body{max-width:880px;margin:0 auto;padding:40px 20px;font:15px/1.85 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;color:#333;background:#fff}
h1{font-size:26px;margin:0 0 6px;font-weight:700}
h2{font-size:19px;margin:34px 0 12px;padding-bottom:8px;border-bottom:2px solid #e5e7eb}
h3{font-size:16px;margin:22px 0 8px;color:#1e40af}
p{margin:0 0 12px}ul,ol{margin:0 0 12px;padding-left:22px}li{margin-bottom:6px}
.meta{color:#888;font-size:13px;margin:0 0 28px}
.warn{background:#fef2f2;border-left:4px solid #dc2626;padding:14px 18px;margin:16px 0;border-radius:0 6px 6px 0}
.info{background:#f0f7ff;border-left:4px solid #2563eb;padding:14px 18px;margin:16px 0;border-radius:0 6px 6px 0}
table{border-collapse:collapse;width:100%;margin:12px 0;font-size:14px}
th,td{border:1px solid #e5e7eb;padding:8px 12px;text-align:left}th{background:#f9fafb}
a{color:#2563eb;text-decoration:none}a:hover{text-decoration:underline}
.nav{margin:36px 0 0;padding-top:20px;border-top:1px solid #e5e7eb;font-size:14px;color:#666}
code{background:#f3f4f6;padding:2px 6px;border-radius:3px;font-size:13px}