:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#f8faf8;--paper:#fff;--ink:#18342f;--muted:#5c7069;--line:#dce5df;--accent:#176951;--soft:#e7f1eb;--warn:#87560b;--error:#a33434;--reading-size:18px}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang TC,sans-serif}a{color:var(--accent)}button,input,select,textarea{font:inherit}button,.button{border:1px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer;border-radius:9px;justify-content:center;align-items:center;min-height:44px;padding:9px 14px;text-decoration:none;display:inline-flex}button:hover,.button:hover{background:var(--soft)}button:disabled{opacity:.45;cursor:default}.primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}.primary:hover{filter:brightness(.9);background:var(--accent)}:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.topbar{border-bottom:1px solid var(--line);align-items:center;gap:20px;min-height:80px;padding:18px max(24px,50vw - 520px);display:flex}.brand{letter-spacing:-1.2px;color:var(--ink);font-size:27px;font-weight:750;text-decoration:none}.brand-mark{color:var(--accent);margin-left:6px}.product{color:var(--muted);font-size:14px}.language{margin-left:auto}select{background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:8px;min-height:44px;padding:8px}main{max-width:1040px;margin:auto;padding:48px 24px 110px}h1,h2,p{margin-top:0}h1{letter-spacing:-.7px;margin-bottom:16px;font-size:32px;line-height:1.25}h2{font-size:21px}.eyebrow{letter-spacing:1.7px;color:var(--accent);margin-bottom:14px;font-size:11px;font-weight:700}.pair-card{background:var(--paper);border:1px solid var(--line);border-radius:20px;max-width:600px;margin:10px auto;padding:36px}.intro{color:var(--muted);font-size:18px}.loading-card{min-height:390px}.loading-mark{color:var(--accent);margin-bottom:24px;font-size:36px;line-height:1}#verification iframe{width:100%;max-width:360px;color-scheme:inherit;background:0 0;border:0;display:block}#verification iframe:not([height="0"]){margin-bottom:20px}.boot-zh,html[lang=zh-Hant] .boot-en{display:none}html[lang=zh-Hant] .boot-zh{display:inline}form{gap:12px;margin:26px 0;display:grid}input[type=text],textarea{border:1px solid var(--line);background:var(--bg);width:100%;color:var(--ink);border-radius:9px;padding:12px}textarea{resize:vertical;overflow-wrap:anywhere;font-family:ui-monospace,monospace;font-size:13px}label{font-size:14px}.check{align-items:center;gap:9px;display:flex}.check input{accent-color:var(--accent);min-width:18px;min-height:18px}.hint,.privacy{color:var(--muted);font-size:13px}.privacy{border-top:1px solid var(--line);margin:26px 0 0;padding-top:20px}.hint{margin-bottom:12px}.button-row{flex-wrap:wrap;gap:10px;margin:14px 0;display:flex}#qr{aspect-ratio:1;background:#fff;width:232px;max-width:100%;height:auto;margin:24px auto;display:block}summary{cursor:pointer;min-height:44px;padding:8px 0}.reading-heading{justify-content:space-between;align-items:center;gap:24px;display:flex}.reading-heading h1{margin-bottom:8px}.connection{align-items:center;gap:9px;font-size:14px;display:flex}.dot{background:var(--muted);border-radius:50%;flex:none;width:8px;height:8px}.dot.live{background:var(--accent);box-shadow:0 0 0 4px var(--soft)}.dot.warn{background:var(--warn)}.toolbar{z-index:2;background:var(--bg);border-block:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:10px;margin:26px 0 12px;padding:16px 0;display:flex;position:sticky;top:0}.reading-state{color:var(--muted);flex-basis:100%;order:2;min-height:1.4em;font-size:12px}.reader-help{max-width:760px;margin:0 auto 30px}.reading-options{order:1;margin-left:auto;position:relative}.reading-options summary{font-size:13px}.reading-options-panel{border:1px solid var(--line);background:var(--paper);border-radius:12px;gap:12px;width:255px;padding:18px;display:grid;position:absolute;top:100%;right:0;box-shadow:0 8px 30px #0002}#readingText{min-height:80px;scroll-margin-top:100px}::selection{background:var(--accent);color:var(--paper)}.toolbar button,.toolbar label{font-size:13px}.toolbar label{align-items:center;gap:8px;display:flex}.toolbar #forget{margin-left:auto}.transcript,.tail{max-width:760px;font-size:var(--reading-size);overflow-wrap:anywhere;margin-inline:auto;line-height:1.9}.seg{white-space:pre-wrap;margin:0 0 20px}.show-times .seg:before{content:attr(data-time);color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px;line-height:1.7;display:block}.tail{color:var(--muted);white-space:pre-wrap}.tail:after{content:" ▎";color:var(--accent)}.empty{text-align:center;color:var(--muted);max-width:540px;margin:auto;padding:65px 20px}.empty-symbol{color:var(--accent);margin-bottom:12px;font-size:52px;display:block}.empty h2{color:var(--ink);margin-bottom:10px}.notice{background:var(--soft);border:1px solid var(--line);white-space:pre-wrap;border-radius:10px;padding:14px 18px;font-size:14px}.notice.error{color:var(--error)}#retention{max-width:760px;margin:36px auto 0}.floating-feedback{bottom:max(24px, env(safe-area-inset-bottom));z-index:3;pointer-events:none;justify-items:center;gap:10px;width:max-content;max-width:calc(100vw - 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32px);max-height:calc(100dvh - 190px);overflow-y:auto}h1:focus{outline-offset:6px}@media (max-width:480px){.toolbar{position:static}.reading-options{width:100%;margin-left:0}.reading-options-panel{width:100%;max-height:none;box-shadow:none;position:static}.pair-steps{padding-left:1.25rem}.pair-steps>li{padding-left:0}.button-row>*{width:100%}#pairCode{letter-spacing:.08em}.stream-check p.stream-check-code{font-size:22px}}