:root {
            --su4j14-primary: #ff9d00;
            --su4j14-secondary: #0a1128;
            --su4j14-accent: #2e5bff;
            --su4j14-text: #333333;
            --su4j14-light: #f8f9fa;
            --su4j14-gray: #666666;
            --su4j14-white: #ffffff;
            --su4j14-gradient: linear-gradient(135deg, #ff9d00 0%, #ff6b00 100%);
            --su4j14-max-width: 1300px;
        }

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

        body {
            font-family: "Inter", "Microsoft YaHei", sans-serif;
            color: var(--su4j14-text);
            line-height: 1.6;
            background-color: var(--su4j14-white);
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Typography */
        h1, h2, h3, h4 {
            line-height: 1.2;
            margin-bottom: 24px;
            word-break: keep-all;
            overflow-wrap: break-word;
        }

        h1 { font-size: clamp(2rem, 5vw + 1rem, 4rem); font-weight: 800; }
        h2 { font-size: clamp(1.5rem, 3vw + 1rem, 2.5rem); font-weight: 700; color: var(--su4j14-secondary); }
        h3 { font-size: clamp(1.2rem, 2vw + 0.5rem, 1.8rem); font-weight: 600; }
        p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.125rem); line-height: 1.8; margin-bottom: 16px; word-break: break-word; overflow-wrap: break-word; }

        /* Layout Helpers */
        .su4j14-container {
            max-width: var(--su4j14-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .su4j14-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

        .su4j14-flex > * {
            min-width: 0;
        }

        /* Navigation */
        .su4j14-nav-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .su4j14-nav-container {
            max-width: var(--su4j14-max-width);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 24px;
            flex-wrap: wrap;
        }

        .su4j14-logo img {
            height: 40px;
            width: auto;
        }

        .su4j14-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 20px;
        }

        .su4j14-menu a {
            text-decoration: none;
            color: var(--su4j14-secondary);
            font-weight: 500;
            font-size: 14px;
            transition: color 0.3s;
            padding: 8px 0;
            position: relative;
        }

        .su4j14-menu a:hover, .su4j14-menu a.active {
            color: var(--su4j14-primary);
        }

        .su4j14-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--su4j14-primary);
        }

        /* Hero Section */
        .su4j14-hero {
            padding: 160px 0 96px;
            background: radial-gradient(circle at 90% 10%, rgba(255, 157, 0, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(46, 91, 255, 0.05) 0%, transparent 40%);
        }

        .su4j14-hero-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 48px;
            align-items: center;
        }

        .su4j14-hero-content {
            z-index: 2;
        }

        .su4j14-hero-badge {
            display: inline-block;
            background: rgba(255, 157, 0, 0.1);
            color: var(--su4j14-primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: 700;
            margin-bottom: 24px;
            font-size: 14px;
        }

        .su4j14-hero-image {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 32px 64px rgba(0,0,0,0.1);
        }

        .su4j14-hero-image img {
            width: 100%;
            display: block;
            transition: transform 0.5s ease;
        }

        .su4j14-hero-image:hover img {
            transform: scale(1.03);
        }

        .su4j14-btn {
            display: inline-block;
            padding: 16px 32px;
            border-radius: 12px;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
            text-align: center;
        }

        .su4j14-btn-primary {
            background: var(--su4j14-gradient);
            color: white;
            box-shadow: 0 10px 20px rgba(255, 157, 0, 0.3);
        }

        .su4j14-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 157, 0, 0.4);
        }

        /* Technology Section */
        .su4j14-tech {
            padding: 96px 0;
            background-color: var(--su4j14-secondary);
            color: var(--su4j14-white);
            border-radius: 40px;
            margin: 0 24px;
        }

        .su4j14-tech-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 64px;
        }

        .su4j14-tech-header h2 { color: white; }

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

        .su4j14-tech-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s;
        }

        .su4j14-tech-card:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-10px);
        }

        .su4j14-tech-icon {
            font-size: 32px;
            color: var(--su4j14-primary);
            margin-bottom: 24px;
        }

        .su4j14-tech-card h3 { color: var(--su4j14-primary); }

        /* Workflow Section */
        .su4j14-workflow {
            padding: 96px 0;
        }

        .su4j14-split-layout {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 64px;
            align-items: center;
        }

        .su4j14-step-list {
            list-style: none;
        }

        .su4j14-step-item {
            display: flex;
            gap: 24px;
            margin-bottom: 40px;
            padding: 24px;
            border-radius: 16px;
            transition: background 0.3s;
        }

        .su4j14-step-item:hover {
            background: var(--su4j14-light);
        }

        .su4j14-step-num {
            font-size: 24px;
            font-weight: 900;
            color: var(--su4j14-primary);
            opacity: 0.5;
        }

        .su4j14-step-content h4 {
            font-size: 20px;
            margin-bottom: 8px;
            color: var(--su4j14-secondary);
        }

        .su4j14-img-wrapper {
            border-radius: 32px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .su4j14-img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Pricing Tiers */
        .su4j14-pricing {
            padding: 96px 0;
            background: var(--su4j14-light);
        }

        .su4j14-pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
        }

        .su4j14-price-card {
            background: white;
            padding: 48px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            display: flex;
            flex-direction: column;
            border: 2px solid transparent;
            transition: all 0.3s;
        }

        .su4j14-price-card.featured {
            border-color: var(--su4j14-primary);
            transform: scale(1.05);
            z-index: 5;
        }

        .su4j14-tier-name {
            font-weight: 800;
            font-size: 20px;
            margin-bottom: 8px;
        }

        .su4j14-tier-target {
            color: var(--su4j14-gray);
            font-size: 14px;
            margin-bottom: 32px;
        }

        .su4j14-feature-list {
            list-style: none;
            margin-bottom: 40px;
            flex-grow: 1;
        }

        .su4j14-feature-list li {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            font-size: 15px;
        }

        .su4j14-feature-list li::before {
            content: '✓';
            color: var(--su4j14-primary);
            margin-right: 10px;
            font-weight: bold;
        }

        /* Success Cases */
        .su4j14-success {
            padding: 96px 0;
        }

        .su4j14-success-banner {
            position: relative;
            border-radius: 40px;
            overflow: hidden;
            height: 500px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-align: center;
        }

        .su4j14-success-banner img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -1;
            filter: brightness(0.4);
        }

        .su4j14-success-content {
            max-width: 700px;
            padding: 40px;
        }

        /* Footer */
        .su4j14-footer {
            background: var(--su4j14-secondary);
            color: white;
            padding: 80px 0 40px;
        }

        .su4j14-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .su4j14-footer-brand h2 {
            color: white;
            font-size: 28px;
            margin-bottom: 16px;
        }

        .su4j14-footer-links h4 {
            color: var(--su4j14-primary);
            margin-bottom: 24px;
        }

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

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

        .su4j14-footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: color 0.3s;
        }

        .su4j14-footer-links a:hover {
            color: white;
        }

        .su4j14-footer-bottom {
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.1);
            text-align: center;
            font-size: 14px;
            color: rgba(255,255,255,0.5);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .su4j14-nav-container {
                flex-direction: column;
                gap: 16px;
            }
            .su4j14-menu {
                justify-content: center;
                gap: 12px;
            }
            .su4j14-hero {
                padding: 120px 0 64px;
                text-align: center;
            }
            .su4j14-price-card.featured {
                transform: scale(1);
            }
            .su4j14-tech {
                margin: 0;
                border-radius: 0;
            }
        }