.person-b {
  background: url(../images/aimicro/ai_banner.jpg) no-repeat center center;
  background-size: cover;
}
.public0-news-tit {
  margin-bottom: 80px;
}
.public0-news-tit h2 {
  background: url(../images/feature/feature_title_bg.png) no-repeat center center;
  background-size: 46% auto;
}
.feature {
  padding-top: 0px;
  padding-bottom: 235px;
  /* background: url(../images/feature/feature_img1_bg2.png) no-repeat center top; */
  background-size: 86%;
  padding-left: 5%;
  padding-right: 5%;
}
.feature .feature-head-list {
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: justify;
          justify-content: space-between;
  margin-bottom: 180px;
}
.feature .feature-head-list .feature-head-item {
  width: 27%;
  background: url(../images/feature/ai_img1.png) no-repeat center center;
  background-size: 100% 100%;
  padding: 20px 30px;
}
.feature .feature-head-list .feature-head-item:nth-of-type(2) {
  background: url(../images/feature/ai_img4.png) no-repeat center center;
  background-size: 100% 100%;
  padding-left: 50px;
}
.feature .feature-head-list .feature-head-item p {
  color: #ffffff;
  font-size: 20px;
}
.feature .feature-head-list2 {
  margin-bottom: 0px;
}
.feature .feature-head-list2 .feature-head-item {
  background: url(../images/feature/ai_img2.png) no-repeat center center;
  background-size: 100% 100%;
}
.feature .feature-head-list2 .feature-head-item:nth-of-type(2) {
  background: url(../images/feature/ai_img3.png) no-repeat center center;
  background-size: 100% 100%;
}
.feature-buttom {
  display: -webkit-box;
  display: flex;
  padding-top: 50px;
  background: url(../images/feature/feature_img1_bg.png) no-repeat center top;
  background-size: 100% 50px;
  padding-bottom: 130px;
}
.feature-buttom .f-b-item {
  width: 24.25%;
  margin-right: 1%;
  background-color: #ffffff;
  box-shadow: 0px 0px 60px 0px rgba(148, 188, 223, 0.3);
  border-radius: 5px;
}
.feature-buttom .f-b-item:nth-of-type(4) {
  margin-right: 0%;
}
.feature-buttom .f-b-item .f-b-i-top {
  background-image: linear-gradient(180deg, #5eb6ff 0%, #0462d9 100%);
  position: relative;
  padding: 80px 40px 30px;
}
.feature-buttom .f-b-item .f-b-i-top .top-line {
  width: 1px;
  position: absolute;
  top: 0;
  height: 60px;
  background-color: #c3e9ff;
}
.feature-buttom .f-b-item .f-b-i-top .top-txt {
  color: #ffffff;
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
          align-items: center;
}
.feature-buttom .f-b-item .f-b-i-top .top-txt h2 {
  font-size: 50px;
  font-weight: bold;
  margin-right: 16px;
}
.feature-buttom .f-b-item .f-b-i-top .top-txt .top-de h3 {
  font-size: 18px;
}
.feature-buttom .f-b-item .f-b-i-top .top-txt .top-de p {
  font-size: 16px;
}
.feature-buttom .f-b-item .f-b-i-txt {
  padding: 20px;
}
.feature-buttom .f-b-item .f-b-i-txt p {
  font-size: 14px;
  line-height: 24px;
  margin-bottom: 12px;
  color: #1e1e1e;
}
.feature-arc-container {
  background-color: #f6f8fb;
  padding-top: 90px;
  padding-bottom: 90px;
}
.feature-arc-container .feature-arc .feature-arc-img {
  margin-top: 40px;
  padding-bottom: 80px;
}
.feature-arc-container .feature-arc .feature-arc-list {
  display: -webkit-box;
  display: flex;
  flex-wrap: wrap;
}
.feature-arc-container .feature-arc .feature-arc-list .f-a-item {
  width: 24.25%;
  margin-right: 1%;
  border-radius: 5px;
  text-align: center;
  margin-bottom: 20px;
}
.feature-arc-container .feature-arc .feature-arc-list .f-a-item:nth-of-type(4n) {
  margin-right: 0%;
}
.feature-arc-container .feature-arc .feature-arc-list .f-a-item img {
  display: block;
  box-shadow: 0px 0px 30px 0px rgba(148, 188, 223, 0.2);
}
.feature-arc-container .feature-arc .feature-arc-list .f-a-item p {
  color: #1e1e1e;
  font-size: 22px;
  margin-top: 12px;
}
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