:root {
      /* Signify品牌色彩系统 */
      --signify-green: #00B140;
      --signify-green-light: rgba(0, 177, 64, 0.1);
      --signify-green-dark: #008A33;

      /* 功能色彩 */
      --warm-glow: #F59E0B;
      --warm-glow-light: rgba(245, 158, 11, 0.15);

      /* 中性色彩 - Apple风格 */
      --ink: #1D1D1F;
      --ink-secondary: #86868B;
      --ink-tertiary: #AEAEB2;
      --border: rgba(0, 0, 0, 0.08);
      --surface: #F5F5F7;
      --white: #FFFFFF;

      /* 暗置状态 */
      --grayed-out: #D1D1D6;
      --grayed-out-bg: #F5F5F7;

      /* 阴影系统 - Apple风格多层次 */
      --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
      --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
      --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
      --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16), 0 8px 20px rgba(0, 0, 0, 0.08);
      --shadow-glow: 0 0 30px rgba(245, 158, 11, 0.25), 0 0 60px rgba(245, 158, 11, 0.1);

      /* 字体系统 - SF Pro风格 */
      --font-display: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', sans-serif;
      --font-body: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Inter', sans-serif;
      --font-mono: 'SF Mono', 'JetBrains Mono', 'Fira Code', monospace;

      /* 间距系统 */
      --space-xs: 4px;
      --space-sm: 8px;
      --space-md: 16px;
      --space-lg: 24px;
      --space-xl: 32px;
      --space-2xl: 48px;

      /* 圆角系统 - Apple风格 */
      --radius-sm: 6px;
      --radius-md: 10px;
      --radius-lg: 14px;
      --radius-xl: 20px;
      --radius-full: 9999px;

      /* 动画系统 - Apple弹性动画 */
      --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
      --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
      --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
      --duration-fast: 150ms;
      --duration-normal: 250ms;
      --duration-slow: 400ms;

      /* 毛玻璃效果 */
      --backdrop-blur: blur(20px) saturate(180%);
      --backdrop-bg: rgba(255, 255, 255, 0.72);
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: var(--font-body);
      color: var(--ink);
      background-color: var(--white);
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    /* 导航栏 - Apple毛玻璃风格 */
    .navbar {
      background: var(--backdrop-bg);
      -webkit-backdrop-filter: var(--backdrop-blur);
      backdrop-filter: var(--backdrop-blur);
      border-bottom: 0.5px solid var(--border);
      padding: var(--space-sm) var(--space-lg);
      height: 52px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .nav-left {
      display: flex;
      align-items: center;
      gap: var(--space-md);
    }

    .nav-logo {
      font-family: var(--font-display);
      font-size: 18px;
      font-weight: 700;
      color: var(--signify-green);
      letter-spacing: -0.02em;
    }

    .nav-center {
      display: flex;
      gap: var(--space-sm);
    }

    .tab-btn {
      padding: 6px 14px;
      border: none;
      background-color: transparent;
      color: var(--ink-secondary);
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: all var(--duration-fast) var(--ease-smooth);
      font-family: var(--font-body);
      font-size: 13px;
      font-weight: 500;
      -webkit-font-smoothing: antialiased;
    }

    .tab-btn:hover {
      color: var(--ink);
      background-color: var(--surface);
    }

    .tab-btn:active {
      transform: scale(0.97);
    }

    .tab-btn.active {
      background-color: var(--ink);
      color: var(--white);
    }

    .tab-btn.active:hover {
      background-color: #333336;
    }

    .nav-right {
      display: flex;
      gap: var(--space-sm);
      align-items: center;
    }

    .icon-btn {
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      border: none;
      border-radius: var(--radius-md);
      cursor: pointer;
      color: var(--ink-secondary);
      transition: all var(--duration-fast) var(--ease-smooth);
      position: relative;
    }

    .icon-btn:hover {
      color: var(--ink);
      background-color: var(--surface);
    }

    .icon-btn:active {
      transform: scale(0.92);
      background-color: rgba(0, 0, 0, 0.06);
    }

    .icon-btn svg {
      width: 18px;
      height: 18px;
      stroke-width: 1.8;
    }

    .badge {
      position: absolute;
      top: -4px;
      right: -4px;
      background-color: var(--warm-glow);
      color: var(--white);
      border-radius: var(--radius-full);
      width: 18px;
      height: 18px;
      font-size: 10px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      font-family: var(--font-mono);
    }

    .view-btn {
      padding: var(--space-sm) var(--space-md);
      border: 1px solid var(--border);
      background-color: var(--white);
      cursor: pointer;
      font-size: 13px;
      font-weight: 500;
      color: var(--ink-secondary);
      transition: all 0.2s ease;
    }

    .view-btn:hover {
      border-color: var(--signify-green);
      color: var(--signify-green);
    }

    .view-btn.active {
      background-color: var(--signify-green);
      color: var(--white);
      border-color: var(--signify-green);
    }

    .select-btn {
      padding: var(--space-sm) var(--space-md);
      border: 1px solid var(--border);
      background-color: var(--white);
      cursor: pointer;
      font-size: 13px;
      font-weight: 500;
      color: var(--ink-secondary);
      transition: all 0.2s ease;
      border-radius: var(--radius-full);
    }

    .select-btn:hover {
      border-color: var(--signify-green);
      color: var(--signify-green);
    }

    /* 搜索栏 */
    .search-bar {
      padding: var(--space-md) var(--space-lg);
      background-color: var(--surface);
      border-bottom: 1px solid var(--border);
      display: flex;
      gap: var(--space-sm);
      animation: slideDown 0.2s ease;
    }

    @keyframes slideDown {
      from {
        opacity: 0;
        transform: translateY(-10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .search-bar.hidden {
      display: none;
    }

    .search-bar input {
      flex: 1;
      padding: var(--space-sm) var(--space-md);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      font-family: var(--font-body);
      font-size: 14px;
      color: var(--ink);
      background-color: var(--white);
      transition: border-color 0.2s ease;
    }

    .search-bar input:focus {
      outline: none;
      border-color: var(--signify-green);
      box-shadow: 0 0 0 3px var(--signify-green-light);
    }

    .search-bar input::placeholder {
      color: var(--ink-tertiary);
    }

    .search-confirm {
      padding: var(--space-sm) var(--space-md);
      background-color: var(--signify-green);
      color: var(--white);
      border: none;
      border-radius: var(--radius-md);
      cursor: pointer;
      font-family: var(--font-body);
      font-size: 14px;
      font-weight: 500;
      transition: background-color 0.2s ease;
    }

    .search-confirm:hover {
      background-color: var(--signify-green-dark);
    }

    .back-btn {
      background: none;
      border: none;
      font-size: 16px;
      cursor: pointer;
      color: var(--primary-color);
    }

    .category-name {
      font-size: 18px;
      font-weight: bold;
    }

    .page-title {
      font-size: 18px;
      font-weight: bold;
    }

    .card-container {
      padding: 20px;
      overflow: hidden;
    }

    .card-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
      gap: 16px;
      transition: transform 300ms ease;
      grid-auto-rows: min-content;
    }

    .card-grid.hidden {
      display: none;
    }

    /* 卡片样式 - Apple质感 + 签名光晕 */
    .card {
      background-color: var(--white);
      border-radius: var(--radius-xl);
      overflow: hidden;
      cursor: pointer;
      transition: all var(--duration-normal) var(--ease-out);
      position: relative;
      box-shadow: var(--shadow-sm);
    }

    .card::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: var(--radius-xl);
      opacity: 0;
      transition: opacity var(--duration-slow) var(--ease-out);
      z-index: 1;
      pointer-events: none;
      background: radial-gradient(ellipse at center bottom, var(--warm-glow) 0%, transparent 60%);
      mix-blend-mode: soft-light;
    }

    .card::after {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: var(--radius-xl);
      opacity: 0;
      transition: opacity var(--duration-normal) var(--ease-out);
      z-index: 2;
      pointer-events: none;
      box-shadow: inset 0 0 0 0.5px rgba(255, 255, 255, 0.1);
    }

    .card:hover {
      transform: scale(1.02) translateY(-2px);
      box-shadow: var(--shadow-glow), var(--shadow-lg);
    }

    .card:hover::before {
      opacity: 0.4;
    }

    .card:hover::after {
      opacity: 1;
    }

    .card:active {
      transform: scale(0.98);
      transition-duration: 80ms;
    }

    .card-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
      transition: transform var(--duration-slow) var(--ease-out);
    }

    .card:hover .card-image {
      transform: scale(1.06);
    }

    .card-content {
      position: relative;
      overflow: hidden;
    }

    .card-title {
      padding: var(--space-lg) var(--space-md) var(--space-md);
      background: linear-gradient(to top, rgba(0, 0, 0, 0.75) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
      color: var(--white);
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      font-family: var(--font-display);
      font-weight: 500;
      font-size: 14px;
      letter-spacing: -0.01em;
      -webkit-font-smoothing: antialiased;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .card-title-text {
      font-weight: 600;
    }

    .card-count {
      font-size: 12px;
      opacity: 0.8;
      font-weight: 400;
    }

    /* 筛选页面样式 - Apple风格 */
    .filter-bar {
      position: sticky;
      top: 52px;
      background: var(--backdrop-bg);
      -webkit-backdrop-filter: var(--backdrop-blur);
      backdrop-filter: var(--backdrop-blur);
      padding: var(--space-md) var(--space-lg);
      border-bottom: 0.5px solid var(--border);
      z-index: 99;
      display: flex;
      flex-direction: column;
      gap: var(--space-sm);
    }

    .filter-dimensions {
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
    }

    .filter-dimension {
      position: relative;
      display: flex;
      align-items: center;
      gap: 2px;
    }

    .filter-select {
      padding: 6px 12px;
      border: none;
      border-radius: var(--radius-full);
      background-color: var(--surface);
      cursor: pointer;
      min-width: 100px;
      display: flex;
      align-items: center;
      gap: var(--space-xs);
      font-size: 13px;
      font-family: var(--font-body);
      transition: all var(--duration-fast) var(--ease-smooth);
      -webkit-font-smoothing: antialiased;
    }

    .filter-select:hover {
      background-color: #E8E8ED;
    }

    .filter-select:active {
      transform: scale(0.97);
    }

    .filter-select .filter-name {
      color: var(--ink-secondary);
      font-weight: 400;
    }

    .filter-select .filter-value {
      color: var(--ink);
      font-weight: 500;
    }

    .filter-select.has-value {
      background-color: var(--ink);
      color: var(--white);
    }

    .filter-select.has-value .filter-name {
      color: rgba(255, 255, 255, 0.7);
    }

    .filter-select.has-value .filter-value {
      color: var(--white);
    }

    .filter-dropdown {
      position: absolute;
      top: calc(100% + 6px);
      left: 0;
      background: var(--backdrop-bg);
      -webkit-backdrop-filter: var(--backdrop-blur);
      backdrop-filter: var(--backdrop-blur);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-xl);
      z-index: 100;
      min-width: 240px;
      max-height: 340px;
      overflow-y: auto;
      display: none;
      padding: 6px;
      border: 0.5px solid rgba(0, 0, 0, 0.1);
    }

    .filter-dropdown.show {
      display: block;
      animation: dropdownAppear var(--duration-normal) var(--ease-spring);
    }

    @keyframes dropdownAppear {
      from {
        opacity: 0;
        transform: scale(0.95) translateY(-8px);
      }
      to {
        opacity: 1;
        transform: scale(1) translateY(0);
      }
    }

    .filter-option {
      padding: 8px 12px;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 10px;
      border-radius: var(--radius-md);
      font-size: 13px;
      color: var(--ink);
      transition: all var(--duration-fast) var(--ease-smooth);
      font-family: var(--font-body);
    }

    .filter-option:hover {
      background-color: var(--surface);
    }

    .filter-option:active {
      transform: scale(0.98);
    }

    .filter-option.selected {
      background-color: var(--signify-green-light);
      color: var(--signify-green);
      font-weight: 500;
    }

    .filter-option.selected::before {
      content: '';
      width: 16px;
      height: 16px;
      background-color: var(--signify-green);
      border-radius: var(--radius-full);
      display: flex;
      align-items: center;
      justify-content: center;
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6.5 11.5L3.5 8.5L4.5 7.5L6.5 9.5L11.5 4.5L12.5 5.5L6.5 11.5Z'/%3E%3C/svg%3E");
      background-size: 12px;
      background-position: center;
      background-repeat: no-repeat;
    }

    .filter-option.grayed-out {
      color: var(--grayed-out);
      cursor: not-allowed;
    }

    .filter-option.grayed-out:hover {
      background-color: transparent;
    }

    .unlock-btn {
      display: flex;
      align-items: center;
      gap: 4px;
      padding: 4px 8px;
      background: transparent;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      cursor: pointer;
      font-size: 12px;
      color: var(--ink-tertiary);
      transition: all var(--duration-fast) var(--ease-smooth);
      white-space: nowrap;
    }

    .unlock-btn:hover {
      color: var(--ink-secondary);
      background-color: var(--surface);
      border-color: var(--ink-tertiary);
    }

    .unlock-btn:active {
      transform: scale(0.95);
    }

    .unlock-btn.active {
      background-color: var(--signify-green-light);
      color: var(--signify-green);
      border-color: var(--signify-green);
    }

    .unlock-icon {
      font-size: 14px;
      line-height: 1;
    }

    .unlock-text {
      font-weight: 500;
    }

    .result-count {
      padding: var(--space-xs) 0;
      color: var(--ink-secondary);
      font-size: 12px;
      font-family: var(--font-body);
      letter-spacing: 0.01em;
    }

    .content-area {
      padding: var(--space-lg);
    }

    .list-view {
      display: none;
    }

    .list-view.show {
      display: block;
    }

    .list-item {
      display: flex;
      align-items: center;
      padding: var(--space-md) var(--space-lg);
      border-bottom: 0.5px solid var(--border);
      position: relative;
      transition: background-color var(--duration-fast) var(--ease-smooth);
    }

    .list-item:hover {
      background-color: var(--surface);
    }

    .list-item-image {
      width: 80px;
      height: 60px;
      object-fit: cover;
      margin-right: 15px;
    }

    .list-item-info {
      flex: 1;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .list-item-info > div {
      min-width: 120px;
    }

    .list-item-city,
    .list-item-project,
    .list-item-products,
    .list-item-scenario,
    .list-item-control {
      font-size: 14px;
    }

    .list-item-project {
      font-weight: bold;
    }

    .list-item-actions {
      display: flex;
      gap: 10px;
      margin-left: 15px;
    }

    .filter-bar {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .filter-dimensions {
      display: flex;
      gap: 15px;
      flex-wrap: wrap;
    }

    .filter-actions {
      display: flex;
      justify-content: flex-end;
      gap: var(--space-sm);
    }

    .reset-btn {
      padding: 4px 12px;
      background: transparent;
      border: 1px solid #FF3B30;
      border-radius: var(--radius-full);
      cursor: pointer;
      font-size: 12px;
      font-family: var(--font-body);
      font-weight: 500;
      color: #FF3B30;
      transition: all var(--duration-fast) var(--ease-smooth);
      margin-left: var(--space-sm);
    }

    .reset-btn:hover {
      background-color: #FF3B30;
      color: white;
    }

    .reset-btn:active {
      transform: scale(0.97);
    }

    .action-btn {
      padding: 6px 12px;
      background-color: var(--primary-color);
      color: white;
      border: none;
      border-radius: var(--border-radius);
      cursor: pointer;
      font-size: 12px;
    }

    .card,
    .list-item {
      position: relative;
    }

    .select-checkbox {
      position: absolute;
      top: 10px;
      left: 10px;
      width: 22px;
      height: 22px;
      background-color: rgba(255, 255, 255, 0.9);
      border: 2px solid var(--border);
      border-radius: 50%;
      cursor: pointer;
      z-index: 10;
      opacity: 0;
      transition: all 0.2s ease;
    }

    .select-mode .select-checkbox {
      opacity: 1;
    }

    .select-checkbox.checked {
      background-color: var(--signify-green);
      border-color: var(--signify-green);
    }

    .select-checkbox.checked::after {
      content: '✓';
      color: white;
      font-size: 14px;
      font-weight: bold;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100%;
    }

    .select-all-btn {
      padding: 8px 16px;
      background-color: transparent;
      color: var(--signify-green);
      border: 1px solid var(--signify-green);
      border-radius: var(--radius-full);
      cursor: pointer;
      font-size: 13px;
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
    }

    .select-all-btn:hover {
      background-color: var(--signify-green);
      color: white;
    }

    .select-all-btn.active {
      background-color: var(--signify-green);
      color: white;
    }

    .select-all-icon {
      font-size: 16px;
    }

    .add-selected-btn {
      padding: 8px 16px;
      background-color: var(--signify-green);
      color: white;
      border: none;
      border-radius: var(--radius-full);
      cursor: pointer;
      font-size: 13px;
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
    }

    .add-selected-btn:hover {
      background-color: var(--signify-green-dark);
    }

    .filter-actions {
      display: flex;
      gap: 8px;
      margin-top: 8px;
    }

    .new-collection-btn {
      padding: 6px 12px;
      background-color: transparent;
      color: var(--signify-green);
      border: 1px solid var(--signify-green);
      border-radius: var(--radius-full);
      cursor: pointer;
      font-size: 12px;
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 4px;
      transition: all 0.2s ease;
    }

    .new-collection-btn:hover {
      background-color: var(--signify-green);
      color: white;
    }

    .export-pdf-btn {
      padding: 6px 12px;
      background-color: var(--signify-green);
      color: white;
      border: none;
      border-radius: var(--radius-full);
      cursor: pointer;
      font-size: 12px;
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 4px;
      transition: all 0.2s ease;
    }

    .export-pdf-btn:hover {
      background-color: var(--signify-green-dark);
    }

    .collection-select-btn {
      padding: 6px 12px;
      background-color: transparent;
      color: var(--signify-green);
      border: 1px solid var(--signify-green);
      border-radius: var(--radius-full);
      cursor: pointer;
      font-size: 12px;
      font-weight: 500;
      transition: all 0.2s ease;
    }

    .collection-select-btn:hover {
      background-color: var(--signify-green);
      color: white;
    }

    .collection-select-btn.active {
      background-color: var(--signify-green);
      color: white;
    }

    /* 清单块样式 */
    .collections-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
      gap: 20px;
      padding: 20px;
    }

    .collection-block {
      background-color: var(--white);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      cursor: pointer;
      transition: all 0.3s ease;
      border: 1px solid var(--border);
    }

    .collection-block:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
    }

    .collection-block-header {
      padding: 20px;
      background: linear-gradient(135deg, var(--signify-green), var(--signify-green-dark));
      color: white;
    }

    .collection-block-name {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 8px;
    }

    .collection-block-count {
      font-size: 14px;
      opacity: 0.9;
    }

    .collection-block-preview {
      padding: 15px;
      display: flex;
      gap: 10px;
      overflow-x: auto;
    }

    .collection-block-preview img {
      width: 60px;
      height: 60px;
      object-fit: cover;
      border-radius: var(--radius-md);
      flex-shrink: 0;
    }

    .collection-block-actions {
      padding: 15px;
      display: flex;
      gap: 10px;
      border-top: 1px solid var(--border);
    }

    .collection-block-action {
      flex: 1;
      padding: 8px;
      border: none;
      border-radius: var(--radius-md);
      cursor: pointer;
      font-size: 12px;
      font-weight: 500;
      transition: all 0.2s ease;
    }

    .collection-block-action.primary {
      background-color: var(--signify-green);
      color: white;
    }

    .collection-block-action.primary:hover {
      background-color: var(--signify-green-dark);
    }

    .collection-block-action.secondary {
      background-color: transparent;
      color: var(--signify-green);
      border: 1px solid var(--signify-green);
    }

    .collection-block-action.secondary:hover {
      background-color: var(--signify-green-light);
    }

    .collection-block-action.danger {
      background-color: transparent;
      color: #FF3B30;
      border: 1px solid #FF3B30;
    }

    .collection-block-action.danger:hover {
      background-color: rgba(255, 59, 48, 0.1);
    }

    /* 清单详情页样式 */
    .collection-detail-header {
      display: flex;
      align-items: center;
      gap: 15px;
      padding: 15px 20px;
      border-bottom: 1px solid var(--border);
    }

    .back-to-collections-btn {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 8px 12px;
      background: transparent;
      border: none;
      cursor: pointer;
      font-size: 14px;
      color: var(--signify-green);
      transition: all 0.2s ease;
    }

    .back-to-collections-btn:hover {
      background-color: var(--signify-green-light);
      border-radius: var(--radius-md);
    }

    .collection-detail-title {
      flex: 1;
      font-size: 18px;
      font-weight: 600;
    }

    .rename-collection-btn {
      padding: 6px 12px;
      background: transparent;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      cursor: pointer;
      font-size: 12px;
      color: var(--ink-secondary);
      transition: all 0.2s ease;
    }

    .rename-collection-btn:hover {
      border-color: var(--signify-green);
      color: var(--signify-green);
    }

    /* 底部操作栏 - Apple风格 */
    .bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: var(--backdrop-bg);
      -webkit-backdrop-filter: var(--backdrop-blur);
      backdrop-filter: var(--backdrop-blur);
      border-top: 0.5px solid var(--border);
      padding: var(--space-md) var(--space-lg);
      display: none;
      justify-content: space-between;
      align-items: center;
      z-index: 99;
    }

    .bottom-bar.show {
      display: flex;
      animation: slideUp var(--duration-normal) var(--ease-out);
    }

    @keyframes slideUp {
      from {
        transform: translateY(100%);
      }
      to {
        transform: translateY(0);
      }
    }

    .selected-count {
      font-size: 14px;
      font-weight: 500;
      color: var(--ink);
    }

    .bottom-actions {
      display: flex;
      gap: var(--space-sm);
    }

    .add-to-collection-btn,
    .export-images-btn {
      padding: 8px 20px;
      border: none;
      border-radius: var(--radius-full);
      cursor: pointer;
      font-size: 14px;
      font-family: var(--font-body);
      font-weight: 500;
      transition: all var(--duration-fast) var(--ease-smooth);
    }

    .add-to-collection-btn {
      background-color: var(--signify-green);
      color: var(--white);
    }

    .add-to-collection-btn:hover {
      background-color: var(--signify-green-dark);
    }

    .add-to-collection-btn:active {
      transform: scale(0.97);
    }

    .export-images-btn {
      background-color: transparent;
      color: var(--signify-green);
      border: 1px solid var(--signify-green);
    }

    .export-images-btn:hover {
      background-color: var(--signify-green-light);
    }

    .export-images-btn:active {
      transform: scale(0.97);
    }

    /* 选择清单弹窗样式 */
    .collection-list {
      max-height: 300px;
      overflow-y: auto;
    }

    .collection-item {
      padding: 12px;
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      margin-bottom: 8px;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .collection-item:hover {
      background-color: var(--surface);
      border-color: var(--signify-green);
    }

    .collection-item.selected {
      background-color: var(--signify-green-light);
      border-color: var(--signify-green);
    }

    .collection-item-name {
      font-weight: 500;
      margin-bottom: 4px;
    }

    .collection-item-count {
      font-size: 12px;
      color: var(--ink-secondary);
    }

    /* 详情弹窗样式 - Apple风格 */
    .modal-overlay {
      position: fixed;
      inset: 0;
      background-color: rgba(0, 0, 0, 0.4);
      -webkit-backdrop-filter: blur(4px);
      backdrop-filter: blur(4px);
      z-index: 1000;
      display: none;
      align-items: center;
      justify-content: center;
      padding: var(--space-lg);
    }

    .modal-overlay.show {
      display: flex;
      animation: overlayAppear var(--duration-normal) var(--ease-out);
    }

    @keyframes overlayAppear {
      from {
        opacity: 0;
      }
      to {
        opacity: 1;
      }
    }

    .modal {
      background-color: var(--white);
      border-radius: var(--radius-xl);
      box-shadow: var(--shadow-xl);
      width: 85%;
      max-width: 920px;
      max-height: 88vh;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      animation: modalAppear var(--duration-slow) var(--ease-spring);
    }

    @keyframes modalAppear {
      from {
        opacity: 0;
        transform: scale(0.92) translateY(20px);
      }
      to {
        opacity: 1;
        transform: scale(1) translateY(0);
      }
    }

    .modal-header {
      padding: var(--space-md) var(--space-lg);
      display: flex;
      justify-content: flex-end;
      position: absolute;
      top: 0;
      right: 0;
      z-index: 10;
    }

    .close-btn {
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(0, 0, 0, 0.5);
      -webkit-backdrop-filter: blur(10px);
      backdrop-filter: blur(10px);
      border: none;
      border-radius: var(--radius-full);
      cursor: pointer;
      color: var(--white);
      transition: all var(--duration-fast) var(--ease-smooth);
    }

    .close-btn:hover {
      background: rgba(0, 0, 0, 0.7);
      transform: scale(1.05);
    }

    .close-btn:active {
      transform: scale(0.95);
    }

    .close-btn svg {
      width: 16px;
      height: 16px;
    }

    .modal-body {
      flex: 1;
      overflow-y: auto;
    }

    .image-container {
      position: relative;
      max-height: 65vh;
      overflow: hidden;
      background-color: #000;
      touch-action: pan-y;
    }

    .modal-image {
      width: 100%;
      max-height: 65vh;
      object-fit: contain;
      transition: transform 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.3s ease;
      will-change: transform, opacity;
      cursor: zoom-in;
    }

    .modal-image.swipe-left {
      animation: swipeLeft 0.3s ease forwards;
    }

    .modal-image.swipe-right {
      animation: swipeRight 0.3s ease forwards;
    }

    @keyframes swipeLeft {
      0% { transform: translateX(0); opacity: 1; }
      100% { transform: translateX(-100%); opacity: 0; }
    }

    @keyframes swipeRight {
      0% { transform: translateX(0); opacity: 1; }
      100% { transform: translateX(100%); opacity: 0; }
    }

    .modal-image.slide-in-left {
      animation: slideInLeft 0.3s ease forwards;
    }

    .modal-image.slide-in-right {
      animation: slideInRight 0.3s ease forwards;
    }

    @keyframes slideInLeft {
      0% { transform: translateX(100%); opacity: 0; }
      100% { transform: translateX(0); opacity: 1; }
    }

    @keyframes slideInRight {
      0% { transform: translateX(-100%); opacity: 0; }
      100% { transform: translateX(0); opacity: 1; }
    }

    /* 图片放大展示 */
    .fullscreen-overlay {
      position: fixed;
      inset: 0;
      background-color: rgba(0, 0, 0, 0.95);
      z-index: 2000;
      display: none;
      align-items: center;
      justify-content: center;
      flex-direction: column;
    }

    .fullscreen-overlay.show {
      display: flex;
      animation: fadeIn 0.2s ease;
    }

    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    .fullscreen-image-container {
      position: relative;
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      overflow: hidden;
    }

    .fullscreen-image {
      max-width: 95%;
      max-height: 90vh;
      object-fit: contain;
      transition: transform 0.3s ease;
      user-select: none;
      -webkit-user-drag: none;
    }

    .fullscreen-close {
      position: absolute;
      top: 20px;
      right: 20px;
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.2);
      backdrop-filter: blur(10px);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      color: white;
      font-size: 24px;
      z-index: 2001;
      transition: all 0.2s ease;
    }

    .fullscreen-close:hover {
      background: rgba(255, 255, 255, 0.3);
      transform: scale(1.05);
    }

    .fullscreen-nav {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(10px);
      border: none;
      border-radius: 50%;
      cursor: pointer;
      color: white;
      font-size: 28px;
      z-index: 2001;
      transition: all 0.2s ease;
      opacity: 0;
    }

    .fullscreen-image-container:hover .fullscreen-nav {
      opacity: 1;
    }

    .fullscreen-nav:hover {
      background: rgba(255, 255, 255, 0.25);
      transform: translateY(-50%) scale(1.05);
    }

    .fullscreen-nav.prev {
      left: 20px;
    }

    .fullscreen-nav.next {
      right: 20px;
    }

    .fullscreen-counter {
      position: absolute;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%);
      background: rgba(0, 0, 0, 0.6);
      backdrop-filter: blur(10px);
      color: white;
      padding: 8px 20px;
      border-radius: 20px;
      font-size: 14px;
      font-family: var(--font-mono);
      z-index: 2001;
    }

    .image-nav {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.8);
      -webkit-backdrop-filter: blur(10px);
      backdrop-filter: blur(10px);
      color: var(--ink);
      border: none;
      border-radius: var(--radius-full);
      cursor: pointer;
      transition: all var(--duration-fast) var(--ease-smooth);
      opacity: 0;
    }

    .image-container:hover .image-nav {
      opacity: 1;
    }

    .image-nav:hover {
      background: rgba(255, 255, 255, 0.95);
      transform: translateY(-50%) scale(1.05);
    }

    .image-nav:active {
      transform: translateY(-50%) scale(0.95);
    }

    .image-nav.prev {
      left: var(--space-md);
    }

    .image-nav.next {
      right: var(--space-md);
    }

    .image-nav svg {
      width: 18px;
      height: 18px;
    }

    .image-counter {
      position: absolute;
      bottom: var(--space-md);
      left: 50%;
      transform: translateX(-50%);
      background: rgba(0, 0, 0, 0.6);
      -webkit-backdrop-filter: blur(10px);
      backdrop-filter: blur(10px);
      color: var(--white);
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 12px;
      font-family: var(--font-mono);
      font-weight: 500;
    }

    .case-info {
      padding: var(--space-lg);
    }

    .info-row {
      margin-bottom: var(--space-md);
      display: flex;
      align-items: baseline;
    }

    .info-label {
      color: var(--ink-secondary);
      font-size: 12px;
      font-weight: 500;
      min-width: 80px;
      text-transform: uppercase;
      letter-spacing: 0.05em;
    }

    .info-value {
      flex: 1;
      color: var(--ink);
      font-size: 14px;
      font-weight: 400;
    }

    .modal-actions {
      padding: var(--space-md) var(--space-lg);
      display: flex;
      gap: var(--space-sm);
      justify-content: flex-end;
      border-top: 0.5px solid var(--border);
    }

    .modal-action-btn {
      padding: 8px 20px;
      background-color: var(--signify-green);
      color: var(--white);
      border: none;
      border-radius: var(--radius-full);
      cursor: pointer;
      font-size: 14px;
      font-family: var(--font-body);
      font-weight: 500;
      transition: all var(--duration-fast) var(--ease-smooth);
    }

    .modal-action-btn:hover {
      background-color: var(--signify-green-dark);
    }

    .modal-action-btn:active {
      transform: scale(0.97);
    }

    .modal-action-btn.secondary {
      background-color: transparent;
      color: var(--signify-green);
      border: 1px solid var(--signify-green);
    }

    .modal-action-btn.secondary:hover {
      background-color: var(--signify-green-light);
    }

    .modal-action-btn.disabled {
      background-color: var(--grayed-out);
      cursor: not-allowed;
    }

    .modal-action-btn.disabled:hover {
      background-color: var(--grayed-out);
    }

    /* 清单页面样式 */
    .empty-message {
      text-align: center;
      padding: 60px 20px;
      color: var(--secondary-text-color);
    }

    .empty-message p {
      margin-bottom: 20px;
      font-size: 18px;
    }

    .back-to-home {
      padding: 10px 20px;
      background-color: var(--primary-color);
      color: white;
      border: none;
      border-radius: var(--border-radius);
      cursor: pointer;
      font-size: 16px;
    }

    .remove-btn {
      position: absolute;
      top: 10px;
      right: 10px;
      background-color: rgba(255, 0, 0, 0.7);
      color: white;
      border: none;
      border-radius: 50%;
      width: 24px;
      height: 24px;
      cursor: pointer;
      font-size: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .clear-btn {
      background: none;
      border: none;
      font-size: 16px;
      cursor: pointer;
    }

    /* 响应式布局 - 最多4列，最少2列 */
    @media (min-width: 1200px) {
      .card-grid {
        grid-template-columns: repeat(4, 1fr);
      }
    }

    @media (min-width: 900px) and (max-width: 1199px) {
      .card-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    @media (max-width: 899px) {
      .card-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

      .navbar {
        padding: 8px 12px;
      }

      .nav-logo {
        font-size: 16px;
      }

      .tab-btn {
        padding: 6px 12px;
        font-size: 14px;
      }

      .search-btn,
      .collection-btn,
      .select-btn {
        font-size: 14px;
      }

      .view-btn {
        padding: 4px 8px;
        font-size: 12px;
      }

      .filter-bar {
        padding: 10px 12px;
      }

      .filter-dimensions {
        gap: 10px;
      }

      .filter-select {
        min-width: 120px;
        padding: 6px 10px;
        font-size: 14px;
      }

      .unlock-btn {
        font-size: 12px;
      }

      .modal {
        width: 100%;
        height: 100%;
        max-height: 100%;
        border-radius: 0;
      }

      .modal-image {
        max-height: 50vh;
      }

      .case-info {
        padding: 15px;
      }

      .info-row {
        flex-direction: column;
        margin-bottom: 15px;
      }

      .info-label {
        min-width: auto;
        margin-bottom: 5px;
      }

      .list-item-info {
        font-size: 14px;
      }

      .list-item-actions {
        flex-direction: column;
        gap: 5px;
      }

      .action-btn {
        padding: 4px 8px;
        font-size: 11px;
      }
    }