:root {
            --hhx9et-primary: #1880c4;
            --hhx9et-primary-dark: #0d5a8c;
            --hhx9et-accent: #00d4ff;
            --hhx9et-bg-light: #f8fafc;
            --hhx9et-text-main: #1e293b;
            --hhx9et-text-muted: #64748b;
            --hhx9et-white: #ffffff;
            --hhx9et-glass: rgba(255, 255, 255, 0.8);
            --hhx9et-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --hhx9et-radius: 16px;
            --hhx9et-container-width: 1100px;
        }

        * {
            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-light);
            color: var(--hhx9et-text-main);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Navigation */
        .hhx9et-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--hhx9et-glass);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            padding: 0 24px;
            transition: all 0.3s ease;
        }

        .hhx9et-nav-container {
            max-width: var(--hhx9et-container-width);
            margin: 0 auto;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .hhx9et-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .hhx9et-logo img {
            height: 40px;
            width: auto;
            object-fit: contain;
        }

        .hhx9et-nav-links {
            display: flex;
            list-style: none;
            gap: 16px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .hhx9et-nav-links a {
            text-decoration: none;
            color: var(--hhx9et-text-main);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

        .hhx9et-nav-links a:hover {
            color: var(--hhx9et-primary);
            background: rgba(24, 128, 196, 0.05);
        }

        .hhx9et-nav-links a.active {
            color: var(--hhx9et-primary);
            background: rgba(24, 128, 196, 0.1);
        }

        /* Hero Section */
        .hhx9et-hero {
            padding: 160px 24px 80px;
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            color: var(--hhx9et-white);
            position: relative;
            overflow: hidden;
            clip-path: polygon(0 0, 100% 0, 100% 85%, 0% 100%);
        }

        .hhx9et-hero-content {
            max-width: var(--hhx9et-container-width);
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .hhx9et-hero h1 {
            font-size: clamp(2rem, 5vw + 1rem, 4rem);
            line-height: 1.1;
            margin-bottom: 24px;
            font-weight: 800;
            letter-spacing: -0.02em;
        }

        .hhx9et-hero p {
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            max-width: 700px;
            margin: 0 auto 48px;
            opacity: 0.9;
        }

        /* Main Content Grid */
        .hhx9et-main {
            max-width: var(--hhx9et-container-width);
            margin: -40px auto 80px;
            padding: 0 24px;
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 32px;
        }

        .hhx9et-content-area {
            grid-column: span 8;
            min-width: 0;
        }

        .hhx9et-sidebar {
            grid-column: span 4;
            min-width: 0;
        }

        /* Tutorial Card */
        .hhx9et-step-card {
            background: var(--hhx9et-white);
            border-radius: var(--hhx9et-radius);
            padding: 48px;
            margin-bottom: 32px;
            box-shadow: var(--hhx9et-shadow);
            border: 1px solid rgba(0, 0, 0, 0.03);
            transition: transform 0.3s ease;
        }

        .hhx9et-step-card:hover {
            transform: translateY(-5px);
        }

        .hhx9et-step-num {
            display: inline-block;
            background: var(--hhx9et-primary);
            color: var(--hhx9et-white);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            font-weight: 700;
            margin-bottom: 24px;
        }

        .hhx9et-step-card h2 {
            font-size: 1.75rem;
            margin-bottom: 20px;
            color: var(--hhx9et-primary-dark);
        }

        .hhx9et-step-card p {
            margin-bottom: 20px;
            color: var(--hhx9et-text-muted);
        }

        /* Code Block Style */
        .hhx9et-terminal {
            background: #0f172a;
            color: #38bdf8;
            padding: 24px;
            border-radius: 12px;
            font-family: 'Fira Code', monospace;
            font-size: 0.9rem;
            margin: 24px 0;
            overflow-x: auto;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        /* Sidebar Widgets */
        .hhx9et-widget {
            background: var(--hhx9et-white);
            border-radius: var(--hhx9et-radius);
            padding: 32px;
            margin-bottom: 32px;
            box-shadow: var(--hhx9et-shadow);
        }

        .hhx9et-widget h3 {
            font-size: 1.25rem;
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--hhx9et-bg-light);
        }

        .hhx9et-config-list {
            list-style: none;
        }

        .hhx9et-config-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px dashed #e2e8f0;
            font-size: 0.9rem;
        }

        .hhx9et-config-item span:first-child {
            font-weight: 600;
            color: var(--hhx9et-text-muted);
        }

        /* Call to Action */
        .hhx9et-cta {
            text-align: center;
            padding: 80px 24px;
            background: var(--hhx9et-primary);
            border-radius: var(--hhx9et-radius);
            color: var(--hhx9et-white);
            margin: 64px auto;
            max-width: var(--hhx9et-container-width);
        }

        .hhx9et-btn {
            display: inline-block;
            padding: 16px 40px;
            background: var(--hhx9et-white);
            color: var(--hhx9et-primary);
            text-decoration: none;
            font-weight: 700;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        .hhx9et-btn:hover {
            transform: scale(1.05);
            background: #f0f9ff;
        }

        /* Footer */
        .hhx9et-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 80px 24px 40px;
            margin-top: 80px;
        }

        .hhx9et-footer-grid {
            max-width: var(--hhx9et-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

        .hhx9et-footer-brand {
            flex: 1;
            min-width: 280px;
        }

        .hhx9et-footer-brand h4 {
            color: var(--hhx9et-white);
            font-size: 1.5rem;
            margin-bottom: 24px;
        }

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

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

        .hhx9et-footer-links h5 {
            color: var(--hhx9et-white);
            margin-bottom: 20px;
        }

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

        .hhx9et-footer-links a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .hhx9et-copyright {
            max-width: var(--hhx9et-container-width);
            margin: 64px auto 0;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hhx9et-content-area, .hhx9et-sidebar {
                grid-column: span 12;
            }
            .hhx9et-nav-container {
                height: auto;
                padding: 16px 0;
            }
            .hhx9et-nav-links {
                margin-top: 16px;
                justify-content: center;
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .hhx9et-hero {
                padding: 140px 24px 60px;
            }
            .hhx9et-step-card {
                padding: 32px;
            }
        }