      
        /* 页面标题横幅 */
        .page-banner {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            padding: 80px 0;
            text-align: center;
            margin-bottom: 60px;
        }
        
        .page-banner h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        .breadcrumb {
            display: flex;
            justify-content: center;
            list-style: none;
        }
        
        .breadcrumb li {
            margin: 0 10px;
            position: relative;
        }
        
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            position: absolute;
            right: -15px;
            color: rgba(255, 255, 255, 0.7);
        }
        
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .breadcrumb a:hover {
            color: white;
        }
        
        /* 通用部分样式 */
        .section-title {
            text-align: center;
            margin: 60px 0 40px;
        }
        
        .section-title h2 {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 70px;
            height: 3px;
            background: var(--primary);
        }
        
        .section-title p {
            color: #777;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 公司简介 */
        .company-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 60px;
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s ease;
        }
        
        .company-intro.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        .intro-content h2 {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .intro-content p {
            margin-bottom: 15px;
            line-height: 1.8;
        }
        
        .intro-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-top: 30px;
        }
        
        .stat {
            text-align: center;
            padding: 20px;
            background: white;
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .stat:hover {
            transform: translateY(-5px);
        }
        
        .stat h3 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 5px;
        }
        
        .intro-image {
            position: relative;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        
        .intro-image img {
            width: 100%;
            transition: var(--transition);
        }
        
        .intro-image:hover img {
            transform: scale(1.03);
        }
        
        /* 发展历程 */
        .timeline {
            position: relative;
            margin: 60px 0;
            padding: 20px 0;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
            transform: translateX(-50%);
        }
        
        .timeline-item {
            width: 50%;
            padding: 20px 40px;
            position: relative;
            opacity: 0;
            transform: translateY(50px);
            transition: all 0.8s ease;
        }
        
        .timeline-item.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }
        
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        
        .timeline-item::after {
            content: '';
            position: absolute;
            top: 32px;
            width: 20px;
            height: 20px;
            background: var(--primary);
            border-radius: 50%;
        }
        
        .timeline-item:nth-child(odd)::after {
            right: -10px;
        }
        
        .timeline-item:nth-child(even)::after {
            left: -10px;
        }
        
        .timeline-content {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .timeline-year {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 10px;
            font-weight: 700;
        }
        
        /* 企业文化 */
        .culture {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-bottom: 60px;
        }
        
        .culture-item {
            background: white;
            padding: 40px 30px;
            border-radius: 15px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow);
            opacity: 0;
            transform: translateY(50px);
        }
        
        .culture-item.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        .culture-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .culture-icon {
            font-size: 3.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        .culture-item h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .company-intro {
                grid-template-columns: 1fr;
            }
            
            .timeline::before {
                left: 30px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 20px;
            }
            
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                left: 0;
                text-align: left;
            }
            
            .timeline-item:nth-child(odd)::after,
            .timeline-item:nth-child(even)::after {
                left: 20px;
            }
        }
        
        @media (max-width: 768px) {
            nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            }
            
            nav ul.active {
                display: flex;
            }
            
            nav li {
                margin: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .page-banner h1 {
                font-size: 2.2rem;
            }
            
            .intro-stats {
                grid-template-columns: 1fr;
            }
        }