/* 公共CSS - 全局样式与特效 */
        :root {
            --primary-color: #0a2463;
            --secondary-color: #d4af37;
            --accent-color: #3e6680;
            --light-color: #f8f9fa;
            --dark-color: #212529;
            --gray-color: #6c757d;
            --light-gray: #e9ecef;
            --transition: all 0.3s ease;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --border-radius: 8px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, 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 20px;
        }

        section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .section-title p {
            font-size: 1.1rem;
            color: var(--gray-color);
            max-width: 700px;
            margin: 0 auto;
        }

        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary-color);
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
        }

        .btn {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            padding: 12px 28px;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--primary-color);
            cursor: pointer;
            font-size: 1rem;
        }

        .btn:hover {
            background-color: transparent;
            color: var(--primary-color);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .btn-secondary {
            background-color: var(--secondary-color);
            border-color: var(--secondary-color);
        }

        .btn-secondary:hover {
            background-color: transparent;
            color: var(--secondary-color);
        }

        /* 导航栏样式 - 更新LOGO渐变效果 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 15px 0;
            transition: var(--transition);
        }

        .header-scrolled {
            padding: 10px 0;
            background-color: rgba(255, 255, 255, 0.98);
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
        }

        /* 文字LOGO循环渐变效果 */
        .logo h1 {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(90deg, 
                var(--primary-color) 0%, 
                var(--secondary-color) 25%, 
                var(--accent-color) 50%, 
                var(--secondary-color) 75%, 
                var(--primary-color) 100%);
            background-size: 200% auto;
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: gradientMove 8s linear infinite;
            padding: 0 5px;
        }

        @keyframes gradientMove {
            0% { background-position: 0% center; }
            100% { background-position: 200% center; }
        }

        .nav-menu {
            display: flex;
            list-style: none;
        }

        .nav-menu li {
            margin-left: 30px;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            position: relative;
        }

        .nav-menu a:hover {
            color: var(--primary-color);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            left: 0;
            bottom: -5px;
            transition: var(--transition);
        }

        .nav-menu a:hover::after {
            width: 100%;
        }

        .phone-link {
            color: var(--primary-color);
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
        }

        .phone-link i {
            margin-right: 8px;
            color: var(--secondary-color);
        }

        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--primary-color);
        }

        /* 页脚样式 */
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 70px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            width: 40px;
            height: 3px;
            background: var(--secondary-color);
            left: 0;
            bottom: 0;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #d1d1d1;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }

        .contact-info {
            display: flex;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .contact-info i {
            color: var(--secondary-color);
            margin-right: 15px;
            margin-top: 5px;
        }

        .qrcode {
            text-align: center;
            margin-top: 15px;
        }

        .qrcode img {
            width: 120px;
            border-radius: var(--border-radius);
            margin-bottom: 10px;
            border: 2px solid rgba(255, 255, 255, 0.1);
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #d1d1d1;
            font-size: 0.9rem;
        }