/* styles.css */
/* 基础样式与重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #1a237e;
    --secondary-color: #3949ab;
    --accent-color: #e53935;
    --text-dark: #333333;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* 头部样式 */
.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 20px;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 1px;
}

.navbar {
    position: relative;
}

.navbar ul {
    display: flex;
    gap: 25px;
}

.nav-menu {
    display: flex;
    gap: 25px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.navbar a {
    font-weight: 600;
    padding: 8px 0;
    position: relative;
    color: var(--text-dark);
}

.navbar a:hover,
.navbar a.active {
    color: var(--primary-color);
}

.navbar a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 4px 0;
    background-color: var(--text-dark);
    transition: var(--transition);
}

/* 移动端导航菜单 */
@media screen and (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
    }

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

    .nav-menu li {
        margin: 15px 0;
    }

    .hamburger {
        display: flex;
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
}

/* 主内容区 */
.main-content {
    padding: 30px 0;
    flex: 1;
}

/* 特色模块 */
.featured-section {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.featured-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.featured-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.featured-image {
    height: 300px;
    background-size: cover;
    background-position: center;
    position: relative;
    flex-shrink: 0;
}

.featured-content {
    padding: 25px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.featured-content h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    line-height: 1.3;
}

.featured-content h2 a:hover {
    color: var(--primary-color);
}

.featured-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    flex: 1;
}

.featured-side {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.side-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.side-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.side-image {
    height: 150px;
    background-size: cover;
    background-position: center;
    position: relative;
    flex-shrink: 0;
}

.side-card h3 {
    padding: 15px 15px 10px;
    font-size: 1.2rem;
    line-height: 1.3;
}

.side-card h3 a:hover {
    color: var(--primary-color);
}

/* 模块标题样式 */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.section-header h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.view-all {
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 5px;
}

.view-all:hover {
    text-decoration: underline;
}

/* 新闻网格模块 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.news-card {
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

.card-image {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
    flex-shrink: 0;
}

.card-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-content h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    line-height: 1.3;
}

.card-content p {
    color: var(--text-light);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

/* 列表模块 */
.article-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
}

.list-item {
    display: flex;
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    padding: 20px;
    align-items: center;
}

.list-item:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.list-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--bg-light);
    -webkit-text-stroke: 1px var(--primary-color);
    min-width: 60px;
    text-align: center;
}

.list-content {
    flex: 1;
}

.list-content h3 {
    font-size: 1.2rem;
    margin-bottom: 8px;
    line-height: 1.3;
}

.list-content p {
    color: var(--text-light);
    margin-bottom: 10px;
    font-size: 0.95rem;
}

/* 瀑布流模块 */
.masonry-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    grid-auto-rows: 200px;
    gap: 20px;
    margin-bottom: 40px;
}

.masonry-item {
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    grid-row: span 1;
    position: relative;
}

.masonry-item.tall {
    grid-row: span 2;
}

.masonry-item.wide {
    grid-column: span 2;
}

.masonry-image {
    height: 100%;
    background-size: cover;
    background-position: center;
    position: relative;
    flex: 1;
}

.masonry-content {
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.masonry-content h3 {
    font-size: 1.1rem;
    margin-bottom: 5px;
    line-height: 1.3;
}

.masonry-content h3 a:hover {
    color: #ffffff;
}

/* 分类页面样式 */
.category-header {
    background-color: var(--primary-color);
    color: white;
    padding: 30px 0;
    text-align: center;
    margin-bottom: 30px;
}

.category-header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.category-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.category-articles {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.category-card {
    display: flex;
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.category-card .card-image {
    min-width: 300px;
    height: auto;
}

.category-card .card-content {
    flex: 1;
    padding: 25px;
}

.category-card h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    line-height: 1.3;
}

.category-card p {
    color: var(--text-light);
    margin-bottom: 15px;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--bg-white);
    border-radius: 50%;
    font-weight: 600;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

/* 侧边栏样式 */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background-color: var(--bg-white);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
}

.sidebar-widget h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    color: var(--primary-color);
}

.trending-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.trending-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.trending-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--bg-light);
    -webkit-text-stroke: 1px var(--primary-color);
    min-width: 30px;
}

.trending-content h4 {
    font-size: 1rem;
    margin-bottom: 5px;
    line-height: 1.3;
}

.trending-content span {
    font-size: 0.8rem;
    color: var(--text-light);
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.newsletter-form input {
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
}

.newsletter-form button {
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    background-color: var(--secondary-color);
}

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

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

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

/* 文章详情页样式 */
.article-breadcrumb {
    margin-bottom: 20px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.article-breadcrumb a:hover {
    text-decoration: underline;
}

.article-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
}

.article-main {
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.article-header {
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
}

.article-header h1 {
    font-size: 2rem;
    line-height: 1.3;
    margin: 15px 0;
}

.article-meta {
    display: flex;
    gap: 20px;
    color: var(--text-light);
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.article-image {
    height: 450px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 10px 15px;
    font-size: 0.85rem;
}

.article-content {
    padding: 30px;
}

.article-content h2 {
    font-size: 1.5rem;
    margin: 25px 0 15px;
    color: var(--primary-color);
}

.article-content p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.article-content ul {
    margin: 20px 0;
    padding-left: 20px;
    list-style: disc;
}

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

blockquote {
    border-left: 4px solid var(--primary-color);
    padding: 15px 20px;
    margin: 25px 0;
    background-color: var(--bg-light);
    font-style: italic;
    font-size: 1.1rem;
}

blockquote cite {
    display: block;
    margin-top: 10px;
    font-style: normal;
    font-size: 0.9rem;
    color: var(--text-light);
}

.article-tags {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.article-tags span {
    font-weight: 600;
}

.article-tags a {
    padding: 5px 12px;
    background-color: var(--bg-light);
    border-radius: 15px;
    font-size: 0.85rem;
}

.article-tags a:hover {
    background-color: var(--primary-color);
    color: white;
}

.article-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

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

.share-buttons span {
    font-weight: 600;
}

.share-buttons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--bg-light);
    transition: var(--transition);
}

.share-buttons a:hover {
    background-color: var(--primary-color);
    color: white;
}

.article-navigation {
    display: flex;
    gap: 20px;
}

.article-navigation a {
    padding: 8px 15px;
    background-color: var(--bg-light);
    border-radius: 4px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.article-navigation a:hover {
    background-color: var(--primary-color);
    color: white;
}

/* 相关文章 */
.related-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.related-item {
    display: flex;
    gap: 15px;
    padding: 10px;
    border-radius: 6px;
    transition: var(--transition);
}

.related-item:hover {
    background-color: var(--bg-light);
}

.related-image {
    width: 80px;
    height: 60px;
    background-size: cover;
    background-position: center;
    border-radius: 4px;
    flex-shrink: 0;
}

.related-content h4 {
    font-size: 0.95rem;
    margin-bottom: 5px;
    line-height: 1.3;
}

.related-content span {
    font-size: 0.8rem;
    color: var(--text-light);
}

/* 作者框 */
.author-box {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background-color: var(--bg-light);
    border-radius: 8px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    background-image: url('https://via.placeholder.com/60x60/3949ab/ffffff?text=SJ');
    background-size: cover;
    background-position: center;
}

.author-info h4 {
    font-size: 1.1rem;
    margin-bottom: 3px;
}

.author-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

/* 法律页面样式 */
.legal-layout {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.legal-content h1 {
    font-size: 2.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.legal-content h2 {
    font-size: 1.5rem;
    margin: 30px 0 15px;
    color: var(--primary-color);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.legal-content h3 {
    font-size: 1.2rem;
    margin: 20px 0 10px;
    color: var(--secondary-color);
}

.legal-content p {
    margin-bottom: 15px;
    line-height: 1.7;
}

.legal-content ul {
    margin: 15px 0 15px 20px;
    list-style: disc;
}

.legal-content ul li {
    margin-bottom: 8px;
}

/* 页脚样式 */
.footer {
    background-color: #1a1a1a;
    color: #cccccc;
    padding: 10px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.footer-col h3 {
    color: white;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.footer-col p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.footer-col ul li {
    margin-bottom: 12px;
}

.footer-col ul li a:hover {
    color: white;
    text-decoration: underline;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
}

.footer-bottom {
    text-align: center;
    font-size: 0.9rem;
    color: #999;
}

/* 通用元素样式 */
.category-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--accent-color);
    color: white;
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 2;
}

.article-date {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 0.85rem;
    color: var(--text-light);
}

.card-meta {
    display: flex;
    gap: 15px;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: auto;
    padding-top: 15px;
}

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

    .featured-side {
        flex-direction: row;
    }

    .category-layout,
    .article-layout {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .navbar ul {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .featured-side {
        flex-direction: column;
    }

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

    .masonry-item.wide {
        grid-column: span 1;
    }

    .category-card {
        flex-direction: column;
    }

    .category-card .card-image {
        min-width: 100%;
        height: 200px;
    }

    .list-item {
        flex-direction: column;
        align-items: flex-start;
    }

    .list-number {
        margin-bottom: 10px;
    }

    .article-content,
    .article-header,
    .article-footer {
        padding: 20px;
    }

    .article-header h1 {
        font-size: 1.8rem;
    }

    .legal-content {
        padding: 25px;
    }
    p,.category-card h2,.featured-content h2{
        margin-bottom: 0 !important;
    }
    .main-content{
        padding: 5px 0;
    }
    .container{
        padding: 0 5px;
    }
    .featured-section,.news-grid,.category-articles {
        gap:5px;
    }
    .featured-section,.section-header,.article-list,.masonry-grid{
        margin-bottom: 5px;
    }
    .category-header{
        padding: 5px;
        margin: 0;
    }
    .category-header h1{
        margin: 0;
        font-size: 1.5rem;
    }
    .category-card .card-content,.featured-content,.card-content,.masonry-content{
        padding: 10px;
    }
}

@media (max-width: 576px) {
    .news-grid {
        grid-template-columns: 1fr;
    }

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

    .masonry-item.tall {
        grid-row: span 1;
    }

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

    .share-buttons,
    .article-navigation {
        flex-direction: column;
        width: 100%;
    }

    .article-navigation a {
        width: 100%;
        justify-content: center;
    }
}