* {
  box-sizing: border-box;
}

img {
  vertical-align: middle;
}

body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: url(../img/pc/bg.jpg?v=10) no-repeat;
  background-size: cover;
  min-width: 1300px;
}

header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 5vh 5vw 0;
  height: 10vh;
  flex-shrink: 0;
}

header > img:first-of-type {
  height: 11vh;
}

header > img:nth-of-type(2) {
  height: 5vh;
  margin-left: auto;
  margin-right: 30px;
  cursor: pointer;
}

header > img:nth-of-type(3) {
  height: 5vh;
  margin-right: 30px;
  cursor: pointer;
}

header > img:last-of-type {
  height: 5vh;
  cursor: pointer;
}

main {
  width: 100%;
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
}

.swiper,
.swiper-wrapper,
.swiper-slide {
  width: 100%;
  height: 100%;
}

.swiper-slide {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}

.swiper-slide .m-img {
  width: 87%;
}

.fixed {
  position: fixed;
  z-index: 10;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-bg {
  position: relative;
  top: 0;
  left: 0;
  width: 80%;
}

#qrcode {
  position: absolute;
  top: 8%;
  margin-left: 16%;
  height: 100%;
}

#qrcode img {
  width: 75%;
}

.rb-wrap {
  width: 100%;
  position: absolute;
  bottom: 6px;
  z-index: 10;
  display: flex;
  justify-content: center;
}

.rb-wrap img {
  width: 40%;
}