:root {
            --lnok-primary: #9b1c1c;
            --lnok-primary-light: #c81e1e;
            --lnok-dark: #111827;
            --lnok-gray-100: #f3f4f6;
            --lnok-gray-200: #e5e7eb;
            --lnok-gray-600: #4b5563;
            --lnok-gray-800: #1f2937;
            --lnok-white: #ffffff;
            --lnok-max-width: 1140px;
            --lnok-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.7;
            color: var(--lnok-gray-800);
            background-color: var(--lnok-white);
            word-break: break-word;
            overflow-wrap: break-word;
        }

        /* Typography */
        h1, h2, h3, h4 {
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--lnok-dark);
            white-space: normal;
            word-break: keep-all;
        }

        h1 { font-size: clamp(2rem, 5vw + 1rem, 3.5rem); font-weight: 800; }
        h2 { font-size: clamp(1.5rem, 3vw + 1rem, 2.5rem); font-weight: 700; position: relative; padding-bottom: 1rem; }
        h2::after { content: ''; position: absolute; bottom: 0; left: 0; width: 60px; height: 4px; background: var(--lnok-primary); }
        p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.125rem); margin-bottom: 1.5rem; }

        /* Layout Components */
        .lnok-container {
            max-width: var(--lnok-max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .lnok-section {
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .lnok-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .lnok-flex-item {
            flex: 1;
            min-width: 0;
        }

        /* Navigation */
        .lnok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--lnok-gray-200);
            padding: 16px 0;
        }

        .lnok-nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .lnok-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .lnok-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 8px;
        }

        .lnok-nav-link {
            text-decoration: none;
            color: var(--lnok-gray-600);
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 6px;
            transition: var(--lnok-transition);
            font-size: 0.95rem;
        }

        .lnok-nav-link:hover {
            color: var(--lnok-primary);
            background: var(--lnok-gray-100);
        }

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

        /* Hero Download Section */
        .lnok-hero {
            background: linear-gradient(135deg, #fdfcfb 0%, #e2d1c3 100%);
            padding: 120px 0 80px;
            text-align: center;
        }

        .lnok-hero-card {
            background: var(--lnok-white);
            border-radius: 24px;
            padding: 48px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.1);
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
            text-align: left;
        }

        .lnok-hero-image {
            flex: 1;
            min-width: 300px;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .lnok-hero-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }

        .lnok-hero-image:hover img {
            transform: scale(1.05);
        }

        .lnok-hero-text {
            flex: 1.2;
            min-width: 300px;
        }

        .lnok-download-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 32px;
        }

        .lnok-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 32px;
            border-radius: 12px;
            font-weight: 700;
            text-decoration: none;
            transition: var(--lnok-transition);
            cursor: pointer;
            border: none;
        }

        .lnok-btn-primary {
            background: var(--lnok-primary);
            color: var(--lnok-white);
            box-shadow: 0 4px 14px rgba(155, 28, 28, 0.4);
        }

        .lnok-btn-primary:hover {
            background: var(--lnok-primary-light);
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(155, 28, 28, 0.6);
        }

        .lnok-btn-outline {
            background: transparent;
            border: 2px solid var(--lnok-primary);
            color: var(--lnok-primary);
        }

        .lnok-btn-outline:hover {
            background: var(--lnok-primary);
            color: var(--lnok-white);
        }

        /* Features/Logic Engine */
        .lnok-bg-gray { background-color: #fafafa; }

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

        .lnok-feature-card {
            background: var(--lnok-white);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--lnok-gray-200);
            transition: var(--lnok-transition);
        }

        .lnok-feature-card:hover {
            border-color: var(--lnok-primary);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transform: translateY(-5px);
        }

        .lnok-feature-tag {
            display: inline-block;
            color: var(--lnok-primary);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        /* License & System Info */
        .lnok-info-block {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 80px;
        }

        .lnok-info-block.lnok-reverse {
            flex-direction: row-reverse;
        }

        .lnok-info-content {
            flex: 1;
            min-width: 320px;
        }

        .lnok-info-visual {
            flex: 1;
            min-width: 320px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .lnok-info-visual img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Stats/ROI Section */
        .lnok-stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
            margin-top: 48px;
        }

        .lnok-stat-item {
            text-align: center;
            padding: 32px;
            background: var(--lnok-dark);
            color: var(--lnok-white);
            border-radius: 16px;
        }

        .lnok-stat-value {
            display: block;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--lnok-primary-light);
            margin-bottom: 8px;
        }

        .lnok-stat-label {
            font-size: 0.9rem;
            opacity: 0.8;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Footer */
        .lnok-footer {
            background: var(--lnok-dark);
            color: var(--lnok-white);
            padding: 80px 0 40px;
        }

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

        .lnok-footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--lnok-white);
        }

        .lnok-footer-links h4 {
            color: var(--lnok-white);
            font-size: 1.1rem;
            margin-bottom: 24px;
        }

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

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

        .lnok-footer-links a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            transition: var(--lnok-transition);
        }

        .lnok-footer-links a:hover {
            color: var(--lnok-white);
            padding-left: 5px;
        }

        .lnok-copyright {
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.4);
        }

        /* Responsive Adjustments */
        @media (max-width: 768px) {
            .lnok-header { padding: 12px 0; }
            .lnok-nav-container { justify-content: center; gap: 16px; }
            .lnok-nav-menu { justify-content: center; }
            .lnok-section { padding: 64px 0; }
            .lnok-hero-card { padding: 32px; }
            .lnok-info-block { gap: 32px; }
        }

        /* Animations */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .lnok-animate {
            animation: fadeInUp 0.8s ease forwards;
        }