.details_box .bd {
  padding: 0 60px;
}
.details_panel {
  padding: 40px 0;
}
.details_left {
  float: left;
  width: 900px;
}
.details_right {
  float: right;
  width: 290px;
}
.details_title {
  font-size: 20px;
  font-weight: bold;
}
.details_date {
  font-size: 16px;
  color: #999;
  padding: 5px 0;
}
.details_content {
  padding-top: 10px;
  margin-right: 40px;
}
.details_content,
.details_content p {
  font-size: 16px;
  color: #666;
  line-height: 1.8;
}
.details_content img {
  width: auto;
  display: block;
  margin: 24px auto;
}

.sider_title {
  font-size: 16px;
  color: #666;
  font-family: SimSun;
}
.sider_panel {
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.15);
  padding: 24px 15px;
  margin-top: 15px;
}
.sider_panel h3 {
  position: relative;
  font-size: 16px;
  line-height: 1;
  padding-bottom: 20px;
  border-bottom: 1px solid #ccc;
}
.sider_panel h3::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 0;
  bottom: 20px;
  width: 5px;
  background-color: #c59e3f;
}
.sider_panel ul {
  padding-top: 10px;
}
.sider_panel li {
  margin: 14px 0;
  padding: 0 10px;
  position: relative;
  line-height: 1.6;
}
.sider_panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: #c59e3f;
}
@media screen and (max-width: 768px) {
  .details_box .bd {
    padding: 0;
  }
  .details_panel {
    padding: 20px 0;
  }
  .details_left {
    float: none;
    width: 100%;
    padding-right: 0;
  }
  .details_right {
    display: none;
  }
  .details_title {
    font-size: 18px;
  }
  .details_date {
    font-size: 14px;
    padding: 4px 0;
  }
  .details_content {
    padding-top: 5px;
  }
  .details_content,
  .details_content p {
    font-size: 14px;
    line-height: 1.6;
  }
  .details_content img {
    width: 100%;
    display: inline-block;
    margin: 12px 0;
  }
}