* {
  padding: 0;
  margin: 0;
  list-style: none;
  text-decoration: none;
}
/* 头部style start */
.header {
  width: 1200px;
  height: 80px;
  margin: 0 auto;
  display: flex;
  align-items: center;
}
.header a > img {
  height: 40px;
}
.nav_content {
  height: 100%;
  flex: 1;
  justify-content: flex-end;
  align-items: center;
  display: flex;
}
.nav_content > li {
  height: 100%;
  margin-left: 80px;
  position: relative;
}
.nav_content > li > span {
  display: inline-block;
  font-size: 18px;
  color: #333;
  height: 100%;
  line-height: 80px;
  cursor: pointer;
}
.nav_content > li > span.active {
  color: #980000;
}
.nav_content > li:hover span {
  color: #980000;
}
.nav_content > li:hover .level_nav{
  display: block;
}
.level_nav {
  width: 150px;
  background: #fff;
  box-shadow: 0 6px 10px 0 rgb(0 205 150 / 20%);
  position: absolute;
  left: 0;
  top: 80px;
  z-index: 9999;
  display: none;
}
.level_nav > li {
  height: 50px;
  cursor: pointer;
  line-height: 50px;
  font-size: 16px;
}
.level_nav > li a {
  display: block;
  padding-left: 20px;
  color: #333;
  height: 100%;
}
.level_nav > li:hover .common_link{
  background: #980000;
  color: #fff;
}
.last_level_nav {
  width: 180px;
  height: 100%;
  background: #fff;
  position: absolute;
  top: 0;
  left: 150px;
  display: none;
}
.last_level_nav > li {
  background: #fff;
}
.last_level_nav > li a {
  padding-left: 20px;
}
.last_level_nav > li:hover {
  background: #fff;
}
.last_level_nav > li:hover a {
  background: #fff;
  color:#980000;
}
.level_nav > li:hover .last_level_nav {
  display: block;
}
/* 头部style end */

/* 底部style start */
.footer {
  width: 100%;
  min-width: 1400px;
  padding: 30px 0 20px 0;
  background: #292828;
}
.footer > img {
  display: block;
  width: 66px;
  margin: 0 auto;
  margin-bottom: 33px;
}
.footer > p {
  text-align: center;
  font-size: 16px;
  font-family: JiangChengZhengYiTi;
  font-weight: normal;
  color: #FFFFFF;
  margin-top: 22px;
}
.footer > p span{
  width: 1px;
  height: 10px;
  border-left: 2px solid #5E5E5E;
  margin-left: 24px;
  margin-right: 24px;
}
/* 底部style end */
@media screen and (min-width:1280px){
  .header {
    height: 70px;
  }
  .nav_content > li > span {
    line-height: 70px;
  }
  .level_nav {
    top: 70px;
  }
}
@media screen and (min-width:1000px) and (max-width:1280px){
  .header {
    height: 57px;
  }
  .nav_content > li > span {
    line-height: 57px;
  }
  .level_nav {
    top: 57px;
  }
}
@media screen and (max-width:1000px){ 
  .header {
    height: 50px;
  }
  .nav_content > li > span {
    line-height: 50px;
  }
  .level_nav {
    top: 50px;
  }
}