.main {
  position: relative;
  top: 0;
  left: 0;
  height: 40rem;
  width: 100%;
  background: url('https://static.web.sdo.com/gmys/20191112_zn/m/bg.jpg')
    no-repeat center/cover;
}

.section {
  position: relative;
  top: 0;
  left: 0;
  overflow: hidden;
  margin: 0 auto;
}
.sec0 {
  height: 11.86rem;
}
.sec0 .logo_w {
  text-align: center;
}
.sec0 .logo {
  width: 3.1rem;
  margin: 0 auto;
  margin-top: 0.55rem;
}

.sec0 .enter_w {
  text-align: center;
  margin-top: 7.8rem;
}

.sec0 .enter_w a > img {
  width: 3.07rem;
}
.sec1 {
  height: 9.35rem;
}
.sec1 .title {
  margin-top: 0.5rem;
  text-align: center;
}
.sec1 .title > img {
  width: 5.09rem;
}
.sec3 .pos_w,
.sec2 .pos_w,
.sec1 .pos_w {
  width: 100%;
  height: 0.6rem;
}
.sec2 .pos_w ul,
.sec3 .pos_w ul,
.sec1 .pos_w ul {
  position: relative;
  top: 0;
  left: 0;
  width: 7.1rem;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  margin-top: 0.44rem;
}
.sec2 .pos_w ul::before,
.sec3 .pos_w ul::before,
.sec1 .pos_w ul::before {
  position: absolute;
  content: '';
  top: 0;
  left: 50%;
  width: 5.4rem;
  margin-left: -2.7rem;
  height: 0;
  border-top: 1px dashed #ff8400;
}
.sec2 .pos_w ul li,
.sec3 .pos_w ul li,
.sec1 .pos_w ul li {
  position: relative;
  top: 0;
  left: 0;
  flex: 1;
  text-align: center;
  padding-top: 0.15rem;
  z-index: 2;
}
.sec2 .pos_w ul li span,
.sec3 .pos_w ul li span,
.sec1 .pos_w ul li span {
  font-size: 0.24rem;
  color: #ff8400;
}
.sec2 .pos_w ul li.show span,
.sec3 .pos_w ul li.show span,
.sec1 .pos_w ul li.show span {
  color: #fff;
  background: #ff8400;
  border-radius: 0.12rem;
  padding: 0.04rem 0.18rem;
  vertical-align: middle;
}
.sec2 .pos_w ul li.show i,
.sec3 .pos_w ul li.show i,
.sec1 .pos_w ul li.show i {
  width: 0.2rem;
  height: 0.2rem;
  border-radius: 50%;
  background: #ff8400;
  display: inline-block;
  vertical-align: middle;
}
.sec2 .pos_w ul li em,
.sec3 .pos_w ul li em,
.sec1 .pos_w ul li em {
  position: absolute;
  top: -0.05rem;
  left: 50%;
  margin-left: -0.06rem;
  width: 0.12rem;
  height: 0.12rem;
  border-radius: 50%;
  border: 1px solid #ff8400;
  background: #fff;
  display: inline-block;
  box-sizing: border-box;
}
.sec2 .img_w,
.sec3 .img_w,
.sec1 .img_w {
  position: relative;
  top: 0;
  left: 0;
  margin: 0 auto;
  margin-top: 0.25rem;
  width: 7.12rem;
  height: 3.69rem;
}
.sec2 .img_w img,
.sec3 .img_w img,
.sec1 .img_w img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  opacity: 0;
  transition: opacity 0.3s;
  border-radius: 0.14rem;
}
.sec2 .img_w img.show,
.sec3 .img_w img.show,
.sec1 .img_w img.show {
  opacity: 1;
  z-index: 2;
}
.sec3 .info_w,
.sec1 .info_w {
  margin-top: 0.3rem;
  position: relative;
  top: 0;
  left: 0;
  height: 2rem;
}
.sec3 .info_w p,
.sec1 .info_w p {
  position: absolute;
  top: 0;
  left: 0;
  color: #ff8400;
  font-size: 0.24rem;
  opacity: 0;
  transition: opacity 0.3s;
  padding: 0 0.2rem;
  box-sizing: border-box;
}
.sec3 .info_w p span,
.sec1 .info_w p span {
  font-weight: bold;
}
.sec3 .info_w p.show,
.sec1 .info_w p.show {
  opacity: 1;
  z-index: 2;
  font-size: 0.24rem;
}

.sec2 {
  height: 8.9rem;
}
.sec2 .title {
  margin-top: 0.5rem;
  text-align: center;
}
.sec2 .title > img {
  width: 3.89rem;
}

.sec2 .inf {
  font-size: 0.24rem;
  color: #fff;
  padding: 0.2rem 0.3rem;
  box-sizing: border-box;
}

.sec2 .pos_w ul {
  width: 3.8rem;
}
.sec2 .pos_w ul::before {
  width: 1.8rem;
  margin-left: -0.9rem;
  border-color: #fff;
}
.sec2 .pos_w ul li span {
  color: #fff;
  font-size: 0.18rem;
  padding: 0.04rem 0.1rem;
}
.sec2 .pos_w ul li.show span {
  background: #fff;
  color: #65c1fb;
  padding: 0.04rem 0.1rem;
}
.sec2 .pos_w ul li.show i {
  background: #fff;
}
.sec2 .pos_w ul li em {
  border-color: #fff;
  background: #65c1fb;
}

.sec3 .title {
  margin-top: 0.5rem;
  text-align: center;
}
.sec3 .title > img {
  width: 3.89rem;
}

.sec3 .pos_w ul {
  width: 3.8rem;
}
.sec3 .pos_w ul::before {
  width: 1.8rem;
  margin-left: -0.9rem;
}