* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
        }

        :root {
            --primary-blue: #0056b3;
            --secondary-blue: #007BFF;
            --light-blue: #E6F2FF;
            --accent-orange: #FF6B35;
            --text-dark: #333;
            --text-light: #666;
            --white: #fff;
            --gray-bg: #f8fafc;
            --border-color: #eef2f7;
        }

        body {
            color: var(--text-dark);
            line-height: 1.6;
            background-color: var(--gray-bg);
            padding-top: 90px;
        }

        .container {
            width: 100%;
            max-width: 1216px;
            margin: 0 auto;
            padding: 0 15px;
        }

        /* ================== 产品列表页面专用样式 ================== */
        .product-page {
            margin-top: 76px;
            padding: 40px 0 80px;
        }

        /* 面包屑 */
        .breadcrumb {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 30px;
        }
        .breadcrumb a { color: var(--text-light); transition: color 0.3s; }
        .breadcrumb a:hover { color: var(--primary-blue); }
        .breadcrumb span { margin: 0 8px; }

        /* 页面标题 */
        .page-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .page-header h1 {
            font-size: 36px;
            color: var(--primary-blue);
            margin-bottom: 10px;
        }
        .page-header p {
            color: var(--text-light);
            font-size: 16px;
        }

        /* 筛选栏 */
        .filter-bar {
            background: var(--white);
            padding: 20px 30px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 40px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }
        .filter-bar span {
            font-weight: 600;
            color: var(--text-dark);
        }
        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .filter-tag {
            padding: 8px 14px;
            background: var(--gray-bg);
            border-radius: 20px;
            font-size: 14px;
            color: var(--text-light);
            cursor: pointer;
            transition: all 0.3s;
            border: 1px solid transparent;
        }
        .filter-tag:hover {
            background: var(--light-blue);
            color: var(--primary-blue);
        }
        .filter-tag.active {
            background: var(--primary-blue);
            color: white;
            border-color: var(--primary-blue);
        }

        /* 产品网格 */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .product-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.4s ease;
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 86, 179, 0.15);
        }
        .product-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .product-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .product-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 10px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 44px;
        }
        .product-desc {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 20px;
            flex-grow: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .product-btn {
            display: inline-block;
            background: var(--light-blue);
            color: var(--primary-blue);
            padding: 10px 20px;
            border-radius: 8px;
            text-align: center;
            font-weight: 500;
            transition: all 0.3s;
            margin-top: auto;
        }
        .product-btn:hover {
            background: var(--primary-blue);
            color: white;
        }

        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            margin-top: 40px;
        }
        .pagination-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 14px;
            color: var(--text-dark);
        }
        .pagination-btn:hover {
            background: var(--light-blue);
            border-color: var(--primary-blue);
        }
        .pagination-btn.active {
            background: var(--primary-blue);
            color: white;
            border-color: var(--primary-blue);
        }
        .pagination-btn.disabled {
            opacity: 0.5;
            cursor: not-allowed;
        }
        .pagination-btn.disabled:hover {
            background: var(--white);
            border-color: var(--border-color);
        }

        /* 响应式调整 */
        @media (max-width: 1200px) {
            .product-grid { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 768px) {
            .product-grid { grid-template-columns: repeat(2, 1fr); }
            .filter-bar { justify-content: center; }
        }
        @media (max-width: 576px) {
            .product-grid { grid-template-columns: 1fr; }
            .page-header h1 { font-size: 28px; }
        }