.clearfix:after {
   content: "";
   height: 0;
   display: block;
   clear: both;
 }
 
 .fl {
   float: left;
 }
 
 .fr {
   float: right;
 }
 
 a {
   text-decoration: none;
 }


.about_mini-history {
  position: relative;
  width: 100%;
  height: 500px;
  color: #fff;
  text-align: center;
  background: #60a3cf url(bg_history.jpg) center no-repeat;
  background-size: cover;
}
.about_mini-history .core-title {
  position: absolute;
  top: 150px;
  left: 50%;
  transform: translateX(-50%)
}
.about_mini-history .core-title .tt {
  font-size: 38px;
  line-height: 2;
  font-weight: bold;
}
.about_mini-history .core-title .sub {
  font-size: 20px;
  font-weight: 500;
}

.history-list {
  background: #eee;
  padding-bottom: 100px;
}
.history-list .his-inner{
  height: 630px;
    max-width: 1400px;
    margin: 0 auto;
    margin-top: -80px;
}
.history-list .swiper {
  width: 100%;
  height: 100%;
  padding-bottom: 50px;
}
.history-list .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;

}

.history-list .hs_box {
  padding: 20px 35px 30px;
}

.history-list .hs_box .key_tt {
  padding-bottom: 20px;
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  border-bottom: 1px solid #b8bac6;
  margin-bottom: 20px;
  color: #1a274e;
}
.history-list .hs_box .key_tt img {
  display: block;
    margin: 0 auto;
    height: 40px;
    margin-bottom: 15px;
}

.about_mini-history .key_history .hs_sub_list {
  max-width: 23.75rem;
  padding: 2.25rem 0
}

.history-list li {
  position: relative;
  padding-left: 24px;
  color: #5c5e68;
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
  margin-top: 13px;
}
.history-list li:first-child {
  padding-left: 0;
}
.history-list li b {
  color: #261a42;
  font-size: 18px;
  line-height: 1.5;
  font-weight: bold;
}

.history-list li:before {
  content: "";
  display: block;
  position: absolute;
  top: 8px;
  left: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  border: 2px solid #1a274e
}
.history-list li:first-child::before {
  display: none;
}