:root {
            --su4j14-primary: #f39c12;
            --su4j14-secondary: #2c3e50;
            --su4j14-accent: #3498db;
            --su4j14-bg-light: #f8fafc;
            --su4j14-text-dark: #1a202c;
            --su4j14-text-gray: #4a5568;
            --su4j14-white: #ffffff;
            --su4j14-shadow: 0 10px 30px rgba(0,0,0,0.08);
            --su4j14-radius: 16px;
            --su4j14-max-w: 1140px;
        }

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

        body {
            font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--su4j14-bg-light);
            color: var(--su4j14-text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Navigation */
        .su4j14-nav-wrapper {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .su4j14-nav-container {
            max-width: var(--su4j14-max-w);
            margin: 0 auto;
            padding: 0 24px;
            height: 80px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }

        .su4j14-logo {
            flex-shrink: 0;
            min-width: 0;
        }

        .su4j14-logo img {
            height: 40px;
            display: block;
        }

        .su4j14-menu {
            display: flex;
            list-style: none;
            gap: 16px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .su4j14-menu li a {
            text-decoration: none;
            color: var(--su4j14-text-gray);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.25s ease;
        }

        .su4j14-menu li a:hover {
            color: var(--su4j14-primary);
            background: rgba(243, 156, 18, 0.05);
        }

        .su4j14-menu li a.su4j14-active {
            color: var(--su4j14-primary);
            background: rgba(243, 156, 18, 0.1);
        }

        /* Hero Section */
        .su4j14-hero {
            padding: 160px 24px 96px;
            text-align: center;
            background: radial-gradient(circle at top right, rgba(243, 156, 18, 0.05), transparent),
                        radial-gradient(circle at bottom left, rgba(52, 152, 219, 0.05), transparent);
        }

        .su4j14-hero-inner {
            max-width: 900px;
            margin: 0 auto;
        }

        .su4j14-hero h1 {
            font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
            line-height: 1.2;
            font-weight: 800;
            color: var(--su4j14-secondary);
            margin-bottom: 24px;
            letter-spacing: -0.02em;
        }

        .su4j14-hero p {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.35rem);
            color: var(--su4j14-text-gray);
            margin-bottom: 40px;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
            word-break: keep-all;
        }

        .su4j14-cta-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            min-width: 0;
        }

        .su4j14-btn {
            display: inline-block;
            padding: 16px 36px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
        }

        .su4j14-btn-primary {
            background: linear-gradient(135deg, var(--su4j14-primary), #e67e22);
            color: white;
            box-shadow: 0 10px 20px rgba(243, 156, 18, 0.2);
        }

        .su4j14-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(243, 156, 18, 0.3);
        }

        .su4j14-btn-outline {
            background: white;
            color: var(--su4j14-secondary);
            border: 2px solid #e2e8f0;
        }

        .su4j14-btn-outline:hover {
            border-color: var(--su4j14-primary);
            color: var(--su4j14-primary);
        }

        /* Tech Grid Section */
        .su4j14-tech-section {
            max-width: var(--su4j14-max-w);
            margin: 0 auto;
            padding: 96px 24px;
        }

        .su4j14-section-title {
            text-align: center;
            margin-bottom: 64px;
        }

        .su4j14-section-title h2 {
            font-size: 2.5rem;
            color: var(--su4j14-secondary);
            margin-bottom: 16px;
        }

        .su4j14-tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .su4j14-tech-card {
            background: var(--su4j14-white);
            padding: 40px;
            border-radius: var(--su4j14-radius);
            box-shadow: var(--su4j14-shadow);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0,0,0,0.02);
        }

        .su4j14-tech-card:hover {
            transform: translateY(-8px);
            border-color: rgba(243, 156, 18, 0.2);
        }

        .su4j14-tech-card h3 {
            font-size: 1.5rem;
            color: var(--su4j14-secondary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .su4j14-tech-card p {
            color: var(--su4j14-text-gray);
            font-size: 1rem;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .su4j14-tech-benefit {
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px dashed #edf2f7;
            color: var(--su4j14-primary);
            font-weight: 600;
        }

        /* Workflow Section */
        .su4j14-workflow-section {
            background: var(--su4j14-secondary);
            color: var(--su4j14-white);
            padding: 96px 24px;
        }

        .su4j14-workflow-container {
            max-width: var(--su4j14-max-w);
            margin: 0 auto;
        }

        .su4j14-workflow-steps {
            display: flex;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .su4j14-step-card {
            flex: 1;
            min-width: 280px;
            background: rgba(255,255,255,0.05);
            padding: 32px;
            border-radius: var(--su4j14-radius);
            position: relative;
            overflow: hidden;
        }

        .su4j14-step-number {
            font-size: 4rem;
            font-weight: 900;
            position: absolute;
            top: -10px;
            right: -10px;
            opacity: 0.1;
            color: var(--su4j14-primary);
        }

        .su4j14-step-card h4 {
            font-size: 1.4rem;
            margin-bottom: 12px;
            color: var(--su4j14-primary);
        }

        /* Tier Architecture */
        .su4j14-tier-section {
            max-width: var(--su4j14-max-w);
            margin: 0 auto;
            padding: 96px 24px;
        }

        .su4j14-tier-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .su4j14-tier-card {
            background: white;
            padding: 48px 32px;
            border-radius: var(--su4j14-radius);
            text-align: center;
            box-shadow: var(--su4j14-shadow);
            border: 2px solid transparent;
            transition: border-color 0.3s ease;
        }

        .su4j14-tier-card.su4j14-popular {
            border-color: var(--su4j14-primary);
            position: relative;
        }

        .su4j14-popular-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--su4j14-primary);
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            text-transform: uppercase;
            font-weight: bold;
        }

        .su4j14-tier-card h5 {
            font-size: 1.8rem;
            margin-bottom: 24px;
            color: var(--su4j14-secondary);
        }

        .su4j14-tier-features {
            list-style: none;
            margin-bottom: 32px;
            text-align: left;
        }

        .su4j14-tier-features li {
            padding: 12px 0;
            border-bottom: 1px solid #f1f5f9;
            color: var(--su4j14-text-gray);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
        }

        .su4j14-tier-features li::before {
            content: "✓";
            color: var(--su4j14-primary);
            margin-right: 12px;
            font-weight: bold;
        }

        /* Footer */
        .su4j14-footer {
            background: #1a202c;
            color: #a0aec0;
            padding: 80px 24px 40px;
        }

        .su4j14-footer-top {
            max-width: var(--su4j14-max-w);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 48px;
            margin-bottom: 64px;
        }

        .su4j14-footer-brand {
            max-width: 300px;
            min-width: 0;
        }

        .su4j14-footer-brand h2 {
            color: white;
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .su4j14-footer-links {
            display: flex;
            gap: 64px;
            flex-wrap: wrap;
        }

        .su4j14-footer-links-group h6 {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

        .su4j14-footer-links-group ul {
            list-style: none;
        }

        .su4j14-footer-links-group ul li {
            margin-bottom: 12px;
        }

        .su4j14-footer-links-group ul li a {
            color: #a0aec0;
            text-decoration: none;
            transition: color 0.2s;
        }

        .su4j14-footer-links-group ul li a:hover {
            color: var(--su4j14-primary);
        }

        .su4j14-footer-bottom {
            max-width: var(--su4j14-max-w);
            margin: 0 auto;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
            text-align: center;
            font-size: 0.9rem;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .su4j14-nav-container {
                height: auto;
                padding: 16px;
            }
            .su4j14-menu {
                margin-top: 16px;
                width: 100%;
                justify-content: center;
            }
            .su4j14-hero {
                padding: 120px 24px 64px;
            }
            .su4j14-tech-grid, .su4j14-tier-grid {
                grid-template-columns: 1fr;
            }
            .su4j14-workflow-steps {
                flex-direction: column;
            }
        }