.contact_us {
  position: relative;
  background: url(/uploads/image/scwiservice/ab_bg01.png) no-repeat 10rem 1rem;
  background-size: 6.88rem 5.16rem;
}
.contact_us::after {
  content: "";
  display: block;
  width: 100%;
  height: 6.5rem;
  background: #eff3f7;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: -1;
}
.contact_us .content {
  padding-top:2.5rem;
  overflow: hidden;
  background: url(/uploads/image/scwiservice/ab_bg02.png) no-repeat left top;
  background-size: 6.61rem 3.17rem;
}
.contact_us .content .code {
  float: left;
  width: 2.1rem;
}
.contact_us .content .code .imgbox {
  width: 2.1rem;
  height: 2.2rem;
  padding: 0.25rem;
  box-sizing: border-box;
  background: #fff;
  margin-bottom: 0.4rem;
}
.contact_us .content .code .imgbox img {
  display: block;
  width: 100%;
}
.contact_us .content .code p {
  font-size: 0.24rem;
  color: #000;
  opacity: 0.5;
  text-align: center;
  line-height: 1.5;
}
.contact_us .content ul {
  float: left;
  overflow: hidden;
}
.contact_us .content ul li {
  float: left;
  width: 3.1rem;
  height: 2.2rem;
  box-sizing: border-box;
  padding: 0.4rem;
  background: #fff;
  margin-left: 0.3rem;
}
.contact_us .content ul li span {
  display: block;
  font-size: 0.26rem;
  color: #000;
  padding-top: 0.2rem;
  margin-bottom: 0.1rem;
}
.contact_us .content ul li span::before {
  content: "";
  display: block;
  width: 0.43rem;
  height: 0.05rem;
  background: #347afc;
  border-radius: 0.05rem;
  margin-bottom: 0.3rem;
}
.contact_us .content ul li p {
  font-size: 0.24rem;
  color: #000;
  opacity: 0.5;
}
.qa .ul_qa li {
  box-sizing: border-box;
  padding: 0.3rem 0.5rem;
  overflow: hidden;
  background: #f7f8fa;
  border: 1px solid #e3e8ec;
  margin-bottom: 0.2rem;
}
.qa .ul_qa li b {
  width: 0.53rem;
  height: 0.45rem;
  float: left;
  line-height: 0.33rem;
  font-size: 0.22rem;
  color: #fff;
  text-align: center;
  background: url(/uploads/image/scwiservice/qa_icon.png) no-repeat center;
  background-size: cover;
}
.qa .ul_qa li h3 {
  float: left;
  font-size: 0.20rem;
  color: #0f0f10;
  line-height: 0.33rem;
  padding-left: 0.3rem;
  width: 70%;
}
.qa .ul_qa li .a_more {
  float: right;
  display: block;
  width: 1.5rem;
  height: 0.46rem;
  line-height: 0.46rem;
  background: #347afc;
  color: #fff;
  text-align: center;
  font-size: 0.16rem;
  border-radius: 0.05rem;
}
.qa .details {
  border-bottom: 1px solid #dcdcdc;
  padding-bottom: 0.8rem;
  margin-bottom: 1rem;
  font-size: 0.20rem;
  line-height: 2.5;
}
.qa .details h2 {
  font-size: 0.40rem;
  color: #000;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid #dcdcdc;
  text-align: center;
  margin-bottom: 0.5rem;
}
/*.qa .details p {
  font-size: 0.20rem;
  line-height: 2.5;
  color: #000;
  margin-bottom: 0.1rem;
}
.qa .details p  strong {
      font-size: 0.20rem;
  line-height: 2.5;
  font-weight:bold;
  color: #000;

}*/
.qa .details .a_more {
  display: block;
  width: 2.5rem;
  height: 0.7rem;
  margin: 0 auto;
  line-height: 0.7rem;
  background: #f7f8fa;
  color: #666;
  text-align: center;
  font-size: 0.18rem;
  letter-spacing: 0.1rem;
  border: 1px solid #e3e8ec;
  box-sizing: border-box;
}
.qa .details .a_more:hover {
  background: #347afc;
  color: #fff;
  border: 1px solid #347afc;
}
.qa .div_tit {
  font-size: 0.40rem;
  color: #000;
  margin-bottom: 0.5rem;
}
.qainner .ul_qa li h3 {
  padding-left: 0;
}
.video_center .content ul {
  display: flex;
  flex-wrap: wrap;
}
.video_center .content ul li {
  width: 30%;
  margin-bottom: 0.6rem;
}
.video_center .content ul li:not(:nth-child(3n)) {
  margin-right: calc(10% / 2);
}
.video_center .content ul li .imgbox {
  position: relative;
  margin-bottom: 0.1rem;
}
.video_center .content ul li .imgbox img {
  display: block;
  width: 100%;
}
.video_center .content ul li .imgbox span {
  display: block;
  width: 100%;
  height: 100%;
  background: url(/uploads/image/scwiservice/video_icon.png) no-repeat center;
  background-size: 0.68rem 0.68rem;
  position: absolute;
  left: 0;
  top: 0;
  cursor: pointer;
}
.video_center .content ul li p {
  font-size: 0.2rem;
  line-height: 1.5;
  color: #000; text-align:center;
}
.video_center .content ul li .video_wrap {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 88;
}
.video_center .content ul li .video_wrap .video_sv {
  position: absolute;
  width: 50%;
  left: 25%;
  top: 50%;
  -webkit-transform: translatey(-50%);
  -moz-transform: translatey(-50%);
  transform: translatey(-50%);
}
.video_center .content ul li .video_wrap .imgclose {
  position: absolute;
  bottom: 10%;
  width: 2.29167vw;
  left: 50%;
  -webkit-transform: translatex(-50%);
  -moz-transform: translatex(-50%);
  transform: translatex(-50%);
  cursor: pointer;
}
@media screen and (max-width: 991px) {
  .contact_us {
    background-position: right 3rem;
    background-size: 4.88rem 3.16rem;
  }
  .contact_us .content {
    padding-top: 0;
    background: none;
  }
  .contact_us .content ul {
    flex-wrap: wrap;
    width: 100%;
    display: flex;
    justify-content: space-between;
  }
  .contact_us .content ul li {
    width: 100%;
    margin: 0;
    height: auto; 
	margin-top:0.3rem;
    overflow: hidden;
  }
  .contact_us .content ul li span {
    float: left;
  }
  .contact_us .content ul li p {
    float: left;
    padding-top: 0.55rem;
    padding-left: 0.1rem;
  }
  .contact_us::after {
    height: 70%;
  }
  .contact_us .content .code {
    width: auto;
    overflow: hidden;
    padding: 0;
    background: #fff;
    padding-bottom: 0.3rem;
    margin-bottom: 0.3rem;
  }
  .contact_us .content .code .imgbox {
    margin-bottom: 0;
  }
  .video_center .content ul li {
    width: 48%;
  }
  .video_center .content ul li:not(:nth-child(3n)) {
    margin-right: 0;
  }
  .video_center .content ul li:not(:nth-child(2n)) {
    margin-right: calc(4% / 1);
  }
  .video_center .content .video_wrap #video_sv {
    width: 80%;
    left: 10%;
  }
  .video_center .content .video_wrap .imgclose {
    bottom: 25%;
  }
}
@media screen and (max-width: 640px) {
  .qa .ul_qa li h3 {
    width: 60%;
  }
  .video_center .content ul li {
    width: 100%;
  }
  .video_center .content ul li:not(:nth-child(3n)) {
    margin-right: 0;
  }
  .video_center .content ul li:not(:nth-child(2n)) {
    margin-right: 0;
  }
  .video_center .content ul li .video_wrap .video_sv {
    width: 98%;
    left: 1%;
  }
  .video_center .content ul li .video_wrap .imgclose {
    width: 0.4rem;
  }
}