@media screen and (max-width: 1200px) {
    .v2 header {position: fixed;margin-top: 0;padding: 0.8rem 0 30px 0;top: 0;right: 0;width: 250px;height: 100%;background-color: #fff;overflow: unset;box-sizing: border-box;overflow-x: hidden;transform: matrix(1, 0, 0, 1, 250, 0);z-index: 300;}
    .v2 .postion-div {display: none}
    .v2 header .header-top {display: none}
    .v2 header .header-menu {display: block}
    .v2 header .header-menu > div { padding: 0.1rem 0.15rem; height: 0.3rem;line-height: 0.3rem}
    .v2 header .header-menu > div .drop-down { }
    .v2 header .header-menu > div .drop-down .box {max-width: 100%}
    .v2 header .header-menu > div .drop-down .box > div {display: none;height: auto}
    .v2 header .header-menu > div .drop-down .box > div:nth-child(1) {display: block}
    .v2 header .header-menu > div a {color: var(--color-ccc)!important;}
    .v2 .header-menu .drop-down .box .industries .ng-btn{color: var(--color-white)!important;}
}

@media screen and (max-width: 970px) {
    .v2 .w1400 {max-width: 100%}
    .v2 .index-product .product { display: flex; flex-wrap: wrap;}
    .v2 .index-product .item { flex: none; margin: 0.1rem; position: relative; width: calc(100% / 2 - var(--size20));}
    .v2 .index-solution .item { width: calc(100% / 2 - var(--size20)); margin: 0.1rem; position: relative;}
    .v2 .banner img {height: 100%;max-height: 100%;position: absolute;z-index: -1;}
    .v2 .index-cuanxin .item {flex: none;margin: 0.1rem;position: relative;width: calc(100% / 2 - var(--size20));}
    .v2 .banner .swiper-slide {height: 5.16rem;max-height: 5.16rem;}
    .v2 .index-solution .item .back {height: calc((100vw / 2 - 0.4rem) * 0.5625);}
    .v2 .index-cuanxin .item .back {height: calc((100vw / 2 - 0.4rem) * 0.5625);}
    .v2 .index-product .item .back {height: calc((100vw / 2 - 0.4rem) * 0.5625);}
    .v2 .footer .content .left .qrcode {display: none}
}
@media screen and (max-width: 768px) {
    .v2 .banner .lunbo-text {margin-top: 0.2rem}
    .v2 .solution .content1 .video {display: block;}
    .v2 .newsWarp .newsList li {width: calc(50% - 0.25rem);}
    .v2 .solution .content2 .resource {display: block}
    .v2 .solution .content2 .resource .files {padding: 0.5rem 0.3rem;}
    .v2 .component .cont1 .w1400 > div {margin: 0.2rem !important;}
    .v2 .footer .content {display: block}
    .v2 .footer .content .left {width: 100%}
    .v2 .footer .content .left .qrcode {display: block}
    .v2 .footer .content .right {width: 100%}
    .v2 .solution .con {display: block}
    .v2 .solution .con .right {width: 100%}
    .v2 .index-cuanxin .item .back {height: calc((100vw / 2 - 0.4rem) * 0.5625);}
    .v2 .index-product .item .back {height: calc((100vw / 2 - 0.4rem) * 0.5625);}
    .v2 .footer .content .left .qrcode {display: none}

}