:root{color-scheme:dark;--bg:#080b10;--card:#111722;--line:#283344;--text:#eef4fb;--muted:#9aa8b8;--blue:#8ac9ff}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 80% 0,#1b2a3e,transparent 35%),var(--bg);color:var(--text);font:15px/1.85 system-ui,"Microsoft YaHei",sans-serif}header,main,footer{width:min(900px,calc(100% - 36px));margin:auto}header{padding:36px 0 20px;display:flex;justify-content:space-between;align-items:center}header a,footer a{color:var(--blue)}.brand{font-weight:800;letter-spacing:.1em}main{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,5vw,52px)}h1{font-size:clamp(34px,6vw,58px);line-height:1.15;margin:0 0 14px}h2{font-size:21px;margin:38px 0 8px}p,li{color:var(--muted)}strong{color:var(--text)}.notice{border-left:3px solid var(--blue);background:#0c121b;padding:14px 18px;border-radius:0 12px 12px 0}.updated{font-size:12px;color:#738296}footer{padding:25px 0 45px;color:#738296;font-size:12px}@media(max-width:600px){header{align-items:flex-start;gap:18px;flex-direction:column}main{border-radius:18px}}