.wrapper {
    background: #fff;
    line-height: 1;
    text-align: center;
    box-sizing: border-box;
    padding-bottom: 1.28rem;
}

.ad_box {
    width: 100%;
    height: 1.17rem;
    position: relative;
}

.ad_box span {
    position: absolute;
    top: 0;
    right: 0;
    width: 1.17rem;
    height: 1.17rem;
    background: url('//7niu.kaokao.mobi/web_ad_close@2x.png') center center/0.64rem 0.64rem no-repeat;
}

.ad_box img {
    display: block;
    width: 100%;
    height: 100%;
}

.logo_box {
    background: #FFFFFF;
}

.logo_box img {
    width: 2.13rem;
    height: 0.64rem;
    padding: 0.27rem 0.32rem;
}

.nav_btn {
    width: 1.28rem;
    height: 1.18rem;
    background: url('//7niu.kaokao.mobi/download_app_zhankai@2x.png') center center/0.64rem 0.64rem no-repeat;
    line-height: 1;
}

.hide_nav {
    position: absolute;
    top: 0;
    right: 0;
    width: 5.6rem;
    height: 100%;
    background: #FFFFFF;
    box-shadow: 0rem 0.07rem 0.21rem 0rem rgba(0, 0, 0, 0.06);
    z-index: 2;
}

.hide_nav ul {
    padding-top: 0.4rem;
}

.hide_nav li {
    font-size: 0.4rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #333333;
    line-height: 1.17rem;
    padding-left: 0.6rem;
    text-align: left;
    position: relative;
}

.hide_nav li span {
    position: absolute;
    top: 0.27rem;
    left: 2.7rem;
    width: 0.8rem;
    height: 0.27rem;
    background: url('//7niu.kaokao.mobi/kk_nav_hot@2x.png') 0 0/100% 100% no-repeat;
}

.hide_nav li img {
    width: 0.53rem;
    height: 0.53rem;
    margin: 0.32rem 0.29rem 0 0.61rem;
}

.hide_nav li .select_img {
    display: none;
}

.hide_nav li:hover {
    background: rgba(254, 103, 103, 0.03);
}

.hide_nav .select_li {
    background: rgba(254, 103, 103, 0.1);
    color: #FE6767;
}

.hide_nav .select_li:hover {
    background: rgba(254, 103, 103, 0.1);
}

.hide_nav .select_li img {
    display: none;
}

.hide_nav .select_li .select_img {
    display: inline-block;
}

#tab {
    bottom: 0.21rem;
}

#tab .swiper-pagination-bullet {
    width: 0.21rem;
    height: 0.11rem;
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0rem 0.03rem 0.08rem 0rem rgba(0, 0, 0, 0.1);
    border-radius: 0.05rem;
    margin: 0 0.06rem;
}

#tab .swiper-pagination-bullet-active {
    width: 1.23rem;
    background: #FE5454;
}

.part8 {
    width: 100%;
    height: 8.49rem;
    background: #4A4B4D url('//7niu.kaokao.mobi/index_logo2@2x.png') 0.33rem 0.36rem/1.81rem 0.48rem no-repeat;
    padding-top: 1.31rem;
    box-sizing: border-box;
}

.part8 img {
    display: block;
    width: 2.93rem;
    height: 2.93rem;
    margin: 0 auto;
}

.part8 .tips {
    font-size: 0.27rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.4);
}

.part8 .dianhua,
.part8 .address,
.part8 .beian {
    font-size: 0.32rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
}

.part8 .dianhua {
    display: block;
    margin: 0.53rem 0 0.31rem;
}

.part8 .beian {
    font-size: 0.24rem;
    color: rgba(255, 255, 255, 0.2);
}

.beian1 {
    margin: 1.04rem 0 0.27rem;
}

.new_banner {
    width: 100%;
    height: 6.67rem;
    position: relative;
    transform-origin: 0 0;
}

.new_banner .swiper-slide1 {
    background: url('//7niu.kaokao.mobi/mobi_index_banner@2x.png') 0 0 / 100% 100% no-repeat;
}

.new_banner .swiper-slide2 {
    background: url('//7niu.kaokao.mobi/mobi_index_banner2@2x.png') 0 0 / 100% 100% no-repeat;
}

.new_banner .swiper-slide3 {
    background: url('//7niu.kaokao.mobi/mobi_index_banner3@2x.png') 0 0 / 100% 100% no-repeat;
}

.index_title {
    font-size: 0.64rem;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    margin: 0 auto;
}

.new_banner .swiper-slide2 .index_title {
    font-size: 0.72rem;
    color: #1061FD;
}

.new_banner p:first-child {
    padding: 1.77rem 0 0.16rem;
}

.new_banner .use_btn {
    width: 2.45rem;
    height: 0.96rem;
    background: #26D263;
    border-radius: 0.13rem;
    font-size: 0.29rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 0.96rem;
    text-align: center;
    margin: 0.84rem auto 0;
}

.new_banner .swiper-slide2 .use_btn {
    background: #1061FD;
}

.title_img {
    display: block;
    width: 2.4rem;
    height: 0.64rem;
}

.part2 .title_img {
    margin: 1.05rem auto 0;
}

.part3 .title_img {
    width: 4.27rem;
    margin: 1.03rem auto 0.16rem;
}

.part4 .title_img {
    width: 2rem;
    height: 0.56rem;
    margin: 0.27rem auto 0.68rem;
}

.part5 .title_img {
    margin: 1.03rem auto 0.43rem;
}

.part6 .title_img {
    margin: 0 auto 0.85rem;
}

.part2>div {
    width: calc(100% - 0.8rem);
    background: #F8FAFB;
    border-radius: 0.13rem;
    padding: 0.28rem 0.28rem 0.76rem;
    margin: 0.53rem auto 0;
    box-sizing: border-box;
    position: relative;
}

.part2 .zk_btn {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 0.4rem;
    background: url('//7niu.kaokao.mobi/mobi_index_arrow@2x.png') center top/0.21rem 0.21rem no-repeat;
}

.part2>.sq_div {
    padding-bottom: 0.48rem;
}

.part2>.sq_div .zk_btn,
.part2>div div p,
.part2>div div div {
    display: none;
}

.part2>.sq_div div p,
.part2>.sq_div div div {
    display: block;
}

.part2>div>div {
    position: relative;
}

.part2 h3 {
    font-size: 0.43rem;
    font-family: PingFang SC;
    font-weight: 500;
    color: #333333;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.part2 h4 {
    font-size: 0.37rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #333333;
    line-height: 1;
    line-height: 0.53rem;
    padding: 0 0.6rem;
    margin: -0.08rem 0;
}

.part2 .red_num {
    color: #F92B53;
}

.part2 .blue_num {
    color: #1C9FF7;
}

.part2 .blue2_num {
    color: #1E91F9;
}

.part2 .orange_num {
    color: #FC830B;
}

.part2 .purple_num {
    color: #4D2BF7;
}

.part2 .dark_blue_num {
    color: #1F5EFC;
}

.part2 .yellow_num {
    color: #CC9156;
}

.part2 p span {
    width: 100%;
    font-size: 0.29rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #666666;
    line-height: 0.32rem;
    text-align: left;
    padding-left: 0.52rem;
    margin-bottom: 0.35rem;
}

.part2 p {
    margin-top: 0.4rem;
}

.part2 .red_p span {
    background: url('//7niu.kaokao.mobi/part2_red_circle@2x.png') 0 0 /0.32rem 0.32rem no-repeat;
}

.part2 .blue_p span {
    background: url('//7niu.kaokao.mobi/part2_blue_circle@2x.png') 0 0 /0.32rem 0.32rem no-repeat;
}

.part2 .blue2_p span {
    background: url('//7niu.kaokao.mobi/part2_blue2_circle@2x.png') 0 0 /0.32rem 0.32rem no-repeat;
}

.part2 .orange_p span {
    background: url('//7niu.kaokao.mobi/part2_orange_circle@2x.png') 0 0 /0.32rem 0.32rem no-repeat;
}

.part2 .purple_p span {
    background: url('//7niu.kaokao.mobi/part2_purple_circle@2x.png') 0 0 /0.32rem 0.32rem no-repeat;
}

.part2 .dark_blue_p span {
    background: url('//7niu.kaokao.mobi/part2_dark_blue_circle@2x.png') 0 0 /0.32rem 0.32rem no-repeat;
}

.part2 .yellow_p span {
    background: url('//7niu.kaokao.mobi/part2_yellow_circle@2x.png') 0 0 /16px 16px no-repeat;
}

.part2_img {
    display: block;
    width: 6.48rem;
    height: 3.6rem;
    margin: 0 auto 0.45rem;
}

.part2 div div i {
    width: 100%;
    font-size: 0.29rem;
    font-family: PingFang SC;
    font-weight: 500;
    font-style: normal;
    color: #333333;
    text-align: left;
    line-height: 0.32rem;
    margin-left: 0.52rem;
}

.part2 div div em {
    font-size: 0.29rem;
    font-family: PingFang SC;
    font-weight: 400;
    font-style: normal;
    color: #666666;
    margin-left: 0.52rem;
    margin-top: 0.21rem;
}

.part2 .red_div {
    background: url('//7niu.kaokao.mobi/part2_red_kefu@2x.png') 0 0 / 0.32rem 0.32rem no-repeat;
}

.part2 .blue_div {
    background: url('//7niu.kaokao.mobi/part2_blue_kefu@2x.png') 0 0 / 0.32rem 0.32rem no-repeat;
}

.part2 .blue2_div {
    background: url('//7niu.kaokao.mobi/part2_blue_kefu@2x.png') 0 0 / 0.32rem 0.32rem no-repeat;
}

.part2 .orange_div {
    background: url('//7niu.kaokao.mobi/part2_orange_kefu@2x.png') 0 0 / 0.32rem 0.32rem no-repeat;
}

.part2 .purple_div {
    background: url('//7niu.kaokao.mobi/part2_purple_kefu@2x.png') 0 0 / 0.32rem 0.32rem no-repeat;
}

.part2 .dark_blue_div {
    background: url('//7niu.kaokao.mobi/part2_dark_blue_kefu@2x.png') 0 0 /16px 16px no-repeat;
}

.part2 .yellow_div {
    background: url('//7niu.kaokao.mobi/part2_yellow_kefu@2x.png') 0 0 /16px 16px no-repeat;
}

.part2 .red_btn {
    background: #F92B53;
}

.part2 .blue_btn {
    background: #1C9FF7;
}

.part2 .blue2_btn {
    background: #1E91F9;
}

.part2 .orange_btn {
    background: #FC830B;
}

.part2 .purple_btn {
    background: #4D2BF7;
}

.part2 .dark_blue_btn {
    background: #1F5EFC;
}

.part2 .yellow_btn {
    background: #CC9156;
}

.part3 div {
    width: 100%;
    height: 8.55rem;
    background: url('//7niu.kaokao.mobi/mobi_kefu_bg@2x.png') center 0/11.83rem 100% no-repeat;
    margin: 0 auto;
}

.part4 .function_nav {
    width: calc(100% - 0.8rem);
    margin: 0 auto 0.57rem;
}

.part4 .function_nav li {
    width: 3.06rem;
    font-size: 0.32rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #2B2C2F;
    border-bottom: 1px solid #F2F5F7;
    text-align: center;
    padding: 0.74rem 0 0.2rem;
}

.part4 .function_nav li:nth-child(1).select_li {
    border-color: #1061FD;
    color: #1061FD;
}

.part4 .function_nav li:nth-child(2).select_li {
    border-color: #FF8417;
    color: #FF8417;
}

.part4 .function_nav li:nth-child(3).select_li {
    border-color: #8A17FF;
    color: #8A17FF;
}

.part4 .function_nav li:nth-child(1) {
    background: url('//7niu.kaokao.mobi/function_nav1@2x.png') center 0/0.53rem 0.53rem no-repeat;
}

.part4 .function_nav li:nth-child(1).select_li {
    background-image: url('//7niu.kaokao.mobi/function_nav1-full@2x.png');
}

.part4 .function_nav li:nth-child(2) {
    background: url('//7niu.kaokao.mobi/function_nav2@2x.png') center 0/0.53rem 0.53rem no-repeat;
}

.part4 .function_nav li:nth-child(2).select_li {
    background-image: url('//7niu.kaokao.mobi/function_nav2-full@2x.png');
}

.part4 .function_nav li:nth-child(3) {
    background: url('//7niu.kaokao.mobi/function_nav3@2x.png') center 0/0.53rem 0.53rem no-repeat;
}

.part4 .function_nav li:nth-child(3).select_li {
    background-image: url('//7niu.kaokao.mobi/function_nav3-full@2x.png');
}

.part4 .function_box {
    width: calc(100% - 0.8rem);
    background: #FFFFFF;
    box-shadow: 0rem 0.07rem 0.21rem 0rem rgba(0, 0, 0, 0.08);
    border-radius: 0.13rem;
    font-size: 0.27rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #666666;
    text-align: center;
    padding: 0.53rem 0;
    margin: 0 auto;
    box-sizing: border-box;
}

.function_box div img:nth-child(2) {
    display: none;
}

.function_box .select_box img:nth-child(1) {
    display: none;
}

.function_box .select_box img:nth-child(2) {
    display: block;
}

.function_box1 .select_box {
    color: #1061FD;
}

.function_box2 .select_box {
    color: #FF8417;
}

.function_box3 .select_box {
    color: #8A17FF;
}

.part4 .function_box img {
    display: block;
    width: 0.85rem;
    height: 0.85rem;
    margin: 0 auto 10px;
}

.function_box>div:nth-child(2) {
    margin-top: 0.67rem;
}

.function_box div div {
    margin-right: 0.8rem;
}

.function_box div div:last-child {
    margin-right: 0;
}

.part5 {
    padding-bottom: 0.81rem;
}

.part5 .qy_box {
    width: calc(100% - 0.8rem);
    height: 5.87rem;
    background: url('//7niu.kaokao.mobi/mobi_qy_bg@2x.png') 0 0 /100% 100% no-repeat;
    margin: 0 auto;
}

.part6 {
    background: #F9FAFC;
    padding: 1.03rem 0 1.07rem;
    position: relative;
}


.get_more {
    position: absolute;
    top: 1.23rem;
    right: 0.35rem;
    font-size: 0.27rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #2B2C2F;
    line-height: 0.32rem;
    background: url('//7niu.kaokao.mobi/mobi_get_more@2x.png') right center/0.32rem 0.32rem no-repeat;
    padding-right: 0.37rem;
}

.part6 ul {
    padding: 0 0.4rem;
}

.part6 li {
    width: 4.46rem;
    background: #FFFFFF;
    border-top: 0.05rem solid #94B0BE;
    border-radius: 0.13rem;
    padding: 0.27rem 0.36rem 0.4rem;
    margin-right: 0.27rem;
    margin-bottom: 0.27rem;
    box-sizing: border-box;
}

.part6 li:nth-child(2n) {
    margin-right: 0;
}

.part6 li:hover {
    box-shadow: 0px 12px 48px 0px rgba(98, 116, 130, 0.12);
}

.part6 li img {
    display: block;
    width: 1.47rem;
    height: 0.93rem;
    object-fit: contain;
    margin-bottom: 0.39rem;
}

.part6 li h5 {
    font-size: 16px;
    font-family: Source Han Sans SC;
    font-weight: 500;
    color: #2B2C2F;
    text-align: left;
    margin-bottom: 22px;
}

.part6 li p {
    font-size: 0.27rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #666666;
    line-height: 0.43rem;
    text-align: justify;
    margin: -0.08rem 0;
}

.part6 li div {
    font-size: 0.27rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #AAAAAA;
    text-align: left;
    margin-top: 0.23rem;
}

.part7 {
    width: 100%;
    height: 3.92rem;
    background: url('//7niu.kaokao.mobi/mobi_bottom_banner@2x.png') 0 0/100% 100% no-repeat;
    padding-top: 2.17rem;
    box-sizing: border-box;
}

.part7 p {
    width: 1.87rem;
    height: 0.77rem;
    background: #FFFFFF;
    border-radius: 0.11rem;
    font-size: 0.27rem;
    font-family: PingFang SC;
    font-weight: 400;
    color: #1061FD;
    line-height: 0.77rem;
    margin: 0 auto;
}

.phone_btn {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    
    height: 1.28rem;
    background: #1061FD;
    text-align: center;
    margin: 0 auto;
}

.phone_btn span {
    font-size: 0.37rem;
    font-family: Source Han Sans SC;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 1.28rem;
    background: url('//7niu.kaokao.mobi/web_index_phone.gif') 0 center/0.43rem 0.43rem no-repeat;
    padding-left: 0.58rem;
}