/* banner */
.banner {
  /* max-width: 1920px; */
  width: 100%;
  margin: 0 auto;
  position: relative;
}
.banner img {
  width: 100%;
}
/* btn_box */
.btn_box {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
}
.btn_box .btn {
  width: 115px;
  height: 49px;
  border: 0;
  display: block;
}
.contact_us {
  background-image: url('../images/projects_case/contact_us.png');
}
.live_msg {
  background-image: url('../images/projects_case/live_msg.png');
  margin-top: 2px;
}

/* 项目案例列表 */
.projects_case {
  padding-top: 25px;
}
.projects_list {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
  margin: 0 auto;
  width: 1203px;
}
.projects_item {
  width: 317px;
  height: 415px;
  position: relative;
  background: #DFF2FD;
  margin: 0 42px;
  margin-top: 58px;
  cursor: pointer;
}
.projects_item .img {
  width: 317px;
  height: 178px;
  overflow: hidden;
}
.projects_item img {
  width: 317px;
  height: 178px;
}

.projects_item .info {
  padding-left: 30px;
  padding-right: 22px;

}
.projects_item .title {
  font-size: 20px;
  color: #333333;
  padding-top: 18px;
  padding-bottom: 21px;
}
.projects_item .desc {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #333333;
  line-height: 24px;
}
.detail_btn {
  position: absolute;
  bottom: 25px;
  right: 22px;
}
.detail_btn .icon {
  display: inline-block;
  width: 20px;
  height: 11px;
  background-image: url('../images/detail_icon.png');
}
.detail_btn .text {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #4A90E2;
}
.page_box {
  margin-top: 26px;
  margin-bottom: 124px;
}
.projects_item_href {
  display: inline-block;
  width: 317px;
  height: 415px;
}