/* ========================================
   桌面端专属样式 - Desktop Only Styles
   ======================================== */

/* 桌面端隐藏移动端汉堡菜单 */
.mobile-menu-toggle {
  display: none !important;
}

/* 桌面端导航菜单样式 */
@media (min-width: 769px) {
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
  }

  .nav-menu {
    display: flex !important;
    align-items: stretch;
    justify-content: flex-end;
    gap: 2px;
  }

  .nav-item {
    position: static;
  }

  .nav-item.has-dropdown {
    position: relative;
  }

  .nav-link,
  .nav-menu > a {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 78px;
    padding: 0 16px;
    color: #fff;
    text-decoration: none;
  }

  .nav-link::after,
  .nav-menu > a::after {
    content: "";
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 17px;
    height: 2px;
    background: #fff;
    opacity: 0;
    transform: scaleX(0);
    transition: all 0.3s;
    border-radius: 2px;
  }

  .nav-link:hover,
  .nav-link.active,
  .nav-link[aria-current="page"],
  .nav-menu > a:hover {
    color: #fff;
  }

  .nav-link:hover::after,
  .nav-link.active::after,
  .nav-link[aria-current="page"]::after {
    opacity: 1 !important;
    transform: scaleX(1) !important;
    background: #fff !important;
    box-shadow: 0 2px 8px rgba(255, 255, 255, 0.4);
  }

  /* 下拉箭头 */
  .nav-caret {
    margin-left: 6px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 12px;
  }

  /* 下拉菜单 */
  .mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.2s;
    z-index: 100;
    min-width: 200px;
    padding: 8px 0;
  }

  .nav-item:hover .mega-menu,
  .nav-item:focus-within .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
  }

  /* 无子菜单时隐藏下拉 */
  .mega-menu:has(.mega-inner:empty) {
    display: none !important;
  }

  .nav-item:has(.mega-inner:empty) .nav-caret {
    display: none !important;
  }

  .mega-menu--top {
    padding: 12px 0;
  }

  .mega-menu--top::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #fff;
  }

  .mega-menu--top .mega-inner {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 8px;
    padding: 0 16px;
  }

  .mega-group-link {
    display: block;
    padding: 8px 12px;
    color: var(--text);
    font-size: 14px;
    border-radius: 4px;
    transition: all 0.2s;
  }

  .mega-group-link:hover {
    background: var(--red-soft);
    color: var(--red-main);
  }

  /* 页面布局 */
  .page-layout {
    display: flex;
    gap: 40px;
    align-items: flex-start;
  }

  .page-layout .content {
    flex: 1;
    min-width: 0;
  }

  .sidebar {
    width: 240px;
    flex-shrink: 0;
  }
}