html,body{min-height:100vh;background-color:#0f172a}#app{min-height:100vh}:root{--primary: #4ECDC4;--primary-dark: #3BA99C;--bg-dark: #0F172A;--bg-surface: #1E293B;--bg-card: #334155;--text-primary: #F1F5F9;--text-secondary: #94A3B8;--text-muted: #64748B;--accent: #4ECDC4;--border: #475569}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-dark);color:var(--text-primary);line-height:1.6}.app{min-height:100vh;display:flex;flex-direction:column}.container{max-width:1200px;margin:0 auto;padding:0 24px}.header{position:fixed;top:0;left:0;right:0;background:#0f172af2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:100}.header .container{display:flex;justify-content:space-between;align-items:center;height:72px}.logo{display:flex;align-items:center;gap:12px}.logo-img{width:44px;height:44px;border-radius:10px;object-fit:contain}.logo-img.small{width:32px;height:32px}.logo-text{font-weight:600;font-size:18px}.nav{display:flex;gap:32px}.nav a{color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}.nav a:hover{color:var(--primary)}.hero{padding:160px 0 80px;text-align:center;background:linear-gradient(180deg,var(--bg-surface) 0%,var(--bg-dark) 100%)}.hero h1{font-size:48px;font-weight:700;margin-bottom:16px;background:linear-gradient(135deg,var(--text-primary),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero .subtitle{font-size:18px;color:var(--text-secondary);max-width:600px;margin:0 auto 24px}.hero .last-updated{font-size:14px;color:var(--text-muted);padding:8px 16px;background:var(--bg-card);border-radius:20px;display:inline-block}.content{padding:60px 24px 100px}.section{margin-bottom:80px;padding:40px;background:var(--bg-surface);border-radius:16px;border:1px solid var(--border);position:relative}.section-icon{position:absolute;top:-20px;left:40px;width:48px;height:48px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:12px;display:flex;align-items:center;justify-content:center}.section-icon svg{width:24px;height:24px;color:var(--bg-dark)}.section h2{font-size:28px;font-weight:600;margin-bottom:20px;padding-top:16px;color:var(--text-primary)}.section p{color:var(--text-secondary);margin-bottom:16px;font-size:16px}.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:24px}.info-card{background:var(--bg-card);padding:24px;border-radius:12px;border:1px solid var(--border)}.info-card h3{font-size:18px;font-weight:600;margin-bottom:16px;color:var(--text-primary)}.info-card ul{list-style:none}.info-card li{color:var(--text-secondary);padding:8px 0 8px 24px;position:relative}.info-card li:before{content:"•";position:absolute;left:0;color:var(--primary);font-size:20px}.usage-list{margin-top:24px}.usage-item{display:flex;gap:24px;padding:24px;background:var(--bg-card);border-radius:12px;margin-bottom:16px;border:1px solid var(--border);transition:transform .2s,border-color .2s}.usage-item:hover{transform:translate(8px);border-color:var(--primary)}.usage-number{font-size:32px;font-weight:700;color:var(--primary);opacity:.5;min-width:60px}.usage-item h4{font-size:18px;font-weight:600;margin-bottom:8px;color:var(--text-primary)}.usage-item p{margin:0;font-size:14px}.security-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:24px}.security-item{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--bg-card);border-radius:10px;border:1px solid var(--border)}.check-icon{width:28px;height:28px;background:#4ecdc426;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary);font-weight:600}.security-item span{color:var(--text-secondary);font-size:14px}.contact-section{text-align:center}.contact-info{margin-top:32px}.contact-link{display:inline-flex;flex-direction:column;align-items:center;padding:24px 48px;background:var(--bg-card);border-radius:12px;border:1px solid var(--border);text-decoration:none;transition:all .2s}.contact-link:hover{border-color:var(--primary);transform:translateY(-4px)}.contact-label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}.contact-value{font-size:18px;color:var(--primary);font-weight:500}.footer{margin-top:auto;background:var(--bg-surface);border-top:1px solid var(--border);padding:32px 0}.footer-content{display:flex;justify-content:space-between;align-items:center}.footer-brand{display:flex;align-items:center;gap:12px;font-weight:500}.footer p{color:var(--text-muted);font-size:14px}@media(max-width:768px){.nav{display:none}.hero h1{font-size:32px}.hero .subtitle{font-size:16px}.section{padding:32px 24px}.section h2{font-size:24px}.footer-content{flex-direction:column;gap:16px;text-align:center}}