/* 基础样式 */
body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 头部样式 */
header {
    background-color: #2c3e50;
    color: white;
    padding: 2rem 0;
    text-align: center;
}

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

header p {
    margin: 0.5rem 0 0;
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 导航栏样式 */
nav {
    background-color: #34495e;
}

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

nav li {
    flex: 1;
    text-align: center;
}

nav a {
    display: block;
    padding: 1rem;
    color: white;
    text-decoration: none;
    transition: background-color 0.3s;
}

nav a:hover {
    background-color: #2c3e50;
}

/* 主要内容区 */
main {
    display: flex;
    padding: 2rem 0;
}

.featured-posts {
    flex: 3;
    padding-right: 2rem;
}

article {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

article h3 {
    margin-top: 0;
}

.meta {
    color: #7f8c8d;
    font-size: 0.9rem;
    margin: 0.5rem 0;
}

/* 侧边栏 */
aside {
    flex: 1;
}

.about-widget, .categories {
    background: white;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.categories ul {
    list-style: none;
    padding: 0;
}

.categories li {
    margin-bottom: 0.5rem;
}

/* 页脚 */
footer {
    background-color: #34495e;
    color: white;
    text-align: center;
    padding: 1rem 0;
    margin-top: 2rem;
    a {
        color: #fff;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    main {
        flex-direction: column;
    }
    
    .featured-posts {
        padding-right: 0;
    }
    
    nav ul {
        flex-direction: column;
    }
}