/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

a {
    text-decoration: none;
    color: #2c3e50;
    transition: color 0.3s;
}

a:hover {
    color: #3498db;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: 25px;
}

.nav-menu a {
    font-weight: 500;
}

.nav-menu a.active {
    color: #3498db;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* 横幅区域 */
.banner {
    background: linear-gradient(135deg, #3498db, #2c3e50);
    color: white;
    padding: 80px 0;
    text-align: center;
    margin-bottom: 40px;
}

.banner h1 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.banner p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
}

/* 内容区块 */
.section {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    padding: 30px;
    margin-bottom: 30px;
}

.section-title {
    font-size: 1.8rem;
    color: #2c3e50;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3498db;
}

/* 首页特定样式 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin: 40px 0;
}

.feature-card {
    background: white;
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    color: #2c3e50;
    margin-bottom: 15px;
    font-size: 1.4rem;
}

/* 列表页特定样式 */
.news-list {
    margin-top: 30px;
}

.news-item {
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}

.news-item:last-child {
    border-bottom: none;
}

.news-item h3 {
    margin-bottom: 10px;
}

.news-meta {
    color: #777;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.news-desc {
    color: #555;
}

.pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.pagination a {
    margin: 0 5px;
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.pagination a.active {
    background: #3498db;
    color: white;
    border-color: #3498db;
}

/* 文章页特定样式 */
.article-header {
    margin-bottom: 30px;
}

.article-title {
    font-size: 2.2rem;
    color: #2c3e50;
    margin-bottom: 15px;
}

.article-meta {
    color: #777;
    margin-bottom: 20px;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.8;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content h2, .article-content h3 {
    margin: 30px 0 15px;
    color: #2c3e50;
}

/* 页脚样式 */
footer {
    background: #2c3e50;
    color: white;
    padding: 50px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-section h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.footer-section p, .footer-section a {
    margin-bottom: 10px;
    color: #ddd;
    display: block;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-bottom,.footer-bottom a {color:#fff}
/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        padding: 20px;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        margin: 10px 0;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .banner h1 {
        font-size: 2rem;
    }
    
    .banner p {
        font-size: 1rem;
    }
}