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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

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

a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #000;
    text-decoration: underline;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 400;
    margin-bottom: 15px;
    line-height: 1.2;
}

p {
    margin-bottom: 0px !important;
}

ul {
    list-style-type: none;
}

/* Header Styles */
.site-header {
    height: auto;
    max-height: 160px;
    padding: 30px 0;
    border-bottom: 1px solid #eee;
    background-color: #fff;
}

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

.logo img {
    width: 85px;
    height: 36px;
}

.main-nav ul {
    display: flex;
    gap: 30px;
}

.main-nav a {
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 300;
}

.main-nav a:hover {
    text-decoration: none;
    color: #000;
}

.mobile-menu-toggle {
    display: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #333;
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

/* Main Content Styles */
.site-main {
    padding: 50px 0;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
}

/* Featured Article */
.featured-article {
    display: flex;
    margin-bottom: 60px;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid #eee;
}

.featured-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-image {
    flex: 1;
}

.category-badge {
    display: inline-block;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 12px;
    background-color: #f5f5f5;
    margin-bottom: 20px;
    font-weight: 300;
}

.featured-title {
    font-size: 36px;
    margin-bottom: 25px;
}

.featured-title a:hover {
    text-decoration: none;
}

.featured-excerpt {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 25px;
    color: #666;
}

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

/* Content Grid */
.content-grid {
    display: flex;
    gap: 40px;
}

.main-articles {
    flex: 3;
}

.section-title {
    margin-bottom: 40px;
}

.section-title h2 {
    font-size: 28px;
    font-weight: 400;
}

/* Article Grid */
.article-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.article-card {
    border-bottom: 1px solid #eee;
    padding-bottom: 30px;
}

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

.article-image {
    margin-bottom: 20px;
    overflow: hidden;
}

.article-image img {
    transition: transform 0.3s ease;
}

.article-image:hover img {
    transform: scale(1.02);
}

.article-title {
    font-size: 22px;
    margin-bottom: 15px;
}

.article-excerpt {
    color: #666;
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.7;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.page-link {
    padding: 8px 15px;
    font-size: 15px;
    border: 1px solid #eee;
}

.page-link.active {
    background-color: #f5f5f5;
    border-color: #f5f5f5;
}

.page-link:hover {
    background-color: #f5f5f5;
    text-decoration: none;
}

/* Sidebar */
.sidebar {
    flex: 1;
}

.widget {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.widget:last-child {
    border-bottom: none;
}

.widget-title {
    font-size: 20px;
    margin-bottom: 25px;
    font-weight: 400;
}

/* Search Widget */
.search-form {
    display: flex;
}

.search-form input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid #eee;
    font-size: 15px;
    background-color: #f9f9f9;
}

.search-form button {
    padding: 12px 20px;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.search-form button:hover {
    background-color: #000;
}

/* Categories Widget */
.categories-widget ul li {
    margin-bottom: 15px;
}

.categories-widget a {
    font-size: 15px;
    display: block;
    padding: 5px 0;
}

/* Trending Widget */
.trending-widget ul li {
    margin-bottom: 20px;
}

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

.trending-number {
    font-size: 36px;
    font-weight: 200;
    color: #eee;
    line-height: 1;
}

.trending-title {
    font-size: 15px;
    line-height: 1.6;
}

/* Footer Styles */
.site-footer {
    height: auto;
    max-height: 160px;
    background-color: #f9f9f9;
    border-top: 1px solid #eee;
        padding: 10px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
}

.footer-column {
    flex: 1;
}

.footer-description {
    max-width: 400px;
    font-size: 14px;
    color: #666;
    margin-top: 15px;
}

.footer-links {
    display: flex;
    flex-direction: row;
    gap: 10px;
    justify-content: center;
    margin-bottom: 0;

}

.footer-links a {
    font-size: 14px;
}

.footer-bottom {
    text-align: center;
    font-size: 13px;
    color: #999;

}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: #fff;
    z-index: 1000;
    transition: right 0.3s ease;
    padding: 30px;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
}

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

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.mobile-menu-close {
    cursor: pointer;
}

.mobile-menu-close span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: #333;
    margin-bottom: 5px;
    transition: all 0.3s ease;
}

.mobile-menu-close span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-close span:nth-child(2) {
    transform: rotate(-45deg) translate(0, 0);
    margin-bottom: 0;
}

.mobile-nav ul {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.mobile-nav a {
    font-size: 18px;
    font-weight: 300;
}

/* Category Page Styles */
.category-header {
    text-align: center;
    margin-bottom: 60px;
}

.category-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
    font-weight: 300;
}

.category-description {
    font-size: 18px;
    color: #666;
    max-width: 700px;
    margin: 0 auto;
}

/* Detail Page Styles */
.article-detail {
    max-width: 800px;
    margin: 0 auto;
}

.article-detail-header {
    text-align: center;
    margin-bottom: 40px;
}

.article-detail-header .article-title {
    font-size: 42px;
    margin-bottom: 20px;
}

.article-detail-image {
    margin-bottom: 40px;
}

.article-content {
    font-size: 18px;
    line-height: 1.8;
    color: #333;
}

.article-content h2 {
    font-size: 30px;
    margin: 40px 0 20px;
}

.article-content blockquote {
    border-left: 3px solid #eee;
    padding-left: 20px;
    font-style: italic;
    margin: 30px 0;
    color: #666;
}

.article-content ul {
    list-style-type: disc;
    padding-left: 30px;
    margin: 20px 0;
}

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

.article-tags {
    margin: 40px 0;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.article-tags a {
    display: inline-block;
    padding: 5px 12px;
    background-color: #f5f5f5;
    margin-right: 10px;
    margin-bottom: 10px;
    font-size: 14px;
}

.author-bio {
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 40px 0;
    padding: 30px;
    background-color: #f9f9f9;
}

.author-image img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
}

.author-title {
    font-size: 14px;
    color: #666;
    margin-bottom: 10px;
}

.comments-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

.comments-list {
    margin-bottom: 40px;
}

.comment {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.comment:last-child {
    border-bottom: none;
}

.comment-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
}

.comment-content h4 {
    font-size: 16px;
    margin-bottom: 5px;
}

.comment-date {
    display: block;
    font-size: 14px;
    color: #999;
    margin-bottom: 10px;
}

.reply-link {
    font-size: 14px;
    color: #666;
    margin-top: 10px;
    display: inline-block;
}

.comment-form textarea {
    width: 100%;
    height: 120px;
    padding: 15px;
    border: 1px solid #eee;
    margin-bottom: 15px;
    font-family: inherit;
}

.comment-form input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #eee;
    margin-bottom: 15px;
}

.comment-form button {
    padding: 12px 30px;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
}

.comment-form button:hover {
    background-color: #000;
}

/* Page Styles */
.page-header {
    text-align: center;
    margin-bottom: 50px;
}

.page-header h1 {
    font-size: 42px;
    font-weight: 300;
}

.page-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 17px;
    line-height: 1.8;
}

.page-content h2 {
    font-size: 28px;
    margin: 40px 0 20px;
}

.page-content h3 {
    font-size: 22px;
    margin: 30px 0 15px;
}

.page-content ul {
    list-style-type: disc;
    padding-left: 30px;
    margin: 20px 0;
}

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

.page-content address {
    font-style: normal;
    margin: 20px 0;
}

/* Responsive Styles */
@media (max-width: 1199px) {
    .featured-article {
        gap: 30px;
    }
    
    .featured-title {
        font-size: 30px;
    }
    
    .article-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 991px) {
    .main-nav {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .featured-article {
        flex-direction: column;
        gap: 30px;
    }
    
    .content-grid {
        flex-direction: column;
    }
    
    .article-detail-header .article-title {
        font-size: 36px;
    }
}

@media (max-width: 767px) {
    /* 移动端适配 - 所有内外间距不超过10px */
    .container {
        padding: 0 10px;
    }
    
    .site-header {
        padding: 10px 0;
    }
    
    .header-content {
        gap: 10px;
    }
    
    .main-nav ul {
        gap: 10px;
    }
    
    .site-main {
        padding: 10px 0;
    }
    
    .featured-article {
        margin-bottom: 10px;
        gap: 10px;
        padding-bottom: 10px;
    }
    
    .category-badge {
        padding: 5px 10px;
        margin-bottom: 10px;
    }
    
    .featured-title {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .featured-excerpt {
        font-size: 14px;
        margin-bottom: 10px;
    }
    
    .article-meta {
        gap: 10px;
    }
    
    .content-grid {
        gap: 10px;
    }
    
    .section-title {
        margin-bottom: 10px;
    }
    
    .article-grid {
        gap: 10px;
        margin-bottom: 10px;
    }
    
    .article-card {
        padding-bottom: 10px;
    }
    
    .article-image {
        margin-bottom: 10px;
    }
    
    .article-title {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .article-excerpt {
        margin-bottom: 10px;
    }
    
    .pagination {
        gap: 5px;
        margin-top: 10px;
    }
    
    .page-link {
        padding: 5px 10px;
    }
    
    .widget {
        margin-bottom: 10px;
        padding-bottom: 10px;
    }
    
    .widget-title {
        margin-bottom: 10px;
    }
    
    .search-form input {
        padding: 8px 10px;
    }
    
    .search-form button {
        padding: 8px 10px;
    }
    
    .categories-widget ul li {
        margin-bottom: 10px;
    }
    
    .trending-widget ul li {
        margin-bottom: 10px;
    }
    
    .trending-item {
        gap: 10px;
    }
    
    .site-footer {
        padding: 10px 0;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 10px;
        margin-bottom: 10px;
    }
    
    .footer-description {
        margin-top: 10px;
    }
    
    .footer-links {
        gap: 10px;
    }
    
    .mobile-menu {
        padding: 10px;
    }
    
    .mobile-menu-header {
        margin-bottom: 10px;
    }
    
    .mobile-nav ul {
        gap: 10px;
    }
    
    .category-header {
        margin-bottom: 10px;
    }
    
    .article-detail {
        padding: 0 10px;
    }
    
    .article-detail-header {
        margin-bottom: 10px;
    }
    
    .article-detail-header .article-title {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .article-detail-image {
        margin-bottom: 10px;
    }
    
    .article-content h2 {
        margin: 10px 0 10px;
    }
    
    .article-content blockquote {
        padding-left: 10px;
        margin: 10px 0;
    }
    
    .article-content ul {
        padding-left: 20px;
        margin: 10px 0;
    }
    
    .article-content li {
        margin-bottom: 5px;
    }
    
    .article-tags {
        margin: 10px 0;
        padding-top: 10px;
    }
    
    .article-tags a {
        padding: 5px 10px;
        margin-right: 5px;
        margin-bottom: 5px;
    }
    
    .author-bio {
        gap: 10px;
        margin: 10px 0;
        padding: 10px;
    }
    
    .author-title {
        margin-bottom: 5px;
    }
    
    .comments-section {
        margin-top: 10px;
        padding-top: 10px;
    }
    
    .comments-list {
        margin-bottom: 10px;
    }
    
    .comment {
        gap: 10px;
        margin-bottom: 10px;
        padding-bottom: 10px;
    }
    
    .comment-content h4 {
        margin-bottom: 5px;
    }
    
    .comment-date {
        margin-bottom: 5px;
    }
    
    .reply-link {
        margin-top: 5px;
    }
    
    .comment-form textarea {
        padding: 10px;
        margin-bottom: 10px;
    }
    
    .comment-form input {
        padding: 10px;
        margin-bottom: 10px;
    }
    
    .comment-form button {
        padding: 10px 15px;
    }
    
    .page-header {
        margin-bottom: 10px;
    }
    
    .page-header h1 {
        font-size: 20px;
    }
    
    .page-content h2 {
        margin: 10px 0 10px;
    }
    
    .page-content h3 {
        margin: 10px 0 10px;
    }
    
    .page-content ul {
        padding-left: 20px;
        margin: 10px 0;
    }
    
    .page-content li {
        margin-bottom: 5px;
    }
    
    .page-content address {
        margin: 10px 0;
    }
}