/* 公共CSS - 导航与底部 */
        :root {
            --primary-color: #1a3a5f;
            --secondary-color: #2c5aa0;
            --accent-color: #ff6b35;
            --light-color: #f8f9fa;
            --dark-color: #333;
            --text-color: #444;
            --transition: all 0.4s 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;
        }
        
        /* 导航栏样式 */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
            z-index: 1000;
            transition: var(--transition);
        }
        
        .navbar-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px 20px;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-text {
            font-size: 24px;
            font-weight: 700;
            background: linear-gradient(45deg, #1a3a5f, #2c5aa0, #ff6b35, #1a3a5f);
            background-size: 400% 400%;
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            animation: gradientShift 4s ease infinite;
        }
        
        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-item {
            margin-left: 25px;
        }
        
        .nav-link {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            transition: var(--transition);
        }
        
        .nav-link:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        
        .nav-link:hover {
            color: var(--accent-color);
        }
        
        .nav-link:hover:after {
            width: 100%;
        }
        
        .phone-number {
            font-weight: 700;
            color: var(--accent-color);
            font-size: 18px;
        }
        
        .mobile-menu-btn {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--primary-color);
        }
        
        /* 底部样式 */
        .footer {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0 20px;
        }
        
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        
        .footer-section h3 {
            font-size: 18px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-section h3:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 2px;
            background-color: var(--accent-color);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--accent-color);
            padding-left: 5px;
        }
        
        .contact-info {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--accent-color);
        }
        
        .qrcode {
            width: 120px;
            height: 120px;
            background-color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 5px;
            margin-top: 10px;
        }
		
		        .qrcode img {
            width: 100%; 
            height: 100%;  }
        
        .qrcode span {
            color: var(--dark-color);
            font-size: 12px;
            text-align: center;
        }
        
        .footer-bottom {
            max-width: 1200px;
            margin: 40px auto 0;
            padding: 20px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .copyright {
            font-size: 14px;
            color: #aaa;
        }
        
        .friend-links {
            display: flex;
            flex-wrap: wrap;
        }
        
        .friend-links a {
            color: #aaa;
            text-decoration: none;
            margin-left: 15px;
            font-size: 14px;
            transition: var(--transition);
        }
        
        .friend-links a:hover {
            color: var(--accent-color);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                flex-direction: column;
                background-color: white;
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
                padding: 20px 0;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-item {
                margin: 15px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            
            .friend-links {
                margin-top: 15px;
                justify-content: center;
            }
            
            .friend-links a {
                margin: 0 8px;
            }
        }
        
        @media (max-width: 576px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }