.pc-tool{
max-width:520px;
padding:24px;
border:2px solid #0a5cff;
background:#ffffff;
font-family:Arial,sans-serif
}
.pc-tool h3{color:#0a5cff}
.pc-tool label{display:block;margin-top:12px}
.pc-tool input,.pc-tool select{width:100%;padding:8px}
.pc-tool button{margin-top:16px;padding:12px;width:100%;background:#0a5cff;color:#fff;border:none}
.pc-result{margin-top:16px;font-weight:bold}
.pc-disclaimer{margin-top:14px;font-size:12px;color:#666}