li::marker {
  content: ' ';
}
.nav_con {
  width: 100vw;
  min-width: 350px;
  position: fixed;
  top: 0;
  left: 0;
  transition: all 200ms;
  z-index: 9999;
  padding: 0 30px;
  font-family: '阿里妈妈方圆体';
}
.nav_con .inner_nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1288px;
  width: 100%;
  margin: auto;
}
.nav_con .inner_nav .logo {
  height: 50px;
  cursor: pointer;
}
.nav_con .inner_nav .nav_list {
  height: 75px;
  display: flex;
  align-items: center;
}
.nav_con .inner_nav .nav_list .nav_item {
  padding: 0 20px;
  font-size: 18px;
  font-weight: bold;
  color: #ffffff;
}
.nav_con .inner_nav .nav_list .nav_item a {
  display: block;
  cursor: pointer;
  position: relative;
  color: #ffffff;
}
.nav_con .inner_nav .nav_list .nav_item a::after {
  content: '';
  height: 3px;
  position: absolute;
  left: -3px;
  right: -3px;
  bottom: -8px;
  background-color: #ffc83e;
  border-radius: 3px;
  transition: all 200ms;
  scale: 0 1;
}
.nav_con .inner_nav .nav_list .nav_item a:hover::after {
  transition: all 0.3s;
  scale: 1;
}
.nav_con .inner_nav .nav_list .nav_item .active::after {
  transition: all 0.3s;
  scale: 1;
}
.nav_con1 {
  background-color: #ffffff;
  box-shadow: 0 1px 2px #f2f2f2;
}
.nav_con1 .inner_nav .nav_list .nav_item {
  color: #2b59ff;
}
.nav_con1 .inner_nav .nav_list .nav_item a {
  color: #2b59ff;
}

@media (max-width: 1000px) {
  .nav_con {
    height: 60px;
    top: auto;
    bottom: 0;
    padding: 0;
    background-color: #ffffff;
    box-shadow: 0 -1px 2px #f2f2f2;
  }
  .nav_con .inner_nav .logo {
    display: none;
  }
  .nav_con .inner_nav .nav_list {
    width: 100%;
    height: 60px;
    justify-content: space-around;
  }
  .nav_con .inner_nav .nav_list .nav_item {
    padding: 0;
    color: #2b59ff;
  }
  .nav_con .inner_nav .nav_list .nav_item a {
    color: #2b59ff;
  }
}
@media (max-width: 767px) {
  .nav_con .inner_nav .nav_list .nav_item {
    font-size: 16px;
  }
}
@media (max-width: 550px) {
  .nav_item1 {
    display: none;
  }
  .nav_con .inner_nav .nav_list .nav_item {
    font-size: 16px;
  }
}