body{margin:0;font-family:Arial,sans-serif;background:#f7faf8;color:#121817;line-height:1.65}main{max-width:900px;margin:auto;padding:35px 20px}.brand{font-size:28px;font-weight:900;letter-spacing:.12em}.back{display:inline-block;margin:15px 0;color:#121817}article{background:#fff;border:1px solid #dfe8e3;border-radius:8px;padding:30px}h1{font-size:40px;letter-spacing:0}p,li{color:#5d6965}a{color:inherit}.warning{background:#eaf4ef;padding:14px;border-radius:8px}.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.contact-grid div{border:1px solid #dfe8e3;border-radius:8px;padding:16px}.contact-grid strong{display:block;color:#121817}@media(max-width:650px){h1{font-size:32px}.contact-grid{grid-template-columns:1fr}article{padding:22px}}