body{
  margin : 0;
  background: white;
}
.null {
    flex: 1;
}
.trs{
  transition: .5s;
}
.cur_po{
  cursor: pointer;
}
.title {
  padding: 10px 0;
  width: 100%;
  margin-bottom : 10px;
  display: flex;
  background: white;
  z-index: 2;
  position: relative;
}
.title>p{
  margin: 0;
  padding-bottom : 10px;
  border-bottom: 2px solid #2471a8;
}
.title1{
  margin-right: auto !important;
  font-size: 25px;
  color: #155295;
}
.title2{
  font-size: 13px;
  align-self: flex-end;
  display: block;
}
sub{
  font-size: 15px;
}
article {
  margin: auto;
  max-width: 1335px;
  position: relative;
  z-index: 0;
}
section{
  background: transparent;
  padding: 20px;
  padding-top: 10px;
  position: relative;
  z-index: -5;
  min-height: 700px;
}
#loading_div {
  height: 500px;
  display: none;
}
#loading_div img{
  animation: loading_image 2s ease-out infinite;
  transform-origin: 50% 50%;
}
@keyframes loading_image{
	100% {
    	transform: rotate(360deg);
    }
}
@media screen and (max-width: 800px) {
  article {
    width: 100%;
    padding-top: 50px;
  }
  .title2{
    display: none;
  }
}