.content-txt {
  background: #eee;
  min-height: 42.5vh;
}

.container {
  width: 1180px;
  padding: 42px 0;
  margin: 0 auto;
}

.container .nav .breadcrumb {
  display: flex;
  flex-wrap: wrap;
}

.container .main {
  background: #fff;
  padding: 30px 30px;
  margin-top: 22px;
}

.container .main h2 {
  text-align: center;
  font-size: 26px;
  color: #333;
}

.container .main .describe {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 16px 0;
}

.container .main .describe span {
  margin: 0 5px;
}

.container .main .content {
  word-wrap: break-word;
  word-break: break-all;
  line-height: 20px;
}

.container .main .content p{
  font-size: 16px;
  color: #333;
  line-height: 30px;
  text-indent: 2em;
}

.container .main .content p img{
  margin: 25px auto;
  max-width: 1120px;
}

.container .main .content p video{
  display: block;
  word-wrap: break-word;
  width: 100%;
  height: 100%;
  margin: 20px auto;
}

.container .main .switch .Last {
  margin-top: 20px;
  font-size: 16px;
}
.container .main .switch .next {
  margin-top: 15px;
  font-size: 16px;
}