* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.welcome-container {
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 90%;
    max-width: 800px;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.welcome-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, #3498db, #2ecc71, #e74c3c, #f39c12);
}

h1 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 2.5rem;
    position: relative;
    display: inline-block;
}

h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    border-radius: 2px;
}

.welcome-text {
    color: #7f8c8d;
    line-height: 1.6;
    margin: 25px 0;
    font-size: 1.1rem;
}

.features {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    margin: 30px 0;
}

.feature {
    flex: 1;
    min-width: 150px;
    margin: 10px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.feature i {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 15px;
}

.feature h3 {
    color: #2c3e50;
    margin-bottom: 10px;
}

.feature p {
    color: #7f8c8d;
    font-size: 0.9rem;
}

.icp-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #ecf0f1;
    color: #95a5a6;
    font-size: 0.9rem;
}

.icp-footer a {
    color: #3498db;
    text-decoration: none;
}

.icp-footer a:hover {
    text-decoration: underline;
}

.btn {
    display: inline-block;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    margin-top: 20px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.3);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 20px rgba(52, 152, 219, 0.4);
}

.image{
    height: 12px;
    width: 12px;
}

@media (max-width: 600px) {
    .welcome-container {
        padding: 30px 20px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .features {
        flex-direction: column;
    }
}