:root {color-scheme:dark;--bg:#222034;--text:#f6f3ea;--muted:#bcb9cf;--accent:#00deb2;--gold:#ffda43}
* {box-sizing:border-box}
body {margin:0;background:var(--bg);color:var(--text);font:1rem/1.65 "Microsoft YaHei","PingFang SC",system-ui,sans-serif}
main {max-width:1160px;margin:auto;padding:28px 40px 20px}
header {display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:22px;border-bottom:1px solid #49465d}
header span {font-size:.875rem;color:var(--muted)}
a {color:var(--accent);text-underline-offset:5px}
a:hover {color:var(--gold)}
.brand {font-size:1.3rem;font-weight:800;text-decoration:none;color:var(--gold)}
.eyebrow {color:var(--accent);font-size:.875rem;margin:32px 0 8px}
h1 {font-size:clamp(1.35rem,3.3vw,2.1rem);line-height:1.4;margin:0 0 24px;overflow-wrap:anywhere}
video {display:block;width:100%;aspect-ratio:16/9;background:#10101b;object-fit:contain;border:1px solid #49465d;border-radius:4px}
.player-meta {display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.875rem;color:var(--muted);margin-top:14px}
#error {margin-top:20px;padding:16px 20px;background:#392837;border-left:3px solid var(--gold)}
#error p {margin:0 0 10px}
button {font:inherit;font-weight:700;border:0;border-radius:4px;padding:8px 20px;background:var(--accent);color:#12272a;cursor:pointer}
button:hover {background:var(--gold)}
:focus-visible {outline:3px solid var(--gold);outline-offset:5px}
footer {margin-top:36px;padding-top:18px;border-top:1px solid #49465d;color:var(--muted);font-size:.875rem}
.intro {color:var(--muted)}
.video-list {padding:0;list-style:none;margin-top:28px}
.video-list li {border-bottom:1px solid #49465d}
.video-list a {display:flex;gap:18px;padding:16px 0;text-decoration:none;color:var(--text)}
.video-list a:hover {color:var(--accent)}
.num {color:var(--gold);font-variant-numeric:tabular-nums}
@media(max-width:600px) {main{padding:20px 16px}header{align-items:flex-start;flex-direction:column;gap:4px}h1{margin-bottom:18px}.eyebrow{margin-top:24px}footer{margin-top:28px}}