:root{font-family:system-ui,-apple-system,sans-serif;color:#173c50;background:#f6f3e9}*{box-sizing:border-box}body{margin:0;padding:30px}main{max-width:700px;margin:auto;background:#fff;border-radius:24px;padding:30px;box-shadow:0 15px 40px #183c4a12}h1{font-size:1.7rem;margin:0 0 8px}.tag{color:#16818b;font-weight:800}.intro{line-height:1.7;color:#527079}.step{border-top:1px solid #e4eeeb;padding:18px 0}h2{font-size:1.1rem;margin:0 0 8px}.english{font-size:1.18rem;font-weight:800;margin:8px 0}.help{color:#5b7880;margin:4px 0}a{color:#147a84}button{border:0;border-radius:12px;background:#147a84;color:#fff;padding:10px 16px;font:inherit;font-weight:800;cursor:pointer}@media print{body{padding:0;background:#fff}main{box-shadow:none;padding:0}button,a{display:none}}