:root {
            --lnok-primary: #C0272D;
            --lnok-primary-dark: #8E1C21;
            --lnok-bg-light: #F8F9FA;
            --lnok-text-main: #2D2D2D;
            --lnok-text-muted: #666666;
            --lnok-white: #FFFFFF;
            --lnok-border: #E0E0E0;
            --lnok-gap: 8px;
            --lnok-max-width: 1400px;
        }

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

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

        /* Typography */
        h1, h2, h3 {
            line-height: 1.2;
            white-space: normal;
            font-weight: 800;
        }

        p {
            line-height: 1.8;
            margin-bottom: 1.5rem;
        }

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

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

        .lnok-flex > * {
            min-width: 0;
        }

        /* Header & Navigation */
        .lnok-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--lnok-border);
            padding: 16px 0;
        }

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

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

        .lnok-nav {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
        }

        .lnok-nav-item a {
            text-decoration: none;
            color: var(--lnok-text-main);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }

        .lnok-nav-item a:hover {
            color: var(--lnok-primary);
            background: rgba(192, 39, 45, 0.05);
        }

        .lnok-nav-item.lnok-active a {
            color: var(--lnok-primary);
            font-weight: 700;
            background: rgba(192, 39, 45, 0.1);
        }

        /* Hero Section - Unique "Split Pane" Layout */
        .lnok-hero {
            padding: 96px 0;
            background: radial-gradient(circle at 10% 20%, rgba(192, 39, 45, 0.03) 0%, rgba(255, 255, 255, 1) 90%);
            position: relative;
        }

        .lnok-hero-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
            gap: 48px;
            align-items: center;
        }

        .lnok-hero-content {
            padding-right: 32px;
        }

        .lnok-hero-title {
            font-size: clamp(2.5rem, 5vw, 4rem);
            margin-bottom: 24px;
            color: var(--lnok-text-main);
            letter-spacing: -1px;
        }

        .lnok-hero-subtitle {
            font-size: clamp(1.1rem, 2vw, 1.3rem);
            color: var(--lnok-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .lnok-hero-image-frame {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
            background: var(--lnok-white);
        }

        .lnok-hero-image-frame img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.6s ease;
        }

        .lnok-hero-image-frame:hover img {
            transform: scale(1.02);
        }

        /* Precision Engine Section */
        .lnok-section-logic {
            padding: 96px 0;
            background-color: var(--lnok-bg-light);
        }

        .lnok-section-title {
            text-align: center;
            margin-bottom: 64px;
            font-size: clamp(2rem, 3vw, 2.5rem);
        }

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

        .lnok-logic-card {
            background: var(--lnok-white);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--lnok-border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .lnok-logic-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

        .lnok-logic-name {
            color: var(--lnok-primary);
            font-size: 1.5rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .lnok-logic-depth {
            font-weight: 700;
            margin-bottom: 12px;
            display: block;
        }

        .lnok-logic-usecase {
            font-size: 0.95rem;
            color: var(--lnok-text-muted);
            padding-top: 16px;
            border-top: 1px dashed var(--lnok-border);
        }

        /* Feature Visualization Mixed Layout */
        .lnok-visual-block {
            padding: 96px 0;
        }

        .lnok-visual-row {
            display: flex;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }

        .lnok-visual-row:nth-child(even) {
            flex-direction: row-reverse;
        }

        .lnok-visual-text {
            flex: 1;
        }

        .lnok-visual-img {
            flex: 1.2;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
        }

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

        /* ROI Table Section */
        .lnok-roi-section {
            padding: 96px 0;
            background: #1a1a1a;
            color: var(--lnok-white);
        }

        .lnok-roi-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .lnok-roi-item {
            padding: 32px;
            border-left: 4px solid var(--lnok-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .lnok-roi-metric {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--lnok-primary);
            margin-bottom: 8px;
            display: block;
        }

        .lnok-roi-value {
            font-size: 1.25rem;
            font-weight: 600;
        }

        /* CTA Section */
        .lnok-cta {
            padding: 96px 0;
            text-align: center;
            background: linear-gradient(135deg, var(--lnok-primary) 0%, var(--lnok-primary-dark) 100%);
            color: var(--lnok-white);
        }

        .lnok-btn {
            display: inline-block;
            padding: 18px 48px;
            background: var(--lnok-white);
            color: var(--lnok-primary);
            text-decoration: none;
            font-weight: 700;
            border-radius: 50px;
            font-size: 1.2rem;
            transition: all 0.3s ease;
            margin-top: 32px;
        }

        .lnok-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }

        /* Footer */
        .lnok-footer {
            padding: 64px 0 32px;
            background: var(--lnok-bg-light);
            border-top: 1px solid var(--lnok-border);
        }

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

        .lnok-footer-brand {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--lnok-primary);
            margin-bottom: 16px;
        }

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

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

        .lnok-footer-links a {
            text-decoration: none;
            color: var(--lnok-text-muted);
            transition: color 0.3s;
        }

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

        .lnok-copyright {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid var(--lnok-border);
            color: var(--lnok-text-muted);
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .lnok-visual-row {
                flex-direction: column !important;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .lnok-header-inner {
                justify-content: center;
                gap: 16px;
            }
            .lnok-nav {
                justify-content: center;
                font-size: 13px;
            }
            .lnok-hero {
                padding: 48px 0;
                text-align: center;
            }
            .lnok-hero-content {
                padding-right: 0;
            }
        }