:root {
            --lnok-primary: #e63946;
            --lnok-secondary: #1d3557;
            --lnok-accent: #f1faee;
            --lnok-text: #2b2d42;
            --lnok-bg: #ffffff;
            --lnok-gray-light: #f8f9fa;
            --lnok-border: #dee2e6;
            --lnok-pro-gold: #d4af37;
            --lnok-spacing-unit: 8px;
        }

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

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

        /* Typography */
        h1, h2, h3, h4 {
            line-height: 1.2;
            margin-bottom: calc(var(--lnok-spacing-unit) * 3);
            white-space: normal;
            font-weight: 700;
        }

        h1 { font-size: clamp(2rem, 5vw + 1rem, 4rem); }
        h2 { font-size: clamp(1.5rem, 3vw + 0.5rem, 2.5rem); }
        h3 { font-size: clamp(1.2rem, 2vw + 0.5rem, 1.8rem); }

        p { margin-bottom: calc(var(--lnok-spacing-unit) * 2); line-height: 1.8; }

        /* Layout Containers */
        .lnok-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 calc(var(--lnok-spacing-unit) * 3);
        }

        /* Navigation */
        .lnok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--lnok-border);
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

        .lnok-nav-inner {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: auto;
            min-height: 80px;
            padding: 10px 0;
        }

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

        .lnok-logo img {
            height: 50px;
            width: auto;
            display: block;
        }

        .lnok-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: calc(var(--lnok-spacing-unit) * 2);
        }

        .lnok-menu li { min-width: 0; }

        .lnok-menu a {
            text-decoration: none;
            color: var(--lnok-secondary);
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .lnok-menu a:hover {
            color: var(--lnok-primary);
            background: rgba(230, 57, 70, 0.05);
        }

        .lnok-menu a.active {
            color: #fff;
            background: var(--lnok-primary);
        }

        /* Hero Pricing Section */
        .lnok-hero-pricing {
            background: linear-gradient(135deg, #1d3557 0%, #457b9d 100%);
            color: #fff;
            padding: calc(var(--lnok-spacing-unit) * 12) 0;
            text-align: center;
            clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
        }

        .lnok-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        /* Pricing Grid */
        .lnok-pricing-section {
            padding: calc(var(--lnok-spacing-unit) * 8) 0;
            margin-top: calc(var(--lnok-spacing-unit) * -8);
        }

        .lnok-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: calc(var(--lnok-spacing-unit) * 4);
            align-items: stretch;
        }

        .lnok-card {
            background: #fff;
            border-radius: 20px;
            padding: calc(var(--lnok-spacing-unit) * 6);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border: 1px solid var(--lnok-border);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .lnok-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 60px rgba(0,0,0,0.12);
        }

        .lnok-card.featured {
            border: 2px solid var(--lnok-pro-gold);
        }

        .lnok-badge {
            position: absolute;
            top: 20px;
            right: -35px;
            background: var(--lnok-pro-gold);
            color: #fff;
            padding: 5px 40px;
            transform: rotate(45deg);
            font-size: 0.8rem;
            font-weight: bold;
        }

        .lnok-price-tag {
            margin: calc(var(--lnok-spacing-unit) * 4) 0;
        }

        .lnok-currency { font-size: 1.5rem; vertical-align: top; }
        .lnok-amount { font-size: 3.5rem; font-weight: 800; color: var(--lnok-secondary); }
        .lnok-period { color: #666; }

        .lnok-feature-list {
            list-style: none;
            margin-bottom: calc(var(--lnok-spacing-unit) * 4);
            flex-grow: 1;
        }

        .lnok-feature-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--lnok-gray-light);
            display: flex;
            align-items: center;
        }

        .lnok-feature-list li::before {
            content: "✓";
            color: #2a9d8f;
            margin-right: 12px;
            font-weight: bold;
        }

        .lnok-btn {
            display: inline-block;
            padding: 16px 32px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            text-align: center;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            min-width: 0;
        }

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

        .lnok-btn-primary:hover {
            background: #c1121f;
            box-shadow: 0 10px 20px rgba(230, 57, 70, 0.3);
        }

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

        .lnok-btn-outline:hover {
            background: var(--lnok-secondary);
            color: #fff;
        }

        /* Logic Engine Section - Visual Table */
        .lnok-logic-section {
            background-color: var(--lnok-gray-light);
            padding: calc(var(--lnok-spacing-unit) * 12) 0;
        }

        .lnok-logic-card {
            background: #fff;
            padding: calc(var(--lnok-spacing-unit) * 4);
            border-left: 5px solid var(--lnok-primary);
            margin-bottom: calc(var(--lnok-spacing-unit) * 3);
            border-radius: 0 12px 12px 0;
        }

        /* ROI Section */
        .lnok-roi-section {
            padding: calc(var(--lnok-spacing-unit) * 12) 0;
        }

        .lnok-roi-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: calc(var(--lnok-spacing-unit) * 4);
        }

        .lnok-roi-item {
            text-align: center;
            padding: calc(var(--lnok-spacing-unit) * 4);
            background: var(--lnok-accent);
            border-radius: 16px;
        }

        .lnok-roi-value {
            display: block;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--lnok-primary);
            margin-bottom: 10px;
        }

        /* Footer */
        .lnok-footer {
            background: var(--lnok-secondary);
            color: #fff;
            padding: calc(var(--lnok-spacing-unit) * 8) 0;
            margin-top: calc(var(--lnok-spacing-unit) * 8);
        }

        .lnok-footer-grid {
            display: flex;
            flex-wrap: wrap;
            gap: calc(var(--lnok-spacing-unit) * 6);
            justify-content: space-between;
        }

        .lnok-footer-col {
            flex: 1;
            min-width: 250px;
        }

        .lnok-footer-brand {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            display: block;
        }

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

        .lnok-footer-links li { margin-bottom: 10px; }
        .lnok-footer-links a { color: rgba(255,255,255,0.7); text-decoration: none; transition: color 0.3s; }
        .lnok-footer-links a:hover { color: #fff; }

        .lnok-copyright {
            text-align: center;
            padding-top: calc(var(--lnok-spacing-unit) * 4);
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: calc(var(--lnok-spacing-unit) * 4);
            font-size: 0.9rem;
            color: rgba(255,255,255,0.5);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .lnok-nav-inner { justify-content: center; }
            .lnok-menu { justify-content: center; margin-top: 20px; }
            .lnok-hero-pricing { clip-path: none; padding: 60px 0; }
            .lnok-grid { grid-template-columns: 1fr; }
            .lnok-pricing-section { margin-top: 0; }
        }