:root {
            --mpr9yq-primary: #A855F7;
            --mpr9yq-primary-dark: #7E22CE;
            --mpr9yq-bg: #FDFCFE;
            --mpr9yq-text: #1F2937;
            --mpr9yq-text-light: #6B7280;
            --mpr9yq-white: #FFFFFF;
            --mpr9yq-border: #E5E7EB;
            --mpr9yq-max-width: 1100px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--mpr9yq-bg);
            color: var(--mpr9yq-text);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Layout Helpers */
        .mpr9yq-container {
            max-width: var(--mpr9yq-max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .mpr9yq-flex {
            display: flex;
            flex-wrap: wrap;
        }

        /* Navigation */
        .mpr9yq-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 72px;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            z-index: 1000;
        }

        .mpr9yq-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            flex-wrap: nowrap;
        }

        .mpr9yq-logo {
            flex-shrink: 0;
            display: flex;
            align-items: center;
        }

        .mpr9yq-logo img {
            height: 32px;
            width: auto;
        }

        .mpr9yq-nav-links {
            display: flex;
            gap: 16px;
            list-style: none;
            overflow-x: auto;
            padding: 8px 0;
            scrollbar-width: none;
            flex-wrap: nowrap;
        }

        .mpr9yq-nav-links::-webkit-scrollbar {
            display: none;
        }

        .mpr9yq-nav-links li a {
            text-decoration: none;
            color: var(--mpr9yq-text-light);
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
            white-space: nowrap;
        }

        .mpr9yq-nav-links li a:hover,
        .mpr9yq-nav-links li a.mpr9yq-active {
            color: var(--mpr9yq-primary);
        }

        /* Hero Section */
        .mpr9yq-hero {
            padding-top: 140px;
            padding-bottom: 80px;
            text-align: center;
            background: radial-gradient(circle at top right, rgba(168, 85, 247, 0.05), transparent);
        }

        .mpr9yq-hero-title {
            font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #1F2937 0%, #A855F7 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .mpr9yq-hero-subtitle {
            font-size: clamp(1rem, 2vw + 0.5rem, 1.25rem);
            color: var(--mpr9yq-text-light);
            max-width: 700px;
            margin: 0 auto 48px;
        }

        .mpr9yq-download-box {
            background: var(--mpr9yq-white);
            border: 2px solid var(--mpr9yq-border);
            border-radius: 24px;
            padding: 40px;
            max-width: 800px;
            margin: 0 auto;
            box-shadow: 0 20px 40px rgba(0,0,0,0.03);
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            justify-content: center;
        }

        .mpr9yq-dl-info {
            flex: 1;
            min-width: 280px;
            text-align: left;
        }

        .mpr9yq-dl-tag {
            display: inline-block;
            background: rgba(168, 85, 247, 0.1);
            color: var(--mpr9yq-primary);
            padding: 4px 12px;
            border-radius: 99px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .mpr9yq-btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--mpr9yq-primary);
            color: white;
            padding: 16px 36px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: transform 0.2s, background 0.2s;
            box-shadow: 0 10px 20px rgba(168, 85, 247, 0.3);
        }

        .mpr9yq-btn-primary:hover {
            background: var(--mpr9yq-primary-dark);
            transform: translateY(-2px);
        }

        /* Architecture Matrix Grid */
        .mpr9yq-section {
            padding: 80px 0;
        }

        .mpr9yq-section-header {
            margin-bottom: 48px;
        }

        .mpr9yq-section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .mpr9yq-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .mpr9yq-matrix-card {
            background: var(--mpr9yq-white);
            border: 1px solid var(--mpr9yq-border);
            border-radius: 20px;
            padding: 32px;
            transition: all 0.3s ease;
        }

        .mpr9yq-matrix-card:hover {
            border-color: var(--mpr9yq-primary);
            box-shadow: 0 12px 24px rgba(0,0,0,0.05);
        }

        .mpr9yq-layer-label {
            font-size: 14px;
            color: var(--mpr9yq-primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 8px;
            display: block;
        }

        .mpr9yq-protocol-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 16px 0;
        }

        .mpr9yq-protocol-tag {
            background: #F3F4F6;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 13px;
            font-family: monospace;
        }

        /* Advanced Features List */
        .mpr9yq-feature-item {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
            margin-bottom: 64px;
        }

        .mpr9yq-feature-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .mpr9yq-feature-content {
            flex: 1;
            min-width: 300px;
        }

        .mpr9yq-feature-visual {
            flex: 1;
            min-width: 300px;
            background: #F9FAFB;
            border-radius: 24px;
            padding: 40px;
            border: 1px dashed var(--mpr9yq-border);
            text-align: center;
        }

        .mpr9yq-feature-title {
            font-size: 1.75rem;
            margin-bottom: 16px;
            color: var(--mpr9yq-text);
        }

        .mpr9yq-feature-desc {
            color: var(--mpr9yq-text-light);
            margin-bottom: 24px;
            font-size: 1.1rem;
        }

        .mpr9yq-value-prop {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            color: var(--mpr9yq-primary);
        }

        .mpr9yq-value-prop::before {
            content: "✓";
            display: flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: var(--mpr9yq-primary);
            color: white;
            border-radius: 50%;
            font-size: 12px;
        }

        /* Footer */
        .mpr9yq-footer {
            background: #111827;
            color: #9CA3AF;
            padding: 64px 0 32px;
        }

        .mpr9yq-footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 48px;
        }

        .mpr9yq-footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: white;
            margin-bottom: 16px;
        }

        .mpr9yq-footer-copy {
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 48px;
            padding-top: 32px;
            text-align: center;
            font-size: 14px;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .mpr9yq-nav-inner {
                flex-direction: column;
                height: auto;
                padding: 12px 0;
            }
            .mpr9yq-nav-links {
                width: 100%;
                justify-content: flex-start;
            }
            .mpr9yq-hero {
                padding-top: 160px;
            }
            .mpr9yq-download-box {
                padding: 24px;
            }
            .mpr9yq-feature-item {
                gap: 24px;
            }
        }