:root{color-scheme:light;--ink:#13233a;--muted:#5d6b7c;--line:#dbe4ee;--soft:#f6f8fb;--brand:#123b66;--accent:#0c6b58;--warn:#7a4d00}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.62}
a{color:#0b5c9d}a:hover{text-decoration-thickness:2px}.wrap{width:min(1040px,calc(100% - 32px));margin:auto}
.top{background:#0f2f52;color:#fff;padding:26px 0}.top a{color:#fff}.brand{display:flex;justify-content:space-between;gap:20px;align-items:center}.brand strong{font-size:1.35rem}.brand span{opacity:.86}
.nav{display:flex;gap:14px;flex-wrap:wrap;padding:14px 0;border-bottom:1px solid var(--line);font-size:.92rem}.nav a{text-decoration:none;font-weight:650}
main{padding:38px 0 64px}.hero{padding:28px;border:1px solid var(--line);background:var(--soft);border-radius:18px;margin-bottom:30px}.hero h1{margin:0 0 8px;font-size:clamp(2rem,4vw,3rem);line-height:1.1}.hero p{margin:.4rem 0;color:var(--muted)}
h2{margin-top:2.3rem;padding-top:.2rem;font-size:1.45rem}h3{margin-top:1.5rem;font-size:1.08rem}p,li{max-width:82ch}.note{border-left:4px solid var(--accent);padding:12px 16px;background:#f3faf8}.warning{border-left:4px solid #c68a16;padding:12px 16px;background:#fff9eb}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.card{display:block;padding:18px;border:1px solid var(--line);border-radius:14px;text-decoration:none;color:inherit}.card:hover{border-color:#8eabc6;box-shadow:0 6px 18px rgba(25,55,88,.08)}.card strong{display:block;margin-bottom:4px}.card span{color:var(--muted);font-size:.92rem}
table{border-collapse:collapse;width:100%;margin:18px 0}th,td{text-align:left;vertical-align:top;border:1px solid var(--line);padding:10px}th{background:var(--soft)}
footer{border-top:1px solid var(--line);padding:28px 0 50px;color:var(--muted);font-size:.9rem}.meta{font-size:.88rem;color:var(--muted)}code{background:#eef2f6;padding:.12rem .3rem;border-radius:4px}
@media(max-width:640px){.brand{align-items:flex-start;flex-direction:column}.hero{padding:20px}.nav{gap:10px}}