* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            text-decoration: none;
            font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
        }

        :root {
            --primary-color: #2563eb;
            --primary-dark: #1d4ed8;
            --accent-color: #0052cc;
            --text-light: #666;
            --text-dark: #1a1a1a;
            --bg-light: #f0f5ff;
            --bg-white: #ffffff;
            --blue-light: #e6f0ff;
            --blue-medium: #3d7fff;
            --blue-dark: #0047b3;
            --nav-height: 80px;
            --content-width: 1400px;
            --dark: #0f172a;
            --gray: #64748b;
            --light: #f8fafc;
            --light-gray: #e2e8f0;
            --primary-light: #93c5fd;

            /* 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;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #fff;
            color: var(--text-dark);
            overflow-x: hidden;
            line-height: 1.6;
        }

        .clear {
            clear: both;
        }

        /* ========== 导航栏 ========== */
        header {
            height: var(--nav-height);
        }
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            transition: box-shadow 0.3s ease;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }

        .navbar.scrolled {
            box-shadow: 0 2px 20px rgba(0, 102, 255, 0.1);
        }

        .nav-container {
            max-width: var(--content-width);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 40px;
            height: 100%;
        }

        .logo {
            font-size: 28px;
            font-weight: 600;
            color: var(--primary-color);
            text-decoration: none;
            z-index: 1002;
            flex-shrink: 0;
            letter-spacing: 2px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            align-items: center;
            gap: 5px;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 10px 18px;
            color: var(--text-dark);
            text-decoration: none;
            font-size: 15px;
            font-weight: 400;
            transition: color 0.3s ease;
            white-space: nowrap;
            cursor: pointer;
        }

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

        .nav-link .fa-chevron-down {
            font-size: 10px;
            transition: transform 0.3s ease;
        }

        .nav-active {
            color: var(--primary-color);
            font-weight: bold;
        }

        .dropdown {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            background: #fff;
            min-width: 420px;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            border-radius: 12px;
            box-shadow: 0 10px 40px rgba(0, 102, 255, 0.15);
            border: 1px solid var(--blue-light);
        }

        .nav-item:hover .dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }

        .dropdown-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
        }

        .dropdown-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px;
            color: var(--text-dark);
            text-decoration: none;
            border-radius: 10px;
            transition: all 0.3s ease;
        }

        .dropdown-item:hover {
            background: var(--bg-light);
        }

        .dropdown-icon {
            width: 40px;
            height: 40px;
            background: var(--bg-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary-color);
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .dropdown-item:hover .dropdown-icon {
            background: var(--primary-color);
            color: #fff;
        }

        .dropdown-content {
            flex: 1;
            min-width: 0;
        }

        .dropdown-title {
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 2px;
            color: var(--text-dark);
        }

        .dropdown-desc {
            font-size: 12px;
            color: var(--text-light);
        }

        .nav-btn {
            padding: 10px 20px;
            background: linear-gradient(135deg, var(--primary-color), var(--blue-medium));
            color: #fff !important;
            text-decoration: none;
            border-radius: 25px;
            font-size: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 20px rgba(0, 102, 255, 0.3);
            color: #fff;
        }

        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 1002;
            padding: 10px;
        }

        .hamburger-icon {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 100%;
            height: 100%;
            gap: 5px;
        }

        .hamburger-icon span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* ========== 通用样式 ========== */
        .container {
            max-width: var(--content-width);
            margin: 0 auto;
            padding: 0 40px;
            width: 100%;
        }

        .btn {
            padding: 16px 32px;
            font-size: 15px;
            font-weight: 500;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color), var(--blue-medium));
            color: #fff;
            box-shadow: 0 4px 20px rgba(0, 102, 255, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 102, 255, 0.4);
        }

        .btn-link {
            background: transparent;
            color: var(--primary-color);
            padding: 0;
        }

        .btn-link:hover {
            gap: 12px;
        }

        /* ========== Hero区域 ========== */
        .hero-section {
            min-height: 90vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: linear-gradient(135deg, #fff 0%, var(--bg-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-bg-decoration {
            position: absolute;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 102, 255, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            top: -300px;
            right: -150px;
            pointer-events: none;
        }

        /* ===== 产品轮播 - 全宽容器 ===== */
        .product-carousel-wrapper {
            position: relative;
            width: 100%;
            overflow: hidden;
            margin-bottom: 50px;
        }

        .product-carousel-track {
            display: flex;
            transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        .product-slide {
            width: 100vw;
            flex-shrink: 0;
            display: flex;
            justify-content: center;
        }

        .product-slide-inner {
            width: 100%;
            max-width: var(--content-width);
            padding: 0 40px;
        }

        .product-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .product-info {
            max-width: 550px;
        }

        .product-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--primary-color);
            letter-spacing: 1px;
            font-weight: 600;
            margin-bottom: 20px;
            background: var(--blue-light);
            padding: 8px 16px;
            border-radius: 20px;
        }

        .product-title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: 2px;
            color: var(--text-dark);
        }

        .product-title span {
            color: var(--primary-color);
        }

        .product-description {
            font-size: 17px;
            line-height: 1.7;
            color: var(--text-light);
            margin-bottom: 35px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 35px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            text-align: left;
        }

        .feature-icon {
            width: 22px;
            height: 22px;
            background: linear-gradient(135deg, var(--primary-color), var(--blue-medium));
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 10px;
            margin-top: 2px;
        }

        .feature-text {
            text-align: left;
        }

        .feature-text h4 {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 3px;
            color: var(--text-dark);
        }

        .feature-text p {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.4;
        }

        .cta-group {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
        }

        .product-visual {
            position: relative;
        }

        .product-image {
            width: 100%;
            max-width: 600px;
            height: auto;
            border-radius: 16px;
            box-shadow: 0 30px 60px rgba(0, 102, 255, 0.15);
        }

        .floating-badge {
            position: absolute;
            background: #fff;
            border-radius: 10px;
            padding: 12px 16px;
            box-shadow: 0 8px 25px rgba(0, 102, 255, 0.12);
            animation: float 5s ease-in-out infinite;
            border: 1px solid var(--blue-light);
        }

        .floating-badge:nth-child(2) {
            top: 10%;
            right: 0;
        }

        .floating-badge:nth-child(3) {
            bottom: 15%;
            left: -10px;
            animation-delay: 1.5s;
        }

        .badge-icon {
            width: 26px;
            height: 26px;
            background: var(--bg-light);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-color);
            font-size: 12px;
            margin-bottom: 6px;
        }

        .badge-text {
            font-size: 12px;
            color: var(--text-dark);
            font-weight: 500;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-12px); }
        }

        /* Tab导航 */
        .tab-navigation-bottom {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            padding: 0 40px;
        }

        .tab-indicator-bottom {
            padding: 12px 24px;
            border-radius: 30px;
            border: 2px solid var(--blue-light);
            background: #fff;
            color: var(--text-light);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tab-indicator-bottom:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
        }

        .tab-indicator-bottom.active {
            background: var(--primary-color);
            border-color: var(--primary-color);
            color: #fff;
        }

        .indicator-number {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--primary-color);
            font-size: 11px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .tab-indicator-bottom.active .indicator-number {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        /* ========== 详细介绍 ========== */
        .detail-section {
            padding: 100px 0;
        }

        .detail-section:nth-child(even) {
            background: var(--bg-light);
        }

        .detail-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
            max-width: 1100px;
            margin: 0 auto;
        }

        .detail-row.reverse {
            direction: rtl;
        }

        .detail-row.reverse > * {
            direction: ltr;
        }

        .detail-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--primary-color);
            background: var(--blue-light);
            padding: 8px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .detail-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
            color: var(--text-dark);
        }

        .detail-title span {
            color: var(--primary-color);
        }

        .detail-description {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-light);
            margin-bottom: 25px;
        }

        .detail-list {
            list-style: none;
            margin-bottom: 25px;
        }

        .detail-list li {
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-dark);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .detail-list .list-icon {
            width: 20px;
            height: 20px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 9px;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .detail-image {
            width: 100%;
            border-radius: 16px;
            box-shadow: 0 25px 50px rgba(0, 102, 255, 0.12);
        }

        /* ========== 功能展示 ========== */
        .feature-showcase-section {
            padding: 100px 0;
            background: #fff;
        }

        .showcase-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .showcase-title {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .showcase-subtitle {
            font-size: 17px;
            color: var(--text-light);
        }

        .feature-showcase-content {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 50px;
            max-width: 1100px;
            margin: 0 auto;
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            padding: 80px 0;
            background: var(--bg-light);
            margin-top: 50px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 300;
            background: linear-gradient(135deg, var(--primary-color), var(--blue-medium));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
        }

        /* ========== 功能特性 ========== */
        .features-section {
            padding: 100px 0;
        }
        .features-section:nth-child(even) {
            background: var(--bg-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .section-description {
            font-size: 17px;
            color: var(--text-light);
        }

        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .tool-card {
            background: #fff;
            padding: 25px 20px;
            border-radius: 14px;
            border: 1px solid var(--blue-light);
            transition: all 0.3s ease;
        }

        .tool-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 102, 255, 0.1);
            border-color: var(--primary-color);
        }

        .tool-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary-color);
            margin-bottom: 18px;
        }

        .tool-content h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

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

        .tool-features li {
            padding: 6px 0;
            font-size: 13px;
            color: var(--text-light);
            padding-left: 14px;
            position: relative;
        }

        .tool-features li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 4px;
            background: var(--primary-color);
            border-radius: 50%;
        }

        .tool-features a {
            color: inherit;
            text-decoration: none;
        }

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

        /* ========== 优势 ========== */
        .advantages-section {
            padding: 100px 0;
            background: var(--bg-light);
        }

        .advantages-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .advantage-card {
            text-align: center;
            padding: 30px 20px;
            background: #fff;
            border-radius: 16px;
            transition: all 0.3s ease;
        }

        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 102, 255, 0.08);
        }

        .advantage-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: var(--bg-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary-color);
        }

        .advantage-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .advantage-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ========== 安全性 ========== */
        .security-section {
            padding: 100px 0;
        }

        .security-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
            max-width: 1000px;
            margin: 0 auto;
        }

        .security-visual {
            max-width: 300px;
            margin: 0 auto;
            padding: 40px;
            background: var(--bg-light);
            border-radius: 20px;
            text-align: center;
        }

        .security-icon-main {
            font-size: 80px;
            color: var(--primary-color);
            margin-bottom: 20px;
        }

        .security-features {
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .security-feature-item {
            text-align: center;
        }

        .security-feature-item i {
            font-size: 18px;
            color: var(--primary-color);
            margin-bottom: 6px;
            display: block;
        }

        .security-feature-item span {
            font-size: 11px;
            color: var(--text-light);
        }

        .security-content h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .security-content p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        /* ========== 系统兼容 ========== */


        /* ========== 系统兼容 ========== */
        .os-section {
            padding: 70px 0;
            background: var(--bg-light);
            text-align: center;
        }

        .os-title {
            font-size: 28px;
            font-weight: 600;
            margin-bottom: 30px;
        }

        .os-icons {
            display: flex;
            justify-content: center;
            gap: 25px;
            flex-wrap: wrap;
        }

        .os-icon i {
            font-size: 45px;
            color: var(--primary-color);
        }

        .os-name {
            font-size: 14px;
            color: var(--text-light);
            margin-top: 8px;
        }

        /* ========== 最新动态 ========== */
        .recent-section {
            padding: 100px 0;
        }

        .recent-container {
        }

        .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-color);
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 90px 0;
            background: linear-gradient(135deg, var(--primary-color), var(--blue-medium));
            color: #fff;
            text-align: center;
        }

        .cta-title {
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-description {
            font-size: 17px;
            margin-bottom: 35px;
            opacity: 0.9;
        }

        .cta-buttons {
            display: flex;
            gap: 15px;
            justify-content: center;
            flex-wrap: wrap;
        }

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

        .btn-white:hover {
            box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
        }

        .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }


        /* Product Download Section - Enhanced */
        .download-section {
            text-align: center;
            padding: 100px 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-color);
        }

        .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-color) 0%, var(--primary-dark) 100%);
            color: white;
            border: none;
            padding: 20px 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: 300px;
            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-color);
            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-color);
            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-color);
        }

        .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);
        }

        /* ========== 产品详情页功能特性 ========== */
        /* Features Section */
        .product-features-section {
            background: white;
            border-radius: 15px;
            padding: 50px 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }

        .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: 700px;
            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);
            color: white;
        }

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

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

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

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

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

        .product-feature-item-fa-icon {
            width: 52px;
            height: 52px;
            float: left;
            background: #f0fdf4;
            text-align: center;
            border-radius: 8px;
            font-size: 30px;
            color: #22c55e;
            line-height: 52px;
        }

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

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

        }


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

        .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-color);
        }

        .author-info {
            flex: 1;
        }

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

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



        /* 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;
        }


        .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);
            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-color);
            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);
            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-color);
        }

        /* ========== Footer ========== */

        /* 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: 1fr 1fr 1fr 1fr 2fr;
            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-color);
        }

        .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;
        }

        /* ========== 移动端菜单 ========== */
        .mobile-nav-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            z-index: 998;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .mobile-nav-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        .mobile-nav-panel {
            position: fixed;
            top: 60px;
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            overflow-y: auto;
            transform: translateY(-100%);
            opacity: 0;
            transition: all 0.3s ease;
        }

        .mobile-nav-panel.show {
            transform: translateY(0);
            opacity: 1;
        }

        .mobile-nav-list {
            list-style: none;
        }

        .mobile-nav-item {
            border-bottom: 1px solid #f0f0f0;
        }

        .mobile-nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            color: #1a1a1a;
            text-decoration: none;
            font-size: 16px;
            cursor: pointer;
        }

        .mobile-nav-link i {
            font-size: 12px;
            transition: transform 0.3s ease;
        }

        .mobile-nav-link.open i {
            transform: rotate(180deg);
        }

        .mobile-dropdown {
            background: #f8f9fa;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .mobile-dropdown.show {
            max-height: 300px;
        }

        .mobile-dropdown-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 15px 20px;
            color: #1a1a1a;
            text-decoration: none;
            background: #fff;
            margin: 10px 15px;
            border-radius: 12px;
            border: 1px solid #eee;
        }

        .mobile-dropdown-icon {
            width: 44px;
            height: 44px;
            background: #f0f5ff;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0066ff;
        }

        .mobile-dropdown-content {
            flex: 1;
        }

        .mobile-dropdown-title {
            font-weight: 600;
            font-size: 15px;
            margin-bottom: 4px;
        }

        .mobile-dropdown-desc {
            font-size: 13px;
            color: #666;
        }

        .mobile-nav-btn {
            display: block;
            margin: 20px;
            padding: 16px 24px;
            background: linear-gradient(135deg, #0066ff, #3d7fff);
            color: #fff;
            text-align: center;
            text-decoration: none;
            border-radius: 25px;
            font-size: 15px;
            font-weight: 500;
        }

        /*==================文章列表=====================*/


        /* 主内容区 */
        .article-list-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);
            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;
            margin-top: 50px;
        }

        .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-content table {
          width: 100%;
          max-width: 100%;
          margin: 16px 0 24px;
          border-collapse: collapse;
          border-spacing: 0;
          background-color: #ffffff;
          border-radius: 8px;
          overflow: hidden;
          box-shadow: 0 4px 12px rgba(0, 123, 255, 0.08);
          border: 1px solid #e6f2ff;
          transition: all 0.3s ease;
        }

        .article-content table:hover {
          box-shadow: 0 6px 16px rgba(0, 123, 255, 0.12);
          border-color: #b3d9ff;
        }

        /* 表头样式 */
        .article-content table thead {
          background: linear-gradient(135deg, #e6f2ff 0%, #cce5ff 100%);
          border-bottom: 2px solid #99ccff;
        }

        .article-content table thead tr th {
          padding: 16px 20px;
          text-align: left;
          font-weight: 600;
          font-size: 15px;
          color: #0066cc;
          border-right: 1px solid #d9ecff;
          position: relative;
          overflow: hidden;
        }

        .article-content table thead tr th:last-child {
          border-right: none;
        }

        .article-content table thead tr th::after {
          content: '';
          position: absolute;
          bottom: 0;
          left: 20px;
          right: 20px;
          height: 1px;
          background: linear-gradient(90deg, transparent, #66b3ff, transparent);
        }

        /* 表头单元格悬停效果 */
        .article-content table thead tr th:hover {
          background: linear-gradient(135deg, #d9ecff 0%, #b3d9ff 100%);
          cursor: default;
        }

        /* 表格内容 */
        .article-content table tbody tr {
          transition: all 0.2s ease;
          border-bottom: 1px solid #f0f8ff;
        }

        .article-content table tbody tr:last-child {
          border-bottom: none;
        }

        .article-content table tbody tr td {
          padding: 14px 20px;
          font-size: 14px;
          line-height: 1.6;
          color: #333;
          border-right: 1px solid #f0f8ff;
          position: relative;
          transition: all 0.3s ease;
        }

        .article-content table tbody tr td:last-child {
          border-right: none;
        }

        /* 奇偶行不同背景色 - 浅蓝色渐变 */
        .article-content table tbody tr:nth-child(odd) {
          background-color: #fafcff;
        }

        .article-content table tbody tr:nth-child(even) {
          background-color: #ffffff;
        }

        /* 行悬停效果 - 浅蓝色背景 */
        .article-content table tbody tr:hover {
          background-color: #f0f8ff;
          transform: translateY(-1px);
          box-shadow: 0 2px 8px rgba(0, 123, 255, 0.1);
        }

        .article-content table tbody tr:hover td {
          color: #0066cc;
          border-right-color: #e6f2ff;
        }

        /* 表格内链接样式 */
        .article-content table a {
          color: #0066cc;
          text-decoration: none;
          border-bottom: 1px dashed #99ccff;
          transition: all 0.2s ease;
          padding: 0 2px;
        }

        .article-content table a:hover {
          color: #004d99;
          border-bottom: 1px solid #0066cc;
          background-color: #e6f2ff;
          border-radius: 2px;
        }

        .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-color);
            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-color);
        }

        .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-color);
            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-color);
        }

        .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-color);
        }

        .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);
            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);
            color: white;
            border-color: var(--primary-color);
        }

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




        /* 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-color);
                        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-color);
                }
                .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-color);
                }

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

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

                .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-color);
                }

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

.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-color);
            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-color);
        }

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

        /* 悬浮下载按钮 */
        .floating-btn {
            position: fixed;
            right: 30px;
            top: 80%;
            transform: translateY(-50%);
            z-index: 1000;
        }
        .floating-btn .download-btn-main {
            padding: 16px 25px;
            background: linear-gradient(135deg, #1a73e8, #4285f4);
            color: #fff;
            border: none;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            animation: float 3s ease-in-out infinite;
        }

        .floating-btn .download-btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
        }

        /* 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;
                }


        /* 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-color);
                    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-color);
                            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-color);
                            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);
            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;
        }

        .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;
        }

        .download-content {
            margin-top: 40px;
            max-width: 1200px;
        }

        /* 页面标题 */
       .download-content .page-header {
            text-align: center;
            margin-bottom: 20px;
        }

        .download-content .page-header h1 {
            font-size: 32px;
            color: #1a1a1a;
            margin-bottom: 12px;
        }

        .download-content .page-header p {
            color: #666;
            font-size: 16px;
        }

        /* 产品切换标签 */
        .download-content .product-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .download-content .tab-btn {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            background: #fff;
            border: 2px solid #e8e8e8;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 15px;
            color: #555;
        }

        .download-content .tab-btn:hover {
            border-color: #1a73e8;
            color: #1a73e8;
        }

        .download-content .tab-btn.active {
            background: linear-gradient(135deg, #1a73e8, #4285f4);
            border-color: transparent;
            color: #fff;
            box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
        }

        .download-content .tab-btn i {
            font-size: 20px;
        }

        .download-content .tab-btn .tab-info {
            text-align: left;
        }

        .download-content .tab-btn .tab-name {
            font-weight: 600;
            display: block;
        }

        .download-content .tab-btn .tab-version {
            font-size: 12px;
            opacity: 0.8;
        }


        /* 产品内容区 */
        .download-content .product-section {
            display: none;
            margin-bottom: 20px;
        }

        .download-content .product-section.active {
            display: block;
            animation: fadeIn 0.4s ease;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* 产品信息卡片 */
        .download-content .product-card {
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            overflow: hidden;
        }

        .download-content .product-hero {
            display: flex;
            padding: 40px;
            gap: 40px;
            align-items: center;
        }

        .download-content .product-icon {
            width: 100px;
            height: 100px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 42px;
            color: #fff;
            flex-shrink: 0;
        }

        .download-content .product-icon.blue { background: linear-gradient(135deg, #1a73e8, #4285f4); }
        .download-content .product-icon.green { background: linear-gradient(135deg, #34a853, #5cb85c); }
        .download-content .product-icon.purple { background: linear-gradient(135deg, #9c27b0, #ba68c8); }
        .download-content .product-icon.orange { background: linear-gradient(135deg, #ff6d00, #ffab40); }

        .download-content .download-product-info {
            flex: 1;
        }

        .download-content .download-product-info h2 {
            font-size: 26px;
            color: #1a1a1a;
            margin-bottom: 10px;
        }

        .download-content .product-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }

        .download-content .download-product-info .version-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #e8f0fe;
            color: #1a73e8;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
        }

        .download-content .download-product-info .platform-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #fff3e0;
            color: #ff6d00;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
        }

        .download-content .download-product-info .size-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #e8f5e9;
            color: #34a853;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
        }

        .download-content .download-product-info .description {
            color: #666;
            font-size: 15px;
            max-width: 550px;
            line-height: 1.7;
        }

        .download-content .download-area {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .download-content .download-btn-main {
            padding: 16px 48px;
            background: linear-gradient(135deg, #1a73e8, #4285f4);
            color: #fff;
            border: none;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .download-content .download-btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
        }

        .download-content .download-tip {
            font-size: 12px;
            color: #999;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* 功能特性区 */
        .download-content .features-section {
            padding: 30px 40px;
            border-top: 1px solid #f0f0f0;
        }

        .download-content .features-section h3 {
            font-size: 17px;
            color: #1a1a1a;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .download-content .features-section h3 i {
            color: #1a73e8;
        }

        .download-content .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .download-content .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 18px;
            background: #f8fafc;
            border-radius: 12px;
            transition: all 0.3s;
        }

        .download-content .feature-item:hover {
            background: #f0f7ff;
            transform: translateY(-2px);
        }

        .download-content .feature-item .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, #1a73e8, #4285f4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .download-content .feature-item .feature-icon.green {
            background: linear-gradient(135deg, #34a853, #5cb85c);
        }

        .download-content .feature-item .feature-icon.purple {
            background: linear-gradient(135deg, #9c27b0, #ba68c8);
        }

        .download-content .feature-item .feature-icon.orange {
            background: linear-gradient(135deg, #ff6d00, #ffab40);
        }

        .download-content .feature-item .feature-text h4 {
            font-size: 14px;
            color: #1a1a1a;
            margin-bottom: 4px;
        }

        .download-content .feature-item .feature-text p {
            font-size: 12px;
            color: #888;
            line-height: 1.5;
        }

        /* 快捷链接区 */
        .download-content .quick-links-section {
            padding: 25px 40px;
            border-top: 1px solid #f0f0f0;
            background: #fafbfc;
        }

        .download-content .quick-links-section h3 {
            font-size: 17px;
            color: #1a1a1a;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .download-content .quick-links-section h3 i {
            color: #34a853;
        }

        .download-content .quick-links-grid {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .download-content .quick-link-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: #fff;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            text-decoration: none;
            color: #333;
            font-size: 14px;
            font-weight: 500;
            transition: all 0.3s;
        }

        .download-content .quick-link-btn:hover {
            border-color: #1a73e8;
            color: #1a73e8;
            background: #f0f7ff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(26, 115, 232, 0.1);
        }

        .download-content .quick-link-btn i {
            font-size: 16px;
            color: #1a73e8;
        }

        .download-content .quick-link-btn.primary {
            background: linear-gradient(135deg, #1a73e8, #4285f4);
            border-color: transparent;
            color: #fff;
        }

        .download-content .quick-link-btn.primary i {
            color: #fff;
        }

        .download-content .quick-link-btn.primary:hover {
            background: linear-gradient(135deg, #1557b0, #3367d6);
            color: #fff;
            box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
        }

        .download-content .history-toggle {
                    padding: 18px 40px;
                    border-top: 1px solid #f0f0f0;
                }
        /* ========== 响应式 - 1200px ========== */
        @media (max-width: 1200px) {
            .nav-container { padding: 0 30px; }
            .product-slide-inner { padding: 0 30px; }
            .product-title { font-size: 38px; }
            .tools-grid { grid-template-columns: repeat(2, 1fr); }
            .advantages-container { grid-template-columns: repeat(2, 1fr); }
            .feature-showcase-content { grid-template-columns: 1fr; }
            .feature-tabs { display: grid; grid-template-columns: repeat(2, 1fr); }
            .feature-display { min-height: auto; }
            .feature-panel { position: relative; display: none; }
            .feature-panel.active { display: block; }
        }

        /* ========== 响应式 - 1024px ========== */
        @media (max-width: 1024px) {
            .product-grid,
            .detail-row,
            .security-container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .security-content { text-align: center; }
            .detail-row.reverse { direction: ltr; }

            .product-info {
                max-width: 100%;
                text-align: left;
            }

            .product-grid {
                text-align: left;
            }

            .features-grid {
                max-width: 100%;
                margin: 0 0 30px 0;
            }

            .cta-group {
                justify-content: flex-start;
            }

            .product-visual {
                max-width: 500px;
                margin: 0 auto;
            }

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

            .article-image {
                 flex: 0 0 200px;
            }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-content { grid-template-columns: repeat(3, 1fr); }

            .footer-content {
                display: grid;
                grid-template-columns: 1fr 1fr 1fr;
                gap: 40px;
                margin-bottom: 40px;
            }

            .download-content .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== 响应式 - 768px ========== */
        @media (max-width: 768px) {
            :root { --nav-height: 60px; }
            .nav-container { padding: 0 15px; }
            .logo { font-size: 18px; }
            .mobile-menu-btn { display: block; }
            .nav-menu { display: none !important; }
            .container { padding: 0 20px; }

            .hero-section {
                min-height: auto;
                padding: calc(var(--nav-height) + 30px) 0 50px;
            }

            /* 移动端：禁用轮播，垂直堆叠 */
            .product-carousel-wrapper {
                overflow: visible;
                margin-bottom: 30px;
            }

            .product-carousel-track {
                display: block;
                transform: none !important;
                transition: none;
            }

            .product-slide {
                width: 100%;
                margin-bottom: 60px;
            }

            .product-slide:last-child {
                margin-bottom: 0;
            }

            .product-slide-inner {
                padding: 0 20px;
            }

            .product-grid {
                gap: 30px;
                text-align: left;
            }

            .product-info { text-align: left; }
            .product-tag { font-size: 11px; padding: 6px 12px; }
            .product-title { font-size: 28px; }
            .product-description { font-size: 15px; margin-bottom: 25px; }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 15px;
                margin-bottom: 25px;
            }

            .cta-group {
                flex-direction: column;
                align-items: stretch;
            }

            .btn { width: 100%; padding: 14px 24px; }
            .btn-link { width: auto; align-self: flex-start; }

            .floating-badge { display: none; }
            .tab-navigation-bottom { display: none; }

            .detail-section { padding: 60px 0; }
            .detail-row { gap: 30px; text-align: left; }
            .detail-content { text-align: left; }
            .detail-title { font-size: 26px; }

            .feature-showcase-section { padding: 60px 0; }
            .showcase-title { font-size: 26px; }
            .feature-tabs { grid-template-columns: 1fr; }
            .feature-highlights { grid-template-columns: 1fr; }

            .stats-section { padding: 50px 0; }
            .stat-number { font-size: 36px; }

            .features-section { padding: 60px 0 0; }
            .section-title { font-size: 26px; }
            .tools-grid { grid-template-columns: 1fr; }

            .advantages-section { padding: 60px 0; }
            .advantages-container { grid-template-columns: 1fr; }

            .recent-section { padding: 60px 0; }
                        .advantages-container { grid-template-columns: 1fr; }

            .security-section { padding: 60px 0; }
            .security-container { gap: 30px; text-align: left; }
            .security-content h2 { font-size: 26px; }

            .os-section { padding: 50px 0; }
            .os-title { font-size: 22px; }

            .cta-section { padding: 60px 0; }
            .cta-title { font-size: 28px; }
            .cta-buttons { flex-direction: column; max-width: 280px; margin: 0 auto; }

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

            .article-meta {
                flex-direction: column;
                gap: 10px;
            }
            .article-content {
                margin-top: 220px;
            }

            .footer-content {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 40px;
                margin-bottom: 40px;
            }

.download-content .product-hero {
                flex-direction: column;
                text-align: center;
                padding: 30px 20px;
            }

            .download-content .product-badges {
                justify-content: center;
            }

            .download-content .product-info .description {
                margin: 0 auto;
            }

            .download-content .features-section,
            .download-content .quick-links-section,
            .download-content .history-toggle,
            .download-content .history-content {
                padding-left: 20px;
                padding-right: 20px;
            }

            .download-content .features-grid {
                grid-template-columns: 1fr;
            }

            .download-content .quick-links-grid {
                justify-content: center;
            }

            .download-content .nav-links {
                display: none;
            }

            .download-content .tab-btn {
                padding: 12px 20px;
            }
        }

        @media (max-width: 480px) {
            .footer-content {
                display: grid;
                grid-template-columns: 1fr;
                gap: 40px;
                margin-bottom: 40px;
            }
            .product-title { font-size: 24px; }
            .detail-title, .showcase-title, .section-title { font-size: 22px; }
            .cta-title { font-size: 24px; }
            .stats-grid { grid-template-columns: 1fr; }
            .features-header h2, .pricing-header h2, .testimonials-header h2 {
                            font-size: 28px;
                        }

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


        }