/* 全局样式 */
body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 80%;
    margin: auto;
    overflow: hidden;
    padding: 20px;
}

header {
    background: #35424a;
    color: #ffffff;
    padding: 20px 0;
    border-bottom: #e8491d 3px solid;
}

header h1 {
    margin: 0;
    padding: 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav ul {
    display: flex;
    list-style: none;
    padding: 0;
}

nav li {
    margin: 0 15px;
}

nav a {
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
}

nav a:hover {
    color: #e8491d;
}

.main-content {
    padding: 30px 0;
    min-height: 70vh;
}

footer {
    background: #35424a;
    color: #ffffff;
    text-align: center;
    padding: 20px 0;
    margin-top: 20px;
}

/* 响应式设计 */
@media(max-width: 768px) {
    .container {
        width: 95%;
        padding: 10px;
    }
    
    nav {
        flex-direction: column;
    }
    
    nav ul {
        flex-direction: column;
        margin-top: 10px;
    }
    
    nav li {
        margin: 5px 0;
    }
}