:root{--primary: #3178c6;--primary-dark: #235a97;--primary-light: #4b8dd6;--background: #ffffff;--surface: #f8f9fa;--text: #1a1a1a;--text-secondary: #5c5c5c;--border: #e1e4e8;--code-bg: #f6f8fa}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6;color:var(--text);background:var(--background)}.container{max-width:1200px;margin:0 auto;padding:0 24px}header{position:sticky;top:0;background:#fffffff2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:100}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{display:flex;align-items:center;gap:12px;font-size:1.5rem;font-weight:700;color:var(--primary);text-decoration:none}.logo-icon{width:40px;height:40px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700}nav{display:flex;align-items:center;gap:32px}nav a{color:var(--text);text-decoration:none;font-weight:500;transition:color .2s}nav a:hover{color:var(--primary)}.hero{padding:80px 0;background:linear-gradient(180deg,var(--surface) 0%,var(--background) 100%);text-align:center}.hero h1{font-size:3.5rem;font-weight:800;line-height:1.2;margin-bottom:24px;color:var(--text)}.hero h1 span{color:var(--primary)}.hero p{font-size:1.25rem;color:var(--text-secondary);max-width:700px;margin:0 auto 40px}.hero-cta{display:flex;gap:16px;justify-content:center}.btn{display:inline-flex;align-items:center;padding:14px 28px;border-radius:6px;font-size:1rem;font-weight:600;text-decoration:none;transition:all .2s;cursor:pointer;border:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:#fff;color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--surface)}section{padding:80px 0}.section-title{font-size:2.5rem;font-weight:700;text-align:center;margin-bottom:16px}.section-subtitle{font-size:1.125rem;color:var(--text-secondary);text-align:center;max-width:600px;margin:0 auto 60px}.bu-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}.bu-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:32px;transition:all .3s}.bu-card:hover{border-color:var(--primary);box-shadow:0 8px 30px #3178c61a;transform:translateY(-4px)}.bu-header{display:flex;align-items:center;gap:16px;margin-bottom:24px}.bu-icon{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem}.bu-icon.lab{background:linear-gradient(135deg,#667eea,#764ba2)}.bu-icon.ai{background:linear-gradient(135deg,#f093fb,#f5576c)}.bu-icon.enterprise{background:linear-gradient(135deg,#4facfe,#00f2fe)}.bu-icon.magic{background:linear-gradient(135deg,#43e97b,#38f9d7)}.bu-name{font-size:1.5rem;font-weight:700}.products-list{display:flex;flex-wrap:wrap;gap:12px}.product-tag{display:inline-flex;align-items:center;padding:8px 16px;background:var(--surface);border-radius:20px;font-size:.875rem;color:var(--text);border:1px solid var(--border);transition:all .2s}.product-tag a{color:inherit;text-decoration:none;display:inline-flex;align-items:center}.product-tag:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.features{background:var(--surface)}.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.feature-card{background:#fff;padding:32px;border-radius:12px;text-align:center}.feature-icon{width:64px;height:64px;margin:0 auto 20px;background:var(--primary);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.75rem}.feature-card h3{font-size:1.25rem;margin-bottom:12px}.feature-card p{color:var(--text-secondary);font-size:.9375rem}footer{background:var(--text);color:#fff;padding:60px 0;text-align:center}footer p{opacity:.7}.code-demo{background:var(--text);border-radius:12px;padding:40px;margin:40px auto;max-width:800px;text-align:left}.code-demo h3{color:#fff;margin-bottom:20px}.code-block{background:#0000004d;padding:24px;border-radius:8px;font-family:Fira Code,Consolas,monospace;font-size:.9375rem;line-height:1.7;overflow-x:auto}.code-block .keyword{color:#c586c0}.code-block .type{color:#4ec9b0}.code-block .string{color:#ce9178}.code-block .comment{color:#6a9955}@media (max-width: 768px){.hero h1{font-size:2.5rem}.bu-grid,.features-grid{grid-template-columns:1fr}nav{display:none}}