/* ===== 公共CSS样式 ===== */
        :root {
            --primary-color: #0a2463;
            --secondary-color: #d4af37;
            --accent-color: #1e3a8a;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --text-color: #333;
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            overflow-x: hidden;
            background-color: #f5f7fa;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 导航栏样式 */
        header {
            background: linear-gradient(135deg, rgba(10, 36, 99, 0.95), rgba(30, 58, 138, 0.95));
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            position: relative;
        }
        
        .logo-text {
            font-size: 24px;
            font-weight: 700;
            color: white;
            text-decoration: none;
            position: relative;
            overflow: hidden;
            padding: 5px 10px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
            background-size: 200% 100%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: logoGradient 4s linear infinite;
        }
        
        @keyframes logoGradient {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-item {
            margin-left: 30px;
            position: relative;
        }
        
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        
        .nav-link:hover {
            color: var(--secondary-color);
        }
        
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--secondary-color), transparent);
            transition: var(--transition);
        }
        
        .nav-link:hover::after {
            width: 100%;
        }
        
        .phone-number {
            color: white;
            font-weight: 600;
            display: flex;
            align-items: center;
            background: rgba(212, 175, 55, 0.2);
            padding: 8px 15px;
            border-radius: 30px;
            transition: var(--transition);
        }
        
        .phone-number:hover {
            background: rgba(212, 175, 55, 0.3);
            transform: translateY(-2px);
        }
        
        .phone-number i {
            margin-right: 8px;
            color: var(--secondary-color);
        }
        
        .hamburger {
            display: none;
            cursor: pointer;
        }
        
        .bar {
            display: block;
            width: 25px;
            height: 3px;
            margin: 5px auto;
            background-color: white;
            transition: var(--transition);
        }
        
        /* 底部样式 */
        footer {
            background: linear-gradient(135deg, var(--dark-color), #111);
            color: white;
            padding: 60px 0 20px;
            position: relative;
            overflow: hidden;
        }
        
        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--primary-color));
            animation: footerLine 8s linear infinite;
        }
        
        @keyframes footerLine {
            0% { background-position: 0 0; }
            100% { background-position: 200% 0; }
        }
        
        .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: 18px;
            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-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
            position: relative;
            padding-left: 15px;
        }
        
        .footer-links li::before {
            content: '›';
            position: absolute;
            left: 0;
            color: var(--secondary-color);
        }
        
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        
        .contact-info {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .contact-info i {
            color: var(--secondary-color);
            margin-right: 10px;
            width: 20px;
        }
        
        .qrcode {
            text-align: center;
        }
        
        .qrcode img {
            max-width: 120px;
            margin-bottom: 10px;
            border: 1px solid #444;
            border-radius: 10px;
        }
        
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 10px;
        }
        
        .friend-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
            padding: 5px 10px;
            border: 1px solid #444;
            border-radius: 20px;
            font-size: 14px;
        }
        
        .friend-links a:hover {
            color: var(--secondary-color);
            border-color: var(--secondary-color);
            transform: translateY(-2px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #999;
            font-size: 14px;
        }