/*初始化样式*/
html {
  margin: 0;
  padding: 0;
  border: 0;
}

div,
span,
object,
iframe,
h1,
h2,
h3,
h4,
p,
blockquote,
pre,
a,
address,
code,
b,
em,
img,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
footer,
header,
hgroup,
navs,
section {
  margin: 0;
  padding: 0;
  border: 0;
}

a {
  text-decoration: none;
  outline: none;
}

a:hover,
a:active,
a:focus {
  text-decoration: none;
  outline: none;
}


input {
  padding: 0;
  margin: 0;
  font-family: '微软雅黑';
}

img {
  border: none;
  background: none;
  vertical-align: middle;
}

ul,
ol,
li {
  list-style-type: none;
}

select,
input,
img,
select {
  vertical-align: middle;
}

table {
  border-collapse: collapse;
  border-spacing: 0
}

table,
th,
td {
  vertical-align: middle
}

.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  clear: both;
  overflow: hidden;
  visibility: hidden;
}

.clearfix {
  zoom: 1
}

.clearboth {
  height: 0px;
  line-height: 0px;
  overflow: hidden;
  clear: both;
  font-size: 0px;
}

hr {
  border: 0;
  border-top: 1px solid #ccc;
  height: 0;
}

p {
  margin: 0;
}

.xypg-right-content p {
  font-size: 16px;
}


/*----- Common css ------*/
.fl {
  float: left;
}

.fr {
  float: right;
}

.di {
  _display: inline;
}

.fwn {
  font-weight: normal;
}

.dib {
  *display: inline;
  _zoom: 1;
  _display: inline;
  _font-size: 0px;
}

.of {
  overflow: hidden;
}

.pos {
  position: relative;
  width: 1920px;
  left: 50%;
  margin-left: -960px;
}

.wh {
  max-width: 1530px;
  margin: 0 auto;
  padding: 0 15px;
}

.wh1802 {
  max-width: 1832px;
  margin: 0 auto;
  padding: 0 15px;
}







.com-img {
  overflow: hidden;
}

.com-img img {
  transition: all 0.8s;
  -webkit-transition: all 0.8s;
  -moz-transition: all 0.8s;
  -o-transition: all 0.8s;
}

.com-img:hover img {
  transform: scale(1.1);
  -webkit-transform: scale(1.1);
  -moz-transform: scale(1.1);
  -o-transform: scale(1.1);
  -ms-transform: scale(1.1);
}



.flexf {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.flexs {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.flexd {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
}

.bold {
  font-weight: bold;
}

.oh {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.bcg {
  background-size: 100% 100%;
}

.flexed {
  display: flex;
  justify-content: space-between;
  flex-wrap: nowrap;
  display: -webkit-flex;
}





/* 应用领域 */
.case_box {
  margin: 5vw 0 3vw 0;
}

.case_box .ca_title h2,
.case_box .ca_title p {
  text-align: center;
}

.case_box .ca_title h2 {
  font-size: 48px;
  color: #000;
  font-weight: 700;
}

.case_box .ca_title p {
  /*font-size: .2rem;*/
  font: 500 18px / 36px "微软雅黑";
  color: #000;
  /*margin-top: 1vw;*/
  margin: 0;
  margin: 1.8% 0 2.7% 0;
}

.yblist li+li {
  /*border-left: 1px solid #fff;*/
}

.yblist li {
  width: 25%;
  position: relative;
  overflow: hidden;
  transition: all .4s;
}
.zhezhao {
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 9;
  background-color: rgb(21, 21, 21, 0.3)  
}
.yblist li .img img {
  display: block;
}

.yblist li.active {
  width: 50%;
}
.yblist li.active .zhezhao {
 display: none;
}

.yblist li.sm {
  width: 16.6%;
}

.yblist li .faa {
  width: 92%;
  position: absolute;
  left: 4%;
  bottom: 2.5rem;
  text-align: center;
}

.yblist li .wz {
  color: #fff;
  font-size: 1.8rem;
  margin-bottom: 0.4rem;
}

.yblist li .fbb {
  position: absolute;
  left: 5%;
  right: 5%;
  top: 2vw;
  z-index: 99;
}

.yblist li .fbb .wz {
  color: #b6adad;
  font-size: 4rem;
}

.yblist li .fbb .wz2 {
  color: #fff;
  font-size: 1.2rem;
}

.yblist li .xiaotu {
  width: 100%;
  margin-top: 4vw;
}

.yblist li .xiaotu .ff1 {
  width: 31%;
  position: relative;
  text-align: center;
}

.yblist li .xiaotu .ff1 .img2 img {
  width: 100%;
  display: block;
}

.yblist li .xiaotu .ff1 .wz3 {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: #fff;
  font-size: 16px;
  width: 100%;
  left: 0;
  bottom: 0.75rem;
  position: absolute;
}

.yblist li .mos {}

.yblist li .mos .aa {
  display: flex;
  justify-content: space-evenly;
  flex-wrap: wrap;
  align-items: center;
  color: #9c6606;
  font-size: 14px;
  border: 1px solid rgb(206, 156, 68);
  background-color: rgb(255, 255, 255);
  width: 8.7rem;
  height: 2.4rem;
  border-radius: 25px;
}

.yblist li .mos .aa img {
  margin-right: 11px;
}

.yblist li .mos .aa img {
  display: block;
}

.yblist li .mos .aa img:nth-child(2) {
  display: none;
}

.yblist li .mos:hover .aa img {
  display: none;
}

.yblist li .mos:hover .aa img:nth-child(2) {
  display: block;
}

.yblist li .mos:hover .aa {
  color: #fff;
  background: #ddbe8a;
  border-color: #ddbe8a;
}

.yblist li:hover .faa {
  opacity: 0;
}

.yblist li:hover .fbb {
  opacity: 1;
}



@media (max-width:1440px) {

  .yblist li .wz {
    font-size: 30px;
  }

  .yblist li .jia {
    width: 60px;
    margin: 0 auto;
  }

  .yblist li .jia img {
    width: 100%;
    display: block;
  }

  .yblist li .fbb .wz {
    font-size: 30px;
  }

  .yblist li .fbb .wz2 {
    font-size: 15px;
  }

  .yblist li .xiaotu .ff1 .wz3 {
    font-size: 15px;
  }
}

@media (max-width:1280px) {

  .yblist li .wz {
    font-size: 24px;
  }

  .yblist li .jia {
    width: 54px;
    margin: 0 auto;
  }

  .yblist li .fbb .wz {
    font-size: 24px;
  }


}




@media (max-width: 768px) {

  .yblist li {
    width: 100%;
  }

  .yblist li.sm {
    width: 100%;
  }

  .yblist li.active {
    width: 100%;
  }

  .yblist li+li {
    border: none;
    margin-top: 15px;
  }

  .yblist li .faa {
    opacity: 0 !important;
  }

  .yblist li .fbb {
    opacity: 1 !important;
  }

  .yblist li .img img {
    width: 100%;
    display: block;
  }
  .yblist li .wz {
    margin-bottom: 0;
  }

}


@media (max-width:640px) {

  .yblist li .fbb .wz {
    font-size: 40px;
    /* margin-bottom: 12px; */
    color: white;    
  }

  .yblist li .fbb .wz2 {
    margin: 10px 0;
  }

  .yblist li .xiaotu .ff1 .wz3 {
    font-size: 14px;
  }

  .yblist li .mos .aa {
    height: 42px;
  }
  .yblist li .fbb .wz2 {
    font-size: 20px;
    margin: 0 0 ;
  }

}
@media (max-width:430px) {
  .case_box {
    margin: 7.55vw 0 3vw 0;
  }
  .case_box .ca_title p {
    font-size: 16px;  
  }

}