   /* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
        }
        
        :root {
            --primary: #1a5fb4;
            --primary-dark: #0f4a8d;
            --secondary: #4a9df8;
            --accent: #ff7e5f;
            --accent-light: #ff9c85;
            --light: #f8f9fa;
            --light-gray: #e9ecef;
            --dark: #2d3748;
            --gray: #6c757d;
            --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --shadow: 0 10px 30px rgba(0,0,0,0.08);
            --shadow-hover: 0 20px 40px rgba(0,0,0,0.15);
        }
        
        body {
            color: var(--dark);
            line-height: 1.7;
            overflow-x: hidden;
            background: #fff;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        section {
            padding: 100px 0;
        }
        
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
        }
        
        h2 {
            font-size: 2.8rem;
            text-align: center;
            margin-bottom: 60px;
            position: relative;
            color: var(--primary-dark);
        }
        
        h2:after {
            content: '';
            position: absolute;
            bottom: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }
        
        .section-subtitle {
            text-align: center;
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto 50px;
        }
        
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        
        .btn {
            display: inline-block;
            padding: 14px 35px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-size: 1.1rem;
            box-shadow: 0 5px 15px rgba(42, 107, 179, 0.3);
            position: relative;
            overflow: hidden;
        }
        
        .btn:before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: 0.5s;
        }
        
        .btn:hover:before {
            left: 100%;
        }
        
        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 25px rgba(42, 107, 179, 0.4);
        }
        
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #ff9c85);
            box-shadow: 0 5px 15px rgba(255, 126, 95, 0.3);
        }
        
        .btn-accent:hover {
            box-shadow: 0 15px 25px rgba(255, 126, 95, 0.4);
        }
        
        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
            transition: var(--transition);
            backdrop-filter: blur(10px);
        }
        
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 0;
        }
        
        .logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        
        .logo span {
            color: var(--accent);
        }
        
        .logo i {
            margin-right: 10px;
            font-size: 2.2rem;
        }
        
        .header-phone {
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 5px 15px rgba(42, 107, 179, 0.3);
        }
        
        .header-phone i {
            margin-right: 10px;
            font-size: 1.2rem;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav li {
            margin-left: 30px;
            position: relative;
        }
        
        nav a {
            font-weight: 600;
            font-size: 1.1rem;
            position: relative;
            padding: 5px 0;
        }
        
        nav a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transition: var(--transition);
            border-radius: 2px;
        }
        
        nav a:hover:after {
            width: 100%;
        }
        
        .mobile-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary);
        }
		
		
		      
        /* 底部 */
        footer {
            background: linear-gradient(135deg, #1a365d, #2d3748);
            color: white;
            padding: 80px 0 30px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 50px;
            margin-bottom: 50px;
        }
        
        .footer-column h3 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 12px;
        }
        
        .footer-links a {
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 10px;
        }
        
        .footer-links i {
            margin-right: 10px;
            font-size: 0.9rem;
        }
        
        .contact-info {
            list-style: none;
        }
        
        .contact-info li {
            margin-bottom: 20px;
            display: flex;
            align-items: flex-start;
        }
        
        .contact-info i {
            margin-right: 15px;
            color: var(--accent);
            font-size: 1.2rem;
            margin-top: 5px;
        }
        
        .qrcode {
            text-align: center;
        }
        
        .qrcode img {
            max-width: 160px;
            margin-bottom: 15px;
            border: 8px solid white;
            border-radius: 10px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }
        
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        
        .footer-links-row a {
            color: rgba(255,255,255,0.8);
            transition: var(--transition);
        }
        
        .footer-links-row a:hover {
            color: var(--accent);
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.95rem;
            color: rgba(255,255,255,0.7);
        }
        