div,
a,
p,
img,
body,
html,
ul,
li {
  margin: 0px;
  padding: 0px;
}
html {
  font-size: 16px;
}
body {
  font-size: 16px;
  width: 100%;
  display: block;
  margin: 0 auto;
  height: 100vh;
}
a {
  text-decoration: none;
}
ul {
  list-style: none;
}

.page {
  width: 100%;
  float: left;
  position: relative;
}
.page .bg-img {
  width: 100%;
}
.page img {
  display: inline-block;
  width: 100%;
}
.page::after {
  content: "";
  display: block;
  clear: both;
}
.logo {
  width: 100%;
}
.logo img {
  width: 100%;
}
.footer {
  background: url('../img/footer/bg.png') no-repeat;
  background-size: cover;
  background-position: center center;
  height: 187px;
}
.footer .QR-code {
  width: 100%;
  position: absolute;
  left: 0px;
  right: 0px;
  margin: 0 auto;
  top: 50%;
  transform: translateY(-50%);
}
.footer .QR-code .QR {
  width: 12.13rem;
  margin: 0 auto;
  margin-top: 2rem;
}
.footer .QR-code .info1 {
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  margin-top: 2rem;
  font-size: 16px;
}
.footer .QR-code .info2 {
  text-align: center;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
}

.footer .QR-code .info2 span {
  cursor: pointer;
}

.footer .QR-code .info2 a {
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.5px;
  line-height: 1.5;
}

.footer .QR-code .info2 a:hover {
  color: #0c82ff;
}

.footer .QR-code .touch {
  text-align: center;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  margin: 0.5rem auto;
}

.footer .QR-code .touch cite {
  font-weight: bold;
  font-style: normal;
}

@media screen and (max-width: 1450px) {
  .page4 .bd-right { width: 64%; }
  .page3 .pos-contain .ksf-intro .square { left: 23.5% }
}