* {
    margin: 0;
    padding: 0;
}


.outer {
    /*height: 80vh;*/
    background-image: url("image/bj.png");
    background-size: cover;
    background-repeat: no-repeat;
    padding-top: 20px;
    padding-bottom: 40px;
}


.img1 {
    text-align: center;
}

.img1 > img {
    width: 90%;
}

.img2 {
    margin-top: 30px;
    margin-left: 50px;
}

.img3 {
    margin-top: 25%;
    margin-left: 11%;
}

.img3 > img {
    width: 60%;
}

.img4 {
    margin-top: 4%;
    margin-left: 11%;
}

.img4 > img {
    width: 60%;
}

.img5 {
    margin-top: 4%;
    margin-left: 11%;
}

.img5 > img {
    width: 84%;
}

.img6 {
    margin-top: 4%;
    margin-left: 11%;
}

.img6 > img {
    width: 84%;
}

.img7 {
    margin-top: 4%;
    margin-left: 11%;
}

.img7 > img {
    width: 84%;
}

.img8 {
    margin-top: 4%;
    margin-left: 11%;
}

.img8 > img {
    width: 84%;
}

.img9 {
    display: flex;
    justify-content: center;
}