.wh_big_box{
  width: 100%;
  overflow: hidden;
  margin: 70px 0;
}
.whbt_tit_box h3{
  font-size: 26px;
  font-weight: bold;
  letter-spacing: 4px;
  margin-bottom: 0;
}
.whbt_tit_box .com_en{
  color: #333;
  font-size: 15px; 
}
.whbt_tit_box p{
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 26px;
  color: #666666;
}
.whbt_tit_box p a{
  color: #333;
}
.wh_ln {
  width: 100%;
  overflow: hidden;
  padding: 20px 0 60px;
  position: relative;
}
.wh_ln:last-child{
  padding-bottom: 0!important;
}
.wh_sz1{
  width: 72px;
  height: 72px;
  text-align: center;
  line-height: 72px;
  background: #3162ee;
  border-radius: 50%;
  color: #fff;
  font-size: 38px;
  float: left;
  margin-right: 20px;
  font-family: fantasy;
}
.wh_text_box{
  float: left;
  width: 80%;
}
.line{
  display: block;
  background: #e6e6e6;
  width: 2px;
  height: 60px;
  margin: 15px 36.5px;
  position: absolute;
  top: 95px;
}
.wh_text_box h3{
  margin:10px 0 5px;
  font-size: 16px;
  font-weight: bold;
}
.wh_text_box p{
  font-size: 14px;
  line-height: 26px;
  color: #666;
}
.wh_right_box img{
  width: 100%;
}
@media(min-width:1300px){
  .wh_right_box img {
    width: 90%;
    float: right;
  }
  .whbt_tit_box p {
    margin: 0 0 10px;
    font-size: 14px;
    line-height: 26px;
    color: #333;
    width: 90%;
  }
}
.about_big_box{
  width: 100%;
  overflow: hidden;
  margin-bottom: 60px;
}
.about_left img{
  width: 100%;
}
.about_right {
  width: 45%;
  float: right;
}
.about_right h3{
  font-size: 26px;
  font-weight: bold;
  margin: 50px 0 35px;
}
.about_right h3::before {
  content: '';
  position: absolute;
  width: 78px;
  height: 4px;
  background: #333;
  left: 15px;
  top: 88px;
}
.about_right h3 span{
  font-size: 16px;
  color: #999;
  text-transform: uppercase;
  font-weight: normal;
  margin-left: 15px;
}
.about_right p{
  line-height: 26px;
  text-indent: 2em;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  overflow: hidden;
}
.about_right a{
  width: 140px;
  height: 42px;
  line-height: 42px;
  text-align: center;
  display: block;
  border: 1px solid #3162ee;
  color: #3162ee;
  margin-top: 30px;
  transition: all 0.8s;
}
.about_right a:hover{
  background: #3162ee;
  color: #fff;
}

#video {
  width: 100%;
  overflow: hidden;
  margin: 95px auto 75px;
}

#video .video_header {
  max-width: 1200px;
  margin: 0 auto 100px;
  width: 90%;
  text-align: center;
}

#video .video_header .video_title {
  font-size: 48px;
  font-weight: bold;
  display: block;
  margin-bottom: 35px;
  padding: 0 5%;
}

#video .video_header .video_content {
  font-size: 18px;
  display: block;
  line-height: 35px;
  color: #555;
}

#video .video_main {
  position: relative;
  width: 100%;
}

#video .video_main::before {
  content: "";
  display: block;
  width: 68%;
  position: absolute;
  z-index: -1;
  height: 100%;
  background-color: #3162ee;
  right: 0;
  top: 0;
}

#video .video_main .main_box {
  padding: 3.2% 0;
  display: flex;
}

#video .video_main .main_box .img_box {
  float: left;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 55.6%;
  max-width: 1040px;
}

#video .video_main .main_box .img_a {
  display: block;
  position: relative;
  overflow: hidden;
}

#video .video_main .main_box .img_a img {
  -webkit-transition: all 1s;
  transition: all 1s;
}

#video .video_main .main_box .img_a:hover img {
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}

#video .video_main .main_box .img_a:before {
  display: block;
  content: '';
  position: absolute;
  left: 50%;
  top: 43%;
  width: 93px;
  height: 93px;
  border: 2px solid #fff;
  background: url('/assets/image/play-icon.png') no-repeat center;
  z-index: 1;
  -webkit-border-radius: 50%;
  border-radius: 50%;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
  animation: rotate 2.5s linear infinite;
}
@keyframes rotate{
	0%{
		transform: rotateZ(0deg);/*从0度开始*/
	}
	100%{
		transform: rotateZ(360deg);/*360度结束*/
	}
}

#video .video_main .main_box .text {
  float: left;
  margin: 4.75% 8.75% 0 4.75%;
}

#video .video_main .main_box .text .video_title {
  display: block;
  font-size: 22px;
  color: #FFFFFF;
  font-weight: bold;
  text-decoration: none;
  margin: 20px 0;
}

#video .video_main .main_box .text .video_content {
  font-size: 14px;
  line-height: 36px;
  color: #fff;
  text-indent: 2em;
  margin: 0;
}
#video .video_main .main_box .text .video_content a{
  color: #fff;
}
#video .video_main .main_box .text .view_all {
  width: 140px;
  height: 42px;
  line-height: 42px;
  text-align: center;
  display: block;
  border: 1px solid #ffffff;
  color: #ffffff;
  margin-top: 50px;
  transition: all 0.8s;
}

#video .video_main .main_box .text .view_all:hover {
  color: #3162ee;
  background: #fff
}
.index_prod{
  width: 100%;
  overflow: hidden;
  position: relative;
  margin-bottom: 70px;
}
.index_prod h3{
  font-size: 26px;
  font-weight: bold;
  margin: 0 0 50px;
  text-align: center;
}
.index_prod h3::before{
  content: '';
  position: absolute;
  width: 78px;
  height: 4px;
  background: #333;
  left: 50%;
  top: 35px;
  transform: translateX(-50%);
}
.index_prod li{
  background: #e2e2e2;
  box-shadow: 0px 0px 15px 0px rgb(0 0 0 / 10%);
  margin: 15px 1%;
  padding: 0;
  width: 23%;
}
.index_prod li img{
  width: 100%;
}
.index_prod li:hover img{
  transform-style: preserve-3d;
  transform: rotateY(180deg);
  transition: all 0.8s ease 0s;
}
.index_prod li p{
  text-align: center;
  margin: 0;
  font-size: 16px;
  display: block;
  line-height: 50px;
  background: #3162ee;
  color: #fff;
  transition: all 0.8s;
}
.index_prod li:hover p{
  background:#333;
}
.new_big_box{
  width: 100%;
  overflow: hidden;
  background: #fafafa;
  padding: 70px 0;
}
.new_big_box .w h3{
  font-size: 26px;
  font-weight: bold;
  margin: 0 0 5px;
  text-align: center;
}
.new_big_box .w .new_tit{
  font-size: 14px;
  color: #666;
  text-align: center;
  margin-bottom: 40px;
}
.new_big_box .w ul li{
  padding: 0;
  width: 30%;
  margin:0 1.5%;
  float: left
} 
.new_big_box .w ul li .list{
  padding: 20px;
  background: #fff;
}
.new_big_box .w ul li .list .img_box{
  display: block;
  position: relative;
}
.new_big_box .w ul li .list .img_box img{
  width: 100%;
  height: 250px;
}
.new_big_box .w ul li .list .img_box:before{
  display: none;
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #111;
  opacity: 0.5;
  transition: all 0.5s linear;
}
.new_big_box .w ul li .list:hover .img_box:before{
  display: block;
}
.new_big_box .w ul li h4{
  margin: 15px 0 0 0;
  font-size: 15px;
  font-weight: bold;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.new_big_box .w ul li h4 a{
  color: #333;
  text-decoration: none;
  transition: all 0.5s
}
.new_big_box .w ul li h4 a:hover{
  color: #3162ee;
}
.new_big_box .w ul li .time{
  color: #999999;
  margin: 5px 0 0;
}
.new_big_box .w ul li p{
  font-size: 14px;
  display: -webkit-box;
 text-overflow: ellipsis;
 -webkit-box-orient: vertical;
 -webkit-line-clamp: 2;/*控制行数*/
 overflow: hidden;
 margin: 0;
 line-height: 28px;
}
.new_big_box .w ul li .new_more{
  margin-top: 20px;
}
.new_big_box .w ul li .new_more a{
  color: #3162ee;
}
.new_big_box .w ul li:nth-child(2)::before {
  content: "";
  display: block;
  width: 3px;
  height: 100px;
  background-color: #333;
  margin: 0 auto 8%
}
@media(max-width:768px){
  .wh_big_box {
    width: 100%;
    overflow: hidden;
    margin: 10px 0;
  }
  .wh_ln {
    width: 100%;
    overflow: hidden;
    padding: 20px 0 0;
    position: relative;
    text-align: center;
  }
  .wh_sz1 {
    width: 72px;
    height: 72px;
    text-align: center;
    line-height: 72px;
    background: #3162ee;
    border-radius: 50%;
    color: #fff;
    font-size: 38px;
    float: none;
    margin: 0 auto;
    font-family: sans-serif;
    display: block;
  }
  .line{
    display: none;
  }
  .wh_text_box {
    float: none;
    width: 100%;
  }
  .wh_text_box h3 {
    margin: 10px 0;
    font-size: 16px;
    font-weight: bold;
  }
  .wh_right_box img {
    display: none;
  }
  .about_big_box {
    width: 100%;
    overflow: hidden;
    margin-bottom: 40px;
  }
  .about_right {
    width: 100%;
    float: none;
  }
  .about_right h3 {
    font-size: 26px;
    font-weight: bold;
    margin: 0px 0 20px;
  }
  .about_right h3::before {
    content: '';
    position: absolute;
    width: 78px;
    height: 2px;
    background: #333;
    left: 15px;
    top: 32px;
  }
  #video {
    margin: 0 auto 40px;
  }
  #video .video_main .main_box .img_box {
    display: none;
  }
  #video .video_main .main_box .text {
    float: none;
    margin: 0 10px 30px;
  }
  #video .video_main::before {
    content: "";
    display: block;
    width: 100%;
    position: absolute;
    z-index: -1;
    height: 100%;
    background-color: #3162ee;
    right: 0;
    top: 0;
  }
  #video .video_main .main_box .text .video_title {
    display: block;
    font-size: 18px;
    color: #FFFFFF;
    font-weight: bold;
    text-decoration: none;
    margin: 10px 0;
  }
  #video .video_main .main_box .text .video_content {
    font-size: 14px;
    line-height: 28px;
    color: #fff;
    text-indent: 2em;
    margin: 0;
  }
  #video .video_main .main_box .text .view_all {
    width: 140px;
    height: 42px;
    line-height: 42px;
    text-align: center;
    display: block;
    border: 1px solid #ffffff;
    color: #ffffff;
    margin-top: 35px;
    transition: all 0.8s;
  }
  .index_prod {
    width: 100%;
    overflow: hidden;
    position: relative;
    margin-bottom: 40px;
  }
  .index_prod h3 {
    font-size: 26px;
    font-weight: bold;
    margin: 0 0 35px;
    text-align: center;
  }
  .index_prod li {
    background: #e2e2e2;
    box-shadow: 0px 0px 15px 0px rgb(0 0 0 / 10%);
    margin: 10px 1%;
    padding: 0;
    width: 48%;
    float: left;
  }
  .new_big_box {
    width: 100%;
    overflow: hidden;
    background: #fafafa;
    padding: 40px 0;
  }
  .new_big_box .w .new_tit {
    font-size: 14px;
    color: #666;
    text-align: center;
    margin-bottom: 20px;
  }
  .new_big_box .w ul li:nth-child(2)::before {
    display: none;
  }
  .new_big_box .w ul li {
    padding: 0;
    width: 95%;
    margin: 0 auto 15px;
    float: none;
  }
  .new_big_box .w ul li .list .img_box img {
    width: 100%;
    height: auto;
  }
}