.main .nav a:nth-child(4) {
  padding-bottom: 0.0625rem;
  border-bottom: 0.06rem solid #004098;
  color: #004098;
}

.guide .footer .box{
  width: 75%;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.guide .footer .box .son {
  width: 4.5rem;
  height: 11rem;
  text-align: center;
}

.guide .footer .box .son p {
  font-size: 0.45rem;
  line-height: 0.8rem;
}

.guide .footer .box .son img {
  width: 100%;
  height: 10rem;
}

.guide .footer .box .son2 {
  width: 9rem;
  height: 11rem;
  padding: 0.375rem;
  border-radius: 0.3125rem;
  background:linear-gradient( 45deg,#b2ccf0,#c7dcfb,#b2ccf0);
}

.guide .footer .son2 .left-son {
  display: flex;
  margin-bottom: 0.7rem;
}

.guide .footer .son2 h1 {
  font-size: 0.45rem;
  padding-bottom: 0.625rem;
}

.guide .footer .son2 i {
  display: inline-block;
  width: 0.375rem;
  height: 0.375rem;
  border-radius: 50%;
  background-color: #004098;
  margin-right: 0.1875rem;
  margin-top: 0.2rem;
}

.guide .footer .son2 p {
  flex: 1;
  font-size: 0.33rem;
  margin: auto 0;
  line-height: 0.8rem;
}

.guide .footer .box2 {
  display: flex;
  width: 75%;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}

.guide .footer .box2 .son {
  width: 35%;
  height: 10rem;
}

.guide .footer .box2 .son img {
  width: 100%;
  height: 100%;
}

.guide .footer .box2 .son2 {
  flex: 1;
  height: 10rem;
  padding: 0.375rem;
  background:linear-gradient( 45deg,#b2ccf0,#c7dcfb,#b2ccf0);
  border-top-right-radius: 0.3125rem;
  border-bottom-right-radius: 0.3125rem;
  
}

.guide .footer .box3 {
  width: 75%;
  margin: 0 auto;
  margin-top: 1rem;
}

.guide .footer .box3 .son {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
  border: 3px solid #004098;
  border-bottom: none;
  border-top-right-radius: 0.375rem;
  border-top-left-radius: 0.375rem;
}

.guide .footer .box3 .son .small {
  width: 6.5rem;
  height: 8.5rem;
  padding: 1rem;
  text-align: center;
}

.guide .footer .box3 .son .small:nth-child(3) img{
  width: 60%;
}



.guide .footer .box3 .son .small img {
  width: 100%;
  height: 5.5rem;
}

.guide .footer .box3 .son .small h2 {
  color: #004098;
  font-size: 0.45rem;
  line-height: 1.5rem;
}

.guide .footer .box3 .son2 {
  background:linear-gradient( 45deg,#b2ccf0,#c7dcfb,#b2ccf0);
  height: 6rem;
  padding: 0.375rem;
  border-bottom-right-radius: 0.375rem;
  border-bottom-left-radius: 0.375rem;
  display: flex;
  align-items: center;
}

.guide .footer .box3 .son2 h1 {
  margin-left: 1rem;
  margin-right: 2rem;
}

.guide .footer .box3 .son2 .right .left-son:last-child {
	margin-bottom: 0;
}

@media only screen and (max-width: 1280px) and (min-width: 768px) {
  .guide .footer .box {
    flex-wrap: wrap;
    justify-content: space-around;
  }

  .guide .footer .box2 {
    flex-direction: column;
    align-items: center;
  }

  .guide .footer .box2 .son {
    width: 75%;
    margin-bottom: 1rem;
  }

  .guide .footer .box2 .son2 {
    width: 75%;
    border-radius: 0.3125rem;
  }

  .guide .footer .box3 .son{
    flex-wrap: wrap;
    justify-content: space-around;
  }

  .guide .footer .box3 .son2 {
    height: 7rem;
  }

  .guide .footer .box3 .son2 h1 {
   
    margin-right: 1rem;
  }

}

@media screen and (max-width: 768px) {
  .guide .footer .box2 {
    flex-direction: column;
    align-items: center;
  }

  .guide .footer .box2 .son {
    width: 75%;
    margin-bottom: 1rem;
  }

  .guide .footer .box2 .son2 {
    width: 75%;
    border-radius: 0.3125rem;
  }

  .guide .footer .box3 .son2 {
    height: auto;
  }
}