:root {
            --ysa473-primary: #FF7139;
            --ysa473-secondary: #0060DF;
            --ysa473-accent: #9059FF;
            --ysa473-dark: #0b0823;
            --ysa473-light: #f9f9fb;
            --ysa473-gray: #5b5b66;
            --ysa473-white: #ffffff;
            --ysa473-gap: 8px;
            --ysa473-container-width: 1100px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--ysa473-white);
            color: var(--ysa473-dark);
            line-height: 1.6;
            overflow-x: hidden;
            word-break: break-word;
        }

        /* Fluid Typography */
        h1 { font-size: clamp(2.5rem, 5vw + 1rem, 4rem); line-height: 1.1; font-weight: 800; white-space: normal; }
        h2 { font-size: clamp(1.8rem, 3vw + 1rem, 2.8rem); line-height: 1.2; font-weight: 700; white-space: normal; }
        h3 { font-size: clamp(1.2rem, 1.5vw + 0.5rem, 1.8rem); font-weight: 600; }
        p { font-size: clamp(1rem, 0.5vw + 0.8rem, 1.125rem); line-height: 1.8; word-break: keep-all; }

        /* Navigation */
        .ysa473-navbar {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(15px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: all 0.3s ease;
        }

        .ysa473-nav-container {
            max-width: var(--ysa473-container-width);
            margin: 0 auto;
            padding: 16px 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }

        .ysa473-logo {
            min-width: 0;
            flex: 0 0 auto;
        }

        .ysa473-logo img {
            height: 40px;
            display: block;
        }

        .ysa473-nav-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 12px;
            min-width: 0;
        }

        .ysa473-nav-item a {
            text-decoration: none;
            color: var(--ysa473-gray);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 8px;
            transition: all 0.2s ease;
        }

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

        .ysa473-nav-item.ysa473-active a {
            color: var(--ysa473-white);
            background: var(--ysa473-secondary);
        }

        /* Hero Section */
        .ysa473-hero {
            padding: 160px 24px 80px;
            background: radial-gradient(circle at 90% 10%, rgba(255, 113, 57, 0.08), transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(144, 89, 255, 0.08), transparent 40%);
            text-align: center;
            position: relative;
        }

        .ysa473-hero-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .ysa473-hero-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--ysa473-primary), var(--ysa473-accent));
            color: white;
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            box-shadow: 0 4px 15px rgba(255, 113, 57, 0.3);
        }

        .ysa473-hero-subtitle {
            margin: 24px auto 40px;
            color: var(--ysa473-gray);
            max-width: 700px;
        }

        /* Performance Dashboard Section */
        .ysa473-dashboard {
            padding: 64px 24px;
            max-width: var(--ysa473-container-width);
            margin: 0 auto;
        }

        .ysa473-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .ysa473-card {
            background: var(--ysa473-white);
            border: 1px solid rgba(0, 0, 0, 0.06);
            border-radius: 24px;
            padding: 40px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            position: relative;
            overflow: hidden;
            min-width: 0;
        }

        .ysa473-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border-color: var(--ysa473-secondary);
        }

        .ysa473-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--ysa473-secondary);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .ysa473-card:hover::before {
            opacity: 1;
        }

        .ysa473-card-icon {
            width: 56px;
            height: 56px;
            background: var(--ysa473-light);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 28px;
            color: var(--ysa473-secondary);
        }

        /* Visual Feature Section */
        .ysa473-split-section {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            padding: 96px 24px;
            max-width: var(--ysa473-container-width);
            margin: 0 auto;
            gap: 64px;
        }

        .ysa473-split-text {
            flex: 1 1 400px;
            min-width: 0;
        }

        .ysa473-split-visual {
            flex: 1 1 400px;
            min-width: 0;
            background: linear-gradient(135deg, #f0f4ff 0%, #fff0f5 100%);
            border-radius: 32px;
            padding: 48px;
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
            aspect-ratio: 16/10;
        }

        .ysa473-visual-box {
            width: 100%;
            height: 100%;
            border: 2px dashed rgba(0, 96, 223, 0.2);
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 24px;
            background: rgba(255, 255, 255, 0.6);
            backdrop-filter: blur(10px);
        }

        .ysa473-bar-container {
            margin: 12px 0;
            background: #eee;
            height: 12px;
            border-radius: 100px;
            overflow: hidden;
        }

        .ysa473-bar-fill {
            height: 100%;
            background: linear-gradient(to right, var(--ysa473-secondary), var(--ysa473-accent));
            width: 45%;
            border-radius: 100px;
        }

        /* Dynamic Content Section */
        .ysa473-news-section {
            background-color: var(--ysa473-light);
            padding: 96px 24px;
        }

        .ysa473-news-container {
            max-width: var(--ysa473-container-width);
            margin: 0 auto;
        }

        .ysa473-section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        /* Call to Action */
        .ysa473-cta {
            padding: 96px 24px;
            text-align: center;
            background: var(--ysa473-dark);
            color: var(--ysa473-white);
            margin: 64px 24px;
            border-radius: 40px;
            position: relative;
            overflow: hidden;
        }

        .ysa473-cta-btn {
            display: inline-block;
            padding: 18px 48px;
            background: var(--ysa473-primary);
            color: white;
            text-decoration: none;
            border-radius: 12px;
            font-weight: 700;
            font-size: 18px;
            margin-top: 32px;
            transition: all 0.3s ease;
            box-shadow: 0 10px 30px rgba(255, 113, 57, 0.4);
        }

        .ysa473-cta-btn:hover {
            transform: scale(1.05);
            background: #e65a2b;
        }

        /* Footer */
        .ysa473-footer {
            padding: 80px 24px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
            background: var(--ysa473-white);
        }

        .ysa473-footer-container {
            max-width: var(--ysa473-container-width);
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 48px;
        }

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

        .ysa473-footer-brand-name {
            font-size: 24px;
            font-weight: 800;
            color: var(--ysa473-dark);
            margin-bottom: 16px;
        }

        .ysa473-footer-links {
            flex: 2 1 500px;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            min-width: 0;
        }

        .ysa473-footer-col {
            flex: 1 1 150px;
            min-width: 0;
        }

        .ysa473-footer-col h4 {
            margin-bottom: 24px;
            font-size: 16px;
            color: var(--ysa473-dark);
        }

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

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

        .ysa473-footer-col ul li a {
            text-decoration: none;
            color: var(--ysa473-gray);
            font-size: 14px;
            transition: color 0.2s;
        }

        .ysa473-footer-col ul li a:hover {
            color: var(--ysa473-secondary);
        }

        .ysa473-copyright {
            width: 100%;
            margin-top: 64px;
            padding-top: 32px;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
            color: #999;
            font-size: 13px;
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .ysa473-nav-menu {
                display: none; /* In real site would be a hamburger */
            }
            .ysa473-split-section {
                flex-direction: column;
                text-align: center;
            }
            .ysa473-hero {
                padding: 120px 24px 60px;
            }
        }