:root{color-scheme:dark;--bg:#0b1020;--surface:#121a2d;--surface-2:#17213a;--line:#2b395a;--text:#edf2ff;--muted:#a5b2cf;--accent:#8fa2ff;--mint:#5de0b6}*{box-sizing:border-box}body{margin:0;background:radial-gradient(800px 420px at 5% -10%,#223461 0%,transparent 68%),var(--bg);color:var(--text);font:15px/1.65 Inter,Arial,sans-serif}a{color:var(--accent)}.official-header{border-bottom:1px solid var(--line);background:#0e1426eF;backdrop-filter:blur(14px)}.official-header-inner{max-width:1120px;margin:auto;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}.official-brand{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none}.official-brand img{width:42px;height:42px;border-radius:12px;box-shadow:0 8px 20px #0004}.official-brand strong{display:block;font-size:20px;line-height:1}.official-brand strong span{color:var(--accent)}.official-brand small{display:block;margin-top:5px;color:var(--muted);font-size:9px;font-weight:700;letter-spacing:.16em}.official-home{padding:8px 12px;border:1px solid var(--line);border-radius:8px;text-decoration:none;color:var(--muted);font-size:13px}.official-home:hover{border-color:var(--accent);color:var(--text)}.official-main{max-width:900px;margin:auto;padding:64px 24px 80px}.official-kicker{margin:0 0 10px;color:var(--mint);font-size:11px;font-weight:700;letter-spacing:.16em}.official-main h1{margin:0 0 18px;font-size:42px;line-height:1.15;letter-spacing:-1.5px}.official-main h2{margin:38px 0 8px;font-size:22px}.official-main p,.official-main li{color:var(--muted)}.official-main ul{padding-left:22px}.official-callout{margin:28px 0;padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--mint);border-radius:10px}.official-callout p{margin:0}.official-footer{border-top:1px solid var(--line);padding:24px;text-align:center;color:var(--muted);font-size:12px}.official-footer a{margin:0 8px;text-decoration:none}.official-footer a:hover{text-decoration:underline}@media(max-width:620px){.official-header-inner{padding:16px}.official-main{padding:42px 18px 56px}.official-main h1{font-size:32px}.official-home{font-size:12px}}