body{margin:0;background:#0b252c;color:#eff7f8;font:16px system-ui,sans-serif}header{display:flex;align-items:center;gap:24px;padding:24px;background:#12343d}header img{width:180px;height:auto}header strong{border-left:1px solid #54777d;padding-left:24px;font-size:24px}main{max-width:980px;margin:40px auto;padding:0 24px}a{color:#57ced1}li{padding:12px 0;border-bottom:1px solid #31515a}button{padding:12px 24px;border:0;border-radius:6px;font:inherit;background:#31bdc1;color:#092c33}@media(max-width:480px){header{gap:12px;padding:18px}header img{width:130px}header strong{font-size:18px;padding-left:12px}}