/* 全局基础样式（复用原样式） */
        :root {
            --primary-color: #2563EB; /* 主色调-沉稳蓝 */
            --secondary-color: #0D9488; /* 辅助色-青绿色 */
            --dark-color: #1E293B; /* 深色文本 */
            --light-color: #F8FAFC; /* 浅色背景 */
            --gray-color: #94A3B8; /* 灰色文本 */
            --white-color: #FFFFFF; /* 白色 */
            --border-color: #E2E8F0; /* 边框色 */
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
            --shadow-lg: 0 8px 16px rgba(0,0,0,0.1);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: "Microsoft Yahei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
            color: var(--dark-color);
            line-height: 1.6;
            background-color: var(--light-color);
            scroll-behavior: smooth;
        }

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

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

        /* 头部样式（复用） */
        .header {
            background-color: var(--white-color);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 999;
            padding: 8px 0;
        }

        .logo {
            font-size: 26px;
            font-weight: 700;
            color: var(--primary-color);
            display: inline-block;
        }

        .logo span {
            color: var(--dark-color);
        }

        /* 导航菜单样式（复用） */
        .nav-main {
            display: flex;
            justify-content: flex-end;
            align-items: center;
        }
        
        .nav-item {
            position: relative;
            margin: 0 2px;
        }
        
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            padding: 10px 16px !important;
            border-radius: var(--radius-sm);
            display: inline-block;
            color: var(--dark-color);
        }

        .nav-link.active, .nav-link:hover {
            color: var(--primary-color) !important;
            background-color: rgba(37, 99, 235, 0.05);
        }
        
        /* 下拉菜单样式（复用） */
        .dropdown {
            position: relative;
            display: inline-block;
        }
        
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: var(--white-color);
            min-width: 200px;
            box-shadow: var(--shadow-md);
            border-radius: var(--radius-md);
            border: none;
            padding: 10px 0;
            margin-top: 5px;
            display: none;
            z-index: 9999;
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.2s ease;
        }
        
        .dropdown:hover .dropdown-menu {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }
        
        .dropdown-item {
            padding: 8px 20px;
            font-size: 14px;
            color: var(--dark-color);
            display: flex;
            align-items: center;
            white-space: nowrap;
        }
        
        .dropdown-item:hover {
            background-color: rgba(37, 99, 235, 0.05);
            color: var(--primary-color);
        }
        
        .dropdown-item i {
            margin-right: 8px;
            font-size: 12px;
            color: var(--gray-color);
        }
        
        .dropdown-toggle::after {
            margin-left: 6px;
            font-size: 10px;
        }

        /* Banner样式（适配文章列表页） */
        .article-banner {
            height: 200px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            margin: 20px 0;
            position: relative;
            box-shadow: var(--shadow-md);
        }
        
        .article-banner-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .article-banner-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.2));
            display: flex;
            align-items: center;
            padding: 0 50px;
        }
        
        .article-banner-content h2 {
            color: var(--white-color);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        
        .article-banner-content p {
            color: var(--white-color);
            opacity: 0.9;
            font-size: 16px;
            max-width: 600px;
        }

        /* 文章列表页核心样式 */
        .article-container {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
            margin: 30px 0;
        }
        
        /* 左侧文章列表 */
        .article-list {
            background-color: var(--white-color);
            border-radius: var(--radius-md);
            padding: 25px;
            box-shadow: var(--shadow-sm);
        }
        
        .article-list-header {
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 15px;
            margin-bottom: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .article-list-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark-color);
            display: flex;
            align-items: center;
        }
        
        .article-list-title i {
            color: var(--primary-color);
            margin-right: 10px;
        }
        
        .article-categories {
            display: flex;
            gap: 10px;
        }
        
        .category-btn {
            padding: 5px 15px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--gray-color);
            background-color: var(--light-color);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .category-btn.active {
            background-color: var(--primary-color);
            color: var(--white-color);
            border-color: var(--primary-color);
        }
        
        .category-btn:hover:not(.active) {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }
        
        /* 文章项样式 */
        .article-item {
            display: grid;
            grid-template-columns: 180px 1fr;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px dashed var(--border-color);
        }
        
        .article-item:last-child {
            border-bottom: none;
        }
        
        .article-img {
            width: 100%;
            height: 120px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        
        .article-item:hover .article-img {
            transform: scale(1.03);
        }
        
        .article-content {
            display: flex;
            flex-direction: column;
        }
        
        .article-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        
        .article-title:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        
        .article-excerpt {
            font-size: 14px;
            color: var(--gray-color);
            margin-bottom: 15px;
            flex: 1;
            line-height: 1.7;
        }
        
        .article-meta {
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 13px;
            color: var(--gray-color);
        }
        
        .article-meta i {
            margin-right: 5px;
            font-size: 12px;
        }
        
        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 30px;
            gap: 8px;
        }
        
        .page-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            background-color: var(--white-color);
            color: var(--dark-color);
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .page-btn:hover:not(.active):not(.disabled) {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }
        
        .page-btn.active {
            background-color: var(--primary-color);
            color: var(--white-color);
            border-color: var(--primary-color);
        }
        
        .page-btn.disabled {
            color: var(--gray-color);
            cursor: not-allowed;
            background-color: var(--light-color);
        }
        
        .page-prev, .page-next {
            width: auto;
            padding: 0 15px;
        }

        /* 右侧推荐区域 */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        
        .sidebar-widget {
            background-color: var(--white-color);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }
        
        .widget-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
            display: flex;
            align-items: center;
        }
        
        .widget-title i {
            color: var(--secondary-color);
            margin-right: 8px;
            font-size: 16px;
        }
        
        /* 热门推荐 */
        .hot-article-list {
            list-style: none;
            padding: 0;
        }
        
        .hot-article-item {
            display: flex;
            gap: 10px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-color);
        }
        
        .hot-article-item:last-child {
            border-bottom: none;
        }
        
        .hot-article-rank {
            width: 24px;
            height: 24px;
            background-color: var(--primary-color);
            color: var(--white-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }
        
        .hot-article-rank.top3 {
            background-color: #F59E0B;
        }
        
        .hot-article-content {
            flex: 1;
        }
        
        .hot-article-title {
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 5px;
            transition: var(--transition);
        }
        
        .hot-article-title:hover {
            color: var(--primary-color);
        }
        
        .hot-article-meta {
            font-size: 12px;
            color: var(--gray-color);
        }
        
        /* 分类导航 */
        .category-nav {
            list-style: none;
            padding: 0;
        }
        
        .category-nav-item {
            padding: 10px 15px;
            border-radius: var(--radius-sm);
            margin-bottom: 8px;
            transition: var(--transition);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .category-nav-item:hover {
            background-color: rgba(37, 99, 235, 0.05);
            padding-left: 20px;
        }
        
        .category-nav-item a {
            font-size: 15px;
            display: flex;
            align-items: center;
        }
        
        .category-nav-item i {
            margin-right: 8px;
            color: var(--secondary-color);
            font-size: 12px;
        }
        
        .category-count {
            background-color: var(--light-color);
            color: var(--gray-color);
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 12px;
        }
        
        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }
        
        .tag-item {
            padding: 6px 12px;
            background-color: var(--light-color);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--gray-color);
            transition: var(--transition);
        }
        
        .tag-item:hover {
            background-color: var(--primary-color);
            color: var(--white-color);
        }

        /* 底部样式（复用） */
        .footer {
            background-color: var(--dark-color);
            color: #CBD5E1;
            padding: 50px 0 20px;
            margin-top: 40px;
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--white-color);
            margin-bottom: 16px;
            display: inline-block;
        }

        .footer-desc {
            margin-bottom: 16px;
            line-height: 1.7;
            font-size: 14px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--white-color);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary-color);
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: #CBD5E1;
            transition: var(--transition);
            font-size: 14px;
        }

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

        .copyright {
            text-align: center;
            padding-top: 20px;
            margin-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 13px;
            color: #94A3B8;
        }

        /* 回到顶部按钮（复用） */
        #back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            line-height: 44px;
            text-align: center;
            background-color: var(--primary-color);
            color: var(--white-color);
            border-radius: 50%;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            display: none;
            z-index: 998;
            transition: var(--transition);
        }

        #back-to-top:hover {
            background-color: #1D4ED8;
            transform: translateY(-3px);
        }

        /* 响应式样式 */
        @media (max-width: 992px) {
            .article-container {
                grid-template-columns: 1fr;
            }
            
            .article-banner {
                height: 180px;
            }
            
            .article-banner-overlay {
                padding: 0 30px;
            }
            
            .article-banner-content h2 {
                font-size: 24px;
            }
            
            .article-banner-content p {
                font-size: 14px;
            }
            
            .article-item {
                grid-template-columns: 140px 1fr;
            }
            
            .article-img {
                height: 100px;
            }
            
            .article-title {
                font-size: 16px;
            }
        }

        @media (max-width: 768px) {
            .header {
                padding: 8px 0;
            }
            
            .logo {
                font-size: 22px;
                display: block;
                text-align: center;
                margin-bottom: 12px;
            }
            
            .nav-main {
                justify-content: center !important;
                flex-wrap: wrap;
            }
            
            .nav-link {
                padding: 8px 12px !important;
                font-size: 14px;
            }
            
            .article-banner {
                height: 150px;
            }
            
            .article-banner-overlay {
                padding: 0 20px;
                background: linear-gradient(to right, rgba(0,0,0,0.7), rgba(0,0,0,0.4));
            }
            
            .article-banner-content h2 {
                font-size: 20px;
            }
            
            .article-banner-content p {
                display: none;
            }
            
            .article-list-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            
            .article-categories {
                flex-wrap: wrap;
            }
            
            .article-item {
                grid-template-columns: 1fr;
                gap: 15px;
            }
            
            .article-img {
                height: 180px;
            }
            
            .page-btn {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }
            
            .page-prev, .page-next {
                padding: 0 10px;
            }
        }

        @media (max-width: 576px) {
            .article-list {
                padding: 15px;
            }
            
            .article-img {
                height: 150px;
            }
            
            .article-title {
                font-size: 15px;
            }
            
            .article-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
            
            .widget-title {
                font-size: 16px;
            }
            
            #back-to-top {
                width: 40px;
                height: 40px;
                line-height: 40px;
                bottom: 20px;
                right: 20px;
            }
        }