body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f5f5f0;
    color: #333;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header {
        padding: 1rem;
    }
    header h1 {
        font-size: 1.8rem;
    }
    header p {
        font-size: 1rem;
    }
    main {
        padding: 1rem;
    }
    .about, .articles {
        padding: 1rem;
    }
}

header {
    background-color: #3a5c40;
    color: #fff;
    padding: 1rem;
    text-align: left;
}

header h1 {
    margin: 0;
    font-size: 2.5rem;
}

header p {
    margin: 0.5rem 0 0;
    font-size: 1.2rem;
}

main {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.about, .articles {
    margin-bottom: 2rem;
    background-color: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h2 {
    color: #3a5c40;
    border-bottom: 2px solid #3a5c40;
    padding-bottom: 0.5rem;
}

article {
    margin-bottom: 1rem;
    padding: 1rem;
    background-color: #f9f9f9;
    border-left: 4px solid #3a5c40;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #3a5c40;
    color: #fff;
    margin-top: 2rem;
}