/* 公共CSS变量定义 */
        :root {
            --primary-color: #1a4b8c;
            --secondary-color: #2e7d32;
            --accent-color: #ff9800;
            --light-color: #f5f9ff;
            --dark-color: #333;
            --text-color: #444;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            line-height: 1.6;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--primary-color);
            color: white;
            border-radius: 4px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

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

        .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: 4px;
            background: var(--accent-color);
            border-radius: 2px;
        }

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

        /* 导航栏样式 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            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 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
            background: linear-gradient(45deg, var(--primary-color), #ff6b00, #ff9800);
            background-size: 300% 300%;
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            animation: gradientShift 5s ease infinite;
        }

        @keyframes gradientShift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .nav-menu {
            display: flex;
        }

        .nav-menu li {
            margin: 0 15px;
            position: relative;
        }

        .nav-menu a {
            font-weight: 600;
            padding: 5px 0;
            transition: var(--transition);
            color: var(--dark-color);
        }

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

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

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

        .phone-number {
            display: flex;
            align-items: center;
            font-weight: 700;
            color: var(--primary-color);
            font-size: 1.1rem;
            padding: 8px 15px;
            border-radius: 30px;
            background: rgba(26, 75, 140, 0.1);
            transition: var(--transition);
            animation: phonePulse 2s infinite;
        }

        @keyframes phonePulse {
            0% { box-shadow: 0 0 0 0 rgba(26, 75, 140, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(26, 75, 140, 0); }
            100% { box-shadow: 0 0 0 0 rgba(26, 75, 140, 0); }
        }

        .phone-number:hover {
            transform: scale(1.05);
            background: rgba(26, 75, 140, 0.2);
        }

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

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* 底部样式 */
        footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
        }

        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

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

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

        .footer-col p {
            margin-bottom: 15px;
            opacity: 0.8;
        }

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

        .footer-links a {
            opacity: 0.8;
            transition: var(--transition);
        }

        .footer-links a:hover {
            opacity: 1;
            color: var(--accent-color);
            padding-left: 5px;
        }

        .contact-info li {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }

        .contact-info i {
            margin-right: 10px;
            color: var(--accent-color);
            width: 20px;
        }

        .qrcode {
            text-align: center;
        }

        .qrcode img {
            max-width: 150px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-links-row {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin: 15px 0;
        }

        .footer-links-row a {
            margin: 0 10px;
            opacity: 0.8;
            transition: var(--transition);
        }

        .footer-links-row a:hover {
            opacity: 1;
            color: var(--accent-color);
        }

        /* 公共部分响应式设计 */
        @media (max-width: 992px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 70px);
                background: white;
                flex-direction: column;
                padding: 30px;
                box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
                transition: var(--transition);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 15px 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
        }

        @media (max-width: 576px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }