:root{color-scheme:dark;--bg:#050815;--panel:#10162a;--text:#f7f8ff;--muted:#aeb7d2;--accent:#7bdcff;--line:#293352}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 75% 0,#172753 0,transparent 38%),var(--bg);color:var(--text);font:16px/1.7 -apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC",sans-serif}main{width:min(860px,calc(100% - 40px));margin:0 auto;padding:88px 0 48px}h1{font-size:clamp(42px,9vw,76px);line-height:1.05;letter-spacing:-.04em;margin:16px 0 24px}h2{font-size:22px;margin:40px 0 8px}.eyebrow{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.16em}.lead{font-size:21px;color:#d8def1;max-width:720px}.note,p{color:var(--muted)}a{color:var(--accent)}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:48px 0}.cards a{background:linear-gradient(145deg,#151d36,#0d1224);border:1px solid var(--line);border-radius:20px;color:var(--text);padding:22px;text-decoration:none;font-size:18px;font-weight:650}.cards span{display:block;color:var(--muted);font-size:14px;font-weight:400;margin-top:6px}.back{text-decoration:none}.callout{margin-top:40px;border:1px solid var(--line);border-radius:16px;padding:18px;color:var(--muted);background:var(--panel)}footer{width:min(860px,calc(100% - 40px));margin:0 auto;padding:24px 0 48px;color:#707a98;font-size:13px}@media(max-width:680px){main{padding-top:56px}.cards{grid-template-columns:1fr}h1{font-size:46px}}