html {
  height: 100%;
  width: 100%;
  overflow: hidden;
  background-color: #f8f8f8;
}
body {
  height: 100%;
  width: 100%;
  overflow-y: auto;
  background-color: #f8f8f8;
}
.identify-head {
  height: 60px;
  background: #fff;
  overflow: hidden;
}
.head-main {
  width: 1200px;
  margin: 0 auto;
}
.head-main img {
  height: 50px;
  margin-top: 5px;
}

.qr-login-problem-container {
  text-align: left;
  /* margin-top: 25px; */
  background-color: #fff;
  box-sizing: border-box;
  max-width: 1200px;
  margin: 0 auto;
}
.qr-login-problem-content {
  margin: 0 auto;
  max-width: 750px;
}
.safari-setting {
  width: 100%;
}
.safari-setting div img {
  width: 100%;
}
.firefox-setting {
  width: 100%;
}
.firefox-setting div img {
  width: 100%;
}