:root {
            --kmnh1y-primary: #ff5c00;
            --kmnh1y-primary-light: #ff8533;
            --kmnh1y-secondary: #333333;
            --kmnh1y-bg-light: #fdfdfd;
            --kmnh1y-bg-alt: #f4f7f9;
            --kmnh1y-text-main: #2c3e50;
            --kmnh1y-text-muted: #666666;
            --kmnh1y-white: #ffffff;
            --kmnh1y-shadow: 0 10px 30px rgba(0,0,0,0.05);
            --kmnh1y-radius: 16px;
            --kmnh1y-max-width: 1100px;
        }

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--kmnh1y-text-main);
            background-color: var(--kmnh1y-bg-light);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* Navigation */
        .kmnh1y-navbar {
            position: fixed;
            top: 0;
            width: 100%;
            height: 72px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .kmnh1y-nav-container {
            max-width: var(--kmnh1y-max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .kmnh1y-logo {
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }

        .kmnh1y-logo img {
            height: 32px;
            width: auto;
        }

        .kmnh1y-nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            min-width: 0;
        }

        .kmnh1y-nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--kmnh1y-secondary);
            padding: 8px 0;
            border-bottom: 2px solid transparent;
        }

        .kmnh1y-nav-links a:hover {
            color: var(--kmnh1y-primary);
            border-bottom-color: var(--kmnh1y-primary);
        }

        /* Hero Section - Unique Card Style */
        .kmnh1y-hero {
            padding: 160px 24px 80px;
            background: radial-gradient(circle at top right, #fff5f0, #ffffff);
            text-align: center;
            position: relative;
        }

        .kmnh1y-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .kmnh1y-hero-badge {
            display: inline-block;
            background: rgba(255, 92, 0, 0.1);
            color: var(--kmnh1y-primary);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .kmnh1y-hero h1 {
            font-size: clamp(2rem, 4vw + 1rem, 3.5rem);
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #333 0%, #ff5c00 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            word-break: break-word;
        }

        .kmnh1y-hero p {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--kmnh1y-text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Comparison Section */
        .kmnh1y-section-comparison {
            padding: 80px 24px;
            background: var(--kmnh1y-white);
        }

        .kmnh1y-comp-grid {
            max-width: var(--kmnh1y-max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .kmnh1y-comp-card {
            background: var(--kmnh1y-bg-alt);
            padding: 40px;
            border-radius: var(--kmnh1y-radius);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            min-width: 0;
        }

        .kmnh1y-comp-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--kmnh1y-shadow);
        }

        .kmnh1y-comp-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--kmnh1y-primary);
        }

        .kmnh1y-comp-list {
            list-style: none;
        }

        .kmnh1y-comp-list li {
            margin-bottom: 12px;
            padding-left: 24px;
            position: relative;
            font-size: 16px;
        }

        .kmnh1y-comp-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--kmnh1y-primary);
            font-weight: bold;
        }

        /* Download Hub */
        .kmnh1y-download-section {
            padding: 80px 24px;
            background: var(--kmnh1y-bg-alt);
        }

        .kmnh1y-section-title {
            text-align: center;
            margin-bottom: 56px;
        }

        .kmnh1y-section-title h2 {
            font-size: 32px;
            margin-bottom: 16px;
        }

        .kmnh1y-hub-grid {
            max-width: var(--kmnh1y-max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .kmnh1y-hub-card {
            background: var(--kmnh1y-white);
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: var(--kmnh1y-radius);
            padding: 32px;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .kmnh1y-hub-platform {
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            color: var(--kmnh1y-primary);
            margin-bottom: 8px;
        }

        .kmnh1y-hub-version {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .kmnh1y-hub-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }

        .kmnh1y-tag {
            background: #f0f0f0;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            color: var(--kmnh1y-text-muted);
        }

        .kmnh1y-hub-features {
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .kmnh1y-hub-features div {
            font-size: 14px;
            margin-bottom: 8px;
            color: var(--kmnh1y-text-muted);
        }

        .kmnh1y-download-btn {
            background: var(--kmnh1y-primary);
            color: white;
            text-align: center;
            padding: 14px;
            border-radius: 8px;
            font-weight: 600;
            display: block;
        }

        .kmnh1y-download-btn:hover {
            background: var(--kmnh1y-primary-light);
            box-shadow: 0 4px 12px rgba(255, 92, 0, 0.3);
        }

        .kmnh1y-hub-meta {
            margin-top: 16px;
            font-size: 12px;
            color: #999;
            text-align: center;
        }

        /* FAQ Section */
        .kmnh1y-faq-section {
            padding: 80px 24px;
            max-width: 900px;
            margin: 0 auto;
        }

        .kmnh1y-faq-item {
            background: var(--kmnh1y-white);
            border-bottom: 1px solid #eee;
            padding: 24px 0;
        }

        .kmnh1y-faq-q {
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--kmnh1y-secondary);
            display: flex;
            align-items: flex-start;
        }

        .kmnh1y-faq-q::before {
            content: "Q:";
            margin-right: 12px;
            color: var(--kmnh1y-primary);
        }

        .kmnh1y-faq-a {
            font-size: 16px;
            color: var(--kmnh1y-text-muted);
            padding-left: 32px;
            line-height: 1.8;
        }

        /* Footer */
        .kmnh1y-footer {
            background: var(--kmnh1y-secondary);
            color: var(--kmnh1y-white);
            padding: 64px 24px 32px;
        }

        .kmnh1y-footer-content {
            max-width: var(--kmnh1y-max-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .kmnh1y-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .kmnh1y-footer-brand h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--kmnh1y-primary);
        }

        .kmnh1y-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            flex: 2;
        }

        .kmnh1y-footer-col h4 {
            margin-bottom: 20px;
            font-size: 16px;
            color: #ccc;
        }

        .kmnh1y-footer-col ul {
            list-style: none;
        }

        .kmnh1y-footer-col ul li {
            margin-bottom: 10px;
        }

        .kmnh1y-footer-col ul a {
            color: #888;
            font-size: 14px;
        }

        .kmnh1y-footer-col ul a:hover {
            color: var(--kmnh1y-primary);
        }

        .kmnh1y-copyright {
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 13px;
            color: #666;
            width: 100%;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .kmnh1y-nav-links {
                display: none; /* Mobile menu logic would go here */
            }
            .kmnh1y-hero {
                padding: 120px 24px 60px;
            }
            .kmnh1y-hub-grid, .kmnh1y-comp-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Dynamic Section Tag */
        [data-dynamic-content="latest-articles"] {
            position: relative;
        }