.ywly_banner img {
    width: 100%;
}
.crumb-box {
    width: 100%;
    height: 50px;
    line-height: 50px;
    box-shadow: 0px 1px 8px 0px rgba(208, 208, 208, 0.35);
}

.ywly_w_c {
    width: 1282px;
    margin: 0 auto;
}

.crumb {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.crumb .l {
    display: flex;
    align-items: center;
    color: #999;
}

.crumb .l img {
    margin-right: 10px;
}

.crumb .r ul {
    display: flex;
    align-items: center;
}

.crumb .r ul li {
    padding: 0 17px;
}

.crumb .r ul li:nth-last-of-type(1) {
    padding-right: 0;
}

.crumb .r ul li a {
    display: inline-block;
    font-size: 15px;
    height: 49px;
    line-height: 50px;
    border-bottom: 1px solid #fff;
    color: #666;
}

.service_nav_active {
    color: #ee1d23 !important;
    border-bottom: 1px solid #da251d !important;
}

.w_940 {
    width: 940px;
    margin: 0 auto;
}

.content_list .bbc {
    margin-top: 60px;
}

.bbc .bbc-top {
    position: relative;
    display: flex;
    align-items: center;
    width: 1230px;
    height: 60px;
    padding-left: 35px;
    margin-left: 50px;
    border-bottom: 1px solid #f9a61c;
}

.bbc .bbc-top::before {
    position: absolute;
    content: '';
    left: -50px;
    top: 0;
    width: 62px;
    height: 60px;
    background: url(../images/h1-nav-icon.png) no-repeat;
    background-size: 62px 60px;
}

.bbc .bbc-top h1 {
    font-size: 26px;
    color: #333;
    font-weight: bold;
}

.bbc .bbc-top h2 {
    font-size: 16px;
    color: #808080;
    margin-top: 12px;
    margin-left: 22px;
}

.bbc .text {
    margin-top: 40px;
}

.bbc .text p {
    line-height: 26px;
    color: #666;
    text-align: center;
}

.bbc .customer {
    display: flex;
    justify-content: space-between;
    margin-top: 70px;
}

.bbc .customer .l {
    position: relative;
}

.bbc .customer .l .t {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -22px;
    width: 205px;
    height: 46px;
    line-height: 46px;
    background-color: #f9a51b;
    font-size: 16px;
    color: #fff;
    text-align: center;
    border-radius: 4px;
}

.bbc .customer .l .text2 {
    text-align: center;
    color: #666;
    padding: 33px 57px 9px 56px;
    border: 2px solid #f9a51b;
}

.bbc .customer .c {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 166px;
    height: 166px;
    border-radius: 50%;
    text-align: center;
    background-color: #f9a51b;
    font-size: 20px;
    color: #fff;
    font-weight: bold;
}

.bbc .customer .r {
    position: relative;
}

.bbc .customer .r .t {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: -22px;
    width: 205px;
    height: 46px;
    line-height: 46px;
    background-color: #f9a51b;
    font-size: 16px;
    color: #fff;
    text-align: center;
    border-radius: 4px;
}

.bbc .customer .r .text2 {
    text-align: center;
    color: #666;
    padding: 33px 57px 9px 56px;
    border: 2px solid #f9a51b;
}

.bbc .introduction {
    margin-top: 50px;
}

.bbc .introduction ul {
    display: flex;
    justify-content: space-between;
}

.bbc .introduction ul li {
    /* --margin: 67px;
    --num: 4;
    width: calc((100% - var(--margin) * (var(--num) + 1)) / var(--num));
    margin-right: var(--margin); */
    flex: 1;
    margin-right: 67px;
    padding: 26px 13px 22px 13px;
    text-align: center;
    line-height: 20px;
    color: #fff;
}

.bbc .introduction ul li:nth-last-of-type(1) {
    margin-right: 0;
}

.buy {
    margin-top: 60px;
}

.buy .buy-top {
    position: relative;
    display: flex;
    align-items: center;
    width: 1230px;
    height: 60px;
    padding-left: 35px;
    margin-left: 50px;
    border-bottom: 1px solid #f9a61c;
}

.buy .buy-top::before {
    position: absolute;
    content: '';
    left: -50px;
    top: 0;
    width: 62px;
    height: 60px;
    background: url(../images/h1-nav-icon.png) no-repeat;
    background-size: 62px 60px;
}

.buy .buy-top h1 {
    font-size: 26px;
    color: #333;
    font-weight: bold;
}

.buy .buy-top h2 {
    font-size: 16px;
    color: #808080;
    margin-top: 12px;
    margin-left: 22px;
}

.buy .buy-list {
    padding: 0 50px;
    margin-top: 67px;
}

.buy .buy-list ul {
    display: flex;
    justify-content: space-between;
}

.buy .buy-list ul li {
    flex: 1;
    margin-right: 89px;
    text-align: center;
    box-shadow: 0px 0px 8px 0px 
		rgba(0, 0, 0, 0.1);
	border-radius: 4px;
    padding: 50px 20px 45px 20px;
}

.buy .buy-list ul li:nth-last-of-type(1) {
    margin-right: 0;
}

.buy .buy-list ul li h3 {
    font-size: 50px;
    color: #999;
    font-weight: bold;
}

.buy .buy-list ul li span {
    display: inline-block;
    color: #333;
    font-weight: bold;
    margin-top: 30px;
}

.buy .buy-list ul li a {
    display: inline-block;
    padding: 8px 21px;
    color: #fff;
    background-color: #f9a51b;
	border-radius: 4px;
    margin-top: 15px;
}

.buy .buy-list ul li p {
    line-height: 26px;
    color: #999;
    margin-top: 18px;
}


.authenticity {
    margin-top: 60px;
}

.authenticity .authenticity-top {
    position: relative;
    display: flex;
    align-items: center;
    width: 1230px;
    height: 60px;
    padding-left: 35px;
    margin-left: 50px;
    border-bottom: 1px solid #f9a61c;
}

.authenticity .authenticity-top::before {
    position: absolute;
    content: '';
    left: -50px;
    top: 0;
    width: 62px;
    height: 60px;
    background: url(../images/h1-nav-icon.png) no-repeat;
    background-size: 62px 60px;
}

.authenticity .authenticity-top h1 {
    font-size: 26px;
    color: #333;
    font-weight: bold;
}

.authenticity .authenticity-top h2 {
    font-size: 16px;
    color: #808080;
    margin-top: 12px;
    margin-left: 22px;
}

.authenticity .authenticity-box {
    display: flex;
    margin-top: 40px;
}

.authenticity .authenticity-box .img-box {
    flex: 1;
}

.authenticity .authenticity-box .query {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5;
}

.authenticity .authenticity-box .query p {
    font-size: 18px;
    color: #333;
    margin-bottom: 32px;
}

.authenticity .authenticity-box .query a {
    display: inline-block;
    font-size: 12px;
    color: #fff;
    padding: 8px 36px;
    background-color: #f9a51b;
    border-radius: 4px;
}


.quality {
    margin-top: 60px;
}

.quality .quality-top {
    position: relative;
    display: flex;
    align-items: center;
    width: 1230px;
    height: 60px;
    padding-left: 35px;
    margin-left: 50px;
    border-bottom: 1px solid #f9a61c;
}

.quality .quality-top::before {
    position: absolute;
    content: '';
    left: -50px;
    top: 0;
    width: 62px;
    height: 60px;
    background: url(../images/h1-nav-icon.png) no-repeat;
    background-size: 62px 60px;
}

.quality .quality-top h1 {
    font-size: 26px;
    color: #333;
    font-weight: bold;
}

.quality .quality-top h2 {
    font-size: 16px;
    color: #808080;
    margin-top: 12px;
    margin-left: 22px;
}

.quality .quality-box {
    display: flex;
    align-items: center;
    margin-top: 50px;
    width: 67%;
    padding-left: 50px;
}

.quality .quality-box .introduction {
    margin-left: 60px;
}

.quality .quality-box .introduction h1 {
    font-size: 14px;
    color: #808080;
    margin-bottom: 22px;
}

.quality .quality-box .introduction p {
    line-height: 26px;
    color: #808080;
}

.distribution {
    margin-top: 60px;
}

.distribution .distribution-top {
    position: relative;
    display: flex;
    align-items: center;
    width: 1230px;
    height: 60px;
    padding-left: 35px;
    margin-left: 50px;
    border-bottom: 1px solid #f9a61c;
}

.distribution .distribution-top::before {
    position: absolute;
    content: '';
    left: -50px;
    top: 0;
    width: 62px;
    height: 60px;
    background: url(../images/h1-nav-icon.png) no-repeat;
    background-size: 62px 60px;
}

.distribution .distribution-top h1 {
    font-size: 26px;
    color: #333;
    font-weight: bold;
}

.distribution .distribution-top h2 {
    font-size: 16px;
    color: #808080;
    margin-top: 12px;
    margin-left: 22px;
}

.distribution .table-box {
    margin-top: 40px;
}

.distribution .table-box table {
    width: 100%;
    border: 1px solid #ccc;
    text-align: center;
}
.distribution .table-box table td {
    padding: 10px;
    max-width: 220px;
    height: 86px;
    color: #333;
}

.distribution .table-box .bgc1 {
    background-color: #fff4e2;
}

.distribution .table-box .bgc2 {
    background-color: #fff3f3;
}


.download {
    margin-top: 60px;

}

.download .download-top {
    position: relative;
    display: flex;
    align-items: center;
    width: 1230px;
    height: 60px;
    padding-left: 35px;
    margin-left: 50px;
    border-bottom: 1px solid #f9a61c;
}

.download .download-top::before {
    position: absolute;
    content: '';
    left: -50px;
    top: 0;
    width: 62px;
    height: 60px;
    background: url(../images/h1-nav-icon.png) no-repeat;
    background-size: 62px 60px;
}

.download .download-top h1 {
    font-size: 26px;
    color: #333;
    font-weight: bold;
}

.download .download-top h2 {
    font-size: 16px;
    color: #808080;
    margin-top: 12px;
    margin-left: 22px;
}

.download .download-box {
    margin-top: 40px;
    
}

.download .download-box ul {
    display: flex;
    justify-content: space-between;
}

.download .download-box ul li {
    display: flex;
    width: calc(50% - 10px);
    box-shadow: 0px 0px 8px 0px 
		rgba(0, 0, 0, 0.1);
	border: solid 1px #e5e5e5;
    padding: 10px;
    box-sizing: border-box;
}

.download .download-box ul li .botton {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.download .download-box ul li .botton h3 {
    font-size: 16px;
	color: #808080;
    text-align: center;
    margin-bottom: 40px;
}

.download .download-box ul li .botton a {
    background-color: #ee1d23;
    color: #fff;
}

.download .download-box ul li .botton a span:first-child {
    padding: 8px 12px;
    background-color: #f9a51b;

}

.download .download-box ul li .botton a span:nth-of-type(2) {
    display: inline-block;
    padding: 8px 17px;
}

.school {
    margin-top: 60px;
}

.school .school-top {
    position: relative;
    display: flex;
    align-items: center;
    width: 1230px;
    height: 60px;
    padding-left: 35px;
    margin-left: 50px;
    border-bottom: 1px solid #f9a61c;
}

.school .school-top::before {
    position: absolute;
    content: '';
    left: -50px;
    top: 0;
    width: 62px;
    height: 60px;
    background: url(../images/h1-nav-icon.png) no-repeat;
    background-size: 62px 60px;
}

.school .school-top h1 {
    font-size: 26px;
    color: #333;
    font-weight: bold;
}

.school .school-top h2 {
    font-size: 16px;
    color: #808080;
    margin-top: 12px;
    margin-left: 22px;
}

.school .school-detail {
    display: flex;
    margin-top: 40px;
    align-items: center;
    padding-bottom: 100px;
}

.school .school-detail .text {
    padding-left: 45px;
    line-height: 26px;
	color: #808080;
}

@media (max-width:1300px) {
    .ywly_w_c {
        width: 100%;
        padding: 0 3%;
    }
    .ywly_banner img {
        width: 100%;
    }
    .bbc .bbc-top {
        width: calc(100% - 55px);
    }
    .buy .buy-top {
        width: calc(100% - 55px);
    }
    .authenticity .authenticity-top {
        width: calc(100% - 55px);
    }
    .quality .quality-top {
        width: calc(100% - 55px);
    }
    .distribution .distribution-top {
        width: calc(100% - 55px);
    }
    .download .download-top {
        width: calc(100% - 55px);
    }
    .school .school-top {
        width: calc(100% - 55px);
    }
}

@media (max-width:1200px) {
    .download .download-box ul {
        flex-direction: column;
    }

    .download .download-box ul li {
        width: 100%;
    }
}

@media (max-width:950px) {
    .bbc .customer {
        width: 100%;
    }
    .bbc .introduction {
        width: 100%;
    }
    .distribution .table-box {
        overflow-x: auto;
    }

    .distribution .table-box table {
        width: 1280px;
    }
}

@media (max-width:767px) {
    .ywly_banner {
        background: url(../images/service-banner.png) ;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
        height: 150px;
    }
    .ywly_banner img {
        display: none;
    }
    .crumb-box {
        display: none;
    }
    .content_list .bbc {
        margin-top: 20px;
    }
    .bbc .text p {
        text-align: left;
    }
    .bbc .customer {
        flex-direction: column;
        align-items: center;
    }
    .bbc .customer .l {
        width: 100%;
        margin-bottom: 20px;
    }
    .bbc .customer .r {
        width: 100%;
        margin-top: 40px;
    }

    .bbc .text {
        margin-top: 20px;
    }

    .bbc .introduction {
        margin-top: 20px;
    }

    .bbc .introduction ul {
        flex-wrap: wrap;
    }

    .bbc .introduction ul li {
        width: 45%;
        margin-bottom: 20px;
        margin-right: 20px;
        flex: auto;
    }

    .bbc .introduction ul li:nth-child(2) {
        margin-right: 0;
    }
    .buy {
        margin-top: 0;
    }

    .buy .buy-list {
        padding: 0;
        margin-top: 20px;
    }

    .buy .buy-list ul {
        flex-direction: column;
    }

    .buy .buy-list ul li {
        margin-right: 0;
        margin-bottom: 10px;
    }

    .authenticity .authenticity-box {
        margin-top: 20px;
        flex-direction: column;
    }
    
    .authenticity .authenticity-box .img-box img {
        width: 100%;
    }

    .authenticity .authenticity-box .query {
        margin-top: 10px;
        padding-bottom: 10px;
    }

    .authenticity .authenticity-box .query p {
        margin-top: 10px;
        margin-bottom: 20px;
    }

    .quality {
        margin-top: 20px;
    }

    .quality .quality-box {
        width: 100%;
        flex-direction: column;
        padding-left: 0;
    }

    .quality .quality-box .introduction {
        margin-left: 0;
    }

    .quality .quality-box .introduction h1 {
        margin-top: 20px;
        margin-bottom: 10px;
    }

    .distribution {
        margin-top: 20px;
    }

    .distribution .table-box {
        margin-top: 20px;
    }
    
    .download {
        margin-top: 20px;
    }

    .download .download-box {
        margin-top: 20px;
    }

    .download .download-box ul li {
        flex-direction: column;
    }
    
    .download .download-box ul li .img-box img {
        width: 100%;
    }

    .download .download-box ul li .botton h3 {
        margin-top: 20px;
        margin-bottom: 10px;
    }

    .school {
        margin-top: 20px;
    }

    .school .school-detail {
        margin-top: 10px;
        flex-direction: column;
    }

    .school .school-detail .img-box img {
        width: 100%;
    }

    .school .school-detail .text {
        padding-left: 0;
        margin-top: 20px;
    }
}