/* ===== 公共CSS样式 ===== */
        :root {
            --primary-color: #1a365d;
            --secondary-color: #d4af37;
            --accent-color: #2d3748;
            --light-color: #f7fafc;
            --dark-color: #2d3748;
            --text-color: #333;
            --text-light: #718096;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --shadow-hover: 0 10px 20px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-color);
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background: var(--secondary-color);
        }
        
        .section-title p {
            color: var(--text-light);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--secondary-color);
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .btn:hover {
            background: #b8941f;
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary-color);
            color: var(--secondary-color);
        }
        
        .btn-outline:hover {
            background: var(--secondary-color);
            color: white;
        }
        
        /* ===== 导航栏样式 ===== */
        header {
            background: rgba(26, 54, 93, 0.95);
            position: fixed;
            width: 100%;
            z-index: 1000;
            box-shadow: var(--shadow);
            transition: var(--transition);
            top: 0;
        }
        
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-text {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            position: relative;
            background: linear-gradient(45deg, #fff, #d4af37, #fff);
            background-size: 200% 200%;
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: logoGradient 3s ease infinite;
        }
        
        @keyframes logoGradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .nav-menu {
            display: flex;
        }
        
        .nav-menu li {
            margin-left: 30px;
        }
        
        .nav-menu a {
            color: white;
            font-weight: 500;
            position: relative;
            padding: 5px 0;
        }
        
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: var(--transition);
        }
        
        .nav-menu 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-toggle {
            display: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* ===== 底部样式 ===== */
        footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--secondary-color);
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--secondary-color);
        }
        
                .footer-column img {
            width: 100%;
            
        
        }
        
        
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #cbd5e0;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        
        .contact-info li {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
        }
        
        .contact-info i {
            color: var(--secondary-color;
            margin-right: 10px;
            margin-top: 5px;
        }
        
        .qr-code {
            text-align: center;
        }
        
        .qr-code img {
            max-width: 150px;
            margin-bottom: 10px;
            border-radius: 8px;
        }
        
        .friend-links {
            text-align: center;
            margin-bottom: 30px;
            padding: 20px 0;
            border-top: 1px solid #4a5568;
            border-bottom: 1px solid #4a5568;
        }
        
        .friend-links h3 {
            color: var(--secondary-color);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        
        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }
        
        .friend-links-list a {
            color: #cbd5e0;
            transition: var(--transition);
        }
        
        .friend-links-list a:hover {
            color: var(--secondary-color);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        
        /* ===== 公共响应式样式 ===== */
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 70px);
                background: var(--primary-color);
                flex-direction: column;
                align-items: center;
                padding-top: 40px;
                transition: var(--transition);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 0 0 30px 0;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .friend-links-list {
                flex-direction: column;
                gap: 10px;
            }
        }
        
        @media (max-width: 576px) {
            .section {
                padding: 50px 0;
            }
        }