:root {
--primary-color: #8E8E8E;
--text-color: #333;
--light-bg: #f5f5f5;
--spacing-sm: 8px;
--spacing-md: 16px;
--spacing-lg: 24px;
--spacing-xl: 32px;
--border-radius: 4px;
--transition: all 0.3s ease;
}

* {
margin: 0;
padding: 0;
box-sizing: border-box;
}

body {
font-family: 'Helvetica Neue', Arial, sans-serif;
line-height: 1.6;
color: var(--text-color);
background-color: #fff;
}

a {
text-decoration: none;
color: var(--primary-color);
transition: var(--transition);
}

a:hover {
opacity: 0.8;
}

.container {
width: 100%;
max-width: 1200px;
margin: 0 auto;
padding: 0 var(--spacing-md);
}

/* 导航栏样式 */
header {
background-color: #fff;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
position: sticky;
top: 0;
z-index: 100;
}

.nav-container {
display: flex;
justify-content: space-between;
align-items: center;
padding: 1rem;
}

.logo {
font-size: 1.5rem;
font-weight: bold;
color: var(--primary-color);
}

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

.nav-menu li {
margin-left: var(--spacing-xl);
}

.nav-toggle {
display: none;
font-size: 1.5rem;
cursor: pointer;
}

/* 内容区块通用样式 */
section {
padding: var(--spacing-xl) 0;
}

.section-title {
font-size: 1.5rem;
margin-bottom: var(--spacing-lg);
color: var(--primary-color);
position: relative;
padding-bottom: var(--spacing-sm);
}

.section-title::after {
content: '';
position: absolute;
bottom: 0;
left: 0;
width: 50px;
height: 2px;
background-color: var(--primary-color);
}

/* 最新文章列表 */
.latest-articles {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: var(--spacing-lg);
}

.article-card {
background: #fff;
border-radius: var(--border-radius);
overflow: hidden;
transition: var(--transition);
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.article-card:hover {
transform: translateY(-5px);
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.article-content {
padding: var(--spacing-md);
}

.article-title {
font-size: 1.2rem;
margin-bottom: var(--spacing-sm);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}

.article-excerpt {
color: #666;
margin-bottom: var(--spacing-md);
display: -webkit-box;
-webkit-line-clamp: 3;
-webkit-box-orient: vertical;
overflow: hidden;
}

.article-meta {
display: flex;
align-items: center;
font-size: 0.85rem;
color: #888;
}

.article-meta span {
margin-right: var(--spacing-md);
display: flex;
align-items: center;
}

/* 推荐文章图片列表 */
.featured-articles {
display: grid;
grid-template-columns: repeat(4, 1fr);
gap: var(--spacing-md);
}

.featured-article {
position: relative;
height: 250px;
border-radius: var(--border-radius);
overflow: hidden;
transition: var(--transition);
}

.featured-article:hover {
transform: scale(1.03);
}

.featured-image {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-size: cover;
background-position: center;
}

.featured-overlay {
position: absolute;
bottom: 0;
left: 0;
width: 100%;
padding: var(--spacing-md);
background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
color: #fff;
}

.featured-title {
font-size: 1.1rem;
margin-bottom: var(--spacing-sm);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}

.featured-excerpt {
font-size: 0.9rem;
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
}

/* 热门文章列表 */
.popular-articles {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: var(--spacing-lg);
width: 100%;
max-width: 100%;
overflow: hidden;
}

.popular-article {
display: flex;
background: #fff;
border-radius: var(--border-radius);
overflow: hidden;
transition: var(--transition);
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
width: 100%;
}

.popular-article:hover {
transform: translateY(-5px);
box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.popular-content {
padding: var(--spacing-md);
flex: 1;
width: 100%;
overflow: hidden;
}

.popular-title {
font-size: 1.1rem;
margin-bottom: var(--spacing-sm);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
width: 100%;
}

.popular-excerpt {
color: #666;
margin-bottom: var(--spacing-md);
display: -webkit-box;
-webkit-line-clamp: 2;
-webkit-box-orient: vertical;
overflow: hidden;
width: 100%;
}

.popular-meta {
display: flex;
justify-content: space-between;
font-size: 0.85rem;
color: #888;
width: 100%;
}

.popular-meta span {
display: flex;
align-items: center;
white-space: nowrap;
}

.popular-views::before {
content: '👁️';
margin-right: 4px;
}

/* 文字介绍区块 */
.intro-section {
background-color: var(--light-bg);
padding: var(--spacing-xl);
border-radius: var(--border-radius);
}

.intro-content {
line-height: 1.8;
}

/* 友情链接 */
.links-section {
background-color: var(--light-bg);
padding: var(--spacing-xl);
border-radius: var(--border-radius);
}

.links-grid {
display: flex;
flex-wrap: wrap;
gap: var(--spacing-md);
}

.link-item {
padding: var(--spacing-sm) var(--spacing-md);
background-color: #fff;
border-radius: var(--border-radius);
transition: var(--transition);
}

.link-item:hover {
background-color: var(--primary-color);
color: #fff;
}

.link-item:hover a {
color: #fff;
}

/* 页脚 */
footer {
background-color: #333;
color: #fff;
padding: var(--spacing-lg) 0;
text-align: center;
margin-top: var(--spacing-xl);
}

footer a {
color: #fff;
}

.article-date::before {
content: "📅";
margin-right: 4px;
}

.popular-views::before {
content: "👁️";
margin-right: 4px;
}

/* 响应式设计 */
@media (max-width: 1024px) {
.featured-articles {
grid-template-columns: repeat(2, 1fr);
}

.nav-container {
padding: var(--spacing-md) var(--spacing-md);
}

.nav-menu {
position: fixed;
top: 70px;
left: -100%;
flex-direction: column;
background-color: #fff;
width: 100%;
box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
padding: var(--spacing-md);
transition: 0.4s;
}

.nav-menu.active {
left: 0;
}

.nav-menu li {
margin: var(--spacing-md) 0;
}

.nav-toggle {
display: block;
}

.intro-section,
.links-section,
.copyright {
display: none;
}
}

@media (max-width: 768px) {


.latest-articles,
.popular-articles {
grid-template-columns: 1fr;
}

.popular-meta {
flex-direction: column;
}

.popular-meta span {
margin-bottom: var(--spacing-sm);
}

.nav-container {
padding: var(--spacing-md) var(--spacing-md);
}
}

@media (max-width: 500px) {
.featured-articles {
grid-template-columns: 1fr;
}

.nav-container {
padding: var(--spacing-md) var(--spacing-sm);
}

.popular-meta {
flex-direction: column;
}
}