:root{font-family:Arial,sans-serif;color:#123b57;background:#f2f7fb;font-size:16px;line-height:1.7}body{margin:0}main{max-width:860px;margin:35px auto;padding:35px;background:#fff;border:1px solid #d8e6ef;border-radius:20px}header{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}h1{font-size:clamp(27px,5vw,40px);line-height:1.15;margin:26px 0 12px}h2{font-size:21px;line-height:1.35;margin-top:30px;color:#075b85}p{color:#3b5f76}a{color:#087daf;overflow-wrap:anywhere}nav a{display:inline-block;margin-right:14px}small{color:#6b8495}.brand{font-weight:800;color:#083951;text-decoration:none}.box{border:1px solid #cee4ee;border-radius:12px;background:#f0f8fc;padding:20px}button{border:0;border-radius:10px;padding:14px 20px;background:#087daf;color:#fff;font-weight:700;cursor:pointer}label{display:block;margin:16px 0 7px;font-weight:700}select,input,textarea{box-sizing:border-box;width:100%;padding:12px;border:1px solid #c5dce8;border-radius:8px;font:inherit}textarea{min-height:120px}footer{margin-top:36px;padding-top:22px;border-top:1px solid #dce8ef;font-size:14px}@media(max-width:600px){main{margin:0;padding:24px 18px;border-radius:0;border:0}h1{margin-top:30px}}