* {
  box-sizing: border-box;
}
body {
  background: white;
  width: 100%;
  overflow-x: hidden;
}
.contact h2 {
  font-size: 24px;
  color: #333;
  margin-bottom: 20px;
  margin-top: 30px;
}
.contact p {
  color: #777;
  line-height: 30px;
}
.contact a {
  color: #777;
  text-decoration: none;
}
.contact .map {
  margin-top: 30px;
}
.box img.qq_img {
  width: 80px;
}
#dituContent{
  border:#ccc solid 1px;
  height:500px;
}
@media (max-width:1280px){
  .contact h2 {
    font-size:18px;
  }
}
@media (max-width:576px){
  #dituContent{
    height:300px;
  }
}