.m_top_banner {
  height: 75vh;
  position: relative;
}

.m_top_txt {
  position: absolute;
  bottom: 10%;
  left: 10%;
  color: #fff;
  width: 80%;
  transition: all 0.3s ease-in-out;
  text-shadow: 1px 1px 5px rgba(0, 0, 0, 0.8), 0 0 10px rgba(16, 124, 201, 0.5);
}

.m_top_txt h2 {
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.m_top_txt p {
  font-size: 1rem;
  line-height: 1.5;
}

.m_his_box {
  position: relative;
}

.m_his_box::before {
  height: 100%;
  width: 4px;
  background: #F4F6FC;
  content: "";
  display: block;
  position: absolute;
  left: 1.5rem;
}

.m_his_title {
  padding-top: 3rem;
  text-align: center;
}

.m_his_title h2 {
  font-size: 1.6rem;
  font-weight: 500;
}

.m_his_list {
  padding: 0 1rem 0 1.2rem;
}

.m_his_list ul {
  position: relative;
  padding: 0 1rem 2rem 2rem;
}

.m_his_list ul li.m_year {
  margin-top: 2rem;
}

.m_year_tit {
  font-size: 1.2rem;
  color: #333333;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 0.5rem;
  position: relative;
}

.m_year_tit .circle {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #648ffc;
  display: inline-block;
  position: absolute;
  top: 0.6rem;
  left: -1.7rem;
}

.m_year_tit .circle::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 50%;
  -webkit-box-shadow: 0 0 0 4px rgba(100, 143, 252, .2);
  box-shadow: 0 0 0 4px rgba(100, 143, 252, .2)
}

.m_year_content h3 {
  margin: 5px 0 8px;
  font-size: 1.2rem;
  color: #666666;
  font-weight: 600;
}

.m_year_content p {
  font-size: 0.8rem;
  color: #666;
  font-weight: 400;
  line-height: 30px;
}

.m_his_swiper {
  background-image: url(/static/images/history-bg.jpg);
  background-color: #fafafa;
  background-position: center bottom;
  background-size: cover;
  background-repeat: no-repeat;
  position: relative;
  padding: 3rem 1rem;
}

.m_his_sw_title {
  margin-bottom: 2rem;
  text-align: center;
}

.m_his_sw_title h2 {
  font-size: 1.8rem;
  font-weight: 500;
}

.m_his_sw_title h3 {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.5;
  position: relative;
}

.m_his_swiper .m_his_sw_con {
  position: relative;
  width: 100%;
  overflow: hidden;
}


.m_sw_item {
  padding: 0.5rem;

}

.m_sw_box {
    box-sizing: border-box;
    background: #ffffff;
    border-radius: 0.6rem;
    overflow: hidden;
    box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.3);
}

.m_sw_content {
  padding: 0.8rem;
  min-height: 18vh;
}

.m_sw_img {
  box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
}

.m_sw_content h3 {
  line-height: 1.5;
  font-size: 1.4rem;
  font-weight: 500;
}

.m_sw_content p {
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.5;
}