/* audit.wiki — 自包含样式（无外部依赖） */
:root{
  --brand:#1e40af; --brand-2:#2563eb; --brand-soft:#dbeafe;
  --bg:#f8fafc; --card:#fff; --line:#e2e8f0;
  --text:#0f172a; --text2:#475569; --text3:#94a3b8;
  --radius:14px; --maxw:820px;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
header.top{background:linear-gradient(135deg,#1e3a8a,#2563eb 60%,#3b82f6);color:#fff;padding:0}
.top-in{max-width:var(--maxw);margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:9px;color:#fff;font-weight:800;font-size:16px;letter-spacing:-.2px}
.brand:hover{text-decoration:none}
.brand .dot{width:26px;height:26px;border-radius:8px;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:15px}
.top nav{display:flex;gap:16px;margin-left:auto;flex-wrap:wrap}
.top nav a{color:rgba(255,255,255,.88);font-size:13.5px;font-weight:600}
.top nav a:hover{color:#fff;text-decoration:none}
.hero{background:linear-gradient(135deg,#1e3a8a,#2563eb 60%,#3b82f6);color:#fff;padding:34px 0 44px}
.hero h1{font-size:30px;font-weight:900;letter-spacing:-.5px;margin-bottom:10px}
.hero p{font-size:15px;color:rgba(255,255,255,.9);max-width:620px}
.hero .meta{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap;font-size:12px}
.hero .meta span{background:rgba(255,255,255,.16);border-radius:999px;padding:3px 11px}
main{padding:28px 0 60px}
.crumb{font-size:12.5px;color:var(--text3);margin-bottom:14px}
.crumb a{color:var(--text2)}
h2.sec{font-size:19px;font-weight:800;margin:30px 0 12px;display:flex;align-items:center;gap:9px}
h2.sec::before{content:'';width:4px;height:18px;border-radius:2px;background:var(--brand);flex-shrink:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;transition:.2s}
.card:hover{border-color:var(--brand-2);box-shadow:0 10px 26px rgba(30,64,175,.10);transform:translateY(-2px)}
.card h3{font-size:15.5px;font-weight:800;margin-bottom:8px}
.card h3 a{color:var(--text)}
.card ul{margin:0;padding-left:18px;font-size:13px;color:var(--text2);line-height:1.95}
.card .pg{font-size:11px;color:var(--text3);margin-top:8px}
.article{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 30px}
.article h3{font-size:16px;font-weight:800;margin:22px 0 8px;color:var(--brand)}
.article h3:first-child{margin-top:0}
.article p{margin:0 0 12px;font-size:14.5px;color:var(--text2)}
.article ul,.article ol{margin:0 0 14px;padding-left:22px;font-size:14.5px;color:var(--text2)}
.article li{margin-bottom:6px}
.article code{background:#f1f5f9;border-radius:5px;padding:1px 6px;font-size:.9em;color:#0f172a}
.note{background:var(--brand-soft);border-left:3px solid var(--brand-2);border-radius:8px;padding:12px 16px;margin:16px 0;font-size:13.5px;color:#1e3a8a}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:24px;flex-wrap:wrap}
.pager a{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 16px;font-size:13.5px;font-weight:700}
.pager a:hover{border-color:var(--brand-2);text-decoration:none}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin-bottom:22px}
.toc h4{font-size:13px;color:var(--text3);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}
.toc ol{margin:0;padding-left:20px;font-size:14px;line-height:2}
footer.site{border-top:1px solid var(--line);background:#fff;padding:26px 0;margin-top:20px}
footer.site .wrap{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between;font-size:12.5px;color:var(--text3)}
footer.site a{color:var(--text2)}
.siblings{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.siblings a{font-size:11.5px;background:#f1f5f9;border-radius:999px;padding:3px 11px;color:var(--text2)}
.siblings a:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}