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

:target{
    padding-top: 100px !important;
}

.flexd {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 99999;
}

.center {
    margin: 0 auto;
    width: 1308px;
}

.sccenter {
    width: 1720px;
    margin: 0 auto;
}

header {
    width: 100%;
    background-color: #000000;
}

.head_conter {
    width: 1360px;
    margin: 0 auto;
    height: 70px;
}

.head_menu {
    margin: 0 0 0 62px;
    height: 100%;
}

.head_menu ul {
    display: flex;
    align-items: center;

}

.head_menu ul li {
    margin: 0 32px 0 0;
    height: 100%;
    position: relative;
}

.head_menu ul li:hover .menu_list {
    display: block;
}

.head_menu ul li:hover>a {
    color: #fc7217;
    transition: all 0.5s;
}

.menu_list a:hover  {
    transition: all 0.5s;
    color: #fc7217;
}

.menu_list {
    display: none;
    position: absolute;
    top: 62px;
    left: 0;
    background-color: #000000;
    width: 208px;
    text-align: left;
    transform: translate(-6%);
    z-index: 222;
    padding-left: 15px;
}

.menu_list a{
    line-height: 45px !important;
}

.head_menu ul li a {
    display: block;
    line-height: 62px;
    font-size: 16px;
    color: #fff;
}



.head_name {
    color: #fff;
    font-size: 16px;
}

.banner {
    width: 100%;
    display: flex;
    align-items: center;
    position: relative;
}

.banner p {
    position: absolute;
    bottom: 5px;
    font-size: 36px;
    color: #fff;
}

.banner p:last-child {
    left: 50%;
}

.banner video {
    width:100%;
}

.explain {
    margin: 149px auto 137px auto;
}


.explain p {
    /* font-family: "Noto Sans SC"; */
    font-weight: 500;
    color: #4f4f4f;
    font-size: 48px;
}

.explain span {
    color: #fc7217;
    font-size: 58px;
}

.explain p:nth-child(2) {
    text-align: right;
    margin-top: 82px;
}


.now_logo {
    position: relative;
}

.now_logo p {
    font-size: 18px;
    color: #4f4f4f;
    position: absolute;
    left: 157px;
    bottom: 0;
    /* font-family: "Noto Sans SC"; */
    font-weight: 500;
    text-align: left;
}

.now_cont {
    justify-content: center;
    margin-top: 92px;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

.now_list {
    display: block;
    width: 43%;
    border: 1px solid #eeeeee;
    box-sizing: border-box;
    padding: 0 2%;
    margin-bottom: 25px;
    box-shadow: #eeeeee 0px 0px 20px;
}

.now_list:hover .list_title {
    border-bottom: 1px solid #fc7217;
}

.now_list:nth-child(2n) {
    margin-left: 17px;
}

.now_list .list_title {
    font-size: 30px;
    color: #000000;
    border-bottom: 1px solid #2e2d2d;
    margin: 30px 0 0 0;
    padding-bottom: 14px;
    transition: all 0.5s;
}

.now_list .list_cont {
    margin: 15px 0 30px 0;
    line-height: 2;
    font-size: 14px;
    /* font-family: "Noto Sans SC"; */
    font-weight: 300;
    color: #595959;
}

.process {
    width: 100%;
    background: url("../process.jpg") center center no-repeat;
    background-attachment: fixed;
    background-size: cover;
}


.process_cont p:nth-child(1) {
    text-align: center;
    color: #ffffff;
    font-size: 36px;
    line-height: 72px;
    padding-top: 80px;
}


.process_title {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 1px solid #fff;
    line-height: 160px;
    text-align: center;
    font-size: 48px;
    color: #ffffff;
    font-weight: 100;
    cursor: pointer;
    transition: all 0.5s;
}

.process_nav:hover .process_title {
    transition: all 0.5s ease-in;
    transform: rotateY(360deg);
}

.process_nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.process_nav>p {
    color: #fff;
    font-size: 30px;
    font-size: 100;
    line-height: 60px;
}

.process_list {
    margin-top: 100px;
}

.process_cont1 {
    padding-top: 30px;
    padding-bottom: 231px;
}

.function {
    padding-top: 50px;
    padding-bottom: 0px;
}

.function>p {
    /* font-family: "Noto Sans SC"; */
    font-weight: 500;
    color: #4f4f4f;
    font-size: 50px;
    text-align: center;
}

.function>p>span {
    color: #fc7217;
    font-size: 50px;
}

.function_list {
    align-items: flex-start;
    flex-wrap: wrap;
    justify-content: space-around;
    margin-top: 220px;
}

.function_nav {
    width: 29%;
    margin-bottom: 100px;
    margin-left: 40px;
    cursor: pointer;
}

.function_nav:hover .function_title {
    color: #fc7217;
    transition: all 0.5s;
}

.function_nav:nth-child(1):hover .function_title {
    color: #000000;
    transition: all 0.5s;
}

.function_nav:nth-child(5):hover .function_title {
    color: #000000;
    transition: all 0.5s;
}

.function_title {
    font-size: 30px;
    color: #000000;
}

.function_ptile {
    font-size: 18px;
    color: #595959;
    line-height: 40px;
}

.function_p {
    font-size: 15px;
    color: #595959;
    line-height: 40px;
    text-align: center;
}


.xian {
    position: relative;
}

.xian::after {
    position: absolute;
    bottom: -14px;
    left: 0;
    content: "";
    width: 60px;
    height: 2px;
    background-color: #fc7217;
}

.posr {
    position: relative;
    top: -40px;
}

.function_title span {
    font-size: 19px;
}

.last_t {
    font-size: 22px;
}

.function_title {
    align-items: flex-end;
    justify-content: flex-start;

}

.more_ti {
    font-size: 18px;
    padding-bottom: 6px;
    border-bottom: 2px solid #fc7217;
    margin-left: 40px;
}


.scenario {
    width: 100%;
    height: 590px;
    background: url("../lastback.jpg") center center no-repeat;
    background-size: cover;
    overflow: hidden;
}


.scenario_title {
    color: #fc7217;
    font-size: 34px;
    font-weight: bold;
    width: 376px;
    padding-left: 30px;
    margin-right: 60px;
}

.scenario_cont {
    padding-top: 95px;
    align-items: flex-start;
    justify-content: start;
}

.scenario_list {
    width: 170px;
    height: 170px;
    border-radius: 5px;
    border: 1px solid #595959;
    transform: rotate(45deg);
    margin-left: 69px;
    position: relative;
    top: -9px;
    transition: all 0.5s;
}

.scenario_list p:last-child {
    display: none;
}

.scenario_list:hover p:first-child {
    display: none;
}

.scenario_list:hover p:last-child {
    display: block;
}

.scenario_left {
    display: flex;
    flex-wrap: wrap;
    width: 155%;
    position: relative;
    left: -97px;
}

.scenario_padd {
    margin-left: 145px;
}

.scenario_prs {
    position: relative;
    top: -60px;
    left: -45px;
}

.scenario_prs1 {
    position: relative;
    top: -109px;
    left: 75px;

}

.scenario_list p {
    font-size: 34px;
    color: #ffffff;
    line-height: 170px;
    text-align: center;
    transform: rotate(-45deg);
}

.scenario_list p:nth-child(2) {
    font-size: 21px;
}

.scenario_list:hover {
    background-color: #fc7217;
    border: 1px solid #fc7217;
}

footer {
    background-color: #000000;
    border-top: 1px solid #929292;
}

.foot_cont {
    width: 1000px;
    margin: 0 auto;
    color: #fff;
    line-height: 2;
    padding: 10px;
    font-size: 14px;
}

.foot_me ul {
    display: flex;
}

.foot_me ul li {
    margin-right: 30px;
}

.foot_cont a {
    color: #fff;
}

.pcenter {
    width: 1360px;
    margin: 0 auto;
}

.mining {
    background: url("../miningback.jpg") no-repeat center;
    background-size: cover;
}


.mining_top {}

.mining_cont {
    align-items: flex-end;
    padding-left: 35px;
    padding-top: 60px;
    font-size: 16px;
    line-height: 38px;
    color: #4f4f4f;
    padding-bottom: 68px;
}

.mining_title {
    padding-top: 50px;
    padding-left: 10px;
    font-size: 50px;
    color: #fc7217;
    position: relative;
}

.mining_title::before {
    position: absolute;
    content: "";
    height: 113px;
    width: 2px;
    left: 0;
    bottom: 0;
    background-color: #fc7217;
}

.mining_right {
    color: #fc7217;
    position: relative;
    top: 30px;
    align-items: flex-end;

}

.mining_right img {
    padding-left: 5px;
}

.mining_nav {
    border: 1px solid #dddddd;
}

.mining_nav:hover img {
    transition: all 0.5s;
    transform: rotateY(360deg);
}

.mining_list {
    width: 100%;
    justify-content: center;
}

.mining_nav {
    width: 250px;
    height: 450px;
    text-align: center;
    margin: 200px 10px;
    font-size: 20px;
    color: #4f4f4f;
    line-height: 100px;
}

.mining_nav :nth-child(1) {
    font-size: 22px;
    color: #4f4f4f;
    line-height: 100px;
}


.mining_nav :nth-child(3) {
    line-height: 0px;
    font-size: 20px;
}

.mining_nav a .mining_more {
    border-radius: 15px;
    padding: 15px;
    font-size: 16px;
    line-height: 0;
    border: 1px solid #dddddd;
    width: 40%;
    margin: 0 auto;
}


.mining_more:hover {
    color: #fc7217;
}

.tb_title {
    font-size: 24px;
    color: #4f4f4f;
    display: flex;
    align-items: center;
    width: 100%;
}

.tb_title img {
    margin-right: 5px;
}

.tb_titlep {
    font-size: 15px;
    padding: 30px 0 0 0px;
    line-height: 1.5;
    color: #6c6c6c;
    line-height: 38px;
}

.table_cont {
    font-size: 16px;
    padding: 30px 0;
    align-items: flex-start;
    padding-left: 31px;
}

table {
    line-height: 1.5;
    color: #4f4f4f;
}

table td,
th {
    padding: 5px;
}

.widthtd {
    width: 60px;
}

.widthtd1 {
    width: 80px;
}

.table_right tr td:nth-child(1) {
    width: 100px;
}

.table_right tr td:nth-child(2) {
    width: 649px;
}

.table_right {
    padding-left: 60px;
    width: 100%;
}

.tablev {
    line-height: 1.5;
    padding: 40px 0 0 0;
    font-size: 16px;
    color: #6c6c6c;
}


.table_left {
    width: auto;
}

.tablls {
    width: 50%;
}

.lcbt {
    padding-top: 60px;
}

.lcbt:nth-child(2n-1) {
    background-color: #f5f5f5;
}

.visibility_left {
    border-left: 2px solid #fc7217;
    padding-left: 23px;
    height: 120px;
    position: relative;
    width: 50%;
}

.visibility_left p:nth-child(1) {
    font-size: 48px;
    position: absolute;
    top: 0;
    font-weight: bold;
}

.visibility_left p:nth-child(1) span {
    font-size: 30px;
    font-weight: 300;
}

.visibility_left p:nth-child(2) {
    font-size: 18px;
    position: absolute;
    bottom: 0;
}

.visibility_left p:nth-child(2) span {
    font-size: 36px;
}

.visibility {
    padding: 75px 0;
}

.visibility_list {
    display: flex;
    padding: 10px;
    font-size: 16px;
    align-items: center;
}

.visibility_list img {
    padding-right: 10px;
    max-width: 100%;
    width: 20px;
    height: 20px;
}

.visibility_right {
    width: 50%;
}

.visibility_mp:nth-child(2n) .visibility_cont {
    flex-direction: row-reverse;
    justify-content: flex-end;
}


.visibility_cont {
    /* flex-direction: row-reverse; */
    align-items: flex-end;
    justify-content: flex-end;
}

.visibility_vid {
    width: 636px;
    position: relative;
    overflow: hidden;
}

.visibility_vid img:nth-child(1){
    transition: all 0.5s;
}

.visibility_vid:hover img:nth-child(1){
    transform: scale(1.1)
}
.visibility_vid img:nth-child(2){
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}

.visibility_mp {
    padding: 120px 0;
}

.visibility_mp:nth-child(2n) {
    background-color: #f5f5f5;
}

.vido_sm {
    padding: 0 90px;
    color: #4f4f4f;
    font-size: 20px;
    line-height: 1.5;
}

.vido_sm p:nth-child(2) {
    font-size: 16px;
}


.transmission {
    background-color: #000000;
}

.transmission_title {
    font-size: 48px;
    color: #fc7217;
}

.transmission_titlef {
    font-size: 24px;
    color: #fff;
    padding: 60px 0 40px 0;
}

.transmission_ce {
    padding: 70px 0 230px 0;
}

.transmission_list {
    justify-content: space-between;
}

.transmission_nav {
    width: 16%;
    font-size: 24px;
    color: #b0b0b0;
    text-align: center;
    line-height: 5;
}

.transmission_nav img {
    width: 100%;
}

.transmission_navtop {
    font-size: 36px;
    line-height: 75px;
    width: 100%;
    border: 1px solid #b4b4b4;
    color: #b4b4b4;
    text-align: center;
}

.contrast_title {
    justify-content: center;
    font-size: 36px;
    padding: 30px;
}

.contrast_title img {
    margin: 0 20px;
}


.contrast_cent {
    justify-content: center;
    position: relative;
}

.contrast_cent1f {
    font-size: 20px;
    color: #131313;
    background-color: #f0f0f0;
    border-radius: 5px;
    border: 1px solid #9a9a9a;
    padding: 5px 10px 5px 20px;
    margin: 29px 0;
}

.contrast_cent1 {
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
}

.contrast_cent3 {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
}

.contrast_cent3f {

    font-size: 20px;
    color: #131313;
    background-color: #f0f0f0;
    border-radius: 5px;
    border: 1px solid #9a9a9a;
    padding: 5px 20px 5px 10px;
    margin: 29px 0;
}

.xianzhong {
    position: absolute;
    top: 50%;
    left: 49%;
    transform: translate(-50%, -50%);
    z-index: 22;
    text-align: center;
    font-size: 20px;
    color: #fc7217;
    line-height: 40px;
}

.contrast_bod {
    border-bottom: 2px solid #000000;
    padding-bottom: 150px;
}

.optimization {
    flex-wrap: wrap;
}

.optimization_list {
    width: 49.5%;
    color: #fbf9f9;
    background-color: #3c3c3c;
    margin-bottom: 10px;
}

.optimization_conts {
    width: 80%;
    font-size: 16px;
    line-height: 2;
    padding: 40px 70px 60px 0;
}

.optimization_conts p:first-child {
    font-size: 24px;
    padding-bottom: 15px;
}

.optimization_logo {
    width: 20%;
    padding-left: 20px;
}

.optimization_matitl {
    padding-top: 83px;
    font-size: 36px;
    color: #fff;
}

.optimization_matitl p:nth-child(2) {
    font-size: 230px;
    text-align: center;
}

.optimization_matitl p:nth-child(3) {
    padding-top: 50px;
    text-align: 24px;
    text-align: right;
    padding-bottom: 15px;
}

.optimization_matitl p:nth-child(4) {
    text-align: 24px;
    text-align: right;
}

.solution_h1 {
    font-size: 26px;
}

.solution_cont {
    align-items: center;
}

.solution_nav {
    text-align: center;
    padding: 0 20px;
    color: #000000;
    line-height: 1.9;
    padding-bottom: 90px;
}

.solution_nav span {
    color: #fc7217;
}

.solution_oktil {
    font-size: 24px;
    color: #4f4f4f;
}

.solution_okcont {
    margin-top: 30px;
    width: 100%;
    height: 530px;
    background: url("../so1.jpg") center no-repeat;
    background-size: cover;
}

.solution_okcont2 {
    background: url("../so2.jpg") center no-repeat;
}

.solution_okcont3 {
    background: url("../so3.jpg") center no-repeat;
}

.solution_okcont4 {
    background: url("../so4.jpg") center no-repeat;
}

.solution_okcont5 {
    background: url("../so5.jpg") center no-repeat;
}

.solution_okcont6 {
    background: url("../so6.jpg") center no-repeat;
}


.solution_okcs {
    justify-content: flex-start;
    align-items: stretch;
    color: #fff;
}

.solution_okcontlsit {
    width: 25%;
    box-sizing: border-box;
    padding-top: 100px;
    padding-left: 30px;
    border-right: 1px solid #fff;
    position: relative;
    align-self: flex-start;
    transition: all 0.5s;
}



.solution_okcontlsit::after {
    position: absolute;
    right: -6px;
    bottom: -11px;
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 1px solid #fff;
}

.solution_okcontlsit:last-child {
    border-right: none;
}

.solution_okcontlsit:last-child::after {
    display: none;
}

.solution_okcontlsit h1 {
    font-size: 26px;
    padding-bottom: 43px;
}

.solution_okcontlsit p {
    font-size: 16px;
    line-height: 2;
    padding-bottom: 20px;
    transition: all 0.5s;
}


.scenarioss {
    margin-top: 56px;
    padding-left: 22px;
    border-left: 2px solid #fc7217;
}

.scenarioss_title {
    font-size: 48px;
    margin: 0 0 12px 0;
}

.scenarioss_list1 {
    padding-top: 40px;
}

.scenarioss_list1 a {
    font-size: 20px;
    color: #4f4f4f;
    margin: 0 20px 0 0;
}

.scenarioss_list1 a:hover {
    color: #fc7217;
}

.scenarioss_list1 {
    margin: 8px 0;
}

.scenarioss_ooc {
    padding-bottom: 100px;
    border-top: 1px solid #000000;
}


.scenarioss_ooctilt {
    justify-content: flex-start;
    font-size: 26px;
    padding-top: 45px;
}

.scenarioss_ooctilt img {
    position: relative;
    left: -15px;

}

.scenarioss_ooclistcont {
    flex-wrap: wrap;
    justify-content: flex-start;
}

.scenarioss_ooclist {
    width: 32%;
    box-shadow: #b4b4b4 0 0 15px;
    box-sizing: border-box;
    padding: 55px 38px;
    margin-top: 20px;
    height: 300px;
    margin: 20px 10px 0 10px;
    cursor: pointer;
}

.scenarioss_ooclist1 {
    padding-bottom: 5px;
    border-bottom: 1px solid #ffffff;
    transition: all 0.5s;
}


.scenarioss_ooclist:hover .scenarioss_ooclist1 {
    border-bottom: 1px solid #fc7217;
    color: #fc7217;
}

.scenarioss_otileft {
    font-size: 24px;
}

.scenarioss_otiright {
    font-size: 36px;
    color: #fc7217;
}


.scenarioss_oticont {
    font-size: 16px;
    color: #4f4f4f;
    margin-top: 30px;
    line-height: 1.8;
}

#aboutbanner {
    width: 100%;
    max-height: 1074px;
    margin-top: -2px;
}

.aboutimg {
    width: 100%;
    padding-top: 50px;
    border-radius: 30px;
}

.aboutmomu {
    font-size: 16px;
    line-height: 2;
    padding-bottom: 150px;

}

.aboutmomu p {
    text-indent: 2em;
}

.about_last {
    background: url('../abputimglat.jpg') center center no-repeat;
    background-size: cover;
}

.abbout_contlast {
    padding: 100px 0;
}

.about_lastleft {
    box-sizing: border-box;
    padding: 56px;
    font-size: 24px;
    color: #fc7217;
    width: 60%;
    background-color: #fff;
    line-height: 2;
}

.about_lastleft p:last-child {
    font-size: 18px;
    color: #4c4c4c;
    line-height: 1.8;
}

.about_lastright {
    box-sizing: border-box;
    padding: 56px;
    font-size: 24px;
    color: #fc7217;
    width: 38%;
    border: 1px solid #ffffff;
    line-height: 2;
}

.about_lastright p:last-child {
    font-size: 18px;
    color: #ffffff;
    line-height: 1.8;
}

.phonehead {
    display: none;
}

.contrast_imgss {
    display: none;
}

.scenarioimg_lst {
    display: none;
}

.mining_left {
    font-size: 15px;
}

.toplis {
    position: fixed;
    bottom: 60px;
    right: 60px;
    width: 60px;
    z-index: 55555;
    cursor: pointer;
}

.vidos{
    display: none;
    width: 100%;
    height: 100vh;
    position: fixed;
    z-index: 222;
    top: 0;
    left: 0;
}

.vidos video{
    width: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    z-index: 33333;
}


@media screen and (max-width: 1720px) and (min-width:1100px) {
    .pcenter {
        box-sizing: border-box;
        width: 98%;
    }

    .center {
        width: 98%;
    }

    header {
        box-sizing: border-box;
    }

    .contrast_title img {
        width: 30%;
    }

    .contrast_title {
        flex-wrap: wrap;
    }

    .contrast_title {
        font-size: 30px;
    }

    .head_conter {
        width: 98%;
    }

    .sccenter {
        width: 98%;
        box-sizing: border-box;
    }

    .solution {
        box-sizing: border-box;
    }

    .scenarioss_ooclist {
        width: 48%;
    }

    .scenarioss_list {
        width: 100%;
        box-sizing: border-box;
    }

    .mining_cont {
        width: 100%;
        padding-left: 0;
    }

    .scenario {
        display: none;
    }

    .scenarioimg_lst {
        width: 100%;
        display: block;
    }

    .scenarioimg_lst img {
        width: 100%;
    }
}

@media screen and (max-width: 1100px) {
    .toplis {
        position: fixed;
        bottom: 20px;
        right: 24px;
        width: 33px;
        z-index: 55555;
        cursor: pointer;
    }

    header {
        display: none;
    }

    .phonehead {
        display: block;
        width: 100%;
        background-color: #000000;
        box-sizing: border-box;
        padding: 0 10px;
    }

    .center {
        width: 100%;
        box-sizing: border-box;
        padding-left: 10px;
        padding-right: 10px;
    }

    .hpgone_lists {
        display: none;
        z-index: 333333;
    }

    .hpgone_lists ul li {
        text-align: center;
        line-height: 1.8;
        font-size: 18px;
    }

    .hpgone_lists ul li a {
        display: block;
        margin: 20px 0;
        color: #fff;
    }

    .contrast_cent {
        display: none;
    }

    .contrast_imgss {
        display: block;
    }

    .scenario {
        display: none;
    }

    .scenarioimg_lst {
        display: block;
    }

    .flesx {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 333;
    }

    .phonehead {
        display: block;
        width: 100%;
    }

    .explain span {
        color: #fc7217;
        font-size: 27px;
    }


    .explain p {
        /* font-family: "Noto Sans SC"; */
        font-weight: 500;
        color: #4f4f4f;
        font-size: 18px;
    }

    .explain {
        margin: 29px auto 37px auto;
    }

    .explain p:nth-child(2) {
        text-align: right;
        margin-top: 22px;
    }

    .now_logo img {
        width: 30%;
    }

    .now_logo p {
        font-size: 18px;
        color: #4f4f4f;
        position: absolute;
        left: 0;
        bottom: -32px;
        /* font-family: "Noto Sans SC"; */
        font-weight: 500;
        text-align: left;
    }

    .now_list {
        width: 95%;
    }

    .now_list:nth-child(2n) {
        margin-left: 0;
    }

    .now_cont {
        margin-bottom: 34px;
    }

    .process_cont p:nth-child(1) {
        text-align: center;
        color: #ffffff;
        font-size: 18px;
        line-height: 35px;
        padding-top: 41px;
    }

    .process_list {
        margin-top: 73px;
        flex-wrap: wrap;
    }

    .process_nav {
        width: 100%;
    }

    .process_cont1 {
        padding-top: 30px;
        padding-bottom: 55px;
    }

    .function>p {
        /* font-family: "Noto Sans SC"; */
        font-weight: 500;
        color: #4f4f4f;
        font-size: 18px;
        text-align: center;
    }

    .function>p>span {
        color: #fc7217;
        font-size: 22px;
    }

    .function {
        padding-top: 64px;
        padding-bottom: 2px;
    }

    .function_list {
        align-items: flex-start;
        flex-wrap: wrap;
        justify-content: space-around;
        margin-top: 100px;
    }

    .function_nav {
        width: 95%;
        margin-bottom: 68px;
        margin-left: 40px;
    }

    .foot_cont {
        width: 100%;
        box-sizing: border-box;
    }

    .foot_me ul li {
        margin-right: 18px;
    }

    .pcenter {
        width: 95%;
        margin: 0 auto;
    }

    .mining_title {
        padding-top: 51px;
        padding-left: 23px;
        font-size: 34px;
        position: relative;
    }

    .mining_title::before {
        position: absolute;
        content: "";
        height: 58px;
        width: 2px;
        left: 0;
        bottom: 0;
        background-color: #fc7217;
    }

    .mining_cont {
        align-items: flex-end;
        padding-left: 0px;
        padding-top: 29px;
        font-size: 16px;
        line-height: 38px;
        color: #4f4f4f;
        padding-bottom: 68px;
        flex-wrap: wrap;
    }

    .mining_list {
        flex-wrap: wrap;
        justify-content: flex-start;
    }

    .mining_nav {
        width: 48%;
        height: auto;
        text-align: center;
        margin: 26px 2px;
        font-size: 31px;
        color: #4f4f4f;
        line-height: 100px;
    }

    .tb_title {
        font-size: 21px;


    }

    .tb_titlep {
        font-size: 15px;
        padding: 17px 0 0 29px;
        line-height: 1.5;
        color: #6c6c6c;
    }

    .table_cont {
        font-size: 16px;
        padding: 34px 0;
        align-items: flex-start;
        flex-wrap: wrap;
    }

    .table_left {
        width: 100%;
    }

    .table_right {
        padding-top: 20px;
        padding-left: 0;
    }

    .tablev {
        line-height: 1.5;
        padding: 19px 0 0 0;
        font-size: 18px;
        color: #4f4f4f;
    }

    .lcbt {
        padding-top: 30px;
    }

    .visibility {
        flex-wrap: wrap;
    }

    .visibility_left {
        width: 100%;
        height: 83px;
    }

    .visibility_left p:nth-child(1) {
        font-size: 33px;
        position: absolute;
        top: 0;
        font-weight: bold;
    }

    .visibility_left p:nth-child(2) {
        font-size: 15px;
        position: absolute;
        bottom: 0;
    }

    .visibility_left p:nth-child(2) span {
        font-size: 22px;
    }

    .visibility_right {
        width: 100%;
        margin-top: 50px;
    }

    .visibility_mp {
        padding: 0;
        padding-bottom: 30px;
    }

    .visibility_cont {
        flex-wrap: wrap;
    }

    .visibility_vid {
        width: 100%;
        height: auto;
    }

    .visibility_vid video {
        height: auto;
    }

    .vido_sm {
        padding-left: 0;
        color: #4f4f4f;
        font-size: 20px;
        line-height: 1.5;
        width: 100%;
    }

    .transmission_ce {
        padding: 34px 0 33px 0;
    }

    .transmission_title {
        font-size: 44px;
        color: #fc7217;
    }

    .transmission_titlef {
        font-size: 20px;
        color: #fff;
        padding: 35px 0 40px 0;
    }

    .transmission_list {
        flex-wrap: wrap;
    }

    .transmission_nav {
        width: 32%;
        font-size: 17px;
        color: #b0b0b0;
        text-align: center;
        line-height: 5;
    }


    .mining_right {
        flex-wrap: wrap;
        bottom: 0;
    }

    .solution_okcs {
        flex-wrap: wrap;
    }

    .solution_okcontlsit {
        width: 96%;
        margin-bottom: 20px;
    }

    .solution_okcont {
        height: auto;
        background-size: cover;
    }


    .sccenter {
        width: 100%;
        box-sizing: border-box;
    }

    .scenarioss_list1 a {
        font-size: 20px;
        color: #4f4f4f;
        margin: 0;
        padding: 0 20px 15px 0;
        display: inline-block;
    }

    .scenarioss_ooclist {
        width: 100%;
    }

    .scenarioss {
        box-sizing: border-box;
    }

    .scenarioss_ooctilt img {
        position: relative;
        left: 0;
        padding-right: 15px;
    }

    .abbout_contlast {
        padding: 51px 0;
        flex-wrap: wrap;
        justify-content: center;
    }

    .about_lastleft,
    .about_lastright {
        width: 90%;
        margin-bottom: 15px;
    }

    .optimization_list {
        width: 100%;
    }

    .optimization_matitl {
        padding-top: 30px;
        font-size: 19px;
        color: #fff;
    }

    .optimization_matitl p:nth-child(2) {
        font-size: 61px;
        text-align: center;
        padding-top: 15px;
    }

    .optimization_matitl p:nth-child(3) {
        padding-top: 30px;
        text-align: 24px;
        text-align: right;
        padding-bottom: 15px;
    }

    .menu_list1 {
        margin: 0;
    }

    .mining_nav a .mining_more {
        margin-bottom: 20px;
    }

    .menu_list1 {
        display: none;
        box-sizing: border-box;
    }

    .menu_list1 a:first-child {
        margin-top: 0;
    }

    .menu_list1 a:last-child {
        margin-bottom: 0;
    }

    .contrast_title{
        flex-wrap: wrap;
        font-size: 27px;
    }

    .contrast_title img{
        width: 30%;
    }

    .vidos video {
        width: 91%;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%,-50%);
        z-index: 33333;
    }

    .vidos{
        background-color: rgba(0, 0, 0, 0.5);
    }

}