body {
  background: #fff;
}

.haderht {
  background: rgba(31, 37, 38, 0.75);
  height: 35px;
}

.haderht .hesder {
  width: 1100px;
  margin: 0 auto;
}

.haderht .hesder ul {
  padding-top: 7px;
}

.haderht .hesder ul li {
  float: left;
  margin-right: 22px;
  color: #FFFFFF;
  font-size: 14px;
}

.haderht .hesder ul li a {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #FFFFFF;
  letter-spacing: 0;
}

.haderht .hesder ul li a:hover {
  color: #ffc107;
}

.haderht .hesder ul li:nth-child(2) {
  width: 36%;
}

.haderht .hesder ul li:nth-child(3) {
  margin-left: 10%;
}

.haderht .hesder ul li:nth-child(4) {
  float: right;
}

.haderht .hesder .key {
  border-color: #6d6d6d;
  border-bottom: 1px #eee solid;
  margin: 5px 0;
}

.nott #box {
  width: 100%;
  height: 450px;
  position: relative;
}

.nott #box .box-nav {
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.nott #box .box-nav ul {
  width: 1000000000000%;
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
}

.nott #box .box-nav ul li {
  overflow: hidden;
  float: left;
  line-height: 450px;
  text-align: center;
}

.nott #box .box-nav ul li img {
  width: 100%;
}

.nott #box .box-nav ol {
  position: absolute;
  left: 0;
  bottom: 10px;
  width: 100%;
  text-align: center;
  font-size: 0;
}

.nott #box .box-nav ol li {
  display: inline-block;
  width: 12px;
  height: 12px;
  background-color: #fff;
  margin: 0 4px;
  border-radius: 50%;
  cursor: pointer;
}

.nott #box .box-nav ol .current {
  background-color: red !important;
}

.middle {
  width: 100%;
  background: rgba(31, 37, 38, 0.75);
  padding-bottom: 10px;
}

.middle .middle-nav {
  width: 1100px;
  height: 40px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.middle .middle-nav .uul {
  text-align: center;
}

.middle .middle-nav .uul li {
  display: inline-block;
  height: 40px;
  padding: 0 20px;
}

.middle .middle-nav .uul li a {
  display: block;
  height: 40px;
  line-height: 40px;
  text-align: center;
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #ffc107;
  letter-spacing: 0;
}

.middle .middle-nav .uul li .dn {
  display: none;
}

.middle .middle-nav .uul li .nav_dd {
  position: absolute;
  padding-top: 9px;
  min-width: 100px;
  color: #ffffff;
  font-size: 14px;
  line-height: 45px;
  text-align: center;
  background: rgba(31, 37, 38, 0.75);
}

.middle .middle-nav .uul li .nav_dd a {
  display: block;
  height: 44px;
  text-align: left;
  color: #fff;
  padding: 0 18px;
}

.middle .middle-nav .uul li .nav_dd a:hover {
  background: #bbbbbb;
  color: #666;
}

.middle .middle-nav .uul li .cur {
  color: #fff;
  border-bottom: 1px solid #ffff;
}

.middle .middle-nav .uul li:hover .ap {
  color: #fff;
  border-bottom: 1px solid #ffff;
}

.middle .middle-nav .uul li:hover .dn {
  display: block;
}