* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4efe9 100%);
            color: #333;
            line-height: 1.6;
            min-height: 100vh;
            padding: 20px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            text-align: center;
            margin-bottom: 40px;
            padding: 30px 20px;
            background: rgba(255, 255, 255, 0.9);
            border-radius: 16px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            animation: fadeIn 1s ease-out;
        }
        
        h1 {
            font-size: 2.5rem;
            color: #2c3e50;
            margin-bottom: 15px;
            font-weight: 700;
        }
        
        .welcome-text {
            font-size: 1.2rem;
            color: #7f8c8d;
            margin-bottom: 25px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .domain {
            display: inline-block;
            background: #3498db;
            color: white;
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 1rem;
            margin: 15px 0;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .domain:hover {
            background: #2980b9;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(52, 152, 219, 0.4);
        }
        
        .profile {
            background: white;
            padding: 25px;
            border-radius: 16px;
            margin-bottom: 40px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            animation: slideUp 1s ease-out;
        }
        
        .profile h2 {
            color: #2c3e50;
            margin-bottom: 15px;
            font-weight: 500;
            border-left: 4px solid #3498db;
            padding-left: 12px;
        }
        
        .profile-content {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
        }
        
        .profile-text {
            flex: 1;
            min-width: 300px;
            padding: 5px;
        }
        
        .status {
            display: inline-block;
            background: #e8f4fc;
            color: #3498db;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.9rem;
            margin: 10px 0;
            font-weight: 500;
        }
        
        .modules {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-top: 30px;
        }
        
        .module-card {
            background: white;
            flex: 1;
            min-width: 250px;
            max-width: 380px;
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
            cursor: pointer;
            animation: fadeIn 1s ease-out;
        }
        
        .module-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
        }
        
        .module-card:nth-child(1):hover {
            background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
        }
        
        .module-card:nth-child(2):hover {
            background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
        }
        
        .module-card:nth-child(3):hover {
            background: linear-gradient(135deg, #fbe9e7 0%, #ffccbc 100%);
        }
        
        .module-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
            display: block;
        }
        
        .module-card h3 {
            color: #2c3e50;
            margin-bottom: 12px;
            font-weight: 500;
        }
        
        .module-card p {
            color: #7f8c8d;
            font-size: 0.95rem;
        }
        
        footer {
            text-align: center;
            margin-top: 60px;
            padding: 20px;
            color: #7f8c8d;
            font-size: 0.9rem;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes slideUp {
            from { 
                opacity: 0;
                transform: translateY(20px);
            }
            to { 
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            
            .welcome-text {
                font-size: 1rem;
            }
            
            .modules {
                flex-direction: column;
                align-items: center;
            }
            
            .module-card {
                width: 100%;
            }
        }