* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Noto Sans SC', 'Microsoft YaHei', '微软雅黑', sans-serif;
        }
        
        :root {
            --primary: #3a7bd5;
            --primary-dark: #2c3e50;
            --secondary: #00d2ff;
            --accent: #6c5ce7;
            --text: #2d3436;
            --light-text: #636e72;
            --background: #f8f9fa;
            --card-bg: #ffffff;
            --border-radius: 12px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        
        body {
            background-color: var(--background);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            color: white;
            text-align: center;
            padding: 100px 20px 80px;
            margin-bottom: 60px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }
        
        header::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" width="100" height="100" viewBox="0 0 100 100"><circle cx="12" cy="12" r="8" fill="rgba(255,255,255,0.05)"/></svg>');
            opacity: 0.5;
        }
        
        h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            letter-spacing: 3px;
            position: relative;
            display: inline-block;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            animation: fadeInDown 1s ease-out;
        }
        
        h1::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: white;
            border-radius: 2px;
        }
        
        .tagline {
            font-size: 1.3rem;
            font-weight: 300;
            opacity: 0.9;
            margin-bottom: 40px;
            animation: fadeIn 1.2s ease-out;
        }
        
        .services {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
            margin-bottom: 80px;
        }
        
        .service-card {
            background-color: var(--card-bg);
            padding: 40px 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            z-index: 1;
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            z-index: -1;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
        }
        
        .service-card i {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        
        .service-card h3 {
            color: var(--primary-dark);
            margin-bottom: 20px;
            font-size: 1.6rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .service-card h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 3px;
        }
        
        .service-list {
            padding-left: 0;
            margin-top: 15px;
            list-style-type: none;
        }
        
        .service-list li {
            margin-bottom: 12px;
            position: relative;
            padding-left: 28px;
            color: var(--light-text);
            transition: var(--transition);
        }
        
        .service-list li:before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 3px;
            color: var(--accent);
            font-size: 0.9rem;
        }
        
        .service-list li:hover {
            color: var(--text);
            transform: translateX(5px);
        }
        
        footer {
            text-align: center;
            padding: 50px 0 30px;
            margin-top: 60px;
            color: var(--light-text);
            border-top: 1px solid rgba(0, 0, 0, 0.05);
            position: relative;
        }
        
        footer::before {
            content: '';
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background: var(--card-bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
        }
        
        footer::after {
            content: '❤';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            color: #ff7675;
            font-size: 1rem;
        }
        
        .icp {
            margin-top: 15px;
            font-size: 0.9rem;
        }
        
        .icp a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        
        .icp a:hover {
            color: var(--secondary);
        }
        
        .contact-btn {
            display: inline-block;
            margin-top: 20px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            text-decoration: none;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 500;
            letter-spacing: 1px;
            box-shadow: 0 4px 15px rgba(58, 123, 213, 0.4);
            transition: var(--transition);
        }
        
        .contact-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(58, 123, 213, 0.5);
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes fadeInDown {
            from { 
                opacity: 0;
                transform: translateY(-30px);
            }
            to { 
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease-out;
        }
        
        .animate.active {
            opacity: 1;
            transform: translateY(0);
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2.5rem;
            }
            
            .services {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            header {
                padding: 70px 20px 60px;
            }
            
            .service-card {
                padding: 30px 20px;
            }
        }