.ai-pack-form{
    max-width:700px;margin:0 auto;font-family:sans-serif;line-height:1.6;padding:20px;background:#f9f9f9;border-radius:10px
}
.ai-pack-block{
    margin-bottom:30px;padding:15px;background:#fff;border-radius:8px;box-shadow:0 1px 3px rgba(0,0,0,.05)
}
.ai-pack-block legend{font-weight:700;margin-bottom:10px}
.ai-pack-block label{display:block;margin-bottom:6px}
.ai-pack-result{background:#eaffea;border-left:5px solid #4caf50;padding:15px;margin-bottom:20px;border-radius:4px}
.ai-pack-submit{
    display:block;width:100%;padding:12px;font-size:16px;background:#007cba;color:#fff;border:none;border-radius:6px;cursor:pointer;transition:background .3s
}
.ai-pack-submit:hover{background:#005f8d}