/* 配置面板标签页样式 - 与文件信息区域配色一致 */
   .config-panel {
    background: rgba(30, 30, 30, 0.8);
    border-radius: 12px;
    border: 1px solid #333;
    overflow: hidden;
    margin-bottom: 1.5rem;
    width: 100%;
  }

  .config-tabs {
    display: flex;
    background: rgba(20, 20, 20, 0.9);
    border-bottom: 1px solid #333;
  }

  .config-tab {
    flex: 1;
    padding: 0.8rem 1rem;
    background: none;
    border: none;
    color: #999;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border-bottom: 2px solid transparent;
  }

  .config-tab:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #ccc;
  }

  .config-tab.active {
    color: #d6fb72;
    border-bottom-color: #d6fb72;
    background: rgba(214, 251, 114, 0.1);
  }

  .config-tab-content {
    display: none;
    padding: 1.2rem;
  }

  .config-tab-content.active {
    display: block;
  }

  /* 字幕样式配置样式 - 紧凑布局 */
  .subtitle-style-section h4,
  .translate-settings-section h4 {
    color: #d6fb72;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
  }

  .style-group {
    margin-bottom: 0.7rem;
    padding-bottom: 0.7rem;
    border-bottom: 1px solid #333;
  }

  .style-group:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
  }

  .style-label {
    display: block;
    color: #999;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.6rem;
  }

  .style-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    align-items: start;
  }

  .style-control {
    display: grid;
    grid-template-columns: 80px 1fr;
    align-items: center;
    gap: 0.6rem;
    min-height: 24px;
  }

  .style-control label {
    color: #ccc;
    font-size: 0.85rem;
    font-weight: 600;
    text-align: right;
    white-space: nowrap;
  }

  .style-control select,
  .style-control input[type="number"],
  .style-control input[type="color"] {
    padding: 0.5rem 0.8rem;
    width: 180px;
    background: rgba(40, 40, 40, 0.8);
    border: 1px solid #444;
    border-radius: 6px;
    color: #ccc;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    box-sizing: border-box;
  }

  .style-control select:focus,
  .style-control input[type="number"]:focus,
  .style-control input[type="color"]:focus {
    outline: none;
    border-color: #d6fb72;
    box-shadow: 0 0 0 2px rgba(214, 251, 114, 0.2);
  }

  .style-control input[type="number"] {
    min-width: 120px;
  }

  .style-control input[type="color"] {
    width: 60px;
    height: 32px;
    padding: 3px;
    cursor: pointer;
  }

  .style-control input[type="range"] {
    width: 100%;
    height: 4px;
    background: #444;
    border-radius: 2px;
    outline: none;
    -webkit-appearance: none;
    grid-column: 2;
  }

  .style-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: #d6fb72;
    border-radius: 50%;
    cursor: pointer;
  }

  /* 滑块控件的特殊布局 - 确保滑块和数值显示在同一行 */
  .style-control:has(input[type="range"]) {
    grid-template-columns: 80px 1fr auto;
    align-items: center;
  }

  .style-control:has(input[type="range"]) #opacityValue {
    min-width: 30px;
    text-align: center;
    color: #ccc;
    font-size: 0.8rem;
    font-weight: 500;
    margin-left: 0.5rem;
  }

  .preview-btn {
    background: linear-gradient(135deg, #d6fb72 0%, #76f9b1 100%);
    color: #000;
    border: none;
    padding: 0.8rem ;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: block;
    width: 100%;
    max-width: 180px;
    margin: 1.5rem auto 0;
    font-size: 0.9rem;
  }

  .preview-btn:hover {
    background: linear-gradient(135deg, #c4f05a 0%, #65e89a 100%);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(214, 251, 114, 0.3);
  }

  /* 翻译设置样式 - 紧凑布局 */
  .translate-settings-section .setting-item {
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(40, 40, 40, 0.8);
    border-radius: 8px;
    border: 1px solid #444;
  }

  .translate-settings-section .setting-item:last-child {
    margin-bottom: 0;
  }

  .translate-settings-section .setting-item label {
    color: #ccc;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
  }
        @keyframes spin {
          0% { transform: rotate(0deg); }
          100% { transform: rotate(360deg); }
        }
  .translate-settings-section .setting-item select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: rgba(50, 50, 50, 0.8);
    border: 1px solid #444;
    border-radius: 6px;
    color: #ccc;
    font-size: 0.9rem;
  }

  .translate-settings-section .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: #ccc;
    cursor: pointer;
  }

  .translate-settings-section .checkbox-label input {
    margin: 0;
  }

  .translate-settings-section .checkmark {
    width: 16px;
    height: 16px;
    background: rgba(60, 60, 60, 0.8);
    border: 1px solid #666;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: #000;
  }

  .translate-settings-section .checkbox-label input:checked + .checkmark {
    background: #d6fb72;
    border-color: #d6fb72;
  }

  /* 新增翻译设置样式 - 与页面风格一致 */
  .setting-group {
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(40, 40, 40, 0.8);
    border-radius: 8px;
    border: 1px solid #444;
    transition: all 0.3s ease;
  }

  .setting-group:hover {
    border-color: #666;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  }

  .setting-group h4 {
    color: #d6fb72;
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .setting-group h4::before {
    content: "•";
    color: #d6fb72;
    font-size: 1.2rem;
  }

  /* 单选框组样式 */
  .radio-group {
    display: flex;
    justify-content: space-between;
    gap: 0.8rem;
  }

  .radio-label {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(50, 50, 50, 0.6);
    border-radius: 6px;
    border: 1px solid #555;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    color: #ccc;
  }

  .radio-label:hover {
    background: rgba(60, 60, 60, 0.8);
    border-color: #666;
    transform: translateY(-1px);
  }

  .radio-label input[type="radio"] {
    display: none;
  }

  .radio-custom {
    width: 18px;
    height: 18px;
    border: 2px solid #666;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
  }

  .radio-custom::after {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #d6fb72;
    opacity: 0;
    transform: scale(0);
    transition: all 0.2s ease;
  }

  .radio-label input[type="radio"]:checked + .radio-custom {
    border-color: #d6fb72;
  }

  .radio-label input[type="radio"]:checked + .radio-custom::after {
    opacity: 1;
    transform: scale(1);
  }

  .radio-label input[type="radio"]:checked ~ span {
    color: #d6fb72;
    font-weight: 600;
  }

  /* 语言设置网格布局 */
  .language-settings-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .language-setting {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .language-setting label {
    color: #ccc;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .language-setting label::before {
    content: "🌐";
    font-size: 0.9rem;
  }

  .language-setting select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: rgba(50, 50, 50, 0.8);
    border: 1px solid #555;
    border-radius: 6px;
    color: #ccc;
    font-size: 0.85rem;
    transition: all 0.2s ease;
  }

  .language-setting select:focus {
    outline: none;
    border-color: #d6fb72;
    box-shadow: 0 0 0 2px rgba(214, 251, 114, 0.2);
    background: rgba(60, 60, 60, 0.9);
  }

  .language-setting select option {
    background: #2a2a2a;
    color: #ccc;
    padding: 0.5rem;
  }

  /* 高级设置复选框组 */
  .checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
  }

  .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(50, 50, 50, 0.6);
    border-radius: 6px;
    border: 1px solid #555;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    color: #ccc;
  }

  .checkbox-label:hover {
    background: rgba(60, 60, 60, 0.8);
    border-color: #666;
  }

  .checkbox-label input[type="checkbox"] {
    display: none;
  }

  .checkmark {
    width: 18px;
    height: 18px;
    background: rgba(60, 60, 60, 0.8);
    border: 2px solid #666;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    position: relative;
  }

  .checkmark::after {
    content: "✓";
    color: #000;
    font-size: 0.8rem;
    font-weight: bold;
    opacity: 0;
    transform: scale(0);
    transition: all 0.2s ease;
  }

  .checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #d6fb72;
    border-color: #d6fb72;
  }

  .checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    opacity: 1;
    transform: scale(1);
  }

  .checkbox-label input[type="checkbox"]:checked ~ span {
    color: #d6fb72;
    font-weight: 600;
  }

  /* 响应式设计 */
  @media (max-width: 768px) {
    .language-settings-grid {
      grid-template-columns: 1fr;
      gap: 0.8rem;
    }
    
    .radio-group,
    .checkbox-group {
      gap: 0.6rem;
    }
    
    .radio-label,
    .checkbox-label {
      padding: 0.6rem;
      font-size: 0.8rem;
    }
    
    .setting-group {
      padding: 0.8rem;
      margin-bottom: 1rem;
    }
    
    .setting-group h4 {
      font-size: 0.9rem;
      margin-bottom: 0.8rem;
    }
  }

  /* 专业领域选择器特殊样式 */
  .setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
  }

  .setting-item label {
    color: #ccc;
    font-size: 0.85rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }

  .setting-item label::before {
    content: "🎯";
    font-size: 0.9rem;
  }

  .setting-item select {
    width: 100%;
    padding: 0.6rem 0.8rem;
    background: rgba(50, 50, 50, 0.8);
    border: 1px solid #555;
    border-radius: 6px;
    color: #ccc;
    font-size: 0.85rem;
    transition: all 0.2s ease;
  }

  .setting-item select:focus {
    outline: none;
    border-color: #d6fb72;
    box-shadow: 0 0 0 2px rgba(214, 251, 114, 0.2);
  }

  .setting-item select option {
    background: #2a2a2a;
    color: #ccc;
    padding: 0.5rem;
  }

  /* 翻译设置区域的特殊图标 */
  #translate-settings-tab .setting-group h4::before {
    content: "";
    width: 4px;
    height: 16px;
    background: #d6fb72;
    border-radius: 2px;
  }

  /* 悬停效果增强 */
  .radio-label:active,
  .checkbox-label:active {
    transform: translateY(0);
    transition: transform 0.1s ease;
  }

  .modern-progress-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    backdrop-filter: blur(5px);
  }

  .close-progress-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
  }

  .close-progress-btn:hover {
    background: rgba(255, 255, 255, 0.1);
  }

  .close-progress-btn svg {
    width: 20px;
    height: 20px;
  }
  .modern-progress-container {
    background: #2c3e50;
    padding: 0px;
    border-radius: 16px;
    width: 100%;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    color: white;
  }
  .modern-progress-steps {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    position: relative;
  }
  .modern-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex: 1;
    max-width: 200px;
    padding: 10px;
  }
  .modern-step-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: #34495e;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 10px;
    margin-top: 10%;
    position: relative;
    transition: all 0.3s ease;
  }
  .modern-step-number {
    font-size: 18px;
    font-weight: bold;
    color: #ecf0f1;
  }
  .modern-step-check {
    width: 24px;
    height: 24px;
    fill: white;
    display: none;
  }
  .modern-step-text {
    font-size: 14px;
    color: #bdc3c7;
    text-align: center;
    margin-bottom: 15px;
  }
  .modern-step-line {
    position: absolute;
    top: 75px;
    left: 150px;
    width: calc(100% - 50px);
    height: 2px;
    background: #6fafee;
  }
  .modern-step:last-child .modern-step-line {
    display: none;
  }
  .modern-step.active .modern-step-circle {
    background: #3498db;
    box-shadow: 0 0 0 5px rgba(52, 152, 219, 0.3);
  }
  .modern-step.completed .modern-step-circle {
    background: #2ecc71;
  }
  .modern-step.completed .modern-step-number {
    display: block;
  }
  .modern-step.completed .modern-step-check {
    display: block;
  }
  .modern-step.completed .modern-step-text {
    color: #2ecc71;
  }
  .modern-step.completed .modern-step-line {
    background: #2ecc71;
  }
  .modern-progress-content {
    border-radius: 12px;
    padding: 0px;
  }

  /* 预览字幕样式 */
  .preview-subtitle {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    z-index: 1000;
    padding: 8px 12px;
    border-radius: 4px;
    font-family: Arial, sans-serif;
    font-size: 1.2vh;
    color: #FFFFFF;
    background-color: rgba(0, 0, 0, 0.8);
    text-align: center;
    line-height: 1.4;
    word-wrap: break-word;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  }

  .preview-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(214, 251, 114, 0.1);
    border: 1px solid rgba(214, 251, 114, 0.3);
    border-radius: 4px;
    color: #d6fb72;
    font-size: 0.8rem;
    margin-top: 8px;
  }

  .status-indicator {
    width: 8px;
    height: 8px;
    background: #d6fb72;
    border-radius: 50%;
    animation: pulse 1.5s infinite;
  }

  @keyframes pulse {
    0% {
      opacity: 1;
      transform: scale(1);
    }
    50% {
      opacity: 0.5;
      transform: scale(1.1);
    }
    100% {
      opacity: 1;
      transform: scale(1);
    }
  }
  .modern-subtitle-preview {
    max-height: 1000px;
    overflow-y: auto;
    margin-bottom: 10px;
    padding: 0px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: white;
  }
  .modern-subtitle-preview textarea {
    width: 100%;
    min-height: 25px;
    padding: 10px;
    border-radius: 6px;
    border: none;
    background: rgba(255, 255, 255, 0.1);

    color: white;
    margin-top: 10px;
  }
  .modern-action-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
  }
  .modern-btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
  }
  .modern-confirm-btn {
    background: #3498db;
    color: white;
  }
  .modern-confirm-btn:hover {
    background: #2980b9;
    transform: translateY(-2px);
  }
  .modern-confirm-btn svg {
    width: 18px;
    height: 18px;
    fill: white;
  }
  .modern-export-btn {
    background: #2ecc71;
    color: white;
  }
  .modern-export-btn:hover {
    background: #27ae60;
    transform: translateY(-2px);
  }
  .modern-export-btn svg {
    width: 18px;
    height: 18px;
    fill: white;
  }
  @keyframes pulse {
    0% {
      transform: scale(1);
    }
    50% {
      transform: scale(1.05);
    }
    100% {
      transform: scale(1);
    }
  }
  .modern-step.active .modern-step-circle {
    animation: pulse 1.5s infinite;
  }

  /* 专业字幕编辑器样式 */
  .subtitle-editor-container {
    width: 100%;
    background: #1e293b;
    border-radius: 12px;
    border: 1px solid #1e293b;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  }

  .subtitle-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-bottom: 0;
    font-family: "SF Mono", "Monaco", "Consolas", "Ubuntu Mono", monospace;
    font-size: 13px;
  }

  .subtitle-table thead {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    position: sticky;
    top: 0;
    z-index: 10;
  }

  .subtitle-table th {
    color: white;
    font-weight: 600;
    padding: 12px 8px;
    text-align: center;
    border: none;
    font-size: 16px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
  }

  .subtitle-table th:first-child {
    border-radius: 12px 0 0 0;
  }

  .subtitle-table th:last-child {
    border-radius: 0 12px 0 0;
  }

  .subtitle-table tbody tr {
    background: #0f172a;
    transition: all 0.2s ease;
    border-bottom: 1px solid #1e293b;
  }

  .subtitle-table tbody tr:hover {
    background: #1e293b;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  }

  .subtitle-table tbody tr:nth-child(even) {
    background: #1a2438;
  }

  .subtitle-table tbody tr:nth-child(even):hover {
    background: #24324f;
  }

  .subtitle-table td {
    padding: 12px 8px;
    border: none;
    color: #e2e8f0;
  }

  .time-input-group {
    display: flex;
    gap: 8px;
    align-items: center;
    justify-content: center;
  }

  .time-input {
    width: 120px;
    padding: 6px;

    background: #1e293b;
    border: 1px solid #1e293b;
    border-radius: 4px;
    color: #e2e8f0;
    font-family: "SF Mono", "Monaco", "Consolas", "Ubuntu Mono", monospace;
    font-size: 14px;
    text-align: center;
    transition: all 0.2s ease;
  }

  .time-input:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
    background: #0f172a;
  }

  .time-input::placeholder {
    color: #64748b;
  }

  .subtitle-text {
    width: 100%;
    min-height: 20px;
    max-height: 50px;
    padding: 2px;
    background: #1e293b;
    border: 1px solid #1e293b;
    border-radius: 4px;
    color: #e2e8f0;
    font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont,
      sans-serif;
    font-size: 13px;
    line-height: 1;
    resize: vertical;
    transition: all 0.2s ease;
  }

  .subtitle-text:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
    background: #0f172a;
  }

  .subtitle-text.original-text {
    border-left: 3px solid #3b82f6;
  }

  .subtitle-text.translated-text {
    border-left: 3px solid #10b981;
  }

  .action-buttons {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
  }

  .subtitle-btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-weight: 600;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
    min-width: 80px;
    justify-content: center;
  }

  .subtitle-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  }

  .subtitle-btn:active {
    transform: translateY(0);
  }

  .delete-btn {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
  }

  .delete-btn:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
  }

  .add-btn {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: white;
  }

  .add-btn:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
  }

  .save-btn {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
  }

  .save-btn:hover {
    background: linear-gradient(135deg, #059669, #047857);
  }

  .subtitle-controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    padding: 20px;
    background: #1a2438;
    border-top: 1px solid #334155;
  }

  .subtitle-controls .subtitle-btn {
    min-width: 120px;
    padding: 10px 20px;
    font-size: 13px;
  }

  /* 滚动条样式 */
  .subtitle-editor-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
  }

  .subtitle-editor-container::-webkit-scrollbar-track {
    background: #1e293b;
  }

  .subtitle-editor-container::-webkit-scrollbar-thumb {
    background: #334155;
    border-radius: 4px;
  }

  .subtitle-editor-container::-webkit-scrollbar-thumb:hover {
    background: #475569;
  }

  .lukai-navbar {
    background: #000;
    height: 5vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    position: relative;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}



/* 主导航菜单 */
.lukai-navbar-menu {
    display: flex;
    align-items: center;
    gap: 40px;
    margin: 0 auto;
}

.lukai-menu-item {
    color: white;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    cursor: pointer;
    transition: color 0.3s ease;
}

.lukai-menu-item:hover {
    color: #00ff88;
}

/* 下拉菜单 - 全屏布局 */
.lukai-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    padding: 40px 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
}

/* 下拉菜单内容容器 */
.lukai-dropdown-content {
    max-width: 1200px;
    width: 100%;
    padding: 0 40px;
}

.lukai-dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 菜单网格布局 */
.lukai-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    width: 100%;
}

.lukai-solution-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    width: 100%;
}

.lukai-menu-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.lukai-menu-item-with-desc {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    text-decoration: none;
    color: white;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.lukai-menu-item-with-desc:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

.lukai-menu-icon {
    font-size: 20px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 6px;
    flex-shrink: 0;
}

.lukai-menu-content {
    flex: 1;
}

.lukai-menu-title {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
    color: white;
}

.lukai-menu-desc {
    font-size: 12px;
    color: #999;
    line-height: 1.4;
}

.lukai-menu-bottom {
    grid-column: 1 / -1;
    margin-top: 20px;
}

.lukai-bottom-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 16px 0;
}

.lukai-bottom-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.lukai-bottom-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: white;
    font-size: 12px;
    padding: 8px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.lukai-bottom-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.lukai-btn-icon {
    font-size: 16px;
}

/* 解决方案菜单样式 */
.lukai-solution-menu {
    display: flex !important;
    justify-content: center !important;
    width: 100vw !important;
    margin-left: calc(-50vw + 50%) !important;
}

.lukai-solution-column {
    display: flex;
    flex-direction: column;
}

/* 调整分类标题样式 */
.lukai-category-title {
    color: #00ff88;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 8px;
}

/* 调整菜单项间距 */
.lukai-solution-item {
    color: white;
    text-decoration: none;
    font-size: 13px;
    padding: 8px 0;
    transition: color 0.3s ease;
    display: block;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
}

.lukai-solution-item:last-child {
    border-bottom: none;
}

.lukai-solution-category {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.lukai-category-title {
    color: #00ff88;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.lukai-solution-item {
    color: white;
    text-decoration: none;
    font-size: 13px;
    padding: 4px 0;
    transition: color 0.3s ease;
    display: block;
}

.lukai-solution-item:hover {
    color: #00ff88;
}

.lukai-more-solution {
    color: #666;
    font-size: 12px;
    margin-top: 8px;
    display: block;
}

.lukai-more-solution:hover {
    color: #00ff88;
}

/* 右侧功能区 */
.lukai-navbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lukai-quick-links {
    display: flex;
    gap: 16px;
}

.lukai-quick-link {
    color: white;
    text-decoration: none;
    font-size: 12px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.lukai-quick-link:hover {
    opacity: 1;
}

.lukai-login-btn {
    background: #00ff88;
    color: #000;
    border: none;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lukai-login-btn:hover {
    background: #00e078;
    transform: translateY(-1px);
}

/* 主要内容区域 */
.lukai-main-content {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 40px;
    text-align: center;
}

.lukai-demo-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.lukai-demo-description {
    color: #666;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 40px;
}

.lukai-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 40px;
}

.lukai-feature-card {
    background: white;
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    text-align: left;
}

.lukai-feature-icon {
    width: 40px;
    height: 40px;
    background: #00ff88;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: white;
    font-weight: bold;
}

.lukai-feature-title {
    font-size: 16px;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.lukai-feature-desc {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
}