#navb li:first-child .zyflg .nav_t{
  color: #da251c;
}
/*产品中心-start */
.product_box{
  width: 100%;
  overflow: hidden;
  margin: 50px 0;
}
.product_box .w .prod_tit h1{
  margin: 0 auto 12px;
  font-size: 28px;
  text-align: center;
}
.product_box .w .prod_tit p{
  text-align: center;
}
.product_box .w .prod_tit p a{
  margin: 0 10px;
  color: #999;
  font-size: 14px;
}
.product_box .w .search_box form{
  width: 75%;
  display: block;
  margin: 20px auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.product_box .w .search_box form .sear_xh{
  width: 35%;
  display: flex;
}
.product_box .w .search_box form .sear_xh input{
  line-height: 44px;
  outline: none;
  padding: 0 10px;
  border: 1px solid #da251c;
  color: #666;
  height: 44px;
  border-radius: 0;
}
.product_box .w .search_box form .sear_xh button{
  width: 70px;
  line-height: 44px;
  background: #da251c;
  color: #FFF;
  border: none;
  outline: none;
  font-size: 26px;
}
.product_box .w .search_box form .sear_cc{
  width: 60%;
  display: flex;
}
.product_box .w .search_box form .sear_cc input{
  width: 30%;
  line-height: 44px;
  outline: none;
  padding: 0 10px;
  border: 1px solid #da251c;
  color: #666;
  height: 44px;
  border-radius: 0;
  border-right: 0;
}
.product_box .w .search_box form .sear_cc button{
  width: 70px;
  line-height: 44px;
  background: #da251c;
  color: #FFF;
  border: none;
  outline: none;
  font-size: 26px;
}
.product_box .w ul{
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  /* justify-content: space-between; */
}
.product_box .w ul li{
  width: 24%;
  margin: 10px 0.5%;
  text-align: center;
  border: 1px solid #e1e1e1;
  padding: 25px;
  transition: all 0.5s;
  overflow: hidden;
}
.product_box .w ul li img{
  width: 85%;
  transition: all .5s;
}
.product_box .w ul li h3{
  font-size: 16px;
  color: #333;
  margin: 20px 0 0;
  position: relative;
}
.product_box .w ul li:hover{
  border: 1px solid #da251c;
}
.product_box .w ul li:hover h3{
  color: #da251c;
}
.product_box .w ul li:hover img{
  transform: scale(1.3);
}
.last_li{
  display: flex;
  align-content: center;
  align-items: center;
  transition: all 0.5s;
}
.last_li a{
  color: #333;
  width: 100%;
  display: block;
  font-size: 22px;
}
.last_li:hover a{
  color: #da251c;
}
/*产品中心-end */
/* 关于我们-start */
.about_box{
  width: 100%;
  overflow: hidden;
}
.about_box .about .about_left{
  width: 50%;
  height: 580px;
  float: left;
  background-image: url(/assets/image/sy_about.jpg);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover
}
.about_box .about .about_right{
  width: 50%;
  height: 580px;
  float: right;
  background: #da251c;
  padding: 4% 6%;
}
.about_box .about .about_right>h3{
  font-size: 28px;
  color: #fff;
  margin: 0 0 35px;
  position: relative;
}
.about_box .about .about_right>h3::after{
  position: absolute;
  content: '';
  bottom: -15px;
  left: 0;
  width: 150px;
  height: 2px;
  background: #fff;
}
.about_box .about .about_right p{
  font-size: 14px;
  line-height: 30px;
  color: #fff;
  margin: 0;
  /* text-indent: 2em; */
}
.about_box .about .about_right ul{
  width: 100%;
  display: flex;
  justify-content: space-between;
  margin-top: 50px;
}
.about_box .about .about_right ul li{
  text-align: center;
  width: 25%;
}
.about_box .about .about_right ul li img{
  width: 35px;
}
.about_box .about .about_right ul li h3{
  font-size: 40px;
  color: #fff;
  margin: 20px 0 8px;
  font-family: fantasy;
}
.about_box .about .about_right ul li h3 span{
  font-size: 16px;
  font-weight: normal;
  margin-left: 5px;
}
.about_box .about .about_right ul li p{
  font-size: 16px;
  color: #fff;
  margin: 0;
  text-indent: 0;
}
.about_box .about2 .about_left{
  width: 50%;
  /* height: 550px; */
  float: left;
  padding: 2% 8%;
}
.about_box .about2 .about_left p:first-child{
  color: #666;
  font-size: 16px;
  line-height: 28px;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.about_box .about2 .about_left>div{
  width: 100%;
  overflow: hidden;
  display: flex;
  margin: 0 0 20px;
}
.about_box .about2 .about_left>div>img{
  width: 50px;
  margin-right: 10px;
}
.about_box .about2 .about_left>div>div b{
  display: block;
  color: #333;
}
.about_box .about2 .about_left>div>div p{
  font-size: 14px;
  color: #999;
  line-height: 26px;
  margin: 0;
}
.about_box .about2 .about_left .more{
  margin-top: 25px;
  width: 120px;
  display: block;
  line-height: 42px;
  color: #333;
  border: 1px solid #333;
  transition: all 0.5s;
  text-align: center;
}
.about_box .about2 .about_left .more:hover{
  background: #da251c;
  border: 1px solid #da251c;
  color: #fff;
}
.about_box .about2 .about_right{
  width: 50%;
  /* height: 550px; */
  float: left;
  /* background-image: url(/assets/image/sy_about2.jpg);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover; */
}
.player-container-id-dimensions {
  width: 100%;
  height: 535px;
}
.vjs-poster{
  background-color: #f2f0f3!important;
}
.video-js{
  background-color: #e4e4e4!important;
}
/* 关于我们-end */
/* 行业应用-start */
.application{
  width: 100%;
  padding: 80px 0;
  background-image: url(/assets/image/appli.jpg);
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
}
.application .w>h1{
  font-size: 28px;
  text-align: center;
  margin: 0 0 20px;
  color: #fff;
}
.application .w>p{
  color: #d9d9d9;
  font-size: 14px;
  text-align: center;
  margin-bottom: 20px;
}
.application .w ul{
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.application .w ul li{
  width: 24%;
  background: #fff;
  transition: all .2s;
}
.application .w ul li:hover{
  box-shadow: 0 2px 10px rgb(0 0 0 / 20%);
  transform: translate3d(0, -5px, 0);
}
.application .w ul li a img{
  width: 100%;
}
.application .w ul li a h3{
  font-size: 18px;
  color: #333;
  font-weight: bold;
  padding: 0 15px;
}
.application .w ul li a p{
  ont-size: 14px;
  line-height: 28px;
  margin: 0 0 25px;
  padding: 0 15px;
  color: #333;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
/* 行业应用-end */
/* 新闻资讯-start */
.news_box .w>h1{
  margin: 50px auto 10px;
  font-size: 28px;
  text-align: center;
}
.news_box .w>p{
  color: #999;
  font-size: 14px;
  text-align: center;
}
.news_box .w ul{
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin: 20px auto 0;
}
.news_box .w ul li{
  background-color: #f5f5f5;
  width: 32%;
  padding-bottom: 20px;
}
.news_box .w ul li a img{
  width: 100%;
  height: 280px;
}
.news_box .w ul li h3{
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.news_box .w ul li h3 a{
  font-size: 16px;
  font-weight: bold;
  color: #333;
  padding: 0 20px;
  transition: 0.3s;
}
.news_box .w ul li:hover  h3 a{
  color: #da251c;
}
.news_box .w ul li .new_text{
  font-size: 14px;
  line-height: 28px;
  color: #333;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;/*控制行数*/
  overflow: hidden;
  padding: 0 20px;
}
.news_box .w ul li .time{
  font-size: 12px;
  color: #999;
  padding: 0 20px;
}
.news_box .w ul li .more a{
  font-size: 14px;
  padding: 0 20px;
  color: #da251c;
}
/* 新闻资讯-end */
@media(max-width:768px){
  .product_box {
    width: 100%;
    overflow: hidden;
    margin: 30px 0;
  }
  .product_box .w .search_box form {
    width: 100%;
    display: block;
    margin: 15px auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  .product_box .w .search_box form .sear_xh {
    width: 100%;
    display: flex;
  }
  .product_box .w .search_box form .sear_cc {
    width: 100%;
    display: flex;
    margin-top: 10px;
  }
  .product_box .w .search_box form .sear_cc {
    width: 100%;
    display: flex;
    margin-top: 10px;
  }
  .product_box .w .search_box form .sear_cc input {
    width: 32%;
    line-height: 44px;
    outline: none;
    padding: 0 6px;
    border: 1px solid #da251c;
    color: #666;
    height: 44px;
    border-radius: 0;
    border-right: 0;
  }
  .product_box .w ul li {
    width: 100%;
    margin: 5px 0;
    text-align: center;
    border: 1px solid #e1e1e1;
    padding: 25px;
    transition: all 0.5s;
    overflow: hidden;
  }
  .last_li {
    display: flex;
    align-content: center;
    align-items: center;
    transition: all 0.5s;
    border: 0!important;
    padding: 0!important;
    margin-top: 30px!important;
  }    
  .about_box .about .about_left {
    width: 100%;
    height: 280px;
    float: left;
    background-image: url(/assets/image/sy_about.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
  }
  .about_box .about .about_right {
    width: 100%;
    height: auto;
    float: right;
    background: #da251c;
    padding: 30px 10px;
  }
  .about_box .about .about_right p {
    font-size: 14px;
    line-height: 30px;
    color: #fff;
    margin: 0;
    text-indent: 2em;
  }
  .about_box .about .about_right ul {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-top: 20px;
    flex-wrap: wrap;
  }
  .about_box .about .about_right ul li {
    text-align: center;
    width: 50%;
    margin: 20px 0;
  }
  .about_box .about .about_right ul li img {
    width: 48px;
  }
  .about_box .about .about_right ul li h3 {
    font-size: 40px;
    color: #fff;
    margin: 10px 0 8px;
    font-family: fantasy;
  }
  .about_box .about2 .about_left {
    width: 100%;
    float: left;
    padding: 20px 10px 30px;
  }
  .about_box .about2 .about_left .more {
    width: 160px;
  }
  .about_box .about2 .about_right {
    width: 100%;
    float: left;
  }
  .player-container-id-dimensions {
    width: 100%;
    height: 234px;
  }
  .application {
    width: 100%;
    padding: 30px 0;
    background-image: url(/assets/image/appli.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
  }
  .application .w ul li {
    width: 100%;
    background: #fff;
    transition: all .2s;
    margin: 10px 0;
  }
  .news_box .w ul li {
    background-color: #f5f5f5;
    width: 100%;
    padding-bottom: 20px;
    margin-bottom: 15px;
  }




}