.panel-step1 {
    position: absolute;
    top: 73%;
    left:50%;
    margin: -180px auto auto -180px;
    z-index: 2;
    padding: 0px;
}

.panel-step1 .choose {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}

.panel-step1 .choose-item {
    position: relative;
    width: 144px;
    height: 144px;
    margin: 0 20px;
    cursor: pointer;
    -webkit-transition: .3s;
    transition: .3s;
    text-align: center;
    text-decoration: none;
    color: #000;
    border-radius: 50%;
    background-color: #f8f8f8;
    background-repeat: no-repeat;
    background-position: 50%;
    font-size: 23px;
    line-height: 144px;
}

@media (max-width:600px) {
    .panel-step1 .choose-item {
        width: 115px;
        height: 115px;
        font-size: 18px;
        line-height: 115px;
    }
}

@media (max-width:320px) {
    .panel-step1 .choose-item {
        margin: 0 16px;
    }
}

.panel-step1 .choose-item.choose-item-fan {
    background-image: url("https://storage.googleapis.com/image.fbbuy.com.tw/store/cdn/images/auth/register/flag.png");
}

.panel-step1 .choose-item.choose-item-group {
    background-image: url("https://storage.googleapis.com/image.fbbuy.com.tw/store/cdn/images/auth/register/mans.png");
}

.panel-step1 .choose-item:before {
    content: " ";
    position: absolute;
    z-index: 1;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    height: 100%;
    opacity: 0;
    border-radius: 50%;
    background-color: hsla(0,0%,100%,.1);
}

.panel-step1 .choose-item:hover {
    color: #fff !important;
    background-color: #3f77eb;
}

    .panel-step1 .choose-item:hover:before {
        opacity: 1;
        background-color: rgba(63,119,235,.7);
    }

.panel-step1 .choose-item > span {
    position: relative;
    z-index: 2;
}

.panel-step1 .robot {
    position: relative;
    margin-top: auto;
}

    .panel-step1 .robot img {
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 200px;
        -webkit-transform: translateX(-50%);
        transform: translateX(-50%);
    }

    .panel-step1 .robot .robot-01, .panel-step1 .robot .robot-02 {
        display: none;
    }

    .panel-step1 .robot .robot-01.active, .panel-step1 .robot .robot-02.active {
            display: block;
     }