.content_box {
  width: 100%;
}
.content_box .kv_box {
  width: 100%;
}
.content_box .introduction_content {
  width: 15.5rem;
  margin: 0 auto;
  padding-top: 1rem;
  box-sizing: border-box;
}
.content_box .introduction_content .title {
  text-align: center;
  font-size: 0.42rem;
  margin-bottom: 1rem;
}
.content_box .introduction_content .intro_box .left {
  width: 3.82rem;
  padding-top: 0.12rem;
  margin-left: 1rem;
  margin-right: 2rem;
}
.content_box .introduction_content .intro_box .right {
  width: 8.6rem;
}
.content_box .introduction_content .intro_box .right h3 {
  font-family: ArialMT;
  font-size: 0.42rem;
  font-weight: normal;
  font-stretch: normal;
  margin-bottom: 0.45rem;
}
.content_box .introduction_content .intro_box .right p {
  font-family: ArialMT;
  font-size: 0.18rem;
  font-weight: normal;
  font-stretch: normal;
  line-height: 0.3rem;
  letter-spacing: 1px;
  color: #000;
  margin-bottom: 0.38rem;
}
.content_box .time-line {
  width: 100%;
  margin-top: 2rem;
}
.jl_footer {
  width: 100%;
  height: 5.7rem;
  margin-bottom: 100px;
}
.jl_footer .jl_footer_swiper {
  width: 100%;
  height: 5.7rem;
}