@media screen and (min-width: 284px) {

  /* banner */
  .tea_banner {
    width: 100%;
    height: 263px;
    padding-top: 73px;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
    text-align: center;
  }

  .tea_banner h2 {
    font-size: 35px;
    font-weight: bold;
    color: #fff;
    line-height: 263px;
  }

  /* 双师课堂解决方案 */
  .tea_s {
    width: 100%;
    padding-top: 66px;
    padding-bottom: 87px;
    box-sizing: border-box;
    text-align: center;
  }

  .tea_s h3 {
    font-size: 22px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
  }

  .tea_s img {
    width: 53px;
  }

  .tea_s p {
    font-size: 13px;
    color: #666;
    margin-top: 30px;
  }

  /* 师资团队 */
  .tea_sz {
    width: 100%;
    padding-top: 58px;
    box-sizing: border-box;
  }

  .tea_sz .hd {
    text-align: center;
    margin-bottom: 108px;
  }

  .tea_sz .hd h3 {
    font-size: 22px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 16px;
  }

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

  .tea_sz .bd {
    position: relative;
    display: flex;
    justify-content: space-between;
  }

  .tea_sz .bd .item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 473px;
    height: 222px;
    background: #FFFFFF;
    box-shadow: 0px 2px 40px 14px rgba(51, 51, 51, 0.06);
    border-radius: 0px 0px 60px 0px;
    padding: 0 36px;
    box-sizing: border-box;
  }

  .tea_sz .bd .item .z p {
    font-size: 18px;
    font-weight: bold;
  }

  .tea_sz .bd .item .z span {
    font-size: 12px;
    color: #666;
  }

  /* 特色课程 */
  .tea_ke {
    width: 100%;
    padding-top: 87px;
    box-sizing: border-box;
  }

  .tea_ke .hd {
    text-align: center;
    margin-bottom: 47px;
  }

  .tea_ke .hd h3 {
    font-size: 22px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
  }

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

  .tea_ke .bd {
    display: flex;
    justify-content: center;
  }

  .tea_ke .bd .item {
    width: 263px;
    height: 328px;
    background: #FFFFFF;
    box-shadow: 0px 2px 40px 14px rgba(51, 51, 51, 0.06);
    border-radius: 10px;
    margin: 0 36px;
    overflow: hidden;
  }

  .tea_ke .bd .item img {
    width: 100%;
    height: 219px;
  }

  .tea_ke .bd .item .z {
    padding: 21px 20px 19px;
    box-sizing: border-box;
    text-align: center;
  }

  .tea_ke .bd .item .z p {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 10px;
  }

  .tea_ke .bd .item .z sapn {
    font-size: 12px;
  }

  /* 科技赋能 */
  .tea_kj {
    width: 100%;
    padding-top: 87px;
    box-sizing: border-box;
  }

  .tea_kj .hd {
    text-align: center;
    margin-bottom: 45px;
  }

  .tea_kj .hd h3 {
    font-size: 22px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
  }

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

  .tea_kj .bd .item {
    position: relative;
    width: 100%;
    height: 322px;
    margin-bottom: 100px;
  }

  .tea_kj .bd .item img {
    height: 100%;
  }

  .tea_kj .bd .item .z {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 540px;
    height: 263px;
    background: #FFFFFF;
    box-shadow: 0px 0px 12px 1px rgba(51, 51, 51, 0.1);
    padding-left: 53px;
    box-sizing: border-box;
  }

  .tea_kj .bd .item .z p {
    font-size: 22px;
    font-weight: bold;
    color: #0268CC;
    margin-bottom: 25px;
  }

  .tea_kj .bd .item .z span {
    font-size: 13px;
    color: #666;
  }

  .tea_kj .bd .item .r {
    right: 0;
  }

  /* 解决问题 */
  .tea_wen {
    width: 100%;
    background-color: #F8F8F8;
    padding-top: 58px;
    box-sizing: border-box;
  }

  .tea_wen .hd {
    text-align: center;
    margin-bottom: 74px;
  }

  .tea_wen .hd h3 {
    font-size: 22px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
  }

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

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

  .tea_wen .bd .item  {
   height: 298px;
 }

  .tea_wen .bd .item li {
    display: flex;
    align-items: center;
    margin-bottom: 7px;
  }

  .tea_wen .bd .item li .z p {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 10px;
  }

  .tea_wen .bd .item li .z span {
    font-size: 12px;
    color: #666;
  }

  .tea_wen .bd .item li img {
    width: 58px;
    height: 58px;
    margin: 0 15px;
  }

  .tea_wen .bd .item .c li {
    text-align: right;
  }

  .tea_wen .bd .item>img {
    height: 100%;
  }

  /* 方案优势 */
  .tea_ys {
    width: 100%;
    height: 439px;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
    padding-top: 88px;
    box-sizing: border-box;
  }

  .tea_ys .hd {
    text-align: center;
    margin-bottom: 65px;
  }

  .tea_ys .hd h3 {
    font-size: 22px;
    font-weight: bold;
    color: #FFFFFF;
    margin-bottom: 16px;
  }

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

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

  .tea_ys .bd .item {
    width: 154px;
    height: 160px;
    text-align: center;
  }

  .tea_ys .bd .item img {
    width: 47px;
    margin-bottom: 22px;
  }

  .tea_ys .bd .item .z h4 {
    font-size: 14px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 15px;
  }

  .tea_ys .bd .item .z p {
    font-size: 12px;
    line-height: 2;
    color: #fff;
  }
}

@media screen and (min-width: 1500px) {

  /* banner */
  .tea_banner {
    width: 100%;
    height: 360px;
    padding-top: 100px;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
    text-align: center;
  }

  .tea_banner h2 {
    font-size: 48px;
    font-weight: bold;
    color: #fff;

    line-height: 360px;
  }

  /* 双师课堂解决方案 */
  .tea_s {
    width: 100%;
    padding-top: 90px;
    padding-bottom: 119px;
    box-sizing: border-box;
    text-align: center;
  }

  .tea_s h3 {
    font-size: 30px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 22px;
  }

  .tea_s img {
    width: 72px;
  }

  .tea_s p {
    font-size: 18px;
    color: #666;
    margin-top: 30px;
  }

  /* 师资团队 */
  .tea_sz {
    width: 100%;
    /* height: 584px; */
    padding-top: 80px;
    box-sizing: border-box;
  }

  .tea_sz .hd {
    text-align: center;
    margin-bottom: 110px;
  }

  .tea_sz .hd h3 {
    font-size: 30px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 22px;
  }

  .tea_sz .hd img {
    width: 72px;
  }

  .tea_sz .bd {
    position: relative;
    display: flex;
    justify-content: space-between;
  }

  .tea_sz .bd .item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 649px;
    height: 304px;
    background: #FFFFFF;
    box-shadow: 0px 2px 40px 14px rgba(51, 51, 51, 0.06);
    border-radius: 0px 0px 60px 0px;
    padding: 0 50px;
    box-sizing: border-box;
  }

  .tea_sz .bd .item .z p {
    font-size: 24px;
    font-weight: bold;
  }

  .tea_sz .bd .item .z span {
    font-size: 16px;
    color: #666;
  }

  /* 特色课程 */
  .tea_ke {
    width: 100%;
    padding-top: 60px;
    box-sizing: border-box;
  }

  .tea_ke .hd {
    text-align: center;
    margin-bottom: 64px;
  }

  .tea_ke .hd h3 {
    font-size: 30px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 22px;
  }

  .tea_ke .hd img {
    width: 72px;
  }

  .tea_ke .bd {
    display: flex;
    justify-content: center;
  }

  .tea_ke .bd .item {
    width: 360px;
    height: 424px;
    background: #FFFFFF;
    box-shadow: 0px 2px 40px 14px rgba(51, 51, 51, 0.06);
    border-radius: 10px;
    margin: 0 50px;
    overflow: hidden;
  }

  .tea_ke .bd .item img {
    width: 100%;
    height: 300px;
  }

  .tea_ke .bd .item .z {
    padding: 29px 27px 26px;
    box-sizing: border-box;
    text-align: center;
  }

  .tea_ke .bd .item .z p {
    font-weight: bolder;
    font-size:20px;
  }

  .tea_ke .bd .item .z sapn {
    font-size: 14px;
  }

  /* 科技赋能 */
  .tea_kj {
    width: 100%;
    padding-top: 110px;
    box-sizing: border-box;
  }

  .tea_kj .hd {
    text-align: center;
    margin-bottom: 62px;
  }

  .tea_kj .hd h3 {
    font-size: 30px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 22px;
  }

  .tea_kj .hd img {
    width: 72px;
  }

  .tea_kj .bd .item {
    position: relative;
    width: 100%;
    height: 442px;
    margin-bottom: 100px;
  }

  .tea_kj .bd .item img {
    height: 100%;
  }

  .tea_kj .bd .item .z {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    width: 740px;
    height: 360px;
    background: #FFFFFF;
    box-shadow: 0px 0px 12px 1px rgba(51, 51, 51, 0.1);
    padding-left: 73px;
    box-sizing: border-box;
  }

  .tea_kj .bd .item .z p {
    font-size: 30px;
    font-weight: bold;
    color: #0268CC;
    margin-bottom: 25px;
  }

  .tea_kj .bd .item .z span {
    font-size: 18px;
    color: #666;
  }

  .tea_kj .bd .item .r {
    right: 0;
  }

  /* 解决问题 */
  .tea_wen {
    width: 100%;
    background-color: #F8F8F8;
    padding-top: 80px;
    box-sizing: border-box;
  }

  .tea_wen .hd {
    text-align: center;
    margin-bottom: 114px;
  }

  .tea_wen .hd h3 {
    font-size: 30px;
    font-weight: bold;
    color: #0268CC;
    background: linear-gradient(225deg, #0268CC 0%, #2588E8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 22px;
  }

  .tea_wen .hd img {
    width: 72px;
  }

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

  .tea_wen .bd .item {
    height: 407px;
  }

  .tea_wen .bd .item li {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
  }

  .tea_wen .bd .item li .z p {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
  }

  .tea_wen .bd .item li .z span {
    font-size: 16px;
    color: #666;
  }

  .tea_wen .bd .item li img {
    width: 80px;
    height: 80px;
    margin: 0 20px;
  }

  .tea_wen .bd .item .c li {
    text-align: right;
  }

  .tea_wen .bd .item>img {
    height: 100%;
  }

  /* 方案优势 */
  .tea_ys {
    width: 100%;
    height: 602px;
    -webkit-background-size: cover !important;
    -moz-background-size: cover !important;
    -o-background-size: cover !important;
    background-size: cover !important;
    padding-top: 120px;
    box-sizing: border-box;
  }

  .tea_ys .hd {
    text-align: center;
    margin-bottom: 80px;
  }

  .tea_ys .hd h3 {
    font-size: 30px;
    font-weight: bold;
    color: #FFFFFF;
    margin-bottom: 22px;
  }

  .tea_ys .hd img {
    width: 72px;
  }

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

  .tea_ys .bd .item {
    width: 211px;
    height: 230px;
    text-align: center;
  }

  .tea_ys .bd .item img {
    width: 66px;
    margin-bottom: 25px;
  }

  .tea_ys .bd .item .z h4 {
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    margin-bottom: 21px;
  }

  .tea_ys .bd .item .z p {
    width: 211px;
    font-size: 14px;
    line-height: 2;
    color: #fff;
  }
}