:root {
            --su4j14-primary: #f48024;
            --su4j14-primary-dark: #e66e10;
            --su4j14-bg-dark: #0f172a;
            --su4j14-bg-card: #1e293b;
            --su4j14-text-light: #f8fafc;
            --su4j14-text-muted: #94a3b8;
            --su4j14-accent: #38bdf8;
            --su4j14-spacing-unit: 8px;
            --su4j14-container-max: 1100px;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--su4j14-bg-dark);
            color: var(--su4j14-text-light);
            line-height: 1.7;
            overflow-x: hidden;
            word-break: keep-all;
        }

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

        ul {
            list-style: none;
        }

        /* --- Navigation --- */
        .su4j14-navbar {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 1rem 0;
        }

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

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

        .su4j14-logo img {
            height: 32px;
            display: block;
        }

        .su4j14-nav-menu {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            min-width: 0;
        }

        .su4j14-nav-item {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--su4j14-text-muted);
        }

        .su4j14-nav-item:hover {
            color: var(--su4j14-primary);
        }

        .su4j14-nav-item.active {
            color: var(--su4j14-primary);
            border-bottom: 2px solid var(--su4j14-primary);
        }

        /* --- Hero Section --- */
        .su4j14-hero {
            padding: 160px 24px 80px;
            text-align: center;
            background: radial-gradient(circle at 50% 50%, rgba(244, 128, 36, 0.15) 0%, transparent 70%);
            position: relative;
        }

        .su4j14-hero-badge {
            display: inline-block;
            background: rgba(244, 128, 36, 0.2);
            color: var(--su4j14-primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            margin-bottom: 24px;
            border: 1px solid var(--su4j14-primary);
        }

        .su4j14-hero-title {
            font-size: clamp(2rem, 5vw + 1rem, 4rem);
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            word-break: keep-all;
            background: linear-gradient(to bottom, #ffffff, #94a3b8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .su4j14-hero-subtitle {
            max-width: 800px;
            margin: 0 auto 48px;
            font-size: clamp(1rem, 1.5vw + 0.5rem, 1.25rem);
            color: var(--su4j14-text-muted);
            word-break: break-word;
        }

        /* --- Section Common --- */
        .su4j14-section {
            padding: 96px 24px;
            max-width: var(--su4j14-container-max);
            margin: 0 auto;
        }

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

        .su4j14-section-title {
            font-size: clamp(1.5rem, 3vw + 0.5rem, 2.5rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .su4j14-tech-card {
            background: var(--su4j14-bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 40px;
            border-radius: 24px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .su4j14-tech-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            border-color: var(--su4j14-primary);
        }

        .su4j14-tech-icon-box {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--su4j14-primary), var(--su4j14-primary-dark));
            border-radius: 12px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .su4j14-tech-name {
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: var(--su4j14-primary);
        }

        .su4j14-tech-desc {
            color: var(--su4j14-text-muted);
            margin-bottom: 24px;
            font-size: 0.95rem;
            flex-grow: 1;
        }

        .su4j14-tech-benefit {
            background: rgba(255, 255, 255, 0.05);
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 0.85rem;
            color: var(--su4j14-accent);
            border-left: 3px solid var(--su4j14-accent);
        }

        /* --- Workflow (The Alchemy Of Recovery) --- */
        .su4j14-workflow {
            background: rgba(255, 255, 255, 0.02);
            border-radius: 40px;
            padding: 80px 48px;
            margin: 64px auto;
        }

        .su4j14-workflow-list {
            display: flex;
            flex-wrap: wrap;
            gap: 48px;
            justify-content: space-between;
        }

        .su4j14-workflow-item {
            flex: 1 1 280px;
            min-width: 0;
            position: relative;
        }

        .su4j14-step-number {
            font-size: 4rem;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.03);
            position: absolute;
            top: -20px;
            left: -10px;
            line-height: 1;
        }

        .su4j14-phase {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .su4j14-phase::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--su4j14-primary);
            border-radius: 50%;
        }

        .su4j14-action {
            color: var(--su4j14-text-muted);
            font-size: 1rem;
            word-break: break-word;
        }

        /* --- Access Tiers --- */
        .su4j14-tier-container {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }

        .su4j14-tier-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 40px;
            border-radius: 20px;
            flex: 1 1 320px;
            min-width: 0;
            text-align: left;
        }

        .su4j14-tier-card.featured {
            border: 2px solid var(--su4j14-primary);
            background: rgba(244, 128, 36, 0.05);
            transform: scale(1.05);
        }

        .su4j14-tier-name {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .su4j14-tier-target {
            color: var(--su4j14-primary);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 24px;
            display: block;
        }

        .su4j14-feature-list {
            margin-bottom: 32px;
        }

        .su4j14-feature-item {
            margin-bottom: 12px;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .su4j14-feature-item::before {
            content: '✓';
            color: var(--su4j14-primary);
            font-weight: bold;
        }

        /* --- CTA Section --- */
        .su4j14-cta {
            background: linear-gradient(135deg, var(--su4j14-primary) 0%, #ff5e00 100%);
            padding: 80px 48px;
            border-radius: 32px;
            text-align: center;
            margin-bottom: 96px;
        }

        .su4j14-cta-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 24px;
        }

        .su4j14-btn {
            display: inline-block;
            background: white;
            color: var(--su4j14-primary);
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }

        .su4j14-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.2);
        }

        /* --- Footer --- */
        .su4j14-footer {
            padding: 64px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
        }

        .su4j14-footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: white;
            margin-bottom: 16px;
        }

        .su4j14-footer-text {
            color: var(--su4j14-text-muted);
            font-size: 0.9rem;
        }

        /* --- Responsive --- */
        @media (max-width: 768px) {
            .su4j14-nav-container {
                flex-direction: column;
                gap: 16px;
            }
            .su4j14-nav-menu {
                justify-content: center;
                gap: 12px;
            }
            .su4j14-hero {
                padding-top: 200px;
            }
            .su4j14-tier-card.featured {
                transform: scale(1);
            }
            .su4j14-workflow {
                padding: 40px 24px;
            }
        }