.tx-mains{background:#f9f9f9;}
.tx-downl-nav {padding: 50px 0;}
.tx-downl-nav li{ width: 25%;}
.tx-downl-nav li a{display: block;border-right: 1px solid #eaeaea;text-align: center;line-height: 98px;font-size: 18px;}
.tx-downl-nav li:last-child{border-right: 0;}
.tx-downl-nav li img{margin-right: 12px;position: relative;top:-2px;}
.tx-downl-nav li .img1{display: inline-block;}
.tx-downl-nav li .img2{display: none;}
.tx-downl-nav li.active a{background:#e60012;color:#fff;}
.tx-downl-nav li.active .img1{display: none;}
.tx-downl-nav li.active .img2{display: inline-block;}

.tx-downl li{position: relative; width:48.6%;margin-left: 2.8%;background:#fff;margin-bottom: 50px;cursor: pointer;}
.tx-downl li a{display:flex;}
.tx-downl li:nth-child(2n-1){margin-left: 0;}
.tx-downl li .img{position: absolute;top:-10px;left: 30px; display: flex;flex-direction: column; align-items: center;justify-content: center; width: 100px;height: 120px;background:#c0c0c0;}
.tx-downl li .img:before{content:'';position:absolute;right:-10px;top:0; width: 0;height: 0;border-bottom: 10px solid #939393;border-right: 10px solid transparent;}
.tx-downl li .img i{display: block;text-align: center;margin-top: -22px; font-size: 14px;line-height: 22px;width: 100%;padding: 0 6px;color: #c0c0c0;}
.tx-downl li h3{flex: 1;line-height: 150px;height: 150px;padding-left: 150px;font-size: 16px; overflow: hidden;text-overflow: ellipsis;white-space: nowrap;}
.tx-downl li h6{display: inline-block;width: 110px;text-align: center;line-height: 140px;}
.tx-downl li h6 i{font-size: 37px;transition: 0s;-webkit-transition: 0s;-ms-transition: 0s;color: #c0c0c0;}

@media screen and (min-width: 769px){

  .tx-downl-nav li:hover a{background:#e60012;color:#fff;}
  .tx-downl-nav li:hover .img1{display: none;}
  .tx-downl-nav li:hover .img2{display: inline-block;}

  .tx-downl li:hover{box-shadow: 0 16px 30px rgba(0, 0, 0, 0.06);}
  .tx-downl li:hover .img{background:#e60012;}
  .tx-downl li:hover .img:before{border-bottom: 10px solid #AB000D;}
  .tx-downl li:hover h6 i{color: #e60012;}
  .tx-downl li:hover .img i{color: #e60012;}

}

@media screen and (max-width: 1465px){

  .tx-downl-nav li a{font-size: 16px;line-height: 88px;}

}

@media screen and (max-width: 768px){

  .tx-downl-nav{padding: 15px 0 20px;}
  .tx-downl-nav li{width: 50%;}
  .tx-downl-nav li a{line-height: 50px;}
  .tx-downl-nav li img{width: 18px;margin-right: 5px;}
  .tx-downl-nav li a{font-size: 12px;}

  .tx-downl li{width: 100%;margin-left: 0;margin-bottom: 12px;}
  .tx-downl li .img{display: none;}
  .tx-downl li h3{padding-left: 20px;font-size: 14px;line-height: 58px;height: 58px;}
  .tx-downl li h6{line-height: 52px;width: 80px;}
  .tx-downl li h6 i{font-size: 25px;}

}