:root {
            --ysa473-primary: #0060DF;
            --ysa473-accent: #FF7139;
            --ysa473-dark: #20123A;
            --ysa473-light: #F9F9FB;
            --ysa473-text: #15141A;
            --ysa473-text-muted: #5B5B66;
            --ysa473-white: #FFFFFF;
            --ysa473-gradient: linear-gradient(135deg, #FF9400 0%, #FF2B6D 100%);
            --ysa473-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            --ysa473-radius: 16px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--ysa473-text);
            background-color: var(--ysa473-light);
            line-height: 1.8;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Layout Container */
        .ysa473-container {
            max-width: 90vw;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Navigation */
        .ysa473-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .ysa473-nav-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            height: 80px;
            max-width: 90vw;
            margin: 0 auto;
            padding: 0 24px;
        }

        .ysa473-logo {
            flex: 0 0 auto;
            min-width: 0;
            display: flex;
            align-items: center;
        }

        .ysa473-logo img {
            height: 40px;
            width: auto;
        }

        .ysa473-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 16px;
        }

        .ysa473-nav-item {
            min-width: 0;
        }

        .ysa473-nav-link {
            text-decoration: none;
            color: var(--ysa473-text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

        .ysa473-nav-link:hover {
            color: var(--ysa473-primary);
            background: rgba(0, 96, 223, 0.05);
        }

        .ysa473-nav-link.ysa473-active {
            color: var(--ysa473-primary);
            background: rgba(0, 96, 223, 0.1);
        }

        /* Hero Section */
        .ysa473-hero {
            padding: 160px 0 96px;
            background: radial-gradient(circle at 90% 10%, rgba(255, 113, 57, 0.1), transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(0, 96, 223, 0.1), transparent 40%);
        }

        .ysa473-hero-grid {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 48px;
        }

        .ysa473-hero-content {
            flex: 1 1 500px;
            min-width: 0;
        }

        .ysa473-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--ysa473-dark);
        }

        .ysa473-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.4rem);
            color: var(--ysa473-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .ysa473-hero-visual {
            flex: 1 1 400px;
            min-width: 0;
            display: flex;
            justify-content: center;
            position: relative;
        }

        .ysa473-privacy-shield {
            width: 100%;
            max-width: 500px;
            height: 400px;
            background: var(--ysa473-white);
            border-radius: var(--ysa473-radius);
            box-shadow: var(--ysa473-shadow);
            padding: 32px;
            border: 1px solid rgba(0, 0, 0, 0.05);
            transform: perspective(1000px) rotateY(-10deg);
            transition: transform 0.5s ease;
        }

        .ysa473-privacy-shield:hover {
            transform: perspective(1000px) rotateY(0deg);
        }

        /* Dashboard Mockup Components */
        .ysa473-mock-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 24px;
            border-bottom: 2px solid var(--ysa473-light);
            padding-bottom: 16px;
        }

        .ysa473-mock-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #FF5F56;
        }

        .ysa473-mock-line {
            height: 8px;
            background: var(--ysa473-light);
            border-radius: 4px;
            flex: 1;
        }

        /* Info Section */
        .ysa473-section {
            padding: 96px 0;
        }

        .ysa473-section-title {
            font-size: clamp(2rem, 3vw + 1rem, 3rem);
            margin-bottom: 48px;
            text-align: center;
            font-weight: 700;
        }

        .ysa473-grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .ysa473-card {
            background: var(--ysa473-white);
            padding: 40px;
            border-radius: var(--ysa473-radius);
            border: 1px solid rgba(0, 0, 0, 0.03);
            transition: all 0.3s ease;
            min-width: 0;
        }

        .ysa473-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--ysa473-shadow);
        }

        .ysa473-card-icon {
            width: 64px;
            height: 64px;
            background: var(--ysa473-light);
            border-radius: 12px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ysa473-primary);
        }

        .ysa473-card h3 {
            font-size: 1.5rem;
            margin-bottom: 16px;
            color: var(--ysa473-dark);
        }

        /* Feature Split Section */
        .ysa473-split-feature {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 64px;
            margin-bottom: 96px;
        }

        .ysa473-split-image {
            flex: 1 1 450px;
            min-width: 0;
            background: var(--ysa473-dark);
            border-radius: 24px;
            height: 400px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .ysa473-split-image::after {
            content: "";
            position: absolute;
            width: 150%;
            height: 150%;
            background: conic-gradient(from 180deg at 50% 50%, #FF7139 0deg, #0060DF 360deg);
            opacity: 0.2;
            animation: rotate 10s linear infinite;
        }

        @keyframes rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }

        .ysa473-split-text {
            flex: 1 1 450px;
            min-width: 0;
        }

        .ysa473-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(0, 96, 223, 0.1);
            color: var(--ysa473-primary);
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 16px;
        }

        /* Call to Action */
        .ysa473-cta {
            background: var(--ysa473-dark);
            color: var(--ysa473-white);
            border-radius: 32px;
            padding: 80px 48px;
            text-align: center;
            margin: 64px 24px;
        }

        .ysa473-btn {
            display: inline-block;
            padding: 18px 36px;
            background: var(--ysa473-primary);
            color: var(--ysa473-white);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .ysa473-btn:hover {
            background: #004fb9;
            transform: scale(1.05);
            box-shadow: 0 10px 20px rgba(0, 96, 223, 0.3);
        }

        .ysa473-btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.3);
            margin-left: 16px;
        }

        .ysa473-btn-outline:hover {
            border-color: var(--ysa473-white);
            background: rgba(255, 255, 255, 0.1);
        }

        /* Footer */
        .ysa473-footer {
            padding: 64px 0 32px;
            background: var(--ysa473-white);
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }

        .ysa473-footer-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
            margin-bottom: 48px;
        }

        .ysa473-footer-brand {
            flex: 1 1 300px;
            min-width: 0;
        }

        .ysa473-footer-logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ysa473-dark);
            margin-bottom: 16px;
        }

        .ysa473-footer-links {
            flex: 2 1 600px;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            justify-content: flex-end;
        }

        .ysa473-footer-col {
            min-width: 140px;
        }

        .ysa473-footer-col h4 {
            margin-bottom: 20px;
            font-size: 1rem;
            color: var(--ysa473-dark);
        }

        .ysa473-footer-col ul {
            list-style: none;
        }

        .ysa473-footer-col li {
            margin-bottom: 12px;
        }

        .ysa473-footer-col a {
            text-decoration: none;
            color: var(--ysa473-text-muted);
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .ysa473-footer-col a:hover {
            color: var(--ysa473-primary);
        }

        .ysa473-copyright {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid var(--ysa473-light);
            color: var(--ysa473-text-muted);
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .ysa473-nav-menu {
                display: none; /* In a real site, implement a mobile menu toggle */
            }
        }

        @media (max-width: 768px) {
            .ysa473-hero {
                padding-top: 120px;
                text-align: center;
            }
            .ysa473-hero-grid {
                flex-direction: column;
            }
            .ysa473-hero-visual {
                order: -1;
            }
            .ysa473-privacy-shield {
                transform: none;
            }
            .ysa473-split-feature {
                flex-direction: column;
            }
            .ysa473-footer-links {
                justify-content: flex-start;
            }
            .ysa473-btn-outline {
                margin-left: 0;
                margin-top: 12px;
                display: block;
            }
        }