.oo{max-width:620px;margin:28px auto;padding:0 16px}
.oocard{background:#fff;border:1px solid #dfe5ec;border-radius:14px;padding:26px;box-shadow:0 6px 24px rgba(13,27,42,.08);font-family:Segoe UI,Arial,sans-serif;color:#1b2533}
.oocard h1{margin:0 0 8px;font-size:24px;color:#0d1b2a}.oocard p{line-height:1.55}
.oolab{display:block;font-size:13px;font-weight:700;color:#5c6b7c;margin:16px 0 6px}
.oocard select{width:100%;padding:12px;border:1px solid #cfd7e1;border-radius:10px;font-size:15px;background:#fff}
.oobtns{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.oob{padding:14px 16px;border-radius:10px;border:1px solid #cfd7e1;background:#f6f8fa;font-size:15px;font-weight:700;cursor:pointer;color:#0d1b2a}
.oob.primary{background:#0d1b2a;color:#fff;border-color:#0d1b2a}.oob:disabled{opacity:.6}
.oonote{font-size:13px;color:#5c6b7c;margin-top:18px}