@charset "utf-8";
.t_b {
  font-size: 1.8rem;
  font-weight: 600;
}
@-webkit-keyframes typing {
  0% {
    background-color: rgba(0, 0, 0, 0.8);
    box-shadow: 12px 0 0 0 rgba(0, 0, 0, 0.2), 24px 0 0 0 rgba(0, 0, 0, 0.2);
  }
  25% {
    background-color: rgba(0, 0, 0, 0.4);
    box-shadow: 12px 0 0 0 rgba(0, 0, 0, 0.8), 24px 0 0 0 rgba(0, 0, 0, 0.2);
  }
  75% {
    background-color: rgba(0, 0, 0, 0.4);
    box-shadow: 12px 0 0 0 rgba(0, 0, 0, 0.2), 24px 0 0 0 rgba(0, 0, 0, 0.8);
  }
}
@keyframes typing {
  0% {
    background-color: rgba(0, 0, 0, 0.8);
    box-shadow: 12px 0 0 0 rgba(0, 0, 0, 0.2), 24px 0 0 0 rgba(0, 0, 0, 0.2);
  }
  25% {
    background-color: rgba(0, 0, 0, 0.4);
    box-shadow: 12px 0 0 0 rgba(0, 0, 0, 0.8), 24px 0 0 0 rgba(0, 0, 0, 0.2);
  }
  75% {
    background-color: rgba(0, 0, 0, 0.4);
    box-shadow: 12px 0 0 0 rgba(0, 0, 0, 0.2), 24px 0 0 0 rgba(0, 0, 0, 0.8);
  }
}
.tag {
  height: 30px;
  color: #666666;
  text-align: center;
  line-height: 30px;
  font-size: 1.2rem;
}
body {
  background: #eeeeee;
}
.banner {
  width: 100%;
  height: 100vw;
}
.banner .box {
  position: relative;
  width: 70%;
  height: calc(64vw + 40px);
  margin: 0 auto;
  -webkit-border-radius: 8px;
  border-radius: 8px;
  box-shadow: 0 0 36px #5d5d5d;
  display: none;
}
.banner .box .box_up {
  display: block;
  width: 70vw;
  height: 64vw;
  margin: 0 auto;
  padding: 10px 10px 0 10px;
  background: #ffffff;
  -webkit-border-top-left-radius: 8px;
  -webkit-border-top-right-radius: 8px;
  border-top-left-radius: 8px ;
  border-top-right-radius: 8px ;
}
.banner .box .box_up img {
  width: 100%;
  height: 45vw;
  -webkit-border-radius: 8px;
  border-radius: 8px;
  overflow: hidden;
}
.banner .box .box_up .title {
  color: #333333;
  line-height: 30px;
}
.banner .box .box_up .note {
  color: #999999;
  font-size: 1.2rem;
  line-height: 26px;
}
.banner .box .box_down {
  width: 70vw;
  height: 40px;
  margin: 0 auto;
  padding: 0 10px;
  background: #ffffff;
  -webkit-border-bottom-left-radius: 8px;
  -webkit-border-bottom-right-radius: 8px;
  border-bottom-left-radius: 8px ;
  border-bottom-right-radius: 8px ;
}
.banner .box .box_down .clear {
  width: 100%;
  border-top: 1px solid #dedede;
}
.banner .box .box_down .clear .scan {
  display: inline-block;
  height: 100%;
  background: url("/home/images/learn/scan.png") 2px 13px no-repeat;
  background-size: 15px 15px;
  padding-left: 20px;
  color: #4fc464;
  line-height: 40px;
  font-size: 1.2rem;
}
.banner .box .box_down .clear .fr {
  height: 24px;
  width: 50px;
  margin: 8px auto;
  background: #f5f5f5;
  border: 1px solid #f1f1f1;
  color: #4fc464;
  text-align: center;
  line-height: 24px;
  font-size: 1.2rem;
  -webkit-border-radius: 8px;
  border-radius: 8px;
}
.banner .box .bg {
  z-index: -1;
  position: absolute;
  top: -30px;
  left: -15vw;
  width: 100vw;
  height: 100vw;
  -webkit-filter: blur(8px);
  filter: blur(8px);
  overflow: hidden;
}
@media (max-width: 320px) {
  .banner .box {
    height: calc(68vw + 40px);
  }
  .banner .box .box_up {
    height: 68vw;
  }
  .banner .box .box_up .title {
    color: #333333;
    line-height: 36px;
  }
}
/*课程列表*/
.lists {
  background: #eeeeee;
}
.lists .list {
  position: relative;
  display: block;
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  background: #ffffff;
  text-align: center;
  overflow: hidden;
}
.lists .list .tab {
  position: absolute;
  top: 20px;
  left: 5px;
  width: 45px;
  height: 30px;
  background: url("/home/images/learn/bg_blue.png") no-repeat;
  background-size: 45px 30px;
  color: #ffffff;
  font-size: 1.2rem;
  text-align: center;
  line-height: 20px;
}
.lists .list .img {
  width: 100%;
  height: 48vw;
  -webkit-border-radius: 8px;
  border-radius: 8px;
}
.lists .list .title {
  color: #333333;
  font-size: 1.4rem;
  line-height: 36px;
}
.lists .list .study {
  display: inline-block;
  background: url("/home/images/learn/people.png") 0 0 no-repeat;
  background-size: 15px 15px;
  padding-left: 18px;
  color: #999999;
  font-size: 1.2rem;
  text-align: center;
}
/*提示*/
.tip {
  height: 40px;
  text-align: center;
  line-height: 40px;
  color: #c1c1c1;
  background: #ffffff;
}
.loading {
  width: 100%;
  height: 40px;
}
.typing_loader {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  -webkit-animation: typing 1s linear infinite alternate;
  -moz-animation: Typing 1s linear infinite alternate;
  animation: typing 1s linear infinite alternate;
  position: relative;
  top: 17px;
  left: calc( 50vw - 20px );
}