/* ===== 公共CSS ===== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
        }
        
        :root {
            --primary-color: #1a73e8;
            --secondary-color: #34a853;
            --accent-color: #fbbc05;
            --accent-alt: #ea4335;
            --light-color: #f8f9fa;
            --dark-color: #202124;
            --text-color: #333;
            --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            --gradient-alt: linear-gradient(135deg, var(--accent-color), var(--accent-alt));
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            line-height: 1.6;
            color: var(--text-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 导航栏样式 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px 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;
            color: var(--dark-color);
            text-decoration: none;
        }
        
        .logo-text {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            position: relative;
            background: var(--gradient);
            background-clip: text;
            -webkit-background-clip: text;
            color: transparent;
            animation: logoPulse 2s infinite alternate;
        }
        
        @keyframes logoPulse {
            0% { transform: scale(1); }
            100% { transform: scale(1.05); }
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 25px;
            position: relative;
        }
        
        nav ul li a {
            color: var(--dark-color);
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }
        
        nav ul li a:hover {
            color: var(--primary-color);
        }
        
        nav ul li a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 0;
            background: var(--gradient);
            transition: var(--transition);
            border-radius: 2px;
        }
        
        nav ul li a:hover:after {
            width: 100%;
        }
        
        .phone-number {
            color: var(--dark-color);
            font-weight: 700;
            display: flex;
            align-items: center;
            background: var(--gradient);
            padding: 8px 15px;
            border-radius: 30px;
            color: white;
            box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
            transition: var(--transition);
        }
        
        .phone-number:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
        }
        
        .phone-number i {
            margin-right: 8px;
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--dark-color);
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .mobile-menu-btn:hover {
            color: var(--primary-color);
        }
        
        /* 底部样式 */
        footer {
            background: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
            position: relative;
            overflow: hidden;
        }
        
        footer:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient);
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        
        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: white;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-section h3:after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 3px;
            background: var(--gradient);
            border-radius: 2px;
        }
        
        .footer-section ul {
            list-style: none;
        }
        
        .footer-section ul li {
            margin-bottom: 12px;
        }
        
        .footer-section ul li a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
            display: inline-block;
        }
        
        .footer-section ul li a:hover {
            color: var(--accent-color);
            transform: translateX(5px);
        }
        
        .contact-info p {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--accent-color);
            width: 20px;
        }
        
        .qrcode {
            text-align: center;
        }
        
        .qrcode img {
            max-width: 150px;
            margin-bottom: 10px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .copyright {
            text-align: center;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 15px;
        }
        
        .friend-links a {
            color: #aaa;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .friend-links a:hover {
            color: var(--accent-color);
        }
        
		
		    .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--gradient);
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
            position: relative;
            overflow: hidden;
        }
        
        .btn:after {
            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 {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
        }
        
        .btn:hover:after {
            left: 100%;
        }