.banner_cont {
  height: 380px;
}
.pro_tab_cont {
  text-align: center;
  margin-top: 50px;
}
.pro_tab_cont span {
  padding: 15px 60px;
  font-size: 16px;
  display: inline-block;
  margin: 0 20px;
  transition: 0.5s;
  cursor: pointer;
  letter-spacing: 1px;
  border: 1px solid #ff6a64;
}
.pro_tab_cont span a {
  color: #666;
}
.pro_tab_cont span:hover {
  background: #ff6a64;
  color: #fff;
  transition: 0.5s;
  border: border:1px solid #fff;
}
.pro_tab_cont span:hover a {
  color: #fff;
}
.pro_tab_cont span.active {
  background: #ff6a64;
  color: #fff;
  border: border:1px solid #fff;
}
.pro_tab_cont span.active a {
  color: #fff;
}
.problem_list_cont {
  margin-top: 100px;
}
.problem_list_cont .pro_item {
  margin-bottom: 20px;
  box-sizing: border-box;
  padding: 20px;
  background: #fff;
  transition: .5s;
  border: 1px solid #ddd;
}
.problem_list_cont .pro_item a {
  display: block;
  overflow: hidden;
  height: 152px;
}
.problem_list_cont .pro_item a .pro_pic {
  float: left;
  width: 202px;
  height: 152px;
  overflow: hidden;
}
.problem_list_cont .pro_item a .pro_little_info {
  float: left;
  width: 780px;
  margin-left: 40px;
  height: 100%;
  color: #666;
}
.problem_list_cont .pro_item a .pro_little_info h4 {
  font-size: 16px;
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.problem_list_cont .pro_item a .pro_little_info p {
  font-size: 14px;
  line-height: 26px;
  margin-top: 20px;
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.problem_list_cont .pro_item a .pro_little_info span {
  font-size: 14px;
  margin-top: 20px;
  display: block;
  color: #999;
}
.problem_list_cont .pro_item a .pro_time {
  float: right;
  width: 100px;
  height: 100%;
  text-align: center;
}
.problem_list_cont .pro_item a .pro_time i {
  height: 100%;
  display: inline-block;
  vertical-align: middle;
}
.problem_list_cont .pro_item a .pro_time .time_ {
  display: inline-block;
  height: auto;
  vertical-align: middle;
}
.problem_list_cont .pro_item a .pro_time .time_ span {
  display: block;
  color: #ddd;
}
.problem_list_cont .pro_item a .pro_time .time_ span:nth-child(1) {
  font-size: 40px;
  color: #ddd;
  line-height: 45px;
  border-bottom: 1px solid #ddd;
}
.problem_list_cont .pro_item a .pro_time .time_ span:nth-child(2) {
  font-size: 18px;
}
.problem_list_cont .pro_item:hover {
  background: #ff6a64;
  transition: .5s;
  border: 1px solid #ff6a64;
}
.problem_list_cont .pro_item:hover a .pro_little_info {
  color: #fff;
}
.problem_list_cont .pro_item:hover a .pro_little_info span {
  color: #fff;
}
.problem_list_cont .pro_item:hover a .pro_time .time_ span {
  color: #fff;
}

.problem_list_cont2 {padding-bottom: 45px;margin-top: 35px;}
.problem_list_cont2 ul li{float: left;width: 30%;margin-right: 3%;border-bottom: 1px solid #ddd;line-height: 30px;margin-bottom: 5px;height: 30px; line-height:30px;overflow:hidden;}
.problem_list_cont2 ul li b{font-weight: 400;}