/* 通用样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #ecf0f1;
    color: #333;
}

.container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 20px;
    text-align: center;
    border-radius: 8px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1.2rem;
}

.content {
    margin-top: 30px;
}

.content h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #2980b9;
}

.content p {
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.content a.btn {
    display: inline-block;
    background-color: #2980b9;
    color: white;
    padding: 12px 25px;
    font-size: 1.1rem;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 30px;
    transition: background-color 0.3s ease;
}

.content a.btn:hover {
    background-color: #3498db;
}

/* 响应式设计 */
@media screen and (max-width: 600px) {
    header h1 {
        font-size: 2rem;
    }
    header p {
        font-size: 1rem;
    }
    .content h2 {
        font-size: 1.5rem;
    }
    .content p {
        font-size: 1rem;
    }
    .content a.btn {
        font-size: 1rem;
        padding: 10px 20px;
    }
}