/* 全局样式 */
        body {
            font-family: 'Microsoft YaHei', Arial, sans-serif;
            color: #333;
            overflow-x: hidden;
        }
        /* 按钮样式 */
        .btn {
            display: inline-block;
            padding: 16px 36px;
            font-size: 18px;
            font-weight: bold;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.4s cubic-bezier(0.215, 0.61, 0.355, 1);
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: all 0.6s ease;
            z-index: -1;
        }
        
        .btn:hover::before {
            left: 100%;
        }
        
        .btn-primary {
            background: linear-gradient(90deg, #0066cc, #0088ff);
            color: white;
            box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
        }
        
        .btn-primary:hover {
            background: transparent;
            border-color: #0066cc;
            color: #0066cc;
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 102, 204, 0.4);
        }
        
        /* 按钮点击效果 */
        .btn:active {
            transform: translateY(-2px);
        }
        
        /* 页面标题样式 */
        .page-header {
            background: url('https://qiniu.weibeicc.com/image/pic45.png') center/cover no-repeat;
            padding: 150px 0 100px;
            position: relative;
            text-align: center;
            color: white;
        }
        
        .page-header::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            /* background: rgba(0, 102, 204, 0.7); */
        }
        
        .page-header .container {
            position: relative;
            z-index: 1;
        }
        
        .page-header h1 {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 20px;
            animation: fadeInUp 1s ease;
        }
        
        .page-header p {
            font-size: 20px;
            animation: fadeInUp 1s ease 0.3s both;
        }
        
        /* 关于我们内容样式 */
        .about-section {
            padding: 100px 0;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 60px;
            margin-bottom: 100px;
        }
        
        .about-image {
            flex: 1;
        }
        
        .about-image img {
            width: 100%;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h2 {
            font-size: 36px;
            font-weight: bold;
            margin-bottom: 30px;
            color: #333;
        }
        
        .about-text p {
            font-size: 16px;
            color: #666;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        
        /* 公司文化样式 */
        .culture-section {
            padding: 100px 0;
            background: #f9f9f9;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 80px;
        }
        
        .section-title h2 {
            font-size: 36px;
            font-weight: bold;
            margin-bottom: 20px;
            color: #333;
        }
        
        .section-title p {
            font-size: 18px;
            color: #666;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .culture-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .culture-item {
            background: white;
            padding: 40px;
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }
        
        .culture-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .culture-icon {
            width: 80px;
            height: 80px;
            background: #0066cc;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 32px;
            color: white;
            transition: all 0.3s ease;
        }
        
        .culture-item:hover .culture-icon {
            transform: scale(1.1);
            background: #0088ff;
        }
        
        .culture-item h3 {
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 15px;
            color: #333;
        }
        
        .culture-item p {
            color: #666;
            line-height: 1.6;
        }
        
        /* 荣誉资质样式 */
        .certifications {
            padding: 100px 0;
            background: white;
            position: relative;
        }
        
        .certifications-container {
            position: relative;
            overflow: hidden;
            width: 100%;
        }
        
        .certifications-track {
            display: flex;
            gap: 30px;
            animation: scroll 60s linear infinite;
            width: max-content;
        }
        
        @keyframes scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        
        .certification-item {
            flex: 0 0 auto;
            width: 239px;
            height: 323px;
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .certification-item:hover {
            transform: translateY(-10px) scale(1.05);
        }
        
        .certification-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.3s ease;
        }
        
        .certification-item:hover img {
            transform: scale(1.1);
        }
        
        /* 发展历程样式 */
        .timeline-section {
            padding: 100px 0;
            background: #f9f9f9;
        }
        
        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background: #0066cc;
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
            border-radius: 3px;
        }
        
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 25px;
            height: 25px;
            background: white;
            border: 4px solid #0066cc;
            border-radius: 50%;
            top: 15px;
            z-index: 1;
        }
        
        .timeline-left {
            left: 0;
        }
        
        .timeline-right {
            left: 50%;
        }
        
        .timeline-left::after {
            right: -12px;
        }
        
        .timeline-right::after {
            left: -12px;
        }
        
        .timeline-content {
            padding: 20px 30px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
        }
        
        .timeline-content h3 {
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 10px;
            color: #0066cc;
        }
        
        .timeline-content p {
            color: #666;
            line-height: 1.6;
        }
        
        /* 数据统计样式 */
        .stats {
            padding: 80px 0;
            background: #0066cc;
            color: white;
            text-align: center;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
        }
        
        .stat-item {
            transition: all 0.3s ease;
        }
        
        .stat-item:hover {
            transform: translateY(-10px);
        }
        
        .stat-number {
            font-size: 48px;
            font-weight: bold;
            margin-bottom: 10px;
        }
        
        .stat-label {
            font-size: 18px;
        }
        
        /* 响应式样式 */
        @media (max-width: 751px) {
            .page-header h1 {
                font-size: 36px;
            }
            
            .container {
                padding: 0 20px;
            }
            
            .about-content {
                flex-direction: column;
                text-align: center;
            }
            
            .section-title h2 {
                font-size: 28px;
            }
            
            .about-section,
            .culture-section,
            .timeline-section {
                padding: 60px 0;
            }
            
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            
            .timeline-item::after {
                left: 18px;
            }
            
            .timeline-right {
                left: 0;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* 滚动条样式 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        
        ::-webkit-scrollbar-track {
            background: #f1f1f1;
        }
        
        ::-webkit-scrollbar-thumb {
            background: #0066cc;
            border-radius: 4px;
        }
        
        ::-webkit-scrollbar-thumb:hover {
            background: #0088ff;
        }