:root{--brand:#0b6ea8;--brand-dark:#084d75;--bg:#f6f9fc;--line:#dbe6ef;--text:#1f2d3d;--muted:#5b6b7c;--accent:#e8f4fb;}
*{box-sizing:border-box;}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);line-height:1.7;background:#fff;font-size:15px;}
.topbar{background:#052f47;color:#cfe6f5;font-size:13px;padding:8px 16px;}
.topbar .wrap{max-width:1180px;margin:0 auto;display:flex;flex-wrap:wrap;gap:16px;}
.topbar a{color:#fff;text-decoration:none;}
header.site{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;padding:22px 16px;}
header.site .wrap{max-width:1180px;margin:0 auto;}
header.site h1{margin:0 0 4px;font-size:20px;}
header.site h1 a{color:#fff;text-decoration:none;}
header.site p{margin:0;font-size:13px;opacity:.92;}
.container{max-width:1180px;margin:0 auto;padding:20px 16px;}
.breadcrumb{font-size:13px;color:var(--muted);margin:0 0 12px;}
.breadcrumb a{color:var(--brand);text-decoration:none;}
h2{font-size:20px;color:var(--brand-dark);border-left:4px solid var(--brand);padding-left:10px;margin:26px 0 12px;}
h3{font-size:15px;color:var(--brand-dark);margin:18px 0 6px;}
.meta{font-size:12.5px;color:var(--muted);margin:4px 0 0;}
.summary{background:var(--accent);border-left:3px solid var(--brand);padding:10px 14px;border-radius:0 6px 6px 0;margin:10px 0 14px;font-size:14px;}
table{width:100%;border-collapse:collapse;margin:10px 0 12px;font-size:13.5px;}
th,td{border:1px solid var(--line);padding:7px 9px;text-align:left;vertical-align:top;}
th{background:var(--bg);color:var(--brand-dark);font-weight:600;white-space:nowrap;}
tbody tr:nth-child(even){background:#fbfdff;}
.note{font-size:13px;color:var(--muted);background:#fffdf3;border-left:3px solid #e8c14a;padding:8px 12px;border-radius:0 6px 6px 0;margin:10px 0;}
ul.cfg{margin:6px 0 12px;padding-left:20px;font-size:13.5px;color:var(--muted);}
ul.cfg li{margin:3px 0;}
.prod-img{margin:12px 0;border:1px dashed #c8d8e5;border-radius:8px;padding:8px;background:#fafcfe;text-align:center;}
.prod-img img{max-width:100%;height:auto;border-radius:6px;display:block;margin:0 auto;}
.contact-box{background:#f4f9fd;border:1px solid var(--line);border-radius:10px;padding:16px;margin:12px 0;font-size:14px;}
.contact-box strong{color:var(--brand-dark);}
details.faq{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:8px 0;background:#fbfdff;}
details.faq summary{cursor:pointer;font-weight:600;color:var(--brand-dark);font-size:14px;}
details.faq p{margin:8px 0 0;font-size:13.5px;color:var(--muted);}
footer.site{background:var(--brand-dark);color:#cfe6f5;padding:24px 16px;font-size:13px;margin-top:30px;}
footer.site .wrap{max-width:1180px;margin:0 auto;}
footer.site a{color:#fff;}
.scroll-x{overflow-x:auto;}