* {
  font-size: 14px;
  font-family: "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

div {
  box-sizing: border-box;
}

a {
  color: #222;
  text-decoration: none;
}

.container {
  width: 1180px;
  margin: 0 auto;
}

.row {
  overflow: hidden;
  zoom: 1;
}

.col-6 {
  width: 50%;
  float: left;
}

.nav-image-wrapper {
  background-position: center center;
  background-size: cover;
  height: calc(100vh - 240px);
  cursor: pointer;
}

.nav-image-wrapper-1 {
  background-image: url(../images/nav_left_image.png);
}

.nav-image-wrapper-2 {
  background-image: url(../images/nav_right_image.jpg);
}

.foot {
  background-color: #222;
  color: #fff;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 80px;
  padding-top: 4px;
}

.content-center {
  text-align: center;
}

.content-right {
  text-align: right;
}

.qr-wrapper {
  display: inline-block;
  margin: 0 10px;
  text-align: center;
}

.qr-wrapper p {
  text-decoration: none;
  margin: 4px 0;
  font-size: 12px;
}

.head {
  height: 60px;
}

.body {
  margin-top: 10px;
  border-top: 1px #666 dashed;
  padding-top: 1px;
  height: calc(100% - 200px);
}

.bg-lightgray {
  background-color: #f3f3f3;
}

.nav-logo-wrapper {
  padding: 8px;
  background-color: #f9f9f9;
}

.nav-logo-wrapper a {
  display: inline-block;
  padding: 10px 0;
  vertical-align: middle;
  padding-left: 30px;
  height: 60px;
}

.nav-logo-wrapper img {
  width: 40px;
  height: 40px;
  vertical-align: middle;
}

.nav-logo-wrapper span {
  display: inline-block;
  margin-left: 8px;
  vertical-align: middle;
  line-height: 1.2;
}

.nav-logo-wrapper span.sm {
  font-size: 12px;
  color: #999;
  display: inline-block;
  margin-left: 8px;
  vertical-align: middle;
}

.logo {
  padding-top: 14px;
}

.logo img {
  max-height: 40px;
  vertical-align: middle;
}

.foot-label {
  padding-top: 8px;
}
.foot-label p {
  color: #999;
  font-size: 12px;
  margin-bottom: 0;
  margin-top: 6px;
}

.nav-logo-wrapper img.qr {
  width: 72px;
  height: 72px;
  margin-right: 16px;
}