.top_nav {
  width: 100%;
  height: 72px;
  background: #FFFFFF;
  position: relative;
  overflow: hidden;
}
.top_nav .banxin {
  margin: 0 auto;
  width: 1200px;
}
.top_nav .banxin .main {
  display: flex;
  margin: 16px 0;
}
.top_nav .banxin .main .logo_img {
  width: 162px;
  height: 40px;
}
.top_nav .banxin .main .nav {
  flex: 1;
  height: 40px;
  line-height: 40px;
  margin-left: 152px;
}
.top_nav .banxin .main .nav ul {
  margin: 0;
  display: flex;
}
.top_nav .banxin .main .nav ul li {
  list-style: none;
  margin-right: 40px;
}
.top_nav .banxin .main .nav ul li a {
  text-decoration: none;
}
.top_nav .banxin .main .nav ul li a.action {
  border-bottom: 4px solid #2F318B;
  padding-bottom: 4px;
}


.top_nav .banxin .main .nav ul li:last-child {
  margin-right: 0;
}
.top_nav .banxin .main .login {
  width: 88px;
  height: 40px;
  background: #F0F3FF;
  border-radius: 97px 97px 97px 97px;
  opacity: 1;
  margin-right: 40px;
}
.top_nav .banxin .main .login .text {
  text-align: center;
  line-height: 40px;
}
.top_nav .banxin .main .tryOnce {
  width: 120px;
  height: 40px;
  background: rgba(255, 255, 255, 0.16);
  border-radius: 97px 97px 97px 97px;
  opacity: 1;
  border: 2px solid #3D68FF;
}
.top_nav .banxin .main .tryOnce .text {
  text-align: center;
  line-height: 40px;
}