body {
  background-color: #fff;
}
.nav {
  width: 840px;
  border-bottom: solid 1px #E7E7E7;
  height: 56px;
  line-height: 56px;
  margin-bottom: 24px;
}
.nav .nav-item {
  color: #999;
  font-size: 20px;
  margin-right: 50px;
  float: left;
  display: inline;
  cursor: pointer;
}
.nav .nav-item.on {
  color: #131313;
  cursor: default;
}
.list .list-item {
  border-bottom: solid 1px #E7E7E7;
  padding-bottom: 25px;
  margin-bottom: 24px;
}
.list .list-item .thumb {
  width: 210px;
  height: 140px;
  display: inline;
  float: left;
  margin-right: 30px;
}
.list .list-item .title {
  font-size: 20px;
  font-family: MicrosoftYaHei;
  color: #131313;
  line-height: 26px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.list .list-item .desc {
  margin-top: 16px;
  margin-bottom: 20px;
  font-size: 13px;
  font-family: MicrosoftYaHei;
  color: #666;
  line-height: 17px;
  height: 34px;
  word-break: break-all;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.list .list-item .new {
  background-color: #00D9BE;
  padding: 4px;
  color: #fff;
  font-size: 14px;
}
.list .list-item .author,
.list .list-item .date {
  font-size: 12px;
  font-family: MicrosoftYaHei;
  color: #999;
  line-height: 16px;
}
.fast .fast-head {
  font-size: 16px;
  font-family: MicrosoftYaHei;
  font-weight: bold;
  color: #131313;
  line-height: 57px;
  height: 57px;
  position: relative;
  border-bottom: solid 1px #E7E7E7;
}
.fast .fast-head .curr {
  width: 92px;
  height: 3px;
  background-color: #0069d9;
  position: absolute;
  left: 0;
  bottom: 0;
}
.fast .fast-ul {
  width: 300px;
  height: 376px;
  background: #fbfbfb;
  overflow-x: hidden;
  overflow-y: auto;
}
.fast .fast-ul li {
  padding: 0 20px;
  margin-bottom: 16px;
}
.fast .fast-ul li:first-child {
  margin-top: 16px;
}
.fast .fast-ul li .content {
  word-break: break-all;
  display: -webkit-box;
  overflow: hidden;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  max-height: 48px;
  font-size: 12px;
  font-family: MicrosoftYaHei;
  color: #666666;
  line-height: 16px;
}
.fast .fast-ul li .date {
  height: 16px;
  font-size: 12px;
  font-family: MicrosoftYaHei;
  color: #c2c2c2;
  line-height: 16px;
  margin-top: 10px;
}
.new-title {
  font-size: 24px;
  font-family: MicrosoftYaHei;
  font-weight: bold;
  margin-bottom: 13px;
}
.date2 {
  font-size: 12px;
  font-family: MicrosoftYaHei;
  color: #9b9b9b;
  line-height: 16px;
}
.share {
  font-size: 13px;
  font-family: PingFangSC;
  font-weight: 400;
  color: #b3b3b3;
  line-height: 18px;
}
.pre {
  width: 348px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 23px;
}
.hot-item {
  width: 240px;
  height: 17px;
  font-size: 13px;
  font-family: MicrosoftYaHei;
  color: #666666;
  line-height: 17px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  float: left;
  display: inline;
}
.num_sort {
  width: 14px;
  height: 14px;
  float: left;
  display: inline;
  margin-right: 2px;
  color: #fff;
  font-size: 12px;
  line-height: 14px;
  background-color: #C2C2C2;
  text-align: center;
}
.num_sort.sort_1 {
  background-color: #FF4545;
}
.num_sort.sort_2 {
  background-color: #FF6F45;
}
.num_sort.sort_3 {
  background-color: #FFA745;
}