/* ===== 公共CSS ===== */
        :root {
            --primary-color: #0a2463;
            --secondary-color: #d4af37;
            --accent-color: #1e3a8a;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gray-color: #6c757d;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 导航栏样式 */
        header {
            background-color: rgba(10, 36, 99, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-text {
            color: white;
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(90deg, #ffffff, #d4af37, #ffffff, #d4af37);
            background-size: 300% 100%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: logoGradient 5s infinite linear;
        }
        
        @keyframes logoGradient {
            0% {
                background-position: 0% 50%;
            }
            100% {
                background-position: 300% 50%;
            }
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 25px;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        nav ul li a:hover {
            color: var(--secondary-color);
        }
        
        nav ul li a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary-color);
            transition: var(--transition);
        }
        
        nav ul li a:hover::after {
            width: 100%;
        }
        
        .contact-phone {
            display: flex;
            align-items: center;
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
        }
        
        .contact-phone i {
            margin-right: 8px;
            color: var(--secondary-color);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* 底部样式 */
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            color: var(--secondary-color);
            margin-bottom: 20px;
            font-size: 1.2rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--secondary-color);
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-column ul li a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        
        .contact-info p {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--secondary-color);
            width: 20px;
        }
        
        .qrcode {
            text-align: center;
        }
        
        .qrcode img {
            max-width: 150px;
            height: auto;
            margin-bottom: 10px;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .qrcode p {
            font-size: 0.9rem;
            color: #ddd;
        }
        
        /* 友情链接样式 */
        .friend-links {
            padding: 30px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 20px;
        }
        
        .friend-links h3 {
            color: var(--secondary-color);
            margin-bottom: 20px;
            text-align: center;
            font-size: 1.2rem;
        }
        
        .friend-links-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }
        
        .friend-link {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
            padding: 5px 10px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 4px;
        }
        
        .friend-link:hover {
            color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: translateY(-3px);
        }
        
        .footer-bottom {
            padding-top: 20px;
            text-align: center;
            font-size: 0.9rem;
            color: #aaa;
        }
        
        .footer-bottom a {
            color: var(--secondary-color);
            text-decoration: none;
        }
        
        /* 通用动画效果 */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .slide-in-left {
            opacity: 0;
            transform: translateX(-50px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .slide-in-left.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .slide-in-right {
            opacity: 0;
            transform: translateX(50px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        
        .slide-in-right.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .header-container {
                padding: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            nav {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary-color);
                padding: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            
            nav.active {
                max-height: 500px;
            }
            
            nav ul {
                flex-direction: column;
                padding: 20px 0;
            }
            
            nav ul li {
                margin: 0;
                text-align: center;
            }
            
            nav ul li a {
                display: block;
                padding: 12px 15px;
            }
            
            .contact-phone {
                display: none;
            }
        }
        
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .logo-text {
                font-size: 1.4rem;
            }
        }