/* ====== 基础样式（main.css） ====== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

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

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}


/* 面包屑导航 */
.breadcrumb {    
    padding-top: 20px;    
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}

.breadcrumb-nav {
    color: #666; /* 面包屑统一灰色 */
}

.breadcrumb-nav a {
    color: #666; /* 链接也为灰色 */
}

.breadcrumb-nav a:hover {
    color: #666; /* 悬停保持灰色 */
    text-decoration: underline;
}

.separator {
    color: #999;
}

.current {
    color: #666;
}

/* 面包屑：当前位置图标 */
.breadcrumb-nav .current::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 6px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M21 10c0 7-9 12-9 12s-9-5-9-12a9 9 0 1 1 18 0z'/%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3C/svg%3E") no-repeat center/contain; /* 位置图标 */
    vertical-align: -2px;
}

/* 主要内容区域 */
.main-content {
    padding: 20px 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 20px;
}

.main-column {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
}

/* 侧边栏 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-widget {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
}

.sidebar-widget h3 {
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #186fab;
    color: #2c3e50;
}

/* 热门文章列表 */
.hot-articles-list li {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.hot-articles-list li:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.hot-articles-list a {
    display: flex;
    gap: 12px;
}

.article-thumb {
    width: 100px;                 /* 放大缩略图 */
    aspect-ratio: 605 / 375;      /* 右侧列表按 605:375 比例 */
    height: auto;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-info h4 {
    font-size: 14px;
    line-height: 1.4;
    margin-bottom: 5px;
    color: #333;
    display: -webkit-box;           /* 多行省略基础 */
    -webkit-line-clamp: 2;          /* 限制2行 */
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-height: 2.8em;              /* 1.4 * 2 行 */
}

.article-info h4:hover { color: #186fab; }

.article-info {
    display: flex;               /* 侧栏信息容器：上下布局 */
    flex-direction: column;
    min-width: 0;
    min-height: 62px;            /* 与 100px * 375/605 的缩略图高度对齐 */
}

.article-meta {
    font-size: 12px;
    color: #999;
    display: flex;
    gap: 10px;
}

.article-info .article-meta {
    margin-top: auto;            /* 将时间/浏览量推到底部 */
    align-items: center;
}

/* 侧栏：时间与浏览量小图标 */
.article-info .article-meta .date::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}

.article-info .article-meta .views::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}

/* 推荐文章 */
.recommended-articles {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.recommended-item {
    border-radius: 6px;
    overflow: hidden;
    background-color: #f8f9fa;
}

.recommended-item a {
    display: block;
}

.rec-thumb {
    aspect-ratio: 605 / 375;      /* 推荐文章缩略图 605:375 */
    height: auto;
    overflow: hidden;
}

.rec-thumb img { width: 100%; height: 100%; object-fit: cover; }

.rec-content {
    padding: 10px;
}

.rec-content h4 {
    font-size: 13px;
    line-height: 1.3;
    color: #333;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    max-height: 2.6em;              /* 1.3 * 2 行 */
}

.rec-content h4:hover { color: #186fab; }

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-item {
    background-color: #f0f0f0;
    color: #666;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    transition: all 0.3s;
}

.tag-item:hover { background-color: #186fab; color: white; }

/* 分类导航 */
.category-nav li {
    margin-bottom: 8px;
}

.category-nav a {
    color: #666;
    font-size: 14px;
    padding: 5px 0;
    display: block;
    transition: color 0.3s;
}

.category-nav a:hover { color: #186fab; }

/* 底部 */
.main-footer {
    background-color: #333;
    color: white;
    padding: 40px 0 40px;

}

.footer-content {
    display: flex;
    justify-content: center; /* 居中 */
    align-items: center;
    gap: 20px;
    text-align: center;
}

.footer-links h4 {
    font-size: 20px;
    font-weight: normal;
    margin-bottom: 15px;
    color: #186fab;
    border-bottom: 2px solid #186fab;
    display: inline-block;
    padding-bottom: 4px;
}

.footer-links {
    text-align: left; /* 改为居左 */
    margin-top: 30px;
}

.footer-links ul {
    display: flex;
    gap: 12px;
    justify-content: flex-start; /* 改为居左 */
    flex-wrap: wrap; /* 小屏自动换行 */
}

.footer-links a {
    color: #373737;
    font-size: 14px;
    margin-right: 10px;
}

.footer-links a:hover { color: #373737; text-decoration: none; }


.footer-info {
    text-align: center;
    font-size: 14px;
    color: #fff;
}

.footer-info p {
    margin: 10px;
}

/* 全站通用图标（SVG 背景版） */
.iconfont {
    display: inline-block;
    width: 1em;
    height: 1em;
    line-height: 1;
    vertical-align: -0.1em;
}

/* 热门图标：火焰 */
.iconfont.icon-hot {
    width: 18px; /* 放大图标 */
    height: 18px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='%23ff4d4f'%3E%3Cpath d='M12 2s1 3-1 5-5 3-5 8a6 6 0 0 0 12 0c0-3-2-5-3-6s-1-4-1-7c0 0-1 1-2 3z'/%3E%3C/svg%3E") no-repeat center/contain;
}

/* 回到顶部 向上箭头 */
.icon-arrow-up {
    display: inline-block;
    width: 18px;
    height: 18px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='18' height='18' fill='none' stroke='%23fff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='18 15 12 9 6 15'%3E%3C/polyline%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: middle;
}

/* ====== 头部与导航（原 header-nav.css 合并） ====== */
/* 顶部搜索栏样式 */
.top-search-bar { background-color: #ffffff; border-bottom: 1px solid #e0e0e0; padding: 15px 0; }
.header-content { display: flex; justify-content: space-between; align-items: center; max-width: 1200px; margin: 0 auto; padding: 0 8px; }
/* Logo样式 */
.logo a { display: flex; align-items: center; text-decoration: none; color: inherit; }
.logo-icon { display: inline-block; width: 40px; height: 40px; background: linear-gradient(135deg, #ff6b6b, #4ecdc4); color: white; font-size: 24px; font-weight: bold; text-align: center; line-height: 40px; border-radius: 8px; margin-right: 12px; }
/* 搜索框样式 */
.search-box { display: flex; align-items: center; position: relative; }
.search-box form { display: flex; align-items: center; }
.search-input { width: 300px; height: 40px; padding: 0 15px; border: 1px solid #d1d5db; border-radius: 6px 0 0 6px; font-size: 14px; color: #374151; background-color: #f9fafb; outline: none; transition: border-color 0.3s ease; }
.search-input:focus { border-color: #186fab; background-color: #ffffff; }
.search-input::placeholder { color: #9ca3af; }
.search-btn { height: 40px; padding: 0 20px; background-color: #186fab; color: white; border: none; border-radius: 0 6px 6px 0; font-size: 14px; font-weight: 500; cursor: pointer; transition: background-color 0.3s ease; }
.search-btn:hover { background-color: #093e62; }
/* 主导航栏样式 */
.main-header { background: linear-gradient(135deg, #186fab 0%, #093e62 100%); padding: 0; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); position: relative; }
/* 移动端汉堡按钮 */
.mobile-nav-toggle { display: none; width: 36px; height: 36px; background: #186fab; color: white; border: none; border-radius: 6px; cursor: pointer; align-items: center; justify-content: center; transition: background-color 0.3s ease; padding: 8px; box-sizing: border-box; flex-direction: column; }
.mobile-nav-toggle:hover { background: #093e62; }
.mobile-nav-toggle .bar { display: block; width: 18px; height: 2px; background: #fff; margin: 2px 0; border-radius: 1px; }
.main-header::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(135deg, #186fab 0%, #093e62 100%); z-index: 1; }
.main-nav { max-width: 1200px; margin: 0 auto; padding: 0; position: relative; z-index: 2; }
.main-nav ul { display: flex; list-style: none; margin: 0; padding: 0; justify-content: flex-start; align-items: left; height: 52px; }
.main-nav li { margin: 0; position: relative; }
.main-nav a { display: block; padding: 12px 20px;margin-right: 10px; color: white; text-decoration: none; font-size: 18px; transition: all 0.3s ease; border-radius: 8px; position: relative; text-transform: uppercase; letter-spacing: 0.5px; }
.main-nav a::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(255, 255, 255, 0.1); border-radius: 8px; opacity: 0; transition: opacity 0.3s ease; z-index: -1; }
.main-nav a:hover::before { opacity: 1; }
.main-nav a:hover { transform: translateY(-2px); box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2); color: white; }
.main-nav li.active > a { background: #093e62; border-radius: 0; color: white; }
.main-nav a.active::after { display: none; }

/* ====== 首页样式（homepage.css） ====== */
/* 轮播图/横幅区域 */
.hero-section {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.hero-banner {
    overflow: hidden;
    width: 800px;
    height: 312px;
    position: relative;
    flex-shrink: 0;
}

/* Banner加载状态 */
.banner-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 5;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #186fab;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

.banner-loading p {
    color: #666;
    font-size: 14px;
    margin: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.banner-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}

.banner-slide.active {
    opacity: 1;
}

/* Banner标题样式 */
.banner-title {
    position: absolute;
    bottom: 15px;
    left: 15px;
    color: white;
    font-size: 18px;
    max-width: 250px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    z-index: 10;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    transition: all 0.3s ease;
}

.banner-title:hover {
    transform: translateY(-2px);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9);
}

.banner-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.dot.active { background-color: white; }

.dot:hover { background-color: rgba(255, 255, 255, 0.8); }

.banner-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 5px;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.hero-banner:hover .banner-nav { opacity: 1; }

.banner-btn {
    width: 50px;
    height: 50px;
    border: none;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.banner-btn:hover {
    background-color: rgba(0, 0, 0, 0.7);
    transform: scale(1.1);
}

.banner-btn:active {
    transform: scale(0.95);
}

.banner-btn svg {
    width: 24px;
    height: 24px;
}

.hero-articles {
    background-color: white;
    padding:12px 15px;
    border-radius: 8px;
    flex: 1;
    min-width: 0;
}

.hero-articles h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #2c3e50;
    border-bottom: 2px solid #186fab;
    padding-bottom: 10px;
}

.latest-articles li {
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px dotted #ccc;
}

.latest-articles li:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.latest-articles a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}

.latest-articles .article-title {
    font-size: 15px;
    line-height: 1.5;
    color: #333;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 4px;
}

.latest-articles .article-title:hover {
    color: #186fab;
}

.latest-articles .article-date {
    font-size: 11px;
    color: #999;
    flex-shrink: 0;
    white-space: nowrap;
}

/* 分类内容区域 */
.category-sections {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.category-section {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px 15px;
    border-bottom: 1px solid #f0f0f0;
}

.section-header h2 {
    font-size: 20px;
    color: #2c3e50;
    margin: 0;
}

.more-link {
    color: #186fab;
    font-size: 14px;
    transition: color 0.3s;
}

.more-link:hover { color: #093e62; }

.section-content {
    padding: 20px;
}

/* 文章卡片 */
.article-cards {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.article-card {
    border-radius: 6px;
    overflow: hidden;
    background-color: #f8f9fa;
    transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.article-card a { display: block; }

.card-image {
    width: 100%;
    aspect-ratio: 605 / 375; /* 按 605:375 比例缩放 */
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-content {
    padding: 6px 2px;
}

.card-content h3 {
    font-size: 15px;
    font-weight: normal;
    line-height: 24px;
    color: #333;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-content h3:hover { color: #186fab; }

/* 文章列表 */
.article-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    position: relative;
    padding-top: 10px;
}

.article-list::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 0;
    border-left: 1px dashed #e5e7eb; /* 中间虚线分隔 */
    transform: translateX(-50%);
}

.list-column {
    display: flex;
    flex-direction: column;
}

.list-item {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px dotted #eee; /* 行间虚线 */
}

.list-item a {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #666;
    font-size: 13px;
    padding: 4px 0;
    transition: color 0.3s;
}

.list-item a:hover { color: #186fab; }

.bullet {
    color: #186fab;
    font-weight: bold;
}

/* 文本列表：一行显示3个 */
.text_list {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 每行3个 */
    column-gap: 30px; /* 列间距 */
    row-gap: 8px; /* 行间距 */
    list-style: none;
    margin: 0;
    padding: 0;
}

.text_list li {
    line-height: 28px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis; /* 超出省略号 */
}

.text_list li::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    margin-right: 6px;
    border-radius: 50%;
    background-color: #bbb; /* 灰色小圆点 */
    vertical-align: middle;
}

.text_list li a {
    color: #333;
    font-size: 14px;
    transition: color 0.2s ease;
}

.text_list li a:hover {
    color: #186fab; /* 主题色 */
}

/* 热门区域 */
.hot-sections {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.hot-section {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
}

.hot-articles {
    padding: 20px;
}

.hot-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #f0f0f0;
}

.hot-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.hot-item a {
    display: flex;
    gap: 12px;
}

.hot-content {
    display: flex;               /* 让内容形成上下结构 */
    flex-direction: column;
    min-height: 90px;            /* 与 150x90 缩略图等高 */
    flex: 1;
    min-width: 0;               /* 关键：允许内容在flex下收缩，防止溢出 */
}

.hot-thumb {
    width: 150px; /* 热门列表缩略图 150x90 */
    height: 90px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}

.hot-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hot-content h4 {
    font-size: 18px;
    line-height: 26px;
    height: 26px;
    margin-bottom: 5px;
    color: #333;
    font-weight: normal;
    white-space: nowrap;        /* 单行显示 */
    overflow: hidden;           /* 溢出隐藏 */
    text-overflow: ellipsis;    /* 超出省略号 */
}

.hot-content h4:hover { color: #186fab; }

.hot-meta {
    font-size: 12px;
    color: #999;
    display: flex;
    gap: 10px;
    margin-top: auto;            /* 将日期/阅读数推到底部 */
    align-items: center;
    justify-content: flex-start;
}

/* 热门列表：时间与浏览数小图标 */
.hot-meta .date::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}

.hot-meta .views::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}

/* 热门列表描述 */
.hot-desc {
    font-size: 14px;
    color: #666;
    line-height: 22px;
    height: 44px;
    overflow: hidden;

}

/* ====== 列表页样式（list.css） ====== */
/* 分类头部 */
.category-header {
    padding: 30px 20px;
    text-align: center;
    background: linear-gradient(135deg, #186fab, #093e62);
    color: white;
}

.category-header h1 {
    font-size: 28px;
    margin-bottom: 10px;
}

.category-desc {
    font-size: 16px;
    opacity: 0.9;
}

/* 文章列表 */
.list-articles {
    padding:0 20px;
}

.list-article-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.list-articles .list-article-thumbnail {
    width: 200px;                 /* 指定宽度 */
    height: 124px;                /* 固定高度以保持与合并前一致 */
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
}

.list-articles .list-article-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.list-article-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.list-article-title {
    font-size: 20px;
    line-height: 1.4;
    margin-bottom: 10px;
}



.list-article-title a {
    color: #2c3e50;
    transition: color 0.3s;
}

.list-article-title a:hover { color: #186fab; }

.list-article-excerpt {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
    display: -webkit-box;           /* 多行省略基础 */
    line-clamp: 2;                  /* 标准属性，增强兼容 */
    -webkit-line-clamp: 2;          /* 限制2行 */
    -webkit-box-orient: vertical;   /* 垂直排列 */
    overflow: hidden;               /* 隐藏溢出 */
    max-height: 3.2em;              /* 1.6行高 * 2 行 = 3.2em */
}

.list-article-meta {
    display: flex;
    gap: 20px;
    font-size: 14px;
    color: #999;
}

.list-article-meta i {
    margin-right: 5px;
}

/* 列表页：时间与浏览量小图标 */
.list-article-meta .publish-date::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}

.list-article-meta .icon-eye {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}

/* 分页 */
.pagination-wrapper {
    padding: 20px;
    text-align: center;
}

/* 兼容多种分页结构（div/pages/nav/ul等） */
.pagination-wrapper .pagination,
.pagination-wrapper .pages,
.pagination-wrapper nav,
.pagination-wrapper ul {
    display: inline-flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.pagination-wrapper a,
.pagination-wrapper span,
.pagination-wrapper li,
.pagination-wrapper li a,
.pagination-wrapper li span {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid #ddd;
    color: #666;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s;
    margin-right: 5px;
}

/* 当前页与激活状态 */
.pagination-wrapper span.current,
.pagination-wrapper a.active,
.pagination-wrapper li.active a,
.pagination-wrapper li span.current {
    background-color: #186fab;
    color: #fff;
    border-color: #186fab;
}

/* 悬停效果 */
.pagination-wrapper a:hover, .pagination-wrapper li a:hover { background-color: #186fab; color: #fff; border-color: #186fab; }

/* 禁用状态 */
.pagination-wrapper span.disabled,
.pagination-wrapper li.disabled span,
.pagination-wrapper li.disabled a {
    color: #bbb;
    border-color: #eee;
    background-color: #f9f9f9;
    cursor: not-allowed;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-icon {
    font-size: 48px;
    margin-bottom: 20px;
    color: #ddd;
}

.empty-state h3 {
    font-size: 20px;
    margin-bottom: 10px;
    color: #666;
}

.empty-state p {
    font-size: 14px;
    line-height: 1.6;
}

/* ====== 详情页样式（detail.css） ====== */
.article-title{margin-bottom: 20px;}

/* 文章详情 */
.article-detail {padding: 30px 30px 0 30px;}
/* 详情页：时间与浏览量小图标 */
.article-header .article-meta .publish-date::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 6px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}
.article-header .article-meta .views::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    margin-right: 6px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}
.article-meta span { display: flex; align-items: center; gap: 5px; }
.article-content{margin-top: 20px;}
.article-content h1, 
.article-content h2, 
.article-content h3, 
.article-content h4, 
.article-content h5, 
.article-content h6 {  color: #2c3e50; }
.article-content p { margin-bottom: 16px; }
.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 15px auto;        /* 上下间距，水平居中 */
    display: block;           /* 使 auto 外边距生效 */
}
.article-content ul,
.article-content ol {
    margin: 15px 0;
    padding-left: 30px;
}
.article-content li {
    margin-bottom: 8px;
}
.article-content blockquote {
    border-left: 4px solid #186fab;
    padding-left: 20px;
    margin: 20px 0;
    color: #666;
    font-style: italic;
}
.article-content code { background-color: #f8f9fa; padding: 2px 6px; border-radius: 3px; font-family: 'Courier New', monospace; font-size: 14px; }
.article-content pre { background-color: #f8f9fa; padding: 15px; border-radius: 6px; overflow-x: auto; margin: 15px 0; }
.article-content pre code { background: none; padding: 0; }
/* 文章标签 */
.article-tags { margin-bottom: 10px; padding: 20px 0; border-top: 1px solid #f0f0f0; border-bottom: 1px solid #f0f0f0; }
.tag-label { font-weight: bold; color: #666; margin-right: 10px; }
.tag-item { background-color: #f0f0f0; color: #666; padding: 4px 12px; border-radius: 15px; font-size: 12px; margin-right: 8px; margin-bottom: 8px; display: inline-block; transition: all 0.3s; }
.tag-item:hover { background-color: #186fab; color: white; }
/* 文章操作 */
.article-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    padding: 20px 0;
    border-bottom: 1px solid #f0f0f0;
}
.action-btn { display: flex; align-items: center; gap: 8px; padding: 10px 20px; border: 1px solid #ddd; background-color: white; color: #666; border-radius: 25px; cursor: pointer; transition: all 0.3s; font-size: 14px; }
.action-btn:hover { background-color: #186fab; color: white; border-color: #186fab; }
.action-btn.liked { background-color: #e74c3c; color: white; border-color: #e74c3c; }
.action-btn.favorited { background-color: #f39c12; color: white; border-color: #f39c12; }
/* 相关文章 */
.related-articles { margin-bottom: 30px; padding:0 30px; }
.related-articles h3 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #2c3e50;
    padding-bottom: 10px;
    border-bottom: 2px solid #186fab;
}
.related-list,
.related-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 参考图：三列布局 */
    gap: 24px 20px;
}
.related-item { border-radius: 6px; overflow: hidden; background-color: #fff; transition: transform 0.3s, box-shadow 0.3s; }
.related-item:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.related-item a { display: block; }
.related-thumb {
    width: 100%;
    aspect-ratio: 605 / 375; /* 与站内统一缩略图比例一致 */
    height: auto;
    overflow: hidden;
}
.related-thumb img { width: 100%; height: 100%; object-fit: cover; }
.related-content { padding:5px; }
.related-content h4 {
    font-size: 16px;
    font-weight: normal;
    line-height: 24px;
    height: 48px;               /* 两行固定高度 */
    color: #333;
    display: -webkit-box;      /* 两行省略 */
    line-clamp: 2;             /* 标准属性 */
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-content h4:hover { color: #186fab; }
.related-meta {
    font-size: 12px;
    color: #999;
    display: flex;
    gap: 12px;
    align-items: center;
}
.related-title-list li a {
    display: grid;
    grid-template-columns: 28px 1fr auto;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-bottom: 1px dashed #eee;
    color: #333;
    text-decoration: none; /* 去除下划线 */
}
.related-title-list li a:hover { text-decoration: none; }
.related-title-list li:last-child a { border-bottom: none; }
.related-title-list .rank {
    width: 20px;
    height: 20px;
    text-align: center;
    line-height: 20px;
    border-radius: 3px;
    background: #f0f0f0;
    color: #666;
    font-size: 12px;
}
/* 序号配色：1/2/3 */
.related-title-list .rank.num-1 {
    background: #ff4d4f;
    color: #fff;
}
.related-title-list .rank.num-2 {
    background: #ffa940;
    color: #fff;
}
.related-title-list .rank.num-3 {
    background: #52c41a;
    color: #fff;
}
.related-title-list .view-count {
    color: #999;
    font-size: 12px;
}
.related-title-list .view-count .icon-eye {
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}
/* 相关文章时间/浏览图标 */
.related-meta .date::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}
.related-meta .views::before {
    content: '';
    display: inline-block;
    width: 14px;
    height: 14px;
    margin-right: 4px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M1 12s4-7 11-7 11 7 11 7-4 7-11 7S1 12 1 12z'/%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3C/svg%3E") no-repeat center/contain;
    vertical-align: -2px;
}
/* 文章导航 */
.article-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}
.nav-item {
    border-radius: 6px;
    overflow: hidden;
    background-color: #f8f9fa;
    transition: transform 0.3s, box-shadow 0.3s;
}
.nav-item:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.nav-item a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
}
.nav-thumb {
    width: 80px;
    height: 60px;
    border-radius: 4px;
    overflow: hidden;
    flex-shrink: 0;
}
.nav-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.nav-content {
    flex: 1;
}
.nav-label {
    font-size: 12px;
    color: #999;
    margin-bottom: 5px;
    display: block;
}
.nav-content h4 {
    font-size: 14px;
    line-height: 1.4;
    color: #333;
    margin: 0;
}
.nav-content h4:hover {
    color: #186fab;
}
.next-article a {
    flex-direction: row-reverse;
}

/* ====== 响应式设计 ====== */
/* 桌面端隐藏card-meta */
.card-meta {
    display: none;
}

@media (max-width: 1400px) {
    .article-cards {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 1200px) {
    .article-cards {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 1024px) {
    .article-cards {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .article-list {
        grid-template-columns: 1fr;
    }
    
    .hot-sections {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .main-nav ul {
        gap: 15px;
    }
    
    .main-nav a {
        font-size: 14px;
    }
    
    .search-input {
        width: 150px;
    }
    
    .recommended-articles {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .footer-info {
        text-align: center;
    }
    
    /* 移动端隐藏友情链接版块 */
    .footer-links {
        display: none;
    }
    
    /* 移动端隐藏网站描述信息 */
    .footer-info p:first-child {
        display: none;
    }
    
    /* 移动端返回顶部按钮样式调整 */
    .scroll-top-btn {
        width: 45px !important;
        height: 45px !important;
        bottom: 15px !important;
        right: 15px !important;
    }
    
    .scroll-top-btn .icon-arrow-up {
        width: 20px !important;
        height: 20px !important;
    }
    
    /* 头部与导航响应式 */
    .header-content { flex-direction: row; justify-content: space-between; align-items: center; gap: 0; }
    /* 移动端logo样式调整 */
    .logo { flex: 1; }
    .logo h1 { margin: 0; }
    .logo img { height: 52px; width: auto; }
    /* 移动端搜索框样式 */
    .search-box { flex-shrink: 0; display: flex; align-items: center; }
    .mobile-nav-toggle { display: flex !important; background: #186fab !important; }
    .mobile-nav-toggle:hover { background: #093e62 !important; }
    .search-form, .search-input, .search-btn { display: none !important; }
    /* 移动端调整搜索框区域布局 */
    .top-search-bar { padding: 10px 0; }
    .main-nav ul { display: none; position: fixed; top: 0; left: 0; right: 0; height: auto; flex-direction: column; gap: 0; padding: 20px; background: rgba(0,0,0,0.95); border-radius: 0; z-index: 99999; overflow-y: auto; max-height: 80vh; }
    /* 导航菜单关闭按钮 */
    .main-nav ul::before { content: '×'; position: absolute; top: 10px; right: 20px; font-size: 30px; color: white; cursor: pointer; z-index: 100000; }
    .main-nav li { margin: 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
    .main-nav a { padding: 20px 12px; font-size: 18px; margin: 0; text-transform: none; letter-spacing: 0.3px; color: white; display: block; text-align: left; }
    .main-nav a:hover { transform: translateY(-1px); color: white; }
    .main-nav li.active > a { color: white; }
    
    /* 首页响应式 */
    .hero-section {
        flex-direction: column;
        margin-bottom: 0px;
    }
    
    /* 移动端隐藏hero-articles区域 */
    .hero-articles {
        display: none;
    }
    
    /* 移动端隐藏text_list区域 */
    .text_list {
        display: none;
    }
    
    /* 移动端隐藏hot-sections版块 */
    .hot-sections {
        display: none;
    }
    
    .article-cards {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    /* 移动端文章卡片样式 - 参考热门问答 */
    .article-card {
        display: flex;
        background: white;
        border-radius: 0;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        transition: transform 0.3s, box-shadow 0.3s;
    }
    
    .article-card:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }
    
    .article-card a {
        display: flex;
        width: 100%;
        text-decoration: none;
    }
    
    .card-image {
        width: 120px;
        height: 80px;
        flex-shrink: 0;
        overflow: hidden;
    }
    
    .card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .card-content {
        flex: 1;
        padding: 12px 15px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    
    .card-content h3 {
        font-size: 16px;
        line-height: 22px;
        color: #333;
        margin: 0 0 8px 0;
        font-weight: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .card-content h3:hover {
        color: #186fab;
    }
    
    /* 移动端显示card-meta */
    .card-meta {
        font-size: 12px;
        color: #999;
        display: flex;
        gap: 10px;
        margin-top: auto;
        align-items: center;
    }
    
    .card-meta .publish-date::before {
        content: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23999999" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="12" cy="12" r="10"></circle><polyline points="12 6 12 12 16 14"></polyline></svg>');
        width: 14px;
        height: 14px;
        vertical-align: -0.15em;
        margin-right: 4px;
        display: inline-block;
    }
    
    .card-meta .views::before {
        content: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23999999" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"></path><circle cx="12" cy="12" r="3"></circle></svg>');
        width: 14px;
        height: 14px;
        vertical-align: -0.15em;
        margin-right: 4px;
        display: inline-block;
    }
    
    .section-header {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }
    
    .hero-banner {
        width: 100%;
        height: 200px;
    }
    
    /* 移动端banner标题样式 */
    .banner-title {
        font-size: 16px;
        max-width: 180px;
        bottom: 10px;
        left: 10px;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    }
    
    /* 移动端隐藏banner导航按钮 */
    .banner-nav {
        display: none;
    }
    
    /* 列表页响应式 */
    .list-articles + .sidebar {
        display: none;
    }
    /* 移动端：左图右文布局，参考首页移动端卡片 */
    .list-article-item {
        display: flex;
        background: white;
        border-radius: 0;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        transition: transform 0.3s, box-shadow 0.3s;
        margin-bottom: 15px;
        padding: 0;
        border-bottom: none;
    }
    
    .list-article-item:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    }
    
    .list-article-item a {
        display: flex;
        width: 100%;
        text-decoration: none;
        gap: 12px;
    }
    
    .list-articles .list-article-thumbnail {
        width: 120px;
        height: 80px;
        border-radius: 0;
        overflow: hidden;
        flex-shrink: 0;
    }
    
    .list-articles .list-article-thumbnail img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .list-article-content {
        flex: 1;
        padding: 5px 0px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    
    .list-article-title {
        font-size: 16px;
        line-height: 22px;
        color: #333;
        margin: 0 0 8px 0;
        font-weight: normal;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    .list-article-title:hover {
        color: #186fab;
    }
    
    .list-article-excerpt {
        display: none;
    }
    
    .list-article-meta {
        font-size: 12px;
        color: #999;
        display: flex;
        gap: 10px;
        margin-top: auto;
        align-items: center;
    }
    
    .category-header {
        padding: 20px 15px;
    }
    
    .category-header h1 {
        font-size: 24px;
    }
    
    .articles-list {
        padding: 15px;
    }
    
    /* 详情页响应式 - 确保侧边栏显示 */
    .article-detail + .sidebar {
        display: block !important; /* 强制显示侧边栏 */
    }
    /* 默认隐藏侧边栏下所有模块 */
    .sidebar .sidebar-widget { display: none; }
    /* 仅显示 推荐文章 模块 */
    .sidebar .sidebar-widget.recommended-widget { display: block; }
    /* 推荐文章：左图右文横排 */
    .recommended-articles .recommended-item a { display: flex; gap: 12px; }
    .recommended-articles .rec-thumb { width: 120px; height: 80px; flex-shrink: 0; overflow: hidden; border-radius: 0; }
    .recommended-articles .rec-thumb img { width: 100%; height: 100%; object-fit: cover; }
    .recommended-articles .rec-content { flex: 1; display: flex; flex-direction: column; justify-content: space-between; padding: 0; }
    .recommended-articles .rec-content h4 { font-size: 16px; line-height: 22px; margin: 0 0 8px 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .recommended-articles .rec-content h4 { line-clamp: 2; }
    .article-detail {
        padding: 20px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    /* 移动端：发布时间靠左，浏览数靠右 */
    .article-meta {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        width: 100%;
    }
    .article-meta .views {
        margin-left: auto;
        text-align: right;
    }
    
    .article-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .action-btn {
        justify-content: center;
    }
    
    .related-list,
    .related-list-grid {
        grid-template-columns: 1fr; /* 移动端单列 */
    }

    /* 相关文章前三项：左图右文横向布局（与首页移动端一致） */
    .related-item a {
        display: flex;
        align-items: stretch;
        gap: 12px;
    }
    .related-thumb {
        width: 120px;
        height: 80px;
        border-radius: 0;
        overflow: hidden;
        flex-shrink: 0;
    }
    .related-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .related-content {
        flex: 1;
        padding: 0; /* 减少内边距，贴近首页移动端样式 */
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .related-content h4 {
        font-size: 16px;
        line-height: 22px;
        height: auto;
        margin: 0 0 8px 0;
        line-clamp: 2; /* 标准属性 */
        -webkit-line-clamp: 2; /* 两行省略 */
    }
    .related-meta {
        margin-top: auto; /* 时间/浏览数底部对齐 */
        gap: 10px;
    }    
    .article-navigation {
        grid-template-columns: 1fr;
    }    
    .next-article a {
        flex-direction: row;
    }
}

/* 展开态 */
.main-header.nav-open .main-nav ul { display: flex; }

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 10px;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .search-box {
        justify-content: center;
    }
    
    .search-input {
        width: 120px;
    }
    
    .logo-icon { width: 35px; height: 35px; font-size: 20px; line-height: 35px; }
    .search-input { width: 200px; }
    .main-nav ul { padding: 8px 0; }
    .main-nav a { padding: 10px 15px; font-size: 13px; margin: 3px 2px; }
    .main-nav a.active::after { width: 20px; height: 2px; }
    
    .article-cards {
        grid-template-columns: 1fr;
    }
    
    .section-content {
        padding:15px 15px 0px;
    }
    
    .hero-articles {
        padding: 15px;
    }
    
    .hero-banner {
        width: 100%;
        height: 150px;
    }
    
    /* 小屏幕banner标题样式 */
    .banner-title {
        font-size: 14px;
        max-width: 150px;
        bottom: 16px;
        left: 8px;
        text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
    }
    
    .banner-nav {
        padding: 0 2px;
    }
    
    .banner-btn {
        width: 40px;
        height: 40px;
    }
    
    .banner-btn svg {
        width: 20px;
        height: 20px;
    }
    
    .article-title {
        font-size: 16px;
    }
    
    .article-excerpt {
        font-size: 14px;
    }
    
    .article-meta {
        font-size: 12px;
    }
    
    .article-detail {
        padding: 15px;
    }    
    
    .article-title {
        font-size: 20px;
    }    
    
    .article-content {
        font-size: 16px;
        line-height: 30px;
    }    
    
    .nav-item a {
        padding: 12px;
    }    
    
    .nav-thumb {
        width: 60px;
        height: 45px;
    }
}