:root{color-scheme:dark;--bg:#030914;--panel:#081426;--text:#f4f8ff;--muted:#aebdd2;--line:rgba(40,182,255,.2);--blue:#28b6ff}*{box-sizing:border-box}body{margin:0;color:var(--text);font-family:Inter,system-ui,sans-serif;background:radial-gradient(circle at 80% 0,rgba(8,120,255,.16),transparent 32%),var(--bg);line-height:1.7}header,main,footer{width:min(900px,calc(100% - 36px));margin:auto}header{display:flex;padding:24px 0;align-items:center;justify-content:space-between;gap:20px}header img{display:block;width:auto;height:54px}header a:last-child{color:var(--blue);font-weight:700;text-decoration:none}main{margin-bottom:60px;padding:clamp(26px,5vw,54px);border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,rgba(8,20,38,.96),rgba(4,11,22,.98))}h1{margin:0 0 10px;font-size:clamp(32px,6vw,56px);line-height:1.05;letter-spacing:-.045em}h2{margin:34px 0 8px;font-size:20px}p,li{color:var(--muted)}a{color:#7fd3ff}.intro{font-size:18px}.notice{padding:16px 18px;border-left:3px solid var(--blue);background:rgba(40,182,255,.07)}footer{padding:0 0 36px;color:#71849c;font-size:13px}@media(max-width:600px){header{align-items:flex-start;flex-direction:column}main{padding:24px 20px}}