:root{color:#1f2937;font-synthesis:none;background:#f5f7fb;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{color:#1f2937;overflow-wrap:anywhere;background:#f5f7fb;margin:0;font-size:16px;line-height:1.8}main{width:min(100%,880px);min-height:100vh;padding:max(28px, env(safe-area-inset-top)) 24px max(48px, env(safe-area-inset-bottom));background:#fff;margin:0 auto}h1{color:#111827;text-align:center;margin:0 0 8px;font-size:28px;line-height:1.35}h2{color:#111827;margin:36px 0 12px;font-size:21px;line-height:1.5}h3{color:#111827;margin:24px 0 8px;font-size:17px}p{margin:10px 0}ol,ul{margin:10px 0;padding-left:1.45em}li{margin:7px 0}a{color:#1d4ed8}.meta{color:#6b7280;text-align:center;margin:0 0 28px;font-size:14px}.notice{background:#eff6ff;border:1px solid #bfdbfe;border-radius:12px;margin:22px 0;padding:16px 18px}.important{text-underline-offset:3px;font-weight:700;text-decoration:underline;text-decoration-thickness:1px}.contact{background:#f3f4f6;border-radius:12px;margin-top:18px;padding:16px 18px}@media (width<=640px){body{background:#fff;font-size:15px}main{padding-left:18px;padding-right:18px}h1{font-size:24px}h2{margin-top:30px;font-size:19px}}