*,:before,:after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{-moz-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;scrollbar-gutter:stable;scroll-padding-top:60px}body{color:#1a1a1a;background:#f5f5f5;min-height:100vh;margin:0;padding:0;line-height:1.6;overflow-x:hidden}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}:root{--color-text:#1a1a1a;--color-text-secondary:#666;--color-text-translation:#4a5568;--color-background:#fff;--color-background-hover:#f5f5f5;--color-background-section:#fafafa;--color-border:#e2e8f0;--color-accent:#dc2626;--color-hero-background:linear-gradient(180deg, #dc2626 0%, #b91c1c 40%, #7f1d1d 100%);--color-accent-light:#ebf8ff;--font-main:inherit;--font-cjk:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;--font-size-base:18px;--font-size-small:14px;--font-size-large:22px;--line-height:1.8;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--ease-out-quart:cubic-bezier(.25, 1, .5, 1);--ease-out-quint:cubic-bezier(.22, 1, .36, 1);--header-height:60px;--bottom-nav-height:56px;--shadow-popup:0 4px 12px #00000026;--hero-padding-bottom:700px;--hero-card-margin-bottom:-660px}.page{--font-scale:1;width:100%;max-width:900px;padding:var(--spacing-lg) var(--spacing-xl);padding-top:calc(var(--header-height) + 1em + var(--spacing-lg) + env(safe-area-inset-top,0px));padding-bottom:calc(var(--bottom-nav-height) + 1em + var(--spacing-lg) + env(safe-area-inset-bottom,0px));font-family:inherit;font-size:calc(var(--font-size-base) * var(--font-scale));line-height:var(--line-height);color:var(--color-text);margin:0 auto;position:relative}.reader__controls{align-items:center;gap:var(--spacing-sm);display:flex}.page__toggle-btn{border:1px solid var(--color-border);min-height:44px;color:var(--color-text-secondary);cursor:pointer;background:#f5f5f5;border-radius:3px;justify-content:center;align-items:center;padding:8px 12px;font-size:14px;font-weight:500;transition:background-color .15s,color .15s,border-color .15s,opacity .15s;display:flex}.page__toggle-btn:hover{background:#e5e5e5}.page__toggle-btn--active{background:var(--color-accent);border-color:var(--color-accent);color:#fff}.page__toggle-btn--active:hover{background:#2563eb}.page__lang-btn{color:#fff;cursor:pointer;background:#dc2626;border:1px solid #dc2626;border-radius:3px;justify-content:center;align-items:center;min-height:32px;padding:4px 10px;font-size:14px;font-weight:600;transition:background-color .15s,color .15s,border-color .15s,opacity .15s;display:flex}.page__lang-btn:hover{background:#dc2626}.page__font-controls{border:1px solid var(--color-border);background:#f5f5f5;border-radius:4px;gap:2px;display:flex;overflow:hidden}.page__font-btn{min-height:32px;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:4px 8px;font-size:14px;font-weight:600;transition:background-color .15s,color .15s,border-color .15s,opacity .15s;display:flex}.page__font-btn:hover:not(:disabled){color:var(--color-text);background:#e5e5e5}.page__font-btn:disabled{opacity:.4;cursor:not-allowed}.page__font-btn:focus{outline:none}.page__number-badge{color:#fff;background:#1a1a1a;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:600;display:flex;box-shadow:0 2px 4px #0003}@media (min-width:1200px){.page{max-width:1000px}}@media (min-width:1600px){.page{max-width:1100px}}.page__header{margin-bottom:var(--spacing-xl);padding-bottom:var(--spacing-md);border-bottom:2px solid var(--color-border)}.page__number{font-size:var(--font-size-small);color:var(--color-text-secondary);margin-bottom:var(--spacing-xs);display:block}.page__title{font-size:var(--font-size-large);font-weight:600;font-family:var(--font-cjk);margin:0}.page__content{gap:var(--spacing-xl);flex-direction:column;display:flex}.grammar-table{border:2px solid var(--color-border);margin:var(--spacing-md) 0;border-radius:6px;width:100%}.grammar-table__row{align-items:center;display:grid}.grammar-table__row+.grammar-table__row{border-top:1px solid var(--color-border)}.grammar-table__row--header{border-bottom:2px solid var(--color-border);background:#fff3e0}.grammar-table__cell{padding:var(--spacing-sm) var(--spacing-xs);font-size:calc(var(--font-size-base) * var(--font-scale,1));text-align:center;white-space:pre-line;min-width:0}.grammar-table__cell+.grammar-table__cell{border-left:1px solid var(--color-border)}.grammar-table__cell--header{padding:var(--spacing-md) var(--spacing-sm);text-align:center;flex-direction:column;justify-content:center;align-items:stretch;gap:4px;display:flex}.grammar-table__cell--vocab{cursor:pointer;-webkit-user-select:none;user-select:none;position:relative}.grammar-table__cell--vocab-open{background:#fff8e1}.grammar-table__cell-tooltip{color:#fff;white-space:nowrap;z-index:10;pointer-events:none;background:#333;border-radius:4px;padding:4px 10px;font-size:.8rem;position:absolute;bottom:calc(100% + 4px);left:50%;transform:translate(-50%)}.grammar-table__cell-tooltip:after{content:"";border:5px solid #0000;border-top-color:#333;position:absolute;top:100%;left:50%;transform:translate(-50%)}.grammar-table__cell--phrases{flex-direction:column;align-items:center;gap:4px;padding:6px 8px;display:flex}.grammar-table__cell--italic span{font-style:italic}.grammar-table__phrase{cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:3px;padding:2px 4px;position:relative}.grammar-table__phrase--open{background:#fff8e1}.grammar-table__phrase-plain{padding:2px 4px}.grammar-table__cell-label{font-weight:600;font-size:calc(var(--font-size-base) * var(--font-scale,1))}.grammar-table__cell-sub{font-size:calc(var(--font-size-small) * var(--font-scale,1));color:var(--color-text-secondary)}.bonus__video-wrapper{border:2px solid var(--color-border);background:#1a1a1a;border-top:none;border-radius:0 0 8px 8px;overflow:hidden}.bonus__video{object-fit:contain;background:#1a1a1a;width:100%;max-height:400px;display:block}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.page__audio-fab{background:var(--color-accent,#3182ce);color:#fff;cursor:pointer;z-index:80;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;transition:background-color .2s,transform .15s;display:flex;position:fixed;bottom:80px;right:24px;box-shadow:0 4px 12px #00000040}.page__audio-fab:hover{transform:scale(1.08)}.page__audio-fab--playing{background:var(--color-accent)}.page__audio-fab:disabled{opacity:.7;cursor:not-allowed}.page__audio-fab-spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:.8s linear infinite spin}@media (max-width:600px){:root{--font-size-base:16px;--font-size-large:20px;--spacing-lg:16px;--spacing-xl:24px;--header-height:52px;--bottom-nav-height:48px}.page{padding:var(--spacing-md);padding-top:calc(var(--header-height) + 1em + var(--spacing-md) + env(safe-area-inset-top,0px));padding-bottom:calc(var(--bottom-nav-height) + 1em + var(--spacing-md) + env(safe-area-inset-bottom,0px))}}.story{max-width:900px;padding:calc(var(--header-height,60px) + 3em + env(safe-area-inset-top,0px)) var(--spacing-xl) calc(56px + env(safe-area-inset-bottom,0px));margin:0 auto}.story--with-audio{padding-bottom:calc(168px + env(safe-area-inset-bottom,0px))}@media (max-width:600px){.story{padding-left:var(--spacing-md);padding-right:var(--spacing-md)}}.story__paragraph{margin-bottom:0}.story__paragraph--dialogue{flex-direction:column;gap:.5em;display:flex}.story__dialogue-line{cursor:pointer;font-size:1.2em;font-family:var(--font-cjk);align-items:flex-start;line-height:2.8;display:flex}.story__speaker{min-width:2.5em;color:var(--color-accent);flex-shrink:0;font-weight:700}.story__speaker:after{content:"："}.story__dialogue-text{flex:1}.story__dialogue-text ruby{ruby-position:over;ruby-align:center;margin:0 .28em}.story__dialogue-text rt{font-family:var(--font-pinyin);color:var(--color-accent);padding-bottom:.15em}.wpreview-ex{font-size:20px;line-height:2.1}.wpreview-ex ruby{ruby-position:over;ruby-align:center;margin:0 .1em}.wpreview-ex rt{font-family:var(--font-pinyin);color:var(--color-accent);padding-bottom:.28em;font-size:.5em;font-weight:400}@media (max-width:600px){.wpreview-ex-dash{display:none}.wpreview-ex-tr{margin-top:2px;display:block}}.wpreview-card{isolation:isolate;position:relative;overflow:hidden}.wpreview-ghost{z-index:-1;font-family:var(--font-cjk);color:#0000000d;pointer-events:none;-webkit-user-select:none;user-select:none;font-size:104px;font-weight:700;line-height:1;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.story__dialogue-line.story__sentence--active .story__dialogue-text,.story__dialogue-line.story__sentence--playing .story__dialogue-text{color:var(--color-accent)}.story__text{font-size:1.2em;font-family:var(--font-cjk);color:var(--color-text);margin:0;line-height:2.8}.story__text ruby{ruby-position:over;ruby-align:center;margin:0 .06em}.story__text rt{font-family:var(--font-pinyin);color:var(--color-accent);-webkit-font-smoothing:antialiased;padding-bottom:.15em;font-size:.55em;font-weight:400}.story__text rp{display:none}.story__sentence{cursor:pointer}.story__sentence--active,.story__sentence--playing{color:var(--color-accent,#4a90e2)}.story__word{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;border-bottom:1px dotted #0003;border-radius:2px;transition:background .15s}.story__word-hint{text-align:center;color:#92400e;cursor:pointer;background:#fef3c7;padding:8px 16px;font-size:.85rem}.story__word--active{background:#3182ce26}.story__translation-panel{top:calc(var(--header-height,60px) + env(safe-area-inset-top,0px));z-index:99;background:var(--color-surface,#fff);border-bottom:1px solid var(--color-border,#e0e0e0);padding:var(--spacing-sm) var(--spacing-xl);position:fixed;left:0;right:0;box-shadow:0 2px 8px #0000001f}.story__translation-panel-text{color:var(--color-text-secondary);text-align:center;margin:0;font-size:1.15em;font-style:italic;line-height:1.5}.story__word-hsk{color:var(--color-accent,#3182ce);border:1px solid var(--color-accent,#3182ce);vertical-align:middle;border-radius:3px;margin-left:.5em;padding:.1em .4em;font-size:.75em;font-style:normal;font-weight:600;display:inline-block}.story__play-fab{background:var(--color-accent,#4a90e2);color:#fff;cursor:pointer;z-index:80;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.25rem;transition:background-color .2s,transform .15s;display:flex;position:fixed;bottom:80px;right:24px;box-shadow:0 4px 12px #00000040}@media (max-width:600px){.story__play-fab{bottom:100px}}.story__play-fab:hover{transform:scale(1.08)}.story__play-fab:active{transform:scale(.95)}.story__play-fab--playing{background:var(--color-primary,#dc2626)}.story__play-fab-icon{margin-left:2px;display:block}.story__play-fab-spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.story__audio-bar{bottom:calc(48px + env(safe-area-inset-bottom,0px));z-index:80;-webkit-backdrop-filter:blur(8px);border-top:1px solid var(--color-border,#e0e0e0);background:#fffffff7;padding:12px 24px;position:fixed;left:0;right:0;box-shadow:0 -2px 12px #0000001a}.story__audio-controls{justify-content:center;align-items:center;gap:20px;margin-bottom:8px;display:flex}.story__audio-play{background:var(--color-accent,#4a90e2);color:#fff;cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.2rem;transition:transform .15s;display:flex}.story__audio-play:active{transform:scale(.92)}.story__audio-skip{border:1px solid var(--color-border,#ddd);width:40px;height:40px;color:var(--color-text,#333);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;font-size:.75rem;font-weight:600;transition:background-color .15s;display:flex}.story__audio-skip:active{background:var(--color-border,#eee)}.story__audio-progress-row{align-items:center;gap:8px;display:flex}.story__audio-time{color:var(--color-text-secondary,#888);text-align:center;font-variant-numeric:tabular-nums;min-width:32px;font-size:.75rem}.story__audio-progress{background:var(--color-border,#e0e0e0);cursor:pointer;border-radius:2px;flex:1;height:4px;position:relative}.story__audio-progress-fill{background:var(--color-accent,#4a90e2);border-radius:2px;height:100%;transition:width .1s linear}.dr-hero{text-align:center;z-index:50;background:linear-gradient(#dc2626 0%,#b91c1c 40%,#7f1d1d 100%);flex-direction:column;width:100vw;height:175px;margin-left:calc(50% - 50vw);padding:0;display:flex;position:relative}.dr-hero__watermark{color:#ffffff12;pointer-events:none;-webkit-user-select:none;user-select:none;z-index:0;font-size:160px;font-weight:900;line-height:1;position:absolute;top:46px;right:20px}.dr-hero__top-row{z-index:30;padding-top:17px;padding-bottom:6px;padding-left:var(--spacing-xl);padding-right:var(--spacing-xl);justify-content:space-between;align-items:center;width:100%;max-width:900px;margin:0 auto;display:flex;position:absolute;top:0;left:0;right:0}@media (max-width:600px){.dr-hero{height:auto;padding-bottom:12px}.dr-hero__top-row{max-width:100%;padding-left:var(--spacing-xl);padding-right:var(--spacing-xl);position:static}.dr-hero .dr-hero__body,.dr-hero .dr-hero__watermark{display:none}}.dr-back-btn{color:#fff;cursor:pointer;background:#ffffff26;border:none;border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;padding:0;font-size:22px;line-height:1;text-decoration:none;display:flex}.dr-back-btn:hover{background:#ffffff40}.dr-back-btn:focus-visible{outline-offset:2px;outline:2px solid #fff}.dr-hero__body{min-height:0;padding:0 var(--spacing-xl);flex-direction:column;flex:1;justify-content:center;align-items:center;height:100%;padding-bottom:20px;display:flex}.dr-hero .dr-hero__body{margin-top:0}.home__hero .dr-hero__body{text-align:center;width:100%;margin-top:0}.home__hero--lang .home__hero-inner{position:relative}.home__hero--lang .home__hero-top-row{z-index:2;padding-left:var(--spacing-xl);padding-right:var(--spacing-xl);position:absolute;top:0;left:0;right:0}.home__hero--lang .dr-hero__body{height:100%;padding-bottom:20px}.dr-hero__level{text-transform:uppercase;letter-spacing:2px;color:#fca5a5;margin-bottom:4px;font-size:10px;font-weight:600}.dr-hero__title{color:#fff;margin:0;font-size:36px;font-weight:300;line-height:1.2}.dr-hero__pinyin{color:#fee2e2;margin-top:2px;font-size:16px;font-weight:300}.dr-hero__translation{color:#fca5a5;margin-top:4px;font-size:12px}.dr-tabs{z-index:40;background:linear-gradient(#b91c1c 0%,#991b1b 100%);width:100vw;margin-left:calc(50% - 50vw);position:sticky;top:0}.dr-tabs__inner{gap:4px;max-width:680px;margin:0 auto;padding:8px 16px 10px;display:flex}.dr-tabs__tab{color:#ffffffd1;cursor:pointer;text-align:center;white-space:nowrap;background:0 0;border:none;border-radius:8px;flex:1;padding:7px 4px;font-family:inherit;font-size:.85rem;font-weight:500;transition:background .15s,color .15s}.dr-tabs__tab--active{color:#fff;background:#00000047;font-weight:700}.dialogue-reader{max-width:900px;padding:0 var(--spacing-xl) var(--spacing-lg);margin:0 auto}.story--dialogue-reader{padding-top:0;padding-bottom:calc(var(--bottom-nav-height) + 1em + var(--spacing-lg) + env(safe-area-inset-bottom,0px))}.dr-panel{max-width:680px;margin:0 auto;padding:14px 10px 40px}.dr-empty{text-align:center;color:#6b7177;flex-direction:column;justify-content:center;align-items:center;min-height:40vh;font-size:14px;display:flex}.dr-empty__icon{margin-bottom:8px;font-size:40px}.dr-dict{flex-direction:column;align-items:center;gap:16px;max-width:520px;margin:0 auto;padding:8px 4px 24px;display:flex}.dr-dict--center{text-align:center;justify-content:center;min-height:42vh}.dr-dict__ear{font-size:44px}.dr-dict__heading{color:#1a1a1a;margin:0;font-size:22px;font-weight:800}.dr-dict__intro{color:#777;max-width:320px;margin:0;font-size:14px;line-height:1.5}.dr-dict__score{color:#dc2626;margin:0;font-size:40px;font-weight:800}.dr-dict__btn{cursor:pointer;border:none;border-radius:10px;min-height:48px;padding:12px 28px;font-size:16px;font-weight:700}.dr-dict__btn--primary{color:#fff;background:linear-gradient(#dc2626,#b91c1c)}.dr-dict__progress{color:#6b7177;font-size:13px;font-weight:600}.dr-dict__audio-btn{color:#2563eb;cursor:pointer;background:#eff6ff;border:none;border-radius:999px;align-items:center;gap:8px;min-height:48px;padding:12px 24px;font-size:15px;font-weight:700;display:inline-flex}.dr-dict__spinner{border:2px solid #bfdbfe;border-top-color:#2563eb;border-radius:50%;width:18px;height:18px;animation:.7s linear infinite spin}.dr-dict__answer{background:#fafafa;border:2px dashed #d8d2cb;border-radius:12px;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;width:100%;min-height:60px;padding:12px;display:flex}.dr-dict__answer--wrong{background:#fef2f2;border-style:solid;border-color:#ef4444}.dr-dict__answer--correct,.dr-dict__answer--revealed{background:#f0fdf4;border-style:solid;border-color:#16a34a}.dr-dict__answer-hint{color:#6b7177;font-size:14px}.dr-dict__answer--text{color:#1a1a1a;letter-spacing:.3px;min-height:44px;font-size:23px;font-weight:500}.dr-dict__answer--han{letter-spacing:1px;font-size:28px}.dr-dict__tray{flex-wrap:wrap;justify-content:center;gap:8px;width:100%;display:flex}.dr-dict__tile{color:#1a1a1a;cursor:pointer;background:#fff;border:1px solid #e2ddd6;border-radius:10px;min-width:46px;height:50px;padding:0 8px;font-size:24px;line-height:1;box-shadow:0 1px 2px #0000000f}.dr-dict__tile--placed{background:#fff;border-color:#dc2626}.dr-dict__tile:disabled{cursor:default;opacity:.9}.dr-dict__tile--py{width:auto;min-width:52px;height:58px;padding:0 18px;font-size:21px;font-weight:500}.dr-dict__tile.dr-dict__tile--used{opacity:.3;background:#f1f3f5;border-color:#ececef}.dr-dict__tile--back{color:#6b7177;min-width:88px}.dr-dict__feedback{text-align:center;font-size:14px;font-weight:600}.dr-dict__feedback--wrong{color:#dc2626}.dr-dict__diff-missing{opacity:.55}.dr-dict__audio-error{color:#dc2626;background:#fef2f2;border:1px solid #fca5a5;border-radius:12px;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-top:8px;padding:8px 14px;font-size:13px;font-weight:600;display:inline-flex}.dr-dict__audio-retry{color:#dc2626;cursor:pointer;background:#fff;border:1px solid #dc2626;border-radius:999px;min-height:32px;padding:6px 14px;font-family:inherit;font-size:13px;font-weight:700}.dr-dict__type{flex-direction:column;gap:10px;width:100%;max-width:460px;display:flex}.dr-dict__input{text-align:center;color:#1a1a1a;resize:none;overflow-wrap:anywhere;white-space:pre-wrap;background:#fff;border:2px solid #d7dbe0;border-radius:10px;outline:none;width:100%;min-height:88px;padding:12px 14px;font-family:inherit;font-size:22px;line-height:1.6;display:block}.dr-dict__input:focus{border-color:var(--color-accent,#dc2626)}.dr-dict__input--wrong{background:#fef2f2;border-color:#ef4444}.dr-dict__input--correct,.dr-dict__input--revealed{background:#f0fdf4;border-color:#16a34a}.dr-dict__check{align-self:center;min-width:140px}.dr-dict__check:disabled{opacity:.5;cursor:default}.dr-dict__diff{flex-wrap:wrap;justify-content:center;gap:2px;margin-bottom:6px;font-size:24px;display:flex}.dr-dict__diff-ok{color:#16a34a}.dr-dict__diff-bad{color:#dc2626;-webkit-text-decoration:underline wavy;text-decoration:underline wavy}.dr-dict__mode-toggle{color:var(--color-accent,#dc2626)}.dr-dict__link{color:#6b7177;cursor:pointer;background:0 0;border:none;padding:4px;font-size:13px;text-decoration:underline}.dr-dict__reveal{text-align:center;background:#fff;border:1px solid #eee;border-radius:12px;flex-direction:column;align-items:center;gap:6px;width:100%;padding:16px;display:flex;box-shadow:0 2px 8px #0000000d}.dr-dict__reveal-badge{font-size:14px;font-weight:800}.dr-dict__reveal-badge--correct{color:#16a34a}.dr-dict__reveal-badge--revealed{color:#6b7177}.dr-dict__reveal-zh{color:#1a1a1a;font-size:22px}.dr-dict__reveal-py{color:#2563eb;font-size:14px;font-style:italic}.dr-dict__reveal-tr{color:#777;margin-bottom:6px;font-size:14px}.dr-card{background:#fff;border:1px solid #e0e0e6;border-radius:3px;margin-bottom:10px;padding:14px;box-shadow:0 1px 4px #0000000d}.dr-label{text-transform:uppercase;letter-spacing:2px;color:#dc2626;margin-bottom:10px;font-size:10px;font-weight:700}.dr-hint{color:#6b7177;text-align:center;margin-top:6px;font-size:10px}.dr-dialog-body{width:fit-content;min-width:300px;max-width:90vw;margin:0 auto;padding:14px 16px 24px}.dr-dialog-body--with-audio{padding-bottom:48px}@media (max-width:600px){.dr-dialog-body{width:auto;min-width:0;max-width:none;margin-left:calc(-1 * var(--spacing-xl));margin-right:calc(-1 * var(--spacing-xl));padding-left:12px;padding-right:12px}}.dr-lines{flex-direction:column;display:flex}.dr-line{cursor:pointer;border-left:3px solid var(--dr-speaker,#378add);background:#fff;border-radius:0 8px 8px 0;flex-direction:column;align-items:flex-start;gap:0;margin-bottom:14px;padding:8px 12px;display:flex;box-shadow:0 1px 3px #00000012}.dr-line--spa{--dr-speaker:#dc2626}.dr-line--spb{--dr-speaker:#378add}.dr-line--spc{--dr-speaker:#ef9f27}.dr-line--spd{--dr-speaker:#2f9e6b}.dr-line-main{align-items:flex-start;gap:10px;display:flex}.dr-line-chars{flex-wrap:wrap;align-items:flex-end;gap:.3em .18em;padding-top:.07em;padding-bottom:.225em;display:flex}.dr-line-chars:not(:has(.dr-char-py)){column-gap:0}.dr-char{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;touch-action:manipulation;flex-direction:column;align-items:center;display:inline-flex;position:relative}.dr-sentence-play{width:100%;height:100%;color:var(--color-accent,#dc2626);opacity:0;pointer-events:none;background:0 0;border:0;border-radius:3px;padding:0;position:absolute;top:0;left:0}.dr-sentence-play:focus-visible{opacity:1;z-index:1}.dr-sentence-play[data-focus-fragments]:focus-visible{outline:none!important}.dr-sentence-focus{pointer-events:none;outline:2px solid var(--color-accent,#dc2626);outline-offset:2px;border-radius:3px;position:absolute}.dr-char-py{color:#dc2626;white-space:nowrap;margin-bottom:.3em;font-size:.69em;line-height:1}.dr-char-py--empty{visibility:hidden}.dr-char-py--tone{display:inline-block;transform:scale(2.3)translateY(.27em)}.dr-char-py--tone-wide{align-self:flex-start}.dr-trbar__on{text-underline-offset:3px;text-decoration-skip-ink:none;text-decoration:underline;text-decoration-thickness:2px}.dr-char--active .dr-char-zh{color:#dc2626}.dr-char-zh{color:#1a1a2e;font-size:1.5em;line-height:1}.dr-word-tooltip{color:#1a1a2e;background:#fff1f2;border:1px solid #fecdd3;border-radius:6px;margin-top:6px;padding:6px 10px 6px 38px;font-size:13px}.dr-sublabel{color:#888;margin-top:-4px;margin-bottom:10px;font-size:13px}.dr-vocab-icon{text-align:center;flex-shrink:0;width:24px;font-size:18px}.dr-vocab-item--nohover{cursor:default}.dr-vocab-item{cursor:pointer;background:#f5f5f8;border:1px solid #0000;border-radius:8px;margin-bottom:5px;padding:10px;transition:border-color .15s,background .15s}.dr-vocab-item--open{background:#fff1f2;border-color:#fca5a5}.dr-vocab-row{align-items:baseline;gap:8px;display:flex}.dr-vocab-zh{color:#1a1a2e;font-size:20px;font-weight:500}.dr-vocab-py{color:#dc2626;font-size:14px}.dr-vocab-tr{color:#888;margin-left:auto;font-size:14px}.dr-vocab-example{border-top:1px solid #e0e0e6;margin-top:8px;padding-top:8px}.dr-vocab-example-zh{color:#1a1a2e;font-size:17px}.dr-vocab-example-py{color:#4338ca;margin-top:1px;font-size:13px}.dr-vocab-example-tr{color:#888;margin-top:1px;font-size:13px}.dr-phrases-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.dr-phrase-card{text-align:center;background:#fff1f2;border:1px solid #fecaca;border-radius:3px;padding:10px 12px}.dr-phrase-zh{color:#1a1a2e;margin-bottom:2px;font-size:18px;font-weight:600}.dr-phrase-py{color:#dc2626;margin-bottom:2px;font-size:11px}.dr-phrase-tr{color:#555;font-size:11px}.dr-tod-row{gap:6px;padding-bottom:4px;display:flex;overflow-x:auto}.dr-tod-item{text-align:center;background:#f5f5f8;border-radius:8px;flex:none;min-width:64px;padding:10px 8px}.dr-tod-icon{margin-bottom:4px;font-size:22px}.dr-tod-zh{color:#1a1a2e;margin-bottom:2px;font-size:16px;font-weight:600}.dr-tod-py{color:#dc2626;margin-bottom:2px;font-size:10px}.dr-tod-tr{color:#555;font-size:10px}.dr-grammar-card{cursor:pointer}.dr-grammar-header{cursor:pointer;align-items:center;gap:8px;margin-bottom:6px;display:flex}.dr-grammar-pattern{color:#dc2626;white-space:nowrap;background:#fee2e2;border-radius:6px;padding:3px 10px;font-size:16px;font-weight:700}.dr-vocab-card-py{color:#6b7177;white-space:nowrap;font-size:13px;font-style:italic}.dr-vocab-dir{background:#f5f5f8;border:1px solid #e0e0e6;border-radius:3px;max-width:460px;margin:0 auto 14px;display:flex;overflow:hidden}.dr-vocab-dir__btn{color:#666;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;flex:1;padding:10px 8px;font-family:inherit;font-size:13px;font-weight:400}.dr-vocab-dir__btn--active{color:#fff;background:#dc2626;font-weight:600}.dr-flips{flex-direction:column;gap:12px;max-width:460px;margin:0 auto;display:flex}.dr-flip{perspective:1000px;cursor:pointer;-webkit-tap-highlight-color:transparent}.dr-flip__inner{min-height:78px;transform-style:preserve-3d;transition:transform .5s;display:grid}.dr-flip--open .dr-flip__inner{transform:rotateY(180deg)}.dr-flip__face{backface-visibility:hidden;background:#fff;border:1px solid #eee;border-radius:12px;flex-direction:column;grid-area:1/1;justify-content:center;align-items:center;gap:2px;padding:14px 16px;display:flex;position:relative;box-shadow:0 2px 8px #0000000d}.dr-flip__back{background:#fff7f7;border-color:#f3d6d6;transform:rotateY(180deg)}.dr-flip__audio{color:#dc2626;cursor:pointer;background:#fef2f2;border:none;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;display:inline-flex;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.dr-flip__audio:after{content:"";border-radius:50%;position:absolute;inset:-5px}.dr-flip__audio[aria-busy=true]{cursor:default}.dr-flip__audio-spinner{border:2px solid #f3c9c9;border-top-color:#dc2626;border-radius:50%;width:16px;height:16px;animation:.7s linear infinite spin}.dr-flip__zh{color:#1a1a2e;font-size:26px;font-weight:600;line-height:1.15}.dr-flip__py{color:#dc2626;font-size:14px;font-style:italic}.dr-flip__meaning{color:#b91c1c;text-align:center;font-size:19px;font-weight:700}.dr-grammar-title{color:#1a1a2e;flex:1;font-size:14px;font-weight:600}.dr-grammar-arrow{color:#ccc;flex-shrink:0;width:16px;height:16px;transition:transform .2s}.dr-grammar-arrow--open{transform:rotate(180deg)}.dr-grammar-expanded{margin-top:10px}.dr-grammar-formula{text-align:center;letter-spacing:1px;color:#dc2626;background:#fff1f2;border-radius:8px;margin-bottom:8px;padding:10px 8px;font-size:17px;font-weight:600}.dr-grammar-tip{color:#555;background:#fef3c7;border:1px solid #fcd34d;border-radius:8px;margin-top:6px;padding:10px;font-size:11px;line-height:1.6}.dr-grammar-desc{color:#555;font-size:14px;line-height:1.7}.dr-grammar-example{background:#f5f5f8;border:1px solid #e5e7eb;border-radius:8px;margin-top:4px;margin-bottom:4px;padding:10px}.dr-quiz-question{border-bottom:1px solid #e0e0e6;margin-bottom:14px;padding-bottom:14px}.dr-quiz-question:last-of-type{border-bottom:none}.dr-quiz-q{color:#1a1a2e;margin-bottom:8px;font-size:13px;font-weight:600;line-height:1.5}.dr-quiz-options{grid-template-columns:1fr 1fr;gap:5px;display:grid}.dr-quiz-option{color:#1a1a2e;cursor:pointer;text-align:center;word-break:break-word;background:#f5f5f8;border:1px solid #e0e0e6;border-radius:8px;padding:9px 6px;font-family:inherit;font-size:13px;line-height:1.4;transition:background .1s,border-color .1s}.dr-quiz-option--selected{background:#fff1f2;border-color:#dc2626}.dr-quiz-option--correct{cursor:default;background:#dcfce7;border-color:#22c55e}.dr-quiz-option--wrong{cursor:default;background:#fee2e2;border-color:#ef4444}.dr-quiz-submit{color:#6b7177;cursor:not-allowed;background:#e0e0e6;border:none;border-radius:8px;width:100%;margin-top:4px;padding:11px;font-family:inherit;font-size:14px;font-weight:600}.dr-quiz-submit--ready{color:#fff;cursor:pointer;background:linear-gradient(135deg,#dc2626,#b91c1c)}.dr-quiz-result{text-align:center;background:#f5f5f8;border:1px solid #e0e0e6;border-radius:10px;margin-top:8px;padding:16px}.dr-quiz-result--perfect{background:#dcfce7;border-color:#22c55e}.dr-quiz-result-emoji{margin-bottom:4px;font-size:28px}.dr-quiz-result-score{color:#1a1a2e;font-size:18px;font-weight:700}.dr-quiz-result-msg{color:#888;margin-top:4px;font-size:12px}.dr-quiz-retry{color:#1a1a2e;cursor:pointer;background:#fff;border:1px solid #e0e0e6;border-radius:6px;margin-top:10px;padding:7px 18px;font-family:inherit;font-size:12px}.story__bottom-bar{z-index:90;-webkit-backdrop-filter:blur(8px);border-top:1px solid var(--color-border,#e0e0e0);padding:8px 24px calc(8px + env(safe-area-inset-bottom,0px));background:#f5f5f5f7;position:fixed;bottom:0;left:0;right:0}.story__bottom-bar-inner{justify-content:center;gap:8px;display:flex}.story--focus{min-height:calc(100vh - var(--header-height,60px) - 120px);justify-content:center;align-items:center;display:flex}.story__focus{align-items:center;gap:var(--spacing-md,16px);flex-direction:column;width:100%;display:flex}@media (min-width:601px){.story__focus{margin-top:120px}}.story__focus-card{cursor:pointer;touch-action:pan-y;-webkit-user-select:none;user-select:none;background:#fff;border:1px solid #eee;border-radius:3px;width:100%;max-width:560px;padding:20px 16px;box-shadow:0 4px 16px #00000014}.story__focus-card:focus-visible{outline:2px solid var(--color-accent,#dc2626);outline-offset:2px}.story__focus-text{text-align:left;flex-direction:column;justify-content:center;align-items:center;min-height:48vh;font-size:1.5em;line-height:2.2;display:flex}.story__focus-line{flex-direction:row;justify-content:center;align-items:flex-start;display:flex}.story__focus-speaker{color:var(--color-accent);flex-shrink:0;align-self:flex-start;margin-top:.4em;margin-right:.3em;font-size:.75em;font-weight:700}.story__focus-counter{color:var(--color-text-secondary,#666);text-align:center;font-size:13px}.story__focus-translation{text-align:center;color:#888;font-size:.95em;line-height:1.5;font-family:var(--font-main), "Noto Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;margin-top:0;padding:0 16px}.dialogue-reader .story__focus-translation{font-size:.75em}.story__focus-nav{justify-content:center;align-items:center;gap:14px;display:flex}.story__focus-arrow{color:var(--color-text-secondary,#666);cursor:pointer;background:0 0;border:0;border-radius:3px;padding:4px;line-height:0;display:none}.story__focus-arrow:hover:not(:disabled){color:var(--color-accent,#dc2626)}.story__focus-arrow:disabled{opacity:.28;cursor:default}.story__focus-arrow:focus-visible{outline:2px solid var(--color-accent,#dc2626);outline-offset:2px}@media (min-width:601px){.story__focus-card{flex-direction:column;width:480px;max-width:480px;height:480px;display:flex}.story__focus-arrow{display:inline-flex}.story__focus-text{flex:1;min-height:0;overflow-y:auto}}.flashcard-page{width:100%;max-width:900px;min-height:100vh;padding:var(--spacing-lg) var(--spacing-xl);padding-top:calc(56px + var(--spacing-lg) + env(safe-area-inset-top,0px));padding-bottom:calc(48px + var(--spacing-lg) + env(safe-area-inset-bottom,0px));margin:0 auto}@media (min-width:1200px){.flashcard-page{max-width:1000px}}@media (min-width:1600px){.flashcard-page{max-width:1100px}}.flashcard-page__logo-header{padding:var(--spacing-md) 0}.flashcard-page__header{margin-bottom:var(--spacing-lg);justify-content:space-between;align-items:center;gap:var(--spacing-md);display:flex}.flashcard-page__back{color:var(--color-accent);font-size:calc(var(--font-size-small) * var(--font-scale,1));flex-shrink:0;text-decoration:none}.flashcard-page__back:hover{text-decoration:underline}.flashcard-page__title{color:var(--color-text);text-align:center;flex:1;margin:0;font-size:1.5rem;font-weight:700}.flashcard-page__controls{align-items:center;gap:var(--spacing-xs);flex-shrink:0;display:flex}.flashcard-page__toggle{border:2px solid var(--color-border);width:36px;height:36px;color:var(--color-text-secondary);cursor:pointer;background:#fff;border-radius:3px;justify-content:center;align-items:center;font-size:.85rem;font-weight:600;transition:background-color .2s,color .2s,border-color .2s,opacity .2s;display:flex}.flashcard-page__toggle--active{border-color:var(--color-accent);color:var(--color-accent);background:#ebf8ff}.flashcard-page__toggle:hover{border-color:var(--color-accent)}.flashcard-page__toggle--dir{white-space:nowrap;width:auto;padding:0 10px;font-size:.75rem}.flashcard__progress{align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-lg);display:flex}.flashcard__progress-text{font-size:calc(var(--font-size-small) * var(--font-scale,1));color:var(--color-accent);min-width:3em;font-weight:600}.flashcard__progress-bar{background:var(--color-border);border-radius:3px;flex:1;height:6px;overflow:hidden}.flashcard__progress-fill{background:var(--color-accent);border-radius:3px;height:100%;transition:width .3s}.flashcard__card-container{perspective:1000px;margin:0 auto var(--spacing-lg);width:100%;max-width:400px}.flashcard__card{aspect-ratio:3/4;cursor:pointer;width:100%;transform-style:preserve-3d;transition:transform .5s;position:relative}.flashcard__card--flipped{transform:rotateY(180deg)}.flashcard__face{backface-visibility:hidden;padding:var(--spacing-xl);border:2px solid var(--color-border);border-radius:3px;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0;overflow-y:auto;box-shadow:0 4px 16px #00000014}.flashcard__face--front{background:#fff;justify-content:space-between}.flashcard__front-content{justify-content:center;align-items:center;gap:var(--spacing-sm);flex-direction:column;flex:1;display:flex}.flashcard__chinese{color:var(--color-text);text-align:center;word-break:break-word;font-size:clamp(2rem,8vw,3rem);font-weight:700;line-height:1.4}.flashcard__audio-btn{border:2px solid var(--color-accent);width:40px;height:40px;color:var(--color-accent);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;transition:background .2s,color .2s;display:flex}.flashcard__audio-btn:hover,.flashcard__audio-btn--playing{background:var(--color-accent);color:#fff}.flashcard__audio-btn--loading{opacity:.6;cursor:wait}.flashcard__audio-fab{background:var(--color-accent,#4a90e2);color:#fff;cursor:pointer;z-index:80;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.25rem;transition:background-color .2s,transform .15s;display:flex;position:fixed;bottom:80px;right:24px;box-shadow:0 4px 12px #00000040}.flashcard__audio-fab:hover{transform:scale(1.08)}.flashcard__audio-fab:active{transform:scale(.95)}.flashcard__audio-fab--playing{background:var(--color-primary,#dc2626)}.flashcard__audio-fab--loading{opacity:.6;cursor:wait}.flashcard__audio-fab-icon{margin-left:2px;display:block}.flashcard__audio-fab-spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}.flashcard__pinyin{color:var(--color-accent);text-align:center;font-size:1.25rem;font-style:italic}.flashcard__tap-hint{font-size:var(--font-size-small);color:var(--color-text-secondary);opacity:.6;padding-bottom:var(--spacing-sm)}.flashcard__face--back{background:#fff;transform:rotateY(180deg)}.flashcard__translation{color:var(--color-text);text-align:center;word-break:break-word;padding:0 var(--spacing-sm);font-size:1.5rem;font-weight:600;line-height:1.15}.flashcard__back-chinese{color:var(--color-text-secondary);margin-top:var(--spacing-md);font-size:1.25rem}.flashcard__back-pinyin{font-size:var(--font-size-small);color:var(--color-accent);margin-top:var(--spacing-xs);font-style:italic}.flashcard__back-translation{color:var(--color-text-secondary);margin-top:var(--spacing-sm);font-size:1rem;font-style:italic}.flashcard__actions{gap:var(--spacing-md);margin-bottom:var(--spacing-lg);justify-content:center;transition:opacity .2s;display:flex}.flashcard__actions--hidden{opacity:0;pointer-events:none}.flashcard__action-btn{max-width:180px;padding:var(--spacing-md) var(--spacing-lg);cursor:pointer;border:2px solid;border-radius:3px;flex:1;font-size:1rem;font-weight:600;transition:background-color .2s,color .2s,border-color .2s,opacity .2s}.flashcard__action-btn--know{color:#16a34a;background:#fff;border-color:#16a34a}.flashcard__action-btn--know:hover{color:#16a34a;background:#f0fdf4}.flashcard__action-btn--unknown{color:#dc2626;background:#fff;border-color:#dc2626}.flashcard__action-btn--unknown:hover{color:#dc2626;background:#fef2f2}.flashcard__complete{align-items:center;gap:var(--spacing-md);padding:var(--spacing-xl);text-align:center;background:#dcfce7;border:2px solid #16a34a;border-radius:3px;flex-direction:column;animation:.3s fadeIn;display:flex}.flashcard__complete-text{color:#16a34a;font-size:1.25rem;font-weight:600}.flashcard__stats{gap:var(--spacing-xl);margin-top:var(--spacing-md);display:flex}.flashcard__stat{align-items:center;gap:var(--spacing-xs);flex-direction:column;display:flex}.flashcard__stat-value{font-size:2rem;font-weight:700}.flashcard__stat-value--known{color:#16a34a}.flashcard__stat-value--unknown{color:#dc2626}.flashcard__stat-label{font-size:var(--font-size-small);color:var(--color-text-secondary)}.flashcard__restart-btns{gap:var(--spacing-md);margin-top:var(--spacing-md);flex-wrap:wrap;justify-content:center;display:flex}.flashcard__restart-btn{padding:var(--spacing-sm) var(--spacing-lg);border:2px solid var(--color-accent);color:var(--color-accent);cursor:pointer;font-weight:600;font-size:calc(var(--font-size-small) * var(--font-scale,1));background:#fff;border-radius:3px;transition:background-color .2s,color .2s,border-color .2s,opacity .2s}.flashcard__restart-btn:hover{background:var(--color-accent);color:#fff}@media (max-width:600px){.flashcard-page{padding:var(--spacing-md);padding-top:calc(56px + var(--spacing-md) + env(safe-area-inset-top,0px));padding-bottom:calc(48px + var(--spacing-md) + env(safe-area-inset-bottom,0px))}.flashcard-page__title{font-size:1.2rem}.flashcard__chinese{font-size:clamp(1.8rem,8vw,2.5rem)}.flashcard__card-container{max-width:320px}.flashcard__action-btn{padding:var(--spacing-sm) var(--spacing-md);font-size:.9rem}}.karaoke{min-height:100vh;color:var(--color-text);max-width:900px;padding:0 var(--spacing-xl) var(--spacing-lg);background:#f5f5f5;flex-direction:column;margin:0 auto;display:flex}.karaoke__lyrics{flex-direction:column;flex:1;gap:20px;padding:48px 0 220px;display:flex;overflow-y:auto}.karaoke__line{text-align:center;color:#0003;cursor:pointer;font-size:1.8em;font-weight:500;line-height:2}.karaoke__line--active{color:#0000008c}.karaoke__line--past{color:#0000001f}.karaoke__char{ruby-align:center;margin:0 .08em}.karaoke__rt{font-family:var(--font-pinyin);color:#0000004d;padding-bottom:.15em;font-size:.5em;font-weight:400}.karaoke__rt--hidden{visibility:hidden}.karaoke__line--active .karaoke__rt{color:#00000073}.karaoke__char--sung,.karaoke__char--sung .karaoke__rt{color:#dc2626}.karaoke__char--singing{color:#f59e0b}.karaoke__char--singing .karaoke__rt{color:#dc2626}.karaoke__controls{-webkit-backdrop-filter:blur(12px);padding:12px var(--spacing-xl) calc(16px + env(safe-area-inset-bottom,0px));z-index:91;background:#fffffff7;border-top:1px solid #00000014;flex-direction:column;align-items:center;gap:4px;display:flex;position:fixed;bottom:0;left:0;right:0}.dialogue-reader .story__bottom-bar{-webkit-backdrop-filter:none;padding:0 0 calc(32px + env(safe-area-inset-bottom,0px));pointer-events:none;background:0 0;border-top:none;justify-content:center;display:flex}.dialogue-reader .story__bottom-bar-inner{pointer-events:auto;white-space:nowrap;background:#fff;border-radius:999px;gap:0;padding:0;display:inline-flex;overflow:hidden;box-shadow:0 4px 20px #00000026}.dialogue-reader .reader__nav-toggle{color:#888;background:0 0;border:none;border-radius:0;min-height:44px;padding:14px 22px;font-size:.85rem}.dialogue-reader .reader__nav-toggle--active{background:var(--color-accent);color:#fff;font-weight:700}.dr-font-controls{z-index:89;box-shadow:none;opacity:.65;background-color:#0000;border-radius:999px;flex-direction:column;gap:0;padding:6px 4px;transition:opacity .25s,background-color .25s,box-shadow .25s;display:flex;position:fixed;top:58%;right:16px;transform:translateY(-50%)}@media (hover:hover){.dr-font-controls:hover{opacity:1;background-color:#fff;box-shadow:0 4px 16px #00000026}}.dr-font-controls--active{opacity:1;background-color:#fff;box-shadow:0 4px 16px #00000026}.dr-font-controls.dr-font-controls--idle{opacity:.65;box-shadow:none;background-color:#0000}.dr-font-divider{background:0 0;height:1px;margin:2px 6px;transition:background .2s}@media (hover:hover){.dr-font-controls:hover .dr-font-divider{background:#e5e5e5}}.dr-font-controls--active .dr-font-divider{background:#e5e5e5}.dr-font-btn{color:#555;cursor:pointer;background:0 0;border:none;border-radius:999px;justify-content:center;align-items:center;width:40px;height:44px;font-size:13px;font-weight:700;display:flex}.karaoke__toggle-row{justify-content:center;gap:8px;margin-bottom:4px;display:flex}.karaoke__toggle{color:#0006;cursor:pointer;background:0 0;border:1px solid #0000001f;border-radius:999px;padding:6px 16px;font-family:inherit;font-size:.8rem;font-weight:500}.karaoke__toggle--active{background:var(--color-accent);border-color:var(--color-accent);color:#fff;font-weight:700}.karaoke .story__translation-panel{z-index:40;width:100vw;margin-bottom:-45px;margin-left:calc(50% - 50vw);position:sticky;top:0}.karaoke__progress{cursor:pointer;touch-action:none;background:0 0;border-radius:2px;width:100%;max-width:500px;height:28px;margin-top:4px;position:relative}.karaoke__progress:before{content:"";background:#0000001a;border-radius:2px;height:4px;position:absolute;top:12px;left:0;right:0}.karaoke__progress-bar{background:#dc2626;border-radius:2px;height:4px;position:absolute;top:12px;left:0}.karaoke__line:focus-visible,.karaoke__progress:focus-visible{outline-offset:3px;outline:2px solid #b91c1c}.karaoke__time{color:#0006;justify-content:space-between;width:100%;max-width:500px;font-size:.75rem;display:flex}.karaoke__playback-row{justify-content:center;align-items:center;gap:24px;display:flex}.karaoke__skip-btn{color:#0006;cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;display:flex;position:relative}.karaoke__skip-btn:active{color:#000000b3}.karaoke__skip-label{color:inherit;margin-top:1px;font-size:8px;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.karaoke__play-btn{color:#fff;cursor:pointer;background:#dc2626;border:none;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;transition:background .15s,transform .1s;display:flex}.karaoke__play-btn:hover{background:#b91c1c}.karaoke__play-btn:active{transform:scale(.95)}.karaoke__play-btn--loading{opacity:.6;cursor:wait}.karaoke__spinner{border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}@media (max-width:600px){.karaoke{padding:0 var(--spacing-xl) var(--spacing-lg)}.karaoke__lyrics{gap:16px}.karaoke__line{font-size:1.4em}.karaoke__controls{padding:4px var(--spacing-md) calc(16px + env(safe-area-inset-bottom,0px))}}:focus-visible{outline-offset:2px;outline:2px solid var(--color-accent,#dc2626)!important}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}@media (prefers-contrast:high){:root{--color-border:#000;--color-text-secondary:#000}}.page__audio-error{bottom:var(--spacing-md);padding:var(--spacing-sm) var(--spacing-md);color:#991b1b;font-size:var(--font-size-small);box-shadow:var(--shadow-popup);z-index:1000;background:#fee2e2;border:1px solid #fecaca;border-radius:4px;animation:.2s fadeInToast;position:fixed;left:50%;transform:translate(-50%)}.page__translation-panel{top:calc(var(--header-height,60px) + env(safe-area-inset-top,0px));z-index:99;background:var(--color-surface,#fff);border-bottom:1px solid var(--color-border,#e0e0e0);padding:var(--spacing-sm) var(--spacing-xl);position:fixed;left:0;right:0;box-shadow:0 2px 8px #0000001f}.page__translation-panel-text{color:var(--color-text-secondary);text-align:center;margin:0;font-size:1.1em;font-style:italic;line-height:1.5}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInToast{0%{opacity:0;transform:translate(-50%)translateY(10px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.home{width:100%;max-width:900px;min-height:100vh;padding:0 var(--spacing-xl) var(--spacing-lg);background:#f5f5f5;margin:0 auto;font-family:inherit;position:relative}@media (min-width:1200px){.home{max-width:1000px}}@media (min-width:1600px){.home{max-width:1100px}}.home__hero{background:var(--color-hero-background);color:#fff;text-align:center;z-index:200;border-radius:0;width:100vw;height:175px;margin-bottom:0;padding:0;position:relative;left:50%;transform:translate(-50%)}.home__hero-inner{max-width:900px;padding:0 var(--spacing-xl) 0;text-align:left;flex-direction:column;height:100%;margin:0 auto;display:flex}@media (min-width:1200px){.home__hero-inner{max-width:1000px}}@media (min-width:1600px){.home__hero-inner{max-width:1100px}}.home__hero-top-row{justify-content:space-between;align-items:center;padding-top:10px;padding-bottom:6px;display:flex}.home__hero-logo{display:inline-block}.home__menu{z-index:400;position:relative}.home__menu-btn{color:#fff;cursor:pointer;background:#ffffff26;border:none;border-radius:3px;justify-content:center;align-items:center;width:44px;height:44px;transition:background .15s;display:flex}.home__menu-btn:hover{background:#ffffff4d}.home__menu-dropdown{z-index:300;opacity:0;visibility:hidden;background:#fff;border-radius:3px;min-width:180px;max-width:calc(100vw - 32px);margin-top:4px;transition:opacity .15s,transform .15s,visibility .15s;position:absolute;top:100%;right:0;overflow:hidden;transform:translateY(-8px);box-shadow:0 4px 16px #00000026}.home__menu-dropdown--open{opacity:1;visibility:visible;transform:translateY(0)}.home__menu-user{background:#f9f9f9;align-items:center;gap:10px;padding:12px 16px;display:flex}.home__menu-user-avatar{object-fit:cover;border-radius:50%;flex-shrink:0;width:32px;height:32px}.home__menu-user-name{color:#333;font-size:.9rem;font-weight:600}.home__menu-divider{background:#e5e5e5;height:1px}.home__menu-section-label{color:#6b7177;text-transform:uppercase;letter-spacing:.5px;padding:8px 16px 4px;font-size:.75rem;font-weight:600}.home__menu-lang-row{gap:6px;padding:6px 16px 10px;display:flex}.home__menu-lang-btn{color:#555;cursor:pointer;text-align:center;background:#fff;border:1px solid #e0e0e0;border-radius:3px;flex:1;justify-content:center;align-items:center;min-height:44px;padding:6px 10px;font-size:.85rem;text-decoration:none;display:flex}.home__menu-lang-btn--active{color:#fff;background:#dc2626;border-color:#dc2626;font-weight:600}.home__menu-trial{color:#666;padding:6px 16px 8px;font-size:.8rem}.home__menu-trial--expired{color:#dc2626;font-weight:600}.home__menu-trial--subscribed{color:#16a34a;font-weight:600}.home__menu-item{color:#333;cursor:pointer;text-align:left;background:0 0;border:none;width:100%;min-height:44px;padding:12px 16px;font-family:inherit;font-size:.9rem;text-decoration:none;display:block}.home__menu-item:hover{background:#f5f5f5}.home__lang-selectors{gap:clamp(24px,5vw,48px);display:flex}.home__lang-selector{flex-direction:column;align-items:flex-start;display:flex;position:relative}.home__lang-selector-label{color:#ffffffb3;font-size:clamp(.65rem,1.2vw,.75rem);font-weight:500}.home__lang-selector-value{color:#fff;font-size:clamp(.8rem,1.5vw,.95rem);font-weight:700}.home__lang-select-btn{color:#fff;cursor:pointer;background:0 0;border:none;min-height:44px;padding:8px 0;font-family:inherit;font-size:clamp(.8rem,1.5vw,.95rem);font-weight:700}.home__lang-dropdown{z-index:100;white-space:nowrap;background:#fff;border-radius:6px;min-width:0;max-width:calc(100vw - 32px);margin-top:4px;position:absolute;top:100%;left:50%;overflow:hidden;transform:translate(-50%);box-shadow:0 4px 16px #00000026}.home__lang-dropdown-item{color:#333;cursor:pointer;text-align:left;background:0 0;border:none;width:100%;min-height:44px;padding:12px 16px;font-family:inherit;font-size:.9rem;display:block}.home__lang-dropdown-item:hover{background:#f5f5f5}.home__lang-dropdown-item--active{color:#dc2626;font-weight:600}.home__hero-logo-img{aspect-ratio:1016.25/560.48;width:auto;height:64px}.home__logo{margin:0 0 var(--spacing-sm) 0;justify-content:center;align-items:center;gap:var(--spacing-sm);font-size:2.5rem;font-weight:700;display:flex}.home__logo-icon{font-size:2rem}.home__logo-img{filter:brightness(0)invert();width:auto;height:68px}.home__tagline{margin:0 0 var(--spacing-xs) 0;opacity:.95;font-size:1.1rem}.home__user-btn{color:#fff;cursor:pointer;background:#fff3;border:1px solid #fff6;border-radius:3px;align-items:center;gap:8px;padding:4px 12px 4px 4px;font-size:.85rem;font-weight:600;transition:background .15s;display:flex}.home__user-btn:hover{background:#ffffff4d}.home__user-avatar{object-fit:cover;border-radius:50%;width:28px;height:28px}.home__user-name{white-space:nowrap}.home__login{margin-top:var(--spacing-md);justify-content:center;display:flex}.home__google-btn{color:#333;cursor:pointer;background:#fff;border:none;border-radius:3px;align-items:center;gap:10px;padding:10px 24px;font-size:.95rem;font-weight:500;transition:box-shadow .2s;display:flex;box-shadow:0 2px 8px #00000026}.home__google-btn:hover{box-shadow:0 4px 12px #00000040}.home__google-icon{flex-shrink:0}.home__subtitle{opacity:.8;margin:0;margin-top:var(--spacing-sm);background:#fff3;border-radius:7px;padding:4px 12px;font-size:.9rem;display:inline-block}.home__content{width:100%;padding-top:var(--spacing-lg)}.home__section-title{margin:0 0 var(--spacing-lg) 0;color:var(--color-text);font-size:1.5rem}.dialogues__search{margin-bottom:var(--spacing-md);align-items:center;display:flex;position:relative}.dialogues__search-icon{color:#6b7177;pointer-events:none;position:absolute;left:14px}.dialogues__search-input{color:#333;background:#fff;border:none;border-radius:3px;outline:none;width:100%;padding:12px 40px 12px 42px;font-family:inherit;font-size:.95rem;box-shadow:0 2px 8px #00000014}.dialogues__search-input::placeholder{color:#6b7177}.dialogues__search-input:focus{outline:none;box-shadow:0 2px 8px #00000014,0 0 0 3px #dc262624}.dialogues__search-clear{color:#6b7177;cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;width:32px;height:32px;display:flex;position:absolute;right:8px}.dialogues__search-clear:hover{color:#666;background:#f0f0f0}.dialogues__tags{margin-bottom:var(--spacing-md);flex-wrap:wrap;gap:8px;display:flex}.dialogues__tag{color:#666;cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #ddd;border-radius:3px;align-items:center;gap:5px;min-height:36px;padding:6px 14px;font-size:.82rem;display:inline-flex}.dialogues__tag--active{background:var(--color-accent);color:#fff;border-color:var(--color-accent)}.dialogues__empty{text-align:center;color:#6b7177;padding:var(--spacing-xl) 0;font-size:.95rem}.dialogue-card{color:inherit;background:#fff;border-radius:3px;padding:16px 20px;text-decoration:none;display:block;position:relative;overflow:hidden;box-shadow:0 2px 8px #00000014}.dialogue-card__deco{color:#0000000a;pointer-events:none;white-space:nowrap;-webkit-user-select:none;user-select:none;font-size:4.5rem;font-weight:700;line-height:1;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.dialogue-card__thumb{aspect-ratio:16/9;pointer-events:none;margin:-16px -20px 12px;display:block;position:relative;overflow:hidden}.dialogue-card__thumb img{object-fit:cover}.dialogue-card__content{align-items:flex-start;gap:12px;display:flex}.dialogue-card__text{flex:1;min-width:0}.dialogue-card__title{color:#333;align-items:center;gap:8px;margin:0;font-size:1.15rem;font-weight:600;display:flex}.dialogue-card__new{color:#fff;text-transform:uppercase;letter-spacing:.02em;background:#dc2626;border-radius:3px;flex-shrink:0;padding:2px 7px;font-size:.65rem;font-weight:600}.dialogue-card__pinyin{color:var(--color-accent);font-size:.85rem;font-family:var(--font-pinyin);margin:2px 0 0}.dialogue-card__translation{color:#888;margin:4px 0 0;font-size:.85rem}.dialogue-card__bookmark{cursor:pointer;color:#ccc;background:0 0;border:none;flex-shrink:0;margin-top:2px;padding:4px}.dialogue-card__bookmark--active{color:var(--color-accent)}.dialogue-card__tag{color:#6b7177;background:#f0f0f0;border-radius:3px;margin-top:8px;padding:2px 10px;font-size:.72rem;display:inline-block}.home__lessons{gap:var(--spacing-md);flex-direction:column;display:flex}.home__flashcards-link{align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);margin-top:var(--spacing-lg);color:#fff;background:linear-gradient(135deg,#3182ce 0%,#2563eb 100%);border-radius:3px;text-decoration:none;transition:background-color .2s,color .2s,border-color .2s,opacity .2s;display:flex;box-shadow:0 2px 8px #3182ce4d}.home__flashcards-link:hover{transform:translateY(-2px);box-shadow:0 4px 16px #3182ce66}.home__flashcards-icon{flex-shrink:0;font-size:1.75rem}.home__flashcards-text{flex-direction:column;flex:1;display:flex}.home__flashcards-title{font-size:1.1rem;font-weight:600}.home__flashcards-desc{opacity:.9;margin-top:2px;font-size:.85rem}.home__flashcards-arrow{flex-shrink:0;font-size:1.25rem;transition:transform .15s}.home__flashcards-link:hover .home__flashcards-arrow{transform:translate(4px)}.home__stats{justify-content:center;gap:var(--spacing-xl);margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--color-border);display:flex}.home__stat{flex-direction:column;align-items:center;gap:4px;display:flex}.home__stat-value{color:var(--color-accent);font-size:1.75rem;font-weight:700}.home__stat-label{color:var(--color-text-secondary);font-size:.85rem}.home__empty{max-width:400px;margin:var(--spacing-xl) auto;padding:var(--spacing-xl);text-align:center;background:#fff;border-radius:8px;box-shadow:0 2px 8px #00000014}.home__empty-icon{margin-bottom:var(--spacing-md);font-size:3rem}.home__empty code{background:var(--color-border);border-radius:3px;padding:.2em .4em;font-size:.9em}.home__footer{text-align:center;padding:var(--spacing-sm) var(--spacing-lg);padding-bottom:calc(80px + var(--spacing-sm) + env(safe-area-inset-bottom,0px));color:var(--color-text-secondary);font-size:.85rem}.home__footer p{margin:0}.home__footer-nav{flex-wrap:wrap;justify-content:center;gap:6px 14px;margin-bottom:8px;display:flex}.home__footer-nav-link{color:#888;font-size:.82rem;text-decoration:none}.home__footer-nav-link:hover{color:#555;text-decoration:underline}.home__back-link{color:#fffc;font-size:.9rem;text-decoration:none;transition:color .15s}.home__back-link:hover{color:#fff}.home__hero-top{margin-bottom:var(--spacing-sm);justify-content:space-between;align-items:center;display:flex}.home__lang-btn{color:#fff;cursor:pointer;background:#fff3;border:1px solid #fff6;border-radius:3px;padding:4px 12px;font-size:.85rem;font-weight:600;transition:background .15s}.home__lang-btn:hover{background:#ffffff4d}.home__languages{gap:var(--spacing-xl);flex-direction:column;display:flex}.language-group{background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 8px #00000014}.language-group__header{align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);background:var(--color-background-section);border-bottom:1px solid var(--color-border);display:flex}.language-group__flag{font-size:2rem}.language-group__title{flex-direction:column;display:flex}.language-group__name{color:var(--color-text);margin:0;font-size:1.25rem;font-weight:600}.language-group__original{color:var(--color-text-secondary);font-size:.9rem}.language-group__books{flex-direction:column;display:flex}.book-card{padding:var(--spacing-md) var(--spacing-lg);color:inherit;border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;text-decoration:none;transition:background .15s;display:flex}.book-card:last-child{border-bottom:none}.book-card:hover{background:var(--color-background-hover)}.book-card__content{flex:1}.book-card__title{color:var(--color-accent);margin:0 0 4px;font-size:1.1rem;font-weight:600}.book-card__subtitle{color:var(--color-text);margin:0 0 4px;font-size:.9rem;font-weight:500}.book-card__description{color:var(--color-text-secondary);margin:0;font-size:.85rem}.book-card__arrow{color:var(--color-text-secondary);font-size:1.25rem;transition:transform .15s,color .15s}.book-card:hover .book-card__arrow{color:var(--color-accent);transform:translate(4px)}.language-group--link{color:inherit;cursor:pointer;padding:var(--spacing-md) var(--spacing-lg);justify-content:space-between;align-items:center;text-decoration:none;transition:background-color .2s,color .2s,border-color .2s,opacity .2s;display:flex}.language-group--link:hover{transform:translateY(-2px);box-shadow:0 4px 16px #0000001f}.language-group--link .language-group__header{background:0 0;border-bottom:none;padding:0}.language-group__arrow{color:var(--color-text-secondary);flex-shrink:0;font-size:1.25rem;transition:transform .15s,color .15s}.language-group--link:hover .language-group__arrow{color:var(--color-accent);transform:translate(4px)}.lang-page__tabs{-webkit-overflow-scrolling:touch;scrollbar-width:none;z-index:1;border-bottom:none;justify-content:flex-start;gap:4px;margin-top:auto;margin-bottom:0;display:flex;position:relative;overflow-x:auto}.lang-page__tabs::-webkit-scrollbar{display:none}.lang-page__tab{color:#fff;cursor:pointer;white-space:nowrap;-webkit-tap-highlight-color:transparent;background:#ffffff59;border:none;border-radius:3px 3px 0 0;outline:none;flex-shrink:0;align-items:center;gap:6px;padding:clamp(7px,1.4vw,10px) clamp(10px,2vw,18px);font-family:inherit;font-size:clamp(14px,1.5vw,15px);font-weight:500;text-decoration:none;display:flex}.lang-page__tab--active{color:#dc2626;background:#f5f5f5;margin-bottom:-2px;text-decoration:none}.lang-page__tab--disabled{opacity:.5;cursor:default}.lang-page__tab-icon{font-size:1rem}.lang-page__books{grid-template-columns:repeat(auto-fill,minmax(clamp(140px,25vw,220px),1fr));gap:clamp(8px,1.5vw,16px);display:grid}.lang-page__book-card{color:inherit;background:#fff;border-radius:3px;flex-direction:column;align-items:center;padding:clamp(16px,3vw,32px) clamp(12px,2.5vw,24px);text-decoration:none;transition:background-color .2s,color .2s,border-color .2s,opacity .2s;display:flex;position:relative;box-shadow:0 2px 8px #00000014}.lang-page__book-card:hover:not(.lang-page__book-card--disabled){transform:translateY(-2px);box-shadow:0 4px 16px #0000001f}.lang-page__book-card--disabled{opacity:.5;cursor:default}.lang-page__book-level{color:#dc2626;font-size:clamp(1.8rem,4vw,2.5rem);font-weight:700;line-height:1}.lang-page__book-level-label{color:inherit;font-size:1em;font-weight:700}.lang-page__book-card--disabled .lang-page__book-level{color:var(--color-text-secondary)}.lang-page__book-title{margin-top:var(--spacing-sm);color:var(--color-text);font-size:clamp(.9rem,1.8vw,1.1rem);font-weight:600}.lang-page__book-pinyin{color:var(--color-accent);font-size:clamp(.75rem,1.5vw,.9rem);font-style:italic}.lang-page__book-subtitle{color:var(--color-text-secondary);margin-top:var(--spacing-xs);font-size:clamp(.7rem,1.4vw,.85rem)}.lang-page__coming-soon{top:var(--spacing-sm);right:var(--spacing-sm);color:#fff;background:#f59e0b;border-radius:3px;padding:2px 10px;font-size:.75rem;font-weight:600;position:absolute}.lang-page__placeholder{padding:calc(var(--spacing-xl) * 2);min-height:200px;color:var(--color-text-secondary);flex-direction:column;justify-content:center;align-items:center;display:flex}.lang-page__placeholder-icon{margin-bottom:var(--spacing-md);font-size:3rem}.lang-page__placeholder-text{margin:0;font-size:1.1rem;font-style:italic}.lp__tabs{z-index:20;background:linear-gradient(#b91c1c 0%,#991b1b 100%);width:100vw;margin-left:calc(50% - 50vw);position:sticky;top:0}.lp__tabs-inner{gap:4px;max-width:900px;margin:0 auto;padding:8px 16px 10px;display:flex}.lp__tab{color:#ffffffd1;cursor:pointer;text-align:center;white-space:nowrap;background:0 0;border:none;border-radius:3px;flex:1;padding:7px 4px;font-family:inherit;font-size:.85rem;font-weight:500;transition:background .15s,color .15s}.lp__tab--active{color:#fff;background:#00000047;font-weight:700}.lp__tab-icon{display:none}.lp__tab-icon svg{display:block}.lp__tabs-menu,.lp__footer-logo{display:none}@media (max-width:600px){.home__hero.home__hero--lang{height:auto;padding-bottom:4px}.home__hero--lang .home__hero-inner{height:auto;padding-left:0;padding-right:0}.home__hero--lang .home__hero-top-row{position:relative}.home__hero--lang .dr-hero__body,.home__hero--lang .lp__hero-watermark{display:none}.home__hero--lang .lp__hero-mobile-title{color:#fff;letter-spacing:.04em;white-space:nowrap;pointer-events:none;font-size:1.35rem;font-weight:700;display:block;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.lp__tab{justify-content:center;align-items:center;min-height:46px;display:flex}.lp__tab-icon{justify-content:center;align-items:center;display:flex}.lp__tab-icon svg{width:22px;height:22px}.lp__tab-label,.lp__tab--active .lp__tab-icon{display:none}.lp__tab--active .lp__tab-label{display:inline}}.lp__hero-mobile-title{display:none}.lp__hero-watermark{color:#ffffff12;pointer-events:none;-webkit-user-select:none;user-select:none;z-index:0;font-size:160px;font-weight:900;line-height:1;position:absolute;top:46px;right:20px}.lp__hsk-pills{flex-wrap:wrap;flex:1;gap:6px;display:flex}.lp__hsk-pill{color:#6b7177;cursor:default;white-space:nowrap;text-align:center;background:#fff;border:1.5px solid #e0e0e0;border-radius:3px;flex:1;padding:6px 12px;font-family:inherit;font-size:.82rem;font-weight:500;text-decoration:none;display:block}.lp__hsk-pill--active{color:#fff;background:#dc2626;border-color:#dc2626;font-weight:700}.lp__hsk-pill--disabled{opacity:.5}.lp__hsk-pills--grid{flex:unset;grid-template-columns:repeat(3,1fr);width:100%;display:grid}.lp__hsk-pills--pair{flex:unset;grid-template-columns:repeat(2,1fr);gap:8px;width:100%;display:grid}.lp__hsk-pills--levels{flex-wrap:wrap;flex:unset;gap:6px;width:100%;display:flex}.lp__hsk-pills--levels .lp__hsk-pill{flex:0 auto}.lp__seg-bar--col{flex-direction:column;align-items:stretch}.lp__hsk-pill--full{flex:unset;width:100%}.lp__seg-bar{padding:8px var(--spacing-xl);z-index:10;margin-left:calc(-1 * var(--spacing-xl));margin-right:calc(-1 * var(--spacing-xl));background:#f5f5f5;align-items:center;gap:10px;display:flex;position:sticky;top:0}.lp__seg-track{background:#e0e0e0;border-radius:10px;flex:1;gap:2px;padding:3px;display:flex}.lp__seg-dropdown{flex:1;position:relative}.lp__seg-dropdown-btn{color:#111;cursor:default;background:#fff;border:1.5px solid #e0e0e0;border-radius:3px;align-items:center;gap:6px;width:100%;padding:7px 14px;font-family:inherit;font-size:.85rem;font-weight:700;display:flex}.lp__seg-dropdown-menu{z-index:100;background:#fff;border:1.5px solid #e0e0e0;border-radius:10px;position:absolute;top:calc(100% + 4px);left:0;right:0;overflow:hidden;box-shadow:0 4px 16px #0000001a}.lp__seg-dropdown-item{color:#111;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;font-size:.85rem;font-weight:500;display:flex}.lp__seg-dropdown-item--active{color:#dc2626;background:#fef2f2;font-weight:700}.lp__seg-dropdown-item--disabled{color:#6b7177}.lp__seg-btn{color:#6b7177;cursor:pointer;background:0 0;border:none;border-radius:3px;flex:1;padding:8px 4px;font-family:inherit;font-size:.82rem;font-weight:500;line-height:1;transition:background .15s,box-shadow .15s,color .15s}.lp__seg-btn--active{color:#111;background:#fff;font-weight:700;box-shadow:0 1px 4px #00000024}.lp__seg-btn--disabled{color:#888;cursor:default;flex-direction:column;align-items:center;gap:1px;display:flex}.lp__seg-soon{color:#888;text-transform:lowercase;font-size:.6rem;font-weight:500;line-height:1}.lp__seg-count{color:#6b7177;white-space:nowrap;text-align:right;flex-shrink:0;min-width:28px;font-size:.72rem}.lp__list{flex-direction:column;gap:6px;padding:12px 0 32px;display:flex}.lp__card{color:inherit;background:#fff;border:1px solid #e8e8ed;border-radius:3px;align-items:center;gap:12px;padding:12px 14px;text-decoration:none;transition:box-shadow .15s;display:flex;position:relative;overflow:hidden;box-shadow:0 2px 8px #00000014}.lp__card-deco{color:#0000000a;pointer-events:none;white-space:nowrap;-webkit-user-select:none;user-select:none;font-size:4.5rem;font-weight:700;line-height:1;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.lp__card:hover{box-shadow:0 4px 14px #0000001f}.lp__card-main{flex:1;min-width:0}.lp__card-title{color:#333;text-overflow:ellipsis;white-space:nowrap;font-size:1.15rem;font-weight:600;line-height:1.3;overflow:hidden}.lp__card-pinyin{color:var(--color-accent);font-size:.85rem;font-family:var(--font-pinyin);text-overflow:ellipsis;white-space:nowrap;margin-top:2px;overflow:hidden}.lp__card-sub{color:#888;text-overflow:ellipsis;white-space:nowrap;margin-top:4px;font-size:.85rem;overflow:hidden}.lp__card-arrow{color:#ccc;flex-shrink:0;font-size:1.2rem}.grammar-card{color:inherit;background:#fff;border-radius:3px;margin-bottom:12px;padding:16px 20px;text-decoration:none;display:block;position:relative;overflow:hidden;box-shadow:0 2px 8px #00000014}.grammar-card__bg{color:#0000000d;pointer-events:none;-webkit-user-select:none;user-select:none;font-size:6rem;font-weight:700;line-height:1;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.grammar-card__top{align-items:center;gap:12px;margin-bottom:6px;display:flex}.grammar-card__icon{color:#fff;border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.4rem;font-weight:700;display:flex;overflow:hidden}.grammar-card__title{color:#333;flex:1;margin:0;font-size:1.1rem;font-weight:700}.grammar-card__badge{color:#b45309;text-transform:uppercase;letter-spacing:.05em;background:#fef3c7;border-radius:3px;flex-shrink:0;padding:3px 8px;font-size:.68rem;font-weight:700}.grammar-card__translation{color:#888;margin:0;font-size:.88rem}.grammar-page{max-width:900px;min-height:100vh;padding:0 var(--spacing-xl) var(--spacing-lg);background:#f5f5f5;margin:0 auto}.grammar-page__hero{z-index:50;background:linear-gradient(#dc2626 0%,#b91c1c 40%,#7f1d1d 100%);width:100vw;min-height:165px;margin-left:calc(50% - 50vw);padding:0 0 24px;position:relative}.grammar-page__hero-body{text-align:center;margin-top:-22px;padding:0 16px}.grammar-page__hero-bg{color:#ffffff12;pointer-events:none;-webkit-user-select:none;user-select:none;font-size:140px;font-weight:900;line-height:1;position:absolute;top:-20px;right:-10px}.grammar-page__hero-label{text-transform:uppercase;letter-spacing:2px;color:#fca5a5;margin-bottom:6px;font-size:10px;font-weight:600}.grammar-page__hero-char{color:#fff;font-size:36px;font-weight:300;line-height:1.2}.grammar-page__hero-pinyin{color:#fee2e2;margin-top:2px;font-size:16px;font-weight:300}.grammar-page__hero-meaning{color:#fca5a5;margin-top:4px;font-size:12px}.grammar-page__tabs{z-index:40;background:linear-gradient(#b91c1c 0%,#991b1b 100%);gap:4px;width:100vw;margin-left:calc(50% - 50vw);padding:8px 16px 10px;display:flex;position:sticky;top:0}.grammar-page__tab{color:#ffffffa6;cursor:pointer;text-align:center;white-space:nowrap;background:0 0;border:none;border-radius:8px;flex:1;padding:7px 4px;font-family:inherit;font-size:.85rem;font-weight:500;transition:background .15s,color .15s}.grammar-page__tab--active{color:#fff;background:#00000047;font-weight:700}.grammar-page__content{padding:16px 0 40px}.grammar-page__hero--green{background:linear-gradient(#059669 0%,#047857 40%,#065f46 100%)}.grammar-page__tabs--green{background:#065f46}.grammar-block__label--green{color:#059669}.grammar-block__big-char--green{color:#059669;-webkit-text-fill-color:currentColor;background:0 0}.grammar-block__highlight--green{color:#059669;font-weight:700}.grammar-block{background:#fff;border-radius:12px;margin-bottom:12px;padding:16px 20px;box-shadow:0 2px 8px #00000014}.grammar-block--tip{background:#fef2f2;border:1px solid #fbd5d5}.grammar-block--warning{background:#fff7ed;border:1px solid #fed7aa}.grammar-block__label{text-transform:uppercase;letter-spacing:2px;color:#dc2626;margin-bottom:12px;font-size:10px;font-weight:700}.grammar-block__char-row{align-items:center;gap:16px;display:flex}.grammar-block__big-char{color:#dc2626;flex-shrink:0;font-size:64px;font-weight:300;line-height:1}.grammar-block__char-info{flex:1}.grammar-block__info-row{gap:8px;margin-bottom:4px;font-size:12px;display:flex}.grammar-block__info-key{color:#6b7177;min-width:60px}.grammar-block__info-val{color:#1a1a2e;font-weight:600}.grammar-block__tone{color:#b45309;font-size:12px;font-weight:600}.grammar-block__tip-text{color:#555;margin:0 0 10px;font-size:13px;line-height:1.7}.grammar-block__example-center{text-align:center;color:#1a1a2e;margin:8px 0;font-size:20px}.grammar-block__highlight{color:#dc2626;font-weight:700}.grammar-block__tip-note{color:#888;text-align:center;margin:0;font-size:12px}.grammar-block__formula{text-align:center;letter-spacing:4px;background:#f5f5f8;border-radius:8px;padding:14px 10px;font-size:24px}.grammar-block__formula-a{color:#3b82f6;font-weight:700}.grammar-block__formula-b{color:#16a34a;font-weight:700}.grammar-block__formula-verb{color:#dc2626;font-weight:700}.grammar-block__formula-neg{color:#ea580c;font-weight:700}.grammar-block__formula-ma{color:#b45309;font-weight:700}.grammar-block__formula-desc{text-align:center;color:#888;margin:8px 0 0;font-size:12px}.grammar-block__usage-item{background:#f5f5f8;border-radius:8px;margin-bottom:6px;padding:10px 12px}.grammar-block__usage-item--tap{border:none;transition:background .15s}.grammar-block__usage-item--tap:active{background:#eef2ff}.grammar-block__usage-type{color:#dc2626;margin-bottom:4px;font-size:11px;font-weight:600}.grammar-block__usage-zh{color:#1a1a2e;font-size:17px}.grammar-block__usage-py{color:#b45309;margin-top:2px;font-size:12px}.grammar-block__usage-tr{color:#888;margin-top:2px;font-size:12px}.grammar-block__usage-note{color:#0369a1;border-top:1px solid #e5e7eb;margin-top:6px;padding-top:6px;font-size:11px}.grammar-block__example{text-align:left;cursor:pointer;background:#f5f5f8;border:1px solid #0000;border-radius:8px;width:100%;margin-bottom:6px;padding:10px 12px;font-family:inherit;display:block}.grammar-block__example--open{background:#eff6ff;border-color:#93c5fd}.grammar-play-btn{cursor:pointer;-webkit-tap-highlight-color:transparent;z-index:2;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;padding:0;transition:transform .1s,box-shadow .1s;display:flex;position:relative;box-shadow:0 2px 6px #0000001f,0 0 0 1px #0000000a}.grammar-play-btn:active{transform:scale(.92);box-shadow:0 1px 3px #0000001a}.grammar-block__example-zh{color:#1a1a2e;font-size:17px}.grammar-block__example-py{color:#b45309;margin-top:2px;font-size:12px}.grammar-block__example-tr{color:#888;margin-top:2px;font-size:12px}.grammar-block__example-note{color:#0369a1;border-top:1px solid #dbeafe;margin-top:8px;padding-top:8px;font-size:11px;line-height:1.6}.grammar-block__hint{color:#6b7177;text-align:center;margin:6px 0 0;font-size:11px}.grammar-block__tone-change{text-align:center;color:#1a1a2e;margin:8px 0 0;font-size:18px}.grammar-block__tone-new{color:#ea580c;font-weight:700}.grammar-quiz__question{border-bottom:1px solid #f0f0f0;margin-bottom:16px;padding-bottom:16px}.grammar-quiz__question:last-of-type{border-bottom:none}.grammar-quiz__q{color:#1a1a2e;margin:0 0 8px;font-size:13px;font-weight:600;line-height:1.5}.grammar-quiz__options{grid-template-columns:1fr 1fr;gap:6px;display:grid}.grammar-quiz__option{color:#1a1a2e;cursor:pointer;text-align:center;word-break:break-word;background:#f5f5f8;border:1px solid #e0e0e6;border-radius:8px;padding:10px 8px;font-family:inherit;font-size:13px;line-height:1.4}.grammar-quiz__option--selected{background:#eff6ff;border-color:#3b82f6}.grammar-quiz__option--correct{background:#dcfce7;border-color:#22c55e}.grammar-quiz__option--wrong{background:#fee2e2;border-color:#ef4444}.grammar-quiz__submit{color:#6b7177;cursor:not-allowed;background:#e0e0e6;border:none;border-radius:8px;width:100%;margin-top:4px;padding:12px;font-family:inherit;font-size:14px;font-weight:600}.grammar-quiz__submit--ready{color:#fff;cursor:pointer;background:linear-gradient(135deg,#dc2626,#b91c1c)}.grammar-quiz__result{text-align:center;background:#f5f5f8;border:1px solid #e0e0e6;border-radius:10px;margin-top:8px;padding:20px}.grammar-quiz__result--perfect{background:#dcfce7;border-color:#22c55e}.grammar-quiz__result-emoji{margin-bottom:6px;font-size:32px}.grammar-quiz__result-score{color:#1a1a2e;font-size:20px;font-weight:700}.grammar-quiz__result-msg{color:#888;margin-top:4px;font-size:13px}.grammar-quiz__retry{color:#1a1a2e;cursor:pointer;background:#fff;border:1px solid #e0e0e6;border-radius:6px;margin-top:12px;padding:8px 20px;font-family:inherit;font-size:13px}@media (max-width:600px){.lang-page__books{grid-template-columns:1fr}.home{padding:0 var(--spacing-xl) var(--spacing-lg)}.home__hero-inner{padding:0 var(--spacing-xl) 0;max-width:100%}.home__hero-top-row{margin-bottom:0}.home__lang-selectors{gap:16px}.home__hero-logo-img{height:52px}.home__lang-selector-label{font-size:.85rem}.lang-page__tabs{gap:3px}.lang-page__tab{flex:1;justify-content:center;min-height:36px;padding-left:0;padding-right:0;font-size:1rem}.lang-page__book-card{border-radius:6px}}@media (max-width:480px){.home__hero{padding:0}.home__logo{font-size:2rem}.home__logo-img{height:34px}.home__content{padding:var(--spacing-lg) 0}.home__stats{gap:var(--spacing-lg)}.lang-page__tab-icon{font-size:.85rem}.lang-page__books{grid-template-columns:1fr}.lang-page__book-card{padding:var(--spacing-lg) var(--spacing-md)}.lang-page__book-level{font-size:2rem}}.reader{flex-direction:column;min-height:100vh;display:flex}.reader__header{height:calc(var(--header-height) + env(safe-area-inset-top,0px));border-bottom:1px solid var(--color-border);z-index:100;-webkit-backdrop-filter:blur(8px);padding-top:env(safe-area-inset-top,0px);background:#f5f5f5f7;font-family:inherit;position:fixed;top:0;left:0;right:0}.reader__header-inner{height:var(--header-height);max-width:900px;padding:0 var(--spacing-xl);justify-content:space-between;align-items:center;margin:0 auto;display:flex}@media (min-width:1200px){.reader__header-inner{max-width:1000px}}@media (min-width:1600px){.reader__header-inner{max-width:1100px}}.reader__header *{font-family:inherit}.reader__header .home__menu-btn{background:#0000000f}.reader__header .home__menu-btn svg{fill:#333}.reader__header .home__menu-btn:hover{background:#0000001f}.reader__home{color:var(--color-text);align-items:center;font-weight:600;text-decoration:none;display:flex}.reader__home-logo{width:auto;height:64px}.reader__home:hover{opacity:.7}.reader__page-nav{align-items:center;gap:var(--spacing-md);display:flex}.reader__location{font-size:var(--font-size-small);color:var(--color-text-secondary)}.reader__nav-toggles{gap:8px;display:flex}.reader__nav-toggle{min-height:32px;color:var(--color-text-secondary);border:1px solid var(--color-border);cursor:pointer;background:0 0;border-radius:3px;padding:4px 12px;font-size:.85rem;font-weight:500;transition:background-color .15s,color .15s,border-color .15s,opacity .15s}.reader__nav-toggle--active{color:#fff;background:var(--color-accent);border-color:var(--color-accent)}.reader__nav-btn{padding:var(--spacing-sm) .75rem;min-height:44px;font-size:var(--font-size-small);color:var(--color-accent);border:1px solid var(--color-border);border-radius:3px;align-items:center;text-decoration:none;transition:background-color .15s,color .15s,border-color .15s,opacity .15s;display:flex}.reader__nav-btn:hover{background:var(--color-accent-light);border-color:var(--color-accent)}.reader__nav-btn--disabled{color:#ccc;cursor:not-allowed}.reader__nav-btn--disabled:hover{border-color:var(--color-border);background:0 0}.reader__bottom-nav{height:calc(var(--bottom-nav-height) + env(safe-area-inset-bottom,0px));border-top:1px solid var(--color-border);z-index:100;-webkit-backdrop-filter:blur(8px);padding-bottom:env(safe-area-inset-bottom,0px);background:#f5f5f5f7;font-family:inherit;position:fixed;bottom:0;left:0;right:0}.reader__bottom-nav-inner{height:var(--bottom-nav-height);max-width:900px;padding:0 var(--spacing-xl);justify-content:space-between;align-items:center;margin:0 auto;display:flex}@media (min-width:1200px){.reader__bottom-nav-inner{max-width:1000px}}@media (min-width:1600px){.reader__bottom-nav-inner{max-width:1100px}}.reader__bottom-nav .reader__location{text-align:center;flex:1}@media (max-width:600px){.reader__header-inner{height:var(--header-height);gap:var(--spacing-sm);padding:0 var(--spacing-md)}.reader__home{font-size:15px}.reader__controls{gap:6px}.reader__bottom-nav-inner{height:var(--bottom-nav-height);padding:0 var(--spacing-md)}.reader__bottom-nav .reader__nav-btn{padding:6px 10px;font-size:13px}.reader__bottom-nav .reader__location{font-size:12px}}.not-found{max-width:720px;padding:4rem var(--spacing-xl);text-align:center;margin:0 auto;font-family:inherit}.not-found h1{margin:0 0 var(--spacing-md) 0;color:var(--color-text)}.not-found p{margin:0 0 var(--spacing-xl) 0;color:var(--color-text-secondary)}.not-found a{background:var(--color-accent);color:#fff;border-radius:4px;padding:.75rem 1.5rem;text-decoration:none;transition:background .15s;display:inline-block}.not-found a:hover{background:#2c5282}.landing{flex-direction:column;min-height:100vh;display:flex}.landing__nav{z-index:100;background:#fff;border-bottom:1px solid #e5e7eb;position:sticky;top:0}.landing__nav-inner{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:18px 32px;display:flex}.landing__nav-logo{align-items:center;display:flex}.landing__nav-logo-img{width:auto;height:56px}.landing__nav-links{align-items:center;gap:32px;display:flex}.landing__nav-link{color:#4b5563;border-bottom:2px solid #0000;padding:4px 0;font-size:1.1rem;font-weight:500;text-decoration:none;transition:color .15s,border-color .15s}.landing__nav-link:hover{color:#1a1a1a;border-bottom-color:var(--color-accent)}.landing__nav-right{align-items:center;gap:12px;display:flex}.landing__lang-btn{color:#6b7280;cursor:pointer;background:#fff;border:1px solid #d1d5db;border-radius:3px;padding:6px 14px;font-size:.85rem;font-weight:600}.landing__login-btn{border:2px solid var(--color-accent);color:var(--color-accent);cursor:pointer;background:#fff;border-radius:3px;align-items:center;gap:8px;padding:10px 24px;font-size:1.1rem;font-weight:600;transition:background .15s,color .15s;display:flex}.landing__login-btn:hover{background:var(--color-accent);color:#fff}.landing__hamburger{cursor:pointer;color:#1a1a1a;background:0 0;border:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:36px;height:36px;padding:6px;font-size:1.4rem;display:none}.landing__hamburger span{background:#1a1a1a;border-radius:1px;width:100%;height:2px;display:block}.landing__mobile-menu{background:#f8f7f4;border-top:1px solid #e5e7eb;padding:12px 24px;display:none}.landing__mobile-link{color:#1a1a1a;border-bottom:1px solid #e5e7eb;padding:16px 8px;font-size:1.15rem;font-weight:600;text-decoration:none;display:block}.landing__mobile-link:last-child{border-bottom:none}.landing__mobile-link--active{color:var(--color-accent);border-bottom:3px solid var(--color-accent)}.landing__user-btn{cursor:pointer;color:#333;background:#f3f4f6;border:none;border-radius:3px;align-items:center;gap:8px;padding:4px 12px 4px 4px;font-size:.9rem;display:flex}.landing__user-avatar{border-radius:50%;width:28px;height:28px}.landing__user-name{font-weight:500}.landing__hero{text-align:center;padding:80px 24px var(--hero-padding-bottom);background:var(--color-accent);color:#fff;width:100%;max-width:none;margin:0}.landing__hero-title{color:#fff;z-index:2;margin:0 0 16px;font-size:2.4rem;font-weight:800;line-height:1.2;position:relative;transform:translateY(250px)}.landing__hero-subtitle{color:#ffffffd9;margin:0 0 32px;font-size:1.2rem;line-height:1.6}.landing__live-pill{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#fff;z-index:50;background:#000000bf;border-radius:20px;align-items:center;gap:8px;padding:8px 16px;font-size:.85rem;display:flex;position:fixed;bottom:24px;left:24px}.landing__live-dot{background:#22c55e;border-radius:50%;flex-shrink:0;width:8px;height:8px;animation:2s ease-in-out infinite live-pulse}@keyframes live-pulse{0%,to{opacity:1}50%{opacity:.4}}.landing__hero-cta{color:#1a1a1a;cursor:pointer;z-index:2;background:#fff;border:none;border-radius:8px;align-items:center;gap:10px;padding:14px 32px;font-size:1.1rem;font-weight:600;transition:box-shadow .2s;display:inline-flex;position:relative;transform:translateY(250px);box-shadow:0 4px 12px #00000026}.landing__hero-cta:hover{box-shadow:0 6px 16px #0003}.landing__hero-visual{height:200px;margin-top:48px;position:relative}.landing__demo-card{text-align:left;background:#fff;border:1px solid #e5e7eb;border-radius:3px;padding:24px 32px;animation:.6s ease-out both fadeIn;position:absolute;left:50%;transform:translate(-650px)translateY(-100px);box-shadow:0 4px 20px #00000014}.landing__demo-card--second{animation-delay:.15s;transform:translate(-250px)translateY(260px)}.landing__demo-card--third{white-space:nowrap;padding-top:48px;animation-delay:.3s;transform:translate(380px)translateY(-150px)}.landing__demo-highlight{background:var(--color-accent);color:#fff;border-radius:3px;padding:2px 6px;position:relative}.landing__demo-tooltip{color:var(--color-accent);white-space:nowrap;font-size:1rem;font-style:italic;position:absolute;top:-32px;left:50%;transform:translate(-50%)}.landing__demo-tooltip:after{content:"";border-left:6px solid #0000;border-right:6px solid #0000;border-top:6px solid var(--color-accent);width:0;height:0;position:absolute;bottom:-6px;left:50%;transform:translate(-50%)}.landing__demo-line--large{color:#1a1a1a;margin-bottom:0;font-size:1.8rem}.landing__demo-cursor{filter:drop-shadow(0 1px 3px #0000004d);width:36px;height:36px;position:absolute;bottom:-24px;right:-18px}.landing__demo-audio-row{align-items:flex-start;gap:14px;display:flex}.landing__demo-audio-btn{background:var(--color-accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;margin-top:2px;font-size:.9rem;display:flex}.landing__demo-audio-text{flex:1}.landing__demo-waveform{border-top:1px solid #e5e7eb;align-items:center;gap:3px;margin-top:12px;margin-left:50px;padding-top:12px;display:flex}.landing__demo-wave-bar{background:var(--color-accent);opacity:.6;border-radius:2px;width:3px}.landing__demo-line{margin-bottom:6px}.landing__demo-chinese{color:#1a1a1a;font-size:1.5rem;font-weight:500}.landing__demo-line--pinyin{color:var(--color-accent);font-size:1rem;font-style:italic}.landing__demo-line--translation{color:#6b7280;font-size:.95rem;font-style:italic}.landing__showcase{background:#fff;padding:80px 24px 60px}.landing__showcase-content{text-align:center;max-width:900px;margin:0 auto}.landing__showcase-title{color:#1a1a1a;margin:0 0 12px;font-size:2.2rem;font-weight:700}.landing__showcase-subtitle{color:#6b7280;margin:0 0 48px;font-size:1.1rem;line-height:1.5}.landing__showcase-demo{flex-direction:column;align-items:center;display:flex;position:relative}.landing__showcase-card{background:#f5f5f0;border:1px solid #e5e5e0;border-radius:3px;padding:32px 40px;display:inline-block;box-shadow:0 4px 20px #00000014}.landing__showcase-line{color:#1a1a1a;white-space:nowrap;font-size:1.8rem}.landing__showcase-highlight{background:var(--color-accent);color:#fff;border-radius:3px;padding:2px 8px;position:relative}.landing__showcase-tooltip{color:var(--color-accent);white-space:nowrap;font-size:1.1rem;font-style:italic;position:absolute;top:-34px;left:50%;transform:translate(-50%)}.landing__showcase-tooltip:after{content:"";border-left:6px solid #0000;border-right:6px solid #0000;border-top:6px solid var(--color-accent);width:0;height:0;position:absolute;bottom:-6px;left:50%;transform:translate(-50%)}.landing__showcase-cursor{filter:drop-shadow(0 1px 2px #0003);width:28px;height:28px;position:absolute;bottom:-20px;right:-14px}.landing__showcase-arrows{width:600px;height:250px;margin-top:-10px}.landing__showcase-labels{justify-content:space-between;width:600px;margin-top:-20px;display:flex}.landing__showcase-label{color:#333;max-width:200px;font-size:1.2rem;font-weight:700;line-height:1.3}.landing__hero-langs{margin-top:48px;margin-bottom:var(--hero-card-margin-bottom);z-index:1;position:relative;transform:translateY(200px)}.landing__hero-langs-inner{background:#7f1d1d;border-radius:14px;flex-direction:column;align-items:center;gap:20px;padding:32px 48px;display:inline-flex}.landing__hero-langs-row{justify-content:center;gap:36px;display:flex}.landing__hero-lang{flex-direction:column;align-items:center;gap:10px;text-decoration:none;display:flex}.landing__hero-lang-flag{object-fit:cover;border-radius:6px;width:96px!important;height:64px!important}.landing__hero-lang-name{color:#fff;font-size:1rem;font-weight:600}.landing__hero-langs-more{color:#fff;margin:0;font-size:1rem;font-weight:600}.landing__section{box-sizing:border-box;width:100%;max-width:1000px;margin:0 auto;padding:40px 24px}.landing__section--gray{background:#f5f5f5;max-width:none}#how{padding-top:200px}.landing__section--gray .landing__section-title,.landing__section--gray .landing__steps{max-width:1000px;margin-left:auto;margin-right:auto}.landing__section-title{text-align:center;color:#1a1a1a;margin:0 0 40px;font-size:1.8rem;font-weight:700}.landing__languages{flex-wrap:wrap;justify-content:center;gap:16px;display:flex}.landing__lang-card{color:#333;background:#fff;border:1px solid #e5e7eb;border-radius:3px;align-items:center;gap:12px;padding:16px 28px;text-decoration:none;transition:box-shadow .2s,transform .15s;display:flex}.landing__lang-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.landing__lang-flag{font-size:2rem}.landing__lang-name{font-size:1.05rem;font-weight:600}.landing__lang-original{color:#9ca3af;font-size:.9rem}.landing__steps{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.landing__step{text-align:center;background:#fff;border-radius:10px;padding:32px 20px;box-shadow:0 2px 8px #0000000f}.landing__step-icon{margin-bottom:12px;font-size:2.5rem}.landing__step-num{background:var(--color-accent);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:28px;height:28px;margin-bottom:12px;font-size:.85rem;font-weight:700;display:inline-flex}.landing__step-title{color:#1a1a1a;margin:0 0 8px;font-size:1.1rem;font-weight:600}.landing__step-desc{color:#6b7280;margin:0;font-size:.95rem;line-height:1.5}.landing__features{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.landing__feature{text-align:center;background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:24px}.landing__feature-icon{margin-bottom:12px;font-size:2rem}.landing__feature-title{color:#1a1a1a;margin:0 0 8px;font-size:1.05rem;font-weight:600}.landing__feature-desc{color:#6b7280;margin:0;font-size:.9rem;line-height:1.5}.landing__testimonials{gap:16px;max-width:1000px;margin:0 auto;display:flex}.landing__testimonial{background:#fff;border-radius:10px;flex:1;padding:24px;box-shadow:0 1px 3px #0000000f}.landing__testimonial-stars{color:#f59e0b;letter-spacing:2px;margin-bottom:8px;font-size:1.1rem}.landing__testimonial-text{color:#374151;margin:0 0 12px;font-size:1rem;font-style:italic;line-height:1.6}.landing__testimonial-name{color:#6b7280;margin:0;font-size:.9rem;font-weight:600}.landing__cta{text-align:center;color:#fff;background:linear-gradient(#dc2626 0%,#b91c1c 40%,#7f1d1d 100%);padding:60px 24px}.landing__cta-title{margin:0 0 12px;font-size:2rem;font-weight:700}.landing__cta-subtitle{opacity:.9;margin:0 0 28px;font-size:1.1rem}.landing__cta-btn{color:#333;cursor:pointer;background:#fff;border:none;border-radius:3px;align-items:center;gap:10px;padding:14px 32px;font-size:1.1rem;font-weight:600;transition:transform .15s,box-shadow .2s;display:inline-flex;box-shadow:0 4px 12px #00000026}.landing__cta-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px #0003}.landing__footer{text-align:center;color:#9ca3af;background:#1a1a1a;margin-top:auto;padding:32px 24px}.landing__footer-logo{filter:brightness(0)invert();opacity:.7;margin-bottom:12px}.landing__footer-text{margin:0;font-size:.9rem}.landing__footer-links{flex-wrap:wrap;justify-content:center;gap:8px 16px;margin-top:12px;display:flex}.landing__footer-link{color:#9ca3af;font-size:.85rem;text-decoration:none;display:inline-block}.landing__footer-link:hover{color:#fff}@media (max-width:1100px){.landing__hero{--hero-padding-bottom:0px;--hero-card-margin-bottom:0px;margin-bottom:90px}.landing__hero-title{font-size:2.2rem;transform:none}.landing__hero-cta{transform:none}.landing__hero-visual{flex-direction:column;gap:20px;height:auto;margin-top:32px;display:flex}.landing__demo-card,.landing__demo-card--second,.landing__demo-card--third{white-space:normal;padding-top:24px;position:static;left:auto;transform:none}.landing__hero-langs{margin:0 16px;transform:translateY(90px)}.landing__hero-langs-inner{box-sizing:border-box;gap:16px;width:auto;max-width:100%;padding:24px 32px;display:inline-flex}#how{padding-top:100px}}@media (max-width:900px){.landing__nav-links{display:none}.landing__hamburger{display:flex}.landing__mobile-menu{display:block}.landing__login-btn{border-width:1.5px;padding:8px 16px;font-size:.9rem}.landing__lang-btn{padding:5px 10px;font-size:.8rem}}@media (max-width:768px){.landing__nav-logo-img{height:44px}.landing__hero{padding-top:40px!important}.landing__hero-title{font-size:1.8rem}.landing__live-pill{padding:6px 12px;font-size:.8rem;bottom:16px;left:12px}.landing__hero-cta{color:#1a1a1a;box-shadow:none;background:#fff}.landing__hero-cta:hover{box-shadow:none;transform:none}.landing__hero-langs-inner{box-sizing:border-box;max-width:100%;padding:24px 12px}.landing__hero-langs-row{gap:12px}.landing__hero-lang-flag{border-radius:4px;width:80px!important;height:53px!important}.landing__hero-lang-name,.landing__hero-langs-more{font-size:.85rem}.landing__steps,.landing__features{grid-template-columns:1fr;gap:16px}.landing__testimonials{flex-direction:column;max-width:600px}.landing__section{padding:28px 20px}.landing__showcase{padding:48px 20px 40px}.landing__showcase-title{font-size:1.6rem}.landing__showcase-subtitle{margin-bottom:32px;font-size:1rem}.landing__showcase-card{padding:24px 20px}.landing__showcase-line{font-size:1.4rem}.landing__showcase-arrows{display:none}.landing__showcase-labels{flex-direction:column;align-items:center;gap:16px;width:auto;margin-top:32px}.landing__showcase-label{max-width:none;font-size:1rem}.landing__section-title{margin-bottom:24px;font-size:1.4rem}.landing__demo-card{padding:16px 20px}.landing__demo-chinese{font-size:1.2rem}}@media (max-width:480px){.landing__hero-title{font-size:1.5rem}.landing__languages{flex-direction:column;align-items:stretch}.landing__nav-inner{padding:10px 16px}.landing__hero-lang-flag{width:64px!important;height:43px!important}}.loading-spinner{justify-content:center;align-items:center;min-height:60vh;display:flex}.loading-spinner:after{content:"";border:3px solid #e5e5e5;border-top-color:#dc2626;border-radius:50%;width:32px;height:32px;animation:.6s linear infinite spin}.paywall-blur{filter:blur(3px);pointer-events:none;-webkit-user-select:none;user-select:none;max-height:100vh;overflow:hidden}.paywall{z-index:200;background:#00000080;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.paywall__card{text-align:center;background:#fff;border-radius:3px;width:100%;max-width:400px;padding:40px 32px;box-shadow:0 8px 32px #0003}.paywall__title{color:#333;margin:0 0 12px;font-size:1.3rem;font-weight:600}.paywall__text{color:#666;margin:0 0 24px;font-size:.95rem;line-height:1.5}.paywall__btn{color:#fff;cursor:pointer;background:#dc2626;border:none;border-radius:3px;margin-bottom:16px;padding:12px 32px;font-size:1rem;font-weight:600;text-decoration:none;display:inline-block}.paywall__back{color:#888;font-size:.9rem;text-decoration:none;display:block}.payment{max-width:500px;margin:0 auto;padding:0 24px 60px}.payment__header{align-items:center;padding:16px 0;display:flex}.payment__logo{text-decoration:none}.payment__title{color:#222;margin:8px 0 20px;font-size:1.4rem;font-weight:600}.payment__plans{grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:32px;display:grid}.payment__plan{cursor:pointer;background:#fff;border:2px solid #e5e5e5;border-radius:12px;flex-direction:column;align-items:center;gap:4px;padding:16px 12px;transition:border-color .15s;display:flex;position:relative}.payment__plan--selected{background:#fef2f2;border-color:#dc2626}.payment__plan-months{color:#222;font-size:1.1rem;font-weight:600}.payment__plan-price{color:#555;font-size:.95rem}.payment__plan-per-month{color:#888;font-size:.8rem}.payment__plan-badge{color:#fff;background:#dc2626;border-radius:10px;padding:2px 8px;font-size:.7rem;font-weight:600;position:absolute;top:-8px;right:-4px}.payment__section{margin-bottom:28px}.payment__section-title{color:#333;margin:0 0 12px;font-size:1rem;font-weight:600}.payment__card-info{background:#f5f5f5;border-radius:3px;align-items:center;gap:12px;padding:14px 16px;display:flex}.payment__card-number{letter-spacing:2px;color:#222;font-variant-numeric:tabular-nums;font-size:1.2rem;font-weight:600}.payment__copy-btn{cursor:pointer;color:#666;background:#fff;border:1px solid #ddd;border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;display:flex}.payment__card-amount{color:#555;margin:10px 0 0;font-size:.9rem}.payment__upload{cursor:pointer;border:2px dashed #ccc;border-radius:12px;justify-content:center;align-items:center;min-height:140px;transition:border-color .15s;display:flex;overflow:hidden}.payment__upload:hover{border-color:#999}.payment__upload--has-file{border-style:solid;border-color:#ddd;padding:8px}.payment__upload-placeholder{color:#6b7177;flex-direction:column;align-items:center;gap:8px;font-size:.9rem;display:flex}.payment__preview{object-fit:contain;border-radius:8px;max-width:100%;max-height:300px}.payment__file-input{display:none}.payment__remove-file{color:#dc2626;cursor:pointer;background:0 0;border:none;margin:8px 0 0;padding:0;font-size:.85rem;display:block}.payment__error{color:#dc2626;margin:0 0 16px;font-size:.9rem}.payment__submit{color:#fff;cursor:pointer;background:#dc2626;border:none;border-radius:10px;justify-content:center;align-items:center;width:100%;min-height:48px;padding:14px;font-size:1rem;font-weight:600;display:flex}.payment__submit:disabled{opacity:.5;cursor:not-allowed}.payment__spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin}.payment__success{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:60px 0;display:flex}.payment__success-icon{margin-bottom:8px}.payment__success-title{color:#222;margin:0;font-size:1.3rem;font-weight:600}.payment__success-text{color:#666;margin:0;font-size:1rem}.payment__back-btn{color:#888;cursor:pointer;background:0 0;border:none;margin-top:16px;font-family:inherit;font-size:.9rem;text-decoration:none;display:inline-block}.payment__status{text-align:center;flex-direction:column;align-items:center;gap:16px;padding:60px 0;display:flex}.payment__status-icon{margin-bottom:8px}@media (max-width:600px){.payment{padding:0 16px 40px}.payment__card-number{letter-spacing:1px;font-size:1.05rem}}.admin-page{background:#f8f7f4;min-height:100vh;padding:0}.adm{--paper:#f8f7f4;--sheet:#fffefa;--pencil:#e4e2da;--bookmark:#dc2626;--ink:#272922;--ink-line:#2729221a;--canvas:var(--paper);--card:var(--sheet);--line:var(--pencil);--line-soft:#efede6;--text:var(--ink);--muted:#65675f;--faint:#686b61;--red:var(--bookmark);--red-deep:#b91c1c;--green:#267047;--green-bg:#edf5ee;--amber:#8b6017;--amber-bg:#fbf3df;--rose-bg:#fceeed;--disp:"Noto Sans", system-ui, sans-serif;--mono:ui-monospace, "SFMono-Regular", Consolas, monospace;background:var(--canvas);min-height:100dvh;color:var(--text);-webkit-font-smoothing:antialiased;font-family:Noto Sans,system-ui,sans-serif;display:flex}.adm--center{flex-direction:column;justify-content:center;align-items:center;gap:16px}.adm__spinner{border:3px solid var(--line);border-top-color:var(--red);border-radius:50%;width:28px;height:28px;animation:.7s linear infinite adm-spin}@keyframes adm-spin{to{transform:rotate(360deg)}}.adm__loading-text{color:var(--muted);font-size:14px}.adm__retry{background:var(--red);color:#fff;min-height:44px;font:600 14px var(--disp);cursor:pointer;border:0;border-radius:8px;padding:10px 18px}.adm__sidebar{border-right:1px solid var(--line);background:var(--paper);flex-direction:column;flex-shrink:0;align-self:flex-start;width:224px;height:100dvh;padding:32px 16px 20px;display:flex;position:sticky;top:0;overflow-y:auto}.adm__brand{padding:0 16px 36px}.adm__brand-logo{object-fit:contain;object-position:left;width:88px;height:36px;display:block}.adm__brand-eyebrow{color:var(--muted);margin-top:12px;font-size:12px;display:block}.adm__nav{flex-direction:column;gap:28px;display:flex}.adm__nav-group{flex-direction:column;gap:4px;display:flex}.adm__nav-heading{letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:0 14px 8px;font-size:11px;font-weight:600}.adm__nav-item{width:100%;min-height:44px;color:var(--muted);font:500 13px var(--disp);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:8px;align-items:center;gap:10px;padding:10px 14px;transition:background .14s,color .14s;display:flex;position:relative}.adm__nav-item:hover{background:var(--line-soft);color:var(--text)}.adm__nav-item--active,.adm__nav-item--active:hover{color:var(--red-deep);background:#fceeed;font-weight:600}.adm__nav-item--active:before{content:"";background:var(--red);border-radius:2px;width:3px;height:20px;position:absolute;left:0}.adm__nav-ico{flex-shrink:0;width:18px;height:18px;display:inline-flex}.adm__nav-ico svg{width:100%;height:100%}.adm__nav-label{flex:1}.adm__nav-count{font-variant-numeric:tabular-nums;background:var(--line-soft);color:var(--muted);border-radius:5px;padding:2px 6px;font-size:11px;font-weight:600}.adm__nav-item--active .adm__nav-count{color:var(--red-deep);background:#f7d9d5}.adm__sidefoot{align-items:center;gap:10px;margin-top:auto;padding:24px 14px 0;display:flex}.adm__sidefoot-mark{border:1px solid var(--line);width:32px;height:32px;color:var(--red);border-radius:8px;place-items:center;font-size:14px;font-weight:700;display:grid}.adm__sidefoot-txt{font-size:12px;font-weight:600}.adm__sidefoot-txt small{color:var(--muted);margin-top:3px;font-size:11px;font-weight:400;display:block}.adm__main{flex:1;min-width:0;padding:36px clamp(24px,3vw,48px) 64px}.adm__topbar{justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px;display:flex}.adm__head{min-width:0}.adm__eyebrow{color:var(--muted);font-size:12px;font-weight:500}.adm__title{font-family:var(--disp);letter-spacing:-.04em;color:var(--ink);margin:10px 0 0;font-size:clamp(26px,2.6vw,34px);font-weight:650;line-height:1.2}.adm__description{color:var(--muted);margin:10px 0 0;font-size:13px;line-height:1.7}.adm__search{flex-shrink:0;align-items:center;display:flex;position:relative}.adm__search-ico{width:16px;height:16px;color:var(--muted);pointer-events:none;position:absolute;left:12px}.adm__search-input{border:1px solid var(--line);background:var(--sheet);width:280px;font:13px var(--disp);color:var(--text);border-radius:8px;min-height:42px;padding:11px 36px}.adm__search-clear{width:32px;height:32px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;font-size:20px;position:absolute;right:6px}.adm__stats{border:1px solid var(--line);background:var(--sheet);border-radius:12px;grid-template-columns:repeat(4,minmax(0,1fr));margin-bottom:28px;display:grid;overflow:hidden}.adm__stat{border-right:1px solid var(--line-soft);flex-direction:column;gap:8px;padding:22px;display:flex}.adm__stat:last-child{background:var(--amber-bg);border-right:0}.adm__stat-num{font-variant-numeric:tabular-nums;letter-spacing:-.035em;color:var(--ink);font-size:clamp(21px,2.1vw,28px);font-weight:650;line-height:1.25}.adm__stat-label{color:var(--muted);font-size:12px;line-height:1.5}.adm__stat:last-child .adm__stat-label{color:var(--amber)}.adm__grid{grid-template-columns:1fr;gap:0;display:grid}.adm__queue{background:var(--sheet);border:1px solid var(--line);border-radius:12px;overflow:hidden}.adm__queue-head,.adm__card{grid-template-columns:minmax(180px,1.3fr) minmax(145px,.9fr) 72px minmax(246px,1fr);align-items:center;gap:16px;padding:20px;display:grid}.adm__queue-head{color:var(--muted);border-bottom:1px solid var(--line);background:var(--paper);padding-top:13px;padding-bottom:13px;font-size:11px;font-weight:600}.adm__queue-head span:last-child{text-align:right}.adm__card{border-bottom:1px solid var(--line-soft)}.adm__card:last-child{border-bottom:0}.adm__card:hover{background:#faf9f5}.adm__card-top{flex-direction:column;align-items:flex-start;gap:10px;min-width:0;display:flex}.adm__email{overflow-wrap:anywhere;font-size:13px;font-weight:600;line-height:1.6}.adm__who{flex-direction:column;gap:3px;min-width:0;display:flex}.adm__name{font-size:15px;font-weight:600}.adm__handle{color:var(--muted);overflow-wrap:anywhere;font-size:12px}.adm__pill{white-space:nowrap;border-radius:5px;flex-shrink:0;width:fit-content;padding:4px 8px;font-size:11px;font-weight:600;line-height:1.5;display:inline-flex}.adm__pill--pending{background:var(--amber-bg);color:var(--amber)}.adm__pill--approved{background:var(--green-bg);color:var(--green)}.adm__pill--rejected,.adm__pill--cancelled{background:var(--rose-bg);color:var(--red-deep)}.adm__pill--none{background:var(--line-soft);color:var(--muted)}.adm__meta{color:var(--muted);flex-direction:column;gap:5px;font-size:12px;display:flex}.adm__meta-amt{font-variant-numeric:tabular-nums;color:var(--text);font-size:14px;font-weight:600}.adm__meta-plan{color:var(--text)}.adm__receipt-empty{color:var(--muted);font-size:11px}.adm__shot{color:var(--muted);cursor:zoom-in;font:11px var(--disp);background:0 0;border:0;flex-direction:column;align-items:center;gap:5px;padding:0;display:flex}.adm__shot img{object-fit:cover;object-position:top;border:1px solid var(--line);border-radius:4px;width:32px;height:42px}.adm__actions,.adm__subactions{flex-wrap:wrap;justify-content:flex-end;gap:6px;display:flex}.adm__btn{min-height:36px;font:600 12px var(--disp);cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:7px;padding:8px 12px;transition:background .14s,border-color .14s}.adm__btn:disabled{opacity:.5;cursor:not-allowed}.adm__btn--approve{background:var(--ink);color:#fff}.adm__btn--approve:hover:not(:disabled){background:#42463c}.adm__btn--accent{background:var(--red);color:#fff}.adm__btn--accent:hover:not(:disabled){background:var(--red-deep)}.adm__btn--reject,.adm__btn--ghost{background:var(--sheet);color:var(--text);border-color:var(--line)}.adm__btn--reject:hover:not(:disabled),.adm__btn--ghost:hover:not(:disabled){background:var(--line-soft);border-color:#c9c8bd}.adm__btn--danger{color:var(--red-deep);background:0 0}.adm__btn--danger:hover:not(:disabled){background:var(--rose-bg)}.adm__empty{text-align:center;color:var(--muted);grid-column:1/-1;padding:60px 24px;font-size:13px;line-height:1.8}.adm__toolbar{flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px;display:flex}.adm__toolbar--page{justify-content:flex-end}.adm__toolbar--page:empty{display:none}.adm__toolbar label{color:var(--muted);align-items:center;gap:8px;font-size:12px;display:flex}.adm__studio{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:start;gap:24px;display:grid}.adm__panel{background:var(--sheet);border:1px solid var(--line);border-radius:12px;padding:24px}.adm__section-title{font:600 18px var(--disp);letter-spacing:-.02em;margin:0 0 8px}.adm__section-note{color:var(--muted);margin:0 0 20px;font-size:12px;line-height:1.7}.adm__textarea{width:100%;min-height:100px;font:16px/1.7 var(--disp);border:1px solid var(--line);background:var(--paper);color:var(--text);resize:vertical;border-radius:8px;padding:14px}.adm__chips{flex-wrap:wrap;gap:6px;margin-top:14px;display:flex}.adm__chip{min-height:30px;font:11px var(--mono);border:1px solid var(--line);background:var(--paper);color:var(--muted);cursor:pointer;border-radius:5px;padding:5px 8px}.adm__chip:hover{background:var(--line-soft)}.adm__studio-row{flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px;display:flex}.adm__select{min-height:38px;font:13px var(--disp);border:1px solid var(--line);background:var(--sheet);color:var(--text);border-radius:7px;max-width:100%;padding:8px 12px}.adm__input{min-height:40px;font:14px var(--disp);border:1px solid var(--line);background:var(--paper);color:var(--text);border-radius:7px;min-width:0;padding:10px 12px}.adm__input--grow{flex:1;min-width:160px}.adm__history-title{font:600 15px var(--disp);color:var(--text);margin:0 0 16px}.adm__audio-item{background:var(--sheet);border:1px solid var(--line);border-radius:10px;justify-content:space-between;align-items:center;gap:14px;margin-bottom:10px;padding:16px;display:flex}.adm__audio-meta{min-width:0}.adm__audio-text{overflow-wrap:anywhere;font-size:17px;display:block}.adm__audio-style{color:var(--muted);margin-top:6px;font-size:11px;display:block}.adm__audio-btns{flex-shrink:0;gap:4px;display:flex}.adm__field{flex:1;align-items:center;min-width:min(240px,100%);display:flex;position:relative}.adm__field-input{border:1px solid var(--line);background:var(--sheet);width:100%;min-height:42px;font:13px var(--disp);color:var(--text);border-radius:8px;padding:11px 14px 11px 36px}.adm__count{font-variant-numeric:tabular-nums;color:var(--muted);margin-left:auto;font-size:12px}.adm__editor{background:var(--sheet);border:1px solid var(--line);border-radius:12px;margin-bottom:20px;padding:24px}.adm__editor-grid{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;display:grid}.adm__field-lbl{flex-direction:column;gap:8px;display:flex}.adm__field-lbl span{color:var(--muted);font-size:12px}.adm__field-lbl .adm__input{width:100%}.adm__err{color:var(--red-deep);margin-top:12px;font-size:13px;line-height:1.7}.adm__notice{background:var(--rose-bg);border:1px solid #f1d3ce;border-radius:8px;padding:12px 16px}.adm__notice--warning{background:var(--amber-bg);color:var(--amber);border-color:#eadbb7}.adm__editor-actions{gap:10px;margin-top:20px;display:flex}.adm__table-wrap{background:var(--sheet);border:1px solid var(--line);border-radius:12px;overflow-x:auto}.adm__table{border-collapse:collapse;width:100%;font-size:13px}.adm__table thead th{text-align:left;font:600 11px var(--disp);color:var(--muted);background:var(--paper);border-bottom:1px solid var(--line);white-space:nowrap;padding:14px 16px}.adm__table tbody td{border-bottom:1px solid var(--line-soft);vertical-align:middle;padding:16px}.adm__table tbody tr:last-child td{border-bottom:0}.adm__table tbody tr:hover td{background:#faf9f5}.adm__zh{white-space:nowrap;font-size:22px;font-weight:500}.adm__py{color:var(--muted);white-space:nowrap;font-size:13px}.adm__hsk{background:var(--line-soft);color:var(--text);border-radius:5px;padding:4px 7px;font-size:11px;font-weight:600}.adm__dash{color:var(--faint)}.adm__rowact{white-space:nowrap;text-align:right}.adm__rowbtn{font:500 12px var(--disp);border:1px solid var(--line);background:var(--sheet);min-height:34px;color:var(--text);cursor:pointer;white-space:nowrap;border-radius:6px;margin-left:5px;padding:6px 9px}.adm__rowbtn:hover{background:var(--line-soft);border-color:#c9c8bd}.adm__rowbtn--del{color:var(--red-deep)}.adm__rowbtn--del:hover{background:var(--rose-bg);border-color:#e9b9b2}.adm__rowbtn:disabled{opacity:.5;cursor:not-allowed}.adm__rowbtn--grant{color:var(--red-deep);border-color:#e9b9b2}.adm__rowbtn--grant:hover{background:var(--rose-bg)}.adm__table-empty{text-align:center;color:var(--muted);padding:48px 24px}.adm__table--users td{white-space:nowrap}.adm__td-name{font-weight:600}.adm__person{align-items:center;gap:12px;display:flex}.adm__person-mark{border:1px solid var(--line);width:36px;height:40px;color:var(--red-deep);background:var(--paper);border-radius:6px;flex-shrink:0;place-items:center;font-size:14px;font-weight:600;display:grid}.adm__person-info{flex-direction:column;gap:4px;min-width:0;display:flex}.adm__person-info strong{font-size:13px;font-weight:600}.adm__person-info span,.adm__person-info small{color:var(--muted);font-size:11px;font-weight:400}.adm__location{flex-direction:column;gap:5px;font-size:12px;display:flex}.adm__location small{color:var(--muted);font-size:11px}.adm__td-handle,.adm__td-email,.adm__td-date{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.adm__overlay{z-index:400;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#27292299;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.adm__overlay [role=dialog]{flex-direction:column;align-items:flex-end;gap:12px;display:flex}.adm__overlay-img{border-radius:8px;max-width:90vw;max-height:calc(100dvh - 110px)}.adm__dm-backdrop,.adm__overlay{top:var(--adm-top,0);height:var(--adm-height,100dvh);min-height:0;bottom:auto;overflow:auto}.adm__dm,.adm__overlay [role=dialog]{max-height:100%;overflow:auto}.adm input::placeholder,.adm textarea::placeholder{color:var(--muted);opacity:1}.adm :is(button,a,input,textarea,select):focus-visible{outline:2px solid var(--red);outline-offset:3px}@media (max-width:1150px){.adm__queue-head{display:none}.adm__card{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.adm__actions{grid-column:2}.adm__studio{grid-template-columns:1fr}.adm__audio-item{flex-wrap:wrap}}@media (max-width:900px){.adm__sidebar{width:192px;padding-inline:12px}.adm__main{padding-inline:20px}.adm__topbar{flex-wrap:wrap}.adm__stats{grid-template-columns:repeat(2,minmax(0,1fr))}.adm__stat{border-bottom:1px solid var(--line-soft)}.adm__stat:nth-child(2){border-right:0}.adm__stat:nth-child(n+3){border-bottom:0}.adm__rowbtn,.adm__btn,.adm__dm-x,.adm__chip,.adm__retry,.hska__mode,.hska__sort{min-width:44px;min-height:44px}}@media (max-width:720px){.adm{flex-direction:column}.adm__sidebar{border-right:0;border-bottom:1px solid var(--line);gap:20px;width:100%;height:auto;padding:20px 16px 12px;position:static}.adm__brand{justify-content:space-between;align-items:center;padding:0;display:flex}.adm__brand-eyebrow{margin:0;font-size:11px}.adm__brand-logo{width:72px;height:30px}.adm__nav{flex-direction:row;gap:6px;padding:3px 2px;overflow-x:auto}.adm__nav-group{display:contents}.adm__nav-heading{display:none}.adm__nav-item{white-space:nowrap;flex-shrink:0;gap:8px;width:auto;padding:10px 12px}.adm__nav-item--active:before,.adm__nav-count,.adm__sidefoot{display:none}.adm__main{padding:24px 16px 48px}.adm__topbar{gap:20px;margin-bottom:20px}.adm__search,.adm__search-input{width:100%}.adm__toolbar--page{justify-content:flex-start}.adm__toolbar label{flex-wrap:wrap}.adm__stats{margin-bottom:20px}.adm__stat{padding:16px}.adm__stat-num{font-size:23px}.adm__stat-label{font-size:11px}.adm__queue{background:0 0;border:0;border-radius:0;gap:12px}.adm__card{border:1px solid var(--line);background:var(--sheet);border-radius:12px;gap:16px;padding:18px}.adm__card:last-child{border-bottom:1px solid var(--line)}.adm__card-top{flex-direction:row;grid-column:1/-1;justify-content:space-between;gap:12px}.adm__meta{grid-column:1}.adm__receipt{grid-column:2;justify-self:end}.adm__actions{border-top:1px solid var(--line-soft);grid-column:1/-1;justify-content:flex-start;padding-top:14px}.adm__table--users{display:block}.adm__table--users thead{clip-path:inset(50%);width:1px;height:1px;position:absolute;overflow:hidden}.adm__table--users tbody{background:var(--paper);gap:12px;display:grid}.adm__table-wrap:has(.adm__table--users){border:0;border-radius:0;overflow:visible}.adm__table--users tbody tr{border:1px solid var(--line);background:var(--sheet);border-radius:12px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px;padding:18px;display:grid}.adm__table--users tbody td{white-space:normal;border:0;flex-direction:column;gap:7px;padding:0;display:flex}.adm__table--users tbody td:before{content:attr(data-label);color:var(--muted);font-size:11px;font-weight:500}.adm__table--users tbody td:first-child{border-bottom:1px solid var(--line-soft);grid-column:1/-1;padding-bottom:14px}.adm__table--users tbody td:first-child:before{display:none}.adm__table--users tbody td:last-child{border-top:1px solid var(--line-soft);flex-flow:wrap;grid-column:1/-1;align-items:center;padding-top:14px}.adm__table--users tbody td:last-child:before{display:none}.adm__table--users .adm__rowbtn{margin:0}.adm__person-info{overflow-wrap:anywhere}.adm__person-mark{width:36px}.adm__panel,.adm__editor{padding:18px}.adm__editor-grid{grid-template-columns:1fr 1fr}.adm__table:not(.adm__table--users){min-width:680px}.adm__studio{gap:24px}.adm__audio-item{padding:14px}.adm__audio-btns{flex-wrap:wrap}}@media (prefers-reduced-motion:reduce){.adm *,.adm :before,.adm :after{transition:none!important;animation:none!important}}.admin__loading{text-align:center;color:#6b7177;padding:60px 0}.admin__stats{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px;display:grid}.admin__stat{text-align:center;background:#fff;border-radius:12px;padding:16px;box-shadow:0 1px 3px #00000014}.admin__stat-value{color:#1a1a1a;font-size:1.5rem;font-weight:700;display:block}.admin__stat-label{color:#888;margin-top:4px;font-size:.8rem;display:block}.admin__tabs{gap:4px;margin-bottom:16px;display:flex}.admin__tab{color:#666;cursor:pointer;background:#e8e8e8;border:none;border-radius:8px 8px 0 0;flex:1;padding:10px 16px;font-family:inherit;font-size:.95rem;font-weight:500}.admin__tab--active{color:#4a7ab5;background:#fff;font-weight:600}.admin__list{grid-template-columns:repeat(auto-fill,minmax(440px,1fr));align-items:start;gap:16px;display:grid}@media (max-width:600px){.admin__list{grid-template-columns:1fr;gap:12px}}.admin__empty{text-align:center;color:#6b7177;padding:40px 0}.admin__card{background:#fff;border-left:4px solid #e0e0e0;border-radius:3px;padding:16px;box-shadow:0 1px 3px #00000014}.admin__card--pending{border-left-color:#f59e0b}.admin__card--approved{border-left-color:#16a34a}.admin__card--rejected{border-left-color:#dc2626}.admin__card-header{justify-content:space-between;align-items:flex-start;gap:8px;margin-bottom:8px;display:flex}.admin__card-name{color:#1a1a1a;font-size:.95rem;font-weight:600;display:block}.admin__card-email{color:#555;word-break:break-all;font-size:.9rem}.admin__card-details{color:#888;flex-wrap:wrap;gap:16px;font-size:.85rem;display:flex}.admin__badge{white-space:nowrap;border-radius:20px;padding:3px 10px;font-size:.78rem;font-weight:600;display:inline-block}.admin__badge--pending{color:#92400e;background:#fef3c7}.admin__badge--approved{color:#166534;background:#dcfce7}.admin__badge--rejected{color:#991b1b;background:#fee2e2}.admin__badge--none{color:#6b7280;background:#f3f4f6}.admin__screenshot-wrap{margin:10px 0}.admin__screenshot{cursor:pointer;object-fit:cover;border:1px solid #eee;border-radius:8px;max-width:200px;max-height:150px}.admin__actions{gap:8px;margin-top:12px;display:flex}.admin__btn{cursor:pointer;border:none;border-radius:3px;padding:8px 20px;font-family:inherit;font-size:.9rem;font-weight:600}.admin__btn:disabled{opacity:.5;cursor:not-allowed}.admin__btn--approve{color:#fff;background:#16a34a}.admin__btn--reject{color:#991b1b;background:#fee2e2}.admin__sub-actions{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.admin__sub-btn{cursor:pointer;color:#333;background:#fff;border:1px solid #ddd;border-radius:3px;padding:6px 14px;font-family:inherit;font-size:.8rem;font-weight:500}.admin__sub-btn:disabled{opacity:.5;cursor:not-allowed}.admin__sub-btn--add{color:#16a34a;border-color:#16a34a}.admin__sub-btn--remove{color:#b45309;border-color:#f59e0b}.admin__sub-btn--cancel{color:#dc2626;border-color:#ef4444}.admin__sub-btn--grant{color:#fff;background:#16a34a;border-color:#16a34a}.admin__search{margin-bottom:16px;position:relative}.admin__search-input{box-sizing:border-box;border:1px solid #d1d5db;border-radius:8px;outline:none;width:100%;padding:10px 36px 10px 12px;font-size:.95rem}.admin__search-input:focus{border-color:#3b82f6;box-shadow:0 0 0 2px #3b82f626}.admin__search-clear{color:#9ca3af;cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:1.3rem;line-height:1;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.admin__overlay{z-index:200;cursor:pointer;background:#000c;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.admin__overlay-img{object-fit:contain;border-radius:8px;max-width:90vw;max-height:90vh}@media (max-width:600px){.admin__stats{grid-template-columns:repeat(2,1fr)}.admin__card-header{flex-direction:column}.admin__card-details{flex-direction:column;gap:4px}.admin__screenshot{max-width:100%}}.admin-login{background:#f5f5f5;justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.admin-login__form{text-align:center;background:#fff;border-radius:16px;width:100%;max-width:360px;padding:40px 32px;box-shadow:0 2px 8px #00000014}.admin-login__title{color:#1a1a1a;margin-bottom:24px;font-size:1.5rem;font-weight:700}.admin-login__input{box-sizing:border-box;border:2px solid #e0e0e0;border-radius:10px;outline:none;width:100%;padding:12px 16px;font-family:inherit;font-size:1rem}.admin-login__input:focus{border-color:#4a7ab5}.admin-login__error{color:#dc2626;margin-top:8px;font-size:.85rem}.admin-login__btn{color:#fff;cursor:pointer;background:#4a7ab5;border:none;border-radius:3px;width:100%;margin-top:16px;padding:12px;font-family:inherit;font-size:1rem;font-weight:600}.admin-login__btn:disabled{opacity:.5;cursor:not-allowed}.login-page{background:#f5f5f5;justify-content:center;align-items:center;min-height:100vh;padding:24px 16px;display:flex}.login-card{background:#fff;border-radius:3px;flex-direction:column;align-items:center;gap:16px;width:100%;max-width:380px;padding:40px 32px;display:flex;box-shadow:0 2px 12px #00000014}.login-logo{margin-bottom:8px}.login-btn{cursor:pointer;border-radius:3px;justify-content:center;align-items:center;gap:10px;width:100%;min-height:48px;padding:12px 20px;font-size:.95rem;font-weight:600;transition:opacity .15s;display:flex}.login-btn:hover{opacity:.9}.login-btn:disabled{opacity:.6;cursor:default}.login-btn:disabled:hover{opacity:.6}.login-btn__spinner{border:2px solid;border-top-color:#0000;border-radius:50%;flex-shrink:0;width:20px;height:20px;animation:.7s linear infinite spin}.login-error{color:#dc2626;text-align:center;margin:4px 0 0;font-size:.85rem;line-height:1.4}@media (prefers-reduced-motion:reduce){.login-btn__spinner{animation-duration:2s}}.login-btn--google{color:#333;background:#fff;border:1.5px solid #dadce0}.login-btn--google:hover{background:#f8f9fa;border-color:#c4c7cb}.login-btn--telegram{color:#fff;background:#229ed9;border:none}.login-divider{color:#6b7177;align-items:center;gap:12px;width:100%;font-size:.85rem;display:flex}.login-divider:before,.login-divider:after{content:"";background:#e5e5e5;flex:1;height:1px}.typedfillblank{padding:0}.typedfillblank__progress{height:4px;margin-bottom:var(--spacing-md);background:#e5e5e5;border-radius:2px;overflow:hidden}.typedfillblank__progress-bar{background:var(--color-accent);border-radius:2px;height:100%;transition:width .3s}.typedfillblank__card{padding:var(--spacing-sm) 0;border-bottom:1px solid #f0f0f0;flex-wrap:wrap;align-items:baseline;gap:8px;display:flex}.typedfillblank__card:last-of-type{border-bottom:none}.typedfillblank__card--correct{opacity:.6}.typedfillblank__wordbank{margin-bottom:var(--spacing-md);background:#fafafa;border:1px solid #ddd;border-radius:6px;flex-wrap:wrap;justify-content:center;align-items:center;gap:6px 4px;padding:10px 16px;display:flex}.typedfillblank__wordbank-word{font-size:1.05em;font-style:italic}.typedfillblank__wordbank-dot{color:#6b7177;margin:0 2px}.typedfillblank__images{margin-bottom:var(--spacing-md);grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.typedfillblank__image{flex-direction:column;display:flex}.typedfillblank__image>img,.typedfillblank__image-placeholder{aspect-ratio:4/3;background:#f0f0f0;border-radius:6px;overflow:hidden}.typedfillblank__image>img{object-fit:cover;width:100%}.typedfillblank__image-placeholder{color:#6b7177;justify-content:center;align-items:center;font-size:1.2rem;font-weight:600;display:flex}.typedfillblank__image-caption{color:#888;margin-top:4px;font-size:.75rem;font-style:italic;line-height:1.3}.typedfillblank__number{color:#888;flex-shrink:0;min-width:1.5em;font-weight:600}.typedfillblank__sentence{flex:1;line-height:2}.typedfillblank__hint{color:#888;margin:0 2px;font-style:italic}.typedfillblank__sentence--hint-only .typedfillblank__hint{display:block}.typedfillblank__input{font-size:inherit;text-align:center;background:0 0;border:none;border-bottom:2px solid #ccc;outline:none;margin:0 4px;padding:2px 4px;font-family:inherit;display:inline-block}.typedfillblank__sentence--hint-only .typedfillblank__input{text-align:left;width:100%;margin:0;display:block}.typedfillblank__input:focus{border-bottom-color:var(--color-accent)}.typedfillblank__input--correct{color:#4caf50;border-bottom-color:#4caf50}.typedfillblank__input--wrong{color:#f44336;border-bottom-color:#f44336}.typedfillblank__tick-btn{cursor:pointer;color:#6b7177;vertical-align:middle;background:0 0;border:2px solid #ccc;border-radius:50%;justify-content:center;align-items:center;width:2em;height:2em;margin:0 4px;font-size:1em;display:inline-flex}.typedfillblank__tick-btn--ticked{border-color:currentColor}.typedfillblank__tick-btn.typedfillblank__input--correct{color:#4caf50;border-color:#4caf50}.typedfillblank__tick-btn.typedfillblank__input--wrong{color:#f44336;border-color:#f44336}.typedfillblank__card--passage{flex-wrap:wrap;align-items:baseline;gap:6px;display:flex}.typedfillblank__card--passage .typedfillblank__number{flex-shrink:0}.typedfillblank__card--passage .typedfillblank__input{flex-shrink:0;width:6em}.typedfillblank__card--passage .typedfillblank__tick-btn{flex-shrink:0}.typedfillblank__passage-text{flex:1;min-width:0}.typedfillblank__check-btn{background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:3px;margin-left:auto;padding:4px 12px;font-family:inherit;font-size:.85rem}.typedfillblank__check-btn--bottom{width:100%;margin-top:var(--spacing-md);border-radius:3px;padding:10px;font-size:1rem;display:block}.typedfillblank__check-btn:disabled{opacity:.4;cursor:not-allowed}.typedfillblank__complete{text-align:center;padding:var(--spacing-md);color:#4caf50;font-weight:600}.typedfillblank__word-wrapper{display:inline;position:relative}.typedfillblank__word{cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:3px}.typedfillblank__word--active{color:var(--color-accent);background:#dc26261f}.typedfillblank__tooltip{color:#fff;white-space:nowrap;z-index:10;pointer-events:none;background:#333;border-radius:4px;padding:4px 10px;font-size:.8rem;position:absolute;bottom:calc(100% + 4px);left:50%;transform:translate(-50%)}.typedfillblank__tooltip:after{content:"";border:5px solid #0000;border-top-color:#333;position:absolute;top:100%;left:50%;transform:translate(-50%)}.errorcorrection{padding:0}.errorcorrection__progress{height:4px;margin-bottom:var(--spacing-md);background:#e5e5e5;border-radius:2px;overflow:hidden}.errorcorrection__progress-bar{background:var(--color-accent);border-radius:2px;height:100%;transition:width .3s}.errorcorrection__card{padding:var(--spacing-sm) 0;border-bottom:1px solid #f0f0f0}.errorcorrection__card:last-of-type{border-bottom:none}.errorcorrection__card--correct{opacity:.6}.errorcorrection__number{color:#888;margin-right:8px;font-weight:600}.errorcorrection__sentence{margin:0 0 8px;line-height:1.8}.errorcorrection__error{font-weight:700}.errorcorrection__input{font-size:inherit;background:0 0;border:none;border-bottom:2px solid #ccc;outline:none;width:100%;padding:4px 8px;font-family:inherit}.errorcorrection__input:focus{border-bottom-color:var(--color-accent)}.errorcorrection__input--correct{color:#4caf50;border-bottom-color:#4caf50}.errorcorrection__input--wrong{color:#f44336;border-bottom-color:#f44336}.errorcorrection__check-btn--bottom{width:100%;margin-top:var(--spacing-md);background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:3px;padding:10px;font-family:inherit;font-size:1rem;display:block}.errorcorrection__check-btn--bottom:disabled{opacity:.4;cursor:not-allowed}.errorcorrection__complete{text-align:center;padding:var(--spacing-md);color:#4caf50;font-weight:600}.wordchoice{padding:0}.wordchoice__progress{height:4px;margin-bottom:var(--spacing-md);background:#e5e5e5;border-radius:2px;overflow:hidden}.wordchoice__progress-bar{background:var(--color-accent);border-radius:2px;height:100%;transition:width .3s}.wordchoice__card{padding:var(--spacing-sm) 0;border-bottom:1px solid #f0f0f0;display:flex}.wordchoice__card:last-of-type{border-bottom:none}.wordchoice__card--correct{opacity:.6}.wordchoice__number{color:#888;flex-shrink:0;width:2.2em;font-weight:600}.wordchoice__sentence{flex:1;line-height:1.8}.wordchoice__choice-group{display:inline}.wordchoice__separator{color:#6b7177;margin:0 2px;font-weight:600}.wordchoice__choice-btn{font-size:inherit;color:var(--color-accent);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:0;font-family:inherit;font-weight:700;transition:color .2s,border-color .2s;display:inline}.wordchoice__choice-btn:active{opacity:.7}.wordchoice__choice-btn--selected{border-bottom-color:var(--color-accent)}.wordchoice__choice-btn--correct{color:#4caf50;cursor:default;border-bottom-color:#4caf50}.wordchoice__choice-btn--wrong{color:#f44336;animation:.4s wordchoice-shake}.wordchoice__choice-btn--dimmed{opacity:.35;cursor:default}@keyframes wordchoice-shake{0%,to{transform:translate(0)}20%{transform:translate(-3px)}40%{transform:translate(3px)}60%{transform:translate(-2px)}80%{transform:translate(2px)}}.wordchoice__check-btn{width:100%;margin-top:var(--spacing-md);background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:3px;padding:10px;font-family:inherit;font-size:1rem;display:block}.wordchoice__check-btn:disabled{opacity:.4;cursor:not-allowed}.wordchoice__complete{text-align:center;padding:var(--spacing-md);color:#4caf50;font-weight:600}.wordchoice__card--ab{flex-direction:row;align-items:flex-start}.wordchoice__ab-body{flex-direction:column;flex:1;gap:8px;display:flex}.wordchoice__ab-lead{color:#333;font-style:italic;line-height:1.6}.wordchoice__ab-blank{text-align:center;color:#0000;vertical-align:bottom;border-bottom:2px solid #555;min-width:40px;margin:0 2px;font-style:normal;display:inline-block}.wordchoice__ab-options{flex-direction:column;gap:6px;display:flex}.wordchoice__ab-btn{font-size:inherit;color:#333;cursor:pointer;text-align:left;background:0 0;border:1.5px solid #ddd;border-radius:3px;align-items:baseline;gap:8px;padding:7px 10px;font-family:inherit;transition:border-color .15s,background .15s;display:flex}.wordchoice__ab-btn:active{opacity:.7}.wordchoice__ab-label{color:var(--color-accent);flex-shrink:0;min-width:1.2em;font-weight:700}.wordchoice__ab-text{line-height:1.5}.wordchoice__ab-btn--selected{border-color:var(--color-accent);background:#dc26260d}.wordchoice__ab-btn--correct{cursor:default;background:#4caf5012;border-color:#4caf50}.wordchoice__ab-btn--correct .wordchoice__ab-label{color:#4caf50}.wordchoice__ab-btn--wrong{background:#f4433612;border-color:#f44336;animation:.4s wordchoice-shake}.wordchoice__ab-btn--wrong .wordchoice__ab-label{color:#f44336}.wordchoice__ab-btn--dimmed{opacity:.35;cursor:default}.texterror{padding:0}.texterror__progress{background:#e5e5e5;border-radius:2px;height:4px;overflow:hidden}.texterror__progress-bar{background:var(--color-accent);height:100%;transition:width .3s}.texterror__passage{margin-top:var(--spacing-md);background:#fafafa;border:1px solid #ddd;border-radius:6px;padding:16px;line-height:1.8}.texterror__error{font-weight:inherit}.texterror__error-num{color:var(--color-accent);margin-left:1px;font-size:.7em;font-weight:600}.texterror__inputs{margin-top:var(--spacing-md)}.texterror__input-row{border-bottom:1px solid #f0f0f0;align-items:center;padding:6px 0;display:flex}.texterror__input-row:last-child{border-bottom:none}.texterror__input-row--correct{opacity:.6}.texterror__input-num{color:#888;flex-shrink:0;width:2.2em;font-weight:600}.texterror__input{font-size:inherit;box-sizing:border-box;background:0 0;border:none;border-bottom:2px solid #ccc;flex:1;padding:4px 8px;font-family:inherit}.texterror__input:focus{border-bottom-color:var(--color-accent);outline:none}.texterror__input--correct{color:#4caf50;border-bottom-color:#4caf50}.texterror__input--wrong{color:#f44336;border-bottom-color:#f44336}.texterror__check-btn{width:100%;margin-top:var(--spacing-md);background:var(--color-accent);color:#fff;cursor:pointer;border:none;border-radius:3px;padding:10px;font-family:inherit;font-size:1rem;display:block}.texterror__check-btn:disabled{opacity:.4;cursor:not-allowed}.texterror__complete{text-align:center;padding:var(--spacing-md);color:#4caf50;font-weight:600}.hanzi-practice{max-width:900px;margin:0 auto;padding:0 0 24px}.hanzi-practice__subtabs{z-index:20;background:linear-gradient(#b91c1c 0%,#991b1b 100%);gap:4px;width:100vw;margin-left:calc(50% - 50vw);padding:8px 16px 10px;display:flex;position:sticky;top:0}.hanzi-practice__subtab{color:#ffffffd1;cursor:pointer;text-align:center;background:0 0;border:none;border-radius:8px;flex:1;padding:7px 4px;font-family:inherit;font-size:.85rem;font-weight:500}.hanzi-practice__subtab--active{color:#fff;background:#00000047;font-weight:700}.hanzi-practice__session-progress{text-align:center;color:#6b7177;margin-bottom:16px;font-size:13px}.hanzi-practice__layout{flex-direction:row;justify-content:center;align-items:flex-start;gap:32px;display:flex}@media (max-width:768px){.hanzi-practice__layout{flex-direction:column;align-items:center}}.hanzi-practice__canvas-panel{flex-direction:column;flex-shrink:0;align-items:center;gap:12px;display:flex}.hanzi-practice__grid-wrapper{overflow-anchor:none;min-height:300px;position:relative}@media (min-width:481px){.hanzi-practice__grid-wrapper{min-height:400px}}.hanzi-practice__crosshair{pointer-events:none;border:2px dashed #e0e0e0;border-radius:8px;position:absolute;inset:0}.hanzi-practice__crosshair:before{content:"";border-left:1px dashed #e0e0e0;width:0;position:absolute;top:0;bottom:0;left:50%}.hanzi-practice__crosshair:after{content:"";border-top:1px dashed #e0e0e0;height:0;position:absolute;top:50%;left:0;right:0}.hanzi-practice__canvas{z-index:1;border-radius:8px;transition:box-shadow .15s;position:relative}.hanzi-practice__canvas--flash-green{box-shadow:0 0 0 3px #22c55e}.hanzi-practice__canvas--flash-red{box-shadow:0 0 0 3px #ef4444}.hanzi-practice__action-btn{cursor:pointer;color:#333;background:#fff;border:1.5px solid #e0e0e0;border-radius:3px;min-height:44px;padding:8px 16px;font-family:inherit;font-size:14px;transition:border-color .15s,color .15s}.hanzi-practice__action-btn:hover{color:#dc2626;border-color:#dc2626}.hanzi-practice__action-btn--active{color:#fff;background:#dc2626;border-color:#dc2626}.hanzi-practice__action-btn--active:hover{color:#fff;background:#b91c1c;border-color:#b91c1c}.hanzi-practice__nav-btn{cursor:pointer;color:#555;background:#fff;border:1.5px solid #e0e0e0;border-radius:3px;flex:1;min-height:44px;padding:10px 16px;font-size:.95rem;transition:border-color .15s,color .15s}.hanzi-practice__nav-btn:disabled{opacity:.35;cursor:default}.hanzi-practice__nav-btn--next{color:#fff;background:linear-gradient(135deg,#dc2626,#b91c1c);border-color:#dc2626}.hanzi-practice__nav-btn--next:hover{background:linear-gradient(135deg,#b91c1c,#991b1b)}.hanzi-practice__info-panel{flex-flow:wrap;justify-content:center;align-items:baseline;gap:4px 12px;padding-bottom:10px;display:flex}.hanzi-practice__char-display{color:#1a1a1a;font-size:96px;font-weight:300;line-height:1}.hanzi-practice__pinyin{color:#666;font-size:24px}.hanzi-practice__meaning{color:#666;justify-content:center;align-items:center;gap:4px;font-size:24px;display:flex}.hanzi-practice__word-display{gap:1px;display:flex}.hanzi-practice__word-char{color:#ccc;font-size:26px;font-weight:400;transition:color .2s}.hanzi-practice__word-char--active{color:#dc2626}.hanzi-practice__word-char--done{color:#333}.hanzi-practice__char-progress{justify-content:center;gap:8px;width:100%;margin-top:2px;display:flex}.hanzi-practice__char-dot{background:#e0e0e0;border-radius:50%;width:8px;height:8px}.hanzi-practice__char-dot--active{background:#dc2626}.hanzi-practice__char-dot--done{background:#1a1a2e}.hanzi-practice__stroke-count{color:#6b7177;font-size:14px;font-weight:600;transition:background-color .3s,color .3s,border-color .3s,opacity .3s}.hanzi-practice__stroke-count--animating{color:#10b981;font-size:16px;animation:.6s ease-out hanzi-stroke-pulse}.hanzi-practice__stroke-current{font-weight:700}@keyframes hanzi-stroke-pulse{0%{color:#10b981;transform:scale(1)}50%{color:#059669;transform:scale(1.15)}to{color:#6b7177;transform:scale(1)}}.hanzi-practice__char-card{background:#fff;border:1px solid #e0e0e6;border-radius:3px;width:100%;max-width:520px;margin:12px auto 0;padding:14px 16px;box-shadow:0 1px 4px #0000000d}.hanzi-practice__char-card-header{align-items:center;gap:10px;display:flex}.hanzi-practice__char-card-main{flex:1;align-items:baseline;gap:8px;display:flex}.hanzi-practice__char-card-pinyin{color:#dc2626;font-size:16px;font-style:italic;font-weight:600}.hanzi-practice__char-card-meaning{color:#333;font-size:15px}.hanzi-practice__char-card-audio{color:#fff;cursor:pointer;background:#dc2626;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;padding:0;display:inline-flex}.hanzi-practice__char-card-audio--soon{opacity:.5;cursor:default;border-radius:22px;gap:6px;width:auto;padding:0 14px}.hanzi-practice__char-card-audio-soon{white-space:nowrap;font-size:12px}.hanzi-practice__char-card-details{flex-wrap:wrap;gap:8px;margin-top:8px;display:flex}.hanzi-practice__char-card-tag{color:#555;background:#f5f5f8;border-radius:3px;padding:2px 8px;font-size:11px}.hanzi-practice__char-card-example{background:#fafafa;border:1px solid #ececec;border-radius:3px;margin-top:10px;padding:10px}.hanzi-practice__char-card-ex-zh{color:#1a1a2e;font-size:15px}.hanzi-practice__char-card-ex-py{color:#dc2626;margin-top:2px;font-size:12px;font-style:italic}.hanzi-practice__char-card-ex-tr{color:#888;margin-top:2px;font-size:12px}.hanzi-home{flex-direction:column;gap:16px;max-width:480px;padding:8px 0 24px;display:flex}.hanzi-home__stats-row{gap:12px;display:flex}.hanzi-home__stat-card{background:#fff;border:1px solid #ebebeb;border-radius:3px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:4px;padding:16px 8px;display:flex;box-shadow:0 1px 4px #0000000f}.hanzi-home__stat-value{color:#dc2626;font-size:28px;font-weight:700;line-height:1}.hanzi-home__stat-label{color:#888;text-align:center;font-size:12px}.hanzi-home__start-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#dc2626,#b91c1c);border:none;border-radius:3px;width:100%;min-height:52px;font-family:inherit;font-size:16px;font-weight:600}.hanzi-home__start-btn:disabled{color:#6b7177;cursor:not-allowed;background:#e0e0e6}.hanzi-home__nothing-due{text-align:center;color:#555;background:#fff;border:1px solid #ebebeb;border-radius:10px;padding:20px;font-size:15px}.hanzi-home__reset-btn{color:#ccc;cursor:pointer;text-align:center;background:0 0;border:none;padding:0;font-family:inherit;font-size:12px;text-decoration:underline}.hanzi-home__reset-btn:hover{color:#6b7177}.hanzi-done{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:40px 0;display:flex}.hanzi-done__title{color:#1a1a1a;font-size:22px;font-weight:700}.hanzi-done__stats{color:#888;font-size:14px}.hanzi-done__buttons{flex-direction:column;gap:10px;width:100%;max-width:280px;display:flex}.hanzi-done__restart-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#dc2626,#b91c1c);border:none;border-radius:3px;min-height:48px;padding:12px 32px;font-family:inherit;font-size:15px;font-weight:600}.hanzi-done__back-btn{color:#555;cursor:pointer;background:#fff;border:1px solid #e0e0e6;border-radius:3px;min-height:48px;padding:12px 32px;font-family:inherit;font-size:15px;font-weight:600}.hanzi-chars-list{width:100%}.hanzi-chars-list__title{letter-spacing:.1em;color:#dc2626;margin-bottom:12px;padding:0 4px;font-size:11px;font-weight:700}.hanzi-chars-list__hint{color:#6b7177;text-align:center;margin-top:4px;font-size:10px}.hanzi-chars-item{background:#f5f5f8;border:1px solid #e8e8ee;border-radius:8px;margin-bottom:5px;overflow:hidden}.hanzi-chars-item--open{border-left-color:#dc2626}.hanzi-chars-item__row{cursor:pointer;align-items:center;gap:12px;padding:10px 12px;display:flex}.hanzi-chars-item__char{color:#1a1a2e;text-align:center;min-width:44px;font-size:32px;font-weight:300;line-height:1}.hanzi-chars-item__info{flex-direction:column;flex:1;gap:3px;display:flex}.hanzi-chars-item__top{align-items:baseline;gap:6px;display:flex}.hanzi-chars-item__pinyin{color:#1a1a2e;font-size:14px;font-weight:600}.hanzi-chars-item__meaning{color:#888;font-size:12px}.hanzi-chars-item__bottom{align-items:center;gap:8px;display:flex}.hanzi-chars-item__strokes{color:#dc2626;background:#fee2e2;border-radius:4px;padding:1px 6px;font-size:10px}.hanzi-chars-item__radical{color:#555;background:#f0f0f3;border-radius:4px;padding:1px 6px;font-size:10px}.hanzi-chars-item__arrow{color:#ccc;font-size:16px;font-weight:300;transition:transform .2s;display:inline-block}.hanzi-chars-item__arrow--open{transform:rotate(180deg)}.hanzi-chars-item__expand{padding:0 12px 12px}.hanzi-chars-item__example{background:#fff;border:1px solid #eceef2;border-radius:8px;padding:10px}.hanzi-chars-item__ex-text{color:#1a1a2e;margin-bottom:3px;font-size:16px}.hanzi-chars-item__ex-py{color:#dc2626;margin-bottom:2px;font-size:11px}.hanzi-chars-item__ex-tr{color:#888;font-size:11px}.hanzi-chars-item__practice-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#dc2626,#b91c1c);border:none;border-radius:3px;width:100%;margin-top:8px;padding:8px;font-family:inherit;font-size:12px;font-weight:600}.hanzi-home__back-btn{color:#dc2626;cursor:pointer;background:0 0;border:none;align-self:flex-start;margin-bottom:4px;padding:0;font-family:inherit;font-size:14px}.lp__hsk-version-bar{gap:8px;width:100%;display:flex}.lp__hsk-version-btn{text-align:center;color:#666;cursor:pointer;background:#fff;border:2px solid #e0e0e0;border-radius:3px;flex:1;padding:10px 16px;font-size:15px;font-weight:600;text-decoration:none;transition:all .15s;display:block}.lp__hsk-version-btn--active{color:#dc2626;background:#fef2f2;border-color:#dc2626}.lp__hsk-version-btn:disabled{opacity:.5;cursor:default}.lp__writing-coming-soon{color:#6b7177;justify-content:center;align-items:center;padding:48px 16px;font-size:16px;display:flex}.lp__writing-sets{flex-direction:column;gap:12px;display:flex}@media (min-width:760px){.home__lessons,.lp__writing-sets{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));align-items:start;display:grid}}.lp__writing-card{color:inherit;cursor:pointer;text-align:left;background:#fff;border:none;border-radius:3px;width:100%;padding:16px 20px;font-family:inherit;text-decoration:none;transition:box-shadow .15s,transform .15s;display:block;position:relative;overflow:hidden;box-shadow:0 2px 8px #00000014}.lp__writing-card-deco{color:#0000000a;pointer-events:none;white-space:nowrap;-webkit-user-select:none;user-select:none;font-size:4.5rem;font-weight:700;line-height:1;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.lp__writing-card:hover{transform:translateY(-1px);box-shadow:0 4px 12px #0000001a}.lp__writing-card--soon{opacity:.55;cursor:default}.lp__writing-card--soon:hover{transform:none;box-shadow:0 2px 8px #0000000f}.lp__writing-card__num{color:#fff;background:#dc2626;border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.1rem;font-weight:700;display:flex}.lp__writing-card__body{flex:1;min-width:0}.lp__writing-card__title{color:#1a1a1a;margin:0 0 6px;font-size:1.1rem;font-weight:700}.lp__writing-card__sub{color:#888;margin:0;font-size:.88rem}.correction-inline{margin-bottom:24px}.correction-inline__btn{color:#444;cursor:pointer;background:#fff;border:1px solid #ddd;border-radius:6px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 16px;font-family:inherit;font-size:.875rem;display:inline-flex}.correction-inline__btn:hover{color:#1a1a1a;border-color:#999}.correction-inline__btn svg{flex-shrink:0}.correction-dialog{background:var(--color-background);width:min(440px,100% - 32px);max-height:calc(100dvh - 32px);color:var(--color-text);text-align:left;overscroll-behavior:contain;border:0;border-radius:3px;margin:auto;padding:24px;font-family:inherit;font-size:16px;line-height:1.5;position:fixed;inset:0;overflow:auto;box-shadow:0 12px 40px #0000002e}.correction-dialog::backdrop{background:#12121475}.correction-dialog[open]{animation:correction-dialog-enter .18s var(--ease-out-quart)}.correction-dialog[open]::backdrop{animation:.18s ease-out correction-backdrop-enter}.correction-inline__form{text-align:left;margin:0}.correction-inline__title{color:var(--color-text);justify-content:space-between;align-items:center;gap:12px;margin-bottom:4px;font-size:20px;font-weight:600;display:flex}.correction-inline__title h2{font:inherit;margin:0}.correction-inline__close{color:#555;cursor:pointer;background:0 0;border:none;border-radius:6px;flex-shrink:0;width:44px;height:44px;font-size:1.5rem;line-height:1}.correction-inline__close:hover{color:#1a1a1a;background:#eee}.correction-inline .correction-inline__page{color:#555;overflow-wrap:anywhere;margin:4px 0 16px;font-size:.875rem;line-height:1.5}.correction-inline__label{color:#333;margin-bottom:6px;font-size:.875rem;font-weight:600;display:block}.correction-inline__select,.correction-inline__textarea{box-sizing:border-box;color:#333;background:#fff;border:1px solid #bbb;border-radius:6px;width:100%;margin-bottom:16px;padding:10px 12px;font-family:inherit;font-size:16px}.correction-inline__select{appearance:auto;min-height:44px}.correction-inline__textarea{resize:vertical;min-height:100px}.correction-inline__textarea::placeholder{color:#666;opacity:1}.correction-inline__select:focus-visible,.correction-inline__textarea:focus-visible,.correction-inline__btn:focus-visible,.correction-inline__close:focus-visible,.correction-inline__submit:focus-visible{outline-offset:3px;outline:2px solid #b91c1c}.correction-inline__submit{box-sizing:border-box;color:#fff;text-align:center;cursor:pointer;background:#dc2626;border:none;border-radius:3px;justify-content:center;align-items:center;width:100%;min-height:44px;padding:10px 16px;font-family:inherit;font-size:16px;font-weight:600;text-decoration:none;display:flex}.correction-inline__submit:hover:not(:disabled){background:#b91c1c}.correction-inline__submit:disabled{opacity:.6;cursor:not-allowed}.correction-inline .correction-inline__signin,.correction-inline .correction-inline__error{margin:0 0 16px;font-size:.875rem;line-height:1.5}.correction-inline__signin{color:#444}.correction-inline__error{color:#b91c1c}.correction-inline__success{text-align:center;flex-direction:column;align-items:center;padding:16px 0 0;display:flex}.correction-inline__check{color:#15803d;background:#f0fdf4;border-radius:50%;flex-shrink:0;margin-bottom:20px;animation:.28s ease-out correction-check-enter}.correction-inline__check circle{transform-origin:50%;stroke-dasharray:1;stroke-dashoffset:0;animation:.5s ease-in-out both correction-circle-draw;transform:rotate(-90deg)}.correction-inline__check path{stroke-dasharray:1;stroke-dashoffset:0;animation:.45s ease-in-out .35s both correction-check-draw}.correction-inline__success h2{text-wrap:balance;margin:0;font-size:20px;font-weight:600;line-height:1.4}.correction-inline__success p{color:#555;margin:12px 0 24px;font-size:14px;line-height:1.5}@keyframes correction-dialog-enter{0%{opacity:0;transform:translateY(8px)scale(.98)}to{opacity:1;transform:none}}@keyframes correction-backdrop-enter{0%{opacity:0}to{opacity:1}}@keyframes correction-check-enter{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}@keyframes correction-check-draw{0%{stroke-dashoffset:1px}to{stroke-dashoffset:0}}@keyframes correction-circle-draw{0%{stroke-dashoffset:1px}to{stroke-dashoffset:0}}@media (max-width:480px){.correction-dialog{padding:20px}}@media (prefers-reduced-motion:reduce){.correction-dialog[open],.correction-dialog[open]::backdrop,.correction-inline__check,.correction-inline__check circle,.correction-inline__check path{animation:none}}@media print{.correction-dialog{display:none}}.blog{max-width:700px;margin:0 auto;padding:0 16px 60px}.blog__header{padding:32px 0 24px}.blog__header-top{justify-content:space-between;align-items:center;display:flex}.blog__logo-link{text-decoration:none;display:inline-block}.blog__logo-img{width:auto;height:56px}.blog__title{margin:16px 0 8px;font-size:2rem;font-weight:700}.blog__subtitle{color:#6b7280;margin:0;font-size:1rem;font-weight:400}.blog__intro-text{color:#9ca3af;margin:8px 0 0;font-size:.9rem;line-height:1.5}.blog__list{flex-direction:column;gap:16px;display:flex}.blog__card{background:#fff;border-radius:3px;padding:24px;text-decoration:none;transition:box-shadow .2s;display:block;box-shadow:0 1px 3px #00000014}.blog__card:hover{box-shadow:0 2px 8px #0000001f}.blog__card-title{color:#1a1a1a;margin:0 0 8px;font-size:1.2rem;font-weight:700}.blog__card-desc{color:#6b7280;margin:0 0 12px;font-size:.95rem;line-height:1.5}.blog__card-date{color:#9ca3af;font-size:.85rem}.blog__post-title{margin:0 0 8px;font-size:1.8rem;font-weight:700;line-height:1.3}.blog__post-date{color:#9ca3af;margin:0;font-size:.9rem}.blog__content{margin-top:32px}.blog__section{margin-bottom:32px}.blog__section-heading{color:#1a1a1a;margin:0 0 12px;font-size:1.3rem;font-weight:700}.blog__section-body{color:#374151;margin:0 0 8px;font-size:1rem;line-height:1.7}.blog__hero-image{margin-bottom:32px}.blog__section-image{margin-top:20px}.blog__intro{border-bottom:1px solid #e5e7eb;margin-bottom:40px;padding-bottom:32px}.blog__list-ul{color:#374151;margin:0 0 8px;padding-left:24px;font-size:1rem;line-height:1.7}.blog__table-wrap{margin:0 0 8px;overflow-x:auto}.blog__table{border-collapse:collapse;color:#374151;width:100%;font-size:.95rem;line-height:1.6}.blog__table th,.blog__table td{text-align:left;border:1px solid #e5e7eb;padding:10px 14px}.blog__table th{color:#1a1a1a;background:#f9fafb;font-weight:600}.blog__table tbody tr:nth-child(2n){background:#fafafa}.blog__blockquote{color:#374151;background:#fef2f2;border-left:4px solid #dc2626;border-radius:0 6px 6px 0;margin:0 0 8px;padding:12px 20px;font-size:1rem;line-height:1.7}.blog__cta{text-align:center;background:linear-gradient(#dc2626 0%,#b91c1c 40%,#7f1d1d 100%);border-radius:10px;margin-top:48px;padding:32px 24px}.blog__cta-text{color:#fff;margin:0 0 16px;font-size:1.1rem;font-weight:600}.blog__cta-btn{color:var(--color-accent);background:#fff;border-radius:3px;padding:12px 32px;font-size:1rem;font-weight:700;text-decoration:none;display:inline-block}.hanzi-practice__audio-help{margin:8px 0 12px;padding:0}.dr-reader-help{color:#6b625c;margin:8px 0 12px;padding:0 14px;font-size:13px;font-weight:400;line-height:1.55}.dr-reader-help--words{margin:0 0 16px;padding:0}.dr-reader-help--words a{color:#b91c1c;text-underline-offset:3px;text-decoration:underline}.dr-reader-help--words a:focus-visible{outline-offset:3px;outline:2px solid #b91c1c}.dr-reader-help--focus{text-align:left;max-width:560px;margin:0;padding:0}.coach-layer{z-index:1000;pointer-events:none;color:#242424;font-family:inherit;font-size:14px;line-height:1.5;position:fixed;inset:0}.coach-backdrop{pointer-events:auto;position:absolute;inset:0}.coach-spotlight{pointer-events:none;border:2px solid #fff;border-radius:10px;position:fixed;box-shadow:0 0 0 9999px #12121261,0 0 0 4px #ffffff40}.coach-tooltip{overscroll-behavior:contain;pointer-events:auto;text-align:left;background:#fff;border:1px solid #ece8e5;border-radius:16px;width:min(336px,100vw - 24px);max-height:calc(100dvh - 24px);padding:16px 20px 8px;position:fixed;overflow-y:auto;box-shadow:0 12px 40px #0000002e}.coach-tooltip__arrow{pointer-events:none;background:#fff;width:16px;height:16px;position:fixed;transform:translate(-50%,-50%)rotate(45deg)}.coach-tooltip__header{align-items:center;gap:12px;min-height:44px;margin:-8px -12px 8px 0;display:flex}.coach-tooltip__eyebrow{color:#6b625c;flex:1;font-size:12px;font-weight:500}.coach-tooltip__counter{color:#3b3632;font-variant-numeric:tabular-nums;white-space:nowrap;font-size:12px;font-weight:600}.coach-tooltip__counter span{color:#8a817b;font-weight:400}.coach-tooltip__title{letter-spacing:-.25px;color:#242424;margin:0 0 8px;font-size:18px;font-weight:650;line-height:1.3}.coach-tooltip__text{color:#625b56;margin:0 0 20px;font-size:14px;line-height:1.55}.coach-tooltip__actions{justify-content:flex-end;align-items:center;gap:10px;margin-top:20px;display:flex}.coach-tooltip button{cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:8px;min-height:44px;font-family:inherit;font-size:14px;line-height:1.25}.coach-tooltip button:focus-visible{outline-offset:3px;outline:2px solid #242424}.coach-tooltip__btn{color:#fff;background:#dc2626;border:1px solid #dc2626;justify-content:center;align-items:center;gap:8px;padding:10px 18px;font-weight:600;display:inline-flex}.coach-tooltip__btn:hover{background:#c62020;border-color:#c62020}.coach-tooltip__btn:active{background:#b91c1c}.coach-tooltip__back{color:#4b4541;background:#fff;border:1px solid #e6e0dc;margin-right:auto;padding:10px 12px}.coach-tooltip__back:disabled{color:#a8a19b;cursor:default;border-color:#eeeae7}.coach-tooltip__back:not(:disabled):hover{background:#f6f4f2}.coach-tooltip__close{color:#6b625c;background:0 0;border:0;flex-shrink:0;place-items:center;width:44px;padding:0;display:grid}.coach-tooltip__close:hover{color:#242424;background:#f6f4f2}.coach-tooltip__skip{color:#736a64;background:0 0;border:0;width:100%;margin-top:8px;padding:10px 4px;display:block}.coach-tooltip__skip:hover{color:#242424;background:#f6f4f2}@media print{.coach-layer{display:none!important}}.drp{max-width:480px;margin:0 auto;padding:8px 0}.drp__progress-wrap{margin-bottom:14px}.drp__progress-bar{background:#e0e0e6;border-radius:4px;height:4px}.drp__progress-fill{border-radius:4px;height:100%;transition:width .4s}.drp__chat{flex-direction:column;gap:6px;margin-bottom:16px;padding:8px 0;display:flex}.drp__bubble{border:2px solid #0000;border-radius:12px;max-width:85%;padding:8px 14px;transition:border-color .2s,opacity .2s}.drp__bubble--a{background:#f0f9ff;align-self:flex-start;margin-right:36px}.drp__bubble--b{background:#fff;border:2px solid #e0e0e6;align-self:flex-end;margin-left:36px}.drp__bubble-inner{align-items:baseline;gap:6px;display:flex}.drp__bubble-speaker{text-transform:uppercase;letter-spacing:1px;flex-shrink:0;font-size:12px;font-weight:700}.drp__bubble-text{color:#1a1a2e;font-size:21px;font-weight:600;line-height:1.5}.drp__mic-area{padding:14px 0 env(safe-area-inset-bottom);z-index:10;background:#f5f5f5;border-top:1px solid #e5e5e5;position:sticky;bottom:0}.drp__prompt{text-align:center;background:#fef3c7;border-radius:10px;margin-bottom:12px;padding:10px 14px}.drp__btn{color:#fff;cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;border-radius:3px;width:100%;padding:14px 0;font-family:inherit;font-size:15px;font-weight:700}@media (max-width:600px){.drp{max-width:none;margin-left:calc(-1 * (var(--spacing-xl) + 10px));margin-right:calc(-1 * (var(--spacing-xl) + 10px));padding-left:12px;padding-right:12px}.drp__bubble{max-width:88%}}.grammar-sample{background:radial-gradient(circle at 0 0,#facc1524,#0000 28%),radial-gradient(circle at 100% 0,#0ea5e924,#0000 32%),linear-gradient(#f8fafc 0%,#f3f4f6 100%)}.riqi-sample-hero{color:#fff;background:linear-gradient(135deg,#0f172a 0%,#1d4ed8 45%,#7c3aed 100%);width:100vw;margin-left:-50vw;margin-right:-50vw;padding:18px 0 36px;position:relative;left:50%;right:50%;overflow:hidden}.riqi-sample-hero__mesh{opacity:.65;background:radial-gradient(circle at 20% 20%,#facc1533,#0000 18%),radial-gradient(circle at 80% 30%,#f472b62e,#0000 22%),linear-gradient(#ffffff14 1px,#0000 1px) 0 0/26px 26px,linear-gradient(90deg,#ffffff14 1px,#0000 1px) 0 0/26px 26px;position:absolute;inset:0}.riqi-sample-hero__top,.riqi-sample-hero__content{z-index:1;max-width:920px;margin:0 auto;padding:0 32px;position:relative}.riqi-sample-hero__top{justify-content:space-between;align-items:center;display:flex}.riqi-sample-hero__back{color:#fff;background:#ffffff1f}.riqi-sample-hero__content{padding-top:22px}.riqi-sample-hero__eyebrow{letter-spacing:.12em;text-transform:uppercase;background:#ffffff1f;border-radius:999px;align-items:center;min-height:28px;padding:4px 12px;font-size:12px;display:inline-flex}.riqi-sample-hero__title{letter-spacing:-.04em;margin:14px 0 10px;font-size:clamp(2.2rem,6vw,4.2rem);line-height:.95}.riqi-sample-hero__subtitle{color:#ffffffd1;font-size:clamp(1rem,2vw,1.3rem);font-weight:700}.riqi-sample-hero__deck{color:#ffffffdb;max-width:640px;margin:16px 0 0;font-size:1rem;line-height:1.65}.riqi-sample-layout{grid-template-columns:1.1fr .9fr;align-items:start;gap:16px;margin-top:20px;display:grid}.riqi-sample-panel{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffe6;border:1px solid #ffffffb3;border-radius:18px;padding:18px;box-shadow:0 16px 50px #0f172a14}.riqi-sample-panel--composer{position:sticky;top:88px}.riqi-sample-panel__label{color:#3730a3;letter-spacing:.08em;text-transform:uppercase;background:#e0e7ff;border-radius:999px;align-items:center;min-height:26px;padding:3px 10px;font-size:12px;font-weight:700;display:inline-flex}.riqi-sample-panel__body{color:#475569;margin:14px 0 0;line-height:1.7}.riqi-sample-rule{flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;display:flex}.riqi-sample-rule__month,.riqi-sample-rule__day,.riqi-sample-rule__week{text-transform:uppercase;letter-spacing:.06em;border-radius:12px;align-items:center;min-height:38px;padding:8px 14px;font-weight:800;display:inline-flex}.riqi-sample-rule__month{color:#1d4ed8;background:#dbeafe}.riqi-sample-rule__day{color:#dc2626;background:#fee2e2}.riqi-sample-rule__week{color:#7c3aed;background:#ede9fe}.riqi-sample-rule__arrow{color:#94a3b8;font-size:22px}.riqi-sample-signal-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:16px;display:grid}.riqi-sample-signal{background:#f8fafc;border-radius:14px;flex-direction:column;gap:6px;padding:14px 12px;display:flex}.riqi-sample-signal strong{color:#0f172a;font-size:1.1rem}.riqi-sample-signal span{color:#64748b;font-size:.9rem}.riqi-sample-composer{margin-top:16px}.riqi-sample-composer__controls{gap:14px;display:grid}.riqi-sample-composer__field{gap:7px;display:grid}.riqi-sample-composer__field span{color:#475569;font-size:13px;font-weight:700}.riqi-sample-composer__field select,.riqi-sample-composer__field input{width:100%}.riqi-sample-composer__field select{min-height:44px;font:inherit;color:#0f172a;background:#fff;border:1px solid #cbd5e1;border-radius:10px;padding:0 12px}.riqi-sample-composer__field strong{color:#0f172a}.riqi-sample-composer__play{color:#fff;width:100%;min-height:46px;font:inherit;cursor:pointer;background:linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);border:none;border-radius:12px;margin-top:14px;font-weight:700}.riqi-sample-composer__output{color:#fff;background:linear-gradient(#0f172a 0%,#1e293b 100%);border-radius:16px;margin-top:14px;padding:18px}.riqi-sample-composer__zh{letter-spacing:-.03em;font-size:1.9rem;font-weight:800}.riqi-sample-composer__py{color:#93c5fd;margin-top:8px;font-style:italic}.riqi-sample-composer__tr{color:#ffffffc7;margin-top:10px}.riqi-sample-stack{gap:10px;margin-top:16px;display:grid}.riqi-sample-line{text-align:left;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:14px;align-items:flex-start;gap:12px;width:100%;padding:14px;display:flex}.riqi-sample-line__tag{color:#2563eb;background:#eff6ff;border-radius:12px;justify-content:center;align-items:center;min-width:40px;min-height:40px;font-size:12px;font-weight:800;display:inline-flex}.riqi-sample-line__main{gap:4px;display:grid}.riqi-sample-line__zh{color:#0f172a;font-size:1.2rem;font-weight:700}.riqi-sample-line__py{color:#2563eb;font-style:italic}.riqi-sample-line__tr{color:#64748b}.riqi-sample-mistakes{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:16px;display:grid}.riqi-sample-mistake{border-radius:16px;padding:16px}.riqi-sample-mistake--bad{color:#be123c;background:#fff1f2}.riqi-sample-mistake--good{color:#15803d;background:#ecfdf5}.riqi-sample-mistake__title{letter-spacing:.12em;text-transform:uppercase;font-size:11px;font-weight:800}.riqi-sample-mistake__zh{letter-spacing:-.03em;margin-top:10px;font-size:1.5rem;font-weight:800}.riqi-sample-mistake__note{margin-top:8px;font-size:.92rem;line-height:1.55}@media (max-width:900px){.riqi-sample-layout{grid-template-columns:1fr}.riqi-sample-panel--composer{position:static}}@media (max-width:600px){.riqi-sample-hero__top,.riqi-sample-hero__content{padding:0 12px}.riqi-sample-layout{gap:12px;margin-top:12px}.riqi-sample-panel{border-radius:14px;padding:14px}.riqi-sample-signal-grid,.riqi-sample-mistakes{grid-template-columns:1fr}.riqi-sample-hero__title{font-size:2.5rem}.riqi-sample-composer__zh{font-size:1.55rem}}.riqi-swipe{background:radial-gradient(circle at top,#3b82f61f,#0000 30%),linear-gradient(#f8fafc 0%,#eef2ff 100%)}.riqi-swipe__shell{max-width:760px;margin:0 auto}.riqi-swipe__topbar{align-items:center;gap:12px;margin-bottom:12px;display:flex}.riqi-swipe__meta{flex:1;min-width:0}.riqi-swipe__meta-title{color:#0f172a;font-size:.95rem;font-weight:800}.riqi-swipe__meta-sub{color:#64748b;font-size:.82rem}.riqi-swipe__progress{background:#94a3b82e;border-radius:999px;height:8px;overflow:hidden}.riqi-swipe__progress-bar{border-radius:inherit;background:linear-gradient(90deg,#2563eb 0%,#7c3aed 100%);height:100%;transition:width .2s}.riqi-swipe__viewport{padding:18px 0 10px}.riqi-swipe-card{background:#fff;border:1px solid #ffffffb3;border-radius:3px;min-height:560px;padding:28px;box-shadow:0 24px 70px #0f172a1f}.riqi-swipe-card--blue{background:radial-gradient(circle at 100% 0,#3b82f61f,#0000 26%),#fff}.riqi-swipe-card--red{background:radial-gradient(circle at 100% 0,#ef44441f,#0000 26%),#fff}.riqi-swipe-card--violet{background:radial-gradient(circle at 100% 0,#7c3aed1f,#0000 26%),#fff}.riqi-swipe-card--amber{background:radial-gradient(circle at 100% 0,#f59e0b24,#0000 26%),#fff}.riqi-swipe-card__eyebrow{color:#4338ca;letter-spacing:.12em;text-transform:uppercase;background:#eef2ff;border-radius:999px;align-items:center;min-height:28px;padding:4px 12px;font-size:12px;font-weight:800;display:inline-flex}.riqi-swipe-card__title{letter-spacing:-.05em;color:#0f172a;margin:18px 0 14px;font-size:clamp(2rem,5vw,3.4rem);line-height:.95}.riqi-swipe-card__body{color:#475569;max-width:44ch;font-size:1rem;line-height:1.8}.riqi-swipe-card__chips{flex-wrap:wrap;gap:10px;margin-top:18px;display:flex}.riqi-swipe-card__chips span{color:#0f172a;background:#f8fafc;border-radius:999px;align-items:center;min-height:36px;padding:6px 12px;font-weight:700;display:inline-flex}.riqi-swipe-card__audio{color:#fff;min-height:44px;font:inherit;cursor:pointer;background:#0f172a;border:none;border-radius:3px;margin-top:18px;padding:0 16px;font-weight:700}.riqi-swipe-card__formula{color:#0f172a;background:#f8fafc;border-radius:3px;align-items:center;min-height:44px;padding:8px 14px;font-size:1rem;font-weight:800;display:inline-flex}.riqi-swipe-card__example{text-align:left;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:3px;gap:5px;width:100%;margin-top:18px;padding:18px;display:grid}.riqi-swipe-card__example-zh{color:#0f172a;font-size:1.45rem;font-weight:800}.riqi-swipe-card__example-py{color:#2563eb;font-style:italic}.riqi-swipe-card__example-tr{color:#64748b}.riqi-swipe-card__contrast{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:18px;display:grid}.riqi-swipe-card__contrast-box{border-radius:3px;gap:8px;padding:18px;display:grid}.riqi-swipe-card__contrast-box strong{letter-spacing:.12em;text-transform:uppercase;font-size:12px}.riqi-swipe-card__contrast-box span{letter-spacing:-.04em;font-size:1.45rem;font-weight:800}.riqi-swipe-card__contrast-box--bad{color:#be123c;background:#fff1f2}.riqi-swipe-card__contrast-box--good{color:#15803d;background:#ecfdf5}.riqi-swipe-card__prompt{color:#0f172a;margin-bottom:16px;font-size:1.15rem;font-weight:700}.riqi-swipe-card__options{gap:10px;display:grid}.riqi-swipe-card__option{color:#0f172a;width:100%;min-height:52px;font:inherit;cursor:pointer;background:#fff;border:1px solid #dbeafe;border-radius:3px;font-weight:700}.riqi-swipe-card__option--selected{background:#eff6ff;border-color:#93c5fd}.riqi-swipe-card__option--correct{background:#ecfdf5;border-color:#86efac}.riqi-swipe-card__option--wrong{background:#fff1f2;border-color:#fecdd3}.riqi-swipe-card__feedback{color:#475569;background:#f8fafc;border-radius:3px;margin-top:14px;padding:14px}.riqi-swipe-card__recap{gap:12px;display:grid}.riqi-swipe-card__recap-item{color:#0f172a;background:#f8fafc;border-radius:3px;padding:16px 18px;font-weight:700;line-height:1.6}.riqi-swipe__controls{gap:12px;margin-top:8px;display:flex}.riqi-swipe__nav{min-height:48px;font:inherit;cursor:pointer;border-radius:14px;flex:1;font-weight:800}.riqi-swipe__nav:disabled{opacity:.45;cursor:default}.riqi-swipe__nav--ghost{color:#0f172a;background:#fff;border:1px solid #cbd5e1}.riqi-swipe__nav--solid{color:#fff;background:linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);border:none}@media (max-width:600px){.riqi-swipe-card{border-radius:22px;min-height:500px;padding:20px}.riqi-swipe-card__contrast{grid-template-columns:1fr}}.riqi-polished{background:radial-gradient(circle at 0 0,#2563eb1f,#0000 30%),radial-gradient(circle at 100% 0,#f472b61f,#0000 28%),linear-gradient(#f8fafc 0%,#f1f5f9 100%)}.riqi-polished__hero{margin-bottom:18px}.riqi-polished__hero-top{align-items:flex-start;gap:14px;display:flex}.riqi-polished__back{margin-top:2px}.riqi-polished__hero-meta{flex:1;min-width:0}.riqi-polished__eyebrow{color:#1d4ed8;letter-spacing:.12em;text-transform:uppercase;background:#dbeafe;border-radius:999px;align-items:center;min-height:28px;padding:4px 12px;font-size:12px;font-weight:800;display:inline-flex}.riqi-polished__title{letter-spacing:-.05em;color:#0f172a;margin:14px 0 8px;font-size:clamp(2.2rem,6vw,4rem);line-height:.92}.riqi-polished__subtitle{color:#64748b;margin:0;font-size:1rem}.riqi-polished__progress{background:#94a3b82e;border-radius:999px;height:8px;margin-top:16px;overflow:hidden}.riqi-polished__progress-bar{border-radius:inherit;background:linear-gradient(90deg,#2563eb 0%,#7c3aed 100%);height:100%;transition:width .22s}.riqi-polished__map{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.riqi-polished__map-dot{color:#64748b;min-width:38px;min-height:38px;font:inherit;cursor:pointer;background:#ffffffe6;border:1px solid #dbeafe;border-radius:999px;font-weight:800}.riqi-polished__map-dot--active{color:#fff;background:#0f172a;border-color:#0000}.riqi-polished__stage{margin-top:16px}.riqi-polished-card{-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffeb;border:1px solid #ffffffe6;border-radius:3px;flex-direction:column;min-height:520px;padding:28px;display:flex;box-shadow:0 22px 80px #0f172a1f}.riqi-polished-card--rule{background:radial-gradient(circle at 100% 0,#2563eb1a,#0000 25%),#fffffff0}.riqi-polished-card--example{background:radial-gradient(circle at 100% 0,#7c3aed1a,#0000 25%),#fffffff0}.riqi-polished-card--contrast{background:radial-gradient(circle at 100% 0,#f59e0b24,#0000 26%),#fffffff0}.riqi-polished-card--practice{background:radial-gradient(circle at 100% 0,#10b9811f,#0000 26%),#fffffff0}.riqi-polished-card--recap{background:radial-gradient(circle at 100% 0,#ef44441f,#0000 26%),#fffffff0}.riqi-polished-card__meta{align-items:center;gap:10px;display:flex}.riqi-polished-card__header{flex:none}.riqi-polished-card__main{flex-direction:column;flex:auto;justify-content:center;gap:18px;padding:8px 0 18px;display:flex}.riqi-polished-card__footer{flex-direction:column;flex:none;gap:14px;padding-top:8px;display:flex}.riqi-polished-card__step{color:#fff;background:#0f172a;border-radius:3px;justify-content:center;align-items:center;min-width:42px;min-height:42px;font-size:14px;font-weight:800;display:inline-flex}.riqi-polished-card__kicker{letter-spacing:.12em;text-transform:uppercase;color:#64748b;font-size:12px;font-weight:800}.riqi-polished-card__title{letter-spacing:-.05em;color:#0f172a;max-width:10ch;margin:0;font-size:clamp(2rem,5vw,3.2rem);line-height:.95}.riqi-polished-card__formula{color:#0f172a;background:#f8fafc;border-radius:3px;align-self:flex-start;align-items:center;min-height:44px;padding:8px 14px;font-size:1rem;font-weight:800;display:inline-flex}.riqi-polished-card__sentence{text-align:left;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:3px;justify-self:start;gap:5px;width:min(100%,520px);padding:18px;display:grid}.riqi-polished-card__sentence-zh{color:#0f172a;font-size:1.5rem;font-weight:800}.riqi-polished-card__sentence-py{color:#2563eb;font-style:italic}.riqi-polished-card__sentence-tr{color:#64748b}.riqi-polished-card__contrast{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;width:min(100%,640px);display:grid}.riqi-polished-card__contrast-box{border-radius:3px;gap:8px;padding:18px;display:grid}.riqi-polished-card__contrast-box strong{letter-spacing:.12em;text-transform:uppercase;font-size:12px}.riqi-polished-card__contrast-box span{letter-spacing:-.04em;font-size:1.45rem;font-weight:800}.riqi-polished-card__contrast-box--bad{color:#be123c;background:#fff1f2}.riqi-polished-card__contrast-box--good{color:#15803d;background:#ecfdf5}.riqi-polished-card__prompt{color:#0f172a;max-width:24ch;font-size:1.1rem;font-weight:700}.riqi-polished-card__options{gap:10px;width:min(100%,540px);display:grid}.riqi-polished-card__option{color:#0f172a;width:100%;min-height:52px;font:inherit;cursor:pointer;background:#fff;border:1px solid #dbeafe;border-radius:3px;font-weight:700}.riqi-polished-card__option--selected{background:#eff6ff;border-color:#93c5fd}.riqi-polished-card__option--correct{background:#ecfdf5;border-color:#86efac}.riqi-polished-card__option--wrong{background:#fff1f2;border-color:#fecdd3}.riqi-polished-card__bullets{gap:12px;width:min(100%,620px);display:grid}.riqi-polished-card__bullet{color:#0f172a;background:#f8fafc;border-radius:3px;padding:16px 18px;font-weight:700;line-height:1.6}.riqi-polished-card__body{color:#475569;max-width:44ch;margin:0;line-height:1.8}.riqi-polished-card__note{color:#0f172a;background:#f8fafc;border-radius:999px;align-self:flex-start;align-items:center;min-height:36px;padding:6px 12px;font-weight:700;display:inline-flex}.riqi-polished-card--rule .riqi-polished-card__main,.riqi-polished-card--example .riqi-polished-card__main,.riqi-polished-card--practice .riqi-polished-card__main{text-align:center;align-items:center}.riqi-polished-card--rule .riqi-polished-card__title,.riqi-polished-card--example .riqi-polished-card__title,.riqi-polished-card--practice .riqi-polished-card__title{max-width:12ch}.riqi-polished-card--rule .riqi-polished-card__formula,.riqi-polished-card--example .riqi-polished-card__formula,.riqi-polished-card--practice .riqi-polished-card__formula{align-self:center}.riqi-polished-card--rule .riqi-polished-card__sentence,.riqi-polished-card--example .riqi-polished-card__sentence,.riqi-polished-card--practice .riqi-polished-card__sentence{justify-self:center}.riqi-polished-card--practice .riqi-polished-card__prompt{text-align:center;max-width:26ch}.riqi-polished-card--practice .riqi-polished-card__options{width:min(100%,500px)}.riqi-polished-card--rule .riqi-polished-card__footer,.riqi-polished-card--example .riqi-polished-card__footer,.riqi-polished-card--practice .riqi-polished-card__footer{align-items:center}.riqi-polished-card--rule .riqi-polished-card__body,.riqi-polished-card--example .riqi-polished-card__body,.riqi-polished-card--practice .riqi-polished-card__body{text-align:center}.riqi-polished-card--rule .riqi-polished-card__note,.riqi-polished-card--example .riqi-polished-card__note,.riqi-polished-card--practice .riqi-polished-card__note{align-self:center}.riqi-polished-card--contrast .riqi-polished-card__main,.riqi-polished-card--recap .riqi-polished-card__main{justify-content:flex-start}.riqi-polished__nav{gap:12px;margin-top:10px;display:flex}.riqi-polished__nav-btn{min-height:48px;font:inherit;cursor:pointer;border-radius:3px;flex:1;font-weight:800}.riqi-polished__nav-btn:disabled{opacity:.45;cursor:default}.riqi-polished__nav-btn--ghost{color:#0f172a;background:#fff;border:1px solid #cbd5e1}.riqi-polished__nav-btn--solid{color:#fff;background:linear-gradient(135deg,#2563eb 0%,#7c3aed 100%);border:none}@media (max-width:600px){.riqi-polished-card{border-radius:22px;min-height:480px;padding:20px}.riqi-polished-card__main{justify-content:flex-start;padding:14px 0 18px}.riqi-polished-card__title{max-width:none}.riqi-polished-card__contrast{grid-template-columns:1fr}}.shenme-polished{background:radial-gradient(circle at 0 0,#dc26261a,#0000 28%),radial-gradient(circle at 100% 0,#3b82f61f,#0000 28%),linear-gradient(#f8fafc 0%,#f3f4f6 100%)}.shenme-polished__hero{margin-bottom:18px}.shenme-polished__hero-top{align-items:flex-start;gap:14px;display:flex}.shenme-polished__back{margin-top:2px}.shenme-polished__hero-meta{flex:1;min-width:0}.shenme-polished__eyebrow{color:#b91c1c;letter-spacing:.12em;text-transform:uppercase;background:#fee2e2;border-radius:999px;align-items:center;min-height:28px;padding:4px 12px;font-size:12px;font-weight:800;display:inline-flex}.shenme-polished__title{letter-spacing:-.05em;color:#0f172a;margin:14px 0 8px;font-size:clamp(2.2rem,6vw,4rem);line-height:.92}.shenme-polished__subtitle{color:#64748b;margin:0;font-size:1rem}.shenme-polished__progress{background:#94a3b82e;border-radius:999px;height:8px;margin-top:16px;overflow:hidden}.shenme-polished__progress-bar{border-radius:inherit;background:linear-gradient(90deg,#dc2626 0%,#2563eb 100%);height:100%;transition:width .22s}.shenme-polished__map{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.shenme-polished__map-dot{color:#64748b;min-width:38px;min-height:38px;font:inherit;cursor:pointer;background:#ffffffeb;border:1px solid #fecaca;border-radius:999px;font-weight:800}.shenme-polished__map-dot--active{color:#fff;background:#0f172a;border-color:#0000}.shenme-polished__stage{margin-top:16px}.shenme-polished-card{background:#fffffff0;border:1px solid #ffffffe6;border-radius:3px;flex-direction:column;min-height:565px;padding:28px;display:flex;box-shadow:0 22px 80px #0f172a1f}.shenme-polished-card--rule{background:radial-gradient(circle at 100% 0,#dc262614,#0000 24%),#fffffff2}.shenme-polished-card--example{background:radial-gradient(circle at 100% 0,#3b82f61a,#0000 24%),#fffffff2}.shenme-polished-card--contrast{background:radial-gradient(circle at 100% 0,#f59e0b1f,#0000 25%),#fffffff2}.shenme-polished-card--practice{background:radial-gradient(circle at 100% 0,#2563eb1a,#0000 25%),#fffffff2}.shenme-polished-card--recap{background:radial-gradient(circle at 100% 0,#16a34a1a,#0000 25%),#fffffff2}.shenme-polished-card__header{flex:none}.shenme-polished-card__meta{align-items:center;gap:10px;display:flex}.shenme-polished-card__step{color:#fff;background:#0f172a;border-radius:3px;justify-content:center;align-items:center;min-width:42px;min-height:42px;font-size:14px;font-weight:800;display:inline-flex}.shenme-polished-card__kicker{letter-spacing:.12em;text-transform:uppercase;color:#64748b;font-size:12px;font-weight:800}.shenme-polished-card__main{text-align:center;flex-direction:column;flex:auto;justify-content:center;align-items:center;gap:18px;padding:8px 0 18px;display:flex}.shenme-polished-card__footer{flex-direction:column;flex:none;align-items:center;gap:14px;padding-top:8px;display:flex}.shenme-polished-card__title{letter-spacing:-.03em;color:#0f172a;text-wrap:balance;margin:0;font-size:clamp(1.6rem,4vw,2.6rem);line-height:1.2}.shenme-polished-card__title-stack{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:18px;width:100%;max-width:520px;margin:0 auto;display:flex}.shenme-polished-card__title-translation{color:#64748b;text-align:center;width:100%;font-size:clamp(1.25rem,2.8vw,1.75rem);font-weight:500;display:block}.shenme-polished-card__ruby-title{color:#0f172a;letter-spacing:-.04em;flex-wrap:wrap;justify-content:center;align-items:flex-end;gap:.08em;max-width:100%;font-size:clamp(2.4rem,7vw,4rem);font-weight:800;line-height:1.3;display:flex;position:relative}.shenme-polished-card__ruby-title ruby{flex-direction:column-reverse;align-items:center;line-height:1;display:inline-flex}.shenme-polished-card__ruby-title rt{color:#2563eb;letter-spacing:0;margin-bottom:.22em;font-size:.28em;font-style:italic;font-weight:600}.shenme-polished-card__ruby-punct{margin-left:-.04em;line-height:1;display:inline-block;transform:translate(.04em)}.shenme-polished-card__ruby-title>.shenme-polished-card__ruby-punct:last-child{margin-right:-.9em}.shenme-polished-card__ruby-glyph-group{white-space:nowrap;align-items:flex-end;display:inline-flex}.shenme-polished-card__title-scene{width:min(100%,303px)}.shenme-polished-card__title-scene-image{object-fit:cover;border:1px solid #dbeafe;border-radius:3px;width:100%;height:auto;display:block;box-shadow:0 18px 40px #2563eb1f}.shenme-polished-card__formula{color:#0f172a;background:#f8fafc;border-radius:3px;align-items:center;min-height:44px;padding:8px 14px;font-size:1rem;font-weight:800;display:inline-flex}.shenme-polished-card__illustration{width:min(100%,560px);padding:6px 0 0}.shenme-polished-card__illustration-image{object-fit:cover;border:1px solid #dbeafe;border-radius:3px;width:100%;height:auto;display:block;box-shadow:0 18px 40px #2563eb1f}.shenme-polished-card__sentence{text-align:center;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:3px;justify-items:center;gap:6px;width:min(100%,520px);padding:18px;display:grid}.shenme-polished-card__sentence-zh{color:#0f172a;font-size:1.5rem;font-weight:800}.shenme-polished-card__sentence-py{color:#2563eb;font-style:italic}.shenme-polished-card__sentence-tr{color:#64748b}.shenme-polished-card__contrast{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;width:min(100%,620px);display:grid}.shenme-polished-card__contrast-box{border-radius:3px;gap:8px;padding:18px;display:grid}.shenme-polished-card__contrast-box strong{letter-spacing:.12em;text-transform:uppercase;font-size:12px}.shenme-polished-card__contrast-box span{letter-spacing:-.04em;font-size:1.45rem;font-weight:800}.shenme-polished-card__contrast-box--bad{color:#be123c;background:#fff1f2}.shenme-polished-card__contrast-box--good{color:#15803d;background:#ecfdf5}.shenme-polished-card__prompt{color:#0f172a;max-width:24ch;font-size:1.1rem;font-weight:700}.shenme-polished-card__audio-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#dc2626 0%,#b91c1c 100%);border:none;border-radius:50%;justify-content:center;align-items:center;width:96px;height:96px;transition:transform .15s,box-shadow .15s;display:inline-flex;box-shadow:0 12px 32px #dc262659}.shenme-polished-card__audio-btn:hover,.shenme-polished-card__audio-btn:active{transform:scale(1.05);box-shadow:0 16px 40px #dc262673}.shenme-polished-card__audio-btn svg{margin-left:4px}.shenme-polished-card__audio-hint{color:#64748b;text-align:center;font-size:clamp(1rem,2vw,1.15rem);font-weight:500}.shenme-polished-card__questions{flex-direction:column;gap:10px;width:100%;display:flex}.shenme-polished-card__question{text-align:left;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:3px;gap:2px;padding:12px 16px;transition:border-color .15s,transform .15s;display:grid}.shenme-polished-card__question:hover{border-color:#fecaca;transform:translateY(-1px)}.shenme-polished-card__question-zh{color:#0f172a;font-size:1.3rem;font-weight:700}.shenme-polished-card__question-py{color:#2563eb;font-size:.9rem;font-style:italic}.shenme-polished-card__question-tr{color:#64748b;font-size:.95rem}.shenme-polished-card__options{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;width:100%;margin-top:auto;display:grid}@media (max-width:520px){.shenme-polished-card__options{grid-template-columns:1fr}}.shenme-polished-card__option{color:#0f172a;width:100%;min-height:52px;font:inherit;cursor:pointer;background:#fff;border:1px solid #dbeafe;border-radius:3px;font-weight:700}.shenme-polished-card__option--selected{background:#eff6ff;border-color:#93c5fd}.shenme-polished-card__option--correct{background:#ecfdf5;border-color:#86efac}.shenme-polished-card__option--wrong{background:#fff1f2;border-color:#fecdd3}.shenme-polished-card__bullets{gap:12px;width:min(100%,620px);display:grid}.shenme-polished-card__bullet{color:#0f172a;background:#f8fafc;border-radius:3px;padding:16px 18px;font-weight:700;line-height:1.6}.shenme-polished-card__body{text-align:center;color:#475569;max-width:42ch;margin:0;line-height:1.8}.shenme-polished-card__note{color:#0f172a;background:#f8fafc;border-radius:999px;align-items:center;min-height:36px;padding:6px 12px;font-weight:700;display:inline-flex}.shenme-polished-card--scene .shenme-polished-card__body{white-space:normal;text-align:center;max-width:52ch;margin:0 auto}.shenme-polished-card--scene .shenme-polished-card__main{justify-content:flex-start;align-items:center;gap:18px;padding-top:56px}.shenme-polished-card--rule.shenme-polished-card--scene .shenme-polished-card__main{justify-content:center;padding-top:0}.shenme-polished-card--scene .shenme-polished-card__ruby-title{min-height:1.4em}.shenme-polished-card__title-stack{text-align:center}.shenme-polished-card--scene .shenme-polished-card__title{text-align:center;letter-spacing:-.04em;width:100%;font-size:clamp(1.9rem,5.5vw,3rem);font-weight:800;line-height:1}.shenme-polished-card--this .shenme-polished-card__title-scene,.shenme-polished-card--that .shenme-polished-card__title-scene{width:min(100%,520px);margin:0 auto}.shenme-polished-card--pattern .shenme-polished-card__main{text-align:center;justify-content:center;align-items:center;gap:18px;padding:8px 0 18px}.shenme-polished-card--pattern .shenme-polished-card__title{white-space:nowrap;text-wrap:nowrap;max-width:22ch}.shenme-polished-card--pattern .shenme-polished-card__formula{border-radius:3px;align-self:center;min-height:56px;padding:14px 18px;font-size:clamp(1.15rem,2vw,1.45rem)}.shenme-polished-card--pattern .shenme-polished-card__footer{align-items:center;gap:18px;padding-top:0}.shenme-polished-card--pattern .shenme-polished-card__body{text-align:center;max-width:52ch;font-size:1.05rem}.shenme-polished-card--pattern .shenme-polished-card__note{white-space:normal;border-radius:3px;align-self:center;max-width:60ch;min-height:0;padding:12px 16px;line-height:1.5}.shenme-polished__nav{gap:12px;margin-top:10px;display:flex}.shenme-polished__nav-btn{min-height:48px;font:inherit;cursor:pointer;border-radius:3px;flex:1;font-weight:800}.shenme-polished__nav-btn:disabled{opacity:.45;cursor:default}.shenme-polished__nav-btn--ghost{color:#0f172a;background:#fff;border:1px solid #cbd5e1}.shenme-polished__nav-btn--solid{color:#fff;background:linear-gradient(135deg,#dc2626 0%,#2563eb 100%);border:none}@media (max-width:600px){.shenme-polished-card{border-radius:3px;min-height:565px;padding:20px}.shenme-polished-card__title{max-width:none}.shenme-polished-card__ruby-title{font-size:clamp(1.9rem,9vw,3rem)}.shenme-polished-card--scene .shenme-polished-card__body{white-space:normal}.shenme-polished-card__title-stack{gap:12px;max-width:100%}.shenme-polished-card--this .shenme-polished-card__title-scene,.shenme-polished-card--that .shenme-polished-card__title-scene{width:min(100%,380px)}.shenme-polished-card__title-translation{font-size:clamp(1.1rem,4vw,1.5rem)}.shenme-polished-card--scene .shenme-polished-card__title{text-wrap:balance}.shenme-polished-card--pattern .shenme-polished-card__title{white-space:normal;text-wrap:balance}.shenme-polished-card--pattern .shenme-polished-card__main{gap:18px;padding-top:18px}.shenme-polished-card--pattern .shenme-polished-card__formula{justify-content:center;width:100%}.shenme-polished-card__contrast{grid-template-columns:1fr}}.scramble{flex-direction:column;gap:20px;width:100%;padding:8px 0;display:flex}.scramble__prompt{text-align:center;color:#475569;font-size:clamp(1.1rem,3.5vw,1.35rem);font-weight:600}.scramble__answer{background:#f8fafc;border:2px dashed #cbd5e1;border-radius:14px;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;min-height:84px;padding:14px 12px;transition:border-color .16s,background .16s;display:flex}.scramble__answer--correct{background:#f0fdf4;border-style:solid;border-color:#16a34a}.scramble__answer--wrong{background:#fef2f2;border-style:solid;border-color:#dc2626;animation:.36s scrambleShake}@keyframes scrambleShake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.scramble__answer-placeholder{color:#94a3b8;font-size:.9rem;font-style:italic}.scramble__pool{flex-wrap:wrap;justify-content:center;gap:8px;min-height:68px;display:flex}.scramble__token{color:#0f172a;cursor:pointer;-webkit-tap-highlight-color:transparent;background:#fff;border:1.5px solid #e2e8f0;border-radius:10px;flex-direction:column;align-items:center;gap:2px;min-height:52px;padding:8px 14px;font-family:inherit;transition:transform .12s,border-color .12s,box-shadow .12s,background .12s;display:inline-flex;box-shadow:0 1px 2px #0f172a0a}.scramble__token:hover:not(:disabled){border-color:#94a3b8;transform:translateY(-1px)}.scramble__token:active:not(:disabled){transform:translateY(0)}.scramble__token--used{visibility:hidden;pointer-events:none}.scramble__token:disabled{cursor:default}.scramble__token-py{color:#2563eb;min-height:.72rem;font-size:.72rem;font-style:italic;line-height:1}.scramble__token-zh{color:#0f172a;font-size:1.3rem;font-weight:600;line-height:1.15}.scramble__token-zh--punct{transform:translate(.18em)}.shenme-polished-card__meaning-body{color:#475569;text-align:center;white-space:pre-line;max-width:42ch;margin:16px auto 0;font-size:clamp(1rem,2.8vw,1.15rem);line-height:1.55}.shenme-polished-card--meaning .shenme-polished-card__main,.shenme-polished-card--meaning-2 .shenme-polished-card__main,.shenme-polished-card--meaning-3 .shenme-polished-card__main,.shenme-polished-card--example .shenme-polished-card__main{justify-content:center;padding-top:0}.scramble__feedback{justify-content:center;align-items:center;min-height:44px;display:flex}.scramble__reset{color:#dc2626;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:1.5px solid #dc2626;border-radius:999px;padding:8px 18px;font-family:inherit;font-size:.9rem;font-weight:600}.scramble__reset:hover{background:#fef2f2}.scramble__success{color:#16a34a;font-size:1rem;font-weight:700}.tb-left__item-wrap{margin-bottom:6px;position:relative}.tb-left__item-wrap--dragging{opacity:.42}.tb-left__item-wrap--drop-target:before{content:"";background:#2f2533;border-radius:999px;height:3px;position:absolute;top:-4px;left:8px;right:8px;box-shadow:0 0 0 3px #2f253314}.tb-left__item-wrap:has(.tb-left__menu){z-index:30}.tb-left__folder{margin-bottom:6px}.tb-left__folder-header{background:#f1f3f5;border:1px solid #e6e8eb;border-radius:6px;align-items:center;gap:4px;padding:4px 6px 4px 2px;display:flex}.tb-left__folder-header--active{background:#e8eefc;border-color:#c7d6f7}.tb-left__folder-caret{color:#5f5864;cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;display:inline-flex}.tb-left__folder-caret:hover{background:#0f172a0f}.tb-left__folder-title{color:#2f2835;background:0 0;border:none;border-radius:4px;flex:1;min-width:0;padding:4px;font-size:13px;font-weight:700}.tb-left__folder-title:focus{background:#fff;outline:none;box-shadow:inset 0 0 0 1px #c7d6f7}.tb-left__folder-count{color:#64748b;background:#e2e8f0;border-radius:9px;flex-shrink:0;justify-content:center;align-items:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:700;display:inline-flex}.tb-left__folder-audio{color:#16a34a;flex-shrink:0;font-size:10px}.tb-left__folder-del{color:#94a3b8;cursor:pointer;background:0 0;border:none;border-radius:4px;flex-shrink:0;width:22px;height:22px;font-size:16px;line-height:1}.tb-left__folder-del:hover{color:#dc2626;background:#fee2e2}.tb-left__folder-questions{border-left:2px solid #e6e8eb;margin:6px 0 0 11px;padding:0 0 0 16px;list-style:none}.tb-left__folder-questions:empty{display:none}.tb-left__section-add{text-align:left;color:#64748b;cursor:pointer;background:0 0;border:1px dashed #cbd5e1;border-radius:6px;width:100%;padding:7px 10px;font-size:13px;font-weight:600}.tb-left__section-add:hover{color:#475569;background:#f8fafc;border-color:#94a3b8}.tb-left__forward-toggle{cursor:pointer;align-items:flex-start;gap:8px;padding:6px 4px 2px;display:flex}.tb-left__forward-toggle-title{color:#475569;font-size:12px;font-weight:600;display:block}.tb-left__forward-toggle-hint{color:#94a3b8;font-size:11px;line-height:1.3;display:block}.tb-left__folder--over .tb-left__folder-header{background:#e8eefc;box-shadow:inset 0 0 0 2px #2f6feb}.tb-left__unsectioned-questions{margin:0;padding:0;list-style:none}.tb-left__unsectioned--over{border-radius:6px;box-shadow:inset 0 0 0 2px #2f6feb}.tb-left__unsectioned-hint{text-align:center;color:#94a3b8;border:1px dashed #cbd5e1;border-radius:6px;margin:4px 0 6px;padding:10px 8px;font-size:12px}.tb-left__item{cursor:pointer;text-align:left;color:#1c1626;background:0 0;border:none;border-radius:3px;align-items:center;gap:10px;width:100%;padding:12px 34px 12px 12px;font-size:13px;font-weight:650;line-height:1.35;transition:box-shadow .12s,background .12s;display:flex}.tb-left__item--active{background:#f8f8f5;box-shadow:0 1px 2px #2f283524,0 2px 6px #2f28351f}.tb-left__item-left{flex-shrink:0;align-items:center;gap:4px;display:flex}.tb-left__item-num{background:#ffffffc2;border-radius:6px;justify-content:center;align-items:center;min-width:18px;height:18px;font-size:12px;font-weight:850;display:inline-flex}.tb-left__item-title{white-space:nowrap;text-overflow:ellipsis;color:#0f172a;flex:1;overflow:hidden}.tb-left__item-title--empty{color:#94a3b8;font-style:italic}.tb-left__item-more{cursor:pointer;color:#b0b0b0;opacity:0;background:0 0;border:none;border-radius:8px;justify-content:center;align-items:center;width:24px;height:24px;transition:opacity .1s,background .1s;display:flex;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.tb-left__item-wrap:hover .tb-left__item-more{opacity:1}.tb-left__item-more:hover{color:#2f2533;background:#f4f1ee}.tb-left__menu{z-index:120;overscroll-behavior:contain;background:#fff;border:2px solid #e8e4df;border-radius:3px;min-width:128px;max-height:calc(100vh - 16px);padding:7px;position:fixed;overflow-y:auto;box-shadow:0 12px 32px #2f28351f}.tb-left__menu-item{color:#6b6470;cursor:pointer;width:100%;min-height:36px;font:inherit;text-align:left;background:0 0;border:none;border-radius:3px;align-items:center;gap:10px;padding:7px 9px;font-size:14px;display:flex}.tb-left__menu-item:hover{color:#2f2533;background:#f7f4f1}.tb-left__menu-item--danger{color:#b84a35}.tb-left__menu-item--danger:hover{color:#a43724;background:#fff1ed}.tb-left__menu-icon{flex-shrink:0;justify-content:center;align-items:center;width:22px;display:inline-flex}.tb-left__menu-icon>svg{width:22px;height:22px}.tb-left__add-item{cursor:pointer;text-align:left;color:#1c1626;background:0 0;border:none;border-radius:10px;align-items:center;gap:10px;padding:10px;font-size:13px;font-weight:500;transition:background .1s;display:flex}.tb-left__add-item:hover{background:#f7f4f1}.tb-left__add-icon{border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:22px;font-size:11px;font-weight:700;display:inline-flex}.tb-toolbar{z-index:80;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fbfaf8e0;border-bottom:1px solid #ded8d1;flex-shrink:0;grid-template-columns:auto minmax(140px,1fr) auto;align-items:center;gap:12px;min-height:48px;padding:10px 18px;display:grid;position:relative;overflow:visible}.tb-toolbar__left,.tb-toolbar__right{align-items:center;gap:6px;min-width:0;display:flex}.tb-toolbar__right{justify-content:flex-end}.tb-toolbar__center{justify-content:flex-end;align-items:center;gap:4px;display:flex}.tb-toolbar__btn{cursor:pointer;color:#475569;white-space:nowrap;background:0 0;border:none;border-radius:3px;align-items:center;gap:6px;padding:9px 15px;font-size:13px;font-weight:600;transition:background .1s;display:inline-flex}.tb-toolbar__btn:hover{background:#0000000a}.tb-toolbar__btn--primary{color:#fff;background:#2f2533;border-radius:3px}.tb-toolbar__btn--primary:hover{background:#1f1722}.tb-toolbar__icon-btn{cursor:pointer;color:#94a3b8;background:0 0;border:none;border-radius:3px;justify-content:center;align-items:center;width:34px;height:34px;transition:background .1s,color .1s;display:inline-flex}.tb-toolbar__icon-btn:hover{color:#475569;background:#0000000a}.tb-toolbar__icon-btn--active{color:#2f2533;background:#fff;box-shadow:0 1px 2px #2f283514}.tb-toolbar__mode{background:#fff;border:1px solid #d8d2cc;border-radius:7px;align-items:stretch;height:34px;padding:3px;display:inline-flex;box-shadow:0 1px 2px #2f28350f}.tb-toolbar__mode-btn{color:#6b6470;cursor:pointer;background:0 0;border:none;border-radius:3px;padding:0 10px;font-family:inherit;font-size:13px;font-weight:800}.tb-toolbar__mode-btn--active{color:#fff;background:#2f2533}.tb-toolbar__preview-btn{color:#2f2533;cursor:pointer;white-space:nowrap;background:#fff;border:1px solid #d8d2cc;border-radius:3px;justify-content:center;align-items:center;gap:8px;height:34px;padding:0 14px;font-size:13px;font-weight:800;text-decoration:none;display:inline-flex;box-shadow:0 1px 2px #2f28350f}.tb-toolbar__preview-btn:hover{background:#f7f4f1}.tb-toolbar__preview-btn:disabled{color:#aaa3ad;cursor:not-allowed;box-shadow:none;background:#f4f2f4;border-color:#e4ded8}.tb-toolbar__preview-btn:disabled:hover{background:#f4f2f4}.tb-toolbar__sep{background:#e2e8f0;width:1px;height:20px;margin:0 4px}.tb-canvas--mobile{background:#fff;width:100%;min-height:100%;scrollbar-width:none!important;-ms-overflow-style:none!important}.tb-canvas--mobile::-webkit-scrollbar{display:none!important}.tb-canvas--mobile .tb-preview-wrap{scrollbar-width:none!important;-ms-overflow-style:none!important;width:372px!important;max-width:none!important;padding:0!important}.tb-canvas--mobile .tb-preview-wrap::-webkit-scrollbar{display:none!important}.tb-canvas--mobile .tb-preview-card{scrollbar-width:none!important;-ms-overflow-style:none!important;background:#fff!important;border:1px solid #e4ded8!important;border-radius:3px!important;width:372px!important;max-width:100%!important;height:663px!important;min-height:663px!important;padding:30px 26px!important;overflow-y:auto!important;box-shadow:0 14px 36px #2f283514!important}.tb-canvas--mobile .tb-preview-card::-webkit-scrollbar{display:none!important}.tb-canvas--mobile .tb-preview-meta{flex-wrap:wrap!important;gap:8px!important;margin-bottom:22px!important;font-size:11px!important}.tb-canvas--mobile .tb-preview-card:not(.tb-preview-card--mobile-centered) .tb-preview-title{font-size:var(--test-title-size,30px)!important;margin-bottom:14px!important;line-height:1.14!important}@media (max-width:980px){.tb-toolbar{grid-template-columns:auto 1fr auto;padding-inline:12px}.tb-toolbar__btn{padding-inline:11px}}.test-preview-shell{background:#fff;flex-direction:column;min-height:100vh;display:flex}.test-preview-toolbar{z-index:80;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#ffffffeb;border:1px solid #2f28351f;border-radius:999px;gap:4px;padding:4px;display:inline-flex;position:fixed;top:14px;left:50%;transform:translate(-50%);box-shadow:0 12px 34px #2f28351f}.test-preview-toolbar__icon-btn{color:#6b6470;cursor:pointer;background:0 0;border:none;border-radius:999px;justify-content:center;align-items:center;width:34px;height:34px;font-size:22px;font-weight:850;display:inline-flex}.test-preview-toolbar__icon-btn--active{color:#fff;background:#2f2533}.test-preview-toolbar__sep{background:#ece7e1;align-self:center;width:1px;height:22px}.test-preview-frame{flex:1;min-width:0}.test-preview-shell--desktop .test-player__inner{max-width:1120px!important}.test-preview-shell--desktop .test-player-screen{padding:36px 18px!important}.test-preview-shell--desktop .test-player-screen__card{box-sizing:border-box!important;scrollbar-width:none!important;-ms-overflow-style:none!important;border:1px solid #e4ded8!important;border-radius:3px!important;width:1120px!important;max-width:100%!important;height:620px!important;min-height:620px!important;overflow-y:auto!important}.test-preview-shell--desktop .test-player-screen__card::-webkit-scrollbar{display:none!important}.test-player-screen__card--with-collector .test-player-screen__content{justify-self:center;width:min(100%,420px);min-width:0}.test-player-screen__card--with-collector .test-player-screen__collector{width:100%;min-width:0}.test-player-screen__card[data-test-device=desktop].test-player-screen__card--align-left,.test-player-screen__card[data-test-device=desktop].test-player-screen__card--align-right{flex-direction:row!important;justify-content:stretch!important;align-items:stretch!important;padding:0!important}.test-player-screen__card[data-test-device=desktop].test-player-screen__card--align-left .test-player-screen__content,.test-player-screen__card[data-test-device=desktop].test-player-screen__card--align-right .test-player-screen__content{box-sizing:border-box;min-width:0;text-align:center!important;flex-direction:column!important;justify-content:center!important;align-items:center!important;width:50%!important;max-width:50%!important;margin:0!important;padding:32px!important;display:flex!important}.test-player-screen__card[data-test-device=desktop].test-player-screen__card--align-left .test-player-screen__content{order:0}.test-player-screen__card[data-test-device=desktop].test-player-screen__card--align-right .test-player-screen__content{order:1}.test-player-screen__card[data-test-device=desktop] .test-player-screen__media{background-position:50%;background-repeat:no-repeat;background-size:cover;flex-shrink:0;width:50%;min-width:0}.test-player-screen__card[data-test-device=desktop].test-player-screen__card--align-left .test-player-screen__media{order:1}.test-player-screen__card[data-test-device=desktop].test-player-screen__card--align-right .test-player-screen__media{order:0}.test-player-screen__card[data-test-device=mobile] .test-player-screen__media{display:none!important}.test-player [lang=zh],.test-player-screen [lang=zh],.tb-preview-card [lang=zh]{font-family:var(--test-theme-font-family,system-ui), "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif}.test-player [lang=ja],.test-player-screen [lang=ja],.tb-preview-card [lang=ja]{font-family:var(--test-theme-font-family,system-ui), "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", "Noto Sans CJK JP", "Noto Sans JP", sans-serif}.test-player [lang=ko],.test-player-screen [lang=ko],.tb-preview-card [lang=ko]{font-family:var(--test-theme-font-family,system-ui), "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans CJK KR", "Noto Sans KR", sans-serif}.test-player [lang=ar],.test-player-screen [lang=ar],.tb-preview-card [lang=ar]{font-family:var(--test-theme-font-family,system-ui), "Geeza Pro", "Noto Sans Arabic", "Segoe UI", "Tahoma", sans-serif}.test-player-screen__branding{background:var(--test-theme-button,#1c3aa1);color:var(--test-theme-button-text,#fff);letter-spacing:.01em;border-radius:6px;justify-content:center;align-self:center;align-items:center;margin-top:32px;padding:12px 28px;font-size:15px;font-weight:700;text-decoration:none;display:inline-flex}.test-player-screen__branding:hover{opacity:.9}.test-preview-shell--desktop .test-player__card{box-sizing:border-box!important;width:1120px!important;max-width:100%!important;min-height:620px!important;box-shadow:none!important;scrollbar-width:none!important;-ms-overflow-style:none!important;background:#fff!important;border:1px solid #e4ded8!important;border-radius:3px!important}.test-preview-shell--desktop .test-player__card:not(.test-scroll__item){height:620px!important;overflow-y:auto!important}.test-preview-shell--desktop .test-player__card::-webkit-scrollbar{display:none!important}.test-preview-shell--desktop .test-player__card--no-media{flex-direction:column!important;justify-content:center!important;display:flex!important}.test-preview-shell--mobile .test-preview-frame{background:#fff;width:372px;max-width:100%;min-height:100vh;margin:0 auto}.test-preview-shell--mobile .test-player,.test-preview-shell--mobile .test-player-screen{min-height:100svh!important;padding:93px 0 calc(132px + env(safe-area-inset-bottom,0px))!important;background:#fff!important;justify-content:flex-start!important;align-items:center!important;overflow-y:auto!important}.test-preview-shell--mobile .test-player__blob{display:none!important}.test-preview-shell--mobile .test-player__inner{flex-direction:column!important;justify-content:flex-start!important;align-items:center!important;width:372px!important;max-width:100%!important;min-height:auto!important;display:flex!important}.test-preview-shell--mobile .test-player__card{box-sizing:border-box!important;scrollbar-width:none!important;-ms-overflow-style:none!important;width:372px!important;max-width:100%!important;min-height:663px!important;box-shadow:none!important;background:#fff!important;border:1px solid #e4ded8!important;border-radius:3px!important;flex-direction:column!important;justify-content:safe center!important;padding:30px 26px 152px!important;display:flex!important}.test-preview-shell--mobile .test-player__card:not(.test-scroll__item){height:663px!important;overflow-y:auto!important}.test-preview-shell--mobile .test-player__card::-webkit-scrollbar{display:none!important}.test-preview-shell--mobile .test-player__title{width:var(--test-mobile-preview-column,min(100%, 303px))!important;letter-spacing:-.2px!important;color:#000!important;max-width:100%!important;margin:0!important;font-size:16px!important;font-weight:400!important;line-height:1.3!important}.test-preview-shell--mobile .test-player__description{width:var(--test-mobile-preview-column,min(100%, 303px))!important;color:#333!important;overflow-wrap:anywhere!important;max-width:100%!important;margin:0!important;font-size:15px!important;font-weight:400!important;line-height:1.4!important}.test-preview-shell--mobile .qmedia-header,.test-preview-shell--mobile .qmedia-answer{width:var(--test-mobile-preview-column,min(100%, 303px))!important;max-width:100%!important;margin-inline:auto!important}.test-preview-shell--mobile{--test-mobile-preview-column:min(100%, 480px)}.test-preview-shell--mobile .test-player__title,.test-preview-shell--mobile .test-player__description,.test-preview-shell--mobile .qmedia-header,.test-preview-shell--mobile .qmedia-answer,.test-preview-shell--mobile .test-player__card--type-match .qmedia-answer,.test-preview-shell--mobile .test-player__card--type-match .qmedia-header,.test-preview-shell--mobile .test-player__card--type-match .test-player__title{box-sizing:border-box!important;width:var(--test-mobile-preview-column)!important;min-width:0!important;max-width:100%!important;margin-inline:auto!important}.test-preview-shell .test-player__card .qmedia-asset,.test-preview-shell .test-player__card .qmedia-asset img,.test-preview-shell .test-player__card .qmedia-asset iframe{border-radius:3px!important}.test-preview-shell--mobile .test-player__nav{left:50%!important;right:auto!important;bottom:env(safe-area-inset-bottom,0px)!important;z-index:80!important;width:min(372px,100vw - 24px)!important;max-width:calc(100vw - 24px)!important;padding:14px 0 calc(12px + env(safe-area-inset-bottom,0px))!important;background:linear-gradient(#fff0,#fff 18%)!important;gap:10px!important;margin:0!important;position:fixed!important;transform:translate(-50%)!important}.test-preview-shell--mobile .test-player__progress{justify-content:center!important;align-items:center!important;min-width:52px!important;font-size:13px!important;display:flex!important}.test-preview-shell--mobile .test-player__nav button{border-radius:3px!important;flex:1 1 0!important;min-height:48px!important;font-size:15px!important}.test-preview-shell--mobile .test-player-screen>div{box-sizing:border-box!important;scrollbar-width:none!important;-ms-overflow-style:none!important;border:1px solid #e4ded8!important;border-radius:7px!important;width:372px!important;max-width:100%!important;height:663px!important;min-height:663px!important;padding:30px 26px!important;overflow-y:auto!important}.test-preview-shell--mobile .test-player-screen>div::-webkit-scrollbar{display:none!important}@media (max-width:640px){.test-player{min-height:100svh!important;padding:24px 24px calc(132px + env(safe-area-inset-bottom,0px))!important;background:#fff!important;justify-content:safe center!important;align-items:safe center!important;overflow-y:auto!important}.test-player__blob{display:none!important}.test-player__inner{max-width:none!important;min-height:0!important;display:block!important}.test-player__card{--test-mobile-column:min(100%, 480px);width:100%!important;box-shadow:none!important;background:0 0!important;border:none!important;border-radius:0!important;padding:0!important}.test-player__card .test-player__title,.test-player__card .test-player__description,.test-player__card .qmedia-header,.test-player__card .qmedia-answer,.test-player__card .qmedia-audio-top>.qmedia-asset,.test-player__card .qmedia-audio-player{box-sizing:border-box!important;width:var(--test-mobile-column)!important;max-width:100%!important;margin-inline:auto!important}.test-player__meta{flex-wrap:wrap!important;gap:8px!important;margin-bottom:18px!important;font-size:11px!important}.test-player__title{letter-spacing:-.2px!important;margin:0!important;font-size:16px!important;line-height:1.3!important}.test-player__card .test-player__description{margin:0!important;font-size:15px!important;line-height:1.4!important}.test-player__nav{left:12px!important;right:12px!important;bottom:env(safe-area-inset-bottom,0px)!important;z-index:80!important;padding:14px 0 calc(12px + env(safe-area-inset-bottom,0px))!important;background:linear-gradient(#fff0,#fff 18%)!important;gap:10px!important;margin:0!important;position:fixed!important}.test-player__progress{justify-content:center!important;align-items:center!important;min-width:52px!important;font-size:13px!important;display:flex!important}.test-player__nav button{border-radius:3px!important;flex:1!important;min-height:48px!important;font-size:15px!important}.test-player--wallpaper-active .test-player__nav{background:0 0!important}.test-player--wallpaper-active .test-player__nav button{border-radius:3px!important}.test-player-screen{min-height:100svh!important;padding:12px!important}.test-player-screen>div{border-left:none!important;border-right:none!important;border-radius:0!important;width:100%!important;min-height:calc(100svh - 24px)!important;padding:36px 22px!important}}.test-gallery-trash{opacity:0;transition:opacity .12s}.test-gallery-cell:hover .test-gallery-trash,.test-gallery-trash:focus-visible{opacity:1}.dialogues__tag{transition:background .18s var(--ease-out-quart), border-color .18s var(--ease-out-quart), color .18s var(--ease-out-quart), transform .1s var(--ease-out-quart)}.dialogues__tag:active{transform:scale(.96)}@media (hover:hover){.dialogues__tag:not(.dialogues__tag--active):hover{border-color:var(--color-accent);color:var(--color-accent)}}.lp__hsk-pill{transition:background .18s var(--ease-out-quart), border-color .18s var(--ease-out-quart), color .18s var(--ease-out-quart), transform .1s var(--ease-out-quart)}.lp__hsk-pill:not(.lp__hsk-pill--active):not(.lp__hsk-pill--disabled):active{transform:scale(.96)}@media (hover:hover){.lp__hsk-pill:not(.lp__hsk-pill--active):not(.lp__hsk-pill--disabled):hover{border-color:var(--color-accent);color:var(--color-accent)}}.lp__tab{transition:background .15s var(--ease-out-quart), color .15s var(--ease-out-quart), transform .1s var(--ease-out-quart)}.lp__tab:active{transform:scale(.94)}.dialogue-card,.lp__writing-card{transition:transform .2s var(--ease-out-quart), box-shadow .2s var(--ease-out-quart);will-change:transform}@media (hover:hover){.dialogue-card:hover,.lp__writing-card:not(.lp__writing-card--soon):hover{transform:translateY(-3px);box-shadow:0 8px 20px #0000001f}}.dialogue-card:active,.lp__writing-card:not(.lp__writing-card--soon):active{transform:translateY(-1px)scale(.995)}.dialogue-card__bookmark{transition:color .15s var(--ease-out-quart), transform .12s var(--ease-out-quart)}.dialogue-card__bookmark:active{transform:scale(.85)}.dialogue-card__bookmark--active{animation:bookmark-pop .28s var(--ease-out-quint)}@keyframes bookmark-pop{0%{transform:scale(.7)}55%{transform:scale(1.18)}to{transform:scale(1)}}.home__menu-btn{transition:transform .1s var(--ease-out-quart)}.home__menu-btn:active{transform:scale(.92)}.dialogues__search-input{transition:box-shadow .18s var(--ease-out-quart)}@media (prefers-reduced-motion:reduce){.dialogues__tag,.lp__hsk-pill,.lp__tab,.dialogue-card,.lp__writing-card,.dialogue-card__bookmark,.home__menu-btn,.dialogues__search-input{transition-duration:.01ms}.dialogue-card:hover,.lp__writing-card:hover,.dialogue-card:active,.lp__writing-card:active,.dialogues__tag:active,.lp__hsk-pill:active,.lp__tab:active,.home__menu-btn:active,.dialogue-card__bookmark:active{transform:none}.dialogue-card__bookmark--active{animation:none}}.dlg-preview{padding-bottom:96px}.dlg-intro{padding:14px 18px 6px}.dlg-category{text-transform:uppercase;letter-spacing:.6px;color:#b91c1c;margin:0 0 4px;font-size:12px;font-weight:700}.dlg-intro__title{color:#1a1a1a;margin:0 0 8px;font-size:20px;font-weight:700;line-height:1.25}.dlg-desc{color:#444;background:#fff;border-radius:12px;margin:0 -14px;padding:12px 14px;font-size:15px;line-height:1.6;box-shadow:0 6px 18px #0000001a}.dlg-teaser{flex-direction:column;gap:10px;margin-top:6px;padding:4px 18px;display:flex}.dlg-bubble{max-width:82%;padding:10px 14px;font-size:18px;line-height:1.45;box-shadow:0 3px 10px #0000001a}.dlg-bubble--a{color:#1a1a1a;background:#fff;border-radius:14px 14px 14px 4px;align-self:flex-start;margin-left:-14px}.dlg-bubble--b{color:#1a1a1a;background:#fdeaea;border-radius:14px 14px 4px;align-self:flex-end;margin-right:-14px}.dlg-read-cta{color:#fff;cursor:pointer;background:#b91c1c;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:14px;font-size:16px;font-weight:600;text-decoration:none;display:flex}.dlg-read-cta:disabled{opacity:.7;cursor:default}.dlg-read-cta--float{left:50%;bottom:calc(16px + env(safe-area-inset-bottom));z-index:80;width:min(100% - 32px,560px);position:fixed;transform:translate(-50%);box-shadow:0 4px 16px #0000002e}.dlg-vocab{margin:8px 0 16px;padding:0;list-style:none}.dlg-vocab__row{border-bottom:.5px solid #eee;align-items:baseline;gap:10px;padding:10px 18px;display:flex}.dlg-vocab__zh{min-width:2.5em;font-size:18px}.dlg-vocab__py{color:#888;flex:1;font-size:13px}.dlg-vocab__mean{color:#333;text-align:right;font-size:14px}.fc-quiz{flex-direction:column;gap:18px;width:100%;max-width:520px;margin:0 auto;padding:8px 16px 0;display:flex}.fc-quiz__prompt{background:#fff;border:1px solid #e0e0e6;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:6px;min-height:150px;padding:28px 20px;display:flex;position:relative;box-shadow:0 4px 20px #0000000f}.fc-quiz__hanzi{color:#1a1a2e;font-size:2.8em;font-weight:300;line-height:1.1}.fc-quiz__pinyin{color:#dc2626;font-size:1em}.fc-quiz__audio{cursor:pointer;background:0 0;border:none;font-size:1.3em;position:absolute;bottom:12px;right:12px}.fc-quiz__options{flex-direction:column;gap:10px;display:flex}.fc-quiz__option{color:#1a1a2e;text-align:center;cursor:pointer;background:#fff;border:1px solid #e0e0e6;border-radius:8px;width:100%;padding:14px 16px;font-family:inherit;font-size:15px;font-weight:600;transition:background .15s,border-color .15s}.fc-quiz__option:disabled{cursor:default}.fc-quiz__option--correct{color:#15803d;background:#dcfce7;border-color:#16a34a}.fc-quiz__option--wrong{color:#b91c1c;background:#fee2e2;border-color:#dc2626}.fc-quiz__bigplay{color:#fff;cursor:pointer;background:#dc2626;border:none;border-radius:50%;justify-content:center;align-items:center;width:84px;height:84px;padding-left:4px;display:flex;box-shadow:0 4px 16px #dc26264d}.fc-quiz__bigplay:disabled{cursor:default}.fc-quiz__spinner{border:3px solid #fff6;border-top-color:#fff;border-radius:50%;width:30px;height:30px;animation:.8s linear infinite spin}.fc-quiz__meaning{color:#1a1a2e;text-align:center;font-size:1.6em;font-weight:600;line-height:1.25}.fc-quiz__option--pinyin{font-size:1.2em}.fc-quiz__prompt-meaning{color:#6b7177;text-align:center;font-size:1.05em}.fc-quiz__answer{text-align:center;color:#15803d;font-size:1.2em;font-weight:600}.fc-kb__answer{text-align:center;color:#1a1a2e;letter-spacing:.05em;white-space:pre;border-bottom:2px solid #e0e0e6;min-height:1.4em;padding-bottom:8px;font-size:1.7em}.fc-kb__answer--correct{color:#15803d;border-color:#16a34a}.fc-kb__answer--wrong{color:#b91c1c;border-color:#dc2626}.fc-kb__keys{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.fc-tile{color:#1a1a2e;cursor:pointer;touch-action:manipulation;background:#fff;border:1px solid #e0e0e6;border-radius:8px;justify-content:center;align-items:center;width:48px;height:48px;font-family:inherit;font-size:1.3em;line-height:1;display:inline-flex}.fc-tile:disabled{cursor:default;opacity:.5}.fc-tile.fc-tile--used{opacity:.3;background:#f1f3f5;border-color:#ececef}.fc-tile--back{color:#6b7177}@keyframes fc-slidein{0%{opacity:0;transform:translate(18px)}to{opacity:1;transform:none}}.fc-quiz{animation:.24s both fc-slidein}@keyframes fc-pop{0%{transform:scale(1)}40%{transform:scale(1.06)}to{transform:scale(1)}}@keyframes fc-shake{10%,90%{transform:translate(-1px)}20%,80%{transform:translate(3px)}30%,50%,70%{transform:translate(-5px)}40%,60%{transform:translate(5px)}}.fc-quiz__option--correct,.fc-kb__answer--correct{animation:.32s fc-pop}.fc-quiz__option--wrong,.fc-kb__answer--wrong{animation:.4s fc-shake}.ar-fc__progress-bar{transition:width .3s}.fc-confetti{pointer-events:none;z-index:60;position:fixed;inset:0;overflow:hidden}.fc-confetti__p{border-radius:2px;animation-name:fc-fall;animation-timing-function:linear;animation-fill-mode:forwards;position:absolute;top:-16px}@keyframes fc-fall{to{transform:translateY(108vh) rotate(var(--rot));opacity:.85}}@media (prefers-reduced-motion:reduce){.fc-quiz,.fc-quiz__option--correct,.fc-quiz__option--wrong,.fc-kb__answer--correct,.fc-kb__answer--wrong,.fc-confetti__p{animation:none}}.dr-flip__save{color:#dc2626;cursor:pointer;background:#fff;border:1.5px solid #dc2626;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;transition:background .15s,color .15s,border-color .15s;display:inline-flex;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.dr-flip__save:after{content:"";position:absolute;inset:-6px}.dr-flip__save--done{color:#fff;background:#dc2626;border-color:#dc2626}.dr-flip__play{color:#fff;cursor:pointer;background:#dc2626;border:1.5px solid #dc2626;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;padding:0;transition:opacity .15s;display:inline-flex;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.dr-flip__play:after{content:"";position:absolute;inset:-6px}.dr-flip__play:disabled{opacity:.45;cursor:default}.lp__vocab-btn{width:100%;margin-top:calc(4px - var(--spacing-lg));color:#dc2626;background:#fff;border:1px solid #eee;border-radius:3px;align-items:center;gap:8px;margin-bottom:12px;padding:11px 14px;font-size:15px;font-weight:600;text-decoration:none;display:flex;box-shadow:0 1px 3px #0000000d}.lp__vocab-btn--hsk{margin-top:12px;margin-bottom:4px}.lp__vocab-btn span:not(.lp__vocab-btn-count){color:#333}.lp__vocab-btn-count{color:#fff;background:#dc2626;border-radius:999px;justify-content:center;align-items:center;min-width:22px;height:22px;margin-left:auto;padding:0 7px;font-size:12px;font-weight:700;display:inline-flex}.vocab-review{max-width:900px;padding:0 16px calc(80px + env(safe-area-inset-bottom));min-height:100vh;margin:0 auto}.vr-header{justify-content:space-between;align-items:center;padding:14px 0;display:flex}.vr-back{color:#333;border-radius:8px;justify-content:center;align-items:center;width:40px;height:40px;text-decoration:none;display:inline-flex}.vr-title{color:#222;margin:0;font-size:18px;font-weight:700}.vr-empty{text-align:center;color:#666;flex-direction:column;align-items:center;gap:16px;padding:64px 20px;display:flex}.vr-cta{color:#fff;background:#dc2626;border-radius:8px;padding:10px 20px;font-weight:600;text-decoration:none;display:inline-block}button.vr-cta{cursor:pointer;font-family:inherit;font-size:inherit;border:0}.vr-spinner{border:3px solid #eee;border-top-color:#dc2626;border-radius:50%;width:28px;height:28px;animation:.8s linear infinite spin}.vr-deck{flex-direction:column;align-items:center;gap:20px;padding-top:12px;display:flex}.vr-sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.vr-counter{color:#666;font-size:14px;font-weight:600}.vr-card{aspect-ratio:1;perspective:1200px;cursor:pointer;touch-action:pan-y;-webkit-user-select:none;user-select:none;width:100%;max-width:380px}.vr-card__inner{width:100%;height:100%;transform-style:preserve-3d;transition:transform .45s;position:relative}.vr-card--flipped .vr-card__inner{transform:rotateY(180deg)}.vr-card__face{backface-visibility:hidden;background:#fff;border:1px solid #eee;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:20px;display:flex;position:absolute;inset:0;box-shadow:0 4px 16px #00000014}.vr-card__back{transform:rotateY(180deg)}.vr-card__py{color:#dc2626;font-size:18px;font-style:italic;position:absolute;top:50%;transform:translateY(-58px)}.vr-card__zh{color:#111;font-size:52px;line-height:1.1}.vr-card__hint{color:#666;font-size:12px;position:absolute;bottom:12px}.vr-card__meaning{color:#222;text-align:center;font-size:26px}.vr-controls{align-items:center;gap:16px;display:flex}.vr-nav{color:#333;cursor:pointer;background:#f1f1f1;border:none;border-radius:50%;justify-content:center;align-items:center;width:52px;height:52px;display:inline-flex}.vr-nav:disabled{opacity:.4;cursor:default}.vr-remove{color:#dc2626;cursor:pointer;background:#fff;border:1px solid #eee;border-radius:999px;align-items:center;gap:6px;padding:10px 16px;font-size:14px;font-weight:600;display:inline-flex}.hska{flex-direction:column;gap:16px;padding:4px 2px;display:flex}.lks{flex-direction:column;gap:12px;display:flex}.lks__bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex}.lks__note{color:var(--muted,#64748b);margin:0;font-size:13px;line-height:1.5}.lks__totals{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin:0;display:grid}.lks__totals>div{border:1px solid var(--line,#e2e8f0);background:var(--sheet,#fff);border-radius:6px;padding:10px 12px}.lks__totals dt{color:var(--muted,#64748b);font-size:12px}.lks__totals dd{font-variant-numeric:tabular-nums;margin:2px 0 0;font-size:22px;font-weight:600}.lks__table td:nth-child(n+4):not(:last-child),.lks__table th:nth-child(n+4):not(:last-child){text-align:right;font-variant-numeric:tabular-nums}.lks__zh{font-size:18px}.lks__py{color:var(--muted,#64748b);font-size:13px}.hska__modes{background:#f1f5f9;border-radius:10px;gap:4px;width:fit-content;padding:4px;display:inline-flex}.hska__mode{color:#475569;cursor:pointer;background:0 0;border:none;border-radius:7px;padding:7px 20px;font-size:14px;font-weight:600}.hska__mode--on{color:#0f172a;background:#fff;box-shadow:0 1px 3px #00000014}.hska__inputrow{align-items:stretch;gap:10px;display:flex}.hska__inputrow--text{flex-direction:column}.hska__input,.hska__textarea{border:1.5px solid #e2e8f0;border-radius:10px;outline:none;flex:1;padding:12px 14px;font-family:inherit;font-size:15px}.hska__input:focus,.hska__textarea:focus{border-color:#dc2626}.hska__textarea{resize:vertical;line-height:1.6}.hska__go{color:#fff;cursor:pointer;background:#dc2626;border:none;border-radius:10px;align-self:flex-end;min-height:46px;padding:0 26px;font-size:14px;font-weight:700}.hska__go:disabled{opacity:.45;cursor:default}.hska__legend{color:#475569;flex-wrap:wrap;align-items:center;gap:6px;margin:0;font-size:12.5px;display:flex}.hska__b{border-radius:6px;justify-content:center;align-items:center;min-width:26px;height:20px;padding:0 6px;font-size:12px;font-weight:700;display:inline-flex}.hska__b--a{color:#15803d;background:#dcfce7}.hska__b--b{color:#1d4ed8;background:#dbeafe}.hska__b--c{color:#b45309;background:#fef3c7}.hska__b--d{color:#b91c1c;background:#fee2e2}.hska__b--off{color:#475569;background:#f1f5f9}.hska__headline{background:#fff;border:1px solid #eef2f7;border-radius:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;display:flex}.hska__headline-main{align-items:center;gap:14px;display:flex}.hska__headline-num{color:#dc2626;text-align:center;min-width:56px;font-size:40px;font-weight:800;line-height:1}.hska__headline-lbl{color:#475569;font-size:13px;line-height:1.4}.hska__headline-lbl em{color:#475569;font-style:normal}.hska__dist{flex-wrap:wrap;gap:6px;display:flex}.hska__chip{border-radius:8px;align-items:center;gap:5px;height:26px;padding:0 10px;font-size:12.5px;font-weight:600;display:inline-flex}.hska__chip b{font-weight:800}.hska__tools{color:#475569;align-items:center;gap:8px;font-size:13px;display:flex}.hska__sort{color:#475569;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:5px 12px;font-size:13px}.hska__sort--on{color:#dc2626;border-color:#dc2626;font-weight:600}.hska__grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:8px;display:grid}.hska__word{background:#fff;border:1px solid #eef2f7;border-radius:10px;align-items:center;gap:10px;padding:9px 12px;display:flex}.hska__word--top{background:#fff7f7;border-color:#fca5a5}.hska__badge{border-radius:7px;flex-shrink:0;justify-content:center;align-items:center;min-width:30px;height:24px;padding:0 7px;font-size:12.5px;font-weight:800;display:inline-flex}.hska__zh{color:#0f172a;font-size:18px;font-weight:500}.hska__py{color:#475569;font-size:13px;font-style:italic}.hska__gloss{color:#475569;text-align:right;text-overflow:ellipsis;white-space:nowrap;max-width:45%;margin-left:auto;font-size:13px;overflow:hidden}.hska__gloss em{color:#475569}@media (max-width:600px){.hska__grid{grid-template-columns:1fr}.hska__headline-num{font-size:32px}}.dict{--dict-accent-ink:#b91c1c;--dict-control-border:#8a8a8a;max-width:760px;padding:var(--spacing-lg) var(--spacing-md) var(--spacing-xl);margin:0 auto}.home>.dict{width:100%;max-width:none;padding-inline:0}.dict__bar{background:var(--color-accent);z-index:200;position:relative}.dict__bar-inner{justify-content:space-between;align-items:center;max-width:880px;min-height:64px;margin:0 auto;padding:10px 20px;display:flex}.dict__back{color:#fff;background:#ffffff26;border-radius:3px;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.dict__back:hover{background:#ffffff40}.dict__back:focus-visible{outline-offset:2px;outline:2px solid #fff}.dict__bar .home__menu-btn{padding:0}.dict__back>svg,.dict__save>svg,.dict__bar .home__menu-btn>svg{width:22px;height:22px}@media (max-width:600px){.dict__bar-inner{padding-inline:12px}}.dict__title{color:var(--color-text);margin:0 0 var(--spacing-xs);text-wrap:balance;font-size:28px;font-weight:700;line-height:1.3}.dict__intro{color:var(--color-text-secondary);margin:0 0 var(--spacing-md);font-size:15px;line-height:1.6}.dict__search{padding:var(--spacing-sm) 0 12px;background:var(--color-background-hover)}@media (min-height:600px){.dict__search{top:var(--catalog-nav-height,0px);z-index:10;position:sticky}}.dict__label{color:var(--color-text);margin-bottom:var(--spacing-sm);font-size:14px;font-weight:600;display:block}.dict__hint{color:var(--color-text-secondary);margin:var(--spacing-sm) 0 0;font-size:14px;line-height:1.5}.dict__field{position:relative}.dict__search-icon{color:var(--color-text-secondary);pointer-events:none;position:absolute;top:50%;left:16px;transform:translateY(-50%)}.dict__input{border:1px solid var(--dict-control-border);background:var(--color-background);width:100%;min-height:56px;color:var(--color-text);border-radius:3px;padding:12px 52px 12px 48px;font-family:inherit;font-size:17px}.dict__input:focus{border-color:var(--dict-accent-ink);outline:2px solid var(--dict-accent-ink);outline-offset:2px}.dict__input::placeholder{color:var(--color-text-secondary);opacity:1}.dict__input::-webkit-search-cancel-button{-webkit-appearance:none}.dict__clear{width:44px;height:44px;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:0;border-radius:3px;justify-content:center;align-items:center;padding:0;display:flex;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.dict__clear:hover{background:var(--color-background-hover);color:var(--color-text)}.dict__clear:active{background:var(--color-border)}.dict__clear:focus-visible{outline:2px solid var(--dict-accent-ink);outline-offset:-3px}.dict__subhead{color:var(--color-text);margin:var(--spacing-md) 0 var(--spacing-sm);font-size:15px;font-weight:600}.dict__results{margin-top:var(--spacing-md);color:var(--color-text-secondary);font-size:14px}.dict__note{padding:var(--spacing-md) 0;color:var(--color-text-secondary);font-size:15px;line-height:1.6}.dict__list{margin:var(--spacing-md) 0 0;gap:var(--spacing-sm);flex-direction:column;padding:0;list-style:none;display:flex}.dict__list[aria-busy=true]{opacity:.65}.dict__row{border:1px solid var(--color-border);background:var(--color-background);border-radius:3px;scroll-margin-top:180px}.dict__head{align-items:flex-start;gap:var(--spacing-xs);flex-direction:column;grid-column:1;min-width:0;display:flex}.dict__zh{font-family:var(--font-cjk);color:var(--color-text);font-size:24px;font-weight:500;line-height:1.2}.dict__py{color:var(--color-text-secondary);font-size:14px;line-height:1.4}.dict__meaning{color:var(--color-text-translation);grid-column:2;min-width:0;font-size:15px;line-height:1.55}.dict__badge{white-space:nowrap;padding:var(--spacing-xs) var(--spacing-sm);border-radius:3px;grid-area:1/3;justify-self:end;font-size:14px;font-weight:600;line-height:1.4}.dict__badge--a{color:#166534;background:#dcfce7}.dict__badge--b{color:#1d4ed8;background:#dbeafe}.dict__badge--c{color:#92400e;background:#fef3c7}.dict__badge--d{color:var(--dict-accent-ink);background:#fee2e2}.dict__click{align-items:center;gap:var(--spacing-md);width:100%;min-height:76px;padding:12px var(--spacing-md);font:inherit;text-align:left;cursor:pointer;-webkit-tap-highlight-color:transparent;overflow-wrap:anywhere;background:0 0;border:0;border-radius:3px;grid-template-columns:minmax(136px,.65fr) minmax(0,1.6fr) 5.5rem;scroll-margin-top:180px;text-decoration:none;display:grid}.dict__click:hover:not([aria-disabled=true]){background:var(--color-background-section)}.dict__click:hover .dict__zh,.dict__click:active .dict__zh{color:var(--dict-accent-ink)}.dict__click[aria-disabled=true]{cursor:wait}.dict__click[aria-disabled=true] .dict__zh{color:var(--color-text)}.dict__click:focus-visible{outline:2px solid var(--dict-accent-ink);outline-offset:-3px}.dict__retry:focus-visible{outline:2px solid var(--dict-accent-ink);outline-offset:3px}.dict__save{color:#fff;cursor:pointer;background:#ffffff26;border:0;border-radius:3px;justify-content:center;align-items:center;width:44px;height:44px;padding:0;display:inline-flex}.dict__save:focus-visible{outline-offset:2px;outline:2px solid #fff}.dict__save:hover:not([aria-disabled=true]){background:#ffffff40}.dict__save:active:not([aria-disabled=true]){background:#ffffff4d}.dict__save[aria-disabled=true]{cursor:default}.dict__exnote{margin-top:var(--spacing-sm);color:var(--color-text-secondary);font-size:14px;line-height:1.6}.dict__note--error{color:var(--dict-accent-ink)}.dict__retry{min-height:44px;margin-left:var(--spacing-sm);border:1px solid var(--dict-accent-ink);background:var(--color-background);color:var(--dict-accent-ink);font:inherit;cursor:pointer;border-radius:3px;padding:6px 10px}.dict__retry:hover{background:var(--color-background-hover)}.dict__ex{padding-top:var(--spacing-sm)}.dict__exhead{color:var(--color-text-secondary);margin:0 0 var(--spacing-xs);font-size:14px;font-weight:600;line-height:1.5}.dict__exitem{border-bottom:1px solid var(--color-border);overflow-wrap:anywhere;padding:12px 0}.dict__exitem:last-child{border-bottom:0;padding-bottom:0}.dict__exzh{font-family:var(--font-cjk);color:var(--color-text);font-size:20px;line-height:1.6;display:block}.dict__expy{color:var(--color-text-secondary);margin-top:var(--spacing-xs);font-size:14px;line-height:1.6;display:block}.dict__extr{color:var(--color-text-translation);margin-top:var(--spacing-xs);font-size:15px;line-height:1.6;display:block}@media (max-width:600px){.dict{padding:var(--spacing-md) 12px var(--spacing-xl)}.dict__title{font-size:24px}.dict__intro{margin-bottom:var(--spacing-md)}.dict__click{gap:var(--spacing-xs) 12px;grid-template-columns:minmax(0,1fr) auto}.dict__head{align-items:baseline;gap:var(--spacing-xs) var(--spacing-sm);flex-flow:wrap;grid-area:1/1}.dict__meaning{grid-area:2/1/auto/3}.dict__badge{grid-column:2;align-self:start}}.dict__history-slot[hidden]{display:none}.dict-history__link{color:var(--dict-accent-ink);text-underline-offset:3px;font-weight:600}.dict-history__link:focus-visible{outline:2px solid var(--dict-accent-ink);outline-offset:3px}.dict-history__more{margin:var(--spacing-md) auto 0;display:block}.dict-word-page{--word-accent:#bf003b;--word-ink:#1d2224;--word-muted:#5b647b;--word-surface:#fff;--word-border:#edf0f2;--word-badge:#e6e8eb}.dict-word{max-width:880px;padding:28px 20px var(--spacing-xl);color:var(--word-ink)}body:has(.dict-word){background:#f6f8fa}.dict-word__card{background:var(--word-surface);border:1px solid var(--word-border);overflow-wrap:anywhere;border-radius:3px;padding:32px 36px;box-shadow:0 2px 4px #1d22240a}.dict-word-page>.dict__bar{background:var(--color-hero-background)}.dict-word__summary{padding-block:32px}.dict-word__header{justify-content:space-between;align-items:flex-start;gap:24px;display:flex}.dict-word__identity{flex-wrap:wrap;align-items:baseline;gap:12px 24px;min-width:0;display:flex}.dict-word__zh{font-family:var(--font-cjk);margin:0;font-size:clamp(36px,5vw,56px);font-weight:600;line-height:1.3}.dict-word__py{color:var(--word-accent);margin:0;font-size:clamp(20px,3vw,28px);line-height:1.5}.dict-word__tabs{grid-template-columns:repeat(4,minmax(0,1fr));align-items:stretch;gap:4px;margin:28px 0;padding:8px;display:grid}.dict-word__tab{min-width:0;min-height:60px;font:inherit;color:var(--word-muted);cursor:pointer;background:0 0;border:0;border-radius:3px;padding:12px 16px;font-size:21px;font-weight:500;line-height:1.4}.dict-word__tab:hover{background:var(--color-background-hover)}.dict-word__tab[aria-selected=true]{color:#fff;background:var(--word-accent)}.dict-word__tab:focus-visible,.dict-word__panel:focus-visible{outline:2px solid var(--word-accent);outline-offset:3px}.dict-word__panel[hidden]{display:none}.dict-word__definition{margin:0}.dict-word__illustrated-meaning{grid-template-columns:minmax(0,1fr) 260px;align-items:start;gap:28px;display:grid}.dict-word__illustration{width:100%;height:auto;display:block}@media (max-width:600px){.dict-word__illustrated-meaning{grid-template-columns:minmax(0,1fr);gap:20px}.dict-word__illustration{justify-self:center;max-width:240px}}.dict-word__definition p{color:var(--word-ink);margin:12px 0 0;font-size:22px;line-height:1.65}.dict-word__senses{margin:0;padding:0;list-style:none}.dict-word__sense{padding-left:30px;position:relative}.dict-word__sense:before{content:"";background:var(--word-accent);border-radius:50%;width:12px;height:12px;position:absolute;top:14px;left:0}.dict-word__sense+.dict-word__sense{margin-top:28px}.dict-word__senses--numbered{padding-left:30px;list-style:decimal}.dict-word__senses--numbered>.dict-word__sense{padding-left:0;font-size:26px}.dict-word__senses--numbered>.dict-word__sense:before{content:none}.dict-word__senses--numbered>.dict-word__sense::marker{color:var(--word-accent);font-weight:600}.dict-word__sense .dict__examples{margin-top:12px}.dict-word__translation{color:var(--word-ink);margin:0;font-size:26px;font-weight:700;line-height:1.5}.dict-word__meaning-line{flex-wrap:wrap;align-items:baseline;gap:4px 12px;display:flex}.dict-word__pos{color:var(--word-muted);font-size:14px;line-height:1.5}.dict-word__pos:before{content:"·";margin-right:8px}.dict-word__example-group+.dict-word__example-group{margin-top:24px}.dict-word__example-meaning{margin:0 0 8px;font-size:20px;line-height:1.5}.dict-word .dict__exzh{font-size:24px}.dict-word .dict__expy,.dict-word .dict__extr{font-size:17px}.dict-word__empty{color:var(--word-muted);margin:0;font-size:18px;line-height:1.6}.dict-word__words-intro{color:var(--word-muted);margin:0 0 16px;font-size:18px;line-height:1.6}.dict-word__words{flex-direction:column;gap:16px;margin:0;padding:0;list-style:none;display:flex}.dict-word__compound{min-height:76px;color:var(--word-ink);grid-template-columns:minmax(0,1fr);gap:8px 16px;text-decoration:none;display:grid}.dict-word__compound:hover{background:var(--color-background-hover)}.dict-word__compound:focus-visible{outline:2px solid var(--word-accent);outline-offset:-2px}.dict-word__compound-head{flex-wrap:wrap;align-items:baseline;gap:6px 16px;display:flex}.dict-word__compound-zh{font-family:var(--font-cjk);font-size:28px;line-height:1.4}.dict-word__compound-zh mark{color:var(--word-accent);background:0 0}.dict-word__compound-py{color:var(--word-muted);font-size:17px;line-height:1.5}.dict-word__compound-gloss{grid-column:1/-1;font-size:18px;line-height:1.6}.dict-writing{grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:20px;display:grid}.dict-writing__card{flex-direction:column;align-items:center;min-width:0;padding:24px 24px 60px;display:flex;position:relative}.dict-writing__canvas{aspect-ratio:1;border:1px solid var(--word-border);background:var(--word-surface);border-radius:3px;width:100%;max-width:256px;display:block}.dict-writing__guides{stroke:var(--word-border);stroke-width:3px;stroke-dasharray:16 16;fill:none}.dict-writing__outline{fill:var(--word-badge)}.dict-writing__ink{fill:var(--word-ink)}.dict-writing__fallback{font-family:var(--font-cjk);fill:var(--word-badge);font-size:560px}.dict-writing__status{color:var(--word-muted);text-align:center;margin:16px 0 12px;font-size:14px;line-height:1.5}.dict-writing__play{width:44px;height:44px;color:var(--word-muted);cursor:pointer;background:0 0;border:0;border-radius:3px;place-items:center;padding:0;display:grid;position:absolute;bottom:8px;right:8px}.dict-writing__play:hover{color:var(--word-accent);background:var(--word-badge)}.dict-writing__play:focus-visible{outline:2px solid var(--word-accent);outline-offset:2px}.dict-writing__retry{background:var(--word-accent);color:#fff;min-width:120px;min-height:44px;font:inherit;cursor:pointer;border:0;border-radius:3px;padding:10px 20px;font-size:16px}.dict-writing__retry:hover{filter:brightness(.92)}.dict-writing__retry:focus-visible{outline:2px solid var(--word-accent);outline-offset:3px}@media (max-width:600px){.dict-word{padding:20px 12px var(--spacing-xl)}.dict-word__card{padding:24px 20px}.dict-word__header{align-items:flex-start;gap:16px}.dict-word__identity{gap:8px 16px}.dict-word__tabs{scrollbar-width:thin;gap:2px;margin:20px 0;padding:6px;display:flex;overflow-x:auto}.dict-word__tab{white-space:nowrap;flex:1 0 auto;min-height:52px;padding:10px 14px;font-size:14px}.dict-writing{grid-template-columns:minmax(0,1fr)}.dict-writing__card{padding-bottom:60px}.dict-word__compound{gap:8px 12px}.dict-word__compound-zh{font-size:24px}.dict-word__compound-py{font-size:15px}.dict-word__compound-gloss{font-size:16px}.dict-word__translation{font-size:21px}.dict-word__definition p{font-size:18px}.dict-word__sense,.dict-word__senses--numbered{padding-left:24px}.dict-word__senses--numbered>.dict-word__sense{font-size:21px}.dict-word__sense:before{width:10px;height:10px;top:11px}}.hsk__title{color:#333;margin:0 0 4px;font-size:1.6rem;font-weight:700}.hsk__intro{color:#888;margin:0 0 20px;font-size:.9rem}.hsk__vol{color:#dc2626;margin:20px 0 8px;font-size:1rem;font-weight:600}.hsk__list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.hsk__item{flex-direction:column;display:flex}.hsk__head,.hsk__part{background:#fff;border-radius:3px;box-shadow:0 1px 3px #00000014}.hsk__parts-wrap{grid-template-rows:0fr;transition:grid-template-rows .28s;display:grid}.hsk__item--open .hsk__parts-wrap{grid-template-rows:1fr}.hsk__parts-wrap>.hsk__parts{min-height:0;overflow:hidden}@media (prefers-reduced-motion:reduce){.hsk__parts-wrap{transition:none}}.hsk__head{text-align:left;cursor:pointer;border:none;align-items:center;gap:12px;width:100%;min-height:44px;padding:12px 14px;font-family:inherit;display:flex}.hsk__num{color:#dc2626;background:#fee2e2;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;width:30px;height:30px;font-size:.95rem;font-weight:700;display:flex}.hsk__text{flex-direction:column;flex:1;min-width:0;display:flex}.hsk__zh{color:#333;font-size:1.15rem;font-weight:600}.hsk__py{color:var(--color-accent);font-size:.85rem;font-family:var(--font-pinyin);margin-top:2px}.hsk__tr{color:#888;margin-top:4px;font-size:.85rem}.hsk__chev{color:#bbb;flex-shrink:0;font-size:1rem}.hsk__parts{flex-direction:column;gap:8px;padding:0;display:flex}.hsk__part:first-child{margin-top:8px}.hsk__part{align-items:center;gap:10px;min-height:44px;padding:14px 16px;text-decoration:none;display:flex}.hsk__part-zh{color:#333;flex-shrink:0;align-self:flex-start;font-size:1rem;font-weight:600}.hsk__part-text{flex-direction:column;flex:1;min-width:0;display:flex}.hsk__part-title{color:#333;font-size:1rem;font-weight:600}.hsk__part-py{color:var(--color-accent);font-size:.8rem;font-family:var(--font-pinyin);margin-top:2px}.hsk__part-tr{color:#888;font-size:.85rem}.hsk__part-text .hsk__part-tr{margin-top:4px}.hsk__part-zh--only{flex:1;align-self:center}.hsk__part-arrow{color:#bbb;z-index:1;flex-shrink:0;position:relative}.hsk__part{position:relative;overflow:hidden}.hsk__part-text{z-index:1;position:relative}.hsk__part-ghost{z-index:0;letter-spacing:.02em;color:#0000000a;pointer-events:none;-webkit-user-select:none;user-select:none;font-size:4.5rem;font-weight:700;line-height:1;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.hsk__part-img{display:none}@media (max-width:600px){.hsk__part--img{flex-wrap:wrap;row-gap:0}.hsk__part--img .hsk__part-img{aspect-ratio:800/451;background-image:var(--hsk-part-img);background-position:50%;background-size:cover;flex:0 0 calc(100% + 32px);order:-1;margin:-14px -16px 14px;display:block}.hsk__part--img .hsk__part-ghost{top:auto;bottom:14px;transform:none}}.hsk__nouns{flex-wrap:wrap;align-items:baseline;gap:10px;padding:8px 12px 0;display:flex}.hsk__nouns-label{text-transform:uppercase;letter-spacing:.04em;color:#aaa;font-size:.75rem}.hsk__noun{color:#666;font-size:.85rem}.hskg__title{color:#333;margin:0 0 20px;font-size:1.5rem;font-weight:700}.hskg__body{background:#fff;border-radius:3px;padding:18px 16px;box-shadow:0 1px 3px #00000014}.hskg__h{color:#dc2626;margin:22px 0 8px;font-size:1.05rem;font-weight:700}.hskg__h:first-child{margin-top:0}.hskg__p{color:#444;white-space:pre-line;margin:0 0 10px;font-size:.95rem;line-height:1.65}.hskg__formula{white-space:pre-line;color:#fff;background:#dc2626;border-radius:3px;margin:10px 0 14px;padding:10px 12px;font-size:.95rem;font-weight:600;line-height:1.6}.hskg__ex{margin:0 0 22px;line-height:1.9}.hskg__ex-zh{color:#1a1a2e;font-size:1.35rem}.hskg__voc{border:1px solid #eee;border-radius:3px;margin:8px 0 16px;overflow:hidden}.hskg__voc-row{border-bottom:1px solid #f0f0f0;flex-wrap:wrap;align-items:baseline;gap:14px;padding:9px 12px;display:flex}.hskg__voc-row:last-child{border-bottom:none}.hskg__voc-row:nth-child(odd){background:#fafafa}.hskg__voc-zh{color:#1a1a2e;flex:1 1 0;min-width:6.5em;font-size:1.15rem;line-height:1.5}.hskg__voc-py{color:#dc2626;flex:1 1 0;min-width:7em;font-size:.92rem;line-height:1.5}.hskg__voc-tr{color:#555;flex:2 1 0;min-width:8.5em;font-size:.95rem;line-height:1.5}.hskg-page .hskg__navbar{z-index:95;width:100%;padding-bottom:env(safe-area-inset-bottom,0px);margin-left:0;position:fixed;inset:auto 0 0}.hskg-page .hskg__navbar .dr-tabs__back{flex:0 0 44px;justify-content:center;align-items:center;display:flex}.hskg-page .home__footer{padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}.hskg-page .home__hero.home__hero--lang{height:auto;padding-bottom:4px}.hskg-page .home__hero--lang .home__hero-inner{height:auto;padding-left:0;padding-right:0}.hskg-page .home__hero--lang .home__hero-top-row{position:relative}.hskg-page .home__hero--lang .lp__hero-watermark{display:none}@media (max-width:600px){.hskg__voc-row{gap:8px}.hskg__voc-zh,.hskg__voc-py,.hskg__voc-tr{flex:1 1 0;min-width:0}.hskg__voc-zh{font-size:1.05rem}.hskg__voc-py{font-size:.82rem}.hskg__voc-tr{font-size:.9rem}}.hskg__note{white-space:pre-line;color:#6b5300;background:#fff8e1;border-radius:3px;margin-top:18px;margin-bottom:22px;padding:12px 14px;font-size:.92rem;line-height:1.7}.hskg__ex+.hskg__note{margin-top:-14px}.hskg__table-wrap{-webkit-overflow-scrolling:touch;margin:12px 0 16px;overflow-x:auto}.hskg__table{border-collapse:collapse;width:100%;min-width:460px;font-size:.88rem}.hskg__table[data-compact]{width:auto}.hskg__table[data-compact] th,.hskg__table[data-compact] td{text-align:center}.hskg__table[data-compact] th{color:#fff;background:#dc2626;border-color:#dc2626}.hskg__table[data-compact]{--compact-key-w:4.5em}.hskg__table[data-compact] th:first-child>span,.hskg__table[data-compact] td:first-child>span{min-width:var(--compact-key-w);text-align:left;display:inline-block}.hskg__table th{color:#dc2626;text-align:left;background:#fee2e2;border:1px solid #f3d0d0;padding:8px 12px;font-size:1.05rem;font-weight:700}.hskg__table td{color:#444;vertical-align:top;border:1px solid #eee;padding:8px 12px;line-height:1.5}.hskg__table tbody tr:nth-child(odd) td{background:#fafafa}@media (max-width:600px){.hskg__table-wrap{overflow-x:visible}.hskg__table[data-cols="2"],.hskg__table[data-compact]{table-layout:fixed;width:100%;min-width:0;font-size:.8rem}.hskg__table[data-cols="2"] th,.hskg__table[data-compact] th{padding:7px 8px;font-size:.95rem}.hskg__table[data-cols="2"] td,.hskg__table[data-compact] td{padding:7px 8px}.hskg__table:not([data-cols="2"]):not([data-compact]){border-collapse:separate;border-spacing:0;min-width:0}.hskg__table:not([data-cols="2"]):not([data-compact]) thead{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}.hskg__table:not([data-cols="2"]):not([data-compact]) tr{border:1px solid #eee;border-radius:6px;margin-bottom:10px;display:block;overflow:hidden}.hskg__table:not([data-cols="2"]):not([data-compact]) td{border:none;border-bottom:1px solid #f0f0f0;display:block}.hskg__table:not([data-cols="2"]):not([data-compact]) td:last-child{border-bottom:none}.hskg__table:not([data-cols="2"]):not([data-compact]) tbody tr:nth-child(odd) td{background:0 0}.hskg__table:not([data-cols="2"]):not([data-compact]) td:before{content:attr(data-h);color:#dc2626;margin-bottom:2px;font-size:.95rem;font-weight:700;display:block}}.dr-nav .dr-tabs{z-index:95;width:100%;padding-bottom:env(safe-area-inset-bottom,0px);margin-left:0;position:fixed;inset:auto 0 0}.dr-nav .story__play-fab{bottom:92px}.dr-nav .dr-dialog-body{padding-bottom:96px}.dr-nav .drp__mic-area{bottom:96px}.dr-nav .dr-more{flex:0 0 44px;font-size:20px;line-height:1}.dr-nav .dr-tabs__back{flex:0 0 44px;justify-content:center;align-items:center;display:flex}.dr-ctl__item,.dr-ctl__row{color:#333;cursor:pointer;text-align:left;background:0 0;border:0;justify-content:space-between;align-items:center;gap:12px;width:100%;min-height:46px;padding:0 14px;font-family:inherit;font-size:.95rem;display:flex}.dr-sw{background:#d8d8d8;border-radius:999px;flex:none;width:38px;height:22px;transition:background .15s;position:relative}.dr-sw:after{content:"";background:#fff;border-radius:50%;width:18px;height:18px;transition:transform .15s;position:absolute;top:2px;left:2px;box-shadow:0 1px 3px #00000040}.dr-ctl__item.is-on .dr-sw{background:#dc2626}.dr-ctl__item.is-on .dr-sw:after{transform:translate(16px)}.dr-ctl__item.is-on span{color:#dc2626;font-weight:600}.dr-ctl__sep{background:#eee;height:1px;margin:6px 0}.dr-ctl__item.is-disabled{opacity:.4;cursor:default}.dr-ctl__exit{color:#333;text-decoration:none}.dr-ctl__exit-icon{color:#999;flex:none}.dr-ctl__sz{cursor:pointer;background:#fff;border:1px solid #e5e5e5;border-radius:6px;min-width:40px;min-height:34px;margin-left:6px;font-family:inherit;font-size:.9rem}.dr-scrim{z-index:94;position:fixed;inset:0}.dr-ctl--dots{z-index:96;transform-origin:100% 100%;opacity:0;pointer-events:none;visibility:hidden;background:#fff;border-radius:10px;width:min(360px,100vw - 16px);max-height:calc(100dvh - 80px);padding:6px 0;transition:transform .16s cubic-bezier(.2,.8,.2,1),opacity .16s,visibility .16s;position:fixed;bottom:64px;right:8px;overflow-y:auto;transform:scale(.92)translateY(6px);box-shadow:0 6px 24px #00000038}.dr-ctl--dots.dr-ctl--open{opacity:1;pointer-events:auto;visibility:visible;transform:none}.dr-hero--hidden{display:none}.dr-trbar--idle .dr-trbar__text{color:#999;text-align:center;font-size:.85em;font-style:normal}.dr-trbar--word .dr-trbar__zh{font-weight:600}.dr-trbar--word .dr-trbar__py{color:#dc2626;margin-left:.4em}.dr-trbar--word .dr-trbar__gloss{margin-left:.6em}.dr-trbar--word .dr-trbar__gloss--bychar{opacity:.75;font-style:italic}.dr-trbar{z-index:40;background:#fff;border-bottom:1px solid #eee;justify-content:center;align-items:center;width:100vw;height:120px;margin-left:calc(50% - 50vw);padding:6px 20px;display:flex;position:sticky;top:0;box-shadow:0 2px 8px #0000000f}.dr-trbar__text{color:#666;text-align:left;width:100%;max-width:900px;margin:0;font-size:18px;font-style:italic;line-height:1.45}.dr-ctl__sz--on{color:#fff;background:#dc2626;border-color:#dc2626}.adm__src{white-space:nowrap;border-radius:999px;padding:2px 7px;font-size:11px;font-weight:600}.adm__src--mine{color:#b91c1c;background:#fee2e2}.adm__src--hsk{color:#475569;background:#eef2f7}.adm__row--dict{background:#fafafa}.adm__row--dict td{color:#475569}.lp__hsk-pills--2col{flex:unset;grid-template-rows:repeat(3,auto);grid-template-columns:repeat(2,1fr);grid-auto-flow:column;gap:6px;width:100%;display:grid}.lp__hsk-pills--2col .lp__hsk-pill{flex:unset;white-space:normal;justify-content:center;align-items:center;min-height:38px;line-height:1.25;display:flex}.lp__seg-bar--static{z-index:auto;position:static}.sup-fab{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));background:var(--color-accent);cursor:pointer;z-index:210;border:0;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;transition:transform .15s ease-out;display:inline-flex;position:fixed;box-shadow:0 4px 8px #1a1a1a2e}.sup-fab:hover{transform:scale(1.06)}.sup-fab:active{transform:scale(.94)}.sup{--sup-ink:#202124;--sup-muted:#62666c;--sup-line:#e9eaed;--sup-soft:#f4f5f7;right:16px;bottom:calc(84px + env(safe-area-inset-bottom) + var(--sup-kb,0px));width:min(390px,100vw - 32px);height:min(72vh, 560px, var(--sup-avail,100vh));color:var(--sup-ink);z-index:211;background:#fff;border:0;border-radius:14px;flex-direction:column;display:flex;position:fixed;overflow:hidden;box-shadow:0 12px 32px #14182038,0 2px 8px #1418201f;container:blim-support/size}.sup__head{border-bottom:1px solid var(--sup-line);background:#fff;flex-shrink:0;align-items:center;gap:12px;padding:16px;display:flex}.sup__avatar{background:var(--color-accent);color:#fff;border-radius:10px;flex-shrink:0;place-items:center;width:42px;height:42px;font-size:23px;font-weight:700;display:grid}.sup__heading{flex-direction:column;gap:2px;min-width:0;display:flex}.sup__title{font-size:16px;font-weight:600;line-height:1.4}.sup__subtitle{color:var(--sup-muted);font-size:12px;line-height:1.5}.sup__close{color:var(--sup-muted);cursor:pointer;background:0 0;border:0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;margin-left:auto;padding:0;display:inline-flex}.sup__close:hover{background:var(--sup-soft);color:var(--sup-ink)}.sup-fab:focus-visible,.sup :is(button,a,textarea):focus-visible{outline-offset:3px;outline:2px solid #991b1b}.sup__body{overscroll-behavior:contain;flex-direction:column;flex:1;gap:18px;min-height:0;padding:20px 16px;display:flex;overflow-y:auto}.sup__welcome{margin:auto 0;padding:12px 3px}.sup__welcome strong{margin-bottom:10px;font-size:21px;font-weight:600;line-height:1.35;display:block}.sup__intro{color:var(--sup-muted);margin:0;font-size:14px;line-height:1.65}.sup__loading{color:var(--sup-muted);margin:auto 0;font-size:14px}.sup__date{text-align:center;color:var(--sup-muted);font-size:12px}.sup__message{align-self:flex-start;max-width:88%}.sup__message--visitor{align-self:flex-end}.sup__meta{color:var(--sup-muted);margin-top:6px;padding:0 2px;font-size:11px;line-height:1.5}.sup__message--visitor .sup__meta{text-align:right}.sup__msg{white-space:pre-wrap;word-break:break-word;border-radius:16px;max-width:82%;padding:9px 13px;font-size:15px;line-height:1.45}.sup__msg--visitor{color:#fff;background:#dc2626;border-bottom-right-radius:5px;align-self:flex-end}.sup__msg--agent{color:#1a1a1a;background:#f1f3f5;border-bottom-left-radius:5px;align-self:flex-start}.sup .sup__msg{border-radius:12px 12px 12px 4px;max-width:none;padding:11px 14px;line-height:1.5}.sup .sup__msg--agent{background:var(--sup-soft);color:var(--sup-ink)}.sup .sup__msg--visitor{background:var(--color-accent);border-radius:12px 12px 4px}.sup__error{color:#b91c1c;flex-shrink:0;margin:0;padding:10px 16px;font-size:13px}.sup__nav{border-bottom:1px solid var(--sup-line);flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;padding:0 16px;display:flex}.sup__history-link,.sup__back{cursor:pointer;min-height:44px;font:inherit;color:var(--color-accent);background:0 0;border:0;padding:10px 0;font-size:13px}.sup__history-link:hover,.sup__back:hover{text-decoration:underline}.sup__nav-date{color:var(--sup-muted);white-space:nowrap;font-size:12px}.sup__past-item{text-align:left;cursor:pointer;border:1px solid var(--sup-line);width:100%;min-height:44px;font:inherit;background:#fff;border-radius:9px;flex-direction:column;flex-shrink:0;align-items:flex-start;gap:2px;padding:12px;display:flex}.sup__past-item:hover{background:var(--sup-soft)}.sup__past-date{color:var(--sup-muted);font-size:12px}.sup__past-preview{color:var(--sup-ink);text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:14px;overflow:hidden}.sup__readonly{color:var(--sup-muted);margin:0;font-size:13px;line-height:1.5}.sup--signed-out{height:min(360px, var(--sup-avail,calc(100dvh - 100px)))}.sup__auth{text-align:center;gap:10px}.sup__auth-msg{color:var(--sup-muted);margin:0;font-size:12px;line-height:1.5}.sup__auth-btn{background:var(--color-accent);color:#fff;border-radius:9px;min-height:46px;padding:11px 14px;font-size:14px;font-weight:600;text-decoration:none;display:block}.sup__form{border-top:1px solid #eef0f2;align-items:stretch;gap:8px;padding:12px 14px;display:flex}.sup .sup__form{border-top-color:var(--sup-line);flex-direction:column;flex-shrink:0;gap:10px;padding:14px 16px 12px}.sup__status{color:var(--sup-muted);margin:0;font-size:12px;line-height:1.5}.sup__composer{align-items:flex-end;gap:10px;display:flex}.sup__input{resize:none;font:inherit;border:1px solid #dee2e6;border-radius:3px;flex:1;max-height:96px;padding:9px 12px;font-size:15px;line-height:1.4}.sup .sup__input{resize:none;min-width:0;font:inherit;min-height:72px;max-height:144px;color:var(--sup-ink);background:#fff;border:1px solid #b8bdc5;border-radius:9px;flex:1;padding:12px;font-size:16px;line-height:1.45}.sup .sup__input::placeholder{color:var(--sup-muted);opacity:1}.sup__input:focus{border-color:#dc2626;outline:none}.sup .sup__input:focus-visible{outline-offset:3px;outline:2px solid #991b1b}.sup__send{color:#fff;cursor:pointer;background:#dc2626;border:0;border-radius:3px;flex-shrink:0;justify-content:center;align-items:center;width:44px;padding:0;transition:background .15s,transform .1s;display:inline-flex}.sup .sup__send{background:var(--color-accent);border-radius:9px;height:44px}.sup__send:hover:not(:disabled){background:#b91c1c}.sup__send:active:not(:disabled){transform:scale(.93)}.sup__send:disabled{color:#adb5bd;cursor:default;background:#dee2e6}.sup .sup__send:disabled{background:var(--sup-soft);color:var(--sup-muted)}.sup__help{color:var(--sup-muted);justify-content:space-between;gap:12px;font-size:11px;line-height:1.5;display:flex}.sup__counter{white-space:nowrap;flex-shrink:0}@media (max-width:600px){.sup-fab{right:12px;bottom:calc(12px + env(safe-area-inset-bottom));width:52px;height:52px}.sup{width:auto;left:8px;right:8px;bottom:calc(76px + env(safe-area-inset-bottom) + var(--sup-kb,0px));height:min(70vh, 520px, var(--sup-avail,100vh))}.sup--signed-out{height:min(360px, var(--sup-avail,calc(100dvh - 92px)))}.sup__head{gap:10px;padding:12px}.sup__body{padding:18px 12px}.sup__message{max-width:94%}.sup .sup__form{padding:12px}.sup__key-hint{display:none}.sup__help{justify-content:flex-end}.sup__input{font-size:16px}}@media (prefers-reduced-motion:reduce){.sup-fab,.sup__send{transition:none}.sup__body{scroll-behavior:auto}}@container blim-support (max-height:320px){.sup__head{gap:9px;padding:6px 12px}.sup__avatar{width:32px;height:32px;font-size:20px}.sup .sup__form{gap:6px;padding:8px 12px}.sup .sup__input{min-height:44px;max-height:72px;padding:9px 12px}.sup__help{display:none}.sup__status{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}}.sup-adm2{grid-template-columns:320px 1fr;align-items:stretch;gap:14px;height:min(68vh,620px);display:grid}.sup-adm2__list{flex-direction:column;gap:8px;min-height:0;padding-right:2px;display:flex;overflow-y:auto}.sup-adm__empty{color:var(--muted);text-align:center;border:1px solid var(--line-soft);background:#fff;border-radius:16px;padding:28px 4px;font-size:14px}.sup-adm__row{text-align:left;cursor:pointer;border:1px solid var(--line-soft);background:#fff;border-radius:16px;flex-shrink:0;align-items:center;gap:12px;width:100%;min-height:62px;padding:14px 16px;transition:box-shadow .18s,border-color .18s;display:flex;position:relative;box-shadow:0 1px 2px #00000008}.sup-adm__row:hover{box-shadow:0 8px 22px -14px #00000059}.sup-adm__row--active{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}.sup-adm__row:before{content:"";background:var(--line);border-radius:3px;width:3px;position:absolute;top:14px;bottom:14px;left:0}.sup-adm__row--unread:before{background:var(--amber)}.sup-adm__row-main{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.sup-adm__who{font-family:var(--disp);color:var(--text);font-size:15px;font-weight:700}.sup-adm__page{font-family:var(--mono);color:var(--muted);text-overflow:ellipsis;white-space:nowrap;font-size:11px;overflow:hidden}.sup-adm__time{font-family:var(--mono);letter-spacing:.06em;color:var(--faint);white-space:nowrap;font-size:10px}.sup-adm__badge{font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;background:var(--amber-bg);color:var(--amber);border-radius:20px;flex-shrink:0;padding:4px 8px;font-size:10px;font-weight:600}.sup-adm__badge--closed{background:var(--line-soft);color:var(--muted)}.sup-adm2__pane{border:1px solid var(--line-soft);background:#fff;border-radius:16px;flex-direction:column;min-height:0;display:flex;overflow:hidden;box-shadow:0 1px 2px #00000008}.sup-adm2__placeholder{color:var(--faint);margin:auto;font-size:14px}.sup-adm__bar{border-bottom:1px solid var(--line-soft);flex-shrink:0;align-items:center;gap:12px;padding:14px 18px;display:flex}.sup-adm__back{cursor:pointer;width:32px;height:32px;color:var(--muted);background:0 0;border:0;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;padding:0;display:none}.sup-adm__back:hover{background:var(--line-soft);color:var(--text)}.sup-adm__close-btn{cursor:pointer;border:1px solid var(--line);min-height:36px;color:var(--text);background:#fff;border-radius:3px;flex-shrink:0;margin-left:auto;padding:7px 14px;font-size:13px;font-weight:600}.sup-adm__close-btn:hover{background:var(--line-soft)}.sup-adm__close-btn:disabled{opacity:.5;cursor:default}.sup-adm__thread{background:var(--canvas);flex-direction:column;flex:1;gap:10px;min-height:0;padding:16px 18px;display:flex;overflow-y:auto}@media (max-width:900px){.sup-adm2{grid-template-columns:1fr;height:min(72vh,560px)}.sup-adm2--detail .sup-adm2__list,.sup-adm2:not(.sup-adm2--detail) .sup-adm2__pane{display:none}.sup-adm__back{display:inline-flex}.sup-adm__row{border-radius:12px;padding:13px 14px}.sup-adm__row:hover{box-shadow:0 1px 2px #00000008}.sup-adm__time{display:none}.sup-adm2__pane{border-radius:12px}.sup-adm__bar,.sup-adm__thread{padding-left:14px;padding-right:14px}}.sup-fab__dot{background:#22c55e;border:2px solid #f5f5f5;border-radius:50%;width:13px;height:13px;position:absolute;top:2px;right:2px}.sup__quote{opacity:.72;white-space:pre-wrap;word-break:break-word;border-left:3px solid;margin-bottom:6px;padding-left:9px;font-size:13px;line-height:1.4;display:block}.sup .sup__quote{opacity:1;border-bottom:1px solid;border-left:0;margin-bottom:8px;padding-bottom:8px;padding-left:0}.sup__msg--quotable{font:inherit;text-align:left;cursor:pointer;border:0;transition:box-shadow .15s}.sup__msg--quotable:hover{box-shadow:0 0 0 2px var(--line)}.sup-adm__quote-bar{border-left:3px solid var(--red);background:var(--line-soft);border-radius:0 3px 3px 0;flex-shrink:0;align-items:flex-start;gap:10px;margin:0 18px;padding:8px 10px;display:flex}.sup-adm__quote-text{min-width:0;color:var(--muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;flex:1;font-size:12px;line-height:1.4;display:-webkit-box;overflow:hidden}.sup-adm__quote-x{cursor:pointer;color:var(--muted);background:0 0;border:0;border-radius:4px;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;padding:0;display:inline-flex}.sup-adm__quote-x:hover{background:var(--line);color:var(--text)}@media (max-width:900px){.sup-adm__quote-bar{margin:0 14px}}.adm__dm-backdrop{top:var(--adm-top,0);height:var(--adm-height,100dvh);z-index:400;background:#0e0e1273;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;bottom:auto;left:0;right:0}.adm__dm{background:#fff;border:0;border-radius:16px;flex-direction:column;gap:12px;width:min(520px,100%);padding:18px;display:flex;box-shadow:0 24px 60px -20px #00000073}.adm__dm-head{justify-content:space-between;align-items:center;display:flex}.adm__dm-title{font-family:var(--disp);color:var(--text);font-size:16px;font-weight:700}.adm__dm-x{cursor:pointer;color:var(--muted);background:0 0;border:0;padding:0 4px;font-size:26px;line-height:1}.adm__dm-x:hover{color:var(--text)}.adm__dm-error{color:var(--red);margin:0;font-size:13px}.adm__dm-foot{justify-content:space-between;align-items:center;gap:12px;display:flex}.adm__dm-note{font-family:var(--mono);letter-spacing:.04em;color:var(--faint);font-size:10px}@media (max-width:600px){.adm__dm-foot{flex-direction:column;align-items:stretch}.adm__dm-note{text-align:center;order:2}}html[lang=uz] body{letter-spacing:.02em}html[lang=uz] ruby,html[lang=uz] rt,html[lang=uz] rp,html[lang=uz] [lang|=zh],html[lang=uz] .story__text,html[lang=uz] .story__dialogue-text,html[lang=uz] .wpreview-ex,html[lang=uz] .karaoke__char,html[lang=uz] .karaoke__rt,html[lang=uz] .dialogue-card__pinyin,html[lang=uz] .lp__card-pinyin,html[lang=uz] .hsk__py,html[lang=uz] .hsk__part-py,html[lang=uz] [class$=__zh],html[lang=uz] .lp__hero-watermark,html[lang=uz] .dr-hero__watermark,html[lang=uz] .lp__hero-mobile-title,html[lang=uz] .lp__card-deco,html[lang=uz] .home__menu-lang-btn,html[lang=uz] .dr-hero__title,html[lang=uz] .dialogue-card__title{letter-spacing:normal}.dr-flip__play--vocab{left:12px;right:auto}.vocab-error{color:#b91c1c;text-align:center;background:#fee2e2;border:1px solid #fca5a5;border-radius:6px;margin:8px 0;padding:8px 12px;font-size:13px}.ps-app{--ps-paper:#fff;--ps-desk:#f5f5f5;--ps-ink:#222;--ps-pencil:#666;--ps-muted:#888;--ps-line:#dedede;--ps-red:#dc2626;--ps-wash:#fff4f2;max-width:1100px;color:var(--ps-ink);margin:0 auto;padding:0 32px;font-size:14px}.ps-app button,.ps-app input,.ps-app textarea{font:inherit}.ps-nav{border-bottom:1px solid var(--ps-line);justify-content:space-between;align-items:center;min-height:88px;display:flex}.ps-nav-actions{align-items:center;gap:20px;display:flex}.ps-nav .home__menu-btn{background:var(--ps-wash)}.ps-nav .home__menu-btn svg{fill:var(--ps-red)}.ps-nav img{width:91px;height:50px;display:block}.ps-back{color:var(--ps-pencil);padding:12px 0;text-decoration:none}.ps-back:hover{color:var(--ps-red)}.ps-heading{padding:40px 0 32px}.ps-eyebrow{color:var(--ps-red);letter-spacing:.1em;margin:0 0 12px;font-size:11px;font-weight:700}.ps-heading h1{letter-spacing:-.045em;margin:0 0 12px;font-size:clamp(28px,4vw,40px);line-height:1.2}.ps-heading>p:last-child{color:var(--ps-pencil);margin:0;font-size:15px}.ps-mobile-break{display:none}.ps-workspace{grid-template-columns:310px minmax(0,1fr);align-items:start;gap:32px;display:grid}.ps-editor{min-width:0}.ps-input-section,.ps-config{border:1px solid var(--ps-line);background:var(--ps-paper);border-radius:8px;padding:20px}.ps-config{margin-top:16px}.ps-app h2{margin:0;font-size:16px;font-weight:700;line-height:1.4}.ps-section-title{justify-content:space-between;align-items:center;gap:8px;display:flex}.ps-text-button{color:var(--ps-red);cursor:pointer;background:0 0;border:0;min-height:36px;padding:8px 0;text-decoration:underline;font-size:12px!important}.ps-help{color:var(--ps-pencil);margin:12px 0;font-size:12px;line-height:1.6}.ps-app textarea,.ps-field input,.ps-word-row input{background:var(--ps-desk);width:100%;color:var(--ps-ink);border:1px solid var(--ps-line);border-radius:4px;min-height:44px;padding:10px 12px}.ps-app textarea{resize:vertical;min-height:160px;font-size:22px;line-height:1.7;display:block}.ps-app input::placeholder,.ps-app textarea::placeholder{color:var(--ps-muted)}.ps-app :focus-visible{outline:2px solid var(--ps-red);outline-offset:3px}.ps-app [aria-invalid=true]{border-color:var(--ps-red)}.ps-input-meta{color:var(--ps-muted);flex-wrap:wrap;justify-content:space-between;gap:8px;margin-top:8px;font-size:11px;display:flex}.ps-error{color:var(--ps-red);margin:8px 0 0;font-size:12px}.ps-error:empty{display:none}.ps-field{gap:8px;margin-top:20px;font-size:12px;font-weight:500;display:grid}.ps-word-editor{margin-top:16px;font-size:12px}.ps-word-editor summary,.ps-advanced summary{cursor:pointer;min-height:44px;color:var(--ps-pencil);padding:12px 0}.ps-word-list{overscroll-behavior:contain;max-height:340px;overflow:auto}.ps-word-row{border-top:1px solid var(--ps-line);grid-template-columns:1fr;gap:6px;padding:12px 0;display:grid}.ps-word-hanzi{overflow-wrap:anywhere;font-size:18px}.ps-word-row input{font-size:12px}.ps-choices{border:0;gap:4px;margin:20px 0 0;padding:0;display:flex}.ps-choices legend{margin-bottom:8px;padding:0;font-size:12px;font-weight:500}.ps-choices button{overflow-wrap:anywhere;border:1px solid var(--ps-line);background:var(--ps-paper);min-width:0;color:var(--ps-pencil);cursor:pointer;border-radius:4px;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;min-height:44px;padding:8px 4px;font-size:11px;display:flex}.ps-grid-symbol{color:var(--ps-pencil);font-size:24px;line-height:1.2}.ps-choices button[aria-pressed=true]{border-color:var(--ps-red);color:var(--ps-red);background:var(--ps-wash)}.ps-choices button[aria-pressed=true] .ps-grid-symbol{color:var(--ps-red)}.ps-choices button:hover{border-color:var(--ps-red)}.ps-choices button:active{background:var(--ps-wash)}.ps-choices small{opacity:.75;font-size:10px}.ps-range{grid-template-columns:1fr auto;align-items:center;gap:4px;margin:20px 0 12px;font-size:12px;display:grid}.ps-range output{font-variant-numeric:tabular-nums;color:var(--ps-red);font-weight:700}.ps-range input{width:100%;accent-color:var(--ps-red);grid-column:1/-1;min-height:36px;margin:0}.ps-toggle{cursor:pointer;justify-content:space-between;align-items:center;gap:16px;min-height:44px;font-size:12px;display:flex}.ps-toggle input{width:18px;height:18px;accent-color:var(--ps-red);cursor:pointer;flex-shrink:0}.ps-advanced{border-top:1px solid var(--ps-line);margin-top:12px}.ps-color{justify-content:space-between;align-items:center;min-height:48px;font-size:12px;display:flex}.ps-color input{border:1px solid var(--ps-line);cursor:pointer;background:0 0;border-radius:4px;width:48px;height:36px;padding:3px}.ps-choices--model{flex-wrap:wrap}.ps-choices--model button{flex-basis:calc(50% - 4px)}.ps-storage-note{color:var(--ps-muted);margin:12px 0;font-size:11px}.ps-preview{min-width:0;position:sticky;top:24px}.ps-preview-bar{justify-content:space-between;align-items:center;gap:16px;display:flex}.ps-preview-bar p{color:var(--ps-muted);margin:4px 0 0;font-size:11px}.ps-print-button{background:var(--ps-red);color:#fff;border:1px solid var(--ps-red);cursor:pointer;border-radius:4px;justify-content:center;align-items:center;gap:8px;min-height:44px;padding:10px 14px;display:inline-flex;font-size:12px!important;font-weight:700!important}.ps-print-button:hover:not(:disabled){background:#b91c1c;border-color:#b91c1c}.ps-print-button:disabled{opacity:.45;cursor:default}.ps-status{color:var(--ps-pencil);min-height:36px;margin:12px 0 16px;font-size:11px;line-height:1.6}.ps-paper-scroll{overscroll-behavior-x:contain;overflow-x:auto}.ps-paper{background:var(--ps-paper);border:1px solid var(--ps-line);width:100%}.ps-sheet{width:100%;height:auto;display:block}.ps-sheet text{font-family:var(--font-pinyin), sans-serif}.ps-sheet text[font-family]{font-family:KaiTi,STKaiti,Noto Serif SC,serif}.ps-empty{text-align:center;min-height:480px;color:var(--ps-pencil);align-content:center;padding:32px;display:grid}.ps-empty>span{color:var(--ps-line);font-size:80px}.ps-empty h3{margin:16px 0 8px;font-size:18px}.ps-empty p{margin:0;font-size:13px}.ps-pagination{color:var(--ps-pencil);font-variant-numeric:tabular-nums;justify-content:center;align-items:center;gap:24px;margin-top:16px;font-size:12px;display:flex}.ps-pagination button{border:1px solid var(--ps-line);width:44px;height:44px;color:var(--ps-pencil);background:var(--ps-paper);cursor:pointer;border-radius:4px}.ps-pagination button:hover:not(:disabled){color:var(--ps-red);border-color:var(--ps-red)}.ps-pagination button:disabled{opacity:.35;cursor:default}.ps-print-note{color:var(--ps-muted);margin:12px 0 0;font-size:11px}.ps-footer{border-top:1px solid var(--ps-line);color:var(--ps-muted);justify-content:space-between;gap:16px;margin-top:48px;padding:24px 0 48px;font-size:12px;display:flex}.ps-footer a{color:var(--ps-pencil);text-decoration:none}.ps-print-root{display:none}@media (max-width:900px){.ps-app{padding:0 24px}.ps-workspace{grid-template-columns:280px minmax(0,1fr);gap:24px}.ps-preview-bar{flex-direction:column;align-items:stretch;gap:12px}}@media (max-width:700px){.ps-workspace{flex-direction:column;display:flex}.ps-editor,.ps-preview{width:100%}.ps-preview{position:static}.ps-input-section,.ps-config{padding:20px}.ps-choices button{font-size:12px}.ps-choices--model button{flex-basis:30%}.ps-word-row{grid-template-columns:72px 1fr}.ps-word-row>label:last-child{grid-column:2}.ps-paper{min-width:480px}.ps-paper--landscape{min-width:640px}.ps-footer{flex-direction:column}}@media (max-width:600px){.ps-app{padding:0 16px}.ps-nav{min-height:72px}.ps-nav img{width:73px;height:40px}.ps-heading{padding:32px 0 24px}.ps-nav-actions{gap:12px}.ps-mobile-break{display:block}}@media print{body:has(>.ps-print-root){min-height:0;background:#fff!important;margin:0!important;padding:0!important}body:has(>.ps-print-root)>:not(.ps-print-root){display:none!important}.ps-print-root{color:#222;-webkit-print-color-adjust:exact;print-color-adjust:exact;display:block}.ps-print-page{break-after:page;break-inside:avoid;overflow:hidden}.ps-print-page:last-child{break-after:auto}.ps-print-page .ps-sheet{width:100%;height:100%}}.adm .hska{gap:20px;padding:0}.adm .hska__modes{background:var(--line-soft);border-radius:8px;padding:4px}.adm .hska__mode,.adm .hska__sort{font-family:var(--disp);color:var(--muted);border-radius:6px;font-size:13px}.adm .hska__mode--on{background:var(--sheet);color:var(--text);box-shadow:none}.adm .hska__input,.adm .hska__textarea{background:var(--sheet);color:var(--text);border-color:var(--line);font-family:var(--disp);border-radius:8px}.adm .hska__go{font-family:var(--disp);background:var(--red);border-radius:8px;font-size:13px}.adm .hska__headline{border:1px solid var(--line);background:var(--sheet);border-radius:12px;padding:24px}.adm .hska__headline-num{font-variant-numeric:tabular-nums;color:var(--text);font-size:32px}.adm .hska__word{border-color:var(--line);background:var(--sheet);border-radius:8px}.adm .hska__word--top{background:var(--rose-bg);border-color:#e9b9b2}.adm .hska__legend,.adm .hska__tools,.adm .hska__py,.adm .hska__gloss{color:var(--muted)}.adm .sup-adm2{grid-template-columns:minmax(240px,300px) minmax(0,1fr);gap:20px;max-width:none}.adm .sup-adm2__pane{background:var(--sheet);border-color:var(--line);border-radius:12px}.adm .sup-adm__row{box-shadow:none;border-color:var(--line);background:var(--sheet);border-radius:8px}.adm .sup-adm__row:hover{background:var(--line-soft)}.adm .sup-adm__row--active{background:var(--rose-bg);box-shadow:none;border-color:#e9b9b2}.adm .sup-adm__who{font-family:var(--disp);overflow-wrap:anywhere;font-size:13px;font-weight:600}.adm .sup-adm__time,.adm .sup-adm__page{font-family:var(--disp);color:var(--muted);letter-spacing:normal}.adm .sup-adm__badge{font-family:var(--disp);letter-spacing:normal;text-transform:none;border-radius:5px}.adm .sup-adm__bar{background:var(--sheet);border-bottom-color:var(--line)}.adm .sup-adm__thread{background:var(--paper)}.adm .sup-adm__close-btn{font-family:var(--disp);background:var(--sheet);border-radius:7px}.adm .sup-adm2__pane .sup__form{background:var(--sheet);border-top-color:var(--line)}.adm .sup-adm2__pane .sup__input{font-family:var(--disp);background:var(--paper);border-radius:8px}.adm .sup-adm2__pane .sup__msg{font-family:var(--disp);font-size:13px;line-height:1.7}.adm .sup-adm__quote-bar{background:var(--line-soft);border-radius:8px}.adm__dm{background:var(--sheet)}.adm__dm-note{color:var(--muted);font-family:var(--disp);letter-spacing:normal;font-size:11px;line-height:1.6}@media (max-width:900px){.adm .sup-adm2{grid-template-columns:1fr}.adm .sup-adm__close-btn{min-height:44px}}.adm .sup-adm__row{grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:14px 16px;display:grid}.adm .sup-adm__row-main{grid-column:1/-1}.adm .sup-adm__row .sup-adm__who{white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.adm .sup-adm__row--active:hover{background:var(--rose-bg)}.adm .sup-adm__row .sup-adm__badge{grid-column:2;justify-self:end}.adm .sup-adm__bar .sup-adm__who{min-width:0}.adm .sup-adm__bar{grid-template-columns:minmax(0,1fr) auto;gap:6px 12px;display:grid}.adm .sup-adm__bar .sup-adm__who{text-overflow:ellipsis;white-space:nowrap;grid-area:1/1;overflow:hidden}.adm .sup-adm__bar .sup-adm__page{grid-area:2/1;font-size:11px}.adm .sup-adm__bar .sup-adm__close-btn{grid-area:1/2/3}@media (max-width:900px){.adm .sup-adm__bar{grid-template-columns:44px minmax(0,1fr) auto}.adm .sup-adm__bar .sup-adm__back{grid-area:1/1/3}.adm .sup-adm__bar .sup-adm__who,.adm .sup-adm__bar .sup-adm__page{grid-column:2}.adm .sup-adm__bar .sup-adm__close-btn{grid-column:3}.adm .sup-adm__time{display:inline}.adm .sup-adm__back{min-width:44px;min-height:44px}}