/* 设计令牌已抽离到 assets/css/design-tokens.css，此处仅保留模板专属补丁 */
  /* ============ 战术氛围工具类（补充，主令牌在 design-tokens.css） ============ */
  /* 扫描网格底纹：用于 Hero 区/暗色区块，模拟战术 HUD */
  .tactical-grid{
    background-image:
      linear-gradient(rgba(34,211,238,.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(34,211,238,.06) 1px, transparent 1px); /* 优化前: rgba(20,184,166,.06) → 优化后: rgba(34,211,238,.06) */
    background-size: 32px 32px;
  }
  .dark .tactical-grid{
    background-image:
      linear-gradient(rgba(34,211,238,.08) 1px, transparent 1px),
      linear-gradient(90deg, rgba(34,211,238,.08) 1px, transparent 1px); /* 优化前: rgba(20,184,166,.08) → 优化后: rgba(34,211,238,.08) */
  }
  /* 战术辉光：青绿环境光，用于 Hero 装饰 */
  .tactical-glow-teal{ box-shadow: 0 0 80px -10px rgba(34,211,238,.35); } /* 优化前: rgba(20,184,166,.35) → 优化后: rgba(34,211,238,.35) */
  .tactical-glow-amber{ box-shadow: 0 0 60px -12px rgba(249,115,22,.35); } /* 优化前: rgba(245,158,11,.35) → 优化后: rgba(249,115,22,.35) */
  html, body{overflow-x:clip;box-sizing:border-box;-webkit-overflow-scrolling:touch;}
  body{overscroll-behavior-y:auto;}
  *, *::before, *::after{box-sizing:inherit;}
  body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif; -webkit-text-size-adjust:100%; }
  ::-webkit-scrollbar { width: 8px; height: 8px; }
  ::-webkit-scrollbar-thumb { background: rgba(0,0,0,.2); border-radius: 4px; }
  .line-clamp-2 { display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }

  /* ============ 全局 select 美化 ============ */
  /* 原生箭头移除与自定义箭头（SVG+mask 方案，可随主题变亮/变色） */
  select{
    -webkit-appearance: none !important;
       -moz-appearance: none !important;
            appearance: none !important;
    background-color: var(--color-bg-input);
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    padding-right: 34px !important;
    background-image:
      linear-gradient(45deg, transparent 50%, #6b7280 50%),
      linear-gradient(135deg, #6b7280 50%, transparent 50%);
    background-position:
      calc(100% - 16px) 52%,
      calc(100% - 11px) 52%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast),
                background-color var(--transition-fast),
                transform var(--transition-fast);
    cursor: pointer;
    font-size: 14px;
    line-height: 1.5;
  }
  select:hover{
    border-color: var(--color-border-hover);
    background-color: var(--color-bg-card);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    background-image:
      linear-gradient(45deg, transparent 50%, #374151 50%),
      linear-gradient(135deg, #374151 50%, transparent 50%);
  }
  select:focus{
    outline: none !important;
    border-color: var(--color-primary) !important;
    box-shadow: var(--shadow-focus), var(--shadow-sm);
    background-color: var(--color-bg-card);
  }
  select:active{ transform: translateY(0); transition-duration: 100ms; }
  select:disabled{ opacity: .55; cursor: not-allowed; pointer-events: none; }
  select option, select optgroup{
    background-color: var(--color-bg-card);
    color: var(--color-text);
  }
  select option{ padding: 6px 10px; }
  select optgroup{ font-weight: 600; color: var(--color-text-muted); }

  /* 深色主题：箭头改为浅灰色 */
  .dark select{
    background-image:
      linear-gradient(45deg, transparent 50%, #94a3b8 50%),
      linear-gradient(135deg, #94a3b8 50%, transparent 50%); /* 优化前: #9ca3af → 优化后: #94a3b8 */
  }
  .dark select:hover{
    background-image:
      linear-gradient(45deg, transparent 50%, #cbd5e1 50%),
      linear-gradient(135deg, #cbd5e1 50%, transparent 50%); /* 优化前: #d1d5db → 优化后: #cbd5e1 */
  }
  .dark select:focus{
    box-shadow: 0 0 0 3px rgba(34, 211, 238, .25), var(--shadow-sm); /* 优化前: rgba(20, 184, 166, .25) → 优化后: rgba(34, 211, 238, .25) */
  }

  /* .form-select: 升级后的完整 select 样式（与 input 同样的视觉权重） */
  .form-select{
    -webkit-appearance: none !important;
       -moz-appearance: none !important;
            appearance: none !important;
    height: 40px;
    padding: 0 40px 0 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    background-color: var(--color-bg-input);
    color: var(--color-text);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.5;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    background-image:
      linear-gradient(45deg, transparent 50%, #6b7280 50%),
      linear-gradient(135deg, #6b7280 50%, transparent 50%);
    background-position:
      calc(100% - 18px) 52%,
      calc(100% - 13px) 52%;
    background-size: 5px 5px, 5px 5px;
    background-repeat: no-repeat;
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast),
                background-color var(--transition-fast),
                transform var(--transition-fast);
  }
  .form-select:hover{
    border-color: var(--color-border-hover);
    background-color: var(--color-bg-card);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
    background-image:
      linear-gradient(45deg, transparent 50%, #374151 50%),
      linear-gradient(135deg, #374151 50%, transparent 50%);
  }
  .form-select:focus{
    outline: none !important;
    border-color: var(--color-primary) !important;
    box-shadow: var(--shadow-focus);
    background-color: var(--color-bg-card);
  }
  .form-select:active{ transform: translateY(0); }
  .dark .form-select{
    background-image:
      linear-gradient(45deg, transparent 50%, #94a3b8 50%),
      linear-gradient(135deg, #94a3b8 50%, transparent 50%); /* 优化前: #9ca3af → 优化后: #94a3b8 */
  }
  .dark .form-select:hover{
    background-image:
      linear-gradient(45deg, transparent 50%, #cbd5e1 50%),
      linear-gradient(135deg, #cbd5e1 50%, transparent 50%); /* 优化前: #d1d5db → 优化后: #cbd5e1 */
  }
  .form-select-sm{ height: 32px !important; padding-left: 10px !important; padding-right: 28px !important; font-size: 13px !important;
    background-position: calc(100% - 12px) 52%, calc(100% - 7px) 52%;
  }
  .form-select-md{ height: 40px !important; font-size: 14px !important; }
  .form-select-lg{ height: 48px !important; padding-left: 16px !important; padding-right: 44px !important; font-size: 15px !important;
    background-position: calc(100% - 20px) 52%, calc(100% - 15px) 52%;
  }
  .form-select-icon{ padding-left: 38px !important; position: relative; }

  /* ============ 自定义下拉菜单面板（Dropdown Panel）统一美化 ============ */
  .dropdown-panel{
    position: absolute;
    z-index: 50;
    min-width: 180px;
    padding: 6px;
    background: var(--color-bg-card);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow:
      0 10px 40px -10px rgba(0,0,0,.15),
      0 4px 12px -4px rgba(0,0,0,.08);
    transform-origin: top center;
    animation: dropdownIn .15s cubic-bezier(.2,.8,.2,1);
  }
  @keyframes dropdownIn{
    from{ opacity: 0; transform: translateY(-4px) scale(.98); }
    to  { opacity: 1; transform: translateY(0)    scale(1); }
  }
  .dark .dropdown-panel{
    box-shadow:
      0 10px 40px -10px rgba(0,0,0,.6),
      0 4px 12px -4px rgba(0,0,0,.4);
  }
  .dropdown-divider{
    height: 1px;
    margin: 6px 6px;
    background: var(--color-border);
    border: 0;
  }
  .dropdown-item{
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    line-height: 1.4;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color .12s ease, color .12s ease;
    user-select: none;
    white-space: nowrap;
    text-align: left;
    background: transparent;
    border: 0;
  }
  .dropdown-item:hover{
    background-color: rgba(6, 182, 212, .08); /* 优化前: rgba(13, 148, 136, .08) → 优化后: rgba(6, 182, 212, .08) */
    color: var(--color-primary);
  }
  .dropdown-item.is-active,
  .dropdown-item[aria-selected="true"]{
    background-color: rgba(6, 182, 212, .12); /* 优化前: rgba(13, 148, 136, .12) → 优化后: rgba(6, 182, 212, .12) */
    color: var(--color-primary);
    font-weight: 600;
  }
  .dropdown-item.is-danger{
    color: #dc2626;
  }
  .dropdown-item.is-danger:hover{
    background-color: rgba(220,38,38,.08);
  }
  .dropdown-item .dropdown-icon{
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    opacity: .75;
  }
  .dropdown-item[disabled],
  .dropdown-item.is-disabled{
    opacity: .45;
    cursor: not-allowed;
    pointer-events: none;
  }
  .dropdown-header{
    padding: 10px 12px 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--color-text-muted);
  }

  /* ============ 全局 input / textarea 美化 ============ */
  input[type="text"], input[type="search"], input:not([type]), input[type="number"], input[type="email"], input[type="password"], textarea{
    border:1.5px solid var(--color-border);
    border-radius:var(--radius-md);
    background-color:var(--color-bg-input);
    color:var(--color-text);
    transition:all var(--transition-fast);
    box-shadow:var(--shadow-sm);
  }
  input[type="text"]:hover, input:not([type]):hover, input[type="number"]:hover,
  input[type="search"]:hover, input[type="email"]:hover, input[type="password"]:hover, textarea:hover{
    border-color:var(--color-border-hover);
    background-color:var(--color-bg-card);
  }
  input[type="text"]:focus, input:not([type]):focus, input[type="number"]:focus,
  input[type="search"]:focus, input[type="email"]:focus, input[type="password"]:focus, textarea:focus{
    outline:none;
    border-color:var(--color-primary);
    box-shadow:var(--shadow-focus);
    background-color:var(--color-bg-card);
  }
  input::placeholder, textarea::placeholder{
    color:var(--color-text-placeholder);
  }

  /* ============ 全局按钮美化 ============ */
  .btn, button:not([class*="no-style"]){
    transition:all var(--transition-fast);
  }
  .btn:hover{
    transform:translateY(-1px);
    box-shadow:var(--shadow-md);
  }
  .btn:active{
    transform:translateY(0);
  }

  /* ============ 全局下拉菜单美化 ============ */
  select:not([multiple]){
    appearance:none;
    -webkit-appearance:none;
    -moz-appearance:none;
    background-image:url("data:image/svg+xml;charset=UTF-8,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%239ca3af%22%20stroke-width%3D%222%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22m6%209%206%206%206%20-6%22%2F%3E%3C%2Fsvg%3E");
    background-repeat:no-repeat;
    background-position:right 0.55rem center;
    background-size:14px;
    padding-right:2rem;
  }
  select:not([multiple])::-ms-expand{
    display:none;
  }
  select:not([multiple]):hover{
    border-color:#22d3ee; /* 优化前: #14b8a6 → 优化后: #22d3ee */
  }
  select:not([multiple]):focus{
    border-color:#22d3ee; /* 优化前: #14b8a6 → 优化后: #22d3ee */
    box-shadow:0 0 0 3px rgba(34,211,238,0.15); /* 优化前: rgba(20,184,166,0.15) → 优化后: rgba(34,211,238,0.15) */
  }

  /* ============ 全局卡片美化 ============ */
  .card, [class*="bg-white dark:bg-gray-900"][class*="rounded"]{
    transition:box-shadow var(--transition-base), border-color var(--transition-base);
  }

  /* 导航样式 */
  .site-header {
    position: sticky;
    top: 0;
  }
  .nav-link-item { display:inline-flex; align-items:center; padding:6px 14px; font-size:14px; font-weight:500; border-radius:8px; transition:color .2s, background-color .2s, box-shadow .2s; white-space:nowrap; color:#4b5563; position:relative; }
  .nav-link-item:hover { color:#06b6d4; background:#ecfeff; } /* 优化前: #0d9488/#ecfdf5 → 优化后: #06b6d4/#ecfeff */
  .nav-link-item:focus-visible { color:#06b6d4; background:#ecfeff; outline:2px solid rgba(6,182,212,0.35); outline-offset:2px; } /* 优化前: #0d9488/#ecfdf5/rgba(13,148,136,0.35) → 优化后: #06b6d4/#ecfeff/rgba(6,182,212,0.35) */
  .dark .nav-link-item { color:#94a3b8; } /* 优化前: #9ca3af → 优化后: #94a3b8 */
  .dark .nav-link-item:hover, .dark .nav-link-item:focus-visible { color:#67e8f9; background:rgba(34,211,238,0.12); } /* 优化前: #2dd4bf/rgba(20,184,166,0.12) → 优化后: #67e8f9/rgba(34,211,238,0.12) */
  .nav-link-item.is-active { color:#06b6d4; font-weight:600; } /* 优化前: #0d9488 → 优化后: #06b6d4 */
  .nav-link-item.is-active::after { content:''; position:absolute; bottom:-14px; left:50%; transform:translateX(-50%); width:20px; height:2px; border-radius:2px; background:#06b6d4; } /* 优化前: #0d9488 → 优化后: #06b6d4 */
  .dark .nav-link-item.is-active { color:#67e8f9; } /* 优化前: #2dd4bf → 优化后: #67e8f9 */
  .dark .nav-link-item.is-active::after { background:#67e8f9; } /* 优化前: #2dd4bf → 优化后: #67e8f9 */

  /* 二级下拉菜单 */
  .nav-dropdown { position:relative; }
  .nav-chevron { margin-left:2px; opacity:0.5; transition:transform .2s ease, opacity .2s; }
  .nav-dropdown:hover .nav-chevron { transform:rotate(180deg); opacity:1; }
  .nav-dropdown-menu {
    position:absolute; top:calc(100% + 8px); left:50%; transform:translateX(-50%);
    min-width:180px; padding:6px; border-radius:12px;
    background:#fff; border:1px solid #e5e7eb; box-shadow:0 12px 32px -8px rgba(0,0,0,.15);
    opacity:0; visibility:hidden; transform:translateX(-50%) translateY(-4px);
    transition:opacity .2s ease, transform .2s ease, visibility .2s; z-index:50;
  }
  .dark .nav-dropdown-menu { background:#1e293b; border-color:#334155; box-shadow:0 12px 32px -8px rgba(0,0,0,.5); }
  .nav-dropdown:hover .nav-dropdown-menu,
  .nav-dropdown:focus-within .nav-dropdown-menu {
    opacity:1; visibility:visible; transform:translateX(-50%) translateY(0);
  }
  .nav-dropdown-item {
    display:flex; align-items:center; gap:8px; padding:8px 12px; border-radius:8px;
    font-size:13px; font-weight:500; color:#4b5563; white-space:nowrap; transition:all .15s;
  }
  .nav-dropdown-item:hover { color:#06b6d4; background:#ecfeff; }
  .dark .nav-dropdown-item { color:#94a3b8; }
  .dark .nav-dropdown-item:hover { color:#67e8f9; background:rgba(6,182,212,0.12); }
  .nav-dropdown-item.is-active { color:#06b6d4; background:#ecfeff; font-weight:600; }
  .dark .nav-dropdown-item.is-active { color:#67e8f9; background:rgba(6,182,212,0.15); }
  .nav-dropdown-icon { display:inline-flex; align-items:center; opacity:0.7; }

  /* 移动端二级菜单 */
  .mobile-nav-group { position:relative; }
  .mobile-nav-group > summary { display:flex; align-items:center; gap:10px; padding:14px 16px; font-size:15px; font-weight:500; border-radius:12px; transition:all .15s; color:#374151; min-height:48px; }
  .mobile-nav-group > summary::-webkit-details-marker { display:none; }
  .mobile-nav-chevron { transition:transform .2s ease; opacity:0.5; }
  .mobile-nav-group[open] > summary .mobile-nav-chevron { transform:rotate(180deg); }
  .mobile-nav-child { padding-left:36px; font-size:14px; min-height:42px; }

  .mobile-nav-item { display:flex; align-items:center; gap:10px; padding:14px 16px; font-size:15px; font-weight:500; border-radius:12px; transition:all .15s; color:#374151; min-height:48px; }
  .mobile-nav-item:hover { color:#06b6d4; background:#ecfeff; } /* 优化前: #0d9488/#f0fdfa → 优化后: #06b6d4/#ecfeff */
  .dark .mobile-nav-item { color:#94a3b8; } /* 优化前: #9ca3af → 优化后: #94a3b8 */
  .dark .mobile-nav-item:hover { color:#67e8f9; background:rgba(6,182,212,0.12); } /* 优化前: #2dd4bf/rgba(13,148,136,0.12) → 优化后: #67e8f9/rgba(6,182,212,0.12) */
  .mobile-nav-item.is-active { color:#06b6d4; background:#ecfeff; font-weight:600; } /* 优化前: #0d9488/#f0fdfa → 优化后: #06b6d4/#ecfeff */
  .dark .mobile-nav-item.is-active { background:rgba(6,182,212,0.15); color:#67e8f9; } /* 优化前: rgba(13,148,136,0.15)/#2dd4bf → 优化后: rgba(6,182,212,0.15)/#67e8f9 */
  .mobile-nav-item:active{ transform:scale(0.97); }

  /* 滚动容器触摸优化 */
  .scroll-y{overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;}
  .scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;}
  /* 武器列表允许滚动链：滑到底继续滚动页面 */
  #weaponStrip{overscroll-behavior:auto;}
  .tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;}
  .tbl-scroll table{min-width:max-content;}

  /* 防止按钮/链接在点击时被选中 */
  button, a, .pointer-events-auto{ -webkit-tap-highlight-color: transparent; }

  /* select 展开动画（有限支持） */
  @keyframes selectFadeIn{
    from{opacity:0;transform:translateY(-4px);}
    to{opacity:1;transform:translateY(0);}
  }

  /* 表格斑马纹增强 */
  tbody tr:hover{
    background-color:rgba(6,182,212,.04); /* 优化前: rgba(13,148,136,.04) → 优化后: rgba(6,182,212,.04) */
    transition:background-color var(--transition-fast);
  }
  .dark tbody tr:hover{
    background-color:rgba(34,211,238,.08); /* 优化前: rgba(20,184,166,.08) → 优化后: rgba(34,211,238,.08) */
  }

  /* 链接统一悬停效果 */
  a{ transition:color var(--transition-fast); }

  /* 图片加载占位 */
  img{ transition:opacity var(--transition-base); }

  /* ============ 移动端导航优化 ============ */
  @media (max-width: 767.98px){
    /* 顶部导航增高，触摸更舒适 */
    header > div:first-child{ height:56px; }
    :root{ --header-h:56px; }
    /* 汉堡按钮 44px 触摸区 */
    #mobileMenuBtn{ height:44px !important; width:44px !important; border-radius:12px !important; }
    #mobileMenuBtn:active{ transform:scale(0.9); transition:transform .1s; }
    /* 暗色切换按钮也增大 */
    header button[onclick="toggleDark(event)"]{ height:44px !important; width:44px !important; border-radius:12px !important; }
    /* 收藏夹按钮增大触摸区 */
    header a[href*="favorites"]{ height:44px !important; padding:0 12px !important; border-radius:12px !important; }
  }
  @media (min-width: 768px){
    :root{ --header-h:64px; }
  }
  /* 移动菜单面板动画 */
  #mobileMenu{
    overflow:hidden;
    max-height:0;
    opacity:0;
    transition:max-height .35s cubic-bezier(0.4,0,0.2,1), opacity .25s ease;
  }
  #mobileMenu.menu-open{
    max-height:80vh;
    opacity:1;
  }
  /* 移动菜单遮罩 */
  #mobileMenuOverlay{
    position:fixed;
    inset:0;
    top:var(--header-h,56px);
    background:rgba(0,0,0,0.4);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter:blur(4px);
    z-index:25;
    opacity:0;
    pointer-events:none;
    transition:opacity .3s ease;
  }
  #mobileMenuOverlay.overlay-visible{
    opacity:1;
    pointer-events:auto;
  }
  /* 汉堡按钮动画 */
  #mobileMenuBtn svg{ transition:transform .3s ease; }
  #mobileMenuBtn .bar1,#mobileMenuBtn .bar2,#mobileMenuBtn .bar3{
    transform-box:fill-box;
    transform-origin:center;
    transition:transform .3s ease, opacity .2s ease;
  }
  #mobileMenuBtn.menu-open .bar1{ transform:translateY(6px) rotate(45deg); }
  #mobileMenuBtn.menu-open .bar2{ opacity:0; }
  #mobileMenuBtn.menu-open .bar3{ transform:translateY(-6px) rotate(-45deg); }

  /* ============ 全局移动端触摸优化 ============ */
  @media (max-width: 767.98px){
    /* 所有可点击元素最小 44px 触摸区 */
    .btn, button[class], a[class*="btn"], a[class*="rounded"]{
      min-height:40px;
    }
    /* 卡片内边距更宽 */
    .card-spacing{ padding:16px; }
    /* 防止文字过小 */
    body{ font-size:15px; }
    /* 表格行间距增大 */
    .tbl-scroll tr{ min-height:44px; }
    /* 顶部导航 padding 调整 */
    header > div:first-child{ padding-left:12px; padding-right:12px; }
    /* 主内容区域 padding 优化 */
    main{ padding-left:0; padding-right:0; }
    main > div[class*="mx-auto"]{ padding-left:16px; padding-right:16px; }
    /* 分页按钮增大触摸区 */
    .pagination a, .pagination span{
      min-width:40px; min-height:40px; line-height:40px; padding:0 8px;
    }
    /* 搜索框高度增大 */
    input[type="search"], input[type="text"]{ min-height:44px; }
    /* 标签/徽章触摸区 */
    a[href*="tag"], .tag-link{ padding:6px 12px; min-height:36px; display:inline-flex; align-items:center; }
    /* 英雄区标题自适应 */
    h1{ overflow-wrap:break-word; word-break:break-word; }
    /* 长标题、URL、代码防止溢出 */
    h1, h2, h3, p, div, span, li, td, th{ overflow-wrap:break-word; word-break:break-word; }
    /* 代码块横向滚动 */
    code[class*="font-mono"], pre{
      max-width:100%;
      overflow-x:auto;
      white-space:pre-wrap;
      word-break:break-all;
    }
    /* 模式标签溢出修复：允许横向滚动显示完整文字，不截断 */
    .mode-tab, .platform-tab{
      max-width:none;
      flex-shrink:0;
      white-space:nowrap;
    }
    .mode-tab span, .platform-tab span{
      white-space:nowrap;
    }
    /* 改枪码卡片内标题自适应 */
    .group h3, [class*="line-clamp"]{
      overflow:hidden;
      text-overflow:ellipsis;
    }
    /* 隐藏桌面端专属元素 */
    .desktop-only{ display:none !important; }
    /* 移动端按钮图标更大触摸区 */
    button svg, a svg{ flex-shrink:0; }
    /* 筛选/表单区域自适应 */
    .filter-toolbar, [class*="flex"][class*="flex-wrap"]{
      gap:8px;
    }
    /* 武器选择器网格内边距收紧 */
    #weaponStrip .weapon-card-link .p-2{ padding:6px; }
    /* Hero 区紧凑 */
    #hero-section, #weaponHero, section[class*="bg-gradient"]{
      padding-top:32px !important;
      padding-bottom:32px !important;
    }
    /* 改枪码卡片列表单列 */
    .lg\:grid-cols-2, .lg\:grid-cols-3, .lg\:grid-cols-4{
      grid-template-columns:1fr !important;
    }
    /* 玩家卡片 grid-cols 2 改为 1 列 */
    #players-grid [class*="grid-cols-2"],
    #players-grid [class*="sm:grid-cols-2"]{
      grid-template-columns:1fr !important;
    }
    /* CTA 按钮全宽友好 */
    .flex-col > .btn, .flex-col > a[class*="btn"]{
      width:100%;
    }
    /* 横向滚动容器优化 */
    .scroll-x{ -webkit-overflow-scrolling:touch; }
    /* 防止绝对定位元素溢出 */
    [class*="absolute"][class*="w-\["], [class*="absolute"][class*="w-\d+"]{
      max-width:100%;
    }
    /* 图片自适应 */
    img, svg, video, iframe, canvas{ max-width:100%; height:auto; }
    /* 长数字/文字防溢出 */
    .tabular-nums, [class*="font-mono"]{
      max-width:100%;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    /* 统计卡移动端紧凑 */
    .grid.grid-cols-3.gap-3, .grid.grid-cols-3.gap-4{
      gap:8px !important;
    }
    .grid.grid-cols-3.gap-3 > div, .grid.grid-cols-3.gap-4 > div{
      padding:12px !important;
    }
    /* 玩家详情页 stats grid 移动端紧凑 */
    .grid.grid-cols-2.gap-2 > div,
    .grid.grid-cols-2.gap-3 > div{
      padding:8px !important;
      min-width:0 !important;
    }
    .grid.grid-cols-2.gap-2 .text-xl,
    .grid.grid-cols-2.gap-3 .text-xl{
      font-size:16px !important;
    }
    /* 改枪码筛选标签移动端 */
    .flex.flex-wrap.items-center.gap-2 a[class*="rounded-full"]{
      font-size:11px !important;
      padding:4px 10px !important;
      line-height:1.2 !important;
    }
    /* 模态框移动端适配 */
    .fixed.inset-0.z-50,
    [id*="Modal"]{
      padding:12px !important;
    }
    .fixed.inset-0.z-50 > div:last-child,
    [id*="Modal"] > div:last-child{
      /* 85vh：居中后弹窗顶部约 7.5vh（>56px 导航栏），避免弹窗顶部与导航栏区域重叠 */
      max-height:85vh !important;
      overflow-y:auto !important;
    }
    /* 表单元素移动端 */
    input[type="text"], input[type="search"], input[type="number"],
    input[type="email"], input[type="password"], textarea, select{
      font-size:16px !important;
    }
    /* 防止 iOS zoom on focus */
    @supports (-webkit-touch-callout: none){
      input[type="text"], input[type="search"], input[type="number"],
      input[type="email"], input[type="password"], textarea, select{
        font-size:16px !important;
      }
    }
    /* 底部安全区域 */
    footer{
      padding-bottom:calc(env(safe-area-inset-bottom, 0px) + 2rem) !important;
    }
    /* 顶部安全区域 */
    header{
      padding-top:env(safe-area-inset-top, 0px) !important;
    }
    /* 大型表格横向滚动 */
    table{
      display:block !important;
      overflow-x:auto !important;
      -webkit-overflow-scrolling:touch !important;
    }
    /* 大型卡片移动端全宽 */
    .max-w-2xl, .max-w-3xl, .max-w-4xl, .max-w-5xl{
      max-width:100% !important;
    }
    /* 按钮组移动端换行 */
    .flex.items-center.gap-4{
      flex-wrap:wrap !important;
      gap:8px !important;
    }
    /* 文字链接按钮移动端 */
    a[class*="border-b-2"], button[class*="border-b-2"]{
      padding-bottom:2px !important;
    }
    /* 防止 sticky 元素遮挡内容 */
    [class*="sticky"][class*="top-"]{
      top:calc(var(--header-h, 56px) + env(safe-area-inset-top, 0px)) !important;
    }
    /* 卡片悬停增强：通过 JS 添加 transition 后，使用 :hover 触发阴影 */
    [style*="transition: box-shadow"]:hover{
      box-shadow:0 8px 24px rgba(0,0,0,0.08) !important;
    }
    .dark [style*="transition: box-shadow"]:hover{
      box-shadow:0 8px 24px rgba(0,0,0,0.3) !important;
    }
    /* 自定义滚动条 */
    .custom-scrollbar::-webkit-scrollbar{
      width:6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track{
      background:transparent;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb{
      background:rgba(100,116,139,0.3);
      border-radius:3px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb:hover{
      background:rgba(100,116,139,0.5);
    }
  }

/* aurora 风格按钮（全局可用） */
.aurora-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: #fff !important;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}
.aurora-btn-primary:hover {
  background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}
.aurora-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.5rem;
  background: rgba(99, 102, 241, 0.08);
  color: #6366f1 !important;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.875rem;
  border: 1px solid rgba(99, 102, 241, 0.15);
  transition: all 0.2s ease;
  cursor: pointer;
}
.aurora-btn-ghost:hover {
  background: rgba(99, 102, 241, 0.12);
  border-color: rgba(99, 102, 241, 0.3);
}

  /* Icon/text controls must stay aligned even when mobile wrapping rules are active. */
  .icon-text-inline {
    display: inline-flex !important;
    align-items: center !important;
    flex: 0 0 auto;
    gap: 0.25rem;
    vertical-align: middle;
    white-space: nowrap !important;
    overflow-wrap: normal !important;
    word-break: normal !important;
    line-height: 1 !important;
  }
  .icon-text-inline > svg,
  .icon-text-inline > img {
    display: block !important;
    flex: 0 0 auto !important;
    max-width: none;
    vertical-align: middle;
  }
  .icon-text-inline > span {
    white-space: nowrap !important;
    overflow-wrap: normal !important;
    word-break: normal !important;
    line-height: inherit;
  }

  /* Modern navigation dock: shared across all front-end themes. */
  #primaryNav {
    display: none;
    align-items: center;
    gap: 2px !important;
    width: auto !important;
    padding: 4px !important;
    border: 1px solid rgba(148, 163, 184, 0.24) !important;
    border-radius: 10px !important;
    background: rgba(241, 245, 249, 0.78) !important;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78), 0 1px 2px rgba(15, 23, 42, 0.04) !important;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
  .dark #primaryNav {
    border-color: rgba(148, 163, 184, 0.16) !important;
    background: rgba(15, 23, 42, 0.72) !important;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04), 0 1px 3px rgba(0, 0, 0, 0.2) !important;
  }
  #primaryNav .nav-link-item {
    --nav-tone: #06b6d4; /* 优化前: #0d9488 → 优化后: #06b6d4 */
    --nav-tone-soft: rgba(6, 182, 212, 0.1); /* 优化前: rgba(13, 148, 136, 0.1) → 优化后: rgba(6, 182, 212, 0.1) */
    --nav-tone-border: rgba(6, 182, 212, 0.18); /* 优化前: rgba(13, 148, 136, 0.18) → 优化后: rgba(6, 182, 212, 0.18) */
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    height: 38px !important;
    min-width: 38px;
    padding: 0 9px !important;
    border: 1px solid transparent !important;
    border-radius: 7px !important;
    color: #475569 !important;
    background: transparent !important;
    box-shadow: none !important;
    font-family: inherit !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    letter-spacing: 0 !important;
    line-height: 1 !important;
    text-transform: none !important;
    white-space: nowrap !important;
    position: relative !important;
    transition: color 160ms ease, background-color 160ms ease, border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease !important;
  }
  #primaryNav .nav-link-item:hover {
    color: var(--nav-tone) !important;
    background: rgba(255, 255, 255, 0.72) !important;
    border-color: var(--nav-tone-border) !important;
    transform: translateY(-1px);
  }
  #primaryNav .nav-link-item:focus-visible {
    color: var(--nav-tone) !important;
    background: #fff !important;
    border-color: var(--nav-tone-border) !important;
    outline: 2px solid var(--nav-tone-border) !important;
    outline-offset: 2px !important;
  }
  #primaryNav .nav-link-item.is-active {
    color: #0f172a !important;
    background: #fff !important;
    border-color: var(--nav-tone-border) !important;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08) !important;
  }
  #primaryNav .nav-link-item::after {
    display: none !important;
  }
  .dark #primaryNav .nav-link-item {
    color: #94a3b8 !important;
  }
  .dark #primaryNav .nav-link-item:hover,
  .dark #primaryNav .nav-link-item:focus-visible {
    color: #e2e8f0 !important;
    background: rgba(30, 41, 59, 0.9) !important;
  }
  .dark #primaryNav .nav-link-item.is-active {
    color: #f8fafc !important;
    background: rgba(30, 41, 59, 0.98) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.24) !important;
  }
  #primaryNav .nav-icon-wrap,
  #mobileMenu .mobile-nav-icon {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    flex: 0 0 auto !important;
    color: var(--nav-tone) !important;
    background: var(--nav-tone-soft) !important;
    border: 1px solid var(--nav-tone-border) !important;
    position: relative;
  }
  #primaryNav .nav-icon-wrap {
    width: 26px;
    height: 26px;
    border-radius: 7px;
  }
  #primaryNav .nav-icon-wrap svg,
  #mobileMenu .mobile-nav-icon svg {
    display: block;
    flex: 0 0 auto;
  }
  #primaryNav .nav-link-item.is-active .nav-icon-wrap::after {
    content: "";
    position: absolute;
    right: -2px;
    bottom: -2px;
    width: 6px;
    height: 6px;
    border: 1px solid #fff;
    border-radius: 50%;
    background: var(--nav-tone);
  }
  .dark #primaryNav .nav-link-item.is-active .nav-icon-wrap::after {
    border-color: #1e293b;
  }
  #primaryNav .nav-label,
  #mobileMenu .mobile-nav-label {
    display: block;
    min-width: 0;
    white-space: nowrap !important;
    overflow-wrap: normal !important;
    word-break: normal !important;
    letter-spacing: 0 !important;
  }
  #primaryNav .nav-badge {
    position: absolute;
    top: -5px;
    right: -4px;
    min-width: 15px;
    height: 15px;
    padding: 0 3px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #fff;
    border-radius: 7px;
    font-size: 8px;
    font-weight: 700;
    line-height: 1;
  }
  .dark #primaryNav .nav-badge {
    border-color: #0f172a;
  }
  .header-theme-toggle .header-action-label {
    display: none;
  }

  .nav-tone-teal { --nav-tone: #06b6d4 !important; --nav-tone-soft: rgba(6, 182, 212, 0.1) !important; --nav-tone-border: rgba(6, 182, 212, 0.2) !important; } /* 优化前: #0d9488/rgba(13,148,136,...) → 优化后: #06b6d4/rgba(6,182,212,...) */
  .nav-tone-blue { --nav-tone: #2563eb !important; --nav-tone-soft: rgba(37, 99, 235, 0.1) !important; --nav-tone-border: rgba(37, 99, 235, 0.2) !important; }
  .nav-tone-amber { --nav-tone: #ea580c !important; --nav-tone-soft: rgba(234, 88, 12, 0.1) !important; --nav-tone-border: rgba(234, 88, 12, 0.2) !important; } /* 优化前: #d97706/rgba(217,119,6,...) → 优化后: #ea580c/rgba(234,88,12,...) */
  .nav-tone-violet { --nav-tone: #7c3aed !important; --nav-tone-soft: rgba(124, 58, 237, 0.1) !important; --nav-tone-border: rgba(124, 58, 237, 0.2) !important; }
  .nav-tone-rose { --nav-tone: #e11d48 !important; --nav-tone-soft: rgba(225, 29, 72, 0.1) !important; --nav-tone-border: rgba(225, 29, 72, 0.2) !important; }
  .nav-tone-cyan { --nav-tone: #0891b2 !important; --nav-tone-soft: rgba(8, 145, 178, 0.1) !important; --nav-tone-border: rgba(8, 145, 178, 0.2) !important; }
  .nav-tone-orange { --nav-tone: #ea580c !important; --nav-tone-soft: rgba(234, 88, 12, 0.1) !important; --nav-tone-border: rgba(234, 88, 12, 0.2) !important; }
  .nav-tone-slate { --nav-tone: #475569 !important; --nav-tone-soft: rgba(71, 85, 105, 0.1) !important; --nav-tone-border: rgba(71, 85, 105, 0.2) !important; }

  #mobileMenu > nav {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px !important;
    padding: 12px !important;
  }
  #mobileMenu .mobile-nav-item {
    --nav-tone: #06b6d4; /* 优化前: #0d9488 → 优化后: #06b6d4 */
    --nav-tone-soft: rgba(6, 182, 212, 0.1); /* 优化前: rgba(13, 148, 136, 0.1) → 优化后: rgba(6, 182, 212, 0.1) */
    --nav-tone-border: rgba(6, 182, 212, 0.18); /* 优化前: rgba(13, 148, 136, 0.18) → 优化后: rgba(6, 182, 212, 0.18) */
    display: flex !important;
    flex-direction: column;
    align-items: center !important;
    justify-content: center !important;
    gap: 7px !important;
    min-width: 0;
    min-height: 82px !important;
    padding: 10px 8px !important;
    border: 1px solid #e5e7eb !important;
    border-radius: 8px !important;
    color: #334155 !important;
    background: #fff !important;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03) !important;
    font-family: inherit !important;
    font-size: 13px !important;
    font-weight: 600 !important;
    letter-spacing: 0 !important;
    line-height: 1 !important;
    text-transform: none !important;
    white-space: nowrap !important;
    position: relative;
    transition: color 150ms ease, border-color 150ms ease, background-color 150ms ease, transform 150ms ease !important;
  }
  #mobileMenu .mobile-nav-item:hover,
  #mobileMenu .mobile-nav-item:focus-visible {
    color: var(--nav-tone) !important;
    border-color: var(--nav-tone-border) !important;
    background: var(--nav-tone-soft) !important;
    outline: none !important;
  }
  #mobileMenu .mobile-nav-item.is-active {
    color: var(--nav-tone) !important;
    border-color: var(--nav-tone-border) !important;
    background: var(--nav-tone-soft) !important;
    box-shadow: inset 0 0 0 1px var(--nav-tone-border) !important;
  }
  #mobileMenu .mobile-nav-item:active {
    transform: scale(0.97);
  }
  #mobileMenu .mobile-nav-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px !important;
  }
  #mobileMenu .mobile-nav-label {
    width: 100%;
    overflow: hidden;
    text-align: center;
    text-overflow: ellipsis;
  }
  #mobileMenu .nav-badge {
    position: absolute;
    top: 7px;
    right: 7px;
    min-width: 16px;
    height: 16px;
    padding: 0 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    color: #fff;
    font-size: 8px;
    font-weight: 700;
    line-height: 1;
  }
  #mobileMenu .mobile-nav-separator {
    grid-column: 1 / -1;
    height: 1px;
    margin: 2px 0;
    background: #e5e7eb;
  }
  .dark #mobileMenu .mobile-nav-item {
    color: #cbd5e1 !important;
    border-color: #334155 !important; /* 优化前: #273244 → 优化后: #334155 (Slate-700) */
    background: #1e293b !important; /* 优化前: #111827 → 优化后: #1e293b (Slate-800) */
  }
  .dark #mobileMenu .mobile-nav-item:hover,
  .dark #mobileMenu .mobile-nav-item:focus-visible,
  .dark #mobileMenu .mobile-nav-item.is-active {
    color: #f8fafc !important;
    border-color: var(--nav-tone-border) !important;
    background: rgba(30, 41, 59, 0.96) !important;
  }
  .dark #mobileMenu .mobile-nav-separator {
    background: #334155; /* 优化前: #273244 → 优化后: #334155 (Slate-700) */
  }
  @media (min-width: 768px) {
    #primaryNav {
      display: flex !important;
    }
  }
  @media (min-width: 768px) and (max-width: 1179.98px) {
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item {
      width: 38px;
      padding: 0 5px !important;
      justify-content: center;
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-label {
      display: none;
    }
  }



  /* Persistent glass sidebar: collapsed icon rail, hover/focus drawer expansion. */
  @media (min-width: 1024px) {
    body.nav-desktop-sidebar-drawer #siteShell {
      padding-left: 72px;
    }
    body.nav-desktop-sidebar-drawer .site-header {
      position: fixed !important;
      inset: 0 auto 0 0 !important;
      width: 72px !important;
      height: 100dvh !important;
      border-right: 1px solid rgba(148, 163, 184, 0.28) !important;
      border-bottom: 0 !important;
      background: rgba(255, 255, 255, 0.62) !important;
      box-shadow: 8px 0 28px rgba(15, 23, 42, 0.06) !important;
      overflow: hidden;
      /* 1050: 高于 Leaflet 地图(≤1000)，低于弹窗(1100) */
      z-index: 1050;
      -webkit-backdrop-filter: blur(22px) saturate(145%) !important;
      backdrop-filter: blur(22px) saturate(145%) !important;
      -webkit-backdrop-filter: blur(22px) saturate(145%) !important;
      transition: width 280ms cubic-bezier(.2,.8,.2,1), box-shadow 280ms ease !important;
    }
    body.nav-desktop-sidebar-drawer .site-header:hover,
    body.nav-desktop-sidebar-drawer .site-header:focus-within {
      width: 248px !important;
      box-shadow: 14px 0 38px rgba(15, 23, 42, 0.1) !important;
    }
    .dark body.nav-desktop-sidebar-drawer .site-header {
      border-right-color: rgba(148, 163, 184, 0.16) !important;
      background: rgba(10, 14, 20, 0.68) !important;
      box-shadow: 10px 0 34px rgba(0, 0, 0, 0.22) !important;
    }
    body.nav-desktop-sidebar-drawer .header-inner {
      width: 100% !important;
      max-width: none !important;
      height: 100% !important;
      padding: 10px !important;
      display: flex !important;
      flex-direction: column !important;
      align-items: stretch !important;
      justify-content: flex-start !important;
      gap: 8px;
      overflow: hidden;
    }
    body.nav-desktop-sidebar-drawer .site-brand {
      width: 100%;
      min-height: 52px;
      padding: 2px 1px;
      justify-content: flex-start;
      overflow: hidden;
    }
    body.nav-desktop-sidebar-drawer .site-logo-mark {
      width: 48px !important;
      height: 48px !important;
      flex: 0 0 48px !important;
      border-radius: 10px !important;
    }
    body.nav-desktop-sidebar-drawer .site-brand-name {
      width: 0;
      max-width: 0;
      opacity: 0;
      overflow: hidden;
      transform: translateX(-6px);
      transition: opacity 160ms ease 45ms, transform 220ms ease 45ms, max-width 220ms ease;
    }
    body.nav-desktop-sidebar-drawer .site-header:hover .site-brand-name,
    body.nav-desktop-sidebar-drawer .site-header:focus-within .site-brand-name {
      width: auto;
      max-width: 160px;
      opacity: 1;
      transform: translateX(0);
    }
    body.nav-desktop-sidebar-drawer #primaryNav {
      width: 100% !important;
      min-height: 0;
      flex: 1 1 auto;
      display: flex !important;
      flex-direction: column;
      align-items: stretch;
      gap: 4px !important;
      padding: 9px 0 !important;
      border: 0 !important;
      border-top: 1px solid rgba(148, 163, 184, 0.18) !important;
      border-bottom: 1px solid rgba(148, 163, 184, 0.18) !important;
      border-radius: 0 !important;
      background: transparent !important;
      box-shadow: none !important;
      overflow-x: hidden;
      overflow-y: auto;
      scrollbar-width: none;
      -webkit-backdrop-filter: none !important;
      backdrop-filter: none !important;
      -webkit-backdrop-filter: none !important;
    }
    body.nav-desktop-sidebar-drawer #primaryNav::-webkit-scrollbar {
      display: none;
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item {
      width: 100% !important;
      min-width: 50px;
      height: 44px !important;
      padding: 0 7px !important;
      gap: 10px !important;
      justify-content: flex-start !important;
      border: 0 !important;
      border-radius: 7px !important;
      color: #475569 !important;
      background: transparent !important;
      box-shadow: none !important;
      transform: none !important;
      overflow: visible;
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item:hover,
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item:focus-visible {
      color: var(--nav-tone) !important;
      background: rgba(255, 255, 255, 0.38) !important;
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item.is-active {
      color: #0891b2 !important; /* 优化前: #0f766e → 优化后: #0891b2 (Cyan-600) */
      background: transparent !important;
      box-shadow: none !important;
    }
    .dark body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item {
      color: #CBD5E1 !important; /* 优化前: #94a3b8 (Slate-400 浅灰，细线图标看不清) → 优化后: #CBD5E1 (Slate-300) */
    }
    .dark body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item:hover,
    .dark body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item:focus-visible {
      color: #e2e8f0 !important;
      background: rgba(30, 41, 59, 0.42) !important;
    }
    .dark body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item.is-active {
      color: #a5f3fc !important; /* 优化前: #5eead4 → 优化后: #a5f3fc (Cyan-200) */
      background: transparent !important;
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item::after {
      content: "";
      display: block !important;
      position: absolute;
      top: 8px;
      bottom: 8px;
      left: -1px;
      width: 3px;
      height: auto;
      border-radius: 0 3px 3px 0;
      background: #22d3ee; /* 优化前: #14b8a6 → 优化后: #22d3ee (Cyan-400) */
      box-shadow: 0 0 9px rgba(34, 211, 238, 0.82); /* 优化前: rgba(20, 184, 166, 0.82) → 优化后: rgba(34, 211, 238, 0.82) */
      opacity: 0;
      transform: scaleY(0.25);
      transition: opacity 180ms ease, transform 260ms cubic-bezier(.2,.8,.2,1);
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item.is-active::after {
      opacity: 1;
      transform: scaleY(1);
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-icon-wrap {
      width: 36px;
      height: 36px;
      flex: 0 0 36px !important;
      border-color: transparent !important;
      background: transparent !important;
      transition: color 180ms ease, transform 220ms ease;
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item:hover .nav-icon-wrap {
      transform: translateX(1px);
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item.is-active .nav-icon-wrap::after {
      display: none;
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-label {
      display: block !important;
      max-width: 0;
      opacity: 0;
      overflow: hidden;
      transform: translateX(-7px);
      transition: opacity 150ms ease 45ms, transform 220ms ease 45ms, max-width 220ms ease;
    }
    body.nav-desktop-sidebar-drawer .site-header:hover #primaryNav .nav-label,
    body.nav-desktop-sidebar-drawer .site-header:focus-within #primaryNav .nav-label {
      max-width: 145px;
      opacity: 1;
      transform: translateX(0);
    }
    body.nav-desktop-sidebar-drawer #primaryNav .nav-badge {
      top: 2px;
      right: 2px;
    }
    body.nav-desktop-sidebar-drawer .header-actions {
      width: 100%;
      flex: 0 0 auto;
      display: flex !important;
      flex-direction: column;
      align-items: stretch;
      gap: 4px !important;
    }
    body.nav-desktop-sidebar-drawer .header-action-link,
    body.nav-desktop-sidebar-drawer .header-theme-toggle {
      width: 100% !important;
      min-width: 50px;
      height: 42px !important;
      padding: 0 10px !important;
      display: flex !important;
      align-items: center !important;
      justify-content: flex-start !important;
      gap: 11px !important;
      border: 0 !important;
      border-radius: 7px !important;
      color: #64748b !important;
      background: transparent !important;
      box-shadow: none !important;
      overflow: hidden;
      white-space: nowrap;
    }
    body.nav-desktop-sidebar-drawer .header-action-link:hover,
    body.nav-desktop-sidebar-drawer .header-theme-toggle:hover {
      color: #0891b2 !important; /* 优化前: #0f766e → 优化后: #0891b2 (Cyan-600) */
      background: rgba(255, 255, 255, 0.38) !important;
    }
    .dark body.nav-desktop-sidebar-drawer .header-action-link,
    .dark body.nav-desktop-sidebar-drawer .header-theme-toggle {
      color: #94a3b8 !important;
    }
    .dark body.nav-desktop-sidebar-drawer .header-action-link:hover,
    .dark body.nav-desktop-sidebar-drawer .header-theme-toggle:hover {
      color: #f8fafc !important;
      background: rgba(30, 41, 59, 0.42) !important;
    }
    body.nav-desktop-sidebar-drawer .header-action-icon {
      width: 30px;
      height: 30px;
      flex: 0 0 30px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    body.nav-desktop-sidebar-drawer .header-action-label {
      display: block !important;
      max-width: 0;
      opacity: 0;
      overflow: hidden;
      transform: translateX(-6px);
      transition: opacity 150ms ease 45ms, transform 220ms ease 45ms, max-width 220ms ease;
    }
    body.nav-desktop-sidebar-drawer .site-header:hover .header-action-label,
    body.nav-desktop-sidebar-drawer .site-header:focus-within .header-action-label {
      max-width: 150px;
      opacity: 1;
      transform: translateX(0);
    }
  }

  /* Classic mobile navigation: restores the original compact vertical list. */
  body.nav-mobile-classic-list #mobileMenu > nav {
    display: flex !important;
    flex-direction: column;
    gap: 2px !important;
    padding: 10px !important;
  }
  body.nav-mobile-classic-list #mobileMenu .mobile-nav-item {
    min-height: 48px !important;
    padding: 7px 10px !important;
    flex-direction: row;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 10px !important;
    border-color: transparent !important;
    border-radius: 7px !important;
    background: transparent !important;
    box-shadow: none !important;
  }
  body.nav-mobile-classic-list #mobileMenu .mobile-nav-item:hover,
  body.nav-mobile-classic-list #mobileMenu .mobile-nav-item:focus-visible,
  body.nav-mobile-classic-list #mobileMenu .mobile-nav-item.is-active {
    color: var(--nav-tone) !important;
    border-color: var(--nav-tone-border) !important;
    background: var(--nav-tone-soft) !important;
    box-shadow: none !important;
  }
  body.nav-mobile-classic-list #mobileMenu .mobile-nav-icon {
    width: 32px;
    height: 32px;
    border-radius: 7px !important;
  }
  body.nav-mobile-classic-list #mobileMenu .mobile-nav-label {
    width: auto;
    flex: 1 1 auto;
    text-align: left;
    text-overflow: ellipsis;
  }
  body.nav-mobile-classic-list #mobileMenu .nav-badge {
    position: static;
    margin-left: auto;
    flex: 0 0 auto;
  }
  body.nav-mobile-classic-list #mobileMenu .mobile-nav-separator {
    width: 100%;
    margin: 5px 0;
  }

  @media (prefers-reduced-motion: reduce) {
    body.nav-desktop-sidebar-drawer .site-header,
    body.nav-desktop-sidebar-drawer .site-brand-name,
    body.nav-desktop-sidebar-drawer #primaryNav .nav-label,
    body.nav-desktop-sidebar-drawer #primaryNav .nav-link-item::after,
    body.nav-desktop-sidebar-drawer .header-action-label {
      transition-duration: 0.01ms !important;
    }
  }

  /* ============ 顶部毛玻璃抽屉导航（top_glass_drawer）============ */
  /* 仅桌面 ≥768px 生效；移动端用移动导航样式（汉堡抽屉） */
  @media (min-width: 768px) {
    body.nav-desktop-top-glass-drawer #siteShell { padding-top: 56px; }
    body.nav-desktop-top-glass-drawer .site-header {
      position: fixed !important;
      inset: 0 0 auto 0 !important;
      height: 56px !important;
      background: rgba(255, 255, 255, 0.72) !important;
      -webkit-backdrop-filter: blur(22px) saturate(145%) !important;
      backdrop-filter: blur(22px) saturate(145%) !important;
      -webkit-backdrop-filter: blur(22px) saturate(145%) !important;
      border-bottom: 1px solid rgba(148, 163, 184, 0.28) !important;
      box-shadow: 0 6px 24px rgba(15, 23, 42, 0.06) !important;
      z-index: 1050;
      overflow: hidden;
    }
    .dark body.nav-desktop-top-glass-drawer .site-header {
      background: rgba(10, 14, 20, 0.74) !important;
      border-bottom-color: rgba(148, 163, 184, 0.16) !important;
      box-shadow: 0 8px 28px rgba(0, 0, 0, 0.22) !important;
    }
    body.nav-desktop-top-glass-drawer .header-inner {
      width: 100% !important;
      max-width: 80rem !important;
      height: 100% !important;
      margin: 0 auto;
      padding: 0 16px !important;
      display: flex !important;
      align-items: center !important;
      gap: 16px;
    }
    body.nav-desktop-top-glass-drawer .site-brand { flex: 0 0 auto; display: flex; align-items: center; gap: 10px; overflow: hidden; }
    body.nav-desktop-top-glass-drawer .site-brand-name {
      max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap;
      transition: opacity 180ms ease 60ms, max-width 240ms ease;
    }
    body.nav-desktop-top-glass-drawer .site-brand:hover .site-brand-name,
    body.nav-desktop-top-glass-drawer .site-brand:focus-within .site-brand-name {
      max-width: 160px; opacity: 1;
    }
    body.nav-desktop-top-glass-drawer #primaryNav {
      flex: 1 1 auto;
      display: flex !important;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      gap: 6px !important;
      padding: 0 !important;
      border: 0 !important;
      background: transparent !important;
      box-shadow: none !important;
      overflow: visible;
    }
    body.nav-desktop-top-glass-drawer #primaryNav .nav-link-item {
      flex: 0 0 auto;
      flex-direction: row !important;
      align-items: center !important;
      justify-content: center !important;
      height: 40px !important;
      padding: 0 10px !important;
      gap: 6px !important;
      border: 0 !important;
      border-radius: 10px !important;
      color: #475569 !important;
      background: transparent !important;
      box-shadow: none !important;
      white-space: nowrap;
      transition: background 160ms ease;
    }
    body.nav-desktop-top-glass-drawer #primaryNav .nav-link-item:hover,
    body.nav-desktop-top-glass-drawer #primaryNav .nav-link-item:focus-visible {
      color: var(--nav-tone) !important;
      background: rgba(255, 255, 255, 0.5) !important;
    }
    body.nav-desktop-top-glass-drawer #primaryNav .nav-link-item.is-active {
      color: #0891b2 !important;
      background: rgba(8, 145, 178, 0.1) !important;
    }
    .dark body.nav-desktop-top-glass-drawer #primaryNav .nav-link-item { color: #94a3b8 !important; }
    .dark body.nav-desktop-top-glass-drawer #primaryNav .nav-link-item:hover,
    .dark body.nav-desktop-top-glass-drawer #primaryNav .nav-link-item:focus-visible {
      background: rgba(255, 255, 255, 0.08) !important;
    }
    body.nav-desktop-top-glass-drawer #primaryNav .nav-chevron { display: none !important; }
    body.nav-desktop-top-glass-drawer #primaryNav .nav-label {
      max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap;
      font-size: 13px; line-height: 1;
      transition: opacity 180ms ease, max-width 240ms ease;
    }
    body.nav-desktop-top-glass-drawer #primaryNav .nav-link-item:hover .nav-label,
    body.nav-desktop-top-glass-drawer #primaryNav .nav-link-item:focus-visible .nav-label {
      max-width: 120px; opacity: 1;
    }
    body.nav-desktop-top-glass-drawer .header-actions { flex: 0 0 auto; }
    body.nav-desktop-top-glass-drawer .header-action-label {
      max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap;
      transition: opacity 180ms ease 60ms, max-width 240ms ease;
    }
    body.nav-desktop-top-glass-drawer .header-action-link:hover .header-action-label,
    body.nav-desktop-top-glass-drawer .header-theme-toggle:hover .header-action-label {
      max-width: 160px; opacity: 1;
    }
  }
  @media (min-width: 768px) and (prefers-reduced-motion: reduce) {
    body.nav-desktop-top-glass-drawer .site-header,
    body.nav-desktop-top-glass-drawer .site-brand-name,
    body.nav-desktop-top-glass-drawer #primaryNav .nav-label,
    body.nav-desktop-top-glass-drawer .header-action-label {
      transition-duration: 0.01ms !important;
    }
  }

  /* ============ 平板端导航（768px-1023.98px）============ */
  /* 介于电脑端（≥1024px）与移动端（<768px）之间的中间尺寸导航样式。
     覆盖 desktop top_glass_drawer（≥768px）在该区间的样式，由 body.nav-tablet-* 选择器接管。
     偏好：position: sticky 置顶、毛玻璃 glassmorphism、图标居中、默认仅图标 hover 展开文字。 */
  @media (min-width: 768px) and (max-width: 1023.98px) {
    /* —— tablet_glass_rail：顶部毛玻璃图标轨，悬停展开文字 —— */
    body.nav-tablet-tablet-glass-rail #siteShell { padding-top: 52px !important; }
    body.nav-tablet-tablet-glass-rail .site-header {
      position: fixed !important;
      inset: 0 0 auto 0 !important;
      top: 0 !important;
      height: 52px !important;
      background: rgba(255, 255, 255, 0.68) !important;
      -webkit-backdrop-filter: blur(20px) saturate(140%) !important;
      backdrop-filter: blur(20px) saturate(140%) !important;
      -webkit-backdrop-filter: blur(20px) saturate(140%) !important;
      border-bottom: 1px solid rgba(148, 163, 184, 0.24) !important;
      box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05) !important;
      z-index: 1050;
      overflow: hidden;
    }
    .dark body.nav-tablet-tablet-glass-rail .site-header {
      background: rgba(10, 14, 20, 0.72) !important;
      border-bottom-color: rgba(148, 163, 184, 0.14) !important;
      box-shadow: 0 6px 22px rgba(0, 0, 0, 0.2) !important;
    }
    body.nav-tablet-tablet-glass-rail .header-inner {
      width: 100% !important;
      max-width: 100% !important;
      height: 100% !important;
      margin: 0 auto;
      padding: 0 12px !important;
      display: flex !important;
      align-items: center !important;
      gap: 8px;
    }
    body.nav-tablet-tablet-glass-rail .site-brand { flex: 0 0 auto; display: flex; align-items: center; gap: 8px; overflow: hidden; }
    body.nav-tablet-tablet-glass-rail .site-brand-name {
      max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap;
      transition: opacity 180ms cubic-bezier(0.22, 1, 0.36, 1) 60ms, max-width 240ms cubic-bezier(0.22, 1, 0.36, 1);
    }
    body.nav-tablet-tablet-glass-rail .site-brand:hover .site-brand-name,
    body.nav-tablet-tablet-glass-rail .site-brand:focus-within .site-brand-name {
      max-width: 140px; opacity: 1;
    }
    body.nav-tablet-tablet-glass-rail #primaryNav {
      flex: 1 1 auto;
      display: flex !important;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      gap: 4px !important;
      padding: 0 !important;
      border: 0 !important;
      background: transparent !important;
      box-shadow: none !important;
      overflow: visible;
    }
    body.nav-tablet-tablet-glass-rail #primaryNav .nav-link-item {
      flex: 0 0 auto;
      flex-direction: row !important;
      align-items: center !important;
      justify-content: center !important;
      height: 38px !important;
      padding: 0 8px !important;
      gap: 5px !important;
      border: 0 !important;
      border-radius: 10px !important;
      color: #475569 !important;
      background: transparent !important;
      box-shadow: none !important;
      white-space: nowrap;
      transition: background 160ms cubic-bezier(0.22, 1, 0.36, 1);
    }
    body.nav-tablet-tablet-glass-rail #primaryNav .nav-link-item:hover,
    body.nav-tablet-tablet-glass-rail #primaryNav .nav-link-item:focus-visible {
      color: var(--nav-tone) !important;
      background: rgba(255, 255, 255, 0.5) !important;
    }
    body.nav-tablet-tablet-glass-rail #primaryNav .nav-link-item.is-active {
      color: #0891b2 !important;
      background: rgba(8, 145, 178, 0.1) !important;
    }
    .dark body.nav-tablet-tablet-glass-rail #primaryNav .nav-link-item { color: #94a3b8 !important; }
    .dark body.nav-tablet-tablet-glass-rail #primaryNav .nav-link-item:hover,
    .dark body.nav-tablet-tablet-glass-rail #primaryNav .nav-link-item:focus-visible {
      background: rgba(255, 255, 255, 0.08) !important;
    }
    body.nav-tablet-tablet-glass-rail #primaryNav .nav-chevron { display: none !important; }
    body.nav-tablet-tablet-glass-rail #primaryNav .nav-label {
      max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap;
      font-size: 12px; line-height: 1;
      transition: opacity 180ms cubic-bezier(0.22, 1, 0.36, 1), max-width 240ms cubic-bezier(0.22, 1, 0.36, 1);
    }
    body.nav-tablet-tablet-glass-rail #primaryNav .nav-link-item:hover .nav-label,
    body.nav-tablet-tablet-glass-rail #primaryNav .nav-link-item:focus-visible .nav-label {
      max-width: 100px; opacity: 1;
    }
    body.nav-tablet-tablet-glass-rail .header-actions { flex: 0 0 auto; }
    body.nav-tablet-tablet-glass-rail .header-action-label {
      max-width: 0; opacity: 0; overflow: hidden; white-space: nowrap;
      transition: opacity 180ms cubic-bezier(0.22, 1, 0.36, 1) 60ms, max-width 240ms cubic-bezier(0.22, 1, 0.36, 1);
    }
    body.nav-tablet-tablet-glass-rail .header-action-link:hover .header-action-label,
    body.nav-tablet-tablet-glass-rail .header-theme-toggle:hover .header-action-label {
      max-width: 140px; opacity: 1;
    }

    /* —— tablet_icon_bar：紧凑图标条，始终仅图标，悬停浮出 tooltip 文字 —— */
    body.nav-tablet-tablet-icon-bar #siteShell { padding-top: 48px !important; }
    body.nav-tablet-tablet-icon-bar .site-header {
      position: fixed !important;
      inset: 0 0 auto 0 !important;
      top: 0 !important;
      height: 48px !important;
      background: rgba(255, 255, 255, 0.72) !important;
      -webkit-backdrop-filter: blur(18px) saturate(135%) !important;
      backdrop-filter: blur(18px) saturate(135%) !important;
      -webkit-backdrop-filter: blur(18px) saturate(135%) !important;
      border-bottom: 1px solid rgba(148, 163, 184, 0.22) !important;
      box-shadow: 0 3px 14px rgba(15, 23, 42, 0.04) !important;
      z-index: 1050;
      overflow: visible;
    }
    .dark body.nav-tablet-tablet-icon-bar .site-header {
      background: rgba(10, 14, 20, 0.76) !important;
      border-bottom-color: rgba(148, 163, 184, 0.12) !important;
      box-shadow: 0 5px 18px rgba(0, 0, 0, 0.18) !important;
    }
    body.nav-tablet-tablet-icon-bar .header-inner {
      width: 100% !important;
      max-width: 100% !important;
      height: 100% !important;
      margin: 0 auto;
      padding: 0 10px !important;
      display: flex !important;
      align-items: center !important;
      gap: 6px;
    }
    body.nav-tablet-tablet-icon-bar .site-brand { flex: 0 0 auto; display: flex; align-items: center; gap: 6px; overflow: hidden; }
    body.nav-tablet-tablet-icon-bar .site-brand-name { display: none !important; }
    body.nav-tablet-tablet-icon-bar #primaryNav {
      flex: 1 1 auto;
      display: flex !important;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      gap: 2px !important;
      padding: 0 !important;
      border: 0 !important;
      background: transparent !important;
      box-shadow: none !important;
      overflow: visible;
    }
    body.nav-tablet-tablet-icon-bar #primaryNav .nav-link-item {
      flex: 0 0 auto;
      flex-direction: row !important;
      align-items: center !important;
      justify-content: center !important;
      width: 36px !important;
      height: 36px !important;
      padding: 0 !important;
      gap: 0 !important;
      border: 0 !important;
      border-radius: 9px !important;
      color: #475569 !important;
      background: transparent !important;
      box-shadow: none !important;
      position: relative;
      transition: background 150ms cubic-bezier(0.22, 1, 0.36, 1);
    }
    body.nav-tablet-tablet-icon-bar #primaryNav .nav-link-item:hover,
    body.nav-tablet-tablet-icon-bar #primaryNav .nav-link-item:focus-visible {
      color: var(--nav-tone) !important;
      background: rgba(255, 255, 255, 0.55) !important;
    }
    body.nav-tablet-tablet-icon-bar #primaryNav .nav-link-item.is-active {
      color: #0891b2 !important;
      background: rgba(8, 145, 178, 0.12) !important;
    }
    .dark body.nav-tablet-tablet-icon-bar #primaryNav .nav-link-item { color: #94a3b8 !important; }
    .dark body.nav-tablet-tablet-icon-bar #primaryNav .nav-link-item:hover,
    .dark body.nav-tablet-tablet-icon-bar #primaryNav .nav-link-item:focus-visible {
      background: rgba(255, 255, 255, 0.08) !important;
    }
    body.nav-tablet-tablet-icon-bar #primaryNav .nav-chevron { display: none !important; }
    body.nav-tablet-tablet-icon-bar #primaryNav .nav-label {
      position: absolute; top: calc(100% + 6px); left: 50%; transform: translateX(-50%);
      max-width: none; opacity: 0; overflow: visible; white-space: nowrap;
      font-size: 12px; line-height: 1; pointer-events: none;
      padding: 5px 10px; border-radius: 7px;
      background: rgba(15, 23, 42, 0.92); color: #f1f5f9;
      box-shadow: 0 6px 18px rgba(15, 23, 42, 0.22);
      transition: opacity 150ms cubic-bezier(0.22, 1, 0.36, 1) 80ms;
      z-index: 1060;
    }
    .dark body.nav-tablet-tablet-icon-bar #primaryNav .nav-label {
      background: rgba(241, 245, 249, 0.95); color: #0f172a;
    }
    body.nav-tablet-tablet-icon-bar #primaryNav .nav-link-item:hover .nav-label,
    body.nav-tablet-tablet-icon-bar #primaryNav .nav-link-item:focus-visible .nav-label {
      opacity: 1;
    }
    body.nav-tablet-tablet-icon-bar .header-actions { flex: 0 0 auto; }
    body.nav-tablet-tablet-icon-bar .header-action-label { display: none !important; }
  }
  @media (min-width: 768px) and (max-width: 1023.98px) and (prefers-reduced-motion: reduce) {
    body.nav-tablet-tablet-glass-rail .site-header,
    body.nav-tablet-tablet-glass-rail .site-brand-name,
    body.nav-tablet-tablet-glass-rail #primaryNav .nav-label,
    body.nav-tablet-tablet-glass-rail .header-action-label,
    body.nav-tablet-tablet-icon-bar #primaryNav .nav-label {
      transition-duration: 0.01ms !important;
    }
  }

  /* ============ 移动端导航（<768px）============ */
  /* 显式确保小于 768px 时始终显示移动端导航栏样式（汉堡菜单 + 抽屉），
     平板端/桌面端/ua-desktop 导航样式在此区间一律不生效。 */
  @media (max-width: 767.98px) {
    body #primaryNav { display: none !important; }
    body #mobileMenuBtn { display: inline-flex !important; }
    body #siteShell { padding-top: 56px !important; padding-left: 0 !important; }
    body .site-header {
      position: fixed !important;
      inset: 0 0 auto 0 !important;
      top: 0 !important;
      width: 100% !important;
      height: 56px !important;
      border-right: 0 !important;
      /* 1050: 高于 Leaflet 地图(≤1000)，低于弹窗(1100) */
      z-index: 1050 !important;
    }
    body .header-inner {
      max-width: 80rem !important;
      height: 56px !important;
      padding: 0 8px !important;
    }
  }

  /* 桌面 UA 强制桌面导航：仅在 ≥768px 生效；<768px 由上方移动端规则接管 */
  @media (min-width: 768px) {
    body.ua-desktop #primaryNav { display: flex !important; }
    body.ua-desktop #mobileMenuBtn,
    body.ua-desktop #mobileMenu,
    body.ua-desktop #mobileMenuOverlay { display: none !important; }
  }

  /* ============ View Transitions：页面导航 + 主题切换 ============ */
  /* 启用同源 GET 导航的跨文档视图过渡（Chrome/Edge 111+ 原生，无 JS） */
  @view-transition { navigation: auto; }
  /* 默认：页面导航——旧页静止、新页上层淡入覆盖，无交叉叠加/白屏割裂 */
  ::view-transition-old(root) {
    animation: none;
    z-index: 0;
  }
  ::view-transition-new(root) {
    animation: vt-page-in 260ms cubic-bezier(.2,.8,.2,1) forwards;
    z-index: 1;
  }
  @keyframes vt-page-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
  /* 移动端：缩短页面导航过渡（260→160ms），减少 backdrop-filter 重合成开销 */
  @media (max-width: 767.98px) {
    ::view-transition-new(root) { animation: vt-page-in 160ms cubic-bezier(.2,.8,.2,1) forwards; }
  }
  /* 主题切换：圆形扩散/收回——禁用默认交叉淡入，由 JS Web Animations + clipPath 驱动 */
  html.vt-expand::view-transition-old(root),
  html.vt-expand::view-transition-new(root),
  html.vt-collapse::view-transition-old(root),
  html.vt-collapse::view-transition-new(root) {
    animation: none;
    mix-blend-mode: normal;
    overflow: clip;
  }
  /* 扩散（切夜间）：新主题在上层，从点击位置圆形展开覆盖旧主题 */
  html.vt-expand::view-transition-old(root) { z-index: 0; }
  html.vt-expand::view-transition-new(root) { z-index: 1; }
  /* 收回（切日间）：旧主题在上层，向点击位置圆形收缩露出新主题 */
  html.vt-collapse::view-transition-old(root) { z-index: 1; }
  html.vt-collapse::view-transition-new(root) { z-index: 0; }
  @media (prefers-reduced-motion: reduce) {
    ::view-transition-old(root),
    ::view-transition-new(root) {
      animation: none !important;
    }
  }
  /* 主题切换快照期间：临时禁用合成层属性与 CSS 过渡，减轻 GPU 负担，让 view-transition 的 clipPath 动画独占 GPU。
     多卡片页面（如 loadouts 移动端 30 个 transition-all 卡片 + backdrop-filter）在真实手机 GPU 有限时，
     并发 transition/合成层会导致 clipPath 动画丢帧不可见或 transition.ready reject（瞬间切换无动画）。
     vt-snapshot 由 toggleDark 在 startViewTransition 前添加、finished 后移除。
     注意：不禁用 filter（blur-3xl 光晕会变硬边圆圈）；* 不匹配伪元素，view-transition 伪元素不受影响。 */
  html.vt-snapshot * {
    -webkit-backdrop-filter: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    transition: none !important;
    animation: none !important;
  }

  /* ========================================
     UX/UI 统一优化层
     ======================================== */

  /* --- 统一弹窗组件 --- */
  .ux-modal-overlay {
    background: rgba(0, 0, 0, .55);
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: ux-modal-fade .18s ease-out;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
    padding-top: 1rem !important;
    padding-bottom: 1rem !important;
  }
  @keyframes ux-modal-fade { from { opacity: 0; } to { opacity: 1; } }

  .ux-modal-panel {
    animation: ux-modal-slide .22s cubic-bezier(.2, .8, .2, 1);
    margin: auto;
    flex-shrink: 0;
  }
  @keyframes ux-modal-slide {
    from { opacity: 0; transform: translateY(12px) scale(.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
  }


  /* --- 按钮统一交互态 --- */
  .ux-btn {
    transition: transform .1s ease, box-shadow .15s ease, background-color .15s ease, opacity .15s ease;
    -webkit-tap-highlight-color: transparent;
  }
  .ux-btn:active:not(:disabled) { transform: scale(.97); }
  .ux-btn:disabled { opacity: .55; cursor: not-allowed; }

  /* --- 表单字段统一聚焦态 --- */
  .ux-field {
    transition: border-color .15s ease, box-shadow .15s ease;
  }

  /* --- 无障碍：focus-visible 键盘焦点环 --- */
  :focus-visible {
    outline: 2px solid rgba(20, 184, 166, .6);
    outline-offset: 2px;
  }
  .ux-modal-overlay :focus-visible {
    outline-color: rgba(45, 212, 191, .7);
  }

  /* --- 尊重减少动画偏好 --- */
  @media (prefers-reduced-motion: reduce) {
    .ux-modal-overlay,
    .ux-modal-panel,
    .ux-btn,
    .ux-field { animation: none !important; transition: none !important; }
  }

  /* --- 移动端触摸目标最小 40px --- */
  @media (max-width: 767.98px) {
    .ux-touch { min-height: 40px; min-width: 40px; }
  }

  /* --- 弹窗内滚动区域优化 --- */
  .ux-modal-scroll {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  /* ========================================
     补齐 Tailwind 预编译缺失的任意值类
     ======================================== */
  /* z-index 任意值（方括号需转义） */
  .z-50{z-index:50}
  .z-\[80\]{z-index:80}
  .z-\[100\]{z-index:100}
  .z-\[110\]{z-index:110}
  .z-\[1100\]{z-index:1100}
  .z-\[9999\]{z-index:9999}
  /* max-height 任意值 */
  .max-h-\[60vh\]{max-height:60vh}
  .max-h-\[70vh\]{max-height:70vh}
  .max-h-\[80vh\]{max-height:80vh}
  .max-h-\[85vh\]{max-height:85vh}
  .max-h-\[90vh\]{max-height:90vh}
  .max-h-\[92vh\]{max-height:92vh}

  /* ========================================
     弹窗通用修复
     ======================================== */
  /* 弹窗内 sticky header 不跟随页面导航栏偏移（修复 ammo 等弹窗内容上半被遮挡） */
  [id*="Modal"] [class*="sticky"][class*="top-"]{
    top:0 !important;
  }
  /* 弹窗遮罩统一：居中时 panel 由 margin:auto 正常居中，无遮挡 */
  @media (max-width: 767.98px){
    .ux-modal-overlay,
    [id*="Modal"]{
      align-items:center !important;
    }
    .ux-modal-overlay .ux-modal-panel,
    [id*="Modal"] .ux-modal-panel{
      margin:auto !important;
    }
  }

  /* ========================================
     页面流畅度优化
     ======================================== */
  /* 列表容器布局隔离：更新列表时减少浏览器重排范围 */
  #fishGrid, #ammoGrid, #marketGrid, #weaponsGrid,
  #playerGrid, #communityGrid, #myLoadouts{
    contain: layout style;
  }
  /* 弹窗遮罩动画走 GPU 合成层，避免动画期间卡顿（panel 的 transform 动画不受影响） */
  .ux-modal-overlay{
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
  }
  /* 图片加载完成前不抖动布局 */
  img[loading="lazy"]{ background: rgba(148,163,184,.06); }