        
        /* 英雄区域样式 */
        .hero-about {
            height: 70vh;
            background: linear-gradient(rgba(10, 36, 99, 0.8), rgba(10, 36, 99, 0.8)), url('/template/jia/images/12.jpg');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            display: flex;
            align-items: center;
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 20px;
            z-index: 2;
        }
        
        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            color: var(--secondary);
            animation: fadeInUp 1s ease-out;
        }
        
        .hero-content p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
            animation: fadeInUp 1s ease-out 0.3s forwards;
            opacity: 0;
        }
        
        .hero-content .btn {
            animation: fadeInUp 1s ease-out 0.6s forwards;
            opacity: 0;
        }
        
        /* 关于介绍区域 */
        .about-intro {
            padding: 100px 0;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
        }
        
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .about-text h2 {
            color: var(--primary);
            margin-bottom: 25px;
            font-size: 2.2rem;
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: #555;
            line-height: 1.8;
        }
        
        .about-stats {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        
        .stat-item {
            text-align: center;
            padding: 20px;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        
        .stat-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        
        .stat-text {
            color: var(--primary);
            font-weight: 500;
        }
        
        .about-image {
            position: relative;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            transform: perspective(1000px) rotateY(-5deg);
            transition: var(--transition);
        }
        
        .about-image:hover {
            transform: perspective(1000px) rotateY(0);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* 时间轴样式 */
        .timeline-section {
            padding: 100px 0;
            background-color: white;
            position: relative;
        }
        
        .timeline {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .timeline::after {
            content: '';
            position: absolute;
            width: 6px;
            background-color: var(--primary);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -3px;
        }
        
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
            opacity: 0;
            transform: translateY(50px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .timeline-item.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }
        
        .timeline-item:nth-child(even) {
            left: 50%;
        }
        
        .timeline-content {
            padding: 20px 30px;
            background-color: white;
            position: relative;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        
        .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .timeline-item:nth-child(odd) .timeline-content {
            margin-right: 30px;
        }
        
        .timeline-item:nth-child(even) .timeline-content {
            margin-left: 30px;
        }
        
        .timeline-content::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: white;
            top: 50%;
            transform: translateY(-50%) rotate(45deg);
        }
        
        .timeline-item:nth-child(odd) .timeline-content::after {
            right: -10px;
        }
        
        .timeline-item:nth-child(even) .timeline-content::after {
            left: -10px;
        }
        
        .timeline-year {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
        }
        
        .timeline-title {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .timeline-desc {
            color: #666;
            line-height: 1.6;
        }
        
        .timeline-item:nth-child(odd)::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -13px;
            background-color: var(--secondary);
            border: 4px solid var(--primary);
            top: 50%;
            border-radius: 50%;
            z-index: 1;
            transform: translateY(-50%);
        }
        
        .timeline-item:nth-child(even)::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            left: -13px;
            background-color: var(--secondary);
            border: 4px solid var(--primary);
            top: 50%;
            border-radius: 50%;
            z-index: 1;
            transform: translateY(-50%);
        }
        
        /* 服务优势区域 */
        .advantages-section {
            padding: 100px 0;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .advantage-card {
            background-color: white;
            padding: 40px 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            text-align: center;
            transition: var(--transition);
            opacity: 0;
            transform: translateY(50px);
        }
        
        .advantage-card.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .advantage-icon {
            font-size: 3rem;
            color: var(--secondary);
            margin-bottom: 20px;
            display: inline-block;
            width: 80px;
            height: 80px;
            line-height: 80px;
            background: rgba(212, 175, 55, 0.1);
            border-radius: 50%;
            text-align: center;
        }
        
        .advantage-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        
        .advantage-card p {
            color: #666;
            line-height: 1.6;
        }
        
        /* 使命愿景区域 */
        .mission-section {
            padding: 100px 0;
            background: linear-gradient(to right, var(--primary) 50%, white 50%);
        }
        
        .mission-container {
            display: flex;
            background-color: white;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            border-radius: 10px;
            overflow: hidden;
        }
        
        .mission-content {
            flex: 1;
            padding: 50px;
        }
        
        .mission-content h2 {
            color: var(--primary);
            margin-bottom: 30px;
            font-size: 2rem;
        }
        
        .mission-item {
            margin-bottom: 30px;
            opacity: 0;
            transform: translateX(-50px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .mission-item.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .mission-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 15px;
        }
        
        .mission-item h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }
        
        .mission-item p {
            color: #555;
            line-height: 1.6;
        }
        
        .mission-image {
            flex: 1;
            background-image: url('/template/jia/images/28.jpg');
            background-size: cover;
            background-position: center;
        }
        
    
        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @keyframes pulse {
            0% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
            100% {
                transform: scale(1);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content {
                grid-template-columns: 1fr;
            }
            
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                left: 0;
                text-align: left;
            }
            
            .timeline-item:nth-child(odd) .timeline-content,
            .timeline-item:nth-child(even) .timeline-content {
                margin-left: 0;
                margin-right: 0;
            }
            
            .timeline-item:nth-child(odd)::after,
            .timeline-item:nth-child(even)::after {
                left: 18px;
                right: auto;
            }
            
            .timeline-item:nth-child(odd) .timeline-content::after,
            .timeline-item:nth-child(even) .timeline-content::after {
                left: -10px;
                right: auto;
                top: 30px;
                transform: rotate(45deg);
            }
            
            .mission-container {
                flex-direction: column;
            }
            
            .mission-image {
                min-height: 400px;
            }
        }
        
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                text-align: center;
            }
            
            .logo {
                margin-bottom: 15px;
            }
            
            nav ul {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            nav ul li {
                margin: 5px 10px;
            }
            
            .hero-content h1 {
                font-size: 2.5rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .about-stats {
                grid-template-columns: 1fr;
            }
        }
