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

/* 导航栏样式 */
.navbar {
    background-color: #333;
    overflow: hidden;
}

.navbar ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

.navbar li {
    margin: 0 15px;
}

.navbar a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
    transition: background-color 0.3s;
}

.navbar a:hover {
    background-color: #555;
}

/* 英雄区域样式 */
.hero {
    background-image: url('https://via.placeholder.com/1920x1080');
    background-size: cover;
    background-position: center;
    height: 500px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 24px;
    margin-bottom: 30px;
}

.btn {
    background-color: #007BFF;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #0056b3;
}

/* 文章列表样式 */
.article-list {
    padding: 50px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

article {
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin: 20px;
    padding: 20px;
    width: 300px;
    border-radius: 5px;
}

article h2 {
    font-size: 24px;
    margin-bottom: 10px;
}

article p {
    font-size: 16px;
    margin-bottom: 20px;
}

.read-more {
    color: #007BFF;
    text-decoration: none;
    font-weight: bold;
}

.read-more:hover {
    text-decoration: underline;
}

/* 页脚样式 */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px;
}