.index_c .list {
    display: flex;
    padding: 14px 23px
}

.index_c .title {
    margin-top: 30px;
    margin-left: 23px
}

.index_c .sub_title {
    margin-top: 6px;
    margin-left: 23px
}

.index_c .list > div:first-child {
    width: 80px;
    height: 80px;
    margin-right: 19px
}

.index_c .list .eng {
    margin-top: 4px
}

.index_c .list p {
    margin-top: 10px
}

.index_c {
    color: #444444;
    background-color: #fff
}

.index_c .fuzhu {
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    margin-top: 2rem;
}

.index_c .fuzhu .long {
    display: flex;
    justify-content: space-around;
    width: 80.1rem;
}

.index_c .fuzhu .long > div {
    width: 100%;
    height: 24.5rem
}

.index_c .lilun {
    overflow: auto;
    -webkit-overflow-scrolling: touch
}

.index_c .lilun .long {
    display: flex;
    justify-content: space-around;
    width: 68rem
}

.index_c .lilun .long > div {
    width: 100%
}

.index_c .footer {
    padding: 22px;
    background-color: #f6f6f6
}

.line {
    height: 10px;
    background-color: #f6f6f6;
}

.line2px {
    height: 1px;
    background-color: #e5e5e5;
    margin-left: 1.5rem;
    margin-right: 1.5rem;
    margin-top: 1.5rem
}

.t8 {
    margin-top: 8px;
}

.b10 {
    margin-bottom: 10px;
}

.t24 {
    margin-top: 24px;
}

.t16 {
    margin-top: 16px;
    text-shadow: 2px 1px 3px #efefef
}

.t6 {
    margin-top: 6px;
}

.left20 {
    margin-left: 20px;
}

.right18 {
    margin-right: 18px;
}

.top_txt {
    top: 7rem;
    left: 2.5rem;
    position: absolute;
    z-index: 2;
}

/*tongue*/
.more_txt {
    padding: .4rem 0rem .4rem 1.5rem;
    color: #798496;
    background-color: #f6f6f6;
}

.sec1_txt {
    padding: 1.5rem;
}

.sec_2 {
    text-align: center;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
}

.t15 {
    margin-top: 1.5rem;
}

.sec2_img1 {
    width: 58%;
    margin: auto;
    margin-top: 1.5rem;
}

.sec2_img2 {
    width: 67%;
    margin: auto;
    margin-top: 1.5rem;
}

.sec2_img3 {
    width: 86%;
    margin: auto;
}

.sec2_space {
    width: 2px;
    height: 5px;
    margin: auto;
}

.sec4 {
    background-color: #19232d;
    color: white;
    text-align: center;
    padding: 1.5rem 1.6rem 1.6rem 2rem;
}

.sec4 p {
    line-height: 1.5;
}

.sec4_imgs > div {
    width: 100%;
    margin: auto;
    display: flex;
    justify-content: space-between;
}

.sec4_imgs > div > div {
    margin-bottom: 1.6rem;
    text-align: center;
    justify-content: space-around;
}

.sec4_imgs > div > div > div:nth-of-type(1) {
    width: 8rem;
    height: 8rem;
    -webkit-border-radius: 70px;
    -moz-border-radius: 70px;
    border-radius: 70px;
}

.sec4_imgs > div > div > div:nth-of-type(2) {
    font-size: 14px;
}

.sec4_img1 {
    background: url("../images/tongue/Tongue_img_24.png") no-repeat center;
    background-size: contain;
}

.sec4_img2 {
    background: url("../images/tongue/Tongue_img_25.png") no-repeat center;
    background-size: contain;
}

.sec4_img3 {
    background: url("../images/tongue/Tongue_img_26.png") no-repeat center;
    background-size: contain;
}

.sec4_img4 {
    background: url("../images/tongue/Tongue_img_27.png") no-repeat center;
    background-size: contain;
}

.sec4_img5 {
    background: url("../images/tongue/Tongue_img_28.png") no-repeat center;
    background-size: contain;
}

.sec4_img6 {
    background: url("../images/tongue/Tongue_img_29.png") no-repeat center;
    background-size: contain;
}

.sec4_img7 {
    background: url("../images/tongue/Tongue_img_30.png") no-repeat center;
    background-size: contain;
}

.sec4_img8 {
    background: url("../images/tongue/Tongue_img_31.png") no-repeat center;
    background-size: contain;
}

.sec4_img9 {
    background: url("../images/tongue/Tongue_img_32.png") no-repeat center;
    background-size: contain;
}

.line_4f575e {
    height: 1px;
    background: #4f575e;
}

.sec4_txt2 {
    text-align: left;
    margin-top: .5rem;
    margin-bottom: 1.5rem;
}

.sec4_txt3 {
    text-align: left;
    margin-top: 1.5rem;
}

.sec6 {
    text-align: center;
    padding: 1.5rem .6rem 1.5rem .6rem;
}

.sec7 {
    text-align: center;
    /*padding-top: 1.5rem;*/
}

.sec7_txt {
    padding: 1rem 1.5rem 1rem 1.5rem;
    text-align: left;
}

.sec7 .swiper-container {
    height: 19.8rem
}

.fontb {
    font-weight: bold;
}

.txtcenter {
    text-align: center;
}

.txtleft {
    text-align: left;
}

.sec2_eight {
    display: flex;
    justify-content: space-between;
    margin: .5rem 0.2rem 1.8rem 0.2rem;
}

.sec2_eight > div {
    width: 12.5%;
    height: auto;
}

.headtop {
    height: 17.5rem;
    width: 100%;
    margin: auto;
    position: relative;
}
.headtop img{
    width: 100%;
}
.headtop .content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    width: 100%;
    background: url(../images/tongue/Tongue_img_1.png) no-repeat center;
    background-size: cover;
}

.tongue_img1 {
    background: url("../images/tongue/tongue-swiper1.png") no-repeat center;
    background-size: cover;
}

.tongue_img2 {
    background: url("../images/tongue/tongue-swiper2.png") no-repeat center;
    background-size: cover;
}

.tongue_img3 {
    background: url("../images/tongue/tongue-swiper3.png") no-repeat center;
    background-size: cover;
}

.tongue_img4 {
    background: url("../images/tongue/tongue-swiper4.png") no-repeat center;
    background-size: cover;
}

.tongue_img5 {
    background: url("../images/tongue/tongue-swiper5.png") no-repeat center;
    background-size: cover;
}

.swiper-container-horizontal > .swiper-pagination-bullets, .swiper-pagination-custom, .swiper-pagination-fraction {
    bottom: 0.5rem;
    left: 0;
    width: 100%;
}

.sec8 {
    background-color: #f2f9ff;
    padding: 1rem;
}

.sec8 .content {
    padding-top: 1rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.sec8 .step1 {
    min-width: 13.8rem;
    height: 6.92rem;
    background: url("../images/tongue/step1.png") no-repeat center;
    background-size: cover;
}

.sec8 .img {
    width: 29.8rem;
    height: 85.7rem;
    margin:1rem auto;
    background: url("../images/tongue/step1_pic.png") no-repeat center;
    background-size: contain;
}

.sec9 {
    background-color: #ffffff;
    /*height: 51rem;*/
    padding: 1rem;
}

.sec9 .content {
    padding-top: 1rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.sec9 .step2 {
    min-width: 8.3rem;
    height: 6.92rem;
    background: url("../images/tongue/step2.png") no-repeat center;
    background-size: cover;
}

.sec9 .img {
    width: 18.7rem;
    height: 13.3rem;
    margin:2rem auto;
    background: url("../images/tongue/jiqi1.png") no-repeat center;
    background-size: contain;
}

.sec10 {
    background-color: #f2f9ff;
    /*height: 51rem;*/
    padding: 1rem;
}

.sec10 .content {
    padding-top: 1rem;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.sec10 .step3 {
    min-width: 8.3rem;
    height: 6.92rem;
    background: url("../images/tongue/step3.png") no-repeat center;
    background-size: cover;
}

.sec10 .img {
    width: 12.92rem;
    height: 13.3rem;
    margin:2rem auto;
    background: url("../images/tongue/jiqi2.png") no-repeat center;
    background-size: contain;
}

.sec9 .desc,.sec10 .desc{
    display:flex;
    justify-content:space-around;
    width:86%;
    margin:auto;
}
.sec9 .desc .col .param,.sec10 .desc .col .param{
    height: 4rem;
}
.service{
    position: relative;
    padding: 3rem;
    padding-left: 2rem;
    box-sizing: border-box;
}
.service .bg{
    position:absolute;
    top:0;
    left:1rem;
    width:18.5rem;height:24.8rem;
    background:url("../images/tongue/bg.png")no-repeat center;
    background-size: cover;
}

.service span{
    background: linear-gradient(to right,#6fd586, #07cfad);
    -webkit-background-clip: text;
    color: transparent;
}
.service .content{
    margin-top: 1.6rem;
    display:flex;
    justify-content: flex-start;
}

.service .content > div:first-child{
    min-width:19rem;
    margin-right: 1rem;
}
.service ul li{
    line-height: 2;
    white-space: nowrap;
}

.service .content > div > div:first-child{
    border-bottom:1px solid #ccc;
    padding-bottom: 1rem;
    margin-bottom: 1rem;

}