.case-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  align-items: center;
  margin: 20px auto;
}

.case-item {
  width: 500px;
  text-align: center;
  border-radius: 6px;
  margin-right: 20px;
  margin-top: 20px;
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05), 0 2px 3px 0 rgba(0, 0, 0, 0.1);
  -webkit-box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05),
    0 2px 3px 0 rgba(0, 0, 0, 0.1);
  user-select: none;
}
.case-item h4 {
  padding: 10px 0px;
}

.case-item a {
  text-decoration: none;
  color: #111;
  cursor: pointer;
  font-weight: 500;
}

.case-item a:hover {
  color: #48bdfd;
}

.case-item img {
  width: 500px;
  height: 280px;
  border-radius: 6px;
}

@media (max-width: 768px) {
  .case-list {
    padding: 10px;
  }
  .case-list .case-item {
    width: 280px;
    margin: 16px auto;
    overflow: hidden;
  }
  .case-list .case-item img {
    width: 100%;
    height: 150px;
  }
  .case-list .case-item h4 {
    font-size: 14px;
    line-height: 1.5em;
  }
}
.el-carousel {
  width: 800px;
}
.el-carousel__item img {
  /* color: #475669;
    font-size: 14px;
    opacity: 0.75;
    line-height: 200px;
    margin: 0; */
  /* width: auto;
    height: 100%; */
  width: 100%;
  height: 100%;
  display: block;
}
/* .el-carousel__item img:hover{
  z-index: 2;
  transform: scale(2);
  transition: .5s;
}
.el-carousel__item:has(.img:hover){
  z-index: 2;
  transform: scale(2);
  transition: .5s;
} */
.main {
  width: 100%;
  margin: 0 auto;
  position: relative;
  transition: top 0.5s;
  top: 0;
  margin-top: 18px;
  background-color: #fff;
}
.content-box {
  min-height: calc(100vh - 240px);
  position: relative;
}
.canvasbox {
 
  width: 100%;
  height: 600px;
  margin: 0 auto;
  background-color: #000000;
  position: relative;
}
.canvas-text {
  position: absolute;
  top: 50%;
  left: 50%;
  text-align: center;
  transform: translate(-50%, -50%);
  color: aliceblue;
  font-size: 40px;
}
.technology-img {
    width: 100%;
    height: 600px;
    margin: 10px 0 50px;
  background: url(../images/case1.jpeg) no-repeat;
  background-size: 100% 100%;
  position: relative;
  /* transition: all 1.5s ease-in-out; */
}
.technology-img {
    animation-name: scaleDraw; /*关键帧名称*/
    animation-timing-function:ease-in-out; /*动画的速度曲线*/
    animation-iteration-count:1;
    animation-duration: 2s; /*动画所花费的时间*/
  }
  @keyframes scaleDraw {
    /*定义关键帧、scaleDrew是需要绑定到选择器的关键帧名称*/
    0% {
      transform: scale(.1); /*开始为原始大小*/
      width: 100%;
      height: 300px;
      margin: 10px 0 50px;
    }
    100% {
        width: 100%;
        height: 600px;
        margin: 10px 0 50px;
      transform: scale(1);
    }
  }
.technology-img .text {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 400px;
  height: 200px;
  margin-left: -200px;
  margin-top: -100px;
  color: #f1f1f1;
  text-align: center;
}
.technology-img .text .time {
  padding: 0 25px;
  line-height: 30px;
  font-size: 20px;
}
.technology-img .text .title {
  width: 400px;
  line-height: 80px;
  font-size: 50px;
}
.technology-img .text .content {
  width: 70%;
  margin: 0 auto;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  text-indent: 1cm;
  color: #c6c6c6;
  height: 30px;
}
.home-text-i {
  width: 60%;
  margin: 0 auto;
  line-height: 36px;
  color: #c6c6c6;
}
.el-divider--horizontal {
  display: block;
  height: 1px;
  width: 100%;
  margin: 24px 0;
}

.el-divider {
  background-color: #dcdfe6;
  position: relative;
}
.service-m {
  display: flex;
  /* flex: 1; */
  justify-content: space-around;
}
.service-m > div {
  text-align: center;
}
.service-m .service-box-t {
  width: 18%;
}
.service-m .service-box-t .title {
  width: 100%;
  text-align: center;
  line-height: 36px;
  font-size: 18px;
  color: #c3c3c3;
}
.service-m .service-box-t .content {
  padding: 0 10%;
  font-size: 12px;
  font-weight: 500;
  line-height: 30px;
  color: #c3c3c3;
  font-size: 14px;
  height: 150px;
}
.case-img-box {
  width: 100%;
  height: 450px;
  background-size: 100% 100%;
  background-color: #fff;
  margin: 100px 0;
}
.case-img-box > img {
  width: 100%;
  height: 100%;
}
.home-title {
  width: 100%;
  text-align: center;
  font-size: 24px;
  color: #3cc7e6;
  line-height: 60px;
}
.home-title:before {
  content: "";
  display: inline-block;
  border-top: 1px solid #3cc7e6;
  width: 200px;
  margin: 5px;
}
.home-title:after,
.home-title:before {
  content: "";
  display: inline-block;
  border-top: 1px solid #3cc7e6;
  width: 200px;
  margin: 5px;
}
.collaborator-box {
  width: 100%;
  margin: 100px 0;
  display: flex;
  flex: 1;
  justify-content: space-around;
}
.collaborator-box .collaborator {
  width: 20%;
  height: 450px;
  padding: 30px;
}
.collaborator-box .collaborator img {
  width: 100%;
  height: 60%;
}
.collaborator-box .collaborator .name {
  text-align: center;
  line-height: 64px;
  font-size: 20px;
  color: #3cc7e6;
}
.collaborator-box .collaborator .position {
  padding-top: 20px;
  text-indent: 24px;
  line-height: 30px;
  color: #3cc7e6;
}
.environment-box {
  width: 100%;
  margin: 100px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  text-align: center;
}
.environment-box .environment {
  width: 48%;
  height: 400px;
  padding: 5px;
}
.environment-box .environment img {
  width: 100%;
  height: 100%;
}
.qualifications-box {
  width: 100%;
  margin: 100px 0;
  background: #edf0f0;
}
.certificates {
  padding: 50px 0;
  width: 1500px;
  display: flex;
  justify-content: space-around;
}
.certificates img{
  width: 25%;
  height: 350px;
}
.certificates img:hover{
  z-index: 2;
  transform: scale(1.5);
  transition: .5s;
}