/* 公共CSS - 导航与底部 */
        :root {
            --primary-color: #1a3a5f;
            --secondary-color: #2c5aa0;
            --accent-color: #4a9fe3;
            --highlight-color: #ff6b6b;
            --light-color: #f8f9fa;
            --dark-color: #333;
            --gradient: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--highlight-color));
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.15);
        }
        
        * {
            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(--dark-color);
            background-color: #fff;
            overflow-x: hidden;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 创意导航栏样式 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        
        .header-scrolled {
            padding: 10px 0;
            background-color: rgba(255, 255, 255, 0.98);
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo-text {
            font-size: 24px;
            font-weight: 700;
            background: var(--gradient);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            position: relative;
            padding: 5px 10px;
            overflow: hidden;
        }
        
        .logo-text::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
            transition: left 0.5s;
        }
        
        .logo:hover .logo-text::before {
            left: 100%;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
            position: relative;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark-color);
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
            padding: 5px 0;
        }
        
        .nav-links a::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-accent);
            transition: width 0.3s ease;
        }
        
        .nav-links a:hover::before {
            width: 100%;
        }
        
        .phone-number {
            display: flex;
            align-items: center;
            font-weight: 700;
            color: var(--primary-color);
            background: var(--light-color);
            padding: 8px 15px;
            border-radius: 30px;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }
        
        .phone-number:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-heavy);
        }
        
        .phone-number i {
            margin-right: 8px;
            color: var(--accent-color);
        }
        
        .mobile-menu {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* 创意底部样式 */
        footer {
            background: var(--gradient);
            color: white;
            padding: 60px 0 20px;
            position: relative;
            overflow: hidden;
        }
        
        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,128L48,117.3C96,107,192,85,288,101.3C384,117,480,171,576,170.7C672,171,768,117,864,101.3C960,85,1056,107,1152,122.7C1248,139,1344,149,1392,154.7L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
            background-size: cover;
            background-position: center;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
            position: relative;
            z-index: 1;
        }
        
        .footer-section h3 {
            font-size: 18px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-section h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--highlight-color);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s ease;
            display: inline-block;
            transform: translateX(0);
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover {
            color: white;
            transform: translateX(5px);
        }
        
        .contact-info {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--highlight-color);
        }
        
        .qrcode {
            text-align: center;
        }
        
        .qrcode img {
            max-width: 120px;
            border-radius: 5px;
            margin-bottom: 10px;
            box-shadow: var(--shadow);
        }
        
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 10px;
        }
        
        .friend-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color 0.3s ease;
            padding: 5px 10px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 3px;
        }
        
        .friend-links a:hover {
            color: white;
            background: rgba(255, 255, 255, 0.2);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            position: relative;
            z-index: 1;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .nav-links {
                display: none;
            }
            
            .mobile-menu {
                display: block;
            }
            
            .navbar {
                position: relative;
            }
            
            .nav-links.active {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: white;
                box-shadow: var(--shadow-heavy);
                padding: 20px;
            }
            
            .nav-links.active li {
                margin: 10px 0;
            }
        }
        
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }