:root{--blue:#1E74FC;--blue2:#4D9AFD;--ink:#0f172a;--muted:#64748b;--bg:#f6f8fc}
*{box-sizing:border-box}
body{margin:0;font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
.hero{background:linear-gradient(135deg,#1d4ed8,#4d9afd);color:#fff;padding:54px 22px 46px;text-align:center}
.hero .logo{width:78px;height:78px;border-radius:20px;background:linear-gradient(135deg,#2563eb,#60a5fa);display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:38px;box-shadow:0 10px 30px rgba(0,0,0,.25);margin-bottom:14px}
.hero h1{margin:.2em 0 .1em;font-size:30px;letter-spacing:-.5px}
.hero p{margin:0;opacity:.92}
.wrap{max-width:760px;margin:-26px auto 40px;background:#fff;border-radius:20px;padding:34px 30px;box-shadow:0 12px 40px rgba(15,23,42,.08)}
h2{font-size:20px;margin:30px 0 8px;color:var(--blue)}
h2:first-child{margin-top:0}
.lang{display:inline-block;font-size:13px;font-weight:700;color:var(--blue);background:#eaf2fe;padding:3px 12px;border-radius:999px;margin:26px 0 6px}
a{color:var(--blue)}
.muted{color:var(--muted);font-size:14px}
ul{padding-left:20px}
nav{margin-top:18px}
nav a{display:inline-block;margin:0 10px;color:#fff;font-weight:600;text-decoration:none;opacity:.92}
footer{text-align:center;color:var(--muted);font-size:13px;padding:24px}