.c_select {
    width: 100%;
    height: 100%;
    padding: 2px 10px;
    box-sizing: border-box;
    text-align: center;
    position: relative;
    cursor: pointer;
}
.c_select_list {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    z-index: 99;
    height: 0px;
    overflow: hidden;
}
.c_select_list .c_select_list_box {
    background-color: #fff;
    color: #000;
    border-radius: 10px;
    margin-top: 4px;
    height: auto;
    max-height: 200px;
    /* 隐藏滚动条 */
    scrollbar-width: none;
    -ms-overflow-style: none;
    overflow-y: scroll;
    box-sizing: border-box;
}
.c_select_item {
    padding: 5px 0;
}
.c_select_item:hover {
    background-color: #108cda;
    color: #fff;
}