:root{--accent:#0d9488}
*{box-sizing:border-box}
body{margin:0;font-family:Arial,"Microsoft YaHei",sans-serif;color:#222;line-height:1.8}
img{max-width:100%;height:auto}
a{color:var(--accent)}
.cn-header{background:#1a1030;position:sticky;top:0;z-index:99}
.cn-nav{max-width:1100px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:10px 16px}
.cn-logo{display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-weight:800;font-size:17px}
.cn-logo .cn-badge{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:16px}
.cn-menu{display:flex;flex-wrap:wrap;gap:4px}
.cn-menu a{color:#fff;text-decoration:none;padding:6px 10px;font-size:15px;border-radius:6px}
.cn-menu a.active,.cn-menu a:hover{background:rgba(255,255,255,.14)}
.cn-menu-toggle{display:none;background:none;border:0;color:#fff;font-size:24px;line-height:1;cursor:pointer;padding:2px 6px}
.cn-breadcrumb{max-width:1100px;margin:0 auto;padding:10px 16px;font-size:13px;color:#888}
.cn-breadcrumb a{color:var(--accent);text-decoration:none}
.cn-footer{background:#0f0a1e;color:#999;padding:30px 16px 20px;margin-top:30px}
.cn-footer-top{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
.cn-footer-top h4{color:#ddd;font-size:14px;margin:0 0 8px}
.cn-footer a{color:#aaa;text-decoration:none;display:block;margin:4px 0;font-size:13px}
.cn-footer .cn-contact{display:block;color:#aaa;font-size:13px;margin:4px 0}
.cn-col{min-width:150px}
.cn-col.brand{flex:2;min-width:220px}
.cn-desc{color:#999;font-size:13px;line-height:1.8;margin-top:12px}
.cn-copyright{max-width:1100px;margin:20px auto 0;border-top:1px solid #24203a;padding-top:14px;font-size:12px;color:#888}
.cn-copyright a{color:#888;display:inline;text-decoration:none}
@media(max-width:768px){
  .cn-menu-toggle{display:block}
  .cn-menu{display:none;width:100%;flex-direction:column}
  .cn-nav.open .cn-menu{display:flex}
  .cn-footer-top{flex-direction:column;gap:18px}
}