@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/plus-jakarta-sans-cyrillic-ext-400-normal-CJkVxub1.woff2) format("woff2"),url(/assets/plus-jakarta-sans-cyrillic-ext-400-normal-Dbdydbkh.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/plus-jakarta-sans-vietnamese-400-normal-Cg2kxhWu.woff2) format("woff2"),url(/assets/plus-jakarta-sans-vietnamese-400-normal-B8TCSmUq.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/plus-jakarta-sans-latin-ext-400-normal-D127hM_v.woff2) format("woff2"),url(/assets/plus-jakarta-sans-latin-ext-400-normal-2ppkqaOR.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/plus-jakarta-sans-latin-400-normal-Dhut76fR.woff2) format("woff2"),url(/assets/plus-jakarta-sans-latin-400-normal-BDKaGhyp.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/plus-jakarta-sans-cyrillic-ext-600-normal-C5KBqx06.woff2) format("woff2"),url(/assets/plus-jakarta-sans-cyrillic-ext-600-normal-BtwufOTE.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/plus-jakarta-sans-vietnamese-600-normal-Y4VTTRme.woff2) format("woff2"),url(/assets/plus-jakarta-sans-vietnamese-600-normal-5YsyKbU1.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/plus-jakarta-sans-latin-ext-600-normal-DQgPU_Cg.woff2) format("woff2"),url(/assets/plus-jakarta-sans-latin-ext-600-normal-B0WRRYJ1.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/plus-jakarta-sans-latin-600-normal-DLTa1BUW.woff2) format("woff2"),url(/assets/plus-jakarta-sans-latin-600-normal-BR_Ojra4.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/plus-jakarta-sans-cyrillic-ext-700-normal-iShZaXYX.woff2) format("woff2"),url(/assets/plus-jakarta-sans-cyrillic-ext-700-normal-pWfpUei5.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/plus-jakarta-sans-vietnamese-700-normal-CV6qDkkj.woff2) format("woff2"),url(/assets/plus-jakarta-sans-vietnamese-700-normal-BCh_uG_5.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/plus-jakarta-sans-latin-ext-700-normal-BajbvANd.woff2) format("woff2"),url(/assets/plus-jakarta-sans-latin-ext-700-normal-8-d-IyIQ.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/plus-jakarta-sans-latin-700-normal-CfpNZvy6.woff2) format("woff2"),url(/assets/plus-jakarta-sans-latin-700-normal-DqEcQeE5.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/plus-jakarta-sans-cyrillic-ext-800-normal-DyqSzs2i.woff2) format("woff2"),url(/assets/plus-jakarta-sans-cyrillic-ext-800-normal-lQKgVBUR.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/plus-jakarta-sans-vietnamese-800-normal-CxbopLd3.woff2) format("woff2"),url(/assets/plus-jakarta-sans-vietnamese-800-normal-BkoGl_sr.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/plus-jakarta-sans-latin-ext-800-normal-B6BjB2Ju.woff2) format("woff2"),url(/assets/plus-jakarta-sans-latin-ext-800-normal-BPkb-LBK.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Plus Jakarta Sans;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/plus-jakarta-sans-latin-800-normal-CusIZhrK.woff2) format("woff2"),url(/assets/plus-jakarta-sans-latin-800-normal-BRNHt2w0.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--river: #0f3d44;--river-2: #1b5a62;--river-soft: #e1eeec;--gold: #e9a23b;--gold-soft: #fbefd9;--paper: #f3f7f6;--surface: #ffffff;--ink: #14262b;--ink-2: #4a5f64;--line: #d5e1df;--ok: #1e7a4c;--ok-soft: #e2f3ea;--bad: #b3261e;--bad-soft: #fbe7e5;--t1: #c0392b;--t2: #a65f00;--t3: #1e7a4c;--t4: #2f5fc4;--t5: #6b7b80;--on-river: #ffffff;--focus: #e9a23b;--font: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-zh: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Noto Sans CJK SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;--r-sm: 10px;--r-md: 14px;--r-lg: 22px;color-scheme:light}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--river: #8fd0cf;--river-2: #b5e2e0;--river-soft: #17393e;--gold: #f0b257;--gold-soft: #3a2c14;--paper: #0b1c20;--surface: #11282d;--ink: #e6f0ee;--ink-2: #a7bdba;--line: #24434a;--ok: #6fd39b;--ok-soft: #12352a;--bad: #ff8a7a;--bad-soft: #3d1a17;--t1: #ff8a7a;--t2: #f2b35b;--t3: #6fd39b;--t4: #8db0ff;--t5: #93a6a9;--on-river: #0b1c20;color-scheme:dark}}:root[data-theme=dark]{--river: #8fd0cf;--river-2: #b5e2e0;--river-soft: #17393e;--gold: #f0b257;--gold-soft: #3a2c14;--paper: #0b1c20;--surface: #11282d;--ink: #e6f0ee;--ink-2: #a7bdba;--line: #24434a;--ok: #6fd39b;--ok-soft: #12352a;--bad: #ff8a7a;--bad-soft: #3d1a17;--t1: #ff8a7a;--t2: #f2b35b;--t3: #6fd39b;--t4: #8db0ff;--t5: #93a6a9;--on-river: #0b1c20;color-scheme:dark}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}img,svg{display:block;max-width:100%}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.zh{font-family:var(--font-zh);font-weight:500;letter-spacing:.02em}.app{max-width:480px;margin:0 auto;min-height:100dvh;display:flex;flex-direction:column}.page{padding:20px 16px 40px;flex:1}.page--center{display:flex;flex-direction:column;justify-content:center}.stack>*+*{margin-top:16px}.stack-sm>*+*{margin-top:8px}.row{display:flex;gap:12px;align-items:center}.row--between{justify-content:space-between}.muted{color:var(--ink-2)}.small{font-size:14px}.center{text-align:center}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}h1,h2,h3{margin:0;line-height:1.2;letter-spacing:-.01em}h1{font-size:28px;font-weight:800}h2{font-size:21px;font-weight:700}h3{font-size:17px;font-weight:700}p{margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 22px;border-radius:var(--r-md);border:1.5px solid transparent;font-weight:700;font-size:16px;text-decoration:none;transition:transform .08s ease,background .15s ease}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn--primary{background:var(--river);color:var(--on-river)}.btn--gold{background:var(--gold);color:#1d1405}.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}.btn--quiet{background:transparent;color:var(--river);min-height:44px;padding:0 12px}.btn--block{width:100%}.btn--sm{min-height:40px;padding:0 14px;font-size:15px;border-radius:var(--r-sm)}.icon-btn{width:44px;height:44px;border-radius:12px;border:0;background:transparent;display:inline-grid;place-items:center;color:var(--ink)}.icon-btn svg{width:24px;height:24px}.field{display:block}.field__label{display:block;font-weight:600;margin-bottom:6px}.input,.textarea,.select{width:100%;min-height:52px;padding:12px 14px;border-radius:var(--r-md);border:1.5px solid var(--line);background:var(--surface)}.textarea{min-height:110px;resize:vertical}.input:focus,.textarea:focus,.select:focus{border-color:var(--river);outline:none;box-shadow:0 0 0 3px var(--river-soft)}.input--code{font-size:28px;letter-spacing:.4em;text-align:center;font-variant-numeric:tabular-nums}.check{display:flex;gap:12px;align-items:flex-start;padding:12px 0}.check input{width:22px;height:22px;margin-top:2px;accent-color:var(--river);flex:none}.notice{padding:12px 14px;border-radius:var(--r-md);font-size:15px}.notice--error{background:var(--bad-soft);color:var(--bad)}.notice--ok{background:var(--ok-soft);color:var(--ok)}.notice--info{background:var(--river-soft);color:var(--ink)}.notice--warn{background:var(--gold-soft);color:var(--ink)}.options{display:grid;gap:10px}.option{text-align:left;padding:14px 16px;border-radius:var(--r-md);border:1.5px solid var(--line);background:var(--surface);min-height:56px}.option[aria-pressed=true]{border-color:var(--river);box-shadow:inset 0 0 0 1.5px var(--river);background:var(--river-soft)}.option__title{font-weight:700;display:block}.option__desc{color:var(--ink-2);font-size:14px;display:block;margin-top:2px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink);text-decoration:none}.brand__mark{width:32px;height:32px}.brand__zh{font-family:var(--font-zh);color:var(--ink-2);font-weight:500;font-size:15px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 8px 4px 16px}.gate-hero{position:relative;padding:40px 0 8px}.gate-hero__glyph{font-family:var(--font-zh);font-size:112px;line-height:1;color:var(--river);font-weight:600;letter-spacing:-.02em}.gate-hero__line{margin-top:18px;font-size:26px;font-weight:800;line-height:1.2;max-width:16ch}.gate-hero__sub{margin-top:10px;color:var(--ink-2);max-width:34ch}.greeting{padding-top:4px}.today{background:var(--river);color:var(--on-river);border-radius:var(--r-lg);padding:22px 20px 20px;position:relative;overflow:hidden}.today__id{font-weight:700;opacity:.8;font-size:14px}.today__title{font-size:24px;font-weight:800;margin-top:4px;line-height:1.2}.today__meta{margin-top:6px;opacity:.85;font-size:15px}.today .btn{margin-top:18px}.today__wave{position:absolute;right:-18px;top:-26px;width:120px;opacity:.16;pointer-events:none}.today>:not(.today__wave){position:relative}.stat-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:14px 16px;text-decoration:none;color:inherit;display:block}.stat__num{font-size:30px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}.stat__label{margin-top:6px;color:var(--ink-2);font-size:14px}a.stat:hover{border-color:var(--river)}.ladder{position:relative;padding-left:28px}.ladder:before{content:"";position:absolute;left:11px;top:10px;bottom:10px;width:2px;background:linear-gradient(var(--line),var(--line)) no-repeat}.ladder__item{position:relative;display:flex;align-items:center;gap:12px;padding:10px 0;min-height:52px;color:inherit;text-decoration:none}.ladder__dot{position:absolute;left:-28px;width:24px;height:24px;border-radius:50%;background:var(--paper);border:2px solid var(--line);display:grid;place-items:center}.ladder__item--done .ladder__dot{background:var(--ok);border-color:var(--ok)}.ladder__item--done .ladder__dot:after{content:"";width:10px;height:6px;border-left:2.5px solid #fff;border-bottom:2.5px solid #fff;transform:rotate(-45deg) translate(1px,-1px)}.ladder__item--open .ladder__dot{border-color:var(--gold);background:var(--gold-soft)}.ladder__item--open .ladder__dot:after{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold)}.ladder__id{font-weight:800;width:34px;flex:none;font-variant-numeric:tabular-nums}.ladder__title{flex:1}.ladder__item--locked{color:var(--ink-2)}.ladder__rest{color:var(--ink-2);font-size:14px;padding:8px 0 0}.ladder__gate{display:flex;align-items:center;gap:10px;padding:4px 0 10px}.ladder__gate-mark{position:absolute;left:-30px;width:28px;height:28px}.player{min-height:100dvh;display:flex;flex-direction:column}.player__bar{position:sticky;top:0;z-index:5;background:var(--paper);padding:8px 8px 10px}.player__bar-row{display:flex;align-items:center;gap:4px}.steps{display:grid;grid-template-columns:repeat(8,1fr);gap:4px;flex:1;padding:0 6px}.steps__seg{height:6px;border-radius:3px;background:var(--line)}.steps__seg--done{background:var(--river)}.steps__seg--now{background:var(--gold)}.player__step-name{padding:6px 16px 0;font-size:14px;color:var(--ink-2);font-weight:600}.player__step-name .zh{color:var(--ink);font-size:16px;margin-right:4px}.player__note{padding:2px 16px 0;font-size:12px;color:var(--ink-2)}.player__body{flex:1;padding:8px 16px 120px}.player__foot{position:fixed;left:0;right:0;bottom:0;z-index:5;background:linear-gradient(to top,var(--paper) 70%,transparent);padding:20px 16px calc(16px + env(safe-area-inset-bottom))}.player__foot-inner{max-width:448px;margin:0 auto;display:grid;gap:8px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px}.card--flat{border:0;background:transparent;padding:0}.card__title{font-weight:700;font-size:17px;margin-bottom:10px}.video-slot{aspect-ratio:16 / 9;border-radius:var(--r-lg);background:var(--river);color:var(--on-river);display:grid;place-items:center;padding:20px;text-align:center}.video-slot__label{font-size:14px;opacity:.9;max-width:30ch}.ai-label{font-size:13px;color:var(--ink-2)}.word{display:grid;grid-template-columns:minmax(64px,auto) 1fr 44px;gap:14px;align-items:center;padding:14px 0;border-top:1px solid var(--line)}.word:first-of-type{border-top:0}.word__hanzi{font-family:var(--font-zh);font-size:40px;line-height:1.1;text-align:center;white-space:nowrap}.word__text{display:grid;gap:2px;min-width:0}.word__py{font-size:18px;font-weight:600}.word__arti{color:var(--ink);font-size:15px}.word__ex{font-size:14px;color:var(--ink-2)}.py{font-weight:600}.tone-1{color:var(--t1)}.tone-2{color:var(--t2)}.tone-3{color:var(--t3)}.tone-4{color:var(--t4)}.tone-5{color:var(--t5)}.dialogue{display:grid;gap:10px}.line{display:grid;grid-template-columns:56px 1fr 44px;gap:8px;align-items:start}.line__who{font-weight:700;font-size:14px;padding-top:6px;color:var(--ink-2)}.line__who .zh{color:var(--ink);font-size:15px}.line__bubble{background:var(--surface);border:1px solid var(--line);border-radius:4px 16px 16px;padding:10px 12px}.line--self .line__bubble{background:var(--river-soft);border-color:transparent}.line__zh{font-family:var(--font-zh);font-size:20px;line-height:1.45}.line__py{font-size:15px;margin-top:2px}.line__id{font-size:15px;color:var(--ink-2);margin-top:2px}.tone-row{display:grid;grid-template-columns:56px 1fr;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}.tone-row:first-of-type{border-top:0}.tone-row__chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.chip{border:1.5px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 12px;font-weight:600;min-height:36px}.prompt{font-size:19px;font-weight:700}.prompt-zh{font-family:var(--font-zh);font-size:30px}.choices{display:grid;gap:10px}.choices--grid{grid-template-columns:1fr 1fr}.choice{min-height:56px;padding:12px 16px;border-radius:var(--r-md);text-align:left;border:1.5px solid var(--line);background:var(--surface);font-weight:600;font-size:17px}.choice--zh{font-family:var(--font-zh);font-size:22px;font-weight:500}.choice--mark{font-size:28px;line-height:1;text-align:center}.choice[aria-pressed=true]{border-color:var(--river);box-shadow:inset 0 0 0 1.5px var(--river)}.choice--right{border-color:var(--ok)!important;background:var(--ok-soft);box-shadow:inset 0 0 0 1.5px var(--ok)!important}.choice--wrong{border-color:var(--bad)!important;background:var(--bad-soft)}.feedback{border-radius:var(--r-md);padding:14px 16px}.feedback--right{background:var(--ok-soft)}.feedback--wrong{background:var(--bad-soft)}.feedback__head{font-weight:800}.feedback--right .feedback__head{color:var(--ok)}.feedback--wrong .feedback__head{color:var(--bad)}.counter{font-size:14px;color:var(--ink-2);font-weight:600;font-variant-numeric:tabular-nums}.audio-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.audio-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);font-weight:600}.audio-btn svg{width:18px;height:18px}.audio-btn--icon{width:44px;height:44px;min-height:44px;padding:0;justify-content:center;border-radius:50%}.audio-btn--big{min-height:64px;padding:0 26px;font-size:18px;border-color:var(--river);color:var(--river)}.audio-btn--big svg{width:24px;height:24px}.audio-btn[data-playing=true]{background:var(--river-soft)}.temp-voice{font-size:12px;color:var(--ink-2)}.rec-btn{width:84px;height:84px;border-radius:50%;border:0;background:var(--bad);color:#fff;display:grid;place-items:center;margin:0 auto;box-shadow:0 0 0 6px var(--bad-soft)}.rec-btn svg{width:34px;height:34px}.rec-btn[data-recording=true]{animation:pulse 1.2s ease-in-out infinite}@keyframes pulse{50%{box-shadow:0 0 0 14px var(--bad-soft)}}.big-hanzi{font-family:var(--font-zh);font-size:64px;line-height:1.15;text-align:center}.big-py{font-size:22px;text-align:center}.writer{width:260px;height:260px;margin:0 auto;position:relative;background:var(--surface);border:1.5px solid var(--line);border-radius:var(--r-md);touch-action:none}.writer svg.grid{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.writer__target{position:absolute;inset:0}.tiles{display:flex;flex-wrap:wrap;gap:8px}.tile{min-height:52px;min-width:56px;padding:8px 14px;border-radius:var(--r-md);border:1.5px solid var(--line);background:var(--surface);font-size:20px}.tile--zh{font-family:var(--font-zh);font-size:24px}.tile[aria-pressed=true]{border-color:var(--river);box-shadow:inset 0 0 0 1.5px var(--river)}.tile--done{opacity:.35}.tile--wrong{border-color:var(--bad);background:var(--bad-soft)}.order-slot{min-height:64px;border:1.5px dashed var(--line);border-radius:var(--r-md);padding:6px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}.badges{display:grid;grid-template-columns:1fr 1fr;gap:10px}.badge{border-radius:14px;background:var(--surface);border:1px solid var(--line);overflow:hidden;text-align:center}.badge__top{background:var(--river);color:var(--on-river);font-size:12px;font-weight:700;padding:6px}.badge__photo{width:48px;height:48px;border-radius:50%;background:var(--river-soft);margin:12px auto 6px}.badge__name{font-family:var(--font-zh);font-size:18px;padding:0 8px}.badge__latin{font-size:13px;color:var(--ink-2);padding:0 8px 12px}.result-hero{text-align:center;padding:24px 0 8px}.result-hero__score{font-size:56px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}.grades{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.grade{min-height:64px;border-radius:var(--r-md);border:1.5px solid var(--line);background:var(--surface);font-weight:700;display:grid;align-content:center;gap:2px}.grade small{font-weight:500;color:var(--ink-2);font-size:12px}.grade--again{border-color:var(--bad);color:var(--bad)}.grade--good{border-color:var(--river);color:var(--river)}.modal-backdrop{position:fixed;inset:0;background:#0814178c;z-index:20;display:flex;align-items:flex-end;justify-content:center}.modal{background:var(--paper);width:100%;max-width:480px;border-radius:var(--r-lg) var(--r-lg) 0 0;padding:20px 16px calc(20px + env(safe-area-inset-bottom));max-height:90dvh;overflow:auto}@media(min-width:560px){.modal-backdrop{align-items:center}.modal{border-radius:var(--r-lg)}}.splash{min-height:100dvh;display:grid;place-items:center}.spinner{width:28px;height:28px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--river);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.sync-note{font-size:13px;color:var(--ink-2);text-align:center}.legal h2{margin-top:20px}.legal p,.legal li{color:var(--ink)}.legal ul{padding-left:20px}.link-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.link-list a{color:var(--river);font-weight:600}hr.sep{border:0;border-top:1px solid var(--line);margin:20px 0}
