.dttp{display: block;}
.dttp div{
height: 0;
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-color: transparent;
    background-size: cover;
    padding-top: 66%;}
.xsfcqh {
    position: relative;}
.xsfcqh .slick-track{
    margin: inherit;}

.xsfcqh button.slick-prev {
    position: absolute;
    background: url(/tyywlxy/images/prev.png);
    top: calc(50% - 27px);
    left: 13px;
    z-index: 999;
    border: none;
    font-size: 0;
    width: 35px;
    height: 54px;}
.xsfcqh button.slick-next {
    position: absolute;
    background: url(/tyywlxy/images/next.png);
    top: calc(50% - 27px);
    right: 13px;
    z-index: 999;
    border: none;
    font-size: 0;
    width: 35px;
    height: 54px;}