body{font-family:system-ui,Segoe UI,Arial,sans-serif;margin:0;background:#f4f5f7;color:#1d2330;line-height:1.5}
header{background:#1d2330;color:#fff;padding:12px 16px}
main{max-width:720px;margin:24px auto;padding:0 16px}
footer{max-width:720px;margin:0 auto 24px;padding:0 16px}
h1{font-size:24px;margin:0 0 12px}
.planos{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin:16px 0}
.plano{background:#fff;border:1px solid #d8dce3;border-radius:6px;padding:16px}
.plano h2{font-size:16px;margin:0 0 8px}
.preco{font-size:26px;font-weight:600;margin:0}
.nota{color:#555;font-size:14px}
label{display:block;margin:10px 0}
input{padding:8px;font-size:16px;max-width:100%}
button{padding:9px 14px;font-size:15px;cursor:pointer}
.aviso{padding:10px;border-radius:4px;background:#e8f0fe}
.aviso.erro{background:#fde8e8}
.aviso.ok{background:#e6f6ea}
header nav{display:inline-flex;gap:14px;align-items:center;margin-left:20px}
header a{color:#fff;text-decoration:none}
header a:hover{text-decoration:underline}
.linha{display:inline;margin:0}
button.link{background:none;border:0;color:#fff;padding:0;font-size:inherit;cursor:pointer;text-decoration:underline}
.bloco{background:#fff;border:1px solid #d8dce3;border-radius:6px;padding:12px 16px;margin:12px 0}
.bloco h2{font-size:17px;margin:0 0 8px}
.botao{display:inline-block;padding:9px 14px;background:#1d2330;color:#fff;border-radius:4px;text-decoration:none}
.botao.secundario{background:#fff;color:#1d2330;border:1px solid #1d2330}
.caixa{display:flex;gap:8px;align-items:flex-start}
.resumo li{margin:8px 0}
table{border-collapse:collapse;width:100%;background:#fff}
th,td{border:1px solid #d8dce3;padding:6px 8px;text-align:left;font-size:14px}
fieldset{border:1px solid #d8dce3;border-radius:4px;margin:10px 0}
code.hash{word-break:break-all}