@charset "utf-8";
 /* 全局样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        :root {
            --primary: #0d2444;
            --primary-light: #1a3a6c;
            --primary-gradient: linear-gradient(135deg, #0d2444 0%, #1a3a6c 100%);
            --secondary: #6B7280;
            --light: #F3F4F6;
            --light-gray: #E5E7EB;
            --dark: #1F2937;
            --white: #FFFFFF;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            --transition: all 0.2s ease;
        }

        body {
            color: var(--dark);
            line-height: 1.6;
            background-color: var(--light);
            padding-top: 70px; /* 减少顶部空间 */
        }

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

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            padding: 0 1rem;
            margin: 0 auto;
            max-width: 1280px;
        }

        .btn {
            display: inline-block;
            padding: 0.5rem 1.2rem; /* 减少按钮内边距 */
            font-weight: 600;
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

        .btn-primary {
            background-color: #2563eb;
            color: var(--white);
        }

        .btn-primary:hover {
            background-color: var(--primary-light);
        }

        /* ---------------- 全新导航栏样式 ---------------- */
        .main-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 70px; /* 减少导航栏高度 */
            background: var(--white);
            box-shadow: var(--shadow);
            z-index: 999;
        }

        .nav-wrapper {
            height: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: #f00000;
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 0 2rem; /* 减少菜单间距 */
        }

        .nav-item {
            position: relative;
            height: 70px; /* 与导航栏高度一致 */
            display: flex;
            align-items: center;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--dark);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .has-sub::after {
            content: "";
            display: inline-block;
            width: 0;
            height: 0;
            margin-left: 0.3rem;
            border-left: 4px solid transparent;
            border-right: 4px solid transparent;
            border-top: 4px solid var(--dark);
            transition: var(--transition);
        }

        .nav-item:hover .has-sub::after {
            border-top-color: var(--primary);
            transform: rotate(180deg);
        }

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

        .submenu {
            position: absolute;
            top: 100%;
            left: 0;
            background: var(--white);
            box-shadow: var(--shadow);
            border-radius: 4px;
            min-width: 200px; /* 减少宽度 */
            padding: 0.8rem 0; /* 减少内边距 */
            display: none;
            z-index: 999;
        }

        .nav-item:hover .submenu {
            display: block;
        }

        .submenu-item {
            padding: 0.5rem 1.2rem; /* 减少内边距 */
        }

        .submenu-link {
            font-size: 0.9rem;
            color: var(--dark);
            transition: var(--transition);
            display: block;
        }

        .submenu-link:hover {
            color: var(--primary);
            padding-left: 0.5rem;
        }

        .nav-contact {
            margin-left: 0.8rem;
        }

        .hamburger {
            display: none;
            font-size: 1.6rem;
            cursor: pointer;
            color: var(--dark);
            border: none;
            background: transparent;
        }

        .mobile-nav {
            position: fixed;
            top: 0;
            right: 0;
            width: 85%;
            max-width: 320px;
            height: 100vh;
            background: var(--white);
            box-shadow: -2px 0 10px rgba(0, 0, 0, 0.15);
            transform: translateX(100%);
            transition: transform 0.3s ease;
            z-index: 1000;
            padding: 1.5rem 1.2rem; /* 减少内边距 */
            overflow-y: auto;
        }

        .mobile-nav.active {
            transform: translateX(0);
        }

        .mobile-close {
            font-size: 1.6rem;
            cursor: pointer;
            margin-bottom: 1.5rem; /* 减少间距 */
            color: var(--dark);
            display: inline-block;
        }

        .mobile-menu {
            display: flex;
            flex-direction: column;
            gap: 0.3rem; /* 减少间距 */
        }

        .mobile-item {
            border-bottom: 1px solid var(--light-gray);
            padding: 0.8rem 0; /* 减少内边距 */
        }

        .mobile-link {
            font-size: 1rem;
            font-weight: 500;
            color: var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .mobile-has-sub::after {
            content: "";
            display: inline-block;
            width: 0;
            height: 0;
            border-left: 4px solid transparent;
            border-right: 4px solid transparent;
            border-top: 4px solid var(--dark);
            transition: var(--transition);
        }

        .mobile-has-sub.active::after {
            transform: rotate(180deg);
            border-top-color: var(--primary);
        }

        .mobile-submenu {
            margin-left: 0.8rem;
            display: none;
            flex-direction: column;
            gap: 0.6rem; /* 减少间距 */
            margin-top: 0.8rem; /* 减少间距 */
        }

        .mobile-submenu.active {
            display: flex;
        }

        .mobile-submenu-item {
            padding: 0.2rem 0; /* 减少内边距 */
        }

        .mobile-submenu-link {
            font-size: 0.9rem;
            color: var(--secondary);
            transition: var(--transition);
        }

        .mobile-submenu-link:hover {
            color: var(--primary);
            padding-left: 0.5rem;
        }

        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            display: none;
        }

        .overlay.active {
            display: block;
        }

        @media (max-width: 768px) {
            .nav-menu, .nav-contact {display: none;}
            .hero h1 { font-size: 1.8rem !important;}
            .hamburger { display: block;}
        }

        /* ---------------- 页面样式 ---------------- */
        .section {
            padding: 3rem 0; /* 减少区块间距 */
        }

        .section-title {
            text-align: center;
            margin-bottom: 2rem; /* 减少标题下方间距 */
        }

        .section-title h2 {
            font-size: 2rem; /* 减小标题字体 */
            font-weight: 700;
            margin-bottom: 0.8rem; /* 减少间距 */
            color: var(--primary); /* 主标题使用主色调 */
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px; /* 减小下划线 */
            background-color: var(--primary);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--secondary);
            max-width: 700px;
            margin: 0 auto;
            font-size: 1rem; /* 减小字体 */
        }

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

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }

        .hero {
            background: radial-gradient(circle at 50% 50%, #1257c9, rgb(9 36 114));
            color: var(--white);
            padding: 3rem 0 3rem; /* 减少高度 */
            text-align: center;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 2.5rem; /* 减小字体 */
            margin-bottom: 1.2rem; /* 减少间距 */
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.1rem; /* 减小字体 */
            margin-bottom: 1.5rem; /* 减少间距 */
            opacity: 0.9;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-outline {
            background-color: #2563eb;
            border: 2px solid var(--white);
            color: var(--white);
        }

        .btn-outline:hover {
           background-color: #860c0c;
           color: #ffffff;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem; /* 减少间距 */
        }

        @media (min-width: 768px) {
            .features-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .feature-card {
            padding: 1.5rem; /* 减少内边距 */
            text-align: center;
        }

        .feature-icon {
            width: 70px; /* 减小图标容器 */
            height: 70px;
            background-color: rgba(13, 36, 68, 0.1); /* 使用主色调的浅色 */
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem; /* 减少间距 */
        }

        .feature-icon span {
            font-size: 1.8rem; /* 减小图标 */
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.3rem; /* 减小字体 */
            margin-bottom: 0.8rem; /* 减少间距 */
            color: var(--primary); /* 使用主色调 */
        }

        .feature-card p {
            color: var(--secondary);
            font-size: 0.95rem; /* 减小字体 */
        }

        .pricing {
            background-color: var(--light-gray); /* 使用浅灰色背景 */
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem; /* 减少间距 */
        }

        @media (min-width: 768px) {
            .pricing-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .pricing-card {
            padding: 1.5rem; /* 减少内边距 */
            text-align: center;
        }

        .pricing-card.popular {
            transform: scale(1.03); /* 减少放大效果 */
            border: 2px solid #2563eb;
        }

        .pricing-card-header {
            margin-bottom: 1.5rem; /* 减少间距 */
        }

        .pricing-card h3 {
            font-size: 1.3rem; /* 减小字体 */
            margin-bottom: 0.5rem;
            color: var(--primary);
        }

        .pricing-card .price {
            font-size: 2.2rem; /* 减小字体 */
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .pricing-card .price span {
            font-size: 0.9rem;
            color: var(--secondary);
            font-weight: 400;
        }

        .pricing-card ul {
            margin-bottom: 1.5rem; /* 减少间距 */
            text-align: left;
        }

        .pricing-card li {
            padding: 0.6rem 0; /* 减少间距 */
            border-bottom: 1px solid var(--light-gray);
            display: flex;
            align-items: center;
            font-size: 0.95rem; /* 减小字体 */
        }

        .pricing-card li span {
            color: var(--primary);
            margin-right: 0.5rem;
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem; /* 减少间距 */
        }

        @media (min-width: 768px) {
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .cases-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .case-card img {
            width: 100%;
            height: 180px; /* 减小图片高度 */
            object-fit: cover;
        }

        .case-content {
            padding: 1.2rem; /* 减少内边距 */
        }

        .case-content h3 {
            margin-bottom: 0.5rem;
            font-size: 1.15rem; /* 减小字体 */
            color: var(--primary);
        }

        .case-content p {
            color: var(--secondary);
            margin-bottom: 0.8rem; /* 减少间距 */
            font-size: 0.95rem; /* 减小字体 */
        }

        .faq {
            background-color: var(--light-gray);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem; /* 减少间距 */
        }

        @media (min-width: 768px) {
            .faq-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .faq-item {
            background-color: var(--white);
            padding: 1.2rem; /* 减少内边距 */
            border-radius: 8px;
            box-shadow: var(--shadow);
        }

        .faq-item h3 {
            font-size: 1.15rem; /* 减小字体 */
            margin-bottom: 0.8rem; /* 减少间距 */
            color: var(--primary);
            display: flex;
            align-items: center;
        }

        .faq-item h3 span {
            margin-right: 0.5rem;
        }

        .faq-item p {
            color: var(--secondary);
            font-size: 0.95rem; /* 减小字体 */
        }

        .contact {
            background: radial-gradient(circle at 30% 40%, #1257c9, rgb(9 36 114));
            color: var(--white);
            padding: 3rem 0; /* 减少高度 */
        }

        .contact-container {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem; /* 减少间距 */
            align-items: center;
        }

        @media (min-width: 768px) {
            .contact-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .contact-info {
            padding: 1.5rem; /* 减少内边距 */
        }

        .contact-info h2 {
            font-size: 1.8rem; /* 减小字体 */
            margin-bottom: 0.8rem; /* 减少间距 */
        }

        .contact-info p {
            font-size: 1rem; /* 减小字体 */
            margin-bottom: 1.5rem; /* 减少间距 */
            opacity: 0.9;
        }

        .contact-details {
            display: flex;
            align-items: center;
            margin-bottom: 0.8rem; /* 减少间距 */
        }

        .contact-details span {
            font-size: 1.3rem; /* 减小图标 */
            margin-right: 0.8rem; /* 减少间距 */
        }

        .contact-qrcode {
            background-color: var(--white);
            padding: 1rem;
            border-radius: 8px;
            text-align: center;
            max-width: 180px; /* 减小宽度 */
            margin: 0 auto;
        }

        .contact-qrcode img {
            width: 100%;
            margin-bottom: 0.8rem; /* 减少间距 */
        }

        .contact-qrcode p {
            color: var(--primary); /* 使用主色调 */
            font-weight: 600;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem; /* 减少间距 */
        }

        @media (min-width: 768px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .news-card {
            padding: 1.2rem; /* 减少内边距 */
        }

        .news-card h3 {
            font-size: 1.3rem; /* 减小字体 */
            margin-bottom: 1.2rem; /* 减少间距 */
            color: var(--primary);
            border-bottom: 2px solid var(--light-gray);
            padding-bottom: 0.5rem;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0.8rem; /* 减少间距 */
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            transition: var(--transition);
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--light-gray);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 0.5rem;
        }

        .news-date {
            background-color: var(--primary);
            color: var(--white);
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
            font-size: 0.8rem; /* 减小字体 */
            margin-right: 0.8rem; /* 减少间距 */
            flex-shrink: 0;
        }

        .news-content {
            flex: 1;
        }

        .news-content h4 {
            margin-bottom: 0.25rem;
            font-size: 0.95rem; /* 减小字体 */
        }

        .news-content p {
            color: var(--secondary);
            font-size: 0.85rem; /* 减小字体 */
            margin-top: 8px;
        }

        .tags {
            background-color: var(--light-gray);
            padding: 2.5rem 0; /* 减少高度 */
        }

        .tags-container {
            text-align: center;
        }

        .tags-container h3 {
            font-size: 1.3rem; /* 减小字体 */
            margin-bottom: 1.5rem; /* 减少间距 */
            color: var(--primary);
        }

        .tags-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem; /* 减少间距 */
            justify-content: center;
        }

        .tag {
            background-color: var(--white);
            color: var(--primary);
            padding: 0.4rem 1rem; /* 减少内边距 */
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: var(--shadow);
            font-size: 0.9rem; /* 减小字体 */
        }

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

        .footer {
            background: radial-gradient(circle at 30% 40%, #1257c9, rgb(9 36 114));
            color: var(--white);
            padding: 2.5rem 0 1rem; /* 减少高度 */
        }

        .footer-container {
            display: grid;
            grid-template-columns: repeat(1, 1fr);
            gap: 1.5rem; /* 减少间距 */
            margin-bottom: 1.5rem; /* 减少间距 */
        }

        @media (min-width: 768px) {
            .footer-container {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .footer-col h3 {
            font-size: 1.15rem; /* 减小字体 */
            margin-bottom: 1.2rem; /* 减少间距 */
            position: relative;
            padding-bottom: 0.5rem;
        }

        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px; /* 减小下划线 */
            background-color: var(--light-gray);
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 0.6rem; /* 减少间距 */
        }

        .footer-col a {
            color: #D1D5DB;
            transition: var(--transition);
            font-size: 0.9rem; /* 减小字体 */
        }

        .footer-col a:hover {
            color: var(--white);
            padding-left: 0.5rem;
        }

        .copyright {
            text-align: center;
            padding-top: 1.5rem; /* 减少间距 */
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #9CA3AF;
            font-size: 0.8rem; /* 减小字体 */
        }

        /* 图标样式 */
        .icon {
            display: inline-block;
            width: 1em;
            height: 1em;
            vertical-align: middle;
        }
        .icon-code::before { content: '💻'; }
        .icon-mobile::before { content: '📱'; }
        .icon-rocket::before { content: '🚀'; }
        .icon-check::before { content: '✓'; }
        .icon-question::before { content: '❓'; }
        .icon-phone::before { content: '📞'; }
        .icon-envelope::before { content: '✉️'; }
        .icon-map::before { content: '📍'; }
        .icon-weixin::before { content: '💬'; }
        .icon-weibo::before { content: '🔍'; }
        .icon-qq::before { content: '🐧'; }

        /* 联系我们页面新增样式 */
        .contact-page {
            padding: 4rem 0;
        }
        
        .contact-methods {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-top: 2rem;
        }
        
        @media (min-width: 768px) {
            .contact-methods {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        .contact-method {
            text-align: center;
            padding: 2rem 1.5rem;
        }
        
        .contact-method .icon-container {
            width: 80px;
            height: 80px;
            margin: 0 auto 1.5rem;
            background-color: rgba(37, 99, 235, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .contact-method .icon {
            font-size: 2rem;
            color: #2563eb;
        }
        
        .contact-method h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        
        .contact-method p {
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        
        .contact-method .contact-value {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 1rem;
        }
        
        .contact-form-container {
            margin-top: 3rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .contact-form {
            background-color: var(--white);
            padding: 2rem;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--dark);
        }
        
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--light-gray);
            border-radius: 4px;
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .form-control:focus {
            outline: none;
            border-color: #2563eb;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }

        /* 产品列表页面样式 */
        .products-page {
            padding: 4rem 0;
        }

        .products-filter {
            background-color: var(--white);
            padding: 1rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }

        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .filter-option {
            padding: 0.5rem 1rem;
            background-color: var(--light);
            border-radius: 4px;
            cursor: pointer;
            transition: var(--transition);
        }

        .filter-option.active {
            background-color: #2563eb;
            color: var(--white);
        }

        .products-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            margin-top: 2rem;
        }

        @media (min-width: 768px) {
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .products-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .product-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .product-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 8px 8px 0 0;
        }

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

        .product-title {
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 1rem;
            transition: var(--transition);
        }

        .product-title:hover {
            color: #2563eb;
        }

        .product-description {
            color: var(--secondary);
            margin-bottom: 1.5rem;
            flex: 1;
            font-size: 0.95rem;
        }

        /* 发布时间样式（替换原价格样式） */
        .product-time {
            font-size: 1rem;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .product-time::before {
            content: "📅";
            font-size: 1.2rem;
        }

        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 3rem;
            gap: 0.5rem;
        }

        .page-num {
           padding: 0 12px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            background-color: var(--white);
            box-shadow: var(--shadow);
            cursor: pointer;
            transition: var(--transition);
        }

        .page-num:hover {
            background-color: var(--light);
        }

        .page-num.active {
            background-color: #2563eb;
            color: var(--white);
        }

        .page-prev, .page-next {
            padding: 0 12px;
        }

        /* 新闻详情页新增样式 */
        .news-detail-page {
            padding: 4rem 0;
        }

        .news-detail-container {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width: 1024px) {
            .news-detail-container {
                grid-template-columns: 3fr 1fr;
            }
        }

        .news-main-content {
            background-color: var(--white);
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 2rem;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .news-sidebar-card {
            background-color: var(--white);
            border-radius: 8px;
            box-shadow: var(--shadow);
            padding: 1.5rem;
        }

        .news-sidebar-title {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light-gray);
        }

        .news-detail-header {
            margin-bottom: 2rem;
        }

        .news-detail-title {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        @media (min-width: 768px) {
            .news-detail-title {
                font-size: 2.2rem;
            }
        }

        .news-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: var(--secondary);
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
        }

        .news-meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .news-subtitle {
            font-size: 1.2rem;
            color: var(--primary-light);
            margin-bottom: 1.5rem;
            font-weight: 600;
            padding-left: 0.5rem;
            border-left: 3px solid #2563eb;
        }

        .news-content {
            line-height: 1.8;
            color: var(--dark);
            margin-bottom: 2rem;
        }

       
        .news-content img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
        }

        .news-content h3 {
            font-size: 1.4rem;
            color: var(--primary);
            margin: 1.8rem 0 1rem;
        }

        .news-content ul {
            margin: 1rem 0 1.5rem 1.5rem;
            list-style-type: disc;
        }

        .news-content li {
            margin-bottom: 0.5rem;
        }

        .related-news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .related-news-item {
            display: flex;
            gap: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--light-gray);
        }

        .related-news-item:last-child {
            border-bottom: none;
        }

        .related-news-image {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 4px;
            flex-shrink: 0;
        }

        .related-news-info h4 {
            font-size: 0.95rem;
            margin-bottom: 0.3rem;
            transition: var(--transition);
        }

        .related-news-info h4:hover {
            color: #2563eb;
        }

        .related-news-date {
            font-size: 0.8rem;
            color: var(--secondary);
        }

        .news-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            margin-top: 2rem;
        }

        .news-tag {
            background-color: var(--light);
            color: var(--primary);
            padding: 0.3rem 0.8rem;
            border-radius: 4px;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .news-tag:hover {
            background-color: #2563eb;
            color: var(--white);
        }

        .news-share {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--light-gray);
        }

        .share-title {
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .share-buttons {
            display: flex;
            gap: 1rem;
        }

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

        .share-button:hover {
            background-color: #2563eb;
            color: var(--white);
            transform: translateY(-3px);
        }