@media screen and (max-width: 751px) {
    .nav_phone ul {
        padding: 0;
    }

    * {
        padding: 0;
        margin: 0;
        list-style: none;
    }

    body {
        width: 100vw;
    }

    img {
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);

    }

    a {
        text-decoration: none;
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    }

    li {
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    }

    /* 首页 */
    .head {
        position: relative;
        display: flex;
        align-items: flex-end;
        width: 100%;
        height: calc(148vw / 7.5);
        box-sizing: border-box;
        padding: 0 calc(25vw / 7.5);
    }

    .daohang {
        display: block;
        width: calc(44vw /7.5);
        margin-bottom: calc(38vw /7.5);
        cursor: pointer;
    }

    .href_dizhi {
        display: none;
        position: absolute;
        top: 0;
        right: 0;
        z-index: 999999999;
    }

    .href_dizhi .daohang_cuo {
        position: absolute;
        top: calc(63vw /7.5);
        right: calc(25vw /7.5);
        display: flex;
        justify-content: center;
        align-items: center;
        width: calc(53vw / 7.5);
        height: calc(47vw / 7.5);
        /* background-color: rgba(0, 0, 0, 0.7); */
    }

    .nav_platform_phone {
        display: flex;
        flex-direction: column;
        align-items: center;
        position: absolute;
        right: calc(25vw /7.5);
        top: calc(110vw /7.5);
        width: calc(189vw / 7.5);
        /* background: rgba(0, 0, 0, 0.7); */
        box-sizing: border-box;
        padding: calc(25vw / 7.5) 0;
        text-align: center;
        z-index: 999;
    }

    .nav_platform_phone ul li a {
        font-size: calc(28vw /7.5);
        font-family: MicrosoftYaHeiLight;
        color: #FFFFFF;
        letter-spacing: 1px;
        word-break: keep-all;
    }

    .nav_platform_phone ul li {
        margin-bottom: calc(27vw / 7.5);
    }

    .nav_platform_phone ul li:last-child {
        margin-bottom: 0;
    }

    .href_dizhi .daohang_cuo img {
        width: calc(50vw / 7.5);
    }

    .zhanwei {
        display: none;
    }

    .logo {
        width: calc(353vw / 7.5);
        margin-bottom: calc(23vw / 7.5);
        height: calc(80vw / 7.5);
    }

    .nav_pc {
        display: none;
    }

    .da_tu{
        display: none;
    }
    .liner_xian {
        position: relative;
        top: 0;
        height: 3px;
        /* height: calc(100vh / 150 + 100vw  / 150); */
        z-index: 7;
    }

    .img {
        width: 100%;
        height: calc(620vw / 7.5);
        display: flex;
        justify-content: center;
        align-items: center;
        /* margin-top: calc(38vw / 7.5); */
    }

    .zhanhui_tu {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }

    .tu_biaoti {
        display: flex;
        /* padding-top: calc(26vw / 7.5); */
    }

    .biaoti_lan {
        position: relative;
        top: 0;
        left: 0;
        display: flex;
        width: 100%;
        justify-content: flex-start;
        padding: 0 calc(35vw / 7.5);
        /* padding: 0 11.98%; */
        box-sizing: border-box;
        /* margin-top: calc(82vw / 7.5); */
        display: none;
    }

    .biaoti {
        display: flex;
        align-items: center;
    }

    .biaoti span {
        width: calc(7vw / 7.5);
        height: calc(120vw / 7.5);
        /* background: #0087DC; */
        margin-right: calc(22vw / 7.5);
    }

    .biaoti_content p:first-child {
        font-size: calc(48vw / 7.5);
        font-family: MicrosoftYaHei-Bold, MicrosoftYaHei;
        font-weight: bold;
        /* color: #FFFFFF; */
        line-height: 1.5;
        letter-spacing: 1px;
        text-align: left;
    }

    .biaoti_content p:last-child {
        font-size: calc(48vw / 7.5);
        font-family: MicrosoftYaHei;
        /* color: #FFFFFF; */
        line-height: 1.5;
        letter-spacing: 1px;
        text-align: left;
    }

    .nav_phone {
        display: block;
        width: 100%;
        box-sizing: border-box;
        /* padding: 0 130px; */
        padding: 0 calc(30vw / 7.5);
        padding-top: calc(138vw / 7.5);
        /* padding-top: 0; */
    }

    .nav_phone ul {
        display: flex;
        flex-wrap: wrap;
        /* justify-content: center; */
    }

    .nav_phone ul li {
        margin-right: calc(25vw / 7.5);
        margin-bottom: calc(30vw / 7.5);
        width: 22%;
        text-align: center;
        width: calc(213vw / 7.5);
        height: calc(70vw / 7.5);
        /* background: #009FE8; */
        display: flex;
        justify-content: center;
        align-items: center;
        box-sizing: border-box;
    }

    .nav_phone ul li:nth-child(3n) {
        margin-right: 0;
    }

    .nav_phone ul li a {
        font-size: calc(28vw / 7.5);
        letter-spacing: 1px;
        word-break: keep-all;
        font-size: calc(32vw / 7.5);
        font-weight: 400;
        color: #FFFFFF;
        width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        box-sizing: border-box;
        padding: 0 10px;
    }

    /* 首页 */
    /* 弹窗 */
    .video_logo_img .video_quxiao {
        width: calc(50vw / 7.5);
        height: calc(50vw / 7.5);
        flex: none;
    }

    .video_logo {
        width: calc(235vw/7.5);
    }

    .logo_img {
        width: calc(675vw / 7.5);
    }

    .video_tc .video_xiangqing {
        width: calc(675vw / 7.5);
        height: calc(380vw / 7.5);
    }

    .video_logo_img {
        width: calc(675vw / 7.5);
    }

    .img_logo {
        width: calc(235vw/7.5);
        height: auto;
    }

    .tanchuang_logo {
        width: 100%;
        align-items: flex-end;
        box-sizing: border-box;
        padding-bottom: 40px;
    }

    .img_quxiao {
        width: calc(50vw / 7.5);
        height: calc(50vw / 7.5);
        flex: none;
        object-fit: contain;
    }

    .shuo_pc {
        display: none;
    }

    .img_xiangqing {
        width: calc(675vw / 7.5);
        height: calc(380vw / 7.5);
    }

    /* 精彩掠影 */
    .big_tu_div {
        width: 100vw;
        height: calc(408vw / 7.5);
        /* background: #D8D8D8; */
        margin-top: calc(77vw / 7.5);
    }

    .big_tu_div .swiper-container {
        width: 100vw;
        height: calc(408vw / 7.5);
    }

    .nav_jingcai {
        width: 100%;
        margin: calc(40vw /7.5) 0 calc(45vw /7.5) 0;
    }

    .nav_jingcai ul li {
        width: calc(96vw / 7.5);
        font-size: calc(24vw / 7.5);
        border-bottom: 3px solid transparent;
        line-height: calc(31vw / 7.5);
    }

    .nav_jingcai ul li.active {
        border-bottom: 3px solid #1F96D5;
    }

    .zhaopian_list_div {
        width: 100%;
        padding: calc(15vw / 7.5) calc(30vw/7.5);
        box-sizing: border-box;
    }

    .zhaopian {
        width: 100%;
        overflow: hidden;
    }

    .img_sin {
        width: calc(325vw / 7.5);
        height: calc(217vw / 7.5);
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
        margin-bottom: calc(40vw / 7.5);
    }

    /* .zhaopian .zhaopian_list {
        margin: calc(15vw / 7.5) calc(30vw/7.5);
    } */

    .zhaopian .zhaopian_list {
        margin: 20px 0 30px 0;
        ;
    }

    .jingcai_xian_pc {
        width: auto;
    }

    .img_sin {
        margin-right: calc(40vw / 7.5);
    }

    .img_sin:nth-child(5n) {
        margin-right: calc(40vw/7.5);
    }

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

    .title_bg {
        /* padding: 0 5px 5px 5px; */
        padding: 8px;
    }

    .zhaopian span {
        font-size: calc(18vw / 7.5);
    }

    .video_item {
        width: calc(324vw / 7.5);
        height: calc(183vw / 7.5);
        margin-right: calc(42vw / 7.5);
    }

    .video_item:nth-child(3n) {
        margin-right: calc(42vw / 7.5);
    }

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

    /* 线上展 */
    .music {
        top: calc(198vw /7.5);
        right: calc(25vw /7.5);
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    }

    .daohang_wenzi {
        display: flex;
        top: calc(198vw /7.5);
        position: absolute;
        left: calc(25vw /7.5);
        font-size: calc(30vw /7.5);
        font-family: Source Han Sans CN;
        font-weight: 400;
        color: #FFFFFF;
        width: 65%;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* .daohang_wenzi>div{
        
    } */
    .daohang_wenzi>div:last-child {
        margin-left: calc(5vw /7.5);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    /* div.platform_music{
        top: calc(198vw /7.5);
        left: calc(25vw /7.5);
    } */

    .music img {
        width: calc(45vw /7.5);
        margin-right: 10px;
    }

    .music p {
        font-size: calc(30vw / 7.5);
    }

    .biaoti_lan {
        padding-top: calc(16vw / 7.5);
        /* padding-top: 0; */
    }

    .platform {
        height: auto;
        overflow-y: visible;

    }

    .platform_box {
        display: none;
        /* top: calc(775vw / 7.5); */
        width: 100%;
        overflow-y: visible;
        height: auto;
        /* background-color: rgba(0, 135, 220, 0.8); */
        bottom: 0;
        background: none;

    }

    .platform_item {
        border-bottom: calc(100vw * 1 / 1920) solid rgb(187, 192, 204);

        background: rgba(0, 135, 220, 0.1);

    }

    .platform_item .first {
        height: calc(91vw / 7.5);
        padding: calc(10vw / 7.5) calc(100vw * 57 /750);
    }

    .second_item {
        border-bottom: calc(100vw * 1 / 1920) solid rgb(6, 85, 139);

    }

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

    /* .platform_item{
        background-color: rgba(0, 135, 220, 0.8);
    } */

    .platform_item .first>p {
        font-size: calc(24vw / 7.5);
        font-weight: normal;
    }

    .platform_item .second .second_item .second_content>p {
        font-size: calc(22vw / 7.5);

    }

    .biaoti_zhantai {
        justify-content: flex-end;
    }

    .biaoti_zhantai p:first-child {
        text-align: right;
    }

    .biaoqian {
        /* width: calc(119vw / 7.5);
        height: calc(30vw / 7.5); */
        font-size: calc(18vw / 7.5);
        padding: calc(5vw / 7.5) calc(10vw / 7.5);
    }

    .biaoqian .fangkuai {
        width: calc(10vw/7.50);
        height: calc(10vw / 7.5);
        margin-right: calc(10vw / 7.5);
    }

    .zhantai_swiper .swiper-slide>img {
        width: 100%;
    }

    .zhantai_swiper {
        width: calc(750vw / 7.5);
        height: calc(422vw/7.5);
        margin-top: calc(138vw / 7.5);
    }

    .zhantai_swiper .swiper-container {
        width: 100%;
        height: calc(422vw/7.5);
    }

    .zhantai_swiper .swiper-container .swiper-slide .shiying_box {
        width: 100%;
        height: calc(422vw / 7.5);
        transform: translateX(-50%) translateY(-50%);
        position: absolute;
        top: 50%;
        left: 50%;
    }

    .zhantai_swiper .swiper-slide {
        position: relative;
        width: 100%;
    }

    .zhantai_swiper .swiper-slide .shiying_box>img {
        height: calc(422vw/7.5);
        width: 100vw;
    }

    .red_dian {
        line-height: 1.8;
        width: calc(40vw / 7.5);
    }

    .red_dian .red_tit {
        visibility: visible;
        padding: calc(0vw / 7.5) calc(3vw / 7.5);
        font-size: calc(16vw / 7.5);
        margin-bottom: 0;
        display: none;
    }

    .red_dian img {
        width: calc(40vw /7.5);
    }

    .zhantai_zuojiantou {
        width: calc(60vw / 7.5);
        height: calc(58vw / 7.5);
    }

    .zhantai_youjiantou {
        width: calc(60vw / 7.5);
        height: calc(58vw / 7.5);
    }

    .swiper_jiantou img {
        width: calc(38vw / 7.5);
    }

    .zhantai_zuojiantou {
        top: calc(460vw / 7.5);
        left: calc(22vw / 7.5);
    }

    .zhantai_youjiantou {
        top: calc(460vw / 7.5);
        right: calc(22vw / 7.5);
    }

    .tanchuang_item {
        position: fixed;
    }

    .tc_zx>div {
        position: fixed;
    }

    .tanchuang_item .tc_content {

        width: 100%;
        height: auto;
        /* calc(803vw / 7.5) */
        height: 68%;
        /* background-color: rgba(66, 204, 255, 0.5); */
        padding: calc(48vw / 7.5) calc(29vw / 7.5);
        box-sizing: border-box;
    }

    .swiper-slide .bofang img {
        width: calc(100vw * 35 / 750);
    }

    .wenzi_jieshao {
        padding: 0;
    }

    #swiper_detail .bofang>img {
        width: calc(100vw * 65 / 750);
    }

    .wenzi_jieshao .title div {
        font-size: calc(24vw / 7.5);
    }

    .wenzi_jieshao .text .red_name {
        font-size: calc(28vw / 7.5);
        line-height: calc(37vw / 7.5);
        margin-top: calc(100vw * 58 / 1920);
    }

    .tc_weizhi {
        width: calc(25vw / 7.5);
        margin-right: calc(8vw / 7.5);
    }

    .wenzi_jieshao .text {
        font-size: calc(22vw / 7.5);
    }

    .platform_item img {
        width: calc(18vw / 7.5);
        margin-left: calc(100vw * 10 / 750);
    }

    .cuo {
        width: calc(38vw / 7.5);
        top: calc(27vw / 7.5);
        right: calc(27vw / 7.5);
    }

    .Swiper {
        position: relative;
        margin-top: calc(64vw /7.5);
    }

    #swiper_detail {
        width: calc(694vw /7.5);
        height: calc(346vw / 7.5);
        margin: 0;
    }

    .tc_anniu {
        display: flex;
        justify-content: center;
        width: 100%;
        margin: 0 calc(27vw / 7.5) 0 0;
        margin-top: calc(30vw / 7.5);
    }

    .tc_anniu>div {
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
        width: calc(204vw / 7.5);
        height: calc(44vw /7.5);
        background: #616161;
        border-radius: 5px;
        margin-right: calc(40vw / 7.5);
        font-size: calc(24vw / 7.5);
    }

    .tc_anniu .lianjie {
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
        width: calc(204vw / 7.5);
        height: calc(44vw /7.5);
        background: #616161;
        border-radius: 5px;
        font-size: calc(24vw / 7.5);
    }

    .zixun_content {
        width: 100%;
        height: calc(803vw / 7.5);
        padding: calc(24vw / 7.5) calc(29vw / 7.5) calc(56vw / 7.5) calc(29vw / 7.5);
    }

    .xianshang span {
        display: block;
        width: calc(4vw / 7.5);
        height: calc(19vw / 7.5);
        background: #0287DC;
        margin-right: calc(11vw / 7.5);
    }

    .xianshang {
        align-items: center;
    }

    .xianshang p {
        font-size: calc(24vw / 7.5);
        font-weight: normal;
    }

    .xianshang img {
        width: calc(38vw / 7.5);
    }

    .zixun_txt>p {
        margin-top: calc(38vw / 7.5);
        margin-bottom: calc(39vw / 7.5);
        font-size: calc(22vw / 7.5);
    }

    .input {
        margin-bottom: calc(23vw / 7.5);
    }

    .input img:first-child {
        width: calc(18vw / 7.5);
    }

    .input p {
        font-size: calc(22vw / 7.5);
        opacity: 0.8;
    }

    .btn button {
        width: calc(204vw / 7.5);
        height: calc(44vw / 7.5);
        background: #616161;
        border-radius: 5px;
        font-size: calc(24vw / 7.5);
    }

    .xieyi div {
        font-size: calc(22vw / 7.5);
    }

    .xieyi input {
        width: calc(20vw / 7.5);
        height: calc(20vw / 7.5);
    }

    .input {
        width: calc(595vw / 7.5);
        height: calc(54vw / 7.5);
        background: rgba(0, 135, 220, 0.3);
        border: 2px solid #2CAEFF;
    }

    .input img:last-child {
        width: calc(12vw / 7.5);
    }

    .swiper_jiantou {
        width: calc(60vw / 7.5);
        height: calc(58vw / 7.5);
        background: #2894D5;
        opacity: 0.8;
    }

    .youjiantou {
        position: absolute;
        top: 50%;
        right: calc(27vw / 7.5);
        transform: translateY(-50%);
        z-index: 9;
    }

    .zuojiantou {
        position: absolute;
        top: 50%;
        left: calc(27vw / 7.5);
        transform: translateY(-50%);
        z-index: 9;
    }

    .shuo_phone {
        position: absolute;
        display: block;
        width: calc(50vw / 7.5);
        top: calc(163vw / 7.5);
        right: calc(15vw / 7.5);
        transform: rotate(180deg);
        z-index: 999;
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    }

    .zhanshi_box {
        height: calc(422vw / 7.5);
        /* margin-top: 20px;.nav_phone_left */
    }

    .shuosuo_phone_active {
        transform: rotate(0deg);
    }

    .thumbs .swiper-slide {
        width: calc(202vw / 7.5);
        height: calc(110vw / 7.5);
    }

    .thumbs {
        width: 100%;
        box-sizing: border-box;
        height: calc(80vw / 7.5);
        padding: 0 calc(27vw / 7.5);
    }

    .thumbs .swiper-container {
        width: 100%;
        height: calc(80vw / 7.5);
        box-sizing: border-box;
        /* padding: 0 calc(54vw / 7.5); */
    }

    .slide_img {
        width: calc(130vw / 7.5);
        height: calc(73.125vw / 7.5);
    }

    .input input {
        font-size: calc(22vw / 7.5);
    }

    .btn {
        margin-top: calc(39vw / 7.5);
        margin-bottom: calc(18vw / 7.5);
    }

    .platform_item .second .second_item .second_content {
        /* height: calc(91vw / 7.5); */
        padding: calc(10vw / 7.5) calc(100vw * 57 / 750);
    }

    .back {
        width: calc(100vw * 120 / 750);
        height: calc(100vw * 50/ 750);
        top: calc(750vw / 7.5);
        right: calc(100vw * 50 / 750);

    }

    .back p {
        font-size: calc(24vw / 7.5);
    }

    .back img {
        width: calc(30vw / 7.5);
    }

    .swiper-slide #bofang img {
        width: calc(30vw / 7.5);
    }

    .swiper-slide #bofang {
        z-index: 99999999;
    }

    .input input {
        font-size: calc(22vw / 7.5);
    }

    .detail {
        margin-top: 10px;
        width: 100%;
        font-size: calc(22vw / 7.5);
    }


    .scroll {
        /* calc(635vw / 7.5) */
        max-height: 54vh;
        padding-right: calc(20vw / 7.5);
        margin-top: calc(10vw / 7.5);
        scrollbar-color: rgba(0, 0, 0, .8) rgb(255, 255, 255, 0.2);
        scrollbar-width: thin;
        -ms-overflow-style: none;
    }

    .scroll::-webkit-scrollbar {
        /*滚动条整体样式*/

        width: 5px;
        /*高宽分别对应横竖滚动条的尺寸*/

        height: 1px;

    }

    .scroll::-webkit-scrollbar-thumb {
        /*滚动条里面小方块*/

        border-radius: 5px;

        -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);

        background: rgb(255, 255, 255, 0.2);


    }

    .scroll::-webkit-scrollbar-track {
        /*滚动条里面轨道*/

        -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);

        border-radius: 5px;

        background: rgba(0, 0, 0, .8);


    }

    #swiper_detail #bofang>img {
        width: calc(65vw / 7.5);
    }

    .thumbs {
        margin-top: calc(20vw / 7.5);
    }


    .zhankai_img {
        display: flex;
        width: 100%;
        height: calc(104vw / 7.5);
        /* background: #052D4A; */
        display: flex;
        justify-content: flex-end;
        align-items: center;
        box-sizing: border-box;
        padding: calc(20vw / 7.5) calc(47vw / 7.5) 0 calc(47vw / 7.5);
        border-top-left-radius: calc(30vw / 7.5);
        border-top-right-radius: calc(30vw / 7.5);
    }

    .v3_phone {
        border-top-left-radius: calc(30vw / 7.5);
        border-top-right-radius: calc(30vw / 7.5);
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        display: block;
        z-index: 99999999999;
    }

    .zhankai_img p {
        font-size: calc(30vw / 7.5);
        font-family: Source Han Sans CN;
        font-weight: 400;
        /* color: #FFFFFF; */
        margin-right: calc(19vw / 7.5);
    }

    .nav_content {
        position: relative;
        display: flex;
        justify-content: space-between;
        width: 100%;
        /* height: calc(604vw / 7.5); */
        height: calc(550vw / 7.5);
    }

    .nav_phone_content {
        display: none;
    }

    .nav_phone_left {
        width: calc(214vw / 7.5);
        height: 88%;
        /* display: flex; */
        /* justify-content: center; */
        /* flex-direction: column; */
        margin-top: calc(37vw / 7.5);
        /* border-right: 1px solid rgba(255, 255, 255, 0.2); */
        box-sizing: border-box;
        overflow-y: auto;
        overflow-x: hidden;
        /* padding-bottom: calc(30vw / 7.5); */
    }

    .nav_phone_left>div {
        width: calc(215vw / 7.5);
        height: calc(96vw / 7.5);
        background: transparent;
        box-sizing: border-box;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 0 calc(30vw / 7.5);
        cursor: pointer;
        overflow-x: hidden;
        position: relative;
    }

    .nav_phone_left>div>div {
        display: flex;
        justify-self: center;
        align-items: center;
        height: calc(40vw / 7.5);
        box-sizing: border-box;
        padding-left: calc(24vw / 7.5);
        border-left: calc(5vw / 7.5) solid transparent;
        font-size: calc(30vw / 7.5);
        font-family: Source Han Sans CN;
        font-weight: 400;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .nav_phone_left>div.nav_active {
        
        width: calc(215vw / 7.5);
        height: calc(96vw / 7.5);
    }

    .nav_phone_left>div>div.nav_act {
        border-left: calc(5vw / 7.5) solid #FFFFFF;
    }

    .second_box {
        height: calc(420vw / 7.5);
        overflow-y: auto;
    }

    .second_box>div a {
        font-size: calc(30vw / 7.5);
        font-family: Source Han Sans CN;
        /* font-weight: bold; */
        line-height: calc(45vw / 7.5);
        margin-bottom: calc(20vw / 7.5);
        display: block;
        cursor: pointer;
    }




    .nav_phone_right {
        width: calc(535vw / 7.5);
        height: 100%;
        box-sizing: border-box;
        display: flex;
        padding: calc(67vw / 7.5) calc(31vw / 7.5) 0 calc(44vw / 7.5);
        flex-direction: column;
    }

    .phone_nav_right {
        display: block;
    }

    .zonglan {
        font-size: calc(30vw / 7.5);
        font-family: Source Han Sans CN;
        /* font-weight: bold; */
        /* color: #7FB7E6; */
        line-height: calc(45vw / 7.5);
        margin-bottom: calc(20vw / 7.5);
        cursor: pointer;
    }

    .phone_index {
        overflow: auto;
    }

    .phone_biaoti {
        display: block;
    }

    div.sansexian {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        /* height: calc(3vw / 7.5)!important; */
        /* height: 7px !important; */
        /* height: calc(311 * 100vh / 112500 ) !important; */
        height: calc( 311px / 150 ) !important;
        /* height: 3px!important; */
        border-left: none !important;
        padding-left: 0 !important;
    }


}