* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        :root {
            --primary-color: #1a6dfc;
            --secondary-color: #ff6b35;
            --accent-color: #00d4aa;
            --light-color: #f0f7ff;
            --dark-color: #0a3d8f;
            --text-color: #333;
            --text-light: #666;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            background-color: #f8fbff;
            color: var(--text-color);
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航样式 */
        header {
            background-color: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 20px rgba(26, 111, 252, 0.1);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            transition: all 0.3s;
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-weight: bold;
            color: var(--primary-color);
            font-size: 1.6rem;
        }
        
        .logo i {
            margin-right: 10px;
            font-size: 1.8rem;
            color: var(--secondary-color);
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 25px;
            position: relative;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--text-color);
            font-weight: 500;
            transition: color 0.3s;
            padding: 5px 0;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: width 0.3s;
        }
        
        .nav-links a:hover {
            color: var(--primary-color);
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary-color);
        }
        
        /* 主内容区 */
        section {
            padding: 100px 0 60px;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-header h2 {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
            border-radius: 2px;
        }
        
        .section-header p {
            color: var(--text-light);
            max-width: 700px;
            margin: 20px auto 0;
            font-size: 1.1rem;
        }
        
        /* 首页横幅 */
        #home {
            background: linear-gradient(rgba(26, 111, 252, 0.85), rgba(10, 61, 143, 0.85)), url('https://images.unsplash.com/photo-1583623025817-180190ac0b51?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1200&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 180px 0 100px;
            margin-top: 70px;
        }
        
        #home h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.3);
        }
        
        #home p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        .home-highlights {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 40px;
        }
        
        .highlight-item {
            flex: 1;
            min-width: 200px;
            background-color: rgba(255, 255, 255, 0.15);
            padding: 20px;
            border-radius: 10px;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .highlight-item i {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: var(--accent-color);
        }
        
        /* 内容区块 */
        .content-card {
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(26, 111, 252, 0.08);
            margin-bottom: 40px;
            transition: transform 0.3s, box-shadow 0.3s;
            border-top: 4px solid transparent;
        }
        
        .content-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(26, 111, 252, 0.15);
            border-top-color: var(--accent-color);
        }
        
        .card-img {
            height: 280px;
            overflow: hidden;
        }
        
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .content-card:hover .card-img img {
            transform: scale(1.05);
        }
        
        .card-content {
            padding: 30px;
        }
        
        .card-content h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 1.8rem;
        }
        
        .card-content p {
            color: var(--text-light);
            margin-bottom: 20px;
        }
        
        .card-link {
            display: inline-block;
            color: var(--secondary-color);
            font-weight: 600;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .card-link:hover {
            color: var(--primary-color);
        }
        
        .card-link i {
            margin-left: 8px;
            transition: transform 0.3s;
        }
        
        .card-link:hover i {
            transform: translateX(5px);
        }
        
        /* 网格布局 */
        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        /* 特色区块 */
        .feature-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
        }
        
        .feature-item {
            flex: 1;
            min-width: 250px;
            text-align: center;
            padding: 30px 20px;
            background-color: white;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(26, 111, 252, 0.06);
            transition: transform 0.3s;
            border-top: 4px solid var(--accent-color);
        }
        
        .feature-item:hover {
            transform: translateY(-5px);
        }
        
        .feature-icon {
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            background-color: rgba(26, 111, 252, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary-color);
        }
        
        /* 底部 */
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 30px;
            text-align: center;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 40px;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding: 0 20px;
        }
        
        .footer-section h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--accent-color);
        }
        
        .footer-links a {
            display: block;
            color: #ddd;
            text-decoration: none;
            margin-bottom: 10px;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: var(--accent-color);
        }
        
        .copyright {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        
        .social-icons {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 15px;
        }
        
        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: all 0.3s;
        }
        
        .social-icons a:hover {
            background-color: var(--accent-color);
            transform: translateY(-3px);
        }
        
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            font-size: 1.2rem;
            box-shadow: 0 5px 15px rgba(26, 111, 252, 0.3);
            transition: all 0.3s;
            z-index: 999;
        }
        
        .back-to-top:hover {
            background-color: var(--secondary-color);
            transform: translateY(-5px);
        }
        
        /* 数据展示样式 */
        .stats-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 25px;
            margin: 40px 0;
        }
        
        .stat-item {
            background-color: white;
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
        }
        
        .stat-item:hover {
            transform: translateY(-5px);
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .stat-label {
            color: var(--text-light);
            font-size: 1rem;
        }
        
        /* 时间线样式 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 40px auto;
        }
        
        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--accent-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }
        
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }
        
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            background-color: white;
            border: 4px solid var(--primary-color);
            border-radius: 50%;
            top: 15px;
            right: -10px;
            z-index: 1;
        }
        
        .left {
            left: 0;
        }
        
        .right {
            left: 50%;
        }
        
        .right::after {
            left: -10px;
        }
        
        .timeline-content {
            padding: 20px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
        }
        
        /* 表格样式 */
        .info-table {
            width: 100%;
            border-collapse: collapse;
            margin: 30px 0;
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .info-table th, .info-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        
        .info-table th {
            background-color: var(--light-color);
            color: var(--primary-color);
            font-weight: 600;
        }
        
        .info-table tr:hover {
            background-color: #f9f9f9;
        }
        
        /* 图片画廊 */
        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        
        .gallery-item {
            border-radius: 10px;
            overflow: hidden;
            height: 200px;
            position: relative;
        }
        
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .gallery-item:hover img {
            transform: scale(1.1);
        }
        
        .gallery-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(0, 0, 0, 0.7);
            color: white;
            padding: 10px;
            transform: translateY(100%);
            transition: transform 0.3s;
        }
        
        .gallery-item:hover .gallery-caption {
            transform: translateY(0);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            #home h1 {
                font-size: 2.8rem;
            }
            
            .grid {
                grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            }
            
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            
            .timeline-item::after {
                left: 21px;
            }
            
            .left::after, .right::after {
                left: 21px;
            }
            
            .right {
                left: 0;
            }
        }
        
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: white;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                transform: translateY(-150%);
                transition: transform 0.4s ease;
            }
            
            .nav-links.active {
                transform: translateY(0);
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            #home h1 {
                font-size: 2.2rem;
            }
            
            .section-header h2 {
                font-size: 2rem;
            }
            
            .grid {
                grid-template-columns: 1fr;
            }
            
            .home-highlights {
                flex-direction: column;
                align-items: center;
            }
            
            .highlight-item {
                width: 100%;
                max-width: 350px;
            }
            
            .stats-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 480px) {
            #home h1 {
                font-size: 1.8rem;
            }
            
            .section-header h2 {
                font-size: 1.8rem;
            }
            
            section {
                padding: 80px 0 40px;
            }
            
            .stats-container {
                grid-template-columns: 1fr;
            }
        }
        
        /* 动画效果 */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        
        /* 锚点偏移，避免被固定导航栏遮挡 */
        :target {
            scroll-margin-top: 100px;
        }