*{box-sizing:border-box}html,body{margin:0;padding:0}body{color:#18202a;background:#f5f7fa;font-family:Arial,Helvetica,sans-serif;line-height:1.6}.page{justify-content:center;align-items:center;min-height:100vh;padding:48px 20px;display:flex}.card{background:#fff;border-radius:18px;width:100%;max-width:760px;padding:56px;box-shadow:0 12px 40px #00000012}.brand{letter-spacing:.18em;color:#4263eb;margin-bottom:28px;font-size:14px;font-weight:700}h1{letter-spacing:-.04em;max-width:620px;margin:0;font-size:clamp(38px,7vw,64px);line-height:1.05}.intro{color:#53606d;max-width:620px;margin-top:28px;font-size:20px}.divider{background:#e6e9ed;height:1px;margin:44px 0}section section{margin-top:36px}h2{margin-bottom:8px;font-size:18px}p{color:#53606d;margin-top:8px}a{color:#3155d9;text-decoration:none}a:hover{text-decoration:underline}footer{color:#89929c;border-top:1px solid #e6e9ed;margin-top:48px;padding-top:24px;font-size:14px}@media (max-width:600px){.page{padding:0}.card{min-height:100vh;box-shadow:none;border-radius:0;padding:40px 24px}}