/* 主容器布局 */
    .content-wrapper {
        display: flex;
        gap: 40px;
        align-items: flex-start;
    }

    /* 侧边栏 */
    .sidebar {
        width: 260px;
        flex-shrink: 0;
        position: sticky;
        top: 140px;
    }

    .sidebar-header {
        margin-bottom: 20px;
    }

    .sidebar-title {
        font-size: 20px;
        font-weight: 600;
        color: var(--text-dark);
        padding-bottom: 15px;
        border-bottom: 2px solid var(--primary);
        position: relative;
    }

    .sidebar-title::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 60px;
        height: 2px;
        background: var(--accent);
    }

    .sidebar-nav {
        background: #1a1a2e;
        border-radius: 12px;
        padding: 10px 0;
        box-shadow: 0 2px 15px rgba(0, 0, 0, 0.3);
        border: 1px solid var(--border);
    }

    .sidebar-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .sidebar-list li {
        margin: 0;
    }

    .sidebar-list a {
        display: flex;
        align-items: center;
        padding: 14px 20px;
        color: var(--text-dark);
        text-decoration: none;
        transition: all 0.3s ease;
        font-size: 14px;
        border-left: 3px solid transparent;
    }

    .sidebar-list a:hover {
        background: rgba(59, 130, 246, 0.15);
        color: var(--primary);
        border-left-color: var(--primary);
    }

    .sidebar-list a.active {
        background: rgba(59, 130, 246, 0.15);
        color: var(--primary);
        border-left-color: var(--primary);
    }

    .sidebar-list a i {
        width: 20px;
        font-size: 14px;
        color: var(--primary);
        margin-right: 12px;
    }

    /* 侧边栏联系框 */
    .sidebar-contact {
        margin-top: 20px;
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        border-radius: 12px;
        padding: 25px;
        color: #fff;
        text-align: center;
    }

    .contact-title {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 15px;
    }

    .contact-phone {
        font-size: 24px;
        font-weight: bold;
        margin-bottom: 8px;
    }

    .contact-desc {
        font-size: 13px;
        opacity: 0.85;
    }

    /* 主内容区 */
    .content-main {
        flex: 1;
        min-width: 0;
        background: rgba(26, 26, 46, 0.6);
        border-radius: 12px;
        padding: 30px;
        border: 1px solid var(--border);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .content-header {
        margin-bottom: 30px;
        padding-bottom: 20px;
        border-bottom: 1px solid var(--border);
    }

    .content-title {
        font-size: 28px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0;
    }

    .content-subtitle {
        font-size: 14px;
        color: var(--text-light);
        margin-top: 8px;
    }

    .product-count {
        color: var(--primary);
        font-weight: 600;
    }

    /* 场景计数徽章 */
    .scene-count {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 22px;
        height: 20px;
        padding: 0 6px;
        margin-left: auto;
        background: rgba(59, 130, 246, 0.15);
        color: var(--primary);
        font-size: 11px;
        font-weight: 600;
        border-radius: 10px;
    }

    .scene-count.zero {
        background: rgba(107, 114, 128, 0.15);
        color: var(--text-gray);
    }

    /* 环节筛选标签栏 */
    .subcategory-filter {
        margin-bottom: 24px;
        padding: 16px 20px;
        background: rgba(26, 26, 46, 0.5);
        border: 1px solid var(--border);
        border-radius: 12px;
        display: flex;
        align-items: flex-start;
        gap: 12px;
    }

    .subcategory-label {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 600;
        color: var(--text-dark);
        white-space: nowrap;
        padding-top: 6px;
    }

    .subcategory-label i {
        color: var(--primary);
        font-size: 14px;
    }

    .subcategory-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        align-items: center;
    }

    .subcategory-tag {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 7px 16px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(120, 80, 160, 0.3);
        border-radius: 20px;
        font-size: 13px;
        color: var(--text-light);
        text-decoration: none;
        transition: all 0.25s ease;
        font-weight: 500;
        white-space: nowrap;
    }

    .subcategory-tag:hover {
        background: rgba(59, 130, 246, 0.12);
        border-color: rgba(59, 130, 246, 0.4);
        color: var(--primary);
        transform: translateY(-1px);
        box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
    }

    .subcategory-tag.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
        font-weight: 600;
        box-shadow: 0 2px 12px rgba(59, 130, 246, 0.35);
    }

    .subcategory-tag.active:hover {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 4px 16px rgba(59, 130, 246, 0.45);
    }

    .sub-tag-count {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 18px;
        height: 17px;
        padding: 0 5px;
        background: rgba(255, 255, 255, 0.15);
        color: inherit;
        font-size: 11px;
        font-weight: 600;
        border-radius: 9px;
    }

    .subcategory-tag.active .sub-tag-count {
        background: rgba(255, 255, 255, 0.3);
    }

    .subcategory-divider {
        display: inline-block;
        width: 1px;
        height: 18px;
        background: var(--border);
        margin: 0 2px;
    }

    /* 产品网格 */
    .product-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 24px;
    }

    /* 产品卡片 */
    .product-card {
        background: #1a1a2e;
        border-radius: 12px;
        overflow: hidden;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        transition: all 0.35s ease;
        cursor: pointer;
        border: 1px solid var(--border);
        display: flex;
        flex-direction: column;
    }

    .product-card:hover {
        transform: translateY(-8px);
        box-shadow: 0 12px 40px rgba(59, 130, 246, 0.25);
        border-color: var(--primary);
    }

    .product-link {
        display: flex;
        flex-direction: column;
        text-decoration: none;
        color: inherit;
        height: 100%;
    }

    .product-image-wrapper {
        position: relative;
        height: 200px;
        overflow: hidden;
        background: linear-gradient(135deg, #16213e 0%, #1a1a2e 100%);
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .product-image {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .product-card:hover .product-image {
        transform: scale(1.1);
    }

    /* 图片占位符（无图片时显示） */
    .product-image-placeholder {
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
        opacity: 0.15;
    }

    .product-image-placeholder i {
        font-size: 64px;
        color: #fff;
        opacity: 0.7;
    }

    .product-image-wrapper img {
        position: relative;
        z-index: 1;
    }

    .product-overlay {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
        padding: 30px 20px 15px;
        opacity: 0;
        transform: translateY(20px);
        transition: all 0.35s ease;
        z-index: 2;
    }

    .product-card:hover .product-overlay {
        opacity: 1;
        transform: translateY(0);
    }

    .view-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 20px;
        background: var(--primary);
        color: #fff;
        font-size: 13px;
        border-radius: 20px;
        transition: all 0.3s ease;
        font-weight: 500;
    }

    .view-btn:hover {
        background: var(--accent);
    }

    .product-info {
        padding: 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .product-title {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 10px 0;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        min-height: 44px;
    }

    .product-card:hover .product-title {
        color: var(--primary);
    }

    .product-desc {
        font-size: 13px;
        color: var(--text-light);
        line-height: 1.6;
        margin: 0;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
        flex: 1;
    }

    .product-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
        margin-top: 14px;
        padding-top: 12px;
        border-top: 1px solid var(--border);
        font-size: 12px;
        color: var(--text-gray);
    }

    .product-tag {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 3px 10px;
        background: rgba(59, 130, 246, 0.15);
        color: var(--primary);
        border-radius: 12px;
        font-size: 12px;
        font-weight: 500;
    }

    .product-action {
        color: var(--primary);
        font-weight: 500;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: all 0.3s ease;
    }

    .product-card:hover .product-action {
        color: var(--accent);
    }

    .product-action i {
        font-size: 12px;
        transition: transform 0.3s ease;
    }

    .product-card:hover .product-action i {
        transform: translateX(3px);
    }

    /* 空状态 */
    .empty-state {
        grid-column: 1 / -1;
        text-align: center;
        padding: 80px 20px;
    }

    .empty-icon {
        width: 80px;
        height: 80px;
        margin: 0 auto 20px;
        background: var(--bg-light);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .empty-icon i {
        font-size: 40px;
        color: var(--text-gray);
    }

    .empty-text {
        font-size: 16px;
        color: var(--text-gray);
        margin: 0;
    }

    /* 分页样式 */
    .pagination-wrapper {
        margin-top: 50px;
        display: flex;
        justify-content: center;
    }

    .pagination-wrapper .pagination {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .pagination-wrapper ul {
        display: flex;
        list-style: none;
        padding: 0;
        margin: 0;
        gap: 5px;
    }

    .pagination-wrapper li,
    .pagination-wrapper .page-item {
        display: inline-flex;
    }

    .pagination-wrapper .page-link,
    .pagination-wrapper a,
    .pagination-wrapper span {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 40px;
        height: 40px;
        padding: 0 12px;
        background: #1a1a2e;
        border: 1px solid var(--border);
        border-radius: 8px;
        color: var(--text-dark);
        font-size: 14px;
        text-decoration: none;
        transition: all 0.3s ease;
    }

    .pagination-wrapper .page-link:hover,
    .pagination-wrapper a:hover:not(.current) {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
    }

    .pagination-wrapper .page-item.active .page-link,
    .pagination-wrapper .active a,
    .pagination-wrapper .current {
        background: var(--primary) !important;
        border-color: var(--primary) !important;
        color: #fff !important;
    }

    .pagination-wrapper em {
        display: none;
    }

    .pagination-wrapper input[type="text"] {
        width: 55px;
        height: 40px;
        padding: 0 10px;
        border: 1px solid var(--border);
        border-radius: 8px;
        text-align: center;
        font-size: 14px;
        background: #1a1a2e;
        color: var(--text-dark);
    }

    .pagination-wrapper button {
        height: 40px;
        padding: 0 16px;
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: 8px;
        cursor: pointer;
        font-size: 14px;
        transition: background 0.3s ease;
    }

    .pagination-wrapper button:hover {
        background: var(--primary-dark);
    }

    /* ========== 选型指南区块样式 ========== */
    .guide-section {
        margin-bottom: 30px;
        padding: 24px;
        background: rgba(26, 26, 46, 0.5);
        border: 1px solid var(--border);
        border-radius: 12px;
    }

    .guide-section--ai {
        border: 2px solid rgba(59, 130, 246, 0.4);
        background: rgba(26, 26, 46, 0.7);
    }

    .guide-section-title {
        font-size: 20px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 16px 0;
        padding-bottom: 12px;
        border-bottom: 1px solid var(--border);
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .guide-section-title i {
        color: var(--primary);
        font-size: 18px;
        width: 24px;
        text-align: center;
    }

    .guide-section-content {
        font-size: 14px;
        line-height: 1.8;
        color: var(--text-light);
    }

    .guide-section-content h3 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 20px 0 10px 0;
        padding-left: 12px;
        border-left: 3px solid var(--primary);
    }

    .guide-section-content h3:first-child {
        margin-top: 0;
    }

    .guide-section-content ul,
    .guide-section-content ol {
        padding-left: 20px;
        margin: 10px 0;
    }

    .guide-section-content li {
        margin-bottom: 6px;
        position: relative;
    }

    .guide-section-content li strong {
        color: var(--primary);
    }

    .guide-section-content p {
        margin: 10px 0;
    }

    .guide-section-content a {
        color: var(--primary);
        text-decoration: none;
        transition: color 0.3s;
    }

    .guide-section-content a:hover {
        color: var(--accent);
        text-decoration: underline;
    }

    /* ========== AI引导卡片 ========== */
    .guide-card--ai {
        border: 2px solid rgba(59, 130, 246, 0.4) !important;
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
    }

    .guide-card--ai .guide-section-title i {
        color: #8b5cf6;
    }

    /* ========== 场景快速入口卡片网格 ========== */
    .scene-cards-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 16px;
        margin-top: 16px;
    }

    .scene-card {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 16px;
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border);
        border-radius: 12px;
        text-decoration: none;
        color: var(--text-dark);
        transition: all 0.3s ease;
    }

    .scene-card:hover {
        background: rgba(59, 130, 246, 0.1);
        border-color: var(--primary);
        transform: translateY(-3px);
        box-shadow: 0 6px 20px rgba(59, 130, 246, 0.2);
        text-decoration: none;
        color: var(--text-dark);
    }

    .scene-card-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .scene-card-icon i {
        font-size: 22px;
        color: #fff;
    }

    .scene-card-info {
        flex: 1;
        min-width: 0;
    }

    .scene-card-name {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-dark);
        margin: 0 0 6px 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .scene-card-stats {
        display: flex;
        gap: 12px;
        font-size: 12px;
        color: var(--text-gray);
    }

    .scene-card-stats i {
        color: var(--primary);
        font-size: 11px;
    }

    .scene-card-arrow {
        color: var(--text-gray);
        font-size: 16px;
        transition: all 0.3s ease;
        flex-shrink: 0;
    }

    .scene-card:hover .scene-card-arrow {
        color: var(--primary);
        transform: translateX(4px);
    }

    /* ========== 场景专题页头部 ========== */
    .scene-topic-header {
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
        padding: 24px;
        border-radius: 12px;
        border: 1px solid rgba(59, 130, 246, 0.2);
        margin-bottom: 24px;
    }

    .header-divider {
        color: var(--text-gray);
        margin: 0 8px;
    }

    .header-sub {
        color: var(--primary);
        font-weight: 500;
    }

    .stat-separator {
        color: var(--border);
        margin: 0 10px;
    }

    /* ========== 产品对比表格 ========== */
    .compare-table {
        width: 100%;
        border-collapse: collapse;
        margin: 16px 0;
        font-size: 13px;
        background: rgba(26, 26, 46, 0.4);
        border-radius: 8px;
        overflow: hidden;
    }

    .compare-table thead th {
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        color: #fff;
        padding: 12px 14px;
        text-align: left;
        font-weight: 600;
        font-size: 13px;
    }

    .compare-table thead th:first-child {
        border-radius: 8px 0 0 0;
    }

    .compare-table thead th:last-child {
        border-radius: 0 8px 0 0;
    }

    .compare-table tbody td {
        padding: 10px 14px;
        border-bottom: 1px solid var(--border);
        color: var(--text-light);
    }

    .compare-table tbody tr:hover td {
        background: rgba(59, 130, 246, 0.06);
    }

    .compare-table tbody tr:last-child td {
        border-bottom: none;
    }

    .compare-table tbody td:first-child {
        font-weight: 600;
        color: var(--primary);
        white-space: nowrap;
    }

    /* 响应式表格 */
    @media (max-width: 768px) {
        .compare-table {
            display: block;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .compare-table thead th,
        .compare-table tbody td {
            white-space: nowrap;
            min-width: 120px;
        }
    }

    /* ========== 产品内链样式 ========== */
    .product-inline-link {
        display: inline;
        color: var(--primary);
        text-decoration: none;
        font-weight: 500;
        padding: 1px 4px;
        border-radius: 3px;
        background: rgba(59, 130, 246, 0.08);
        transition: all 0.25s ease;
        border-bottom: 1px dashed rgba(59, 130, 246, 0.4);
    }

    .product-inline-link:hover {
        color: var(--accent);
        background: rgba(59, 130, 246, 0.15);
        border-bottom-color: var(--primary);
        text-decoration: none;
    }

    .product-inline-link::after {
        content: ' \2197';
        font-size: 10px;
        opacity: 0.6;
    }

    /* ========== AI侧边栏引导 ========== */
    .ai-sidebar-cta {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 16px;
        padding: 14px 16px;
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
        border: 1px solid rgba(59, 130, 246, 0.3);
        border-radius: 12px;
        text-decoration: none;
        transition: all 0.3s ease;
    }

    .ai-sidebar-cta:hover {
        background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
        border-color: var(--primary);
        text-decoration: none;
    }

    .ai-cta-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .ai-cta-icon i {
        font-size: 20px;
        color: #fff;
    }

    .ai-cta-text {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .ai-cta-text strong {
        font-size: 14px;
        color: var(--text-dark);
    }

    .ai-cta-text span {
        font-size: 12px;
        color: var(--text-gray);
    }

    /* ========== 响应式设计 ========== */
    @media (max-width: 1024px) {
        .content-wrapper {
            flex-direction: column;
            gap: 30px;
        }

        .sidebar {
            width: 100%;
            position: static;
        }

        .sidebar-nav {
            overflow-x: auto;
        }

        .sidebar-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            padding: 15px;
        }

        .sidebar-list li {
            flex: 0 0 auto;
        }

        .sidebar-list a {
            border-radius: 8px;
            border-left: none;
            padding: 10px 16px;
            white-space: nowrap;
        }

        .sidebar-list a:hover,
        .sidebar-list a.active {
            border-left: none;
        }

        .sidebar-contact {
            display: none;
        }

        .product-grid {
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
    }

    @media (max-width: 900px) {
        .content-title {
            font-size: 22px;
        }

        .content-main {
            padding: 20px;
        }

        .product-grid {
            grid-template-columns: 1fr;
        }

        .product-image-wrapper {
            height: 200px;
        }

        .product-info {
            padding: 18px;
        }

        /* 场景卡片响应式 */
        .scene-cards-grid {
            grid-template-columns: 1fr;
        }

        /* 场景专题头部 */
        .scene-topic-header {
            padding: 16px;
        }
    }

    @media (max-width: 600px) {
        .scene-card {
            padding: 12px;
            gap: 10px;
        }

        .scene-card-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
        }

        .scene-card-icon i {
            font-size: 18px;
        }

        .scene-card-name {
            font-size: 14px;
        }

        .guide-section {
            padding: 16px;
        }

        .guide-section-title {
            font-size: 17px;
        }

        .compare-table {
            font-size: 12px;
        }

        .compare-table thead th,
        .compare-table tbody td {
            padding: 8px 10px;
        }
    }