Front_End_DE/src/pages/product/style.css

.pro-layout {
  overflow: hidden;
}

.pro-layout .m-content {
  max-width: 980px;
  margin: 0 auto;
  text-indent: 0;
  text-align: center;
}

.case_1 {
  background: #fff url('http://video.cgaii.com/new4dage/images/images/computer_bg.png') no-repeat left top;
  background-size: 100% 82%;
  padding: 20px 20px 60px;
  position: relative;
}

.case_1::before {
  display: none !important;
}

.case_1 .info {
  text-align: center;
  margin-bottom: 30px;
}

.case_1 .info h2,
.case_1 .info p {
  color: #fff;
}

.case_2 {
  padding-top: 50px;
  background: url('http://video.cgaii.com/new4dage/images/images/case_5_bg.png') no-repeat left top;
  background-size: cover;
  border-bottom: 20px solid #08070c;
}

.case_2 .info {
  text-align: center;
  margin-bottom: 30px;
}

.case_2 .info > h2,
.case_2 .info > p {
  color: #fff;
}

.case_2 > div {
  height: 100%;
  position: relative;
  max-width: 1430px;
  padding: 0 20px;
  margin: 0 auto;
}

.case_3 {
  padding: 50px 10px;
}

.case_2 img {
  width: 100%;
}

.case_3 img {
  padding-top: 23px;
  display: block;
  width: 100%;
}

.case_3 {
  text-align: center;
}

.case_3 .info {
  margin-bottom: 20px;
}

.case_4 {
  background: #000;
  border: 0;
}

.case_4 img {
  display: block;
  width: 100%;
}

.case_5 {
  background: none;
  border: 0;
}

.case_5 .info > h2,
.case_5 .info > p {
  color: #000; 
}

.case_2 > .full {
  margin-left: -50vw;
  margin-right: -50vw;
  max-width: inherit;
}


.case_2 > .iframe-layout {
  padding: 0 0 37.56%;
  position: relative;
  min-height: 500px;
}

.case_2 > .iframe-layout.mobile {
  min-height: 258px;
}

.iframe-layout iframe {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.case_6 {
  padding: 50px 0 40px;
}

.case_6 > div {
  max-width: 838px;
  margin: 0 auto;
}

.case_6 .info {
  text-align: center;
  margin-bottom: 0;
  padding: 0 15px;
}
.srcode-a {
  margin-top: 20px;
  position: relative;
  z-index: 99;
}

.srcode-a span {
  position: absolute;
  background-size: 200px 200px;
  width: 214px;
  height: 0;
  border: 0px solid #fff;
  box-sizing: border-box;
  top: 100%;
  left: 50%;
  margin-top: 16px;
  transform: translateX(-50%);
  transition: all .3s ease;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.4);
  border-radius: 5px;
  overflow: hidden;
}

.srcode-a span img {
  width: 100%;
}

.srcode-a::before {
  content: '';
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: -4px;
  position: absolute;
  border: 10px solid transparent;
  border-bottom-color: #fff;
  z-index: 2;
}

.srcode-a.active span,
.srcode-a:hover span {
  height: 214px;
  border: 7px solid #fff;
}

.ar {
  position: relative;
  padding-top: 80%;
}


.ar > div,
.ar > img {
  display: block;
  width: 80%;
  left: 10%;
  position: absolute;
}

.Arbottom {
  bottom: 0;
}

.light {
  bottom: 10%;
}

.Artop {
  bottom: 11%;
  transform: scale(0);
  transition: transform .3s linear;
  
}

.case_6.__arrive .Artop {
  transform: scale(1);
}

.Artop > img {
  height: auto;
  width: 80%;
  margin-left: 10%;
  animation: ArtopImg 1.5s linear infinite alternate;
}

@keyframes ArtopImg{
  0%{
    transform:translateY(0)
  }
  to{
    transform:translateY(-7%)
  }
}


@media screen and (min-width: 1040px) {
  .case_1 {
    padding: 60px 20px 20px;
  }

  .case_1 .info {
    margin-bottom: 60px;
  }

  .case_2 {
    padding-top: 65px;
  }

  .case_2 .info {
    margin-bottom: 50px;
  }

  .case_3 {
    padding: 100px 10px;
  }

  .case_3 .info {
    margin-bottom: 50px;
  }

  .case_5 {
    margin-top: 100px;
  }

  .case_6 {
    padding: 135px 0 40px;
  }

  .case_6 .info {
    margin-bottom: 0;
  }
}