:root {
    --primary: #5b8bf7;
    --primary-light: #7da3ff;
    --secondary: #6c757d;
    --accent: #ff6b6b;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --border-radius: 12px;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: #f9fafb;
    color: var(--dark);
    line-height: 1.6;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    position: relative;
    transition: var(--transition);
}

.logo {
    height: 50px;
}

.logo img {
    height: 100%;
    width: auto;
    border-radius: 8px;
    transition: var(--transition);
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-container {
    display: flex;
    align-items: center;
    margin-left: auto;
    transition: var(--transition);
}

nav ul {
    display: flex;
    list-style: none;
    transition: var(--transition);
}

nav ul li {
    margin-left: 25px;
}

nav ul li a {
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--primary);
}

nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    margin-left: 30px;
}

.search-icon {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--dark);
    cursor: pointer;
    transition: var(--transition);
    padding: 8px;
    border-radius: 50%;
}

.search-icon:hover {
    background-color: var(--light-gray);
    color: var(--primary);
}

/* 导航栏内搜索框 */
.nav-search {
    position: absolute;
    right: 0;
    width: 0;
    height: 60%;
    background-color: white;
    display: flex;
    align-items: center;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    border-radius: 15px;
}

.nav-search.active {
    width: 290px;
}

.search-form{
    max-width: 290px;
    display: flex;
}

.nav-search input {
    flex: 1;
    padding: 10px;
    border: none;
    border-right: 1px solid var(--light-gray);
    font-size: 1.1rem;
}

.nav-search input:focus {
    outline: none;
}

.nav-search button {
    background: none;
    border: none;
    padding: 12px 15px;
    cursor: pointer;
    color: var(--dark);
    transition: var(--transition);
    font-size: 1.1rem;
}

.nav-search button:hover {
    color: var(--primary);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
    padding: 8px;
    border-radius: 5px;
    transition: var(--transition);
    margin-left: 15px;
}

.mobile-menu-btn:hover {
    background-color: var(--light-gray);
}

/* 面包屑导航 */
.breadcrumb {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 0 5px;
    border-bottom: 1px solid var(--light-gray);
}

.breadcrumb-container {
    display: flex;
    align-items: center;
    font-size: 0.9rem;
    color: var(--gray);
}

.breadcrumb a {
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary);
}

.breadcrumb-separator {
    margin: 0 10px;
    color: var(--gray);
}

.breadcrumb-current {
    color: var(--primary);
    font-weight: 500;
}

/* AD广告区域 */
.ad-google{
    max-width: 1200px;
    margin: auto;
}
        .ad-container {
            background-color: #f8f9fa;
            border: 2px dashed #dadce0;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        .ad-header{
        margin: 30px 20px 0;
        height: 160px;
        }
         .leaderboard {
            margin: 30px 0 0;
            height: 160px;
        }
        
        .medium-rectangle {
            height: 250px;
        }
        
        .large-rectangle {
            width: 100%;
            height: 410px;
        }
        
        .mobile-banner {
            width: 320px;
            height: 50px;
        }
        
        .ad-label {
            position: absolute;
            top: 0;
            left: 0;
            background-color: #4285f4;
            color: white;
            font-size: 0.75rem;
            padding: 3px 8px;
            border-bottom-right-radius: 4px;
        }
        
        .ad-preview {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #5f6368;
            text-align: center;
            padding: 20px;
        }
        
        .ad-preview i {
            font-size: 2.5rem;
            color: #4285f4;
            margin-bottom: 15px;
        }
        
        .ad-dimensions {
            font-size: 0.9rem;
            color: #80868b;
            margin-top: 10px;
        }
        
        .ad-info {
            background-color: #f1f8ff;
            border-left: 4px solid #4285f4;
            padding: 15px;
            margin-top: 20px;
            border-radius: 0 8px 8px 0;
        }
        
        .ad-info h3 {
            color: #1967d2;
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

/* 主要内容区 */
.main-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin: 20px 0 40px;
}

/* 图集展示区域 */
.gallery-section {
    margin: 40px 0 60px;
}

.gallery-container {
    position: relative;
    width: 100%;
}

.main-gallery-image {
    width: 100%;
    height: 500px;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    position: relative;
}

.main-gallery-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: var(--transition);
}

.main-gallery-image:hover img {
    transform: scale(1.03);
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    padding: 30px 20px 20px;
}

.image-caption h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.image-caption p {
    font-size: 1rem;
    opacity: 0.9;
}

.gallery-thumbnails {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 5px;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 5px;
    border-radius: 10px;
    backdrop-filter: blur(5px);
}

.thumbnail {
    width: 80px;
    height: 60px;
    border-radius: 5px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.thumbnail.active {
    box-shadow: 0 0 0 3px var(--primary);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.thumbnail:hover img {
    transform: scale(1.1);
}

/* 文章卡片 */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.article-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.article-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.article-card:hover .article-image {
    transform: scale(1.05);
}

.article-content {
    padding: 20px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.85rem;
    color: var(--gray);
}

.article-category {
    background-color: var(--primary);
    color: white;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
}

.article-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark);
    line-height: 1.4;
}

.article-excerpt {
    margin-bottom: 15px;
    color: var(--gray);
    font-size: 0.95rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
}

.read-more i {
    margin-left: 5px;
    transition: var(--transition);
}

.read-more:hover {
    color: var(--accent);
}

.read-more:hover i {
    transform: translateX(5px);
}

/* 文章内容区域 */
.article-content-section {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    padding: 40px;
    height: fit-content;
}

.article-header {
    margin-bottom: 30px;
}

.article-title-large {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--dark);
    line-height: 1.3;
}

.article-excerpt-large {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.7;
}

.article-image-large {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
}

.article-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #333;
}
.article-body iframe{
    width: 100%;
    height: 420px;
}
.article-body a{
    color: blue;!important
}
.article-body h2 {
    font-size: 1.6rem;
    margin: 40px 0 20px;
    color: var(--dark);
    padding-bottom: 10px;
    border-bottom: 1px solid var(--light-gray);
}

.article-body h3 {
    font-size: 1.3rem;
    margin: 30px 0 15px;
    color: var(--dark);
}

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

.article-body blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 20px;
    margin: 30px 0;
    font-style: italic;
    color: var(--gray);
}

.article-body ul, .article-body ol {
    margin: 20px 0;
    padding-left: 30px;
}

.article-body li {
    margin-bottom: 10px;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: var(--shadow);
}

.article-footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--light-gray);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.tag {
    background-color: var(--light-gray);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: var(--transition);
}

.tag:hover {
    background-color: var(--primary);
    color: white;
}

.article-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.share-buttons {
    display: flex;
    gap: 15px;
}

.share-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-gray);
    color: var(--dark);
    transition: var(--transition);
}

.share-button:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.nav-buttons {
    display: flex;
    gap: 15px;
}

.nav-button {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    background-color: var(--light-gray);
    border-radius: 30px;
    transition: var(--transition);
    font-weight: 500;
}

.nav-button:hover {
    background-color: var(--primary);
    color: white;
}

.nav-button.prev i {
    margin-right: 8px;
}

.nav-button.next i {
    margin-left: 8px;
}

/* 相关文章 */
.related-articles {
    margin-top: 60px;
    grid-column: 1 / -1;
}

.section-title {
    font-size: 1.5rem;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--light-gray);
    position: relative;
}

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

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.related-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.related-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.related-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.related-content {
    padding: 20px;
}

.related-title {
    font-size: 1.1rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.related-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--gray);
}

/* 文章列表 */
.articles-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.article-card-horizontal {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
}

.article-card-horizontal:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.article-image-horizontal {
    width: 40%;
    object-fit: cover;
    transition: var(--transition);
}

.article-card-horizontal:hover .article-image-horizontal {
    transform: scale(1.05);
}

.article-content-horizontal {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.article-title-horizontal {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark);
    line-height: 1.4;
}

.article-excerpt-horizontal {
    margin-bottom: 15px;
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 图集筛选器 */
.gallery-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    padding: 20px;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.filter-btn {
    padding: 8px 16px;
    background-color: var(--light-gray);
    border: none;
    border-radius: 20px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.filter-btn:hover, .filter-btn.active {
    background-color: var(--primary);
    color: white;
}

/* 图集网格布局 */
.galleries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.gallery-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.gallery-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.gallery-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: var(--transition);
}

.gallery-card:hover .gallery-image {
    transform: scale(1.05);
}

.gallery-content {
    padding: 20px;
}

.gallery-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 0.85rem;
    color: var(--gray);
}

.gallery-category {
    background-color: var(--primary);
    color: white;
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: 500;
}

.gallery-title {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark);
    line-height: 1.4;
}

.gallery-stats {
    display: flex;
    align-items: center;
    color: var(--gray);
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.gallery-stats span {
    margin-right: 15px;
    display: flex;
    align-items: center;
}

.gallery-stats i {
    margin-right: 5px;
}

.gallery-excerpt {
    margin-bottom: 15px;
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.6;
}

.view-gallery {
    display: inline-flex;
    align-items: center;
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
    margin-top: 10px;
}

.view-gallery i {
    margin-left: 5px;
    transition: var(--transition);
}

.view-gallery:hover {
    color: var(--accent);
}

.view-gallery:hover i {
    transform: translateX(5px);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 15px;
    gap: 10px;
}

.pagination li {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: white;
    color: var(--dark);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.pagination a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: white;
    color: var(--dark);
    transition: var(--transition);
    box-shadow: var(--shadow);
}
.pagination a:hover, .pagination a.active {
    background-color: var(--primary);
    color: white;
}

/* 侧边栏 */
.sidebar-widget {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 25px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.widget-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--light-gray);
    color: var(--dark);
    position: relative;
}

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

.categories-list {
    list-style: none;
}

.categories-list li {
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--light-gray);
    transition: var(--transition);
}

.categories-list li:hover {
    padding-left: 10px;
}

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

.categories-list a {
    display: flex;
    justify-content: space-between;
    transition: var(--transition);
}

.categories-list a:hover {
    color: var(--primary);
}

.categories-list span {
    background-color: var(--light-gray);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.8rem;
}

.popular-posts .post-item,
.popular-galleries .gallery-item {
    display: flex;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--light-gray);
    transition: var(--transition);
}

.popular-posts .post-item:hover,
.popular-galleries .gallery-item:hover {
    transform: translateX(5px);
}

.popular-posts .post-item:last-child,
.popular-galleries .gallery-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.post-thumbnail,
.gallery-thumbnail {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 8px;
    margin-right: 15px;
}

.post-info h4,
.gallery-info h4 {
    font-size: 0.95rem;
    margin-bottom: 5px;
    line-height: 1.4;
}

.post-info .post-date,
.gallery-info .gallery-date {
    font-size: 0.8rem;
    color: var(--gray);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* 社交媒体订阅区域 */
.social-subscribe {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.social-subscribe h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
    font-weight: 600;
}

.social-subscribe p {
    margin-bottom: 20px;
    color: var(--gray);
    font-size: 0.9rem;
}

.social-platforms {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
}

.platform-link {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    background-color: var(--light-gray);
    border-radius: 8px;
    transition: var(--transition);
    text-decoration: none;
    color: var(--dark);
}

.platform-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.platform-link.youtube:hover {
    background-color: #FF0000;
    color: white;
}

.platform-link.bilibili:hover {
    background-color: #FB7299;
    color: white;
}

.platform-link.douyin:hover {
    background-color: #000000;
    color: white;
}

.platform-icon {
    font-size: 1.5rem;
    margin-right: 15px;
    width: 30px;
    text-align: center;
}

.platform-info {
    flex: 1;
    text-align: left;
}

.platform-name {
    font-weight: 600;
    margin-bottom: 3px;
}

.platform-desc {
    font-size: 0.8rem;
    color: var(--gray);
    transition: var(--transition);
}

.platform-link:hover .platform-desc {
    color: rgba(255, 255, 255, 0.8);
}

/* 友情链接区域 */
.friend-links {
    padding: 40px 0;
    margin-bottom: 0;
}

.friend-links h2 {
    text-align: left;
    margin-bottom: 30px;
    font-size: 1.8rem;
    color: var(--dark);
}

.friend-links-container {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: flex-start;
}

.friend-link {
    display: inline-block;
    padding: 5px 10px;
    background-color: #fff;
    border-radius: 30px;
    transition: var(--transition);
    font-weight: 500;
}

.friend-link:hover {
    background-color: var(--primary);
    color: white;
    transform: translateY(-3px);
}

/* 页脚 */
footer {
    background-color: var(--dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

.footer-column p {
    margin-bottom: 15px;
    color: #b0b0b0;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #b0b0b0;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 5px;
}

.qrcode-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.qrcode {
    width: 150px;
    height: 150px;
    background-color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark);
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.qrcode-text {
    color: #b0b0b0;
    font-size: 0.9rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #b0b0b0;
    font-size: 0.9rem;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100%;
    background-color: white;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
    padding: 60px 30px 30px;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu nav ul {
    flex-direction: column;
    list-style: none;
}

.mobile-menu nav ul li {
    margin: 0 0 20px 0;
}

.mobile-menu nav ul li a {
    font-size: 1.1rem;
    padding: 10px 0;
    display: block;
    border-bottom: 1px solid var(--light-gray);
    transition: var(--transition);
}

.mobile-menu nav ul li a:hover {
    color: var(--primary);
    padding-left: 10px;
}

.mobile-search {
    margin-top: 15px;
    overflow: hidden;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    border-radius: 15px;
}

.mobile-search input {
    width: 100%;
    font-size: 1rem;
    flex: 1;
    padding: 10px;
    border: none;
    border-right: 1px solid var(--light-gray);
}

.mobile-search input:focus {
    outline: none;
    border-color: var(--primary);
}

.mobile-search button {
    background: none;
    border: none;
    padding: 12px 15px;
    cursor: pointer;
    color: var(--dark);
    transition: var(--transition);
    font-size: 1.1rem;
}

.close-menu {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--dark);
    cursor: pointer;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 响应式设计 */
@media (max-width: 992px) {
    /* 导航在992px及以下时隐藏，显示汉堡菜单 */
    .nav-container nav, .search-icon {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .main-content {
        grid-template-columns: 1fr;
    }

    .gallery-thumbnails {
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .friend-links-container {
        justify-content: center;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-gallery-image img {
        height: 400px;
    }

    .gallery-thumbnails {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: 15px;
        justify-content: center;
    }

    .article-content-section {
        padding: 25px;
    }

    .article-title-large {
        font-size: 1.8rem;
    }

    .article-image-large {
        height: 250px;
    }

    .article-card-horizontal {
        flex-direction: column;
    }
    
    .article-image-horizontal {
        width: 100%;
        height: 200px;
    }

    .galleries-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .qrcode-container {
        margin-top: 20px;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 684px) {
     .large-rectangle {
      width: 100%;
      height: 386px;
    }
}

@media (max-width: 576px) {
    .article-body iframe{
        height: 220px;
    }
    .articles-grid {
        grid-template-columns: 1fr;
    }

    .main-gallery-image img {
        height: 300px;
    }

    .image-caption h2 {
        font-size: 1.4rem;
    }

    .thumbnail {
        width: 70px;
        height: 50px;
    }

    .page-title {
        font-size: 2rem;
    }

    .article-title-large {
        font-size: 1.5rem;
    }

    .article-title-horizontal {
        font-size: 1.3rem;
    }

    .article-actions {
        flex-direction: column;
        gap: 20px;
    }

    .share-buttons, .nav-buttons {
        width: 100%;
        justify-content: center;
    }

    .gallery-title {
        font-size: 1.1rem;
    }

    .galleries-grid {
        grid-template-columns: 1fr;
    }

    .friend-links-container {
        justify-content: center;
    }
    
}