.local_select {
    display: inline-block;
    vertical-align: top;
    font-size: 16px;
    width: 8em;
    text-align: center;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: 1px solid #1db7b6;
}

.local_select .title_select {
    height: 1.5em;
    line-height: 1.5em;
}

.local_select .icon_select {
    float: right;
    transition: all .5s;
}

.local_select:hover .icon_select {
    transform: rotate(180deg);
}

.local_select .option_select {
    font-size: .8em;
    line-height: 2em;
    transition: height .5s;
    height: 0;
}

.local_select .option_select:hover,
.local_select .option_act_select {
    background: linear-gradient(90deg, #2effff, rgba(0, 0, 0, .2));
}

.local_select:hover .option_select {
    height: 2em;
}

.local_select:hover .title_select {
    border-bottom: 1px solid #1db7b6;
    margin-bottom: 3px;
}