body {
    width: 100%;
  }
  .littleHands:hover {
    cursor: pointer;
  }
  .nav {
    width: 100%;
    height: 120px;
    background: #ffffff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 999;
  }
  .nav .nav_box {
    width: 1200px;
    margin: 0 auto;
    display: flex;
  }
  .nav .nav_box .nav_logo {
    width: 253px;
    margin-top: 30px;
  }
  .nav .nav_box .nav_logo img {
    width: 100%;
  }
  .nav .nav_box .nav_list {
    width: 912px;
    height: auto;
    margin-left: 34px;
    line-height: 120px;
  }
  .nav .nav_box .nav_list ul {
    display: flex;
  }
  .nav .nav_box .nav_list ul li {
    margin-left: 39px;
    font-size: 20px;
    font-weight: 500;
    color: #333333;
    cursor: pointer;
  }
  .nav .nav_box .nav_list ul li:hover {
    font-weight: bolder;
  }
  .banner {
    width: 100%;
    /*height: 967px;
    background: url('../img/tencentMarketing/banner.png') no-repeat;
    background-size: 100% 100%;*/
    /*margin-top: 120px;*/
  }
  .banner img{
    width: 100%;
    height: auto;
  }
  .mcenter {
    width: 1113px;
    height: 289px;
    margin: 0 auto;
    margin-top: -134px;
    display: flex;
  }
  .mcenter .cetr_img {
    width: 207px;
    height: 289px;
  }
  .mcenter .cetr_img img {
    width: 100%;
  }
  .mcenter .cetr_text {
    width: 878px;
    height: auto;
    margin-left: 28px;
    padding-top: 147px;
    text-align: center;
  }
  .mcenter .cetr_text p:nth-child(1) {
    color: #333333;
    font-weight: 400;
    line-height: 34px;
  }
  .mcenter .cetr_text p:nth-child(2) {
    width: 122px;
    height: 42px;
    border: 1px solid #002E5B;
    border-radius: 10px;
    color: #002E5B;
    text-align: center;
    line-height: 42px;
    margin-left: 50%;
    transform: translate(-50%, 0);
    margin-top: 30px;
  }
  .ecology {
    width: 100%;
    margin-top: 77px;
  }
  .ecology img{
    width: 100%;
    height: auto;
  }
  .service {
    width: 100%;
    /*height: 897px;
    background: url('../img/tencentMarketing/bannerThree.jpg') no-repeat;
    background-size: 100% 100%;*/
    position: relative;
  }
  .service img{
    width: 100%;
    height: auto;
  }
  .service .svr_btn {
    width: 229px;
    height: 55px;
    background: #006BE0;
    line-height: 55px;
    color: #FFFFFF;
    position: absolute;
    top: 743px;
    right: 18.9%;
  }
  .advertisement {
    width: 100%;
    /*height: 383px;
    background: url('../img/tencentMarketing/bannerFour.png') no-repeat;
    background-size: 100% 100%;*/
  }
  .advertisement img{
    width: 100%;
    height: auto;
  }
  .tabpage {
    width: 100%;
    height: 952px;
    background: url('../img/tencentMarketing/twoBig.png') no-repeat;
    background-size: 100% 100%;
  }
  .tabpage .tab_box {
    width: 1200px;
    height: auto;
    margin: 0 auto;
  }
  .tabpage .tab_box .tabbar_list {
    width: 100%;
    height: auto;
    padding-top: 78px;
  }
  .tabpage .tab_box .tabbar_list ul {
    display: flex;
    text-align: center;
  }
  .tabpage .tab_box .tabbar_list ul li {
    width: 126px;
    height: 126px;
    background: #F6F6F6;
    border-radius: 10px;
    margin-left: 27.8px;
    box-sizing: border-box;
    cursor: pointer;
  }
  .tabpage .tab_box .tabbar_list ul li img {
    width: 100%;
    height: 100%;
  }
  .tabpage .tab_box .tabbar_list ul li:hover {
    border: 3px solid #006BE0;
  }
  .tabpage .tab_box .tabbar_list ul .li_selected {
    border: 3px solid #006BE0;
  }
  .tabpage .tab_box .tab_list {
    width: 100%;
    height: auto;
  }
  .tabpage .tab_box .tab_list .tab_list_item {
    width: 100%;
    height: auto;
    margin-top: 56px;
  }
  .tabpage .tab_box .tab_list .tab_list_item .tab_item_img {
    width: 311px;
    height: 632px;
    margin-left: 188px;
    float: left;
  }
  .tabpage .tab_box .tab_list .tab_list_item .tab_item_img img {
    width: 311px;
    height: 632px;
  }
  .tabpage .tab_box .tab_list .tab_list_item .tab_item_text {
    width: 402px;
    height: auto;
    margin-top: 253px;
    margin-left: 105px;
    float: left;
  }
  .tabpage .tab_box .tab_list .tab_list_item .tab_item_text p:nth-child(1) {
    font-size: 24px;
    font-weight: bold;
  }
  .tabpage .tab_box .tab_list .tab_list_item .tab_item_text p:nth-child(2) {
    font-weight: 400;
    line-height: 24px;
    margin-top: 49px;
  }
  .toolo {
    width: 100%;
    height: 664px;
    background: url('../img/tencentMarketing/swiperBg.jpg') no-repeat;
    background-size: 100% 100%;
  }
  .toolo .tool_roll {
    width: 1200px;
    height: 664px;
    margin: 0 auto;
    color: #FFFFFF;
  }
  .toolo .tool_roll .tool_item {
    width: 1200px;
    height: 664px;
    margin-left: 58px;
    float: left;
  }
  .toolo .tool_roll .tool_item .admlogo {
    width: 202px;
    height: 50px;
    padding-top: 168px;
  }
  .toolo .tool_roll .tool_item .oone {
    font-size: 38px;
    font-weight: bold;
    padding-top: 22px;
  }
  .toolo .tool_roll .tool_item .otwo {
    width: 1097px;
    font-size: 18px;
    line-height: 22px;
    margin-top: 64px;
  }
  .toolo .tool_roll .tool_item .othree {
    margin-top: 54px;
  }
  .toolo .tool_roll .tool_item .othree img {
    width: 88px;
    height: 88px;
  }
  .applets {
    width: 100%;
    /*height: 1591px;*/
  }
  .applets img {
    width: 100%;
    height: auto;
  }
  .footer {
    width: 100%;
    height: 280px;
    margin-top: 87px;
    background: url('../img/public/footer.png') no-repeat;
    background-size: 100% 100%;
  }
  .footer .f_box {
    width: 1200px;
    height: 280px;
    margin: 0 auto;
    display: flex;
  }
  .footer .f_box .f_left {
    width: 428px;
    height: auto;
    padding-top: 60px;
  }
  .footer .f_box .f_left .f_title {
    width: 100%;
  }
  .footer .f_box .f_left .f_title ul {
    display: flex;
    font-weight: 400;
    color: #FFFFFF;
  }
  .footer .f_box .f_left .f_title ul li {
    margin: 0 22px 0 22px;
  }
  .footer .f_box .f_left .f_title ul li:nth-child(1) {
    margin-left: 0;
  }
  .footer .f_box .f_left .f_title ul span {
    width: 2px;
    height: 13px;
    display: inline-block;
    background: #FFFFFF;
  }
  .footer .f_box .f_left .f_contact {
    width: 100%;
    margin-top: 16px;
    display: flex;
  }
  .footer .f_box .f_left .f_contact .f_tel {
    width: 200px;
    text-align: center;
    font-weight: 500;
    color: #FFFFFF;
  }
  .footer .f_box .f_left .f_contact .f_tel .logo {
    width: 178px;
  }
  .footer .f_box .f_left .f_contact .f_tel .phone {
    width: 38px;
    margin-top: 12px;
  }
  .footer .f_box .f_left .f_contact .f_tel .hot {
    width: 100%;
    margin-top: 14px;
  }
  .footer .f_box .f_left .f_contact .f_tel .tel {
    width: 100%;
    font-size: 24px;
    margin-top: 12px;
  }
  .footer .f_box .f_left .line {
    width: 2px;
    height: 176px;
    background: #5A5A5A;
  }
  .footer .f_box .f_left .one {
    margin-left: 22px;
  }
  .footer .f_box .f_left .f_wx {
    width: 132px;
    margin-top: 26px;
    margin-left: 43px;
  }
  .footer .f_box .f_left .f_wx img {
    width: 100%;
    border-radius: 10px;
  }
  .footer .f_box .f_left .two {
    margin-left: 43px;
  }
  .footer .f_box .area {
    width: 361px;
    height: auto;
    padding-top: 77px;
    margin-left: 65px;
  }
  .footer .f_box .area P {
    width: 336px;
    color: #FFFFFF;
    font-size: 14px;
    font-weight: 400;
  }
  .footer .f_box .area .map {
    width: 361px;
    height: 147.5px;
    margin-top: 22px;
    overflow: hidden;
  }
  .footer .f_box .form {
    width: 282px;
    height: auto;
    margin-left: 50px;
    padding-top: 39px;
  }
  .footer .f_box .form .form_icon {
    width: 100%;
    display: flex;
  }
  .footer .f_box .form .form_icon div {
    line-height: 36px;
    background: #000000;
    border: 1px solid #0A0205;
  }
  .footer .f_box .form .form_icon .aly {
    width: 109.6px;
    height: 36px;
  }
  .footer .f_box .form .form_icon .aly img {
    width: 100%;
  }
  .footer .f_box .form .form_icon .tx {
    width: 85.4px;
    margin-left: 4px;
    height: 36px;
  }
  .footer .f_box .form .form_icon .tx img {
    width: 100%;
  }
  .footer .f_box .form .form_icon .tb {
    width: 68.6px;
    margin-left: 4px;
    height: 36px;
  }
  .footer .f_box .form .form_icon .tb img {
    width: 100%;
    padding-top: 8px;
  }
  .footer .f_box .form .us {
    width: 100%;
    margin-top: 16px;
  }
  .footer .f_box .form .us .us_one {
    line-height: 18px;
    color: #FFFFFF;
    font-weight: 400;
  }
  .footer .f_box .form .us input {
    width: 201px;
    height: 35.5px;
    margin-top: 5px;
    border: none;
    outline: none;
    color: #000000;
    font-size: 12px;
    font-weight: 500;
  }
  .footer .f_box .form .us .inline {
    width: 271px;
    display: flex;
  }
  .footer .f_box .form .us .inline span {
    width: 65px;
    height: 35.5px;
    background: #FF741D;
    color: #FFFFFF;
    text-align: center;
    line-height: 35.5px;
    margin-top: 5px;
    margin-left: 1px;
  }
  .footer .f_box .form .us .us_two {
    width: 100%;
    color: #FFFFFF;
    font-weight: 400;
    margin-top: 15px;
  }
  .copyright {
    width: 100%;
    height: 116px;
    background: #333333;
    color: #FFFFFF;
    margin-top: -1px;
  }
  .copyright .cpt_box {
    width: 570px;
    height: auto;
    margin: 0 auto;
    text-align: center;
    padding-top: 18px;
  }
  .copyright .cpt_box p {
    line-height: 28px;
  }