* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.content_txt {
  width: 1420px;
  padding-left:220px ;
  font-size: 14px
}
.content_act {
  width: 1200px !important;
  padding-left:0 !important ;
  margin: 0 auto !important ;
}
.hot_icon {
  position: absolute;
  top: -4px;
  left: -4px;
  width: 27px;
  height: 24px;
  background-image: url(data:image/png;base64,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);
  background-size: 100% 100%;
}
.list_box{
  position: sticky;
  left: -150px;
  top: 40px;
}
.left_list {
  /* box-shadow: 3px 3px 8px 2px rgba(0, 0, 0, 0.3); */
  padding: 10px;
  border-radius: 6px;
  background-color: #f0f0f0;
  position: absolute;
  left: -160px;
  top: 6px;
  max-height: 500px;
  overflow-y: auto;
  scrollbar-width: none;
  -moz-scrollbar-width: none; /* 兼容旧版本 Firefox */
}
.banner {
  width: 100%;
  height: auto;
  padding-top: 48px;
}
.banner img{
  width: 100%;
  height: auto;
}
.content_box {
  width: 1300px;
  min-height: 500px;
  margin: 0 auto;
  padding-top: 20px;
  position: relative;
}
.tab {
  width: 1000px;
  height: 50px;
  border-radius: 40px;
  background-color: #fff;
  box-shadow: 3px 3px 8px 2px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: -30px auto 10px;
  position: relative;
  z-index: 9;
}
a {
  text-decoration: none;
  color: inherit;
  cursor: auto;
  cursor: pointer;
}
.item {
  width: 330px;
  position: relative;
  height: 60px;
  margin-top: 10px;
  padding: 10px 15px 0;
  background: url(https://www.buluai.cn/assets/news-bg-caa761e7.png);
  background-size: 100% 100%;
  text-align: justify;
}
.article_title {
  overflow: hidden;
  transition: color 0.3s ease;
  color: #333;
  font-size: 14px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: pointer;
}
.txt {
  display: -webkit-box;
  height: 16px;
  margin-top: 6px;
  overflow: hidden;
  color: #666;
  font-size: 14px;
  line-height: 1.1;
  text-overflow: ellipsis;
  white-space: normal;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  line-clamp: 1;
  cursor: pointer;
}
.view {
  margin-top: 8px;
  padding-right: 13px;
  float: right;
  background: url(data:image/png;base64,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)
    no-repeat right center;
  background-size: auto 12px;
  color: #4160ef;
  font-size: 14px;
  cursor: pointer;
}
.item h4{
  margin: 0;
}

.head_txt{
  font-size: 18px;
  font-weight: bold;
  line-height: 20px;
}
.color_act{
  color: #4160ef;
}
.tab_item:hover{
  color: #4160ef;
}
.title_color{
  color: #4160ef;
}
.article_title:hover{
  color: #4160ef;
}
.home_main .title {
  font-size: 24px;
  line-height: 2.5;
  text-align: center;
  padding: 0;
  margin: 0;
}
.home_main .time {
  padding-bottom: 30px;
  color: #999;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
}
.time{
  display: none;
}

.callBack{
  background: rgba(0, 0, 0, .2) url(https://sc.buluai.cn/wechat/static/back_left.png) no-repeat center center;
  background-size:50% 50% ;
  width: 30px;
  height: 30px;
  position: fixed;
  top: 30px;
  left: 20px;
  border-radius: 15px;
  z-index: 999999999999;
  display: none;
}
/* 移动端兼容 */
.content_txt img{
  max-width: 100%;
}
.active_tab{
  border-bottom: 3px solid #fff;
}
@media screen and (max-width: 1660px) {
  .content_txt {
    width: 1300px;
    padding-left:250px ;

  }
  .left_list {

   left: -80px;

  }
  .item{
    width: 300px;
  }
}
@media screen and (max-width: 1500px) {
  .content_txt {
    width: 1300px;
    padding-left:300px ;
  }
  .left_list {
   left: -20px;
  }
  .item{
    width: 280px;
  }
}
@media screen and (max-width: 768px) {
  .banner{
    display: none;
  }
  .list_box{
    display: none;
  }
  .tab{
    display: none;
  }
  .content_txt{
    width: 100vw !important;
    padding: 0 10px !important;
  }

  .content_box {
    width: 100vw;
    /* padding: 5px; */
  }
  .home_main .title{
    font-size: 18px;
  }
  .callBack{
    display: block;
  }
}