* {
  margin: 0;
  padding: 0;
  font-family: Source Han Sans CN;
  /* width: 100%;
  height: 100%; */
}
html,
body {
  height: 100%;
}
a {
  text-decoration: none;
  border-bottom: none;
}
#app {
  width: 100%;
  height: 100%;
  background-color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 0 17px;
  box-sizing: border-box;
  padding-bottom: 100px;
}

img {
  width: 170px;
}

.content-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.title {
  color: #31436b;
  font-size: 17px;
  margin-top: 20px;
}

.tip {
  color: #999;
  font-size: 12px;
  margin-top: 5px;
}

.btn-box {
  width: 90%;
  text-align: center;
  position: absolute;
  bottom: 20px;
  left: 5%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.btn-tip {
  font-weight: 400;
  font-size: 13px;
  color: #ff0000;
  line-height: 20px;
}

.btn-title {
  font-weight: 400;
  font-size: 14px;
  color: #333333;
  line-height: 20px;
  margin-bottom: 10px;
}

.btn {
  width: 100%;
  line-height: 46px;
  font-weight: 500;
  font-size: 16px;
  color: #ffffff;
  border-radius: 6px;
  background: #3196fe;
}