:root{--c1:#005177;--c2:#0073aa;--text:#222;--bg:#f7fafc}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Helvetica,Arial,sans-serif;background:var(--bg);color:#222;line-height:1.65}
.container{max-width:1100px;margin:0 auto;padding:24px}
.header{background:linear-gradient(90deg,var(--c1),var(--c2));color:#fff;padding:28px 0;margin-bottom:24px}
.header h1{margin:0;font-size:28px}
.card{background:#fff;border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,.06);padding:22px;margin:18px 0}
h2{color:var(--c1);margin-top:8px}
a{color:var(--c2);text-decoration:none}
a:hover{text-decoration:underline}
.meta{color:#555;font-size:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.badge{display:inline-block;background:rgba(0,113,170,.1);color:var(--c2);padding:6px 10px;border-radius:999px;font-size:12px;margin:4px 6px 0 0}
.cta{display:inline-block;background:var(--c2);color:#fff;padding:12px 18px;border-radius:10px;font-weight:600}
.cta:hover{opacity:.9}
.input{width:100%;padding:12px 14px;border:1px solid #cdd7df;border-radius:10px;margin:12px 0;background:#fff}
.breadcrumbs{font-size:13px;margin-bottom:12px}
footer{padding:30px 0;color:#666}
code{background:#f0f4f8;padding:2px 6px;border-radius:6px}
ul.id-list{columns:2;column-gap:24px;margin:8px 0 0 0;padding-left:18px}
@media (max-width:700px){ul.id-list{columns:1}}
.hotline{background:#ffe; border:1px solid #f3e7b3; border-radius:12px; padding:14px 16px; margin:12px 0}