:root{--accent:#1d4ed8;--accent-soft:#e8eefc;--ink:#0f172a;--muted:#475569;--line:#e5e7eb}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:17px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:750;font-size:1.05rem}
.brand img{border-radius:9px}
.mini{color:var(--accent);font-weight:650;text-decoration:none;padding:10px 4px}
main{max-width:680px;margin:0 auto;padding:18px 18px 8px}
h1{font-size:1.65rem;line-height:1.2;margin:8px 0 12px;letter-spacing:-.01em}
h2{font-size:1.15rem;margin:26px 0 8px}
.lead{font-size:1.08rem;margin:0 0 18px}
.cta{display:block;text-align:center;background:var(--accent);color:#fff;font-weight:800;font-size:1.2rem;text-decoration:none;border-radius:999px;padding:16px 20px;min-height:56px;margin:18px 0 6px;box-shadow:0 4px 14px rgba(29,78,216,.25)}
.cta:hover,.cta:focus-visible{filter:brightness(1.1)}
a:focus-visible,summary:focus-visible{outline:3px solid #93b4ff;outline-offset:2px}
.note{text-align:center;color:var(--muted);font-size:.9rem;margin:0 0 8px}
ol,ul{padding-left:1.25rem;margin:0}li{margin:6px 0}
a{color:var(--accent)}
.official{background:var(--accent-soft);border-radius:14px;padding:4px 16px 12px;margin:16px 0}
.official h2{margin-top:12px}.official a{font-weight:650}
.faq details{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:8px 0}
.faq summary{font-weight:700;cursor:pointer}.faq details p{margin:8px 0 0}
.more ul{list-style:none;padding:0}.more li{margin:0;border-bottom:1px solid var(--line)}.more a{display:block;padding:12px 2px;text-decoration:none;font-weight:600}
.foot{max-width:680px;margin:10px auto 30px;padding:0 18px;color:var(--muted);font-size:.85rem}