:root {
            --uk3xk0-primary: #FFB84D;
            --uk3xk0-primary-dark: #FF9500;
            --uk3xk0-accent: #3A3A3A;
            --uk3xk0-text: #2D3436;
            --uk3xk0-text-light: #636E72;
            --uk3xk0-bg-gradient: linear-gradient(135deg, #FFF9F2 0%, #FFFFFF 100%);
            --uk3xk0-white: #FFFFFF;
            --uk3xk0-shadow: 0 10px 30px rgba(255, 184, 77, 0.15);
            --uk3xk0-radius: 20px;
            --uk3xk0-container-width: 1320px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--uk3xk0-text);
            line-height: 1.6;
            background: var(--uk3xk0-white);
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Utility Classes */
        .uk3xk0-container {
            max-width: var(--uk3xk0-container-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .uk3xk0-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .uk3xk0-section {
            padding: 96px 0;
            position: relative;
        }

        /* Navigation */
        .uk3xk0-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(255, 184, 77, 0.1);
        }

        .uk3xk0-nav-inner {
            height: 80px;
            align-items: center;
            justify-content: space-between;
            display: flex;
            flex-wrap: wrap;
        }

        .uk3xk0-logo {
            flex: 0 0 auto;
            min-width: 0;
        }

        .uk3xk0-logo img {
            height: 40px;
            display: block;
        }

        .uk3xk0-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
        }

        .uk3xk0-menu a {
            text-decoration: none;
            color: var(--uk3xk0-text);
            font-weight: 500;
            font-size: 1rem;
            transition: color 0.3s;
            padding: 8px 4px;
        }

        .uk3xk0-menu a:hover {
            color: var(--uk3xk0-primary-dark);
        }

        .uk3xk0-nav-cta {
            background: var(--uk3xk0-primary);
            color: white;
            padding: 10px 24px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(255, 184, 77, 0.3);
        }

        .uk3xk0-nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 184, 77, 0.4);
        }

        /* Hero Download Section */
        .uk3xk0-hero {
            padding-top: 160px;
            padding-bottom: 80px;
            background: var(--uk3xk0-bg-gradient);
            text-align: center;
            overflow: hidden;
        }

        .uk3xk0-hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .uk3xk0-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            margin-bottom: 24px;
            background: linear-gradient(to right, #2D3436, #FF9500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .uk3xk0-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--uk3xk0-text-light);
            margin-bottom: 48px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            overflow-wrap: break-word;
        }

        /* Trust Badge Bar */
        .uk3xk0-security-bar {
            background: #FDFDFD;
            padding: 24px 0;
            border-top: 1px solid #EEE;
            border-bottom: 1px solid #EEE;
        }

        .uk3xk0-security-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 40px;
        }

        .uk3xk0-security-item {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 0;
        }

        .uk3xk0-security-badge {
            width: 48px;
            height: 48px;
            object-fit: contain;
        }

        .uk3xk0-security-text {
            font-weight: 600;
            color: #27AE60;
            font-size: 1.1rem;
        }

        /* Split Download Section */
        .uk3xk0-download-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 48px;
            margin-top: 64px;
        }

        .uk3xk0-download-card {
            background: var(--uk3xk0-white);
            border-radius: var(--uk3xk0-radius);
            overflow: hidden;
            box-shadow: var(--uk3xk0-shadow);
            transition: transform 0.4s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .uk3xk0-download-card:hover {
            transform: translateY(-10px);
        }

        .uk3xk0-card-image {
            width: 100%;
            height: 300px;
            object-fit: cover;
            display: block;
        }

        .uk3xk0-card-body {
            padding: 40px;
            text-align: left;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .uk3xk0-card-tag {
            color: var(--uk3xk0-primary-dark);
            text-transform: uppercase;
            font-weight: 700;
            letter-spacing: 1px;
            font-size: 0.9rem;
            margin-bottom: 12px;
            display: block;
        }

        .uk3xk0-card-title {
            font-size: 2rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .uk3xk0-card-desc {
            color: var(--uk3xk0-text-light);
            margin-bottom: 32px;
            font-size: 1.05rem;
            flex-grow: 1;
        }

        .uk3xk0-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .uk3xk0-btn-main {
            background: var(--uk3xk0-primary);
            color: white;
            padding: 14px 32px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
            min-width: 160px;
        }

        .uk3xk0-btn-main:hover {
            background: var(--uk3xk0-primary-dark);
        }

        .uk3xk0-btn-outline {
            border: 2px solid #EEE;
            padding: 12px 32px;
            border-radius: 12px;
            text-decoration: none;
            color: var(--uk3xk0-text);
            font-weight: 600;
            transition: all 0.3s;
        }

        .uk3xk0-btn-outline:hover {
            background: #F8F9FA;
            border-color: var(--uk3xk0-primary);
        }

        /* Features Section */
        .uk3xk0-feature-box {
            background: #FAFAFA;
            border-radius: 32px;
            padding: 64px;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 40px;
        }

        .uk3xk0-feature-item {
            min-width: 0;
        }

        .uk3xk0-feature-icon {
            font-size: 2.5rem;
            margin-bottom: 24px;
            display: block;
        }

        .uk3xk0-feature-item h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }

        .uk3xk0-feature-item p {
            color: var(--uk3xk0-text-light);
        }

        /* Dynamic Content - Articles */
        .uk3xk0-news-section {
            background: var(--uk3xk0-white);
        }

        .uk3xk0-section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .uk3xk0-section-header h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .uk3xk0-article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .uk3xk0-article-card {
            padding: 32px;
            border-radius: 16px;
            background: #FFF;
            border: 1px solid #F0F0F0;
            transition: all 0.3s;
            text-decoration: none;
            color: inherit;
            display: block;
            min-width: 0;
        }

        .uk3xk0-article-card:hover {
            border-color: var(--uk3xk0-primary);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        /* FAQ Section */
        .uk3xk0-faq-section {
            background: #FDF9F3;
        }

        .uk3xk0-faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .uk3xk0-faq-item {
            background: white;
            padding: 24px;
            border-radius: 12px;
            margin-bottom: 16px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .uk3xk0-faq-q {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--uk3xk0-primary-dark);
        }

        /* Footer */
        .uk3xk0-footer {
            background: #1A1A1A;
            color: #FFFFFF;
            padding: 80px 0 40px;
        }

        .uk3xk0-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .uk3xk0-footer-brand h2 {
            font-size: 1.8rem;
            margin-bottom: 16px;
            color: var(--uk3xk0-primary);
        }

        .uk3xk0-footer-links h4 {
            font-size: 1.1rem;
            margin-bottom: 24px;
            color: #999;
        }

        .uk3xk0-footer-links ul {
            list-style: none;
        }

        .uk3xk0-footer-links li {
            margin-bottom: 12px;
        }

        .uk3xk0-footer-links a {
            color: #CCC;
            text-decoration: none;
            transition: color 0.3s;
        }

        .uk3xk0-footer-links a:hover {
            color: var(--uk3xk0-primary);
        }

        .uk3xk0-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid #333;
            color: #666;
            font-size: 0.9rem;
        }

        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .uk3xk0-menu {
                display: none;
            }
            .uk3xk0-section {
                padding: 64px 0;
            }
            .uk3xk0-download-grid {
                grid-template-columns: 1fr;
            }
            .uk3xk0-card-image {
                height: 200px;
            }
            .uk3xk0-feature-box {
                padding: 32px;
            }
        }