.section-one .swiper-slide:first-child .img-box,
.section-one .swiper-slide:nth-child(2) .img-box,
.section-one .swiper-slide:nth-child(3) .img-box,
.section-two .swiper-slide:first-child .img-box,
.section-two .swiper-slide:nth-child(2) .img-box,
.section-two .swiper-slide:nth-child(3) .img-box,
.section-three .swiper-slide:first-child .img-box,
.section-three .swiper-slide:nth-child(2) .img-box,
.section-three .swiper-slide:nth-child(3) .img-box,
.section-four .swiper-slide:first-child .img-box,
.section-four .swiper-slide:nth-child(2) .img-box,
.section-four .swiper-slide:nth-child(3) .img-box {
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/01-1.jpg?x-oss-process=image/format,webp);
    height: 100vh;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}

.section-one .swiper-slide:nth-child(2) .img-box{
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/01-2.jpg?x-oss-process=image/format,webp);
}

.section-one .swiper-slide:nth-child(3) .img-box{
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/01-3.jpg?x-oss-process=image/format,webp);
}

.section-two .swiper-slide:first-child .img-box {
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/02-1.jpg?x-oss-process=image/format,webp);
}

.section-two .swiper-slide:nth-child(2) .img-box{
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/02-2.jpg?x-oss-process=image/format,webp);
}

.section-two .swiper-slide:nth-child(3) .img-box{
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/02-3.jpg?x-oss-process=image/format,webp);
}

.section-three .swiper-slide:first-child .img-box {
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/03-1.jpg?x-oss-process=image/format,webp);
}

.section-three .swiper-slide:nth-child(2) .img-box{
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/03-2.jpg?x-oss-process=image/format,webp);
}

.section-three .swiper-slide:nth-child(3) .img-box{
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/03-3.jpg?x-oss-process=image/format,webp);
}

.section-three .swiper-slide:nth-child(4) .img-box{
    background-image: url(https://sanyglobal-img.sany.com.cn/static/img/about%20us/03-4.jpg?x-oss-process=image/format,webp);
}

.section-four .swiper-slide:first-child .img-box {
    background-image: url(https://sanyglobal-img.sany.com.cn/cms/image/about/about-31.jpg?x-oss-process=image/format,webp);
}

.contact {
	width: 100%;
	background-image: url(https://sanyglobal-img.sany.com.cn/static/img/contact/bgc.jpg?x-oss-process=image/format,webp);
	height: 100vh;
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center;
	background-attachment: fixed;
}

.bgc{position: fixed; left: 0; top: 0; width: 100%; background-image:url(https://sanyglobal-img.sany.com.cn/static/img/contact/media-bg.jpg?x-oss-process=image/format,webp); height: 100vh; background-repeat:no-repeat; background-size: cover; background-position: center; z-index: 0;}

.section-develop_area .slide_list .li1 {
    background: url('https://sanyglobal-img.sany.com.cn/cms/index/area-1.png?x-oss-process=image/format,webp') no-repeat top;
    background-size: cover;
}

.section-develop_area .slide_list .li2 {
    background: url('https://sanyglobal-img.sany.com.cn/cms/index/area-2.png?x-oss-process=image/format,webp') no-repeat top;
    background-size: cover;
}

.section-develop_area .slide_list .li3 {
    background: url('https://sanyglobal-img.sany.com.cn/cms/index/area-1.png?x-oss-process=image/format,webp') no-repeat top;
    background-size: cover;
}
.section-guideline-mobile::after{content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url(https://sanyglobal-img.sany.com.cn/static/img/service/mob.png?x-oss-process=image/format,webp) no-repeat; background-size: 100%;}