/* 直播助手官网统一补充样式 */
:root { --site-brand: #ff6500; }
html { scroll-padding-top: 92px; }
body { overflow-x: hidden; }
.brand img { flex: 0 0 auto; }
.brand-copy strong { white-space: nowrap; }
.header-inner { position: relative; }
.site-nav .nav-download { border: 0; cursor: pointer; }
.catalog-card { min-height: 255px; }
.catalog-grid .catalog-card:nth-child(4n+1) { border-color: rgba(255,101,0,.18); }
.catalog-group .catalog-grid { align-items: stretch; }
.catalog-orbit .catalog-core img { width: 54%; height: 54%; object-fit: contain; }
.catalog-facts .catalog-fact strong { white-space: nowrap; }
.footer-links { display: grid; grid-template-columns: repeat(3, minmax(120px, 1fr)); gap: 28px; }
.footer-links div { display: flex; flex-direction: column; gap: 8px; }
.footer-links h3 { margin: 0 0 5px; color: #fff; font-size: 13px; }
.footer-links a { color: rgba(255,255,255,.55); font-size: 12px; }
.footer-links a:hover { color: #fff; }
.support-modal { z-index: 300; }
.modal-open { overflow: hidden; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.product-window-shot { object-fit: cover; }
.product-download-row { transition: background .2s ease, transform .2s ease; }
.product-download-row:hover { background: #fff7f1; transform: translateX(2px); }
.catalogue-note { color: #857b72; font-size: 12px; }
@media (max-width: 1080px) {
  .site-nav { gap: 18px; }
  .footer-links { grid-template-columns: repeat(2, minmax(140px, 1fr)); }
}
@media (max-width: 900px) {
  .header-inner { min-height: 68px; }
  .catalog-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .catalog-card { min-height: 238px; }
}
@media (max-width: 760px) {
  .brand-copy strong { font-size: 16px; }
  .brand-copy small { font-size: 9px; }
  .catalog-hero { padding-top: 116px; }
  .catalog-grid { grid-template-columns: 1fr; }
  .catalog-card { min-height: auto; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 22px; }
  .footer-brand p { max-width: 100%; }
  .product-hero { padding-top: 112px; }
  .product-hero h1 { font-size: clamp(36px, 10vw, 56px); }
  .product-related { grid-template-columns: 1fr; }
  .product-download-grid { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .brand img { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 15px; letter-spacing: .04em; }
  .footer-links { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .site-nav { max-height: calc(100vh - 88px); overflow-y: auto; overscroll-behavior: contain; }
  .nav-more { display: block; width: 100%; }
  .nav-more-toggle { width: 100%; justify-content: space-between; padding: 13px 10px; color: #22242b; }
  .nav-more-toggle:hover, .nav-more.open .nav-more-toggle { color: #d95300; }
  .nav-more-menu { position: static; width: 100%; margin-top: 4px; padding: 6px; background: #f8f4ef; border: 1px solid #ece5dd; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .nav-more-menu::before { display: none; }
  .nav-more.open .nav-more-menu { display: block; transform: none; }
  .nav-more-menu a { min-width: 0; }
}