.header_index {
  background-color: #fff;
  height: 120px;
  border-spacing: 0;
  margin: 0;
  padding: 0;
  position: relative;
  width: 100%;
}
.w1200 {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.col4 {
  color: rgb(0, 159, 233);
}
.cip {
  cursor: pointer;
}
.h120 {
  height: 120px;
}
.head_item {
  height: 50px;
  line-height: 50px;
  text-align: center;
  font-size: 16px;
  color: #2b2b2b;
  min-width: 60px;
  margin: 0 30px;
  cursor: pointer;
}
.head_item.active {
  color: #009fe9;
}
.head_item:hover {
  color: #009fe9;
}
.btn_head {
  margin: 10px;
  width: 115px;
  height: 27px;
  line-height: 27px;
  background: #00a0e9;
  color: #fff;
  text-align: center;
  font-size: 14px;
}
.btn_head + .btn_head {
  margin-left: 20px;
}
.swiper {
  width: 100%;
  height: 900px;
}
.swiper-button-next {
  background-image: url(/assets/img/index/aft.png);
}
.swiper-button-prev {
  background-image: url(/assets/img/index/pre.png);
}
.banner1 {
  width: 100%;
  height: 900px;
  background-image: url(/assets/img/index/banner.jpg);
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  position: relative;
}
.see_more {
  position: absolute;
  top: 721px;
  left: 50%;
  width: 310px;
  height: 96px;
  cursor: pointer;
  font-size: 20px;
  background-image: url(/assets/img/index/arrow_down.png);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: 100% 100%;
  color: #fff;
  font-size: 28px;
  text-align: center;
  padding-top: 14px;
  line-height: 40px;
  transform: translateX(-50%);
}
.banner2 {
  width: 100%;
  height: 900px;
  background-image: url(/assets/img/index/banner2.jpg);
  background-size: 100% 100%;
  background-position: center center;
  background-repeat: no-repeat;
  position: relative;
}
.tips1 {
  width: 1200px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  height: 900px;
  padding-top: 150px;
  text-align: center;
}
.tips2 {
  position: absolute;
  top: 179px;
  left: 70%;
  width: 520px;
  height: auto;
  white-space: pre-wrap;
  font-size: 78px;
  color: #fff;
  line-height: 54px;
}
.fs48 {
  font-size: 48px;
}
.lh64 {
  line-height: 64px;
}
.lh48 {
  line-height: 48px;
}
.aa + .aa {
  margin-top: 48px;
}
.mt48 {
  margin-top: 48px;
}
.h200 {
  height: 200px;
}

.show {
  width: 224px;
  height: auto;
  display: block;
  margin: 5px;
}
.pt100 {
  padding-top: 100px;
}
.code {
  width: 400px;
  height: auto;
  margin-left: auto;
  margin-right: auto;
  display: block;
  margin-top: 20px;
}
.pb200 {
  padding-bottom: 200px;
}
.footer {
  width: 100%;
  background-color: #333;
  height: 212px;
}
.left_item {
  color: rgb(153, 153, 153);
  font-size: 15px;
  cursor: pointer;
}
.aa1 {
  color: rgb(153, 153, 153);
}
.lh26 {
  line-height: 36px;
}
.pt51 {
  padding-top: 60px;
}