/**about***/
.g-about{
    overflow: hidden;
}
.g-about .info{
    font-size: 16px;
    color:#333333;
    line-height: 2.25;
    margin-bottom: 58px;
}
.g-about .info p{
    text-indent: 2em;
    margin-bottom: 8px;
}
.ul-nub{
    overflow: hidden;
    margin-bottom: 75px;
}
.ul-nub li{
    width: 25%;
    float: left;
    text-align: center;
    font-size: 18px;
    color:#646464;
    border-right: #D2D2D2 1px solid;
}
.ul-nub li:last-child{
    border:none;
}
.ul-nub li .nub{
    font-size: 20px;
    color:#E60619;
    margin-bottom: 10px;
}
.ul-nub li .nub span{
    font-size: 50px;
    font-family: Impact;
    margin-right: 5px;
}
.ul-nub li .nub em{
   font-style: normal;
   position: relative;
   top: -20px;
}
.ul-list2{
    overflow: hidden;
}
.ul-list2 li{
    width: 25%;
    float: left;
}
.ul-list2 .pic{
    position: relative;
    height: 0;
    padding-top: 77%;
    overflow: hidden;
}
.ul-list2 .pic img{
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.ul-list2 .txt{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2;
    color:#fff;
    font-size: 14px;
    line-height: 1.71;
    padding: 64px 40px 0;
}
.ul-list2 .txt .tit{
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 10px;
}
.ul-list2 .line{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(230, 6, 25, .8);
    -webkit-transition: all .8s;
    -moz-transition: all .8s;
    -ms-transition: all .8s;
    transition: all .8s;
    opacity: 0;
}
.ul-list2 li:hover .line{
    opacity: 1;
}
.ul-list2 i{
    width: 60px;
    height: 60px;
    display: block;
    position: absolute;
    bottom: 30px;
    background: url(../images/ico-ab4.png) no-repeat center center;
    background-size: cover;
    right: -100px;
    -webkit-transition: all .8s;
    -moz-transition: all .8s;
    -ms-transition: all .8s;
    transition: all .8s;
}
.ul-list2 li:hover i{
    right: 33px;
}
@media only screen and (max-width: 1230px) { .ul-nub li .nub span{font-size: 40px;}
    .ul-nub li .nub{margin-bottom: 0px;}
    .ul-nub li{border-right: none;}
    .g-about .info{font-size: 14px;line-height: 1.8;}
    .ul-list2 .txt{padding: 15px;}
    .ul-list2 .txt .tit{font-size: 20px;}
    .ul-list2 .txt br{display: none;}
    .ul-list2 i{width: 30px;height: 30px;bottom:15px;}
}
@media only screen and (max-width: 1020px) {
    .g-about .info{margin-bottom: 20px;}
    .ul-nub{margin-bottom: 20px;}
}
@media only screen and (max-width: 767px) {.ul-nub li{width: 50%;}}
@media only screen and (max-width: 500px) {.ul-list2 .pic{padding-top: 100%;}
    .ul-nub li .nub span{font-size: 26px;}
    .ul-nub li .nub em{top: -10px;font-size: 14px;}
    .ul-nub li{margin-bottom: 5px;}}
/**about***/

/*为什么*/
.row4{
  overflow: hidden;
  background: url(../images/bg4.jpg) no-repeat;
  -webkit-background-size: cover;
  background-size: cover;
  padding: 70px 0 0;
  position: relative;
}
.row4::after{
  content:'';
  display: block;
  position: absolute;
  bottom: 159px;
  width: 100%;
  left: 0;
  height: 1px;
  background: #5e645c;
}
.row4 .g-tit{margin-bottom: 45px;}
.slidertab .swiper-slide{
  background-color: #fff;
}
.slidertab .pic{
  float: left;
  width: 50%;
  height: 488px;
  
   background-repeat: no-repeat;
   -webkit-background-size: cover;
  background-size: cover;
}
.slidertab .txt{
  overflow: hidden;
  padding: 32px 99px 0 50px;
  position: relative;
  height: 488px;
}
.slidertab .txt .tit{
  font-size: 36px;
  color:#282828;
  margin-bottom: 20px;
}
.slidertab .txt .tit span{
  font-weight: bold;
}
.slidertab .txt .line{
  width: 33px;
  height: 6px;
  background: #fdc236;
  margin-bottom: 23px;
}
.slidertab .txt .desc{
  font-size: 18px;
  color:#808080;
  margin-bottom: 23px;
}
.slidertab .txt .info{
  overflow: hidden; 
  margin-bottom: 16px;
}
.slidertab .txt .info p{
  font-size: 16px;
  color:#808080;
  float: left;
  width: 25%;
  padding-left: 22px;
  margin-bottom: 10px;
  background: url(../images/picxz5.jpg) no-repeat left center;
}
.slidertab .tel{
  display: block;
  width: 153px;
  height: 39px;
  border:2px solid #feb716;
  border-radius: 20px;
  text-align: center;
  line-height: 37px;
  color:#feb716;
  margin-bottom: 34px;
}
.slidertab .tel i{
  display: inline-block;
  vertical-align: middle;
  width: 17px;
  height: 18px;
  margin-right: 10px;
  background: url(../images/picxz4.jpg) no-repeat;
}
.slidertab .line2{
  height: 57px;
  background: #0a80d8;
  position: relative;
  z-index: 2;
  color:#fff;
  line-height: 57px;
  font-size: 28px;
font-family: Impact;
  padding-left: 20px;
}
.slidertab .txt .num{
  font-size: 150px;
  font-family:Impact;
  line-height: 150px;
  color:#EBEBEB;
  position: absolute;
  bottom: 76px;
  right: 105px;
}
.ul-dots{
  overflow: hidden;
  padding-top: 40px;
}
.ul-dots li{
  width: 33.333%;
  float: left;
  color:#fff;
  cursor: pointer;
  height: 160px;  
  padding-top: 26px;
  border-right: 1px solid #5e645c;
  text-align: center;
  position: relative;
}
.ul-dots li.on::after{
  content:'';
  display: block;
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  margin:0 auto;
  width: 17px;
  height: 9px;
  background: url(../images/icoxz15.png) no-repeat;
  z-index: 2;
}
.ul-dots li:first-child{
  border-left: 1px solid #5e645c;
}
.ul-dots .ico{
  width: 52px;
  height: 52px;
  background-repeat: no-repeat;
  margin:0 auto;
}
.ul-dots .tit{
  font-size: 22px;
  font-weight: bold;
  color:#fff;
}
.ul-dots .desc{
  font-size: 14px;
}
.ul-dots li.on{
  background: #0c6fd4;
}
@media only screen and (max-width: 1430px) {
  .slidertab .txt{padding: 30px;}
  .slidertab .txt .num{right: 30px;}
}
@media only screen and (max-width: 1230px) {
 .slidertab .txt .num{font-size: 98px;}
 .newtit .tit,.g-tit .tit,.slidertab .txt .tit{font-size: 24px;}
 .slidertab .pic,.slidertab .txt{height: 400px;}
 .slidertab .txt .num{bottom:18px;}
}
@media only screen and (max-width: 960px) {
.slidertab .pic{width: auto;float: none;}
.ul-dots .ico{display: none;}
.ul-dots li{height: 98px;}
}
@media only screen and (max-width: 767px) {
.slidertab .txt{height: auto;padding: 15px;}
.slidertab .txt .info p{font-size: 12px;}
.slidertab .txt .num,.slidertab .txt .line2{display: none;}
.slidertab .tel{margin-bottom: 0;}
.slidertab .txt .desc{font-size: 14px;margin-bottom: 10px;}
.slidertab .pic{height: 240px;}
.ul-dots .desc{display: none;}
.ul-dots .tit{font-size: 18px;padding: 0 10px;}
.ul-dots li{border-top: 1px solid #5e645c;}
.ul-dots{padding-top: 16px;}
.ul-dots li{padding-top: 20px;}
}

@media only screen and (max-width: 500px) {
.newtit .tit, .g-tit .tit, .slidertab .txt .tit{font-size: 20px;}
.row4{padding-top: 30px;}
}
/*为什么*/