:root{--bg: #0d1120;--surface: #141a2e;--surface-2: #1b2336;--text: #e8eefc;--muted: #93a0bd;--border: #28324b;--accent: #ff7a59;--accent-2: #7fd1b0;--shadow: 0 18px 50px rgba(0, 0, 0, .45)}[data-theme=light]{--bg: #f6f1e7;--surface: #fffdf8;--surface-2: #efe7d8;--text: #1d2433;--muted: #6b6354;--border: #e3d9c6;--accent: #c8553d;--accent-2: #3f6f5e;--shadow: 0 18px 50px rgba(80, 60, 30, .18)}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:"Noto Serif SC",Fraunces,Georgia,serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app{min-height:100%;display:flex;flex-direction:column}.boot{min-height:100vh;display:grid;place-content:center;gap:16px;text-align:center}.spinner{width:34px;height:34px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);animation:spin .9s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:14px clamp(16px,4vw,40px);background:color-mix(in srgb,var(--bg) 86%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.topbar-logo{display:flex;align-items:center;gap:10px;background:none;border:0;cursor:pointer;color:var(--text)}.logo-mark{color:var(--accent-2);font-size:22px}.logo-text{font-weight:700;font-size:19px;display:flex;flex-direction:column;line-height:1.05;text-align:left}.logo-text small{font-size:10px;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}.topbar-tools{display:flex;gap:8px}.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-size:17px;display:grid;place-content:center;transition:.15s}.icon-btn:hover{border-color:var(--accent)}.main{flex:1;width:min(1100px,100%);margin:0 auto;padding:clamp(20px,4vw,44px)}.page{animation:fade .3s ease}@keyframes fade{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.hero{text-align:center;padding:30px 0 26px}.eyebrow{letter-spacing:.32em;text-transform:uppercase;color:var(--accent-2);font-size:12px;margin:0 0 10px}.display{font-family:Fraunces,"Noto Serif SC",serif;font-size:clamp(40px,8vw,76px);font-weight:700;margin:0;line-height:1.02}.tagline{color:var(--muted);font-size:clamp(15px,2.4vw,19px);margin:14px 0 0}.series-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:18px}.series-card{border:0;cursor:pointer;border-radius:22px;padding:30px 26px;min-height:190px;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;text-align:left;color:#fff;box-shadow:var(--shadow);transition:.2s;position:relative;overflow:hidden}.series-card:hover{transform:translateY(-4px)}.series-name{font-size:28px;font-weight:700}.series-en{font-size:13px;letter-spacing:.16em;opacity:.82;text-transform:uppercase}.series-go{margin-top:12px;font-size:14px;font-weight:600}.series-head{display:flex;align-items:center;gap:18px;margin-bottom:22px}.back-btn{background:var(--surface);border:1px solid var(--border);color:var(--text);border-radius:12px;padding:10px 16px;cursor:pointer;font-size:14px}.back-btn:hover{border-color:var(--accent)}.book-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:18px}.book-card{border:0;padding:0;background:none;cursor:pointer}.book-cover{display:flex;flex-direction:column;justify-content:space-between;gap:8px;aspect-ratio:3 / 4;border-radius:16px;padding:16px;color:#fff;box-shadow:var(--shadow);position:relative;transition:.2s;overflow:hidden}.book-card:hover .book-cover{transform:translateY(-4px)}.book-level{align-self:flex-start;background:#ffffff38;border-radius:8px;padding:3px 9px;font-size:11px;font-weight:600;letter-spacing:.06em}.book-title{font-size:19px;font-weight:700;line-height:1.1}.book-zh{font-size:13px;opacity:.85}.book-play{position:absolute;right:14px;bottom:14px;width:38px;height:38px;border-radius:50%;background:#ffffffe6;color:#1d2433;display:grid;place-content:center;font-size:15px}.scaffold-note{text-align:center;color:var(--muted);font-size:13px;margin:30px auto 0;max-width:560px;line-height:1.6}.player-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#050810d1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);display:grid;place-content:center;padding:20px;z-index:50;animation:fade .2s ease}.player{width:min(560px,100%);background:var(--surface);border:1px solid var(--border);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}.player-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border)}.player-head b{font-size:17px}.player-zh{color:var(--muted)}.player-head small{display:block;color:var(--muted);font-size:12px;margin-top:2px}.player-stage{position:relative;width:100%;aspect-ratio:16 / 9;max-height:70vh;display:grid;place-content:center}.player-video{position:relative;z-index:2;width:100%;height:100%;display:block;background:transparent;max-height:70vh}.player-loading{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;flex-direction:column;gap:12px;align-items:center;justify-content:center;color:#fff;font-size:13px;text-shadow:0 1px 4px rgba(0,0,0,.5)}.player-fallback{position:absolute;top:0;right:0;bottom:0;left:0;z-index:1;display:flex;flex-direction:column;gap:10px;align-items:center;justify-content:center;color:#fff;text-align:center;padding:20px;text-shadow:0 1px 6px rgba(0,0,0,.45)}.player-fallback p{margin:0;font-size:15px;font-weight:600}.player-fallback small{color:#fffc;font-size:12px}.player-play-big{font-size:54px;opacity:.92}.player-hint{margin:0;padding:12px 18px;color:var(--muted);font-size:12px;text-align:center}@media(max-width:600px){.book-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:14px}}