@media screen and (min-width: 284px) {
  body {
    font-size: 14px;
    color: #333333;
  }
  
  .w {
    width: 1020px;
    margin: 0 auto;
  }
  
  /* 导航 */
  .nav {
    position: fixed;
    width: 100%;
    height: 73px;
    z-index: 11;
    background-color: #fff;
    box-shadow: 2px 4px 14px rgba(0, 0, 0, .2);
  }
  
  .nav h1 .logo {
    display: block;
  }
  
  .nav h1 .logo img {
    height: 45px;
    margin-top: 14px;
  }

  /* 在线签约 */
  .nav .btn {
    height: 100%;
  }

  .nav .btn a {
    display: block;
    width: 88px;
    height: 31px;
    line-height: 31px;
    border-radius: 28px;
    font-size: 12px;
    text-align: center;
    color: #fff;
    margin-top: 22px;
    background: linear-gradient(right, #2385E6, #0369CD);
    background: -webkit-linear-gradient(right, #2385E6, #0369CD);
    background: -o-linear-gradient(right, #2385E6, #0369CD);
    background: -moz-linear-gradient(right, #2385E6, #0369CD);
    background: -mos-linear-gradient(right, #2385E6, #0369CD);
  }

  /* 合作咨询 */
  .nav .zxun {
    /* width: 105px; */
    height: 100%;
    text-align: center;
    margin: 23px 44px 0 54px;
  }

  /* 菜单 */
  .nav ul {
    height: 100%;
    line-height: 73px;
  }

  .nav ul li {
    position: relative;
    float: left;
    margin: 0 29px;
  }

  .nav ul a:hover {
    color: #0268CC;
  }

  .nav ul li .in {
    display: none;
    position: absolute;
    top: 73px;
    left: 0;
    width: 88px;
    height: auto;
    background-color: #fff;
    margin-left: -17px;
    z-index: 99;
  }

  .nav ul li .in li {
    float: none;
    margin: 0;
  }

  .nav ul li .in li a {
    display: block;
    width: 88px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    font-size: 12px;
    color: #666;
    border-bottom: 1px solid #EEEEEE;
  }

  .nav ul li .in li a:hover {
    color: #0268CC;
  }

  /* banner */
  .banner {
    position: relative;
    width: 100%;
    padding-top: 73px;
  }

  .banner img {
    width: 100%;
    /* height: 720px; */
  }

  .banner .nr {
    position: absolute;
    top: 50%;
    left: 16.2%;
    transform: translateY(-50%);
  }

  .banner .nr::before {
    position: absolute;
    top: 3px;
    left: -15px;
    content: '';
    display: block;
    width: 3px;
    height: 88px;
    background-color: #fff;
  }

  .banner .nr h3 {
    font-size: 35px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 15px;
  }

  .banner .nr p {
    font-size: 18px;
    color: #fff;
  }

  /* 核心优势 */
  .advantage {
    position: relative;
    width: 100%;
    height: 762px;
    padding: 88px 0 109px;
    box-sizing: border-box;
  }

  .advantage .top {
    text-align: center;
    margin-bottom: 69px;
  }

  .advantage .top h3 {
    font-size: 31px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 22px 0 15px;
  }

  .advantage .top img {
    width: 60px;
  }

  .advantage .top span {
    font-size: 12px;
    font-weight: bold;
    color: #0268CC;
  }


  .advantage .hd {
    position: relative;
    width: 35%;
    height: 379px;
    padding-left: 14%;
    box-sizing: border-box;
  }

  .advantage .bd {
    width: 60%;
  }

  .advantage .hd h3 {
    font-size: 31px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 22px 0 15px;
  }

  .advantage .hd img {
    width: 60px;
  }

  .advantage .hd span {
    font-size: 12px;
    font-weight: bold;
    color: #0268CC;
  }

  #swiper-container06 {
    /* position: relative; */
    width: 100%;
    height: 379px;
    float: right;
  }

  #swiper-wrapper06 .swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    width: 80%;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
  }

  #swiper-wrapper06 .swiper-slide img {
    width: 100%;
    height: 100%;
  }

  #swiper-wrapper06 .swiper-slide p {
    position: absolute;
    left: 0;
  }

  #swiper-wrapper06 .swiper-slide:nth-child(n) {
    width: 20%;
  }

  .mu {
    position: absolute;
    top: 0;
    left: 20%;
    width: 80%;
    height: 100%;
    background: rgba(0, 0, 0, .45);
    z-index: 99;
  }

  #swiper-button-next06::after,
  #swiper-button-prev06::after {
    font-size: 12px;
  }

  #swiper-button-next06,
  #swiper-button-prev06 {
    top: 76%;
    outline: none;
  }

  #swiper-button-prev06 {
    left: 30%;
  }

  #swiper-button-next06 {
    left: 34%;
  }

  #swiper-container07 {
    position: absolute;
    top: 50%;
    /* left: 16%; */
    right: 0;
    width: 263px;
    text-align: left;
  }

  #swiper-container07 p {
    font-size: 22px;
    font-weight: bold;
    color: #333333;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 21px;
  }

  #swiper-container07 span {
    font-size: 13px;
    color: #333333;
  }

  /* 品牌定制 */
  .brand {
    position: relative;
    width: 100%;
    height: 583px;
  }

  .brand_img {
    width: 50%;
    height: 100%;
  }

  .brand_img img {
    width: 100%;
    height: 100%;
  }

  .brand_cont {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 56.6%;
    height: 481px;
    background-color: #fff;
    box-shadow: 0px 0px 28px 5px rgba(57, 57, 57, 0.08);
    padding: 3.8% 0 3.8% 11.65%;
    box-sizing: border-box;
  }

  .brand_cont .hd {
    margin-bottom: 38px;
  }

  .brand_cont .hd img {
    width: 53px;
  }

  .brand_cont .hd h3 {
    font-size: 31px;
    font-weight: bold;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 13px;
  }

  .brand_cont .hd span {
    font-weight: bold;
    color: #0268CC;
  }

  .brand_cont .bd li {
    margin-bottom: 13px;
  }

  .brand_cont .bd img {
    vertical-align: middle;
    margin-right: 12px;
  }

  .brand_cont .bd span {
    font-size: 13px;
    font-weight: bold;
  }

  .brand_cont .bd li:nth-child(4) img {
    margin-right: 5px !important;
  }

  .brand_cont .bd p {
    color: #666;
    margin-left: 46px;
    margin-top: 4px;
    font-size: 12px;
  }

  /* 中小学全科覆盖 */
  .subject {
    width: 100%;
    margin-top: 58px;
  }

  .subject .hd {
    position: relative;
    width: 100%;
    height: 75px;
    margin-bottom: 58px;
  }

  .subject .hd img:first-child {
    width: 97px;
    height: 74px;
  }

  .subject .hd span {
    display: inline-block;
    width: 22px;
    height: 1px;
    background-color: #0C71D4;
    margin-bottom: 36px;
  }

  .subject .hd .img01 {
    position: absolute;
    top: -18px;
    left: 13%;
    width: 715px;
  }

  .subject .bd ul li:nth-child(5n+5) {
    margin-right: 0;
  }

  .subject .bd ul li {
    position: relative;
    float: left;
    width: 175px;
    height: 233px;
    background: #FBFBFB;
    box-shadow: 0px 0px 48px 3px rgba(51, 51, 51, 0.14);
    margin-right: 3.5%;
    border-radius: 10px;
    overflow: hidden;
  }

  .subject .bd ul li img {
    width: 100%;
    height: 100%;
  }

  /* .subject .bd ul .bd_in {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 146px;
    height: 160px;
    box-shadow: 0px 0px 48px 3px rgba(51, 51, 51, 0.14);
    text-align: center;
  }

  .subject .bd ul .bd_in img {
    width: 118px;
    height: 160px;
  } */

  .subject .bd .ul1 li:first-child {
    box-shadow: none;
    background-color: transparent;
  }

  .subject .bd .ul1 li:last-child {
    box-shadow: none;
    background-color: transparent;
  }

  .subject .bd p {
    font-size: 15px;
    text-align: center;
    margin-top: 22px;
    font-weight: bold;
  }

  /* 云尚学 */
  .formulate {
    width: 100%;
    margin-top: 104px;
  }

  .formulate .hd {
    text-align: center;
    margin-bottom: 15px;
  }

  .formulate .hd h3 {
    font-size: 26px;
    font-weight: bold;
    color: #0268CC;
    margin-bottom: 15px;
  }

  .formulate .hd span {
    display: inherit;
    font-size: 15px;
    font-weight: bold;
  }

  .formulate .hd img {
    width: 368px;
    height: 400px;
    margin-top: 15px;
  }

  .formulate .bd {
    display: flex;
    justify-content: space-around;
  }

  .formulate .bd .item {
    text-align: center;
  }

  .formulate .bd .item p {
    font-size: 44px;
    font-weight: bold;
    color: #0268CC;
  }

  /* 本地化教研解决方案，云尚学教研云端支持 */
  .fn {
    width: 100%;
    /* height: 558px; */
    padding: 70px 0 50px;
    margin-top: 58px;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
  }

  .fn h3 {
    font-size: 26px;
    font-weight: bold;
    color: #fff;
    text-align: center;
    /* padding-top: 72px; */
    /* box-sizing: border-box; */
    margin-bottom: 55px;
  }

  #swiper-container01 {
    width: 610px;
    height: 250px;
  }

  #swiper-container01 .swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    transition: 300ms;
    transform: scale(0.8);
  }

  #swiper-wrapper01 .swiper-slide-active,.swiper-slide-duplicate-active{
    transform: scale(1);
  }


  #swiper-wrapper01 .swiper-slide {
    border-radius: 15px;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
  }

  .fn .line {
    position: relative;
    width: 100%;
    height: 1px;
    background-color: #fff;
    margin: 44px 0 23px;
  }

  .fn .line::after {
    position: absolute;
    top: 0;
    left: 49%;
    transform: translate(-50%, -50%);
    content: '';
    display: block;
    width: 175px;
    height: 3px;
    background-color: #0268CC;
  }

  .fn .nr {
    text-align: center;
  }

  .fn .nr p {
    font-size: 18px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 15px;
  }

  .fn .nr span {
    font-size: 13px;
    color: #fff;
  }

  #swiper-container09 {
    width: 300px;
    margin: 0 auto;
  }

  /* 全环节服务支撑 */
  .fw {
    width: 100%;
    height: 531px;
    margin-top: 58px;
  }

  .fw .hd {
    text-align: center;
    margin-bottom: 50px;
  }

  .fw .hd h3 {
    font-size: 26px;
    font-weight: bold;
    color: #0268CC;
    margin-bottom: 14px;
  }

  .fw .hd span {
    font-size: 15px;
    font-weight: bold;
  }

  .fw .bd {
    position: relative;
    width: 100%;
    height: 411px;
  }

  .fw .bd .bd_in {
    display: flex;
    justify-content: space-between;
  }

  .fw .bd .bd_in .item {
    width: 228px;
    height: 301px;
    border-radius: 7px;
    background-color: #fff;
  }

  .fw .bd .bd_in .item img {
    width: 100%;
    height: 131px;
  }

  .fw .bd .bd_in .item .nr {
    text-align: center;
    padding: 22px 27px 0;
    box-sizing: border-box;
  }

  .fw .bd .bd_in .item .nr p {
    font-size: 14px;
    font-weight: bold;
    color: #0268CC;
    margin-bottom: 20px;
  }

  .fw .bd .bd_in .item .nr span {
    font-size: 12px;
    color: #666;
  }

  .fw .bd img.img01 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: -1;
  }

  /* 全场景价值闭环 */
  .cj {
    width: 100%;
    height: 506px;
    padding-top: 58px;
    box-sizing: border-box;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
  }

  .cj .hd {
    text-align: center;
    margin-bottom: 56px;
  }

  .cj .hd h3 {
    font-size: 26px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 14px;
  }

  .cj .hd span {
    font-size: 15px;
    font-weight: bold;
  }

  .cj .bd {
    display: flex;
    justify-content: space-between;
  }

  .cj .bd .item {
    width: 142px;
  }

  .cj .bd .item .item_1 {
    position: relative;
    margin-bottom: 23px;
  }

  .cj .bd .item .item_1 img {
    width: 100%;
  }

  .cj .bd .item .item_1 .nr {
    position: absolute;
    top: 50%;
    left: 46%;
    transform: translate(-50%, -50%);
    text-align: center;
  }

  .cj .bd .item .item_1 .nr p {
    font-size: 18px;
    color: #fff;
    font-weight: bold;
  }

  .cj .bd .item .item_2 {
    text-align: center;
  }

  .cj .bd .item .item_2 p {
    font-size: 12px;
    color: #666;
    margin-bottom: 7px;
    margin-left: -10px;
  }

  /* 战略合作机构 */
  .mechanism {
    width: 100%;
    height: 417px;
    padding-top: 89px;
    box-sizing: border-box;
  }

  .mechanism .mechanism_hd {
    text-align: center;
    margin-bottom: 58px;
  }

  .mechanism .mechanism_hd img {
    width: 53px;
    margin-bottom: 23px;
  }

  .mechanism .mechanism_hd h3 {
    font-size: 31px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 15px;
  }

  .mechanism .mechanism_hd span {
    font-size: 12px;
    font-weight: bold;
    color: #0268CC;
  }

  .mechanism #picScroll-left01 {
    width: 100%;
    position: relative;
    margin: 0 auto;
  }

  .mechanism #picScroll-left01 .next,
  .mechanism #picScroll-left01 .prev {
    position: absolute;
    top: 30%;
    transform: translateX(-50%);
    width: 22px;
    height: 36px;
    line-height: 36px;
    font-size: 20px;
    text-align: center;
    color: #2588E8;
    cursor: pointer;
    border: none;
    outline: none;
    background-color: transparent;
  }

  .mechanism #picScroll-left01 .next {
    right: -4%;
    /* background: linear-gradient(225deg, #0268CC, #2588E8); */
  }

  .mechanism #picScroll-left01 .prev {
    left: -2%;
    /* background: linear-gradient(225deg, #0268CC, #2588E8); */
  }

  .tempWrap {
    width: 100% !important;
  }

  .mechanism #picScroll-left01 .bd ul {
    overflow: hidden;
    zoom: 1;
  }

  .mechanism #picScroll-left01 .bd ul li {
    /* margin: 0 8px; */
    display: flex;
    justify-content: center;
    align-items: center;
    /* text-align: center; */
    width: 204px;
    height: 109px;
  }

  .mechanism #picScroll-left01 .bd ul li img {
    width: 143px;
  }

  .mechanism #picScroll-left01 .bd ul li .pic a:hover img {
    border-color: #999;
  }

  .mechanism #picScroll-left01 .bd ul li .title {
    line-height: 24px;
  }

  /* 底部 */
  .foot {
    overflow: hidden;
    width: 100%;
    height: 388px;
    background-color: #2d2d2d;
    padding-top: 38px;
    box-sizing: border-box;
  }

  .foot_s {
    width: 100%;
    height: 237px;
  }

  .foot_s .img01 {
    width: 190px;
    /* height: 60px; */
  }

  .foot_s .foot_s_ewm p {
    padding: 10px 0 11px;
    font-size: 13px;
    font-weight: bold;
    color: #878787;
  }

  .foot_s .foot_s_ewm img {
    width: 100px;
    /* height: 94px; */
    margin-top: 22px;
  }

  .foot_s .foot_s_ewm .ewm {
    display: flex;
  }

  .foot_s .foot_s_ewm .ewm .item {
    text-align: center;
    margin-right: 20px;
  }

  .foot_s .foot_s_ewm .ewm .item p {
    font-size: 12px;
    color: #878787;
  }

  .foot_s .font_s_ul {
    margin-left: 52px;
  }

  .foot_s .font_s_ul ul {
    float: left;
    margin-right: 73px;
  }

  .foot_s .font_s_ul ul li:first-child {
    margin-bottom: 5px;
  }

  .foot_s .font_s_ul ul li {
    margin-bottom: 15px;
  }

  .foot_s .font_s_ul ul li p {
    font-size: 13px;
    font-weight: bold;
    color: #878787;
    margin-bottom: 10px;
    padding: 10px 0 11px;
  }

  .foot_s .font_s_ul ul li a,
  .foot_s .font_s_ul ul li span {
    font-size: 12px;
    color: #6D6D6D;
  }

  .foot_z {
    width: 100%;
    height: 29px;
    line-height: 29px;
    background-color: #313131;
  }

  .foot_z ul {
    display: flex;
    justify-content: center;
    /* align-items: center; */
  }

  .foot_z ul li:nth-child(2) {
    line-height: 29px !important;
  }

  .foot_z ul li a {
    font-size: 12px;
    color: #666666;
  }

  .foot_z ul li a img {
    width: 11px;
    height: 11px;
    margin-right: 7px;
    vertical-align: middle;
  }

  .foot_x {
    position: fixed;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 85px;
    z-index: 11;
  }

  .foot_x img {
    position: absolute;
    /* top: -43px; */
    bottom: 0;
    width: 100%;
    height: 120px;
    z-index: 1;
  }

  .foot_x p {
    position: absolute;
    top: 58%;
    left: 21%;
    transform: translateY(-50%);
    z-index: 99;
    font-size: 22px;
    color: #fff;
  }

  .foot_x p span {
    color: #FFF000;
  }

  .foot_x form {
    position: absolute;
    top: 58%;
    right: 13%;
    transform: translateY(-50%);
    z-index: 99;
  }

  .foot_x form input {
    width: 204px;
    height: 36px;
    background: #FFFFFF;
    border-radius: 4px;
    outline: none;
    margin-right: 7px;
    border: none;
    padding: 14px 13px;
    box-sizing: border-box;
  }

  .foot_x form button {
    width: 109px;
    height: 36px;
    line-height: 36px;
    font-size: 12px;
    font-weight: bold;
    color: #4285F4;
    background: #FCEB05;
    border-radius: 3px;
    border: none;
    cursor: pointer;
  }

  .kefu {
    position: fixed;
    right: 0;
    top: 50%;
    width: 111px;
    transform: translateY(-50%);
    z-index: 99;
    background-color: #E3E3E3;
  }

  .kefu a {
    display: block;
    text-align: center;
    color: #fff;
  }

  .kefu .qq {
    width: 100%;
    text-align: center;
    padding: 10px;
    box-sizing: border-box;
    background-color: #fff;
    border-radius: 5px;
  }

  .kefu .qq p {
    color: #000;
    font-size: 12px;
  }

  .kefu .tel {
    width: 100%;
    background-color: #F25755;
    border-radius: 5px;
    padding: 8px;
    box-sizing: border-box;
    margin-top: 5px;
  }

  .kefu .tel img {
    width: 25px;
  }

  .kefu .tel p {
    font-size: 12px;
  }

  .kefu .sm {
    width: 100%;
    background-color: #fff;
    text-align: center;
    padding: 8px;
    box-sizing: border-box;
    margin-top: 5px;
    border-radius: 5px;
  }

  .kefu .sm p {
    color: #000;
    font-size: 12px;
  }

  /* 置顶 */
  .zd {
    display: none;
    position: fixed;
    bottom: 120px;
    right: 5px;
    width: 50px;
    height: 50px;
    cursor: pointer;
  }

  .show {
    display: block;
  }

  .zd img {
    width: 100%;
  }
}

@media screen and (min-width: 1500px) {
  body {
    font-size: 16px;
    color: #333333;
  }

  .w {
    width: 1400px;
    margin: 0 auto;
  }

  /* 导航 */
  .nav {
    position: fixed;
    width: 100%;
    height: 100px;
    z-index: 11;
    background-color: #fff;
    box-shadow: 2px 4px 14px rgba(0, 0, 0, .2);
  }

  .nav h1 .logo {
    display: block;
  }

  .nav h1 .logo img {
    height: 62px;
    margin-top: 19px;
  }

  /* 在线签约 */
  .nav .btn {
    height: 100%;
  }

  .nav .btn a {
    display: block;
    width: 120px;
    height: 42px;
    line-height: 42px;
    border-radius: 28px;
    font-size: 14px;
    text-align: center;
    color: #fff;
    margin-top: 30px;
    background: linear-gradient(right, #2385E6, #0369CD);
    background: -webkit-linear-gradient(right, #2385E6, #0369CD);
    background: -o-linear-gradient(right, #2385E6, #0369CD);
    background: -moz-linear-gradient(right, #2385E6, #0369CD);
    background: -mos-linear-gradient(right, #2385E6, #0369CD);
  }

  /* 合作咨询 */
  .nav .zxun {
    /* width: 105px; */
    height: 100%;
    text-align: center;
    margin: 32px 4.3% 0 5.3%;
  }

  /* 菜单 */
  .nav ul {
    height: 100%;
    line-height: 100px;
  }

  .nav ul li {
    position: relative;
    float: left;
    margin: 0 40px;
    
  }

  .nav ul a {
    font-size: 18px;
  }

  .nav ul a:hover {
    color: #0268CC;
  }

  .nav ul li .in {
    display: none;
    position: absolute;
    top: 100px;
    left: 0;
    width: 120px;
    height: auto;
    background-color: #fff;
    margin-left: -27px;
    z-index: 99;
  }

  .nav ul li .in li {
    float: none;
    margin: 0;
  }

  .nav ul li .in li a {
    display: block;
    width: 120px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 15px;
    color: #666;
    border-bottom: 1px solid #EEEEEE;
  }

  .nav ul li .in li a:hover {
    color: #0268CC;
  }

  /* banner */
  .banner {
    position: relative;
    width: 100%;
    padding-top: 100px;
  }

  .banner img {
    width: 100%;
    /* height: 720px; */
  }

  .banner .nr {
    position: absolute;
    top: 50%;
    left: 16.2%;
    transform: translateY(-50%);
  }

  .banner .nr::before {
    position: absolute;
    top: 3px;
    left: -15px;
    content: '';
    display: block;
    width: 4px;
    height: 120px;
    background-color: #fff;
  }

  .banner .nr h3 {
    font-size: 48px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 21px;
  }

  .banner .nr p {
    font-size: 24px;
    color: #fff;
  }

  /* 核心优势 */
  .advantage {
    width: 100%;
    height: 1009px;
    padding: 120px 0 150px;
    box-sizing: border-box;
  }

  .advantage .top {
    text-align: center;
    margin-bottom: 69px;
  }

  .advantage .top h3 {
    font-size: 42px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin: 30px 0 20px;
  }

  .advantage .top img {
    width: 72px;
  }

  .advantage .top span {
    font-size: 16px;
    font-weight: bold;
    color: #0268CC;
  }

  .advantage .hd {
    position: relative;
    width: 35%;
    height: 520px;
    padding-left: 14%;
    box-sizing: border-box;
  }

  .advantage .bd {
    width: 60%;
  }

  #swiper-container06 {
    /* position: relative; */
    width: 100%;
    height: 520px;
    float: right;
  }

  #swiper-wrapper06 .swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    width: 80%;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
  }

  #swiper-wrapper06 .swiper-slide img {
    width: 100%;
    height: 100%;
  }

  #swiper-wrapper06 .swiper-slide p {
    position: absolute;
    left: 0;
  }

  #swiper-wrapper06 .swiper-slide:nth-child(n) {
    width: 20%;
  }

  .mu {
    position: absolute;
    top: 0;
    left: 20%;
    width: 80%;
    height: 100%;
    background: rgba(0, 0, 0, .45);
    z-index: 99;
  }

  #swiper-button-next06::after,
  #swiper-button-prev06::after {
    font-size: 12px;
  }

  #swiper-button-next06,
  #swiper-button-prev06 {
    top: 76%;
    outline: none;
  }

  #swiper-button-prev06 {
    left: 30%;
  }

  #swiper-button-next06 {
    left: 34%;
  }

  #swiper-container07 {
    position: absolute;
    top: 50%;
    right: 0;
    width: 361px;
    text-align: left;
    margin: 0;
  }

  #swiper-container07 p {
    font-size: 30px;
    font-weight: bold;
    color: #333333;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 29px;
  }

  #swiper-container07 span {
    font-size: 18px;
    color: #333333;
  }

  /* 品牌定制 */
  .brand {
    position: relative;
    width: 100%;
    height: 800px;
  }

  .brand_img {
    width: 50%;
    height: 100%;
  }

  .brand_img img {
    width: 100%;
    height: 100%;
  }

  .brand_cont {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    width: 56.6%;
    height: 660px;
    background-color: #fff;
    box-shadow: 0px 0px 28px 5px rgba(57, 57, 57, 0.08);
    padding: 4% 0 4% 11.8%;
    box-sizing: border-box;
  }

  .brand_cont .hd {
    margin-bottom: 49px;
  }

  .brand_cont .hd h3 {
    font-size: 42px;
    font-weight: bold;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 18px;
  }

  .brand_cont .hd span {
    font-weight: bold;
    color: #0268CC;
  }

  .brand_cont .bd li {
    margin-bottom: 20px;
  }

  .brand_cont .bd img {
    vertical-align: middle;
    margin-right: 17px;
  }

  .brand_cont .bd li:nth-child(4) img {
    margin-right: 9px !important;
  }

  .brand_cont .bd span {
    font-size: 18px;
    font-weight: bold;
  }

  .brand_cont .bd p {
    color: #666;
    margin-left: 52px;
    margin-top: 6px;
  }

  /* 中小学全科覆盖 */
  .subject {
    width: 100%;
    margin-top: 80px;
  }

  .subject .hd {
    position: relative;
    width: 100%;
    height: 101px;
    margin-bottom: 79px;
  }

  .subject .hd span {
    display: inline-block;
    width: 30px;
    height: 1px;
    background-color: #0C71D4;
    margin: 0 22px 41px 20px;
  }

  .subject .hd .img01 {
    position: absolute;
    top: -25px;
    left: 13%;
  }

  .subject .bd ul li:nth-child(5n+5) {
    margin-right: 0;
  }

  .subject .bd ul li {
    position: relative;
    float: left;
    width: 240px;
    height: 310px;
    background: #FBFBFB;
    box-shadow: 0px 0px 48px 3px rgba(51, 51, 51, 0.14);
    margin-right: 3.5%;
    border-radius: 15px;
    overflow: hidden;
  }
 
  .subject .bd ul li img {
    width: 100%;
    height: 100%;
    border: none;
  }

  /* .subject .bd ul .bd_in {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 220px;
    box-shadow: 0px 0px 48px 3px rgba(51, 51, 51, 0.14);
    text-align: center;
  } */

  /* .subject .bd ul .bd_in img {
    width: 162px;
    height: 220px;
  } */

  .subject .bd .ul1 li:first-child {
    box-shadow: none;
    background-color: transparent;
  }

  .subject .bd .ul1 li:last-child {
    box-shadow: none;
    background-color: transparent;
  }

  .subject .bd p {
    font-size: 20px;
    text-align: center;
    margin-top: 30px;
  }

  /* 云尚学 */
  .formulate {
    width: 100%;
    margin-top: 143px;
  }

  .formulate .hd {
    text-align: center;
    margin-bottom: 30px;
  }

  .formulate .hd h3 {
    font-size: 36px;
    font-weight: bold;
    color: #0268CC;
    margin-bottom: 21px;
  }

  .formulate .hd span {
    display: inherit;
    font-size: 20px;
    font-weight: bold;
  }

  .formulate .hd img {
    margin-top: 20px;
  }

  .formulate .bd {
    display: flex;
    justify-content: space-around;
  }

  .formulate .bd .item {
    text-align: center;
  }

  .formulate .bd .item p {
    font-size: 60px;
    font-weight: bold;
    color: #0268CC;
  }

  /* 本地化教研解决方案，云尚学教研云端支持 */
  .fn {
    width: 100%;
    /* height: 816px; */
    margin-top: 80px;
    padding: 90px 0 76px;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
  }

  .fn h3 {
    font-size: 36px;
    font-weight: bold;
    color: #fff;
    text-align: center;
    box-sizing: border-box;
    margin-bottom: 76px;
  }

  #swiper-container01 {
    width: 856px;
    height: 380px;
  }

  #swiper-wrapper01 .swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    transition: 300ms;
    transform: scale(0.8);
  }

  #swiper-wrapper01 .swiper-slide-active, .swiper-slide-duplicate-active {
    transform: scale(1);
  }

  #swiper-wrapper01 .swiper-slide {
    border-radius: 15px;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
  }

  .fn .line {
    position: relative;
    width: 100%;
    height: 1px;
    background-color: #fff;
    margin: 60px 0 31px;
  }

  .fn .line::after {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    content: '';
    display: block;
    width: 240px;
    height: 4px;
    background-color: #0268CC;
  }

  .fn .nr {
    text-align: center;
  }

  .fn .nr p {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 20px;
  }

  .fn .nr span {
    font-size: 18px;
    color: #fff;
  }

  #swiper-container09 {
    width: 500px;
    margin: 0 auto;
  }

  /* 全环节服务支撑 */
  .fw {
    width: 100%;
    height: 707px;
    margin-top: 80px;
  }

  .fw .hd {
    text-align: center;
    margin-bottom: 69px;
  }

  .fw .hd h3 {
    font-size: 36px;
    font-weight: bold;
    color: #0268CC;
    margin-bottom: 19px;
  }

  .fw .hd span {
    font-size: 20px;
    font-weight: bold;
  }

  .fw .bd {
    position: absolute;
    width: 100%;
    height: 545px;
  }

  .fw .bd .bd_in {
    display: flex;
    justify-content: space-between;
  }

  .fw .bd .bd_in .item {
    width: 312px;
    height: 410px;
    border-radius: 15px;
    background-color: #fff;
  }

  .fw .bd .bd_in .item img {
    width: 312px;
    height: 180px;
  }

  .fw .bd .bd_in .item .nr {
    text-align: center;
    padding: 30px 37px 0;
    box-sizing: border-box;
  }

  .fw .bd .bd_in .item .nr p {
    font-size: 18px;
    font-weight: bold;
    color: #0268CC;
    margin-bottom: 28px;
  }

  .fw .bd .bd_in .item .nr span {
    font-size: 14px;
    color: #666;
  }

  .fw .bd img.img01 {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: -1;
  }

  /* 全场景价值闭环 */
  .cj {
    width: 100%;
    height: 708px;
    padding-top: 80px;
    box-sizing: border-box;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
  }

  .cj .hd {
    text-align: center;
    margin-bottom: 77px;
  }

  .cj .hd h3 {
    font-size: 36px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 19px;
  }

  .cj .hd span {
    font-size: 20px;
    font-weight: bold;
  }

  .cj .bd {
    display: flex;
    justify-content: space-between;
  }

  .cj .bd .item {
    width: 195px;
  }

  .cj .bd .item .item_1 {
    position: relative;
    margin-bottom: 32px;
  }

  .cj .bd .item .item_1 .nr {
    position: absolute;
    top: 50%;
    left: 46%;
    transform: translate(-50%, -50%);
    text-align: center;
  }

  .cj .bd .item .item_1 .nr p {
    font-size: 24px;
    color: #fff;
    font-weight: bold;
  }

  .cj .bd .item .item_2 {
    text-align: center;
  }

  .cj .bd .item .item_2 p {
    font-size: 16px;
    color: #666;
    margin-bottom: 10px;
    margin-left: -10px;
  }

  /* 战略合作机构 */
  .mechanism {
    width: 100%;
    height: 572px;
    padding-top: 122px;
    box-sizing: border-box;
  }

  .mechanism .mechanism_hd {
    text-align: center;
    margin-bottom: 80px;
  }

  .mechanism .mechanism_hd img {
    margin-bottom: 31px;
  }

  .mechanism .mechanism_hd h3 {
    font-size: 42px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 20px;
  }

  .mechanism .mechanism_hd span {
    font-size: 16px;
    font-weight: bold;
    color: #0268CC;
  }

  .mechanism #picScroll-left01 {
    width: 100%;
    position: relative;
    margin: 0 auto;
  }

  .mechanism #picScroll-left01 .next,
  .mechanism #picScroll-left01 .prev {
    position: absolute;
    top: 30%;
    transform: translateX(-50%);
    width: 30px;
    height: 50px;
    line-height: 50px;
    font-size: 20px;
    text-align: center;
    color: #2588E8;
    cursor: pointer;
    border: none;
    outline: none;
    background-color: transparent;
  }

  .mechanism #picScroll-left01 .next {
    right: -4%;
    /* background: linear-gradient(225deg, #0268CC, #2588E8); */
  }

  .mechanism #picScroll-left01 .prev {
    left: -2%;
    /* background: linear-gradient(225deg, #0268CC, #2588E8); */
  }

  .tempWrap {
    width: 100% !important;
  }

  .mechanism #picScroll-left01 .bd ul {
    overflow: hidden;
    zoom: 1;
  }

  .mechanism #picScroll-left01 .bd ul li {
    /* margin: 0 8px; */
    display: flex;
    justify-content: center;
    align-items: center;
    /* text-align: center; */
    width: 280px;
    height: 150px;
  }

  .mechanism #picScroll-left01 .bd ul li .pic a:hover img {
    border-color: #999;
  }

  .mechanism #picScroll-left01 .bd ul li .title {
    line-height: 24px;
  }

  .mechanism #picScroll-left01 .bd ul li img {
    width: 100%;
  }

  /* 底部 */
  .foot {
    overflow: hidden;
    width: 100%;
    height: 425px;
    background-color: #2d2d2d;
    padding-top: 38px;
    box-sizing: border-box;
  }

  .foot_s {
    width: 100%;
    height: 261px;
  }

  .foot_s .foot_s_ewm p {
    padding: 6px 0 15px;
    font-size: 18px;
    font-weight: bold;
    color: #878787;
  }

  .foot_s .foot_s_ewm img {
    width: 140px;
    /* height: 94px; */
    margin-top: 30px;
  }

  .foot_s .foot_s_ewm .ewm {
    display: flex;
  }

  .foot_s .foot_s_ewm .ewm .item {
    text-align: center;
    margin-right: 20px;
  }

  .foot_s .foot_s_ewm .ewm .item p {
    font-size: 16px;
    color: #878787;
  }

  .foot_s .font_s_ul {
    margin-left: 102px;
  }

  .foot_s .font_s_ul ul {
    float: left;
    margin-right: 100px;
  }

  .foot_s .font_s_ul ul li:first-child {
    margin-bottom: 10px;
  }

  .foot_s .font_s_ul ul li {
    margin-bottom: 20px;
  }

  .foot_s .font_s_ul ul li p {
    font-size: 18px;
    font-weight: bold;
    color: #878787;
    margin-bottom: 10px;
    padding: 6px 0 15px;
  }

  .foot_s .font_s_ul ul li a,
  .foot_s .font_s_ul ul li span {
    font-size: 16px;
    color: #6D6D6D;
  }

  .foot_z {
    width: 100%;
    height: 40px;
    background-color: #313131;
  }

  .foot_z ul {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
  }

  .foot_z ul li a {
    font-size: 14px;
    color: #666666;
  }

  .foot_z ul li a img {
    margin-right: 11px;
    vertical-align: middle;
  }

  .foot_x {
    position: fixed;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 100px;
    z-index: 11;
  }

  .foot_x img {
    position: absolute;
    /* top: -43px; */
    bottom: 0;
    width: 100%;
    height: 143px;
    z-index: 1;
  }

  .foot_x p {
    position: absolute;
    top: 58%;
    left: 21%;
    transform: translateY(-50%);
    z-index: 99;
    font-size: 30px;
    color: #fff;
  }

  .foot_x p span {
    color: #FFF000;
  }

  .foot_x form {
    position: absolute;
    top: 58%;
    right: 13.5%;
    transform: translateY(-50%);
    z-index: 99;
  }

  .foot_x form input {
    width: 280px;
    height: 50px;
    background: #FFFFFF;
    border-radius: 4px;
    outline: none;
    margin-right: 10px;
    border: none;
    padding: 18px 20px;
    box-sizing: border-box;
  }

  .foot_x form button {
    width: 150px;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    font-weight: bold;
    color: #4285F4;
    background: #FCEB05;
    border-radius: 4px;
    border: none;
    cursor: pointer;
  }

  .kefu {
    position: fixed;
    right: 10px;
    top: 46%;
    width: 111px;
    transform: translateY(-50%);
    z-index: 99;
    background-color: #E3E3E3;
    border-radius: 5px;
    overflow: hidden;
  }

  .kefu a {
    display: block;
    text-align: center;
    color: #fff;
  }

  .kefu .qq {
    width: 100%;
    text-align: center;
    padding: 10px;
    box-sizing: border-box;
    background-color: #fff;
    border-radius: 5px;
  }

  .kefu .qq p {
    color: #000;
    font-size: 12px;
  }

  .kefu .tel {
    width: 100%;
    background-color: #F25755;
    border-radius: 5px;
    padding: 8px;
    box-sizing: border-box;
    margin-top: 5px;
  }

  .kefu .tel img {
    width: 25px;
  }

  .kefu .tel p {
    font-size: 12px;
  }

  .kefu .sm {
    width: 100%;
    background-color: #fff;
    text-align: center;
    padding: 8px;
    box-sizing: border-box;
    margin-top: 5px;
    border-radius: 5px;
  }

  .kefu .sm p {
    color: #000;
    font-size: 12px;
  }

  /* 置顶 */
  .zd {
    display: none;
    position: fixed;
    bottom: 120px;
    right: 5px;
    width: 50px;
    height: 50px;
    cursor: pointer;
    z-index: 99;
  }

  .show {
    display: block;
  }

  .zd img {
    width: 100%;
  }
}

#c {
  display: none;
}