* {
  box-sizing: border-box;
}

img {
  vertical-align: middle;
}

body {
  background: url(../images/pc/bg.jpg?v=29) no-repeat;
  width: 100%;
  height: 100%;
  background-size: cover;
  display: flex;
  flex-direction: column;
}

header {
  width: 100%;
  display: flex;
  align-items: center;
  padding: 2vh 3vw 0;
}

header > img:first-of-type {
  height: 10vh;
  margin-right: auto;
}

header > img:nth-of-type(n + 2) {
  display: flex;
  margin-right: 20px;
  cursor: pointer;
}
.sw,.tg{
  height: 55px;
}
main {
  padding: 0 80px;
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.main-img {
  width: 50%;
  display: flex;
  align-items: center;
}

.main-img > img {
  width: 100%;
}

.qr-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  /* margin: 8vh 0 0 10vw; */
}

.qr-box > img {
  width: 80%;
}

.qr-bg {
  margin-top: 60px;
  position: relative;
}

.qrcode {
  position: absolute;
  top: 0;
  left: 6px;
  padding: 10px 20px;
  width: 100%;
  height: 100%;
  /* display: flex;
  flex-direction: row;
  align-items: center; */
}
.qrcode img{
  width: 196px;
}