/*reset*/
ul{
  list-style: none;
  padding: 0;
  margin:0;
  background-color:aqua; 
  background: linear-gradient(to right, aqua, white);
}
li{
  padding: 0;
  margin: 0;
}
/*tool*/
.fl{
  float:left;
}
.fr{
  float:right;
}
.clearfix:after{
  content:"";
  display:block;
  clear:both;
}
/*main*/
.nav-li .contact{
  padding: 16px 20px;
  color:black;
  display:block;
  text-decoration: none;
  font-size: 14px;
  line-height: 18px;
}
.nav-li .contact:hover{
  color:#ffffff;
  background-color: #404040;
}
.nav{
  position: relative;
}
.drop-box{
  position: absolute;
  top:50px;
  background-color: aquamarine;
  min-width: 110px;
}
.drop-box a{
  padding: 8px 20px;
  color:black;
  display: block;
  text-decoration: none;
  font-size: 12px;
}
.drop-li-button{
  padding: 8px 20px;
  margin: 0;
  border: none;
  background-color: aqua;
}
.ul-button{
  padding:16px 20px;
  margin:0;
  background-color: aqua;
  border: none;
  font-size: 14px;
}
.h1-1{
  font-family:"黑体";
  color:rgb(255, 0, 0);
  font-size:47px;
}
.h2-1{
  font-family:"黑体";
  color:white;
  font-size:23.5px;
}
.up-bu{
  font-family: "黑体";
  margin:0;
  border: 0;
  font-size: 14px;
  background-color: chocolate;
  padding: 16px 20px;
}
.up-bu2{
  font-family: "黑体";
  margin:0;
  border: 0;
  font-size: 14px;
  background-color: chocolate;
  padding: 16px 20px;
}
.up-bu3{
  font-family: "黑体";
  margin:0;
  border: 0;
  font-size: 14px;
  background-color: chocolate;
  padding: 16px 20px;
}
.button1{
  font-family: "黑体";
  margin:0;
  border: 0;
  font-size: 14px;
  background-color: rgb(30, 63, 210);
  padding: 16px 20px;
  color:#ffffff;
}
.div2{
    box-sizing: border-box;
    padding-top: 10px;
    padding-bottom: 10px;
    border: 2px solid rgb(0, 0, 0);
}
.ul2{
  background-color: #ffffff;
}
.url1{
  font-size: 20px;
  background-color:bisque;

}