*{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#0d1117;--card:#161b22;--line:#252c36;--txt:#e6edf3;--sub:#8b949e;--acc:#3b82f6}
body{background:var(--bg);color:var(--txt);font:15px/1.6 -apple-system,"Segoe UI","Microsoft YaHei",sans-serif}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);background:rgba(13,17,23,.92);position:sticky;top:0;z-index:50;backdrop-filter:blur(8px)}
.nav{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-size:19px;font-weight:800;letter-spacing:.5px}
.logo b{color:var(--acc)}
.nav-links{display:flex;gap:22px;font-size:13.5px;color:var(--sub)}
.nav-links a:hover{color:var(--txt)}
.hero{padding:44px 0 28px}
.hero h1{font-size:26px;letter-spacing:-.3px}
.hero p{color:var(--sub);margin-top:8px;font-size:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:20px;padding:8px 0 56px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden;transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-2px);border-color:#3a4653}
.thumb{position:relative;aspect-ratio:16/9;background:#000}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.dur{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.78);padding:1px 6px;border-radius:4px;font-size:11.5px;font-variant-numeric:tabular-nums}
.card-body{padding:11px 13px 14px}
.card-body h3{font-size:14.5px;font-weight:600;line-height:1.4}
.meta{color:var(--sub);font-size:12px;margin-top:5px;display:flex;gap:8px}
.tag{background:#1f2733;color:#9fb0c3;padding:1px 7px;border-radius:99px;font-size:11px}
.player-wrap{background:#000;border-radius:10px;overflow:hidden;margin:22px 0 18px}
video{width:100%;display:block;background:#000;aspect-ratio:16/9}
.title-row{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-bottom:18px;border-bottom:1px solid var(--line)}
.title-row h1{font-size:21px}
.subline{color:var(--sub);font-size:13px;margin-top:6px}
.btn{background:var(--acc);color:#fff;border:none;border-radius:7px;padding:9px 16px;font-size:13.5px;cursor:pointer}
.btn.ghost{background:#1f2733;color:var(--txt)}
.desc{padding:18px 0 40px;color:#c3ccd6;font-size:14px;max-width:760px}
.status{color:var(--sub);font-size:13px;padding:40px 0}
footer{border-top:1px solid var(--line);padding:26px 0 40px;color:var(--sub);font-size:12.5px}
footer .links{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:10px}
@media(max-width:640px){.hero h1{font-size:21px}.grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}}