*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;line-height:1.65;color:#172033;background:#f7f9fc}
a{color:#1457d9;text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:1160px;margin:auto;padding:0 20px}
header{background:#fff;border-bottom:1px solid #e7ebf2;position:sticky;top:0;z-index:10}.nav{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:20px}.brand{font-weight:800;font-size:20px;color:#101828}.menu{display:flex;flex-wrap:wrap;gap:14px;font-size:14px}
.hero{padding:72px 0;background:linear-gradient(135deg,#eef5ff,#fff)}h1{font-size:clamp(32px,5vw,52px);line-height:1.1;margin:0 0 18px;color:#101828}h2{margin-top:38px;color:#101828}h3{color:#101828}.lead{font-size:19px;color:#475467;max-width:850px}
.badge{display:inline-block;padding:6px 11px;border-radius:999px;background:#e8f0ff;color:#1457d9;font-size:13px;font-weight:700}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin:25px 0}
.card{background:#fff;border:1px solid #e6eaf0;border-radius:14px;padding:22px;box-shadow:0 6px 20px rgba(16,24,40,.05)}.card h3{margin-top:0}
section{padding:42px 0}.notice{border-left:4px solid #98a2b3;background:#fff;padding:18px;border-radius:8px;margin:20px 0}.warning{border-left-color:#d97706;background:#fffbeb}
table{width:100%;border-collapse:collapse;background:#fff;margin:20px 0}th,td{padding:11px 12px;border:1px solid #e5e7eb;text-align:left}th{background:#f1f5f9}tr:nth-child(even){background:#fafafa}
.breadcrumb{font-size:14px;color:#667085;padding-top:20px}.cta{display:inline-block;background:#1457d9;color:white;padding:12px 18px;border-radius:9px;font-weight:700;margin-top:12px}.cta:hover{color:#fff;text-decoration:none;background:#0e46b3}
footer{background:#101828;color:#d0d5dd;margin-top:40px;padding:35px 0}footer a{color:#dbe8ff}.small{font-size:13px;color:#667085}.toc{background:#fff;border:1px solid #e5e7eb;padding:18px;border-radius:12px}
@media(max-width:700px){.menu{display:none}.nav{min-height:58px}.hero{padding:48px 0}section{padding:30px 0}table{font-size:13px;display:block;overflow-x:auto;white-space:nowrap}}