:root{--bg:#0b0d12;--card:#141821;--muted:#8b93a7;--fg:#eef1f6;--accent:#4f8cff;--line:#222836}
*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--fg);
font:15px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1060px;margin:0 auto;padding:0 20px}
header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(11,13,18,.9);backdrop-filter:blur(6px)}
.nav{display:flex;align-items:center;gap:26px;height:60px}
.brand{font-weight:700;font-size:18px;letter-spacing:.2px;display:flex;align-items:center;gap:9px}
.brand svg{width:24px;height:24px}
.nav a.item{color:var(--muted);font-size:14px}.nav a.item:hover{color:var(--fg);text-decoration:none}
.spacer{flex:1}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:9px 16px;border-radius:9px;font-weight:600;font-size:14px}
.hero{padding:74px 0 40px}.hero h1{font-size:40px;line-height:1.1;margin:0 0 14px}
.hero p{color:var(--muted);font-size:17px;max-width:640px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:26px 0 60px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.card h3{margin:0 0 8px;font-size:16px}.card p{color:var(--muted);margin:0;font-size:14px}
.player{background:#000;border:1px solid var(--line);border-radius:14px;aspect-ratio:16/9;
display:flex;align-items:center;justify-content:center;color:#4a5163;margin:26px 0}
.player .play{width:64px;height:64px;border-radius:50%;background:rgba(79,140,255,.15);
display:flex;align-items:center;justify-content:center}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:13px;padding:28px 0;margin-top:30px}
.row{display:flex;gap:24px;flex-wrap:wrap}.row>div{flex:1;min-width:200px}