/* 载入弹窗样式 */
        .loading-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            opacity: 1;
            transition: opacity 0.5s ease;
        }
        
        .loading-modal.hidden {
            opacity: 0;
            pointer-events: none;
        }
        
        .modal-content {
            background: white;
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            max-width: 400px;
            width: 90%;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            animation: modalAppear 0.5s ease;
        }
        
        @keyframes modalAppear {
            from {
                transform: scale(0.8);
                opacity: 0;
            }
            to {
                transform: scale(1);
                opacity: 1;
            }
        }
        
        .modal-content h2 {
            color: #2c3e50;
            margin-bottom: 20px;
            font-size: 1.8rem;
        }
        
        .modal-content p {
            margin-bottom: 25px;
            color: #555;
            font-size: 1.1rem;
        }
        
        .modal-btn {
            background: linear-gradient(to right, #3498db, #2ecc71);
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }
        
        .modal-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
        }
        
        /* 基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', Arial, sans-serif;
        }
        
        body {
            line-height: 1.6;
            color: #333;
            background-color: #f9f9f9;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 60px 0;
        }
        
        h2 {
            text-align: center;
            margin-bottom: 40px;
            font-size: 2.2rem;
            color: #2c3e50;
            position: relative;
        }
        
        h2::after {
            content: '';
            display: block;
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, #3498db, #2ecc71);
            margin: 10px auto;
            border-radius: 2px;
        }
        
        /* 导航栏样式 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            cursor: pointer;
            background: linear-gradient(45deg, #3498db, #2ecc71);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
            padding: 5px 10px;
            border-radius: 5px;
        }
        
        .logo:hover {
            transform: scale(1.05);
            text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.2);
            background: linear-gradient(45deg, #2ecc71, #3498db);
            -webkit-background-clip: text;
            background-clip: text;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }
        
        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background-color: #3498db;
            transition: width 0.3s;
        }
        
        .nav-links a:hover::after {
            width: 100%;
        }
        
        .nav-links a:hover {
            color: #3498db;
        }
        
        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #3498db;
        }
        
        /* 横幅区域 */
        .banner {
            background: linear-gradient(135deg, #3498db, #2ecc71);
            color: white;
            text-align: center;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,192C1248,192,1344,128,1392,96L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
            background-size: cover;
            background-position: center;
        }
        
        .banner-content {
            position: relative;
            z-index: 1;
        }
        
        .banner h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
        }
        
        .banner p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        
        .btn {
            display: inline-block;
            background: white;
            color: #3498db;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
        }
        
        /* 产品介绍 */
        .products {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }
        
        .product-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s, box-shadow 0.3s;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 20px rgba(0, 0, 0, 0.12);
        }
        
        .product-img {
            height: 160px;
            background: linear-gradient(135deg, #3498db, #2ecc71);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 3rem;
        }
        
        .product-content {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .product-content h3 {
            margin-bottom: 10px;
            color: #2c3e50;
            font-size: 1.4rem;
        }
        
        .product-content p {
            margin-bottom: 15px;
            color: #7f8c8d;
            flex-grow: 1;
        }
        
        .product-link {
            color: #3498db;
            text-decoration: none;
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            margin-top: auto;
            word-break: break-all;
        }
        
        .product-link::after {
            content: '→';
            margin-left: 5px;
            transition: transform 0.3s;
        }
        
        .product-link:hover::after {
            transform: translateX(5px);
        }
        
        /* 人员介绍 */
        .team {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .member-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            text-align: center;
            padding: 25px 20px;
            transition: transform 0.3s;
        }
        
        .member-card:hover {
            transform: translateY(-5px);
        }
        
        .member-avatar {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3498db, #2ecc71);
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .member-info h3 {
            margin-bottom: 5px;
            color: #2c3e50;
        }
        
        .member-position {
            color: #7f8c8d;
            margin-bottom: 15px;
            font-size: 0.9rem;
        }
        
        .member-email {
            color: #3498db;
            text-decoration: none;
            font-size: 0.9rem;
        }
        
        .member-email:hover {
            text-decoration: underline;
        }
        
        /* 公告区域 */
        .announcements {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .announcement-card {
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            padding: 20px;
            display: flex;
            align-items: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .announcement-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
        }
        
        .announcement-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3498db, #2ecc71);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .announcement-content {
            flex-grow: 1;
        }
        
        .announcement-title {
            font-size: 1.2rem;
            color: #2c3e50;
            margin-bottom: 5px;
        }
        
        .announcement-date {
            color: #7f8c8d;
            font-size: 0.9rem;
        }
        
        .announcement-link {
            background: linear-gradient(135deg, #3498db, #2ecc71);
            color: white;
            padding: 8px 20px;
            border-radius: 20px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
            white-space: nowrap;
            flex-shrink: 0;
        }
        
        .announcement-link:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        }
        
        /* 友情链接 */
        .links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .link-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            text-align: center;
            padding: 25px 20px;
            transition: transform 0.3s;
        }
        
        .link-card:hover {
            transform: translateY(-5px);
        }
        
        .link-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3498db, #2ecc71);
            margin: 0 auto 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.8rem;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        
        .link-info h3 {
            margin-bottom: 10px;
            color: #2c3e50;
        }
        
        .link-info p {
            color: #7f8c8d;
            margin-bottom: 15px;
            font-size: 0.9rem;
        }
        
        .link-btn {
            display: inline-block;
            background: #3498db;
            color: white;
            padding: 8px 20px;
            border-radius: 20px;
            text-decoration: none;
            font-size: 0.9rem;
            transition: background 0.3s;
        }
        
        .link-btn:hover {
            background: #2980b9;
        }
        
        /* 版权信息 */
        footer {
            background: #2c3e50;
            color: white;
            text-align: center;
            padding: 40px 0;
        }
        
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
        }
        
        .social-links a {
            color: white;
            font-size: 1.2rem;
            transition: color 0.3s;
        }
        
        .social-links a:hover {
            color: #3498db;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
                transform: translateY(-150%);
                transition: transform 0.3s;
            }
            
            .nav-links.active {
                transform: translateY(0);
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .banner h1 {
                font-size: 2.2rem;
            }
            
            .banner p {
                font-size: 1rem;
            }
            
            h2 {
                font-size: 1.8rem;
            }
            
            .products {
                grid-template-columns: 1fr;
            }
            
            .announcement-card {
                flex-direction: column;
                text-align: center;
                gap: 15px;
            }
            
            .announcement-number {
                margin-right: 0;
            }
        }