:root{--paper:#f4f2ed;--card:#fff;--line:#e3dfd6;--line-strong:#8d887e;--ink:#2b2a28;--ink-soft:#6b675f;--ink-faint:#736e65;--ok:#3d7a4f;--ok-bg:#edf4ee;--warn:#8f6310;--warn-bg:#f9f2e3;--bad:#a83a3a;--bad-bg:#f9ecec;--bad-line:#eacaca;--well:#f4f2ed;--on-ink:#fff;--ink-hover:#1d1c1b;--ring:#6b675f;--radius:14px;--radius-sm:10px;--tap:56px;--font:-apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}html{background:var(--paper);color:var(--ink);font-family:var(--font);-webkit-text-size-adjust:100%;font-size:18px;line-height:1.55}body{padding:0 16px calc(24px + env(safe-area-inset-bottom));margin:0;max-width:640px;margin-inline-start:auto;margin-inline-end:auto}a{color:inherit}button{font:inherit;color:inherit;cursor:pointer}.masthead{padding:28px 4px 14px}.masthead h1{letter-spacing:.02em;align-items:baseline;gap:10px;margin:0;font-weight:600;display:flex}.masthead .hanzi{font-size:30px}.masthead .latin{color:var(--ink-soft);letter-spacing:.08em;font-size:17px;font-weight:500}.tagline{color:var(--ink-soft);margin:4px 0 0;font-size:17px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px;padding:20px 18px}.field-label{margin-bottom:8px;font-weight:600;display:block}.input-wrap{position:relative}textarea{width:100%;min-height:108px;font:inherit;color:var(--ink);background:var(--well);border:1.5px solid var(--line-strong);border-radius:var(--radius-sm);resize:vertical;padding:14px 48px 14px 16px;font-size:20px;line-height:1.5}textarea::placeholder{color:var(--ink-faint)}textarea:focus{border-color:var(--ink);box-shadow:0 0 0 2px var(--card), 0 0 0 5px var(--ring);outline:none}.clear{width:40px;height:40px;color:var(--ink-soft);background:0 0;border:none;border-radius:50%;font-size:26px;line-height:1;position:absolute;top:8px;right:8px}.clear:hover{background:var(--line)}.clear:focus-visible{background:var(--line)}.clear:focus-visible{outline:3px solid var(--ring);outline-offset:-3px}.examples{flex-wrap:wrap;align-items:center;gap:8px;margin:12px 0 4px;display:flex}.examples-label{color:var(--ink-soft);font-size:16px}.chip{border:1px solid var(--line-strong);background:var(--card);min-height:40px;color:var(--ink-soft);text-align:left;border-radius:999px;padding:6px 14px;font-size:16px}.chip:hover{border-color:var(--ink);color:var(--ink)}.chip:focus-visible{border-color:var(--ink);color:var(--ink)}.chip:focus-visible{outline:3px solid var(--ring);outline-offset:2px}.segmented{border:none;margin:18px 0 0;padding:0}.segmented legend{margin-bottom:8px;padding:0;font-weight:600}.segmented label{display:inline-block}.segmented{grid-template-columns:repeat(3,1fr);gap:0;display:grid}.segmented legend{grid-column:1/-1}.segmented input{opacity:0;width:0;height:0;position:absolute}.segmented span{border:1.5px solid var(--line-strong);background:var(--card);min-height:48px;color:var(--ink-soft);justify-content:center;align-items:center;margin-left:-1.5px;font-size:17px;display:flex}.segmented label:first-of-type span{border-radius:var(--radius-sm) 0 0 var(--radius-sm);margin-left:0}.segmented label:last-of-type span{border-radius:0 var(--radius-sm) var(--radius-sm) 0}.segmented input:checked+span{background:var(--ink);border-color:var(--ink);color:var(--on-ink);z-index:1;position:relative}.segmented input:focus-visible+span{box-shadow:0 0 0 2px var(--card), 0 0 0 5px var(--ring);z-index:2}.switch{cursor:pointer;align-items:center;gap:12px;min-height:48px;margin-top:14px;display:flex}.switch input{opacity:0;width:0;height:0;position:absolute}.switch-track{background:var(--line-strong);border-radius:999px;flex:none;width:50px;height:30px;transition:background .15s;position:relative}.switch-track:after{content:"";background:var(--on-ink);border-radius:50%;width:24px;height:24px;transition:transform .15s;position:absolute;top:3px;left:3px}.switch input:checked+.switch-track{background:var(--ink)}.switch input:checked+.switch-track:after{transform:translate(20px)}.switch input:focus-visible+.switch-track{box-shadow:0 0 0 2px var(--card), 0 0 0 5px var(--ring)}.primary{width:100%;min-height:var(--tap);border-radius:var(--radius-sm);background:var(--ink);color:var(--on-ink);letter-spacing:.04em;border:none;margin-top:18px;font-size:19px;font-weight:600;display:block}.primary:hover{background:var(--ink-hover)}.primary:focus-visible{outline:3px solid var(--ring);outline-offset:2px}.primary.done{background:var(--ok)}.result{border-color:var(--line-strong)}.status{border-radius:var(--radius-sm);margin:0 0 12px;padding:10px 14px;font-size:16px;font-weight:600}.status.exact{background:var(--ok-bg);color:var(--ok)}.status.inferred{background:var(--warn-bg);color:var(--warn)}.status.unknown{background:var(--bad-bg);color:var(--bad)}.english{word-break:break-word;-webkit-user-select:all;user-select:all;margin:0;font-size:22px;font-weight:500;line-height:1.5}.english .seg-inferred{-webkit-text-decoration:underline solid var(--warn);text-decoration:underline solid var(--warn);text-underline-offset:4px;text-decoration-thickness:3px}.english .seg-unknown{-webkit-text-decoration:underline wavy var(--bad);text-decoration:underline wavy var(--bad);text-underline-offset:4px;text-decoration-thickness:3px}.issues{margin:14px 0 0;padding:0;list-style:none}.issues:empty{display:none}.issues li{color:var(--ink-soft);border-top:1px solid var(--line);padding:8px 0 8px 26px;font-size:16px;position:relative}.issues li:before{content:"";background:var(--warn);border-radius:50%;width:10px;height:10px;position:absolute;top:16px;left:6px}.issues li.bad:before{background:var(--bad);border-radius:2px;transform:rotate(45deg)}.issues li.info:before{border:3px solid var(--line-strong);background:0 0}.details{border-top:1px solid var(--line);margin-top:14px;padding-top:6px}.details summary{min-height:44px;color:var(--ink-soft);cursor:pointer;align-items:center;gap:8px;font-size:16px;list-style:none;display:flex}.details summary::-webkit-details-marker{display:none}.details summary:before{content:"";border-right:2px solid var(--ink-soft);border-bottom:2px solid var(--ink-soft);width:8px;height:8px;transition:transform .15s;transform:rotate(-45deg)}.details[open] summary:before{transform:rotate(45deg)}.segments{border-collapse:collapse;width:100%;font-size:16px}.segments td{border-top:1px solid var(--line);vertical-align:top;padding:8px 4px}.segments td:first-child{color:var(--ink-soft);white-space:nowrap;width:6.5em}.segments td:last-child{text-align:center;width:1.4em}.dot{vertical-align:middle;border-radius:50%;width:12px;height:12px;display:inline-block}.dot.exact{background:var(--ok)}.dot.inferred{border:3px solid var(--warn);background:0 0}.dot.unknown{background:var(--bad);border-radius:2px;transform:rotate(45deg)}.note{color:var(--ink-faint);margin:8px 4px 0;font-size:15px}footer{color:var(--ink-faint);margin-top:28px;padding:0 4px;font-size:14px}footer p{margin:0}.error{background:var(--bad-bg);border-color:var(--bad-line);color:var(--bad)}.choices[hidden]{display:none}.choices{flex-wrap:wrap;gap:8px;margin-top:12px;display:flex}.choices button{min-height:var(--tap);border:1.5px solid var(--bad);background:var(--card);color:var(--ink);font:inherit;border-radius:999px;padding:8px 18px;font-size:17px;font-weight:600}.choices button:hover{background:var(--ink);border-color:var(--ink);color:var(--on-ink)}.choices button:focus-visible{background:var(--ink);border-color:var(--ink);color:var(--on-ink)}.choices button:focus-visible{outline:3px solid var(--ring);outline-offset:2px}.error p{margin:0;font-weight:600}@media (min-width:600px){.masthead{padding-top:40px}.card{padding:24px}}@media (prefers-reduced-motion:reduce){.switch-track,.switch-track:after{transition:none}}@media (prefers-color-scheme:dark){:root{--paper:#161513;--card:#201f1c;--line:#322f2a;--line-strong:#787063;--ink:#ece8e0;--ink-soft:#b0aa9e;--ink-faint:#8f8a80;--ok:#86c496;--ok-bg:#1a2b1f;--warn:#e2b566;--warn-bg:#2e2617;--bad:#f0928f;--bad-bg:#321e1e;--bad-line:#5e3838;--well:#100f0e;--on-ink:#161513;--ink-hover:#f6f3ee;--ring:#b0aa9e}}