:root{--bg:#06131d;--panel:#0b1d29;--ink:#edf8f7;--muted:#9ab0b8;--line:#1d3a48;--teal:#69e6d1}
*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;background:radial-gradient(circle at 80% 8%,#123442 0,transparent 30%),var(--bg);color:var(--ink);font:16px/1.7 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--teal)}header{max-width:920px;margin:auto;padding:28px 24px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}.brand img{width:46px;height:46px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.2}.brand b{letter-spacing:.08em}.brand small{color:var(--muted)}.back{padding:9px 14px;border:1px solid #2a4b59;border-radius:999px;color:var(--ink);text-decoration:none}main{max-width:820px;margin:0 auto;padding:64px 24px 90px}.eyebrow{color:var(--teal);font-size:12px;font-weight:800;letter-spacing:.17em}h1{font-size:clamp(38px,7vw,66px);line-height:1.02;letter-spacing:-.04em;margin:10px 0 22px}h2{font-size:24px;margin:38px 0 8px}p,li{color:#b7cbd0}.updated{padding:12px 16px;border-left:3px solid var(--teal);background:var(--panel);border-radius:0 10px 10px 0}.notice{margin-top:34px;padding:20px;border:1px solid #28505d;border-radius:14px;background:rgba(105,230,209,.06)}footer{max-width:920px;margin:auto;padding:28px 24px 42px;border-top:1px solid var(--line);color:var(--muted);font-size:14px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}footer div{display:flex;gap:14px;flex-wrap:wrap}@media(max-width:620px){header{align-items:flex-start;gap:16px;flex-direction:column}main{padding-top:44px}}