:root {
            /* 优化配色方案 - 使用蓝色系，避免紫色 */
            --primary-color: #2563eb;
            --primary-light: #3b82f6;
            --primary-dark: #1d4ed8;
            --secondary-color: #0ea5e9;
            --accent-color: #06b6d4;
            --success-color: #10b981;
            --warning-color: #f59e0b;
            --info-color: #0ea5e9;
            
            /* 中性色调 */
            --light-color: #f8fafc;
            --light-gray: #f1f5f9;
            --medium-gray: #e2e8f0;
            --gray-color: #94a3b8;
            --dark-gray: #64748b;
            --dark-color: #1e293b;
            --darker-color: #0f172a;
            
            /* 设计系统变量 */
            --border-radius: 16px;
            --border-radius-sm: 8px;
            --border-radius-lg: 24px;
            --box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
            --box-shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.12);
            --box-shadow-hover: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: all 0.2s ease;
        }

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

        /* 列表样式 */
        ul, ol {
            padding-left: 24px;
            list-style-position: inside;
        }

        ul {
            list-style-type: disc;
        }

        ol {
            list-style-type: decimal;
        }

        li {
            margin-bottom: 8px;
            line-height: 1.8;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.6;
            color: var(--dark-color);
            background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航栏 */
        .top-nav {
            background: white;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0.8rem 0;
            margin-bottom: 3rem;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .nav-logo i {
            color: var(--primary-color);
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .nav-link {
            color: var(--dark-gray);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            padding: 0.5rem 0;
            position: relative;
        }

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

        .nav-link.active {
            color: var(--primary-color);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary-color);
            border-radius: 2px;
        }

        .nav-actions {
            display: flex;
            gap: 1rem;
            align-items: center;
        }

        .subscribe-btn {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            text-decoration: none;
            padding: 0.6rem 1.2rem;
            border-radius: var(--border-radius-sm);
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .subscribe-btn:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
        }

        /* 头部样式优化 */
        header {
            padding: 0rem 0 2.5rem;
            margin-bottom: 3rem;
            position: relative;
            overflow: hidden;
        }


        .header-content {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .logo {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            letter-spacing: -0.5px;
        }

        .logo i {
            color: #fbbf24;
            background: rgba(255, 255, 255, 0.2);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(10px);
        }

        .tagline {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 800px;
            margin: 0 auto 2.5rem;
            font-weight: 300;
            line-height: 1.8;
        }

        /* 搜索框样式优化 */
        .search-container {
            max-width: 700px;
            margin: 0 auto;
            position: relative;
        }

        .search-box {
            width: 100%;
            padding: 1.2rem 1.8rem;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            color: var(--dark-color);
        }

        .search-box:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2), var(--box-shadow);
            background: white;
        }

        .search-box::placeholder {
            color: var(--gray-color);
        }

        .search-btn {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            border: none;
            color: white;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .search-btn:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
            transform: translateY(-50%) scale(1.05);
        }

        /* 工具数量统计优化 */
        .tools-count {
            text-align: center;
            margin-bottom: 2rem;
            color: var(--dark-gray);
            font-weight: 500;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .tools-count i {
            color: var(--primary-color);
        }

        #count {
            font-weight: 700;
            color: var(--primary-color);
            background: var(--light-gray);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 1.2rem;
        }

        /* 筛选器样式优化 */
        .filters {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 3rem;
            justify-content: center;
        }

        .filter-btn {
            padding: 0.8rem 1.6rem;
            border: 2px solid var(--medium-gray);
            border-radius: 50px;
            background: white;
            color: var(--dark-gray);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .filter-btn:hover {
            transform: translateY(-3px);
            box-shadow: var(--box-shadow);
            border-color: var(--primary-light);
            color: var(--primary-color);
        }

        .filter-btn.active {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            border-color: transparent;
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
        }

        .filter-btn i {
            font-size: 0.9rem;
        }

        /* 工具卡片样式优化 */
        .tools-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 2rem;
            margin-bottom: 4rem;
        }

        .tool-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.8);
        }

        .tool-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--box-shadow-hover);
        }

        .tool-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            z-index: 2;
        }

        .tool-header {
            padding: 1.8rem 1.8rem 0.8rem;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
        }

        .tool-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--darker-color);
            line-height: 1.3;
        }

        .tool-category {
            display: inline-block;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            background-color: #3b82f620;
            color: #3b82f6;
        }

        .tool-description {
            padding: 0 1.8rem 1.2rem;
            color: var(--dark-gray);
            flex-grow: 1;
            line-height: 1.7;
        }

        .tool-tags {
            padding: 0 1.8rem 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tool-tag {
            background: var(--light-gray);
            color: var(--dark-gray);
            padding: 0.4rem 0.9rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition-fast);
        }

        .tool-tag:hover {
            background: var(--medium-gray);
            transform: translateY(-2px);
        }

        .tool-footer {
            padding: 1.5rem 1.8rem;
            background: var(--light-gray);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }

        .tool-link {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            text-decoration: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius-sm);
            font-weight: 600;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
        }

        .tool-link:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
        }

        .tool-link.detail-btn {
            background: var(--dark-gray);
        }

        .tool-link.detail-btn:hover {
            background: var(--gray-color);
        }

        .tool-rating {
            color: #fbbf24;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 2px;
        }

        /* AI新闻板块样式 */
        .news-section {
            margin-bottom: 3rem;
        }

        .section-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--darker-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title i {
            color: var(--primary-color);
        }

        .view-all {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }

        .view-all:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        .news-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 1.5rem;
        }

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

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--box-shadow-hover);
        }

        .news-image {
            height: 180px;
            background: linear-gradient(135deg, var(--light-gray), var(--medium-gray));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray-color);
            font-size: 3rem;
        }
        
        .news-image img { 
            height: 180px;
            width: 100%;
            object-fit: cover;
        }

        .news-content {
            padding: 1.5rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .news-category {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            background: var(--light-gray);
            color: var(--primary-color);
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 0.8rem;
            align-self: flex-start;
        }

        .news-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--darker-color);
            line-height: 1.4;
        }

        .news-excerpt {
            color: var(--dark-gray);
            line-height: 1.6;
            margin-bottom: 1.2rem;
            flex-grow: 1;
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--gray-color);
            font-size: 0.9rem;
            padding-top: 1rem;
            border-top: 1px solid var(--light-gray);
        }

        .news-date {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .read-more {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }

        .read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* 页脚样式优化 */
        footer {
            background: var(--darker-color);
            color: white;
            padding: 3.5rem 0 2.5rem;
            border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
            margin-top: 4rem;
        }

        .footer-content {
            max-width: 1000px;
            margin: 0 auto;
            text-align: center;
        }

        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }

        .footer-logo i {
            color: var(--primary-light);
        }

        .footer-tagline {
            color: var(--gray-color);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            font-size: 1.1rem;
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2.5rem;
            margin: 2rem 0 3rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-links a:hover {
            color: white;
            transform: translateY(-2px);
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0 3rem;
        }

        .social-link {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

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

        .copyright {
            color: #64748b;
            font-size: 0.95rem;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* 工具详情弹窗优化 */
        .tool-modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            z-index: 2000;
            align-items: center;
            justify-content: center;
            padding: 20px;
            backdrop-filter: blur(5px);
        }

        .modal-content {
            background: white;
            border-radius: var(--border-radius);
            max-width: 800px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            box-shadow: var(--box-shadow-lg);
            animation: modalAppear 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        @keyframes modalAppear {
            from {
                opacity: 0;
                transform: translateY(30px) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--light-gray);
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            font-size: 1.5rem;
            color: var(--dark-gray);
            cursor: pointer;
            z-index: 10;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-close:hover {
            background: var(--medium-gray);
            transform: rotate(90deg);
        }

        .modal-body {
            padding: 2.5rem;
        }

        .modal-header {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--light-gray);
        }

        .modal-title {
            font-size: 2.2rem;
            margin-bottom: 0.5rem;
            color: var(--darker-color);
            font-weight: 800;
            line-height: 1.2;
        }

        .modal-category {
            display: inline-block;
            padding: 0.5rem 1.2rem;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .modal-description {
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 1.5rem;
            color: var(--dark-color);
        }

        .modal-section {
            margin-bottom: 2.5rem;
        }

        .modal-section h3 {
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            color: var(--darker-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .modal-section h3 i {
            color: var(--primary-color);
        }

        .features-list {
            list-style-type: none;
        }

        .features-list li {
            padding: 0.6rem 0;
            display: flex;
            align-items: flex-start;
            font-size: 1.05rem;
        }

        .features-list li i {
            color: var(--success-color);
            margin-right: 12px;
            margin-top: 5px;
            flex-shrink: 0;
        }

        .modal-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2.5rem;
        }

        .info-box {
            background: var(--light-gray);
            padding: 1.5rem;
            border-radius: var(--border-radius-sm);
            border-left: 4px solid var(--primary-color);
        }

        .info-box h4 {
            font-size: 1rem;
            margin-bottom: 0.8rem;
            color: var(--dark-gray);
            font-weight: 600;
        }

        .info-box p {
            font-size: 1.1rem;
            font-weight: 500;
            color: var(--dark-color);
        }

        .modal-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .modal-link {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            text-decoration: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius-sm);
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
        }

        .modal-link:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
        }

        .modal-link.secondary {
            background: var(--dark-gray);
        }

        .modal-link.secondary:hover {
            background: var(--gray-color);
        }

        /* 空状态优化 */
        .no-results {
            text-align: center;
            padding: 4rem 2rem;
            grid-column: 1 / -1;
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }

        .no-results i {
            font-size: 4rem;
            color: var(--medium-gray);
            margin-bottom: 1.5rem;
            opacity: 0.7;
        }

        .no-results h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: var(--darker-color);
        }

        .no-results p {
            color: var(--dark-gray);
            font-size: 1.1rem;
            max-width: 500px;
            margin: 0 auto 2rem;
        }

        /* 响应式设计优化 */
        @media (max-width: 1100px) {
            .tools-container, .news-container {
                grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            }
        }

        @media (max-width: 768px) {
    .container, .nav-container {
        padding: 0 20px;
    }
    
    .tools-container, .news-container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1.5rem;
    }
    
    .logo {
        font-size: 2.2rem;
    }
    
    .tagline {
        font-size: 1.1rem;
    }
    
    /* 删除或注释掉这行代码： */
    /* .nav-links {
        display: none;
    } */
    
    /* 改为以下样式，让导航在移动端也能显示： */
    .nav-links {
        display: flex;
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 10px;
        gap: 1.2rem;
        width: 100%;
        margin-top: 1rem;
        order: 3;
    }
    
    .nav-container {
        flex-wrap: wrap;
    }
    
    .nav-link {
        font-size: 0.9rem;
        padding: 0.4rem 0.8rem;
    }
    
    .modal-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-links {
        gap: 2rem;
    }
    
    .filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 15px;
        margin-bottom: 2rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

/* 同时修改480px以下的媒体查询： */
@media (max-width: 480px) {
    .tools-container, .news-container {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        padding: 0 10px;
    }
    
    .logo {
        font-size: 1.8rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .search-box {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .modal-body {
        padding: 1.8rem;
    }
    
    .modal-title {
        font-size: 1.8rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1.2rem;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-link {
        justify-content: center;
    }
    
    /* 删除或注释掉这行代码： */
    /* .nav-actions {
        display: none;
    } */
    
    /* 改为以下样式： */
    .nav-actions {
        order: 2;
        margin-left: auto;
    }
    
    .subscribe-btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    /* 调整移动端导航链接的样式 */
    .nav-links {
        gap: 0.8rem;
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: 0.3rem 0.6rem;
    }
}

/* ============================================
   内页通用样式
   ============================================ */

/* 通用区块 */
.section {
    padding: 2rem 0 4rem;
}

/* 页面标题区域 */
.page-header {
    background: white;
    padding: 2rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--light-gray);
}

.page-header .container {
    max-width: 1280px;
}

.page-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--darker-color);
    margin: 1rem 0 0.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-title i {
    color: var(--primary-color);
}

.page-desc {
    color: var(--dark-gray);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.page-meta {
    color: var(--gray-color);
    font-size: 0.95rem;
    margin-top: 0.3rem;
}

/* 文章页特殊样式 - 蓝色背景+浅色文字 */
.article-page-header {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    border-bottom: none;
}

.article-page-header .breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
}

.article-page-header .breadcrumb a:hover {
    color: white;
}

.article-page-header .breadcrumb .separator {
    color: rgba(255, 255, 255, 0.5);
}

.article-page-header .breadcrumb .current {
    color: rgba(255, 255, 255, 0.9);
}

/* 面包屑导航 */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--dark-gray);
    margin-bottom: 0.5rem;
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

.breadcrumb a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb .separator {
    color: var(--medium-gray);
}

.breadcrumb .current {
    color: var(--dark-gray);
}

/* 文章/页面布局 */
.article-layout,
.page-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    align-items: start;
}

.article-main,
.page-main {
    min-width: 0;
}

.article-sidebar,
.page-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* 文章卡片列表 */
.articles-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.article-list-item {
    display: grid;
    grid-template-columns: 280px 1fr;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.article-list-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-hover);
}

.list-item-image {
    display: block;
    overflow: hidden;
}

.list-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    min-height: 180px;
}

.article-list-item:hover .list-item-image img {
    transform: scale(1.05);
}

.list-item-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.list-item-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.85rem;
    color: var(--gray-color);
    margin-bottom: 0.8rem;
}

.list-item-category {
    background: var(--primary-color);
    color: white;
    padding: 0.2rem 0.7rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
}

.list-item-category:hover {
    background: var(--primary-dark);
    color: white;
}

.list-item-date,
.list-item-views {
    display: flex;
    align-items: center;
    gap: 4px;
}

.list-item-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    line-height: 1.4;
}

.list-item-title a {
    color: var(--darker-color);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.list-item-excerpt {
    color: var(--dark-gray);
    line-height: 1.7;
    flex-grow: 1;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.list-item-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.list-item-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag-badge {
    background: var(--light-gray);
    color: var(--dark-gray);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.list-item-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.list-item-link:hover {
    color: var(--primary-dark);
    gap: 8px;
}

/* 侧边栏组件 */
.sidebar-widget {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

.widget-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--darker-color);
    margin-bottom: 1.2rem;
    padding-bottom: 0.8rem;
    border-bottom: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.widget-title i {
    color: var(--primary-color);
}

.widget-empty {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* 分类列表 */
.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 0.3rem;
}

.category-list li.active a {
    background: var(--light-gray);
    color: var(--primary-color);
    border-left: 3px solid var(--primary-color);
}

.category-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 0.8rem;
    color: var(--dark-gray);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.category-list li a:hover {
    background: var(--light-gray);
    color: var(--primary-color);
}

.cat-name {
    display: flex;
    align-items: center;
    gap: 6px;
}

.cat-name i {
    color: var(--gray-color);
    font-size: 0.85rem;
}

.category-count {
    background: var(--light-gray);
    color: var(--gray-color);
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* 标签云 */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-cloud-item {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--light-gray);
    color: var(--dark-gray);
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.tag-cloud-item:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.tag-cloud-item.active {
    background: var(--primary-color);
    color: white;
}

.view-all-link {
    display: block;
    text-align: center;
    margin-top: 1rem;
    padding: 0.6rem;
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    border: 1px dashed var(--primary-color);
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.view-all-link:hover {
    background: var(--primary-color);
    color: white;
    border-style: solid;
}

/* 热门文章 */
.hot-articles {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.hot-item {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.hot-item:hover {
    background: var(--light-gray);
}

.hot-rank {
    width: 22px;
    height: 22px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}

.hot-item:nth-child(1) .hot-rank { background: #ef4444; }
.hot-item:nth-child(2) .hot-rank { background: #f59e0b; }
.hot-item:nth-child(3) .hot-rank { background: #3b82f6; }

.hot-title {
    color: var(--dark-color);
    font-size: 0.9rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: var(--transition-fast);
}

.hot-item:hover .hot-title {
    color: var(--primary-color);
}

/* 分页导航 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    flex-wrap: wrap;
}

.page-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: white;
    color: var(--dark-gray);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius-sm);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.page-item:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.page-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    font-weight: 700;
}

.page-item.prev,
.page-item.next {
    padding: 0 16px;
    gap: 6px;
}

.page-info {
    color: var(--gray-color);
    font-size: 0.85rem;
    padding: 0 8px;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.empty-state > i {
    font-size: 4rem;
    color: var(--medium-gray);
    margin-bottom: 1.5rem;
}

.empty-state .btn i {
    font-size: 1rem;
    margin-bottom: 0;
}

.empty-state h3 {
    font-size: 1.5rem;
    color: var(--darker-color);
    margin-bottom: 0.8rem;
}

.empty-state p {
    color: var(--dark-gray);
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.empty-hint {
    color: var(--gray-color) !important;
    font-size: 0.9rem !important;
    margin-bottom: 1.5rem !important;
}

/* ============================================
   文章详情页
   ============================================ */

.article-hero-image {
    width: 100%;
    max-height: 450px;
    overflow: hidden;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
}

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

.article-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--light-gray);
}

.article-category-tag {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 1rem;
    transition: var(--transition-fast);
}

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

.article-page-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--darker-color);
    line-height: 1.3;
    margin-bottom: 1rem;
}

.article-meta-bar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: var(--gray-color);
    font-size: 0.9rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.meta-item i {
    color: var(--gray-color);
}

.meta-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.meta-item a:hover {
    text-decoration: underline;
}

/* 文章正文 */
.article-body {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--dark-color);
    margin-bottom: 2.5rem;
    background-color: #FFFFFF;
    padding: 1em;
}

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4 {
    font-weight: 700;
    color: var(--darker-color);
    margin: 1.5em 0 0.8em;
    line-height: 1.4;
}

.article-body h2 { font-size: 1.6rem; }
.article-body h3 { font-size: 1.3rem; }
.article-body h4 { font-size: 1.1rem; }

.article-body p {
    margin-bottom: 1.2em;
}

.article-body a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition-fast);
}

.article-body a:hover {
    border-bottom-color: var(--primary-color);
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-sm);
    margin: 1.5rem 0;
    box-shadow: var(--box-shadow);
}

.article-body ul,
.article-body ol {
    margin: 1rem 0 1.5rem 1.5rem;
}

.article-body li {
    margin-bottom: 0.5rem;
}

.article-body blockquote {
    border-left: 4px solid var(--primary-color);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--light-gray);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    color: var(--dark-gray);
    font-style: italic;
}

.article-body code {
    background: var(--light-gray);
    color: var(--primary-color);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: 'Courier New', monospace;
}

.article-body pre {
    background: var(--darker-color);
    color: #e2e8f0;
    padding: 1.5rem;
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    margin: 1.5rem 0;
}

.article-body pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.article-body table th {
    background: var(--primary-color);
    color: white;
    padding: 0.8rem 1rem;
    text-align: left;
    font-weight: 600;
}

.article-body table td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--light-gray);
}

.article-body table tr:hover td {
    background: var(--light-gray);
}

/* 文章标签 */
.article-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.8rem;
    padding: 1.5rem;
    background: var(--light-gray);
    border-radius: var(--border-radius);
    margin-bottom: 1.5rem;
}

.tags-label {
    color: var(--dark-gray);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.tag-link {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: white;
    color: var(--dark-gray);
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--medium-gray);
    transition: var(--transition-fast);
}

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

/* 文章分享 */
.article-share {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
}

.share-label {
    color: var(--dark-gray);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

.share-buttons {
    display: flex;
    gap: 0.8rem;
}

.share-btn {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-3px);
}

.share-btn.wechat { background: #07c160; }
.share-btn.weibo { background: #e6162d; }
.share-btn.link { background: var(--dark-gray); }

/* 文章上下篇导航 */
.article-nav {
    margin-bottom: 0.5rem;
}

.article-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-decoration: none;
    color: var(--dark-color);
    transition: var(--transition-fast);
    margin-bottom: 0.8rem;
}

.article-nav-item:hover {
    background: var(--light-gray);
    transform: translateX(4px);
}

.article-nav-item i {
    color: var(--primary-color);
    font-size: 1rem;
    flex-shrink: 0;
}

.article-nav-item.next {
    flex-direction: row-reverse;
    text-align: right;
}

.article-nav-item.next:hover {
    transform: translateX(-4px);
}

.nav-text {
    flex-grow: 1;
}

.nav-label {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-color);
    margin-bottom: 0.2rem;
}

.nav-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--darker-color);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 相关文章 */
.related-articles {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.related-item {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

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

.related-thumb {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

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

.related-info h5 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--darker-color);
    margin-bottom: 0.3rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.related-date {
    font-size: 0.8rem;
    color: var(--gray-color);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* 最新文章 */
.recent-articles {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.recent-item {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    padding: 0.5rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
}

.recent-item:hover {
    background: var(--light-gray);
}

.recent-thumb {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

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

.recent-info h5 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--darker-color);
    margin-bottom: 0.3rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.recent-date {
    font-size: 0.8rem;
    color: var(--gray-color);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ============================================
   标签云页面
   ============================================ */

.tag-cloud-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.tag-grid-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1.2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-decoration: none;
    transition: var(--transition);
}

.tag-grid-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--box-shadow-hover);
    border-color: var(--primary-color);
}

.tag-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.tag-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.tag-info .tag-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--darker-color);
}

.tag-info .tag-count {
    font-size: 0.8rem;
    color: var(--gray-color);
}

/* ============================================
   搜索页面
   ============================================ */

.search-box-large {
    background: white;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.search-box-large form {
    display: flex;
    gap: 1rem;
}

.search-input {
    flex: 1;
    padding: 0.9rem 1.5rem;
    border: 2px solid var(--medium-gray);
    border-radius: 50px;
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--light-gray);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background: white;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

/* ============================================
   通用按钮
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: var(--transition-fast);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
    color: white;
}

/* ============================================
   响应式调整
   ============================================ */

@media (max-width: 1024px) {
    .article-layout,
    .page-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar,
    .page-sidebar {
        order: -1;
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .article-list-item {
        grid-template-columns: 1fr;
    }

    .list-item-image img {
        min-height: 200px;
    }

    .article-page-title {
        font-size: 1.6rem;
    }

    .tag-cloud-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }

    .article-sidebar,
    .page-sidebar {
        grid-template-columns: 1fr;
    }

    .search-box-large form {
        flex-direction: column;
    }

    .article-meta-bar {
        gap: 1rem;
    }

    .article-share {
        flex-direction: column;
        align-items: flex-start;
    }

    .search-box-large {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 1.5rem;
    }

    .tag-cloud-grid {
        grid-template-columns: 1fr 1fr;
    }

    .pagination {
        gap: 0.4rem;
    }

    .page-item {
        min-width: 36px;
        height: 36px;
        font-size: 0.85rem;
    }
}