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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
            color: #333;
            background: #f7f7f7;
        }

        .container {
            max-width: 100%;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 页面头部 */
        .page-hero {
            background: url('img/gc_index_bg.png') center center / cover no-repeat;
            padding: 80px 0;
            color: white;
            text-align: center;
            position: relative;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.3);
            z-index: 1;
        }

        .page-hero > * {
            position: relative;
            z-index: 2;
        }

        .page-hero h2 {
            font-size: 42px;
            margin-bottom: 15px;
            font-weight: 700;
        }

        .page-hero p {
            font-size: 18px;
            opacity: 0.95;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-tags {
            display: flex;
            gap: 15px;
            justify-content: center;
            margin-top: 25px;
        }

        .hero-tag {
            padding: 8px 20px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 25px;
            font-size: 14px;
            backdrop-filter: blur(10px);
        }

        /* 工厂列表区域 */
        .factory-list-section {
            padding: 50px 0;
        }

        /* 左侧分类目录 */
        .category-sidebar {
            background: white;
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            height: fit-content;
            position: sticky;
            top: 20px;
        }

        .category-sidebar > .category-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 2px solid #ff6b35;
            color: #333;
        }

        .category-group {
            margin-bottom: 25px;
        }

        .category-group-title {
            font-size: 15px;
            font-weight: 600;
            color: #333;
            margin-bottom: 12px;
            padding: 8px 12px;
            background: linear-gradient(135deg, #fff5f0, #ffffff);
            border-radius: 6px;
            border-left: 3px solid #ff6b35;
        }

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

        .category-item {
            margin-bottom: 5px;
        }

        .category-link {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 10px 12px;
            color: #666;
            text-decoration: none;
            border-radius: 6px;
            transition: all 0.3s;
            font-size: 14px;
        }

        .category-link:hover {
            background: rgba(255, 107, 53, 0.08);
            color: #ff6b35;
            padding-left: 15px;
        }

        .category-link.active {
            background: rgba(255, 107, 53, 0.12);
            color: #ff6b35;
            font-weight: 600;
        }

        .category-count {
            font-size: 12px;
            color: #999;
            background: #f5f5f5;
            padding: 2px 8px;
            border-radius: 10px;
            min-width: 30px;
            text-align: center;
        }

        .category-link:hover .category-count,
        .category-link.active .category-count {
            background: #ff6b35;
            color: white;
        }

        /* 右侧工厂列表包装器 */
        .factory-grid-wrapper {
            min-width: 0;
        }

        .factory-grid-header {
            background: white;
            border-radius: 12px;
            padding: 20px 25px;
            margin-bottom: 20px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

        .header-left {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .factory-grid-title {
            font-size: 20px;
            font-weight: 700;
            color: #333;
            white-space: nowrap;
        }

        /* 搜索框样式 */
        .search-box {
            display: flex;
            gap: 10px;
            flex: 1;
            max-width: 500px;
        }

        .search-input {
            flex: 1;
            padding: 10px 15px;
            border: 2px solid #e0e0e0;
            border-radius: 6px;
            font-size: 14px;
            transition: all 0.3s;
        }

        .search-input:focus {
            outline: none;
            border-color: #ff6b35;
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
        }

        .search-btn {
            padding: 10px 20px;
            background: #ff6b35;
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s;
            white-space: nowrap;
        }

        .search-btn:hover {
            background: #ff8c5a;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }

        .factory-grid-sort {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #666;
        }

        .sort-btn {
            padding: 6px 15px;
            background: #f5f5f5;
            border: none;
            border-radius: 20px;
            cursor: pointer;
            font-size: 13px;
            transition: all 0.3s;
            color: #666;
        }

        .sort-btn:hover {
            background: rgba(255, 107, 53, 0.1);
            color: #ff6b35;
        }

        .sort-btn.active {
            background: #ff6b35;
            color: white;
            font-weight: 600;
        }

        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            margin-top: 30px;
            padding: 25px 0;
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        .page-btn {
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            background: #f5f5f5;
            border: 1px solid #e0e0e0;
            border-radius: 6px;
            cursor: pointer;
            font-size: 14px;
            color: #666;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .page-btn:hover:not(.active):not([style*="cursor: default"]) {
            background: rgba(255, 107, 53, 0.1);
            border-color: #ff6b35;
            color: #ff6b35;
            transform: translateY(-2px);
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.2);
        }

        .page-btn.active {
            background: #ff6b35;
            border-color: #ff6b35;
            color: white;
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(255, 107, 53, 0.3);
        }

        .pagination-info {
            text-align: center;
            margin-top: 20px;
            padding: 15px;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        .pagination-info span {
            font-size: 14px;
            color: #666;
        }

        .pagination-info strong {
            color: #ff6b35;
            font-weight: 600;
        }

        .factory-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .factory-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all 0.3s;
            cursor: pointer;
        }

        .factory-card:hover {
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            transform: translateY(-5px);
        }

        .factory-image {
            width: 100%;
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .factory-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            display: block;
            transition: transform 0.3s;
        }

        .factory-card:hover .factory-image img {
            transform: scale(1.05);
        }

        .factory-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            padding: 5px 12px;
            background: #ff6b35;
            color: white;
            border-radius: 20px;
            font-size: 11px;
            font-weight: 600;
        }

        .factory-info {
            padding: 20px;
        }

        .factory-name {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #333;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .factory-desc {
            font-size: 13px;
            color: #666;
            line-height: 1.6;
            margin-bottom: 15px;
            height: 42px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .factory-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 15px;
        }

        .stat-item {
            text-align: center;
            padding: 8px;
            background: #f5f7fa;
            border-radius: 6px;
        }

        .stat-number {
            font-size: 16px;
            font-weight: 700;
            color: #ff6b35;
            margin-bottom: 3px;
        }

        .stat-label {
            font-size: 11px;
            color: #999;
        }

        .factory-certifications {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
            margin-bottom: 15px;
        }

        .cert-tag {
            padding: 3px 8px;
            background: rgba(255, 107, 53, 0.1);
            color: #ff6b35;
            border-radius: 4px;
            font-size: 11px;
        }

        .factory-btn {
            width: 100%;
            padding: 10px;
            background: #ff6b35;
            color: white;
            border: none;
            border-radius: 6px;
            font-size: 13px;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
            text-decoration: none;
            display: block;
        }

        .factory-btn:hover {
            background: #ff8c5a;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
        }

        /* 底部 */
        .footer {
            background: #1a1a1a;
            color: white;
            padding: 50px 0 20px;
            position: relative;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #999;
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .social-icon {
            width: 32px;
            height: 32px;
            background: #333;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
        }

        .social-icon:hover {
            background: #1890ff;
        }

        .footer-links h4 {
            font-size: 14px;
            margin-bottom: 15px;
        }

        .footer-links a {
            display: block;
            color: #999;
            text-decoration: none;
            font-size: 13px;
            padding: 5px 0;
        }

        .footer-links a:hover {
            color: #1890ff;
        }

        .footer-qr {
            display: flex;
            gap: 20px;
        }

        .qr-item {
            text-align: center;
        }

        .qr-code {
            width: 100px;
            height: 100px;
            background: white;
            border-radius: 8px;
            margin-bottom: 8px;
        }

        .qr-label {
            font-size: 12px;
            color: #999;
        }

        .footer-bottom {
            padding-top: 20px;
            border-top: 1px solid #333;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #999;
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom-links a {
            color: #999;
            text-decoration: none;
        }

        .footer-bottom-links a:hover {
            color: #1890ff;
        }

        /* 右侧悬浮按钮 */
        .float-buttons {
            position: fixed;
            right: 20px;
            bottom: 100px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 1000;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: white;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
            transition: all 0.3s;
        }

        .float-btn:hover {
            background: #1890ff;
            color: white;
        }

        .float-btn-icon {
            font-size: 20px;
            margin-bottom: 2px;
        }

        .float-btn-text {
            font-size: 10px;
        }

        /* 移动端适配 */
        @media screen and (max-width: 768px) {
            .container {
                max-width: 100%;
                padding: 0 15px;
            }

            .page-hero {
                padding: 50px 0;
            }

            .page-hero h2 {
                font-size: 28px;
            }

            .hero-tags {
                flex-direction: column;
                align-items: center;
            }

            /* 移动端分类目录变为顶部横向滚动 */
            .factory-list-section .container > div {
                grid-template-columns: 1fr !important;
            }

            .category-sidebar {
                position: static;
                padding: 15px;
                margin-bottom: 20px;
            }

            .category-sidebar > .category-title {
                font-size: 16px;
                margin-bottom: 15px;
                padding-bottom: 10px;
            }

            .category-group {
                margin-bottom: 15px;
            }

            .category-group-title {
                font-size: 14px;
                padding: 6px 10px;
            }

            .category-link {
                padding: 8px 10px;
                font-size: 13px;
            }

            /* 移动端排序栏 */
            .factory-grid-header {
                flex-direction: column;
                gap: 15px;
                align-items: stretch;
                padding: 15px 20px;
            }

            .header-left {
                flex-direction: column;
                gap: 12px;
            }

            .factory-grid-title {
                font-size: 18px;
            }

            .search-box {
                max-width: 100%;
                width: 100%;
            }

            .search-input {
                padding: 8px 12px;
                font-size: 13px;
            }

            .search-btn {
                padding: 8px 16px;
                font-size: 13px;
            }

            .factory-grid-sort {
                width: 100%;
                overflow-x: auto;
                padding-bottom: 5px;
                -webkit-overflow-scrolling: touch;
            }

            .sort-btn {
                white-space: nowrap;
                flex-shrink: 0;
            }

            .factory-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }

            .float-buttons {
                display: none;
            }

            /* 移动端分页 */
            .pagination {
                flex-wrap: wrap;
                gap: 5px;
                padding: 20px 15px;
                margin-top: 30px;
            }

            .page-btn {
                min-width: 35px;
                height: 35px;
                padding: 0 10px;
                font-size: 13px;
            }

            .pagination-info {
                margin-top: 15px;
                padding: 12px;
            }

            .pagination-info span {
                font-size: 13px;
            }
        }