:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #93c5fd;
            --light: #f8fafc;
            --dark: #0f172a;
            --gray: #64748b;
            --light-gray: #e2e8f0;

            /* 各文档类型颜色 */
            --word-color: #2A579A;
            --pdf-color: #B8312F;
            --excel-color: #217346;
            --ppt-color: #D35230;
            --image-color: #7B4AAE;
            --file-color: #319795;

            --txt-color: #47b4d1;
            --rename-color: #ffbf41;
            --classify-color: #386fe5;

        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        body {
            background-color: #fff;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
        }

        .clear {
            clear: both;
        }
        .pager {
                margin: 5px 0 !important;
                margin-top: 5px !important;
                margin-bottom: 5px !important;
                list-style-type: none;
            }

        .pager li {
            cursor: pointer;
            float: left;
            margin: 0px 5px;
        }

        .pager > li > a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            text-decoration: none;
            color: var(--gray);
            font-weight: 600;
            border: 1px solid var(--light-gray);
        }

        .pager > li > a.active, .pager > li > a:hover {
            color: #fff !important;
            background-color: #2563eb;
            border-color: #2563eb;
            color:white;
        }

        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header styles */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            color: var(--primary);
            font-size: 28px;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
        }

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

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

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
        }

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

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

         /* 视频弹窗样式 */
                .video-modal {
                    display: none;
                    position: fixed;
                    top: 0;
                    left: 0;
                    width: 100%;
                    height: 100%;
                    background-color: rgba(0, 0, 0, 0.8);
                    z-index: 1000;
                    align-items: center;
                    justify-content: center;
                }

                .video-container {
                    position: relative;
                    width: 80%;
                    max-width: 1000px;
                }

                video {
                    width: 100%;
                    border-radius: 8px;
                    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
                }

                .close-btn {
                    position: absolute;
                    top: -50px;
                    right: -10px;
                    color: white;
                    font-size: 36px;
                    cursor: pointer;
                    transition: all 0.3s ease;
                }

                .close-btn:hover {
                    transform: scale(1.2);
                }

        /* 汉堡菜单 */
        .menu-toggle {
            display: none;
            font-size: 24px;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--dark);
        }

        .download-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .download-btn:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }

        /* Hero section - UPDF布局优化 */
        .hero {
            padding: 120px 0;
            background: linear-gradient(135deg, #e6f0ff 0%, #d6e4ff 100%);
            overflow: hidden;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(147, 197, 253, 0.3) 100%);
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -50px;
            left: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: linear-gradient(135deg, rgba(147, 197, 253, 0.3) 0%, var(--primary-light) 100%);
        }

        .hero-container {
            display: flex;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content {
            flex: 1;
            padding-right: 50px;
        }

        .hero-image {
            flex: 1;
            display: flex;
            justify-content: flex-end;
            align-items: center;
            position: relative;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            position: relative;
        }

        .hero h1 span {
            color: var(--primary);
            position: relative;
        }

        .hero h1 span::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 15px;
            background-color: rgba(37, 99, 235, 0.2);
            z-index: -1;
        }

        .hero p {
            font-size: 18px;
            color: var(--gray);
            margin-bottom: 30px;
            line-height: 40px;
        }

        .hero-img {
            max-width: 100%;
            border-radius: 15px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            transform: rotate(0);
            transition: transform 0.5s ease;
            max-height: 450px;
        }

        .hero-img:hover {
            transform: rotate(-3deg);
        }

        .feature-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .feature-card {
            background: white;
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .feature-card i {
            font-size: 30px;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--gray);
            margin: 0;
        }

        .btn-container {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .primary-btn {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .primary-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
        }

        .secondary-btn {
            background: white;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 12px 25px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .secondary-btn:hover {
            background-color: rgba(37, 99, 235, 0.05);
            transform: translateY(-2px);
        }

        /* 优势部分 */
        .advantages-section {
            padding: 80px 0;
            background-color: white;
        }

        .advantages-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .advantage-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            border-top: 4px solid var(--primary);
        }

        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
        }

        .advantage-icon {
            font-size: 40px;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .advantage-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
        }

        /* 功能部分 */
        .section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .section-title p {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .tool-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .tool-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .tool-icon {
            height: 150px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 50px;
            color: white;
        }

        .word-tool .tool-icon {
            background: linear-gradient(135deg, var(--word-color) 0%, #183b7a 100%);
        }

        .pdf-tool .tool-icon {
            background: linear-gradient(135deg, var(--pdf-color) 0%, #992724 100%);
        }

        .txt-tool .tool-icon {
            background: linear-gradient(135deg, var(--txt-color) 0%, #47b4d1 100%);
        }

        .excel-tool .tool-icon {
            background: linear-gradient(135deg, var(--excel-color) 0%, #1a5e39 100%);
        }

        .ppt-tool .tool-icon {
            background: linear-gradient(135deg, var(--ppt-color) 0%, #b64521 100%);
        }

        .image-tool .tool-icon {
            background: linear-gradient(135deg, var(--image-color) 0%, #6b3d97 100%);
        }

        .file-tool .tool-icon {
            background: linear-gradient(135deg, var(--file-color) 0%, #287d7a 100%);
        }

        .rename-tool .tool-icon {
             background: linear-gradient(135deg, var(--rename-color) 0%, #ffbf41 100%);
        }

        .classify-tool .tool-icon {
            background: linear-gradient(135deg, var(--classify-color) 0%, #386fe5 100%);
        }

        .tool-content {
            padding: 25px;
        }

        .tool-content h3 {
            margin-bottom: 15px;
            font-size: 22px;
        }

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

        .tool-features li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .tool-features li:before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* 安全部分 */
        .security {
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 100%);
            color: white;
            padding: 40px 0;
        }

        .security-container {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .security-img {
            flex: 1;
        }

        .security-content {
            flex: 1;
        }

        .security-content h2 {
            font-size: 36px;
            margin-bottom: 20px;
        }

        .security-content p {
            margin-bottom: 30px;
            opacity: 0.9;
        }

        /* OS 兼容性部分 */
        .os-section {
            text-align: center;
            padding: 60px 0;
        }

        .os-title {
            font-size: 24px;
            margin-bottom: 30px;
        }

        .os-icons {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 50px;
            margin-top: 40px;
        }

        .os-icon {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }

        .os-icon i {
            font-size: 50px;
            color: var(--primary);
        }

        .os-name {
            font-weight: 600;
        }

        /* Footer - 添加页脚公司信息 */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: white;
        }

        .footer-company {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
        }

        .footer-company p {
            color: #94a3b8;
            font-size: 14px;
            line-height: 1.6;
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            color: #94a3b8;
            font-size: 14px;
        }

        /* 响应式样式 */
        @media (max-width: 1024px) {
            .hero-container {
                flex-direction: column;
            }

            .hero-content {
                padding-right: 0;
                margin-bottom: 40px;
                text-align: center;
            }

            .btn-container {
                justify-content: center;
            }

            .main-content {
                            grid-template-columns: 1fr!important;
                        }

                        .article-image {
                            flex: 0 0 200px;
                        }
        }

        @media (max-width: 768px) {

            .highlight-card {
                            width: 100%!important;
                        }

            .menu-toggle {
                display: block;
            }

            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
                display: none;
                gap: 15px;
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links a {
                padding: 10px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .section {
                padding: 60px 0;
            }

            .advantages-section {
                padding: 60px 0;
            }

            .feature-cards {
                grid-template-columns: 1fr;
            }

            .btn-container {
                flex-direction: column;
                align-items: center;
            }

            .version-details {
                flex-direction: column;
                gap: 10px;
            }

            .download-container {
                flex-direction: column;
                gap: 20px;
            }

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

                        .article-image {
                            flex: 0 0 auto;
                            height: 200px;
                        }
        }

        @media (max-width: 480px) {

            .highlight-card {
                width: 100%!important;
            }

            .hero h1 {
                font-size: 30px;
            }

            .hero p {
                font-size: 16px;
            }

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

            .hero-img {
                max-width: 90%;
            }

            .features-header h2, .pricing-header h2, .testimonials-header h2 {
                font-size: 28px;
            }

            .pricing-plans, .testimonials-grid {
                grid-template-columns: 1fr;
            }

            .version-info h1 {
                font-size: 32px;
            }

            .article-meta {
                flex-direction: column;
                gap: 10px;
            }

            .article-list-meta {
                flex-direction: column;
                gap: 10px;
            }
        }





/* Product Download Section - Enhanced */
        .download-section {
            text-align: center;
            padding: 80px 0 60px;
            background: linear-gradient(to bottom, #ffffff, #f0f7ff);
        }

        .version-info {
            max-width: 800px;
            margin: 0 auto 30px;
        }

        .version-info h1 {
            font-size: 42px;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .download-description {
            max-width: 700px;
            margin: 0 auto 30px;
            font-size: 18px;
            color: var(--dark);
            line-height: 1.8;
        }

        .version-details {
            display: flex;
            justify-content: center;
            gap: 30px;
            font-size: 16px;
            color: var(--gray);
            margin-top: 20px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .version-details a {
            background-color: #f0f7ff;
            line-height: 24px;
            padding: 0 12px;
            color: var(--primary);
        }

        .download-container {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .download-option {
            text-align: center;
            min-width: 200px;
        }

        .download-btn-large {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            width: 100%;
            justify-content: center;
            max-width: 250px;
            font-size: 15px;
        }

        .download-btn-large:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(37, 99, 235, 0.3);
        }

        .download-option.secondary a {
            background: #e7f0ff;
            color: var(--primary);
            border: 1px solid var(--primary-light);
        }

        .download-option.secondary a:hover {
            transform: translateY(-2px);
            background: #d9e7ff;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .download-info {
            font-size: 14px;
            color: var(--gray);
            margin-top: 10px;
        }

        .product-highlights {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 25px;
            margin: 30px 0;
        }

        .highlight-card {
            background: rgba(255, 255, 255, 0.8);
            border-radius: 10px;
            padding: 20px;
            width: 190px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .highlight-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .system-requirements {
            background: rgba(255, 255, 255, 0.9);
            border-radius: 8px;
            padding: 15px;
            margin: 20px auto;
            max-width: 500px;
            border-left: 3px solid var(--primary);
        }

        .requirements-title {
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--primary-dark);
        }

        .trial-notice {
            background: linear-gradient(to right, #4e54c8, #8f94fb);
            color: white;
            border-radius: 8px;
            padding: 15px;
            margin: 20px auto;
            text-align: center;
            max-width: 500px;
            font-weight: 500;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        /* Features Section */
        .features-section {
            background: white;
            border-radius: 15px;
            padding: 50px 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin-bottom: 60px;
        }

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

        .features-header h2 {
            font-size: 36px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .features-header p {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        .feature-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
        }

        .feature-tab {
            background: var(--light);
            border: none;
            padding: 10px 20px;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .feature-tab.active {
            background: var(--primary);
            color: white;
        }

        .feature-tab:hover:not(.active) {
            background: var(--primary-light);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 25px;
            padding: 0 20px;
        }

        .feature-item {
            background: var(--light);
            border-radius: 10px;
            padding: 20px;
            transition: all 0.3s ease;
            color: #000
        }

        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .feature-item img {
            width: 52px;
            height: 52px;
            float: left;
        }

        .feature-item h3 {
            font-size: 18px;
            float: left;
            height: 52px;
            float: left;
            line-height: 52px;
            margin-left: 10px;
            overflow: hidden;
            max-width: 300px;
        }

        .feature-item p {
            font-size: 14px;
            color: var(--gray);
            height: 68px;
            overflow: hidden;

        }

        /* Pricing Section */
        .pricing-section {
            background: #f0f8ff;
            padding: 40px 0;
            margin-top: 60px;
        }

        .pricing-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .pricing-header h2 {
            font-size: 36px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .pricing-header p {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        .pricing-switch {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            margin-bottom: 30px;
        }

        .switch-container {
            position: relative;
            display: inline-block;
            width: 60px;
            height: 30px;
        }

        .switch-container input {
            opacity: 0;
            width: 0;
            height: 0;
        }

        .slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--light-gray);
            transition: .4s;
            border-radius: 30px;
        }

        .slider:before {
            position: absolute;
            content: "";
            height: 22px;
            width: 22px;
            left: 4px;
            bottom: 4px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }

        input:checked + .slider {
            background-color: var(--primary);
        }

        input:checked + .slider:before {
            transform: translateX(26px);
        }

        .pricing-plans {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .pricing-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .pricing-popular {
            position: absolute;
            top: 15px;
            right: -30px;
            background: var(--primary);
            color: white;
            padding: 5px 30px;
            font-weight: 600;
            transform: rotate(45deg);
        }

        .pricing-header {
            padding: 30px;
            border-bottom: 1px solid var(--light-gray);
            text-align: center;
        }

        .pricing-name {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .pricing-price {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .pricing-period {
            color: var(--gray);
        }

        .pricing-features {
            padding: 30px;
        }

        .pricing-features ul {
            list-style: none;
            margin-bottom: 30px;
        }

        .pricing-features li {
            padding: 10px 0;
            display: flex;
            gap: 10px;
        }

        .pricing-features li:before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        .pricing-features li.disabled {
            color: var(--light-gray);
        }

        .pricing-features li.disabled:before {
            content: "✗";
            color: var(--light-gray);
        }

        .pricing-btn {
            display: block;
            padding: 15px;
            text-align: center;
            text-decoration: none;
            background: var(--primary);
            color: white;
            font-weight: 600;
            border-radius: 5px;
            transition: all 0.3s ease;
        }

        .pricing-btn:hover {
            background: var(--primary-dark);
        }

        .pricing-card.popular {
            border: 2px solid var(--primary);
        }

        /* Testimonials Section */
        .testimonials-section {
            background: #f9f9f9;
            padding: 40px 0;
            margin-top: 20px;
        }

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

        .testimonials-header h2 {
            font-size: 36px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .testimonials-header p {
            color: var(--gray);
            max-width: 600px;
            margin: 0 auto;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .testimonial-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .testimonial-rating {
            color: gold;
            font-size: 20px;
            margin-bottom: 20px;
        }

        .testimonial-content {
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
        }

        .testimonial-content:before {
            content: '"';
            font-size: 60px;
            color: var(--primary-light);
            position: absolute;
            top: -30px;
            left: -10px;
            opacity: 0.3;
            font-family: serif;
        }

        .testimonial-author {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        .author-info {
            flex: 1;
        }

        .author-name {
            font-weight: 600;
        }

        .author-position {
            font-size: 14px;
            color: var(--gray);
        }

        /* Product Stats */
        .stats-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 60px 0;
            position: relative;
        }

        .stats-section:before {
            content: "";
            position: absolute;
            top: -30px;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            height: 1px;
            background: #eee;
        }

        .stat-card {
            background: white;
            border-radius: 10px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .stat-icon {
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .stat-text {
            font-size: 16px;
            color: var(--gray);
        }










/* 文章列表页特定样式 */
        .article-banner {
            background: linear-gradient(135deg, #e6f0ff 0%, #d6e4ff 100%);
            padding: 80px 0;
            text-align: center;
            margin-bottom: 50px;
        }

        .article-banner h1 {
            font-size: 36px;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }

        .article-banner h1::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* 面包屑导航 */
                .breadcrumb {
                    padding: 20px 0;
                    font-size: 14px;
                    margin-bottom: 20px;
                    border-bottom: 1px solid var(--light-gray);
                }

                .breadcrumb a {
                    text-decoration: none;
                    color: var(--gray);
                    transition: color 0.3s;
                }

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

                .breadcrumb span {
                    color: var(--gray);
                    padding: 0 8px;
                }

        /* 主内容区 */
        .main-content {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            padding: 40px 0;
        }

        /* 文章列表 */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .article-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            display: flex;
            transition: all 0.3s ease;
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }

        .article-image {
            flex: 0 0 280px;
            position: relative;
            overflow: hidden;
        }

        .article-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .category-tag {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--primary);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .article-content {
            flex: 1;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .article-content h2 {
            font-size: 22px;
            margin-bottom: 5px;
            line-height: 1.4;
        }

        .article-content p {
            margin: 0 0 15px;
            letter-spacing: 0.60px;
            font-size: 16px;
            line-height: 32px;
        }

        .article-content a {
            color: #0f172a;
        }

        .article-title-top::before {
            content: "置顶";
            display: inline-block;
            position: relative;
            background: linear-gradient(135deg, #ff6b6b, #ff4343);
            color: white;
            font-size: 12px;
            font-weight: bold;
            padding: 4px 10px;
            border-radius: 4px;
            margin-right: 12px;
            box-shadow: 0 2px 5px rgba(255, 107, 107, 0.3);
            transform: translateY(-1px);
            vertical-align: middle;
            animation: pulse 2s infinite;
            margin-bottom: 4px;
        }

        .read-more {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;

            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .read-more:hover {
        }

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

        .sidebar-widget {
            background: white;
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .widget-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 20px;
            font-size: 20px;
        }

        .widget-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background: var(--primary);
        }

        .search-form {
            position: relative;
        }

        .search-form input {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--light-gray);
            border-radius: 5px;
            font-size: 14px;
        }

        .search-form button {
            position: absolute;
            right: 10px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
        }

        /* 二级分类样式 */
        .categories-list {
            list-style: none;
        }

        .categories-list > li {
            padding: 12px 0;
            border-bottom: 1px solid var(--light-gray);
        }

        .category-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }

        .category-title {
            color: var(--dark);
            text-decoration: none;
            transition: color 0.3s;
            font-weight: 500;
            display: flex;
            align-items: center;
            width: 100%
        }

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

        .category-title .toggle-icon {
            font-size: 12px;
            margin-right: 10px;
            transition: transform 0.3s ease;
            display: inline-block;
            transform: rotate(90deg);
        }

        .category-count {
            background: var(--light-gray);
            color: var(--dark);
            padding: 2px 8px;
            border-radius: 10px;
            font-size: 12px;
            margin-left: 5px;
        }

        .sub-categories {
            list-style: none;
            margin-top: 10px;
            padding-left: 20px;
            display: none;
        }

        .sub-categories li {
            padding: 8px 0;
            position: relative;
            padding-left: 15px;
        }

        .sub-categories li:before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 5px;
            height: 5px;
            background: var(--primary-light);
            border-radius: 50%;
        }

        .sub-categories a {
            color: var(--gray);
            text-decoration: none;
            transition: color 0.3s;
            font-size: 14px;
        }

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

        .sub-categories .category-count {
            background: transparent;
            color: var(--gray);
            padding: 0;
        }

        .category-item.active .toggle-icon {
            transform: rotate(0deg);
        }

        .category-item.active + .sub-categories {
            display: block;
        }

        /* 热门文章 */
        .popular-articles {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .popular-articles a {
            color: #0f172a;
            height: 24px;
            overflow: hidden;
        }

        .popular-article {
            gap: 15px;
            align-items: center;
        }

        .popular-thumb {
            flex: 0 0 80px;
            height: 60px;
            border-radius: 5px;
            overflow: hidden;
        }

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

        .popular-content {
            flex: 1;
        }

        .popular-content h3 {
            font-size: 15px;
            margin-bottom: 5px;
            line-height: 1.4;
        }

        .popular-content span {
            color: var(--gray);
            font-size: 13px;
        }

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

        .tag {
            background: var(--light);
            color: var(--dark);
            padding: 6px 15px;
            border-radius: 20px;
            font-size: 14px;
            transition: all 0.3s;
        }

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

        /* 分页样式 */
        .pagination {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 50px 0;
        }

        .page-link {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            text-decoration: none;
            color: var(--gray);
            font-weight: 600;
            border: 1px solid var(--light-gray);
        }

        .page-link.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .page-link:hover:not(.active) {
            background: var(--light);
            color: var(--primary);
        }




        /* 文章内容样式 */
                .article-container {
                    max-width: 100%; /* 宽度100% */
                    max-width: 1400px;
                    margin: 0 auto;
                    background: white;
                    overflow: hidden;
                    border: none; /* 移除边框 */
                    box-shadow: none; /* 移除阴影 */
                }

                .article-tags a, .article-container a {
                        display: inline-block;
                        color: var(--primary);
                        margin-right: 10px;
                        text-decoration: none;
                        padding: 0 12px;
                        background-color: #f0f7ff;
                        line-height: 24px;
                }

                .article-tags a, .article-container a:hover {
                    color: var(--primary);
                }
                .article-container header {
                    box-shadow: none;
                }
                .article-header {
                    padding: 40px 40px 0px;
                    position: relative;
                    text-align:center;
        			z-index:99;
                }

                .article-title {
                    font-size: 28px;
                    font-weight: 600;
                    line-height: 1.4;
                    margin-bottom: 15px;
                    position: relative;
                    z-index: 2;
                }

                .article-meta {
                    display: flex;
                    justify-content: flex-end;
                    align-items: flex-end;
                    font-size: 14px;
                    opacity: 0.9;
                    position: relative;
                    z-index: 2;
                    color: var(--gray);
                }

                .article-meta div {
                    margin-right: 20px;
                    margin-top: 15px;
                    display: flex;
                    align-items: center;
                    gap: 8px;
                }

                .article-meta div a {
                    background-color: #f0f7ff;
                    line-height: 24px;
                    padding: 0 12px;
                    color: var(--primary);
                }

                .article-meta .source {
                    font-weight: 500;
                }

                .article-meta i {
                    color: var(--primary);
                }

                .article-content {
                    padding: 20px;
                }

                .article-content p {
                    margin-top:10px;
                }
                .article-content img {
                    display: block;
                    margin: 0 auto;
                    border: 0.5rem solid #f0f7ff !important;
                    border-radius: 2rem !important;
                    max-width: 100% !important;
                    height: auto !important;
                }

                .article-list-meta {
                    display: flex;
                    justify-content: space-between;
                    align-items: flex-end;
                    font-size: 14px;
                    opacity: 0.9;
                    position: relative;
                    z-index: 2;
                    color: var(--gray);
                }

                .article-list-meta div {
                    margin-right: 20px;
                    display: flex;
                    align-items: center;
                    gap: 8px;
                }

                .article-list-meta div a {
                    background-color: #f0f7ff;
                    line-height: 24px;
                    padding: 0 12px;
                    color: var(--primary);
                }

                .article-list-meta i {
                            color: var(--primary);
                        }

.intro {
            font-size: 17px;
            color: #444;
            margin-bottom: 35px;
            background: #f0f7ff;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid #1a6dcc;
        }

        .steps-section {
            margin: 40px 0;
        }

        .article-container h2 {
            text-align: left;
            font-size: 22px;
            color: #1a6dcc;
            padding-bottom: 10px;
            margin-bottom: 25px;
            margin-top: 25px;
            border-bottom: 2px solid #e8f0fe;
            position: relative;
            font-weight: 600;
        }

        .article-container h2::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 70px;
            height: 2px;
            background: #1a6dcc;
        }

        .steps {
            counter-reset: step-counter;
            padding-left: 15px;
        }

        .step {
            position: relative;
            padding-left: 45px;
            margin-bottom: 35px;
            border-radius: 8px;
            padding: 20px;
            transition: all 0.3s ease;
            background: white;
            border: 1px solid #eaeff5;
        }

        .step:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(26, 109, 204, 0.1);
            border-color: #d0e3ff;
        }

        .step::before {
            counter-increment: step-counter;
            content: counter(step-counter);
            position: absolute;
            left: 0;
            top: 20px;
            width: 32px;
            height: 32px;
            background: #1a6dcc;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 16px;
        }

        .step-title {
            font-weight: 600;
            font-size: 18px;
            margin-bottom: 12px;
            color: #1a6dcc;
            padding-left: 40px;
        }

        .step-content {
            padding-left: 40px;
        }

code {
    padding: 2px 4px;
    font-size: 90%;
    color: #c7254e;
    background-color: #f9f2f4;
    border-radius: 4px;
}

/* 新增样式 - 正文结束线 */
        .article-end-line {
    width: 100%;
    height: 1px;
    border-top: 1px #ccc dotted;
    text-align: center;
    overflow: initial !important;
	max-width:1400px;
	    margin: 0 auto;
    margin-bottom: 50px;
        }

		.article-end-line span {
    position: relative;
    top: -12px;
    padding: 2px 4px;
    /* border: 1px solid #d6d6d6; */
    background-color: #ffffffa3;
    color: #1a6dcc;
}

        /* 新增样式 - 上一篇下一篇 */
        .article-navigation {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
            padding: 0 20px;
        }

        .prev-article,
        .next-article {
            display: block;
            width: 48%;
            padding: 15px;
            text-decoration: none;
            color: var(--dark);
            border-radius: 8px;
            border: 1px solid var(--light-gray);
            transition: all 0.3s ease;
        }

        .prev-article:hover,
        .next-article:hover {
            background: #f0f7ff;
            border-color: var(--primary-light);
            box-shadow: 0 5px 15px rgba(26, 109, 204, 0.1);
        }

        .prev-article span,
        .next-article span {
            color: var(--primary);
            font-weight: 500;
            display: block;
            margin-bottom: 5px;
        }

        /* 新增样式 - 文章分类和标签 */
        .article-meta-footer {
            display: flex;
            gap: 30px;
            color: var(--gray);
            font-size: 14px;
            margin-bottom: 20px;
            padding: 0 20px;
        }


/* 相关文章部分 */
        .related-articles {
            margin-bottom: 60px;
            padding: 0 20px;
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        .article-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transition: all 0.3s ease;
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
        }

        .article-card .article-description {
            max-height: 60px;
            overflow: hidden;
        }

        .article-card-empty {
            width: 100%;
            text-align: center;
            font-size: 24px;
            font-weight: 500;
        }
        .article-image {
            height: 180px;
            background: linear-gradient(135deg, #1a6dcc 0%, #0d4a9e 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
        }

        .article-content-small {
            padding: 20px;
        }

        .article-title-small {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .article-excerpt {
            font-size: 14px;
            color: var(--gray);
            margin-bottom: 15px;
        }

        .article-meta-small {
            display: flex;
            font-size: 12px;
            color: var(--gray);
        }

        .article-meta-small div {
            margin-right: 15px;
        }

        .articles-section-title {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 30px;
            color: var(--dark);
            position: relative;
            padding-bottom: 15px;
        }

        .articles-section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--primary);
        }

        .articles-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }



        /* 404 Content */
                .error-container {
                    flex: 1;
                    display: flex;
                    flex-direction: column;
                    justify-content: center;
                    align-items: center;
                    padding: 60px 0;
                    text-align: center;
                }

                .error-code {
                    font-size: 120px;
                    font-weight: 800;
                    color: var(--primary);
                    line-height: 1;
                    margin-bottom: 20px;
                    position: relative;
                    display: inline-block;
                }

                .error-code::after {
                    content: '404';
                    position: absolute;
                    top: 5px;
                    left: 5px;
                    color: rgba(37, 99, 235, 0.1);
                    z-index: -1;
                }

                .error-title {
                    font-size: 32px;
                    font-weight: 700;
                    margin-bottom: 20px;
                    color: var(--dark);
                }

                .error-message {
                    font-size: 18px;
                    color: var(--gray);
                    max-width: 600px;
                    margin: 0 auto 30px;
                    line-height: 1.6;
                }

                .error-illustration {
                    margin: 40px 0;
                    position: relative;
                }

                .doc-icon {
                            font-size: 120px;
                            color: var(--primary);
                            opacity: 0.2;
                            position: absolute;
                            z-index: 0;
                        }

                        .doc-icon:nth-child(1) {
                            top: -40px;
                            left: -150px;
                            transform: rotate(-15deg);
                        }

                        .doc-icon:nth-child(2) {
                            top: -20px;
                            right: -150px;
                            transform: rotate(15deg);
                        }

                        .doc-icon:nth-child(3) {
                            bottom: -40px;
                            left: -100px;
                            transform: rotate(10deg);
                        }

                        .doc-icon:nth-child(4) {
                            bottom: -60px;
                            right: -120px;
                            transform: rotate(-5deg);
                        }

                        .magnifying-glass {
                            font-size: 100px;
                            color: var(--primary);
                            position: relative;
                            z-index: 1;
                            animation: float 3s ease-in-out infinite;
                        }
        .empty-icon {
            font-size: 120px;
            color: #cbd5e1;
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-15px); }
        }

        .empty-title {
            font-size: 32px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #334155;
        }

        .empty-message {
            font-size: 18px;
            color: #64748b;
            margin-bottom: 30px;
        }

        .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background-color: var(--primary);
            color: white;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 500;
            transition: background-color 0.3s;
            font-size: 15px;
        }

        .back-btn:hover {
            background-color: #1d4ed8;
        }