body{margin:0;background:#f5f7fb;color:#172033;font:16px/1.65 system-ui,sans-serif}header,main,footer{max-width:900px;margin:auto}header{padding:28px 24px 12px}main{background:#fff;margin:12px auto 32px;padding:38px;border-radius:16px;box-shadow:0 6px 24px #19213a12}h1{margin:0 0 4px}h2{margin-top:30px}nav a,footer a{color:#075e54;margin-right:18px}small{color:#667085}footer{padding:0 24px 36px}.support-control{width:100%;padding:10px}.support-button{padding:11px 18px}@media(max-width:700px){main{margin:8px;padding:24px;border-radius:0}}