.banner_box {
    width: 100%;
    height: 8.4rem;
    margin: 0 auto;
    position: relative;
    background-position: center;
    background-size: cover;
}

.banner_box .pic {
    width: 63%;
    position: absolute;
    left: 57%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.banner_box .text {
    width: 63%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.banner_box .pic img {
    width: 100%;
}

.banner_box .text img {
    width: 100%;
}

.zhou_box {
    position: relative;
}

.wgzl {
    position: absolute;
    display: block;
    width: 100%;
    left: 0;
}

.wgzl.animated {
    animation-name: animation;
    animation-duration: 1s;
    animation-delay: 1s;
}

.zhou {
    width: 7.22rem;
    margin: 0 auto;
    padding-top: 37%;
}

.zhou img {
    display: block;
    width: 100%;
}

.yuan_item_1 {
    position: absolute;
    top: 19%;
    left: 28%;
}

.yuan_item_2 {
    position: absolute;
    top: 18%;
    right: 27%;
}

.yuan_item_3 {
    position: absolute;
    top: 51%;
    left: 25%;
}

.yuan_item_4 {
    position: absolute;
    top: 46%;
    right: 24%;
}
.yuan_item_5 {
    position: absolute;
    top: 33%;
    left: 19%;
}
.yuan_item_6 {
    position: absolute;
    top: 32%;
    right: 32%;
}
.yuan_item_7 {
    position: absolute;
    top: 35%;
    right: 58%;
}
.yuan_item_8 {
    position: absolute;
    top: 45%;
    right: 42%;
}


.yuan_item {
    width: 10%;
}

.yuan_item img {
    display: block;
    width: 100%;
}

@keyframes animation {
    0% {
        transform: scale(0);
        transform-origin: 50% 100%;
    }
    100% {
        transform: scale(1);
    }
}

@media (max-width: 1442px) {
    .banner_box {
        height: 7.5rem;
    }
}

@media (max-width: 1220px) {
    .banner_box {
        height: 6.8rem;
    }
}

@media (max-width: 840px) {
    .banner_box {
        height: 5rem;
    }
    .wgzl {
        width: 100%;
    }
    .zhou {
        width: 50%;
    }
}

@media (max-width: 640px) {
    .banner_box {
        height: 3.5rem;
    }
    .yuan_item {
        width: 15%;
    }
}

@media (max-width: 460px) {
    .banner_box {
        height: 2.5rem;
    }
}