@charset "utf-8";
/* CSS Document */
        /* CSS变量定义 - 主色调为蓝色 */
        :root {
            /* 主色调 */
            --primary-color: #1a73e8;
            --primary-dark: #0d62c9;
            --primary-light: #4d8df0;
            
            /* 套餐区块顶部颜色 */
            --package-header-1: #4285f4;
            --package-header-2: #34a853;
            --package-header-3: #ea4335;
            
            /* 优势区块颜色 */
            --advantage-1: #4285f4;
            --advantage-2: #34a853;
            --advantage-3: #ea4335;
            --advantage-4: #fbbc05;
            --advantage-5: #673ab7;
            
            /* 辅助色 */
            --secondary-color: #ff6b6b;
            --accent-color: #4dd599;
            
            /* 文本颜色 */
            --text-dark: #333333;
            --text-medium: #666666;
            --text-light: #999999;
            
            /* 背景色 */
            --bg-light: #f8fbff;
            --bg-white: #ffffff;
            --bg-gray: #f0f5fa;
            
            /* 边框 */
            --border-color: #e0e9f3;
            
            /* 阴影 */
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);
            
            /* 圆角 */
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 16px;
            
            /* 间距 */
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-xxl: 64px;
            
            /* 字体 */
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        }

        /* 全局样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: var(--font-main);
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--bg-white);
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        img {
            max-width: 100%;
            display: block;
        }

        .container {
            width: 100%;
            max-width: 1440px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        section {
            padding: var(--space-xl) 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: var(--space-xl);
        }

        .section-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: var(--space-sm);
        }

        .section-title p {
            font-size: 1.25rem;
            color: var(--text-medium);
            max-width: 720px;
            margin: 0 auto;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--primary-color);
            color: white;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid #ccc;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary-color);
            color: var(--primary-color);
        }

        .btn-outline:hover {
            background-color: var(--primary-color);
            color: white;
        }

        /* 页眉样式 */
        header {
            background-color: var(--bg-white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--space-sm) 0;
        }


.logo {
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

.logo a {
    display: block;
    text-decoration: none;
}

.logo-img {
    height: 50px; /* 默认高度 */
    width: auto; /* 宽度自适应 */
    transition: all 0.3s ease;
    object-fit: contain;
}

        /* 导航菜单 - 桌面端 */
        .nav-desktop {
            display: flex;
            gap: var(--space-lg);
        }

        .nav-desktop a {
            font-weight: 500;
            position: relative;
            padding: 8px 0;
        }

        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }

        .nav-desktop a:hover::after,
        .nav-desktop a.active::after {
            width: 100%;
        }

        /* 汉堡菜单 */
        .hamburger {
            display: none;
            cursor: pointer;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-color);
            z-index: 1002;
        }

        /* 移动端导航菜单 */
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -300px;
            width: 200px;
            height: 100%;
            background-color: white;
            box-shadow: -5px 0 15px rgba(0,0,0,0.1);
            z-index: 1001;
            transition: right 0.3s ease;
            padding-top: 60px;
            overflow-y: auto;
        }

        .mobile-nav.active {
            right: 0;
        }

        .mobile-nav a {
            display: block;
            padding: 15px 20px;
            border-bottom: 1px solid var(--border-color);
            font-weight: 500;
            transition: background-color 0.2s;
        }

        .mobile-nav a:hover {
            background-color: var(--bg-light);
        }

        .mobile-nav-close {
            position: absolute;
            top: 15px;
            right: 15px;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* 横幅区域 */
        .hero {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
            padding: var(--space-xxl) 0;
            color: white;
            text-align: center;
        }

        .hero-content {
            max-width: 820px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 700;
            margin-bottom: var(--space-md);
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.25rem;
            margin-bottom: var(--space-lg);
            opacity: 0.9;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: var(--space-md);
            margin-top: var(--space-xl);
        }

        /* 公司简介区域 */
        .about-content {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: var(--space-lg);
        }

        .gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }

        .gallery-item {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 200px;
            box-shadow: var(--shadow);
        }

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .gallery-item:hover img {
            transform: scale(1.05);
        }

        /* 服务套餐区域 */
        .packages {
            background-color: var(--bg-light);
        }

        .packages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-lg);
        }

        .package-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 0;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .package-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-hover);
        }

        .package-card.popular::before {
            content: '最受欢迎';
            position: absolute;
            top: 15px;
            right: -30px;
            background-color: var(--secondary-color);
            color: white;
            padding: 5px 30px;
            font-size: 0.8rem;
            font-weight: 600;
            transform: rotate(45deg);
            z-index: 1;
        }

        .package-header {
            text-align: center;
            padding: var(--space-md) 0;
            color: white;
        }

        .package-card:nth-child(1) .package-header {
            background-color: var(--package-header-1);
        }
        
        .package-card:nth-child(2) .package-header {
            background-color: var(--package-header-2);
        }
        
        .package-card:nth-child(3) .package-header {
            background-color: var(--package-header-3);
        }

        .package-price {
            font-size: 2.5rem;
            font-weight: 700;
            margin: var(--space-sm) 0;
        }

        .package-price span {
            font-size: 1rem;
            color: rgba(255,255,255,0.8);
        }

        .package-features {
            list-style: none;
            margin-bottom: var(--space-lg);
            padding: var(--space-md);
        }

        .package-features li {
            padding: 12px 10px;
            display: flex;
            align-items: center;
            border-radius: var(--radius-sm);
            transition: all 0.2s;
        }

        .package-features li:nth-child(odd) {
            background-color: rgba(0,0,0,0.03);
        }

        .package-features li:hover {
            background-color: rgba(0,0,0,0.05);
        }

        .package-features li i {
            margin-right: var(--space-xs);
            width: 20px;
            text-align: center;
        }

        .package-features li .fa-check {
            color: var(--accent-color);
        }

        .package-features li .fa-times {
            color: var(--text-light);
        }

        .package-button {
            text-align: center;
            padding: 0 var(--space-md) var(--space-md);
        }

        /* 服务项目 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--space-lg);
        }

        .service-card {
            text-align: center;
            padding: var(--space-lg);
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .service-icon {
            width: 80px;
            height: 80px;
            background-color: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-md);
        }

        .service-icon i {
            font-size: 2rem;
            color: var(--primary-color);
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: var(--space-sm);
        }

        /* 优势区域 */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: var(--space-lg);
            padding: var(--space-lg);
            border-radius: var(--radius-lg);
        }

        .advantage-card {
            text-align: center;
            padding: var(--space-lg) var(--space-md);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .advantage-card:nth-child(1) {
            background-color: rgba(66, 133, 244, 0.1);
            border-top: 4px solid var(--advantage-1);
        }
        
        .advantage-card:nth-child(2) {
            background-color: rgba(52, 168, 83, 0.1);
            border-top: 4px solid var(--advantage-2);
        }
        
        .advantage-card:nth-child(3) {
            background-color: rgba(234, 67, 53, 0.1);
            border-top: 4px solid var(--advantage-3);
        }
        
        .advantage-card:nth-child(4) {
            background-color: rgba(251, 188, 5, 0.1);
            border-top: 4px solid var(--advantage-4);
        }
        
        .advantage-card:nth-child(5) {
            background-color: rgba(103, 58, 183, 0.1);
            border-top: 4px solid var(--advantage-5);
        }

        .advantage-icon {
            width: 60px;
            height: 60px;
            background-color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--space-md);
            font-size: 1.5rem;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
        }

        .advantage-card:nth-child(1) .advantage-icon {
            color: var(--advantage-1);
        }
        
        .advantage-card:nth-child(2) .advantage-icon {
            color: var(--advantage-2);
        }
        
        .advantage-card:nth-child(3) .advantage-icon {
            color: var(--advantage-3);
        }
        
        .advantage-card:nth-child(4) .advantage-icon {
            color: var(--advantage-4);
        }
        
        .advantage-card:nth-child(5) .advantage-icon {
            color: var(--advantage-5);
        }

        .advantage-card h3 {
            margin-bottom: var(--space-xs);
        }

        /* 成功案例区域 */
        .cases {
            background-color: var(--bg-gray);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: var(--space-lg);
        }

        .case-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .case-image {
            position: relative;
            padding-top: 75%; /* 4:3 比例 */
            overflow: hidden;
        }

        .case-image img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-image img {
            transform: scale(1.05);
        }

        .case-content {
            padding: var(--space-md);
            text-align: center;
            transition: background-color 0.3s;
        }

        .case-card:hover .case-content {
            background-color: rgba(26, 115, 232, 0.05);
        }

        .case-content h3 {
            font-size: 1.25rem;
            margin-bottom: var(--space-xs);
        }

        .case-content a {
            color: var(--text-dark);
            display: block;
        }

        .case-content a:link,
        .case-content a:visited {
            color: var(--text-dark);
        }

        .case-content a:hover {
            color: var(--primary-color);
        }

        .case-content a:active {
            color: var(--primary-dark);
        }

        /* 新闻区域 */
        .news-container {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--space-lg);
        }

        .news-column h3 {
            font-size: 1.5rem;
            margin-bottom: var(--space-md);
            padding-bottom: var(--space-sm);
            border-bottom: 2px solid var(--primary-color);
        }

        .news-list {
            list-style: none;
        }

        .news-list li {
            padding: var(--space-sm) 0;
            border-bottom: 1px solid var(--border-color);
        }

        .news-list li:last-child {
            border-bottom: none;
        }

        .news-list a {
            display: flex;
            align-items: center;
            font-weight: 500;
        }

        .news-list a:link,
        .news-list a:visited {
            color: var(--text-dark);
        }

        .news-list a:hover {
            color: var(--primary-color);
        }

        .news-list a:active {
            color: var(--primary-dark);
        }

        .news-list i {
            margin-right: var(--space-xs);
            color: var(--primary-color);
        }

        /* 联系区域 */
        .contact {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-color) 100%);
            color: white;
            text-align: center;
            padding: var(--space-xl) 0;
        }

        .contact-info {
            max-width: 800px;
            margin: 0 auto;
            font-size: 1.2rem;
            line-height: 1.8;
        }

        .contact-info p {
            margin-bottom: var(--space-md);
        }

        .contact-info .highlight {
            font-weight: 600;
            font-size: 1.3rem;
            color: white;
            background: rgba(0,0,0,0.1);
            padding: 5px 15px;
            border-radius: 30px;
            display: inline-block;
        }

        /* 页脚 */
        footer {
            background-color: var(--text-dark);
            color: white;
            padding: var(--space-xl) 0 0;
        }

        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--space-xl);
            padding-bottom: var(--space-xl);
        }

        .footer-col h3 {
            font-size: 1.25rem;
            margin-bottom: var(--space-md);
            position: relative;
            padding-bottom: var(--space-sm);
        }

        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary-color);
        }

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

        .footer-contact li {
            margin-bottom: var(--space-sm);
            display: flex;
            align-items: center;
        }

        .footer-contact i {
            margin-right: var(--space-sm);
            color: var(--primary-color);
            width: 20px;
        }

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

        .footer-links li {
            margin-bottom: var(--space-sm);
        }

        .footer-links a {
            display: flex;
            align-items: center;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: var(--primary-color);
        }

        .footer-links i {
            margin-right: var(--space-xs);
        }

        .qrcode {
            text-align: center;
            margin-top: var(--space-md);
        }

        .qrcode img {
            max-width: 120px;
            margin: 0 auto;
            border: 3px solid white;
            border-radius: var(--radius-md);
        }

        .qrcode p {
            margin-top: var(--space-xs);
            font-size: 0.9rem;
        }

        .copyright {
            text-align: center;
            padding: var(--space-md) 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .friend-links {
            padding: var(--space-md) 0;
            text-align: center;
        }

        .friend-links a {
            color: rgba(255,255,255,0.8);
            margin: 0 var(--space-sm);
            transition: color 0.3s;
        }

        .friend-links a:hover {
            color: var(--primary-color);
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .section-title h2 {
                font-size: 2rem;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: var(--space-lg) 0;
            }
            
            .section-title {
                margin-bottom: var(--space-lg);
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .section-title p {
                font-size: 1.1rem;
            }
            
            .hero {
                padding: var(--space-xl) 0;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .hero-buttons {
                flex-direction: column;
                gap: var(--space-sm);
                align-items: center;
            }
            
            .news-container {
                grid-template-columns: 1fr;
                gap: var(--space-xl);
            }
            
            .nav-desktop {
                display: none;
            }
            
            .hamburger {
                display: block;
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .package-price {
                font-size: 2rem;
            }
            
            .hero h1 {
                font-size: 1.8rem;
            }
            
            .btn {
                width: 100%;
                text-align: center;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }

            .advantages-grid {
                grid-template-columns: 1fr;
            }
        }