:root{color-scheme:light;--ink:#172033;--muted:#556070;--line:#d8dde6;--bg:#f7f8fb;--card:#fff;--accent:#1f4f8f}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink);line-height:1.55}.wrap{max-width:920px;margin:0 auto;padding:28px 18px 48px}header{border-bottom:1px solid var(--line);background:#fff}.brand{font-size:22px;font-weight:700;margin:0}.tag{color:var(--muted);margin:6px 0 0}nav{margin-top:18px;display:flex;gap:14px;flex-wrap:wrap}nav a,a{color:var(--accent)}main{margin-top:28px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:22px;margin:18px 0}h1{font-size:32px;margin:0 0 12px}h2{font-size:22px;margin:0 0 10px}label{display:block;font-weight:700;margin-top:14px}input[type=tel]{width:100%;max-width:420px;padding:12px;border:1px solid #aab3c2;border-radius:6px;font-size:16px}.consent{display:flex;gap:10px;align-items:flex-start;margin:16px 0}.consent input{margin-top:5px}button{background:#1f4f8f;color:#fff;border:0;border-radius:6px;padding:12px 18px;font-weight:700}.small,.muted{color:var(--muted);font-size:14px}footer{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:var(--muted);font-size:14px}ul{padding-left:22px}code{background:#eef2f7;padding:2px 5px;border-radius:4px}