:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#eef7ff;background:#07122f;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 15% 0,#173b72 0,transparent 34rem),linear-gradient(160deg,#07122f,#11174a);min-height:100vh}main{width:min(880px,calc(100% - 32px));margin:0 auto;padding:48px 0 80px}nav{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:36px}a{color:#70f1dd}h1{font-size:clamp(2rem,6vw,3.5rem);margin:.2em 0}h2{margin-top:2.2em;color:#b7fff2}p,li{line-height:1.7;color:#d8e5f4}.card{padding:22px;border:1px solid #33548a;border-radius:22px;background:#0c1b3dcc;box-shadow:0 18px 50px #02071866}.notice{border-left:4px solid #63e6d1;padding:12px 16px;background:#122951}.lang{margin-top:52px;padding-top:32px;border-top:1px solid #29436f}code{color:#ffe88b}footer{margin-top:48px;color:#91a8c5;font-size:.9rem}