.Head_nav {
  width: 1200px;
  height: 100%;
  margin: auto;
}
.Head_nav .Sus_style {
  letter-spacing: 1px;
}
.Head_nav .Sus_style a {
  color: #5e5e5e;
}
.Head_nav .Sus_style:hover a {
  color: #2568F4;
}
.Head_nav img {
  position: relative;
  top: 22px;
}
.Head_nav .Right_Nav {
  float: right;
  height: 100%;
  margin-right: 20px;
}
.Head_nav .Right_Nav div {
  display: inline-block;
  height: 100%;
  padding: 0px 5px;
  font-size: 16px;
  line-height: 80px;
  margin: 0px 16px;
  position: relative;
  cursor: pointer;
}
.Head_nav .Right_Nav div a {
  display: inline-block;
  height: 100%;
}
.Head_nav .Right_Nav .home_txt {
  position: relative;
  font-weight: bold;
}
.Head_nav .Right_Nav .home_txt a {
  color: #2568F4;
}
.Head_nav .Right_Nav .home_txt span {
  position: absolute;
  bottom: 8px;
  left: 0px;
  display: inline-block;
  width: 100%;
  height: 2px;
  background-color: #2568F4;
}
.Head_nav .Right_Nav .Download_paper {
  padding: 0px;
  margin-right: 0px;
  width: 98px;
  height: 32px;
  line-height: 32px;
  text-align: center;
  font-size: 14px;
  color: #FFFFFF;
  background: linear-gradient(270deg, #3AADFF 0%, #2568F4 100%);
  border-radius: 24px 24px 24px 24px;
}
.Head_nav .Right_Nav .Download_paper:hover {
  background: linear-gradient(90deg, #3AADFF 0%, #2568F4 100%);
}
.Head_nav .Right_Nav .Download_paper a {
  color: #FFFFFF;
}
.navigation_bar {
  height: 80px;
}
.Example_leftnavigation {
  top: 98px;
}
.Sample_Graduation_Thesis .All_contentsample {
  margin-top: 98px;
}