.btn-outline:hover,
.btn-outline:focus,
.btn-outline:active {
  color: #0983aa;
}

/* app介绍 */
#portfolio{
    margin-top: 50px;
}
.app_introduce .row {
  margin: 20px 0;
}
@media (max-width: 767px) {
  .app_introduce .row {
    margin-bottom: 80px;
  }
}
.app_introduce h2 {
  font-size: 30px;
}
.app_introduce .col-md-4 {
  background-color: floralwhite;
}
@media (min-width: 767px) {
  .app_introduce .col-md-8 {
    padding-left: 80px;
  }
}
.app_introduce img {
  width: 100%;
  border-radius: 20px;
}
.app_introduce p {
  font-size: 20px;
  text-indent: 40px;
}
@media (max-width: 767px) {
  .app_introduce h3 {
    text-align: center;
  }
}

section.success {
  background: #0983aa;
}


.file_download{
  margin: 0 15%;
}
.file_download .jumbotron{
  padding:48px;
}
@media (max-width: 767px) {
  .file_download{
    margin: 0 5%;
  }
}

/* 页脚 */
.text-center a {
  color: #fff;
}