body {
  font: 14px/1.7 "Helvetica Neue", Helvetica, Arial, Sans-serif;
  margin: 0;
  color: #666;
  background: #fcfcfc;
}

* {
  margin: 0;
  padding: 0;
}

img {
  border: none;
}

a {
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

.flex-box {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
      align-items: center;
  -ms-flex-direction: column;
      flex-direction: column;
  -ms-flex-pack: center;
      justify-content: center;
}

header {
  display: -ms-flexbox;
  display: flex;
  -ms-flex-align: center;
      align-items: center;
  height: 10vh;
  margin: 0 3vw;
}
header .logo {
  display: -ms-flexbox;
  display: flex;
  height: 100%;
}
header .logo img {
  max-width: 100%;
  max-height: 100%;
  margin: auto;
}

.pages {
  margin: 1vh 5vw 0;
}
.pages .img-tip {
  height: 35vh;
}
.pages .img-tip .warning-img {
  width: 100px;
}
.pages .img-tip .warning-text {
  font-size: 18px;
  color: #00a0ff;
}
.pages .text-tip {
  height: 8vh;
  color: #666;
}
.pages .text-tip p {
  text-align: center;
}
.pages .btn-wrapper {
  height: 20vh;
}
.pages .btn-wrapper .btn {
  font-size: 18px;
  font-weight: 500;
  line-height: 1;
  display: inline-block;
  box-sizing: border-box;
  margin: 0;
  padding: 20px 26px;
  cursor: pointer;
  transition: 0.1s;
  transition: all 250ms ease-out;
  text-align: center;
  white-space: nowrap;
  color: #fff;
  border: 1px solid #dcdfe6;
  border-color: #409eff;
  border-radius: 30px;
  outline: none;
  background: #fff;
  background-color: #409eff;
}
.pages .btn-wrapper .btn:hover {
  transform: translateX(-3px);
  box-shadow: 0 4px 10px 1px hsl(0deg, 0%, 60%);
}

.qrcode {
  box-sizing: border-box;
  width: 100%;
  height: 25vh;
  margin-bottom: 1vh;
  border-top: 2px solid #ebebeb;
}
.qrcode img {
  max-width: 100%;
  height: 50%;
}
.qrcode .qr-text {
  font-size: 16px;
  font-weight: bold;
  margin-top: 10px;
  color: #222;
}
.qrcode .qr-tip {
  color: #999;
}