* {
    box-sizing: border-box;
}

img {
    vertical-align: middle;
}

body {
    min-width: 1200px;
    background: url(../img/pc/bg.png?p=4) no-repeat;
    background-size: cover;
    background-position: top;
    position: relative;
    background-color: none;
}

header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 2vh 5vw 0 0;
}

header>img {
    height: 5vh;
    margin-left: 40px;
    cursor: pointer;
}

main {
    width: fit-content;
    height: fit-content;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    background: url(../img/pc/111.png?p=4) no-repeat;
    background-size: 100% 100%;
    background-position: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    padding: 60px;
}

main>img:nth-of-type(1) {
    width: 30%;
}

main>img:nth-of-type(2) {
    width: 100%;
    margin-top: 40px;
}

main>img:nth-of-type(3) {
    width: 100%;
    margin-bottom: 30px;
}

main>img:nth-of-type(4) {
    width: 30%;
}

#qrcode {
    background: #fff;
    padding: 10px;
    border-radius: 8px;
    margin: 20px;
}