* {
  padding: 0;
  margin: 0;
}
ul,
li {
  padding: 0;
  list-style: none;
}
a {
  text-decoration: none;
}
.main {
  width: 100%;
  height: 2480px;
  background: url(/rednanjing/hsbb/zt/ly/material/images/lyxlhswwdsp-20250328-bg.jpg) center top no-repeat;
  background-size: 1980px 2480px;
}
.page1200 {
  width: 1200px;
  margin: 0 auto;
  padding-top: 937px;
}
.page1200 .one {
  position: relative;
  width: 100%;
  height: 534px;
}
.page1200 .one video {
  width: 846px;
  height: 480px;
  border: 5px solid #ffe35e;
}
.page1200 .one .nav {
  position: absolute;
  right: 0;
  top: 0;
  width: 398px;
  overflow: hidden;
  padding-top: 30px;
  height: 504px;
}
.page1200 .one .nav li {
  width: 388px;
  height: 81px;
}
.page1200 .one .nav li img {
  display: block;
  width: 388px;
  height: 81px;
}
.page1200 .one .nav li.cur {
  opacity: 0.75;
}
.page1200 .two {
  width: 1200px;
  padding-top: 50px;
  line-height: 180%;
  font-size: 24px;
  color: #000;
  text-indent: 48px;
}