/*
*组件样式
*组件样式
*组件样式
*组件样式
*组件样式
*/
.banner .slick-prev {
  left: 35px;
  opacity: 0.5;
  z-index: 100;
  top: 50%;
  opacity: 1;
  width: 50px;
  height: 94px;
  background: url(images/ban-left.png) center no-repeat;
  transform: translateY(-50%);}

.banner .slick-next {
  right: 35px;
  opacity: 0.5;
  top: 50%;
  opacity: 1;
  width: 50px;
  height: 94px;
  background: url(images/ban-right.png) center no-repeat;
  transform: translateY(-50%);}
.tt{position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;}
.bg_img {
width:140px;
        position: relative;
        overflow: hidden;
        height:90px;}

.bg_img .a {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background-position: 50%;
        background-repeat: no-repeat;
        background-size: cover;}
.tt{position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;}
.tt{position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;}