:root{--ink:#213b57;--muted:#536f89;--line:#d4e2ee;--panel:#fff;--bg:#f5faff;--brand:#2a78ad;--accent:#287950}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,#eff8ff,#f9fcff 42rem);color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.7}a{color:inherit}.official-header,.official-footer,main{width:min(100% - 32px,1080px);margin:auto}.official-header{display:flex;align-items:center;gap:20px;min-height:72px}.official-brand{font-weight:900;text-decoration:none;white-space:nowrap}.official-brand span{display:inline-grid;place-items:center;width:28px;height:28px;margin-right:6px;border-radius:8px;background:var(--brand);color:#fff}.official-brand small{display:block;margin-left:39px;color:var(--muted);font-size:.68rem;line-height:1}.official-header nav{display:flex;gap:4px;margin-left:auto}.official-header nav a,.official-play-link{padding:8px 12px;border-radius:9px;text-decoration:none;font-weight:800}.official-header nav a[aria-current="page"]{background:#dceef9;color:#195982}.official-play-link{background:var(--accent);color:#fff}.official-breadcrumbs{padding:18px 0;color:var(--muted);font-size:.86rem}.official-breadcrumbs a{color:#356e99}.official-breadcrumbs span{margin:0 7px}main>section,main>article{margin:0 0 28px;padding:clamp(20px,4vw,34px);border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.92);box-shadow:0 10px 28px rgba(35,79,110,.06)}h1,h2,h3{line-height:1.35}h1{margin:0;color:#1b527a;font-size:clamp(2rem,5vw,3.4rem)}h2{margin-top:0;color:#245f8c;font-size:clamp(1.35rem,3vw,1.85rem)}h3{margin:0 0 6px;color:#275779}.official-hero{padding:clamp(30px,7vw,68px);text-align:center;background:radial-gradient(circle at 80% 10%,#dff3ff,transparent 33%),linear-gradient(135deg,#fff,#eef9f4)}.official-hero>p{max-width:680px;margin:16px auto;color:var(--muted);font-size:1.05rem}.official-eyebrow{margin:0;color:#367a9f;font-size:.76rem;font-weight:900;letter-spacing:.14em}.official-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:24px}.button{display:inline-block;min-height:48px;padding:12px 19px;border-radius:11px;text-decoration:none;font-weight:900}.button.primary{background:var(--accent);color:#fff}.button.secondary{border:1px solid #8ab4cf;background:#fff;color:#23618e}.official-card-grid,.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.official-card,.feature-grid article{min-width:0;padding:16px;border:1px solid #dbe7f0;border-radius:14px;background:#fff}.official-card p,.feature-grid p{margin:0;color:var(--muted);font-size:.9rem}.text-link{display:inline-block;margin-top:12px;color:#236b9b;font-weight:850}.feature-section{background:#f7fcfa!important}.official-callout{background:linear-gradient(135deg,#f1f9ff,#effbf4)!important;text-align:center}.official-callout p{color:var(--muted)}.page-heading{text-align:center}.step-list{display:grid;gap:12px;padding:0;list-style:none;counter-reset:steps}.step-list li{display:grid;grid-template-columns:auto 1fr;gap:5px 13px;padding:15px;border:1px solid #dbe7f0;border-radius:13px;background:#fff;counter-increment:steps}.step-list li::before{display:grid;grid-row:span 2;place-items:center;width:30px;height:30px;border-radius:50%;background:#e2f1fb;color:#276b99;font-weight:900;content:counter(steps)}.step-list span{color:var(--muted);font-size:.9rem}.update-entry header{padding-bottom:15px;border-bottom:1px solid var(--line)}.update-version{margin:0;color:#287950;font-weight:900}.update-date{color:var(--muted);font-size:.88rem}.update-body{margin-top:20px;color:#334e65}.official-footer{margin-top:42px;padding:26px 0 40px;color:var(--muted);font-size:.84rem}.official-footer nav{display:flex;flex-wrap:wrap;gap:8px 16px}.official-footer a{color:#386f96}@media(max-width:720px){.official-header{flex-wrap:wrap;gap:8px;padding:13px 0}.official-header nav{order:3;width:100%;margin:0;justify-content:space-between}.official-header nav a{flex:1;text-align:center;padding:8px 5px}.official-play-link{margin-left:auto}.official-card-grid,.feature-grid{grid-template-columns:1fr 1fr}}@media(max-width:480px){.official-header,.official-footer,main{width:min(100% - 24px,1080px)}.official-brand small{display:none}.official-card-grid,.feature-grid{grid-template-columns:1fr}.official-hero{padding:29px 18px}.button{width:100%;text-align:center}.official-actions{display:grid}.official-header nav a{font-size:.88rem}.official-play-link{padding:7px 9px;font-size:.83rem}}
