:root {
            --hhx9et-primary: #1880C4;
            --hhx9et-primary-dark: #0D3D5E;
            --hhx9et-accent: #00D1FF;
            --hhx9et-bg: #f8fafc;
            --hhx9et-text: #1e293b;
            --hhx9et-text-light: #64748b;
            --hhx9et-white: #ffffff;
            --hhx9et-shadow: 0 10px 30px -10px rgba(0,0,0,0.1);
            --hhx9et-radius: 16px;
            --hhx9et-gap: 8px;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background-color: var(--hhx9et-bg);
            color: var(--hhx9et-text);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Layout Container */
        .hhx9et-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* Navigation */
        .hhx9et-header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .hhx9et-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            min-height: 70px;
        }

        .hhx9et-logo {
            min-width: 0;
            flex-shrink: 0;
        }

        .hhx9et-logo img {
            height: 40px;
            width: auto;
            display: block;
        }

        .hhx9et-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            list-style: none;
            min-width: 0;
        }

        .hhx9et-menu a {
            text-decoration: none;
            color: var(--hhx9et-text);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.3s;
            padding: 8px 4px;
            position: relative;
        }

        .hhx9et-menu a:hover {
            color: var(--hhx9et-primary);
        }

        .hhx9et-menu a.active {
            color: var(--hhx9et-primary);
        }

        .hhx9et-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--hhx9et-primary);
            border-radius: 2px;
        }

        /* Hero Section */
        .hhx9et-hero {
            padding-top: 160px;
            padding-bottom: 80px;
            background: radial-gradient(circle at top right, #e0f2fe, transparent),
                        radial-gradient(circle at bottom left, #f0f9ff, transparent);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hhx9et-hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(24, 128, 196, 0.1);
            color: var(--hhx9et-primary);
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hhx9et-hero h1 {
            font-size: clamp(2.5rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            margin-bottom: 24px;
            background: linear-gradient(135deg, var(--hhx9et-primary-dark), var(--hhx9et-primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .hhx9et-hero p {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.3rem);
            color: var(--hhx9et-text-light);
            max-width: 700px;
            margin: 0 auto 40px;
        }

        /* 3D Acceleration Core Content */
        .hhx9et-section {
            padding: 96px 0;
            background: var(--hhx9et-white);
        }

        .hhx9et-grid-2 {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            align-items: center;
        }

        .hhx9et-grid-item {
            flex: 1 1 400px;
            min-width: 0;
        }

        .hhx9et-feature-list {
            list-style: none;
            margin-top: 32px;
        }

        .hhx9et-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 20px;
            padding: 20px;
            background: var(--hhx9et-bg);
            border-radius: var(--hhx9et-radius);
            transition: transform 0.3s;
        }

        .hhx9et-feature-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--hhx9et-shadow);
        }

        .hhx9et-step-num {
            width: 32px;
            height: 32px;
            background: var(--hhx9et-primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: bold;
        }

        /* Industry Scenarios */
        .hhx9et-scenarios {
            background: var(--hhx9et-primary-dark);
            color: var(--hhx9et-white);
            padding: 96px 0;
            border-radius: 40px 40px 0 0;
        }

        .hhx9et-scenario-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .hhx9et-scenario-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 32px;
            border-radius: var(--hhx9et-radius);
            backdrop-filter: blur(10px);
        }

        .hhx9et-scenario-card h3 {
            color: var(--hhx9et-accent);
            margin-bottom: 16px;
            font-size: 1.5rem;
        }

        .hhx9et-scenario-card ul {
            list-style: none;
            margin-bottom: 20px;
        }

        .hhx9et-scenario-card li {
            font-size: 0.9rem;
            margin-bottom: 8px;
            opacity: 0.8;
            padding-left: 18px;
            position: relative;
        }

        .hhx9et-scenario-card li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--hhx9et-accent);
        }

        .hhx9et-config-box {
            background: rgba(0, 0, 0, 0.2);
            padding: 12px;
            border-radius: 8px;
            font-size: 0.85rem;
            border-left: 3px solid var(--hhx9et-accent);
        }

        /* Dynamic Section */
        .hhx9et-news-section {
            padding: 96px 0;
            background: #f1f5f9;
        }

        .hhx9et-section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .hhx9et-section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 16px;
        }

        /* CTA */
        .hhx9et-cta {
            padding: 80px 0;
            text-align: center;
            background: linear-gradient(135deg, var(--hhx9et-primary), var(--hhx9et-accent));
            color: white;
        }

        .hhx9et-btn {
            display: inline-block;
            padding: 16px 40px;
            background: white;
            color: var(--hhx9et-primary);
            text-decoration: none;
            border-radius: 100px;
            font-weight: 700;
            transition: all 0.3s;
            margin-top: 24px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }

        .hhx9et-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 15px 30px rgba(0,0,0,0.2);
        }

        /* Footer */
        .hhx9et-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 64px 0 32px;
        }

        .hhx9et-footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 48px;
        }

        .hhx9et-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .hhx9et-footer-brand h2 {
            color: white;
            margin-bottom: 16px;
        }

        .hhx9et-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
        }

        .hhx9et-footer-col h4 {
            color: white;
            margin-bottom: 20px;
        }

        .hhx9et-footer-col ul {
            list-style: none;
        }

        .hhx9et-footer-col li {
            margin-bottom: 12px;
        }

        .hhx9et-footer-col a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }

        .hhx9et-footer-col a:hover {
            color: var(--hhx9et-accent);
        }

        .hhx9et-copyright {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.05);
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hhx9et-menu {
                display: none; /* In real usage, implement a hamburger menu */
            }
            .hhx9et-grid-2 {
                flex-direction: column;
            }
            .hhx9et-hero h1 {
                font-size: 2.5rem;
            }
        }