.container {
  max-width: 26rem;
  overflow: hidden;
  margin: 0 auto;
}

.img100 {
  width: 100%;
}

.top_text {
  font-size: 16px;
  line-height: 1.5;
  color: #666;
  padding: 32px 28px 0;
}

.title {
  padding: 32px 0;
  text-align: center;
}

.title p {
  position: relative;
  display: inline-block;
  font-size: 24px;
  line-height: 16px;
  padding: 0 8px;
  margin: 4px 0;
  border-left: 2px solid #999;
  border-right: 2px solid #999;
}

.title p:before {
  content: '';
  position: absolute;
  left: -50%;
  top: 50%;
  width: 50%;
  height: 2px;
  background: linear-gradient(to right, #fff, #999);
}

.title p:after {
  content: '';
  position: absolute;
  right: -50%;
  top: 50%;
  width: 50%;
  height: 2px;
  background: linear-gradient(to left, #fff, #999);
}

.tip1, .tip2 {
  font-size: 16px;
  line-height: 1.5;
  color: #666;
  padding: 0 28px 24px;
}

.tip1 span {
  color: #3A8AFF;
}

.use_step, .hand_step {
  font-size: 0;
  padding: 0 0 32px;
}

.use_step img, .hand_step img  {
  width: 100%;
}

.go_index {
  text-align: center;
}

.go_index a {
  display: inline-block;
  margin: 10px 0 41px;
  font-size: 18px;
  line-height: 1;
  color: #fff;
  padding: 15px 30px;
  background: linear-gradient(360deg,rgba(73,143,255,1) 0%,rgba(72,203,248,1) 100%);
  box-shadow: 0px 10px 25px -10px rgba(0,119,190,0.5);
  border-radius: 100px;
}

.footer {
  font-size: 14px;
  line-height: 1;
  padding: 13px 0;
  color: #595D68;
  background: #EFF1F4;
  text-align: center;
}

.promovideo {
  margin-top: 50px;
  text-align: center;
}