.xxgs-head{background:#fff;border-bottom:1px solid #e7eaee;position:sticky;top:0;z-index:20}
.xxgs-headrow{display:flex;align-items:center;gap:22px;height:64px}
.xxgs-brand{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:600;color:#1f2937;white-space:nowrap;letter-spacing:-.2px}
.xxgs-brand:hover{text-decoration:none;color:#0d9488}
.xxgs-brand-dot{width:8px;height:8px;border-radius:50%;background:#0d9488;flex:none}
.xxgs-nav{display:flex;align-items:center;gap:4px;margin-left:4px}
.xxgs-nav a{font-size:14px;color:#5b6470;padding:6px 12px;border-radius:8px;line-height:1.5}
.xxgs-nav a:hover{background:#f4f7f8;color:#0d9488;text-decoration:none}
.xxgs-nav a.on{color:#0d9488;background:#eef7f6;font-weight:500}
.xxgs-search{display:flex;gap:8px;margin-left:auto}
.xxgs-search input{border:1px solid #e3e6ea;border-radius:9px;padding:7px 13px;font-size:13.5px;width:210px;outline:none;color:#1f2937;background:#fafbfc;transition:.15s}
.xxgs-search input:focus{border-color:#0d9488;background:#fff;box-shadow:0 0 0 3px rgba(13,148,136,.08)}
.xxgs-search button{border:0;background:#0d9488;color:#fff;border-radius:9px;padding:7px 16px;font-size:13.5px;cursor:pointer}
.xxgs-search button:hover{background:#0b7c72}
.xxgs-foot{color:#9ca3af;font-size:12.5px;padding:26px 0 34px;text-align:center;line-height:1.9}
.xxgs-foot a{color:#9ca3af}
.xxgs-foot a:hover{color:#0d9488;text-decoration:none}
.xxgs-foot span.sep{margin:0 6px;color:#d5dae0}
@media (max-width:760px){
  .xxgs-headrow{height:56px;gap:14px}
  .xxgs-brand{font-size:16px}
  .xxgs-nav a{font-size:13.5px;padding:5px 9px}
  .xxgs-search input{width:120px;padding:6px 10px}
  .xxgs-search button{padding:6px 12px}
}
@media (max-width:520px){
  .xxgs-search{display:none}
}