:root{color-scheme:light;--bg: #f6f7f9;--surface: #ffffff;--surface-2: #eef1f4;--text: #1b1f24;--muted: #5b636c;--border: #e1e5ea;--accent: #1f6feb;--accent-contrast: #ffffff;--sent-active-bg: #ffe08a;--translation-bg: #eef4ff;--translation-text: #28406b;--reader-font-size: 1.15rem;--reader-line: 1.75;--maxw: 760px}:root[data-theme=dark]{color-scheme:dark;--bg: #111315;--surface: #191c20;--surface-2: #24282d;--text: #eef2f6;--muted: #a5adb7;--border: #343a42;--accent: #78a8ff;--accent-contrast: #111315;--sent-active-bg: #5a4316;--translation-bg: #1b2941;--translation-text: #dbe8ff}*{box-sizing:border-box}html,body{margin:0;padding:0}html{scroll-behavior:smooth}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}.muted{color:var(--muted)}.theme-switch{position:fixed;right:12px;bottom:12px;z-index:80;display:flex;gap:2px;padding:3px;background:color-mix(in 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h1{max-width:720px;margin:0;font-size:clamp(3rem,7.6vw,6.1rem);line-height:1;letter-spacing:0}.landing-hero__lead{max-width:640px;margin:18px 0 0;font-size:clamp(1.08rem,2vw,1.34rem);line-height:1.5}.landing-hero__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.landing-hero__primary,.landing-hero__secondary{min-height:42px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;padding:9px 14px;font-size:1rem;font-weight:650;text-decoration:none;cursor:pointer}.landing-hero__primary{border:1px solid #111315;background:#111315;color:#fff}.landing-hero__secondary{border:1px solid rgba(17,19,21,.26);background:#ffffff3d;color:#111315}.landing-hero__primary:hover,.landing-hero__secondary:hover{filter:brightness(1.05)}.landing-points{display:flex;flex-wrap:wrap;gap:8px 16px;max-width:720px;margin:22px 0 0;padding:0;list-style:none;color:#111315b8;font-size:.92rem}.landing-points li{position:relative;padding-left:14px}.landing-points li:before{content:"";position:absolute;left:0;top:.72em;width:5px;height:5px;border-radius:50%;background:#111315}.landing-preview{min-width:0;padding:16px;border:1px solid rgba(17,19,21,.14);border-radius:8px;background:#ffffff57;box-shadow:0 18px 55px #59401429}.landing-preview__bar{display:flex;justify-content:space-between;gap:12px;margin-bottom:12px;color:#111315ad;font-size:.78rem;font-weight:750;text-transform:uppercase}.landing-preview__text{margin:0 0 10px;padding:14px;border:1px solid rgba(17,19,21,.08);border-radius:8px;background:#ffffff8f;font-family:Georgia,Times New Roman,serif;font-size:1.08rem;line-height:1.6}.landing-preview__hint{display:grid;gap:4px;padding:12px;border:1px solid rgba(17,19,21,.08);border-radius:8px;background:#ffffffad}.landing-preview__hint+.landing-preview__hint{margin-top:8px}.landing-preview__hint strong{color:#1f6feb;font-size:.78rem;text-transform:uppercase}.landing-preview__hint 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80px}.chapter{font-size:var(--reader-font-size);line-height:var(--reader-line)}.para{margin:0 0 1em;position:relative}.para__ladder{position:absolute;left:-34px;top:.2em;border:1px solid var(--border);background:var(--surface);color:var(--muted);border-radius:6px;padding:0 5px;font-size:.75rem;cursor:pointer;opacity:.35}.para:hover .para__ladder{opacity:1}.sent{cursor:pointer;border-radius:4px;padding:0 1px;transition:background .12s;outline:none}.sent:hover{background:var(--surface-2)}.sent:focus-visible{box-shadow:0 0 0 2px var(--accent)}.sent--active,.sent--active:hover{background:var(--sent-active-bg)}.tpanel{background:var(--surface);display:flex;flex-direction:column;overflow:hidden}.tpop-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:49;background:transparent}.tpop{z-index:50;width:min(calc(100vw - 16px),calc(var(--maxw) - 32px));border:1px solid color-mix(in srgb,var(--text) 14%,transparent);border-radius:14px;box-shadow:0 12px 40px #00000047;animation:tpop-in 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