.bg-f3 {background-color: #f3f3f3;}

/*banner*/
.banner {height: 1080px;}

.banner-img {width: 100%;height: 1080px;position: relative;overflow: hidden;}

.banner-img > img {width: 2400px;position: absolute;left: 50%;margin-left: -1200px;}

.banner-bg {pointer-events: auto;}

.banner-bg > li {width: 100%}

.banner-bg > li > div {position: absolute;top: 0;left: 0;right: 0;bottom: 0;text-align: center;}

.banner-bg > li:nth-child(2) > div {padding-top: 8%;z-index: 1;}

.banner-bg > li:nth-child(3) > div {padding-top: 8%;z-index: 6;}

.banner-bg > li:nth-child(4) > div {left: -2%;padding-top: 8%;z-index: 10;}

.banner-bg > li:nth-child(5) > div {left: 2%;padding-top: 19%;z-index: 16;}

.banner-bg > li:nth-child(6) > div {padding-top: 9%;z-index: 18;}

/*版本选择*/
.edition-choice {position: relative;margin-top: -42em;}
.edition-list {display: flex;display: -ms-flexbox;justify-content: center;}
.edition-list > li {padding: 0 1em;}
.edition-list > li > a {position: relative}
.edition-list > li > a > i {position: absolute;right: 12px;top: 1px;background: url("../images/gflogo.png") no-repeat;display: inline-block;width: 26px;height: 33px;}
.edition-list > li > a > div {width: 158px;height: 189px;background-repeat: no-repeat;background-size: 100% 100%;}
.edition-img1 {background-image: url("../images/banner-edition1.png");}
.edition-img2 {background-image: url("../images/banner-edition2.png");}
.edition-img3 {background-image: url("../images/banner-edition3.png");}
.edition-img4 {background-image: url("../images/banner-edition4.png");}
.edition-list > li > a {position: relative;display: block;overflow: hidden;}
.edition-list > li a::before {content: "";position: absolute;width: 100%;height: 100%;top: 0;overflow: hidden;}
.edition-list > li > a:hover::before {
    background: -webkit-linear-gradient(left top, rgba(255, 255, 255, .4) 20%, rgba(255, 255, 255, .2) 60%, rgba(255, 255, 255, .1) 100%);
    background: -o-linear-gradient(bottom right, rgba(255, 255, 255, .4) 20%, rgba(255, 255, 255, .2) 60%, rgba(255, 255, 255, .1) 100%);
    background: -moz-linear-gradient(bottom right, rgba(255, 255, 255, .4) 20%, rgba(255, 255, 255, .2) 60%, rgba(255, 255, 255, .1) 100%);
    background: linear-gradient(to bottom right, rgba(255, 255, 255, .4) 20%, rgba(255, 255, 255, .2) 60%, rgba(255, 255, 255, .1) 100%);
}

.edition-list > li > a img {
    transition: all 0.4s;
}

.edition-list > li > a:hover img {
    transform: scale(1.1, 1.1);
}


.edition-list a:hover .edition-img1 {}

.edition-list a:hover .edition-img2 {}

.edition-list a:hover .edition-img3 {}

.edition-list a:hover .edition-img4 {}

.edition-content {color: #7e87a6;}

.edition-title {margin-top: 2em;margin-bottom: 1em; color: #e55c13;font-size: 16px}

.edition-title > b {font-size: 16px;}

.edition-title > b:nth-child(2) {padding: 0 1em;}

.edition-text {font-size: 16px; color: #c5c5c6}

.content-1, .content-2, .content-3, .content-4 {width: 39%;left: 31%;text-align: center;position: absolute;}

.content-2, .content-3, .content-4 {display: none;}

.banner-btm {position: relative;top: 18em;text-align: center;}

/*特色功能*/
.line-title {padding-top: 7em;padding-bottom: 5em;text-align: center;}

.fun-list {text-align: center;padding-bottom: 2em;}

.fun-list > li {margin-bottom: 6em;}

/*检测降重系统*/
.detecting-system:first-child {padding-bottom: 16%;}

.detecting-system:last-child {padding-bottom: 5em;}

.detecting-system:first-child > div.testing-img {text-align: center;}

.text-content {margin: auto 0;}

.text-content > h5 {font-weight: bold;color: #1a1a1a;padding-bottom: .5em;}

.text-content > p {font-size: .8em;color: #7a7a7a;margin-bottom: .5em;}

.detecting-system:first-child > .text-content {padding-right: 6em;}

.detecting-system:last-child > .text-content {padding-left: 6em;}

.hide-img {display: none;}

/*优势*/
.advantage-list > li {padding: 1em 2em;text-align: center;}

.advantage-list b {display: block;font-size: 1.1em;padding: 1em 0;}

.advantage-list p {font-size: .875em;color: #7a7a7a;text-align: left;}

/*合作伙伴*/
.partner-list {padding-bottom: 4em;}

.swiper-pagination {padding-right: 2.5em;}

/*右侧客服 返回顶部*/
.aside-bar {position: fixed;z-index: 10;bottom: 10px;right: 10px;text-align: center;background-color: #fff;box-shadow: 0 2px 10px rgba(89, 89, 89, .2);}

.aside-bar > li {padding: .6em;}

.aside-bar > li > a {font-size: .75em;color: #4c4c4c;text-decoration: none;}

.aside-bar > li > a:hover {color: #4291e3;transition: all .5s;}

.aside-bar > li > a > p {margin-bottom: 0;padding-top: .4em;}

.aside-bar > li > a > i {display: block;width: 100%;height: 31px;transition: all .5s;}

.img-top {background: url("../images/top-1.png") no-repeat center center;}
.img-qq {background: url("../images/qq_icon-1.png") no-repeat center center;}

.aside-bar > li > a:hover .img-top {background-image: url("../images/top-2.png");}
.aside-bar > li > a:hover .img-qq {background-image: url("../images/qq_icon-2.png");}

/*在小于576像素的屏幕里,这里的样式才生效*/
@media (max-width: 575.98px) {
    /*banner*/
    .banner-bg > li:nth-child(2) > div {padding-top: 8em;}

    .banner-bg > li:nth-child(3) > div {padding-top: 8em;}

    .banner-bg > li:nth-child(4) > div {padding-top: 8em;}

    .banner-bg > li:nth-child(5) > div {left: 5%;padding-top: 17em;}

    .banner-bg > li:nth-child(6) > div {padding-top: 60px;padding-left: 15px;padding-right: 15px;}

    /*版本选择*/
    .edition-list {
        width: 100%;
        padding: 0 56px;
        display: block;
        text-align: center;
        font-size: 0;
        margin-bottom: 0;
    }

    .edition-list > li {
        font-size: 13px;
        display: inline-block;
        padding: 0 20px 20px;
        width: 50%;
        box-sizing: border-box;
    }

    .edition-list > li:nth-child(3), .edition-list > li:nth-child(4) {padding-bottom: 0;}

    .edition-list > li a::before {left: 0;}

    .edition-choice {position: relative;margin-top: -910px;}

    .banner-btm {top: 22em;}

    .edition-list > li > a > div {width: 100%;height: auto;}

    .edition-list > li > a > div > img {width: 100%;height: auto;min-height: auto !important;}

    .content-1, .content-2, .content-3, .content-4 {width: 80%;left: 10%;}

    /*特色功能*/
    .fun-list > li:nth-child(2n-1) {padding-left: 0;}

    .fun-list > li:nth-child(2n) {padding-right: 0;}

    .fun-list > li > img {max-width: 80%}

    .fun-list > li:nth-child(4) > img {padding-top: .2em;}

    .fun-list > li:nth-child(5) > img {max-width: 92%;}

    .fun-list > li:nth-child(6) > img {padding-top: .1em;}

    /*检测降重系统*/
    .detecting-system {text-align: center;}

    .detecting-system:first-child {padding-bottom: 36%;}

    .testing-img > img {padding: 2em 0;}

    .text-content > p {font-size: .75em;}

    .detecting-system:first-child > .text-content,
    .detecting-system:last-child > .text-content {padding-right: .5em;padding-left: .5em;}

    .show-img {display: none;}

    .hide-img {display: block;}

    /*合作伙伴*/
    .swiper-pagination {padding-right: 0;}
}

@media (max-width: 530.98px) {
    .edition-choice {margin-top: -920px;}

    .edition-list {padding: 0 35px;}

    .banner-bg > li:nth-child(6) > div {padding-top: 60px;}
}

@media (max-width: 480.98px) {
    .edition-list > li {padding-bottom: 15px;}

    .edition-list > li:nth-child(1) {padding-left: 30px;padding-right: 10px;}

    .edition-list > li:nth-child(2) {padding-left: 10px;padding-right: 30px;}

    .edition-list > li:nth-child(3) {padding-left: 30px;padding-right: 10px;}

    .edition-list > li:nth-child(4) {padding-left: 10px;padding-right: 30px;}

    .edition-list {padding: 0 20px;}

    .banner-btm {top: 25em;}
}

/*在576和768像素的屏幕里,这里的样式才生效*/
@media (min-width: 576px) and (max-width: 767.98px) {
    /*banner*/
    .banner-bg > li > div > img {width: 80%;}

    .banner-bg > li:nth-child(2) > div {padding-top: 10em;}

    .banner-bg > li:nth-child(3) > div {padding-top: 10em;}

    .banner-bg > li:nth-child(4) > div {padding-top: 10em;}

    .banner-bg > li:nth-child(5) > div {left: 5%;padding-top: 18em;}

    .banner-bg > li:nth-child(6) > div {padding-top: 11em;}

    /*版本选择*/
    .edition-list > li {padding: 0 .5em;}

    .edition-list > li > a > div {width: 124px;height: 152px;background-size: 100% 100%;}

    .edition-choice {position: relative;margin-top: -46em;}

    .content-1, .content-2, .content-3, .content-4 {width: 73%;left: 13%;}

    .banner-btm {top: 25em;}

    /*特色功能*/
    .fun-list > li:nth-child(4) {padding-top: .3em;}

    /*检测降重系统*/
    .detecting-system {text-align: center;}

    .detecting-system:first-child {padding-bottom: 28%;}

    .testing-img > img {padding: 2em 0;}

    .detecting-system:first-child > .text-content,
    .detecting-system:last-child > .text-content {padding-right: 0;padding-left: 0;}

    .show-img {display: none;}

    .hide-img {display: block;}

    /*合作伙伴*/
    .swiper-pagination {padding-right: 0;}
}

/*在768和992像素的屏幕里,这里的样式才生效*/
@media (min-width: 768px) and (max-width: 991.98px) {
    /*banner*/
    .banner-bg > li > div > img {width: 88%;}

    .banner-bg > li:nth-child(2) > div {padding-top: 8em;}

    .banner-bg > li:nth-child(3) > div {padding-top: 8em;}

    .banner-bg > li:nth-child(4) > div {padding-top: 8em;}

    .banner-bg > li:nth-child(5) > div {left: 5%;padding-top: 18em;}

    .banner-bg > li:nth-child(6) > div {padding-top: 8em;}

    /*版本选择*/
    .edition-choice {margin-top: -46em;}

    .content-1, .content-2, .content-3, .content-4 {width: 80%;left: 11%;}

    .banner-btm {top: 22em;}

    /*检测降重系统*/
    .detecting-system:first-child > div.testing-img {text-align: right;}

    .detecting-system:first-child > .text-content {padding-right: .5em;}

    .detecting-system:last-child > .text-content {padding-left: 1.2em;padding-right: 0;}

    /*优势*/
    .advantage-list > li {padding: 0 .5em;}

    /*合作伙伴*/
    .swiper-pagination {padding-right: 0;}
}

/*在992和1200像素的屏幕里,这里的样式才生效*/
@media (min-width: 992px) and (max-width: 1199.98px) {
    /*banner*/
    .banner-bg > li:nth-child(2) > div {padding-top: 10%;}

    .banner-bg > li:nth-child(3) > div {padding-top: 10%;}

    .banner-bg > li:nth-child(4) > div {padding-top: 10%;}

    .banner-bg > li:nth-child(5) > div {left: 5%;padding-top: 29%;}

    .banner-bg > li:nth-child(6) > div {padding-top: 12%;}

    /*版本选择*/
    .edition-choice {margin-top: -44em;}

    .content-1, .content-2, .content-3, .content-4 {width: 65%;left: 18%;}

    .banner-btm {top: 20em;}

    /*检测降重系统*/
    .detecting-system:first-child > div.testing-img {text-align: right;}

    .detecting-system:first-child > .text-content,
    .detecting-system:last-child > .text-content {padding-right: 0;}

    /*优势*/
    .advantage-list > li {padding: 0 1em;}

    /*合作伙伴*/
    .swiper-pagination {padding-right: 0;}
}

.authenticity {
    display: inline-block;
    background: url("data:image/png;base64,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") no-repeat center/cover;
    height: 30px;
    border-bottom: none;
    text-align: center;
    float: right;
    position: absolute;
    right: 0;
}

.authenticity .nav-link-a::before {
    background: none;
}