@media screen and (min-width: 761px) {
  .container {
    width: 1322px;
  }
  .head {
    height: 90px;
    padding: 20px 0 0;
  }
  .head .line {
    width: 1px;
    background-color: #cdcdcd;
    height: 50px;
    display: inline-block;
    vertical-align: middle;
    margin: 0 20px;
  }
  .nav-box .nav-list {
    text-align: right;
  }
  .nav-box .nav-list li {
    color: #fff;
    font-size: 16px;
    text-align: center;
    line-height: 50px;
    display: inline-block;
  }
  .nav-box .nav-list li a {
    color: #fff;
    font-size: 16px;
    display: block;
  }
  .nav-box .nav-list li.active:nth-child(1) {
    background: url("../image/tab2-bg1.png") no-repeat;
    width: 438px;
    height: 50px;
    background-size: contain;
    position: relative;
    z-index: 5;
  }
  .nav-box .nav-list li.active:nth-child(2) {
    background: url("../image/tab2-bg1.png") no-repeat;
    width: 438px;
    height: 50px;
    background-size: contain;
    margin-left: -25px;
    position: relative;
    z-index: 7;
  }
  .nav-box .nav-list li.active:nth-child(3) {
    background: url("../image/tab3-bg1.png") no-repeat;
    width: 557px;
    height: 50px;
    background-size: contain;
    margin-left: -47px;
    position: relative;
    z-index: 8;
  }
  .nav-box .nav-list li:nth-child(1) {
    background: url("../image/tab2-bg.png") no-repeat;
    width: 438px;
    height: 50px;
    background-size: contain;
    position: relative;
    z-index: 5;
  }
  .nav-box .nav-list li:nth-child(2) {
    background: url("../image/tab2-bg.png") no-repeat;
    width: 438px;
    height: 50px;
    background-size: contain;
    margin-left: -25px;
    position: relative;
    z-index: 4;
  }
  .nav-box .nav-list li:nth-child(3) {
    background: url("../image/tab3-bg.png") no-repeat;
    width: 557px;
    height: 50px;
    background-size: contain;
    margin-left: -47px;
    position: relative;
    z-index: 3;
  }
  .bgLine {
    background-color: #2A59FF;
    height: 15px;
    width: 100%;
  }
  .banner-box {
    height: 450px;
    overflow: hidden;
    position: relative;
  }
  .banner-box .banner {
    width: 1920px;
    height: 450px;
    position: absolute;
    left: 50%;
    top: 0;
    transform: translate(-50%, 0);
    -webkit-transform: translate(-50%, 0);
    -moz-transform: translate(-50%, 0);
    -ms-transform: translate(-50%, 0);
    -o-transform: translate(-50%, 0);
  }
  .banner-box .banner img {
    height: 450px;
  }
  .one .foreword-box {
    margin-top: 60px;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
    height: 160px;
    width: 100%;
    font-size: 16px;
    line-height: 30px;
    color: #333;
  }
  .two .foreword-box {
    margin-top: 60px;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
    height: 220px;
    width: 100%;
    font-size: 16px;
    line-height: 30px;
    color: #333;
  }
  .foreword-box p {
    margin: 0;
    padding: 0;
    font-size: 16px;
    line-height: 30px;
  }
  .one .foreword-box .foreword-bg {
    background: url("../image/foreword-bg.png") no-repeat;
    width: 100%;
    height: 160px;
    background-size: contain;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    padding: 35px;
    box-shadow: 0px 2px 11px #dfdfdf;
  }
  
  .two .foreword-box .foreword-bg {
    background: url("../image/foreword-bg.png") no-repeat;
    width: 100%;
    height: 220px;
    background-size: 100% 100%;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    padding: 35px;
    box-shadow: 0px 2px 11px #dfdfdf;
  }
  .active-box {
    margin-top: 50px;
  }
  .active-box .h3 {
    margin: 0;
    padding: 0;
  }
  .active-box .txtbg {
    font-size: 32px;
    margin: 0;
    /* background: url("../image/txtbg.png") no-repeat; */
    width: 100%;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
  }
  .active-box .fw {
    font-weight: bold;
    font-size: 20px;
    line-height: 30px;
  }
  .one .active-box .left-box {
    /* float: left; */
    background: url("../image/activ-left-bg.png") no-repeat;
    width: 100%;
    height: 460px;
    background-size: 100%;
    padding: 20px 35px;
    font-size: 16px;
    line-height: 28px;
    color: #333;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    box-shadow: 0 2px 11px #dfdfdf;
  }
  .active-box .right-box {
    /* float: right; */
    background: url("../image/activ-right-bg.png") no-repeat;
    width: 100%;
    /* height: 422px; */
    background-size: 100%;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    box-shadow: 0 2px 11px #dfdfdf;
    padding: 20px 35px;
    font-size: 16px;
    margin-top: 30px;
  }
  .active-box .right-box .num {
    font-size: 18px;
    color: #2A59FF;
  }
  .active-box .right-box .left {
    width: 177px;
    /* position: relative;
    top: 130px;
    left: 61px; */
  }
  .active-box .right-box .right {
    width: 177px;
    position: relative;
    top: 104px;
    left: 387px;
  }
  .topic-box {
    margin-top: 50px;
  }
  .topic-box .h3 {
    margin: 0;
    padding: 0;
  }
  .topic-box .txtbg {
    font-size: 32px;
    margin: 0;
    /* background: url("../image/txtbg1.png") no-repeat; */
    width: 100%;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
  }
  .topic-box .list {
    display: flex;
    justify-content: space-between;
  }
  .topic-box .list .item {
    float: left;
    width: 308px;
    height: 370px;
    position: relative;
    box-shadow: 1px 7px 10px #dfdfdf;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    background: url("../image/pic-bgd.png");
  }
  .topic-box .list .item .num {
    position: absolute;
    right: 15px;
    top: 19px;
  }
  .topic-box .list .item .numC {
    position: absolute;
    right: 15px;
    top: 19px;
    display: none;
  }
  .topic-box .list .item .txt-box {
    color: #606060;
  }
  .topic-box .list .item.cur {
    background: url("../image/pic-bg.png") no-repeat;
  }
  .topic-box .list .item.cur .txt-box {
    color: #fff;
  }
  .topic-box .list .item.cur .numC {
    display: block;
  }
  .topic-box .list .item.cur .num {
    display: none;
  }
  .topic-box .list .item .txt-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9;
    font-size: 17px;
    padding: 0 20px;
    font-weight: bold;
  }
  .topic-box .list .item .txt-box .tit {
    font-weight: bold;
    text-align: center;
    font-size: 24px;
    margin-top: 115px;
    margin-bottom: 35px;
  }
  .topic-box .list .item .txt-box .part-btn {
    background-color: #fff;
    line-height: 40px;
    text-align: center;
    color: #1C6CFF;
    font-size: 18px;
    width: 190px;
    border-radius: 3px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    display: block;
    margin: auto;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 40px;
  }
  .topic-box .list .item .txt-box .default-btn {
    background-color: #B3B3B3;
    line-height: 40px;
    text-align: center;
    color: #fff;
    font-size: 18px;
    width: 190px;
    border-radius: 3px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    display: block;
    margin: auto;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 40px;
  }
  .date-box {
    margin-top: 50px;
  }
  .date-box .txtbg {
    font-size: 32px;
    margin: 0;
    /* background: url("../image/txtbg.png") no-repeat; */
    width: 100%;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
  }
  .date-box .data-bg {
    height:   1600px;
    position: relative;
    overflow: hidden;
  }
  .date-box .data-bg .img-bg {
    width: 1920px;
    height:  1600px;
    position: absolute;
    z-index: 1;
    left: 50%;
    top: 0;
    transform: translate(-50%, 0);
    -webkit-transform: translate(-50%, 0);
    -moz-transform: translate(-50%, 0);
    -ms-transform: translate(-50%, 0);
    -o-transform: translate(-50%, 0);
  }
  .date-box .data-bg .img-bg img {
    height:    1600px;
  }
  .date-box .data-content {
    position: absolute;
    top: 0;
    z-index: 3;
    left: 50%;
    width: 1322px;
    transform: translate(-50%, 0);
    -webkit-transform: translate(-50%, 0);
    -moz-transform: translate(-50%, 0);
    -ms-transform: translate(-50%, 0);
    -o-transform: translate(-50%, 0);
    height:   1600px;
    padding-top: 50px;
  }
  .date-box .data-content .box-shaw {
    box-shadow: 0 2px 11px #cdcdcd;
    display: block;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .date-box .data-content .box-shaw img{
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .date-box .data-content .txt {
    font-size: 18px;
    line-height: 40px;
    margin-top: 10px;
    text-align: center;
    
  }
  .date-box .data-content .txt a {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    display: block;
    background-color: #FB9F26;
    padding: 0 20px;
    margin: auto;
    border-radius: 5px;
    /* padding: 0 20px; */
  }
  .date-box .data-content .lf {
    float: left;
  }
  .date-box .data-content .down-card {
    background:#e3f1ff;
    width: 620px;
    height: 140px;
    background-size: contain;
    /* float: right; */
    padding: 30px;
    box-shadow: 0 0 14px #cdcdcd;
    border-radius: 5px;
  }
  .down-card .item {
    width: 100%;
    height: 80px;
    background-color: #fff;
    border-radius: 15px;
    padding-left: 30px;
    margin-bottom: 30px;
  }
  .down-card .item a{
    line-height: 80px;
    color: #333;
    font-size: 18px;
    font-weight: bold;
    display: block;
    float: left;
    width: 60%;
    line-height: 40px;
  }
  }
  .date-box .data-content .down-card a.down-ppt {
    width: 150px;
    line-height: 40px;
    height: 40px;
    text-align: center;
    font-size: 18px;
    color: #fff;
    background-color: #FB9F26;
    display: block;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    margin-top: 20px;
    float: right;
    margin-right: 20px;
  }
  .about-box {
    margin-top: 60px;
  }
  .about-box .h3 {
    font-weight: bold;
    font-size: 32px;
    margin: 0;
    padding: 0 0 15px;
  }
  .about-box .txt {
    width: 80%;
    float: left;
    font-size: 16px;
    line-height: 30px;
  }
  .about-box .ewm {
    width: 20%;
    float: right;
    text-align: center;
  }
  .about-box .anchor-btn {
    color: #1C6CFF;
  }
  .two .active-box .left-box {
    background: url("../image/activ-left-bg.png") no-repeat;
    height: 660px;
    background-size: 100% 100%;
    padding: 20px 35px;
    font-size: 16px;
    line-height: 28px;
    color: #333;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    box-shadow: 0 2px 11px #dfdfdf;
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  .two .active-box .left-box .top-icon {
    background: url("../image/top-icon.png") no-repeat;
    width: 222px;
    height: 209px;
    position: absolute;
    left: -31px;
    top: -87px;
    z-index: -1;
  }
  .two .active-box .left-box .bottom-icon {
    background: url("../image/bottom-icon.png") no-repeat;
    width: 304px;
    height: 276px;
    position: absolute;
    right: -90px;
    bottom: -144px;
    z-index: -1;
  }
  .two .active-box .right-box {
    float: right;
    background-image: linear-gradient(to bottom left, #BCDEFD, #E5F4FD);
    width: 635px;
    height: 390px;
    background-size: contain;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    box-shadow: 0 2px 11px #dfdfdf;
    padding: 20px 35px;
    font-size: 16px;
    position: relative;
    z-index: 1;
    overflow: hidden;
  }
  .two .active-box .right-box .top-icon {
    background: url("../image/top-icon.png") no-repeat;
    width: 222px;
    height: 209px;
    position: absolute;
    left: -31px;
    top: -87px;
    z-index: -1;
  }
  .two .active-box .right-box .bottom-icon {
    background: url("../image/bottom-icon1.png") no-repeat;
    width: 304px;
    height: 276px;
    position: absolute;
    right: -89px;
    bottom: -136px;
    z-index: -1;
  }
  .two .recommend-box {
    margin-top: 30px;
  }
  .two .recommend-box .box-show {
    box-shadow: 0 2px 11px #cdcdcd;
    padding: 30px 35px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    background-color: #fff;
  }
  .two .recommend-box .txtbg {
    font-size: 32px;
    margin: 0;
    /* background: url("../image/txtbg.png") no-repeat; */
    width: 138px;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
  }
  .two .recommend-box .txt-box {
    font-size: 16px;
  }
  .two .recommend-box .txt-box p {
    margin-bottom: 10px;
  }
  .two .recommend-box .txt-box .list li {
    margin-bottom: 10px;
  }
  .two .recommend-box .txt-box .list li::before {
    content: '';
    width: 10px;
    height: 10px;
    background-color: #333;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    display: inline-block;
    margin-right: 10px;
    vertical-align: middle;
  }
  .two .recommend-box .list-box {
    margin-top: 30px;
  }
  .two .recommend-box .list-box ul {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 10px;
  }
  .two .recommend-box .list-box ul li {
    width: 600px;
    margin-bottom: 10px;
  }
  .two .recommend-box .list-box ul li .link-txt {
    max-width: calc(100% - 100px);
    color: #306AFF;
    text-decoration: none;
    font-size: 16px;
    line-height: 30px;
    display: inline-block;
    vertical-align: middle;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .two .recommend-box .list-box ul li .link-btn {
    float: right;
  }
  .two .recommend-box .list-box .more-link {
    font-size: 18px;
    margin-top: 10px;
    font-weight: bold;
    color: #306AFF;
  }
  .two .recommend-box .list-box .flex {
    margin-top: 30px;
    display: flex;
    justify-content: space-evenly;
  }
  .two .recommend-box .list-box .flex .apply-btn {
    background-color: #F79646;
    line-height: 45px;
    text-align: center;
    display: block;
    width: 200px;
    font-size: 16px;
    color: #fff;
    font-weight: bold;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .two .recommend-box .list-box .flex .buy-btn {
    background-color: #F79646;
    line-height: 45px;
    text-align: center;
    display: block;
    width: 200px;
    font-size: 16px;
    color: #fff;
    font-weight: bold;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .two .date-box .data-bg {
    height: auto;
    position: relative;
    overflow: inherit;
  }
  .two .date-box .data-bg .data-content {
    position: relative;
    display: flex;
    left: 0;
    transform: inherit;
    justify-content: space-between;
    height: auto;
    padding-top: 0;
  }
  .two .date-box .data-bg .data-content .box-shaw {
    background-color: #fff;
  }
  .two .date-box .data-bg .data-content .item {
    width: 30%;
  }
  .two .date-box .data-bg .data-content .item img {
    height: 200px;
    display: block;
    margin: 0 auto;
  }
  .two .date-box .data-bg .data-content .item .txt a {
    text-align: left;
  }
  .two .gift-b {
    display: flex;
    justify-content: space-evenly;
  }
  .two .gift-b .item {
    width: 200px;
    text-align: center;
    margin: 30px 0;
  }
  .two .gift-b img {
    width: 200px;
    display: block;
    margin-bottom: 20px;
    border: 2px solid #2A59FF;
  }
  .two .sty-bg {
    background: url("../image/data-bg.png") no-repeat;
    width: 100%;
    position: relative;
    height: 1073px;
    margin-top: 20px;
    overflow: hidden;
    background-size: cover;
  }
  .two .data-sheet-pdf-image-wrapper {
    float: left;
    height: 30px;
    background-color: #306aff;
    align-content: center;
    display: flex !important;
    flex-wrap: wrap;
    justify-content: space-between;
    border-radius: 4px 0 0 4px;
    padding: 0 3px;
    line-height: 30px;
  }
  .two .data-sheet-text-wrapper {
    float: left;
    width: auto;
    height: 30px;
    border: solid 1px rgba(48, 106, 255, 0.1);
    border-radius: 0 4px 4px 0;
    background-color: #fff;
    display: flex;
    justify-content: space-between;
    font-size: 16px;
    font-weight: 500;
    font-stretch: normal;
    font-style: normal;
    line-height: normal;
    letter-spacing: normal;
    color: #306aff;
    padding-left: 9px;
    padding-right: 9px;
    line-height: 28px;
  }
  .two .data-sheet-text-wrapper:hover {
    color: #fff !important;
    background-color: #306aff !important;
  }
  .three {
    background-color: #eee;
    padding-bottom: 40px;
  }
  .three .box-shadow {
    padding: 30px;
    background-color: #fff;
    box-shadow: 0 3px 10px #adadad;
  }
  .three .active-box {
    margin-bottom: 40px;
  }
  .three .active-box .h3 {
    text-align: center;
    margin: 0 auto 30px;
    font-weight: 500;
  }
  .three .active-box .content {
    font-size: 16px;
    line-height: 30px;
  }
  .three .active-box .apply-btn {
    width: 220px;
    line-height: 45px;
    font-size: 20px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    color: #fff;
    text-align: center;
    display: block;
    margin: 30px auto 0;
    background-color: #F79646;
    font-weight: 500;
  }
  .three .live-teacher {
    margin-bottom: 40px;
  }
  .three .live-teacher .h3 {
    text-align: center;
    margin: 0 auto 30px;
    font-weight: 500;
  }
  .three .live-teacher .tea_name {
    font-size: 18px;
    font-weight: 500;
    color: #333;
  }
  .three .live-teacher .tea_txt {
    font-size: 16px;
    line-height: 30px;
    margin-bottom: 10px;
  }
  .three .live-teacher hr {
    background-color: #1C6CFF;
    height: 1px;
    margin: 5px 0;
  }
  .three .gift-box {
    margin-bottom: 40px;
  }
  .three .gift-box .h3 {
    text-align: center;
    margin: 0 auto 30px;
    font-weight: 500;
  }
  .three .gift-box img {
    width: 100%;
    display: block;
    margin-bottom: 20px;
  }
  .three .txtbg {
    font-size: 32px;
    margin: 0;
    /* background: url("../image/txtbg.png") no-repeat; */
    width: 138px;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
  }
  .three .date-box {
    margin-bottom: 40px;
  }
  .three .date-box .h3 {
    text-align: center;
    margin: 0 auto 30px;
    font-weight: 500;
  }
  .three .date-box .consult-btn {
    float: right;
    width: 220px;
    line-height: 45px;
    font-size: 16px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    color: #fff;
    text-align: center;
    display: block;
    margin: 0px auto 20px;
    background-color: #F79646;
    font-weight: 500;
  }
  .three .date-box .data-cont {
    position: relative;
    display: flex;
    left: 0;
    transform: inherit;
    justify-content: space-between;
    padding-top: 0;
    width: 100%;
  }
  .three .date-box .data-cont .item {
    width: 48%;
  }
  .three .date-box .data-cont .item img {
    width: 100%;
    display: block;
    margin: 0 auto;
  }
  .three .date-box .data-cont .item .txt a {
    margin: 10px auto;
    display: block;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #306AFF;
  }

  .product-list .list {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
  }
  .product-list .list .item::before {
    position: absolute;
    top: 0;
    content: '';
    width: 100%;
    height: 10px;
    background-color: #FB9F26;
    display: block;
  }
  .product-list .list .item {
    display: flex;
    width: 270px;
    height: 220px;
    font-size: 14px;
    font-weight: bold;
    color: #333;
    flex-direction: column;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    background-color: #fff;
    box-shadow: 0 2px 60px rgba(55, 68, 99, 0.56);
    overflow: hidden;
    position: relative;
    /* justify-content: center; */
    gap: 5px;
    padding-top: 20px;
  }
  .product-list .list .item p {
    padding-left: 10px;
    font-size: 14px;
    font-weight: normal;
    color: #333;
    line-height: 22px;
  }
  .product-list{
    height: 440px !important;
  }
  .product-list .foreword-bg{
    height: 420px !important;
  }
  
}

@media screen and (max-width: 760px) {
  .product-list .list {
    justify-content: space-between;
    margin-top: 30px;
  }
  .product-list .list .item::before {
    top: 0;
    content: '';
    width: 100%;
    height: 10px;
    background-color: #FB9F26;
    display: block;
  }
  .product-list .list .item {
    font-size: 14px;
    font-weight: bold;
    color: #333;
    flex-direction: column;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    background-color: #fff;
    box-shadow: 0 2px 60px rgba(55, 68, 99, 0.56);
    overflow: hidden;
    position: relative;
    justify-content: center;
    gap: 5px;
    margin-top: 20px;
  }
  .product-list .list .item p {
    padding-left: 10px;
    font-size: 14px;
    font-weight: normal;
    color: #333;
    line-height: 22px;
  }
  .container {
    width: 100%;
  }
  .head {
    height: 3rem;
    padding: .5rem;
  }
  .head .line {
    width: 1px;
    background-color: #cdcdcd;
    height: 50px;
    display: inline-block;
    vertical-align: middle;
    margin: 0 20px;
  }
  .nav-box {
    padding: 0 .5rem;
    margin-top: 1rem;
  }
  .nav-box .nav-list {
    text-align: right;
  }
  .nav-box .nav-list li {
    color: #999;
    padding: 0 .3rem;
    font-size: .7rem;
    text-align: left;
    line-height: 1.5rem;
    display: block;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    background-color: #dbdbdb;
    margin-bottom: 0.3rem;
  }
  .nav-box .nav-list li.active {
    background-color: #1C6CFF;
  }
  .nav-box .nav-list li.active a {
    color: #fff;
  }
  .nav-box .nav-list li a {
    color: #333;
    font-size: .7rem;
  }
  .bgLine {
    background-color: #2A59FF;
    height: 15px;
    width: 100%;
  }
  .banner-box {
    overflow: hidden;
    position: relative;
  }
  .banner-box .banner img {
    width: 100%;
  }
  .foreword-box {
    padding: .8rem;
    border-radius: 20px;
    -webkit-border-radius: 20px;
    -moz-border-radius: 20px;
    -ms-border-radius: 20px;
    -o-border-radius: 20px;
    width: 100%;
    font-size: .7rem;
    line-height: 1.3rem;
    color: #333;
  }
  .foreword-box p {
    margin: 0;
    padding: 0;
    font-size: .7rem;
    line-height: 1.3rem;
  }
  .foreword-box .foreword-bg {
    background: url("../image/foreword-bg.png") no-repeat;
    width: 100%;
    background-size: contain;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    padding: .8rem;
    box-shadow: 0px 2px 11px #dfdfdf;
  }
  .active-box {
    margin-top: 1rem;
    padding: .8rem;
  }
  .active-box .h3 {
    margin: 0;
    padding: 0;
  }
  .active-box .txtbg {
    font-size: 1rem;
    margin: 0;
    /* background: url("../image/txtbg.png") no-repeat; */
    width: 138px;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    margin-bottom: 30px;
    display: block;
    margin: 0 auto 1rem;
    font-weight: bold;
  }
  .active-box .fw {
    font-weight: bold;
    font-size: .8rem;
  }
  .active-box .left-box {
    background: url("../image/activ-left-bg.png") no-repeat;
    width: 100%;
    background-size: cover;
    padding: .8rem;
    font-size: .7rem;
    line-height: 1.3rem;
    color: #333;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    box-shadow: 0 2px 11px #dfdfdf;
    margin-bottom: .8rem;
  }
  .active-box .right-box {
    background: url("../image/activ-right-bg.png") no-repeat;
    width: 100%;
    background-size: contain;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    box-shadow: 0 2px 11px #dfdfdf;
    padding: .3rem .8rem .8rem;
    font-size: 16px;
    height: 7rem;
    position: relative;
  }
  .active-box .right-box .num {
    font-size: .9rem;
    color: #2A59FF;
  }
  .active-box .right-box .left {
    width: 50%;
    display: inline-block;
    position: absolute;
    bottom: 5px;
    text-align: center;
    left: 11px;
  }
  .active-box .right-box .right {
    width: 50%;
    display: inline-block;
    position: absolute;
    bottom: 5px;
    right: 10px;
    text-align: center;
  }
  .topic-box {
    margin-top: 1rem;
  }
  .topic-box .h3 {
    margin: 0;
    padding: 0;
  }
  .topic-box .txtbg {
    font-size: 1rem;
    margin: 0;
    /* background: url("../image/txtbg1.png") no-repeat; */
    width: 168px;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    margin-bottom: 30px;
    display: block;
    margin: 0 auto 1rem;
    font-weight: bold;
  }
  .topic-box .list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    align-content: center;
  }
  .topic-box .list .item {
    float: left;
    width: 308px;
    height: 370px;
    position: relative;
    box-shadow: 0 2px 10px #dfdfdf;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    margin-bottom: 0.8rem;
    background: url("../image/pic-bgd.png");
  }
  .topic-box .list .item .num {
    position: absolute;
    right: 15px;
    top: 19px;
  }
  .topic-box .list .item .numC {
    position: absolute;
    right: 15px;
    top: 19px;
    display: none;
  }
  .topic-box .list .item .txt-box {
    color: #606060;
  }
  .topic-box .list .item.cur {
    background: url("../image/pic-bg.png") no-repeat;
  }
  .topic-box .list .item.cur .txt-box {
    color: #fff;
  }
  .topic-box .list .item.cur .numC {
    display: block;
  }
  .topic-box .list .item.cur .num {
    display: none;
  }
  .topic-box .list .item .txt-box {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9;
    font-size: 16px;
    padding: 0 20px;
  }
  .topic-box .list .item .txt-box .tit {
    font-weight: bold;
    text-align: center;
    font-size: 24px;
    margin-top: 115px;
    margin-bottom: 35px;
  }
  .topic-box .list .item .txt-box .part-btn {
    background-color: #fff;
    line-height: 40px;
    text-align: center;
    color: #1C6CFF;;
    font-size: 16px;
    width: 190px;
    border-radius: 3px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    display: block;
    margin: auto;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 40px;
  }
  .topic-box .list .item .txt-box .default-btn {
    background-color: #B3B3B3;
    line-height: 40px;
    text-align: center;
    color: #fff;
    font-size: 16px;
    width: 190px;
    border-radius: 3px;
    -webkit-border-radius: 3px;
    -moz-border-radius: 3px;
    -ms-border-radius: 3px;
    -o-border-radius: 3px;
    display: block;
    margin: auto;
    position: absolute;
    left: 0;
    right: 0;
    bottom: 40px;
  }
  .date-box {
    margin-top: 1rem;
  }
  .date-box .txtbg {
    font-size: 1rem;
    /* background: url("../image/txtbg.png") no-repeat; */
    width: 138px;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    display: block;
    margin: 0 auto 1rem;
    font-weight: bold;
  }
  .date-box .data-bg {
    position: relative;
    overflow: hidden;
  }
  .date-box .data-bg .img-bg {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
  }
  .date-box .data-bg .img-bg img {
    height: 100%;
  }
  .date-box .data-content {
    position: relative;
    top: 0;
    z-index: 3;
    left: 0;
    padding: .8rem;
  }
  .date-box .data-content img {
    width: 100%;
  }
  .date-box .data-content .box-shaw {
    box-shadow: 0 2px 11px #cdcdcd;
    display: block;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .date-box .data-content .box-shaw img{
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .date-box .data-content .txt {
    font-size: .8rem;
    line-height: 1rem;
    margin-top: 0.2rem;
  }
  .date-box .data-content .txt a {
    color: #fff;
    font-size: .8rem;
    font-weight: 600;
    display: block;
    background-color: #FB9F26;
    padding: 10px 20px;
  }
  .date-box .data-content .lf {
    margin-bottom: 1rem;
  }
  .date-box .data-content .down-card {
    background: #e3f1ff;;
    width: 100%;
    background-size: cover;
    float: left;
    padding: .8rem;
    box-shadow: 0 0 14px #cdcdcd;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .down-card .item a {
    line-height: 80px;
    color: #333;
    font-size: 18px;
    font-weight: bold;
  }
  .date-box .data-content .down-card p {
    color: #fff;
    font-size: .8rem;
    line-height: 25px;
  }
  .date-box .data-content .down-card .down-ppt {
    width: 9rem;
    line-height: 2rem;
    height: 2rem;
    text-align: center;
    font-size: .8rem;
    color: #fff;
    background-color: #FB9F26;
    display: block;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .about-box {
    margin-top: 1rem;
    padding: .8rem;
  }
  .about-box .h3 {
    font-weight: bold;
    font-size: 1.2rem;
    margin: 0;
    padding: 0 0 15px;
  }
  .about-box .txt {
    width: 100%;
    float: left;
    font-size: 16px;
    line-height: 30px;
  }
  .about-box .ewm {
    width: 100%;
    float: right;
    text-align: center;
  }
  .about-box .anchor-btn {
    color: #1C6CFF;
  }
  .two .active-box .left-box {
    float: left;
    background-image: linear-gradient(to bottom left, #BBDEFF, #e8eef7);
    width: 100%;
    background-size: contain;
    padding: 20px 15px;
    font-size: 14px;
    line-height: 28px;
    color: #333;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    box-shadow: 0 2px 11px #dfdfdf;
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  .two .active-box .left-box .top-icon {
    background: url("../image/top-icon.png") no-repeat;
    width: 222px;
    height: 209px;
    position: absolute;
    left: -49px;
    top: -81px;
    z-index: -1;
  }
  .two .active-box .left-box .bottom-icon {
    background: url("../image/bottom-icon.png") no-repeat;
    width: 304px;
    height: 276px;
    position: absolute;
    right: -90px;
    bottom: -144px;
    z-index: -1;
  }
  .two .active-box .right-box {
    float: right;
    background-image: linear-gradient(to bottom left, #BCDEFD, #E5F4FD);
    width: 100%;
    height: auto;
    background-size: contain;
    border-radius: 10px;
    -webkit-border-radius: 10px;
    -moz-border-radius: 10px;
    -ms-border-radius: 10px;
    -o-border-radius: 10px;
    box-shadow: 0 2px 11px #dfdfdf;
    padding: 20px 35px;
    font-size: 16px;
    position: relative;
    z-index: 1;
    overflow: hidden;
  }
  .two .active-box .right-box .top-icon {
    background: url("../image/top-icon.png") no-repeat;
    width: 222px;
    height: 209px;
    position: absolute;
    left: -31px;
    top: -87px;
    z-index: -1;
  }
  .two .active-box .right-box .bottom-icon {
    background: url("../image/bottom-icon1.png") no-repeat;
    width: 304px;
    height: 276px;
    position: absolute;
    right: -89px;
    bottom: -136px;
    z-index: -1;
  }
  .two .recommend-box {
    margin-top: 1rem;
    padding: 0.8rem;
  }
  .two .recommend-box .box-show {
    box-shadow: 0 2px 11px #cdcdcd;
    padding: 20px 15px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    background-color: #fff;
  }
  .two .recommend-box .txtbg {
    font-size: 1rem;
    /* background: url("../image/txtbg.png") no-repeat; */
    width: 138px;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    margin: 0 auto 1rem;
    font-weight: bold;
  }
  .two .recommend-box .txt-box {
    font-size: 16px;
  }
  .two .recommend-box .txt-box p {
    margin-bottom: 10px;
  }
  .two .recommend-box .txt-box .list li {
    margin-bottom: 10px;
  }
  .two .recommend-box .txt-box .list li::before {
    content: '';
    width: 10px;
    height: 10px;
    background-color: #333;
    border-radius: 50%;
    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    -ms-border-radius: 50%;
    -o-border-radius: 50%;
    display: inline-block;
    margin-right: 10px;
    vertical-align: middle;
  }
  .two .recommend-box .list-box {
    margin-top: 30px;
  }
  .two .recommend-box .list-box ul {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 10px;
  }
  .two .recommend-box .list-box ul li {
    width: 100%;
    margin-bottom: 10px;
  }
  .two .recommend-box .list-box ul li .link-txt {
    max-width: calc(100% - 45px);
    color: #306AFF;
    text-decoration: none;
    font-size: 16px;
    line-height: 30px;
    display: inline-block;
    vertical-align: middle;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }
  .two .recommend-box .list-box ul li .link-btn {
    float: right;
  }
  .two .recommend-box .list-box .more-link {
    font-size: .8rem;
    margin-top: 10px;
    font-weight: bold;
    color: #306AFF;
  }
  .two .recommend-box .list-box .flex {
    margin-top: 30px;
    display: flex;
    justify-content: space-evenly;
  }
  .two .recommend-box .list-box .flex .apply-btn {
    background-color: #F79646;
    line-height: 40px;
    text-align: center;
    display: block;
    width: 140px;
    font-size: .7rem;
    color: #fff;
    font-weight: bold;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .two .recommend-box .list-box .flex .buy-btn {
    background-color: #F79646;
    line-height: 40px;
    text-align: center;
    display: block;
    width: 140px;
    font-size: .7rem;
    color: #fff;
    font-weight: bold;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
  }
  .two .date-box .data-bg {
    height: auto;
    position: relative;
    overflow: inherit;
  }
  .two .date-box .data-bg .data-content {
    position: relative;
    display: flex;
    left: 0;
    transform: inherit;
    justify-content: space-between;
    height: auto;
    padding-top: 0;
    flex-wrap: wrap;
  }
  .two .date-box .data-bg .data-content .box-show {
    background-color: #fff;
  }
  .two .date-box .data-bg .data-content .item {
    width: 100%;
    margin-bottom: 1.5rem;
  }
  .two .date-box .data-bg .data-content .item img {
    height: 200px;
    display: block;
    margin: 0 auto;
  }
  .two .date-box .data-bg .data-content .item .txt a {
    text-align: left;
  }
  .two .gift-b {
    display: flex;
    justify-content: space-evenly;
    flex-wrap: wrap;
  }
  .two .gift-b .item {
    width: 200px;
    text-align: center;
    margin: 30px 0 0;
  }
  .two .gift-b img {
    width: 200px;
    display: block;
    margin-bottom: 20px;
    border: 2px solid #2A59FF;
  }
  .sty-bg {
    background: url("../image/data-bg.png") no-repeat;
    width: 100%;
    position: relative;
    height: 100%;
    margin-top: 20px;
    background-size: cover;
    overflow: hidden;
  }
  .data-sheet-pdf-image-wrapper {
    float: left;
    height: 30px;
    background-color: #306aff;
    align-content: center;
    display: flex !important;
    flex-wrap: wrap;
    justify-content: space-between;
    border-radius: 4px 0 0 4px;
    padding: 0 3px;
  }
  .data-sheet-pdf-image-wrapper {
    border-radius: 4px !important;
  }
  .data-sheet-text-wrapper {
    display: none !important;
  }
  .three {
    background-color: #eee;
    padding-bottom: .5rem;
  }
  .three .box-shadow {
    padding: .8rem;
    background-color: #fff;
    box-shadow: 0 3px 10px #adadad;
  }
  .three .active-box {
    margin-bottom: 1rem;
    padding: .5rem;
  }
  .three .active-box .h3 {
    text-align: center;
    margin: 0 auto 1rem;
    font-weight: 500;
  }
  .three .active-box .content {
    font-size: .8rem;
    line-height: 1.2rem;
  }
  .three .active-box .apply-btn {
    width: 220px;
    line-height: 45px;
    font-size: 16px;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    color: #fff;
    text-align: center;
    display: block;
    margin: 30px auto 0;
    background-color: #F79646;
    font-weight: 500;
  }
  .three .live-teacher {
    margin-bottom: 1rem;
    padding: .5rem;
  }
  .three .live-teacher .h3 {
    text-align: center;
    margin: 0 auto 30px;
    font-weight: 500;
  }
  .three .live-teacher .tea_name {
    font-size: .8rem;
    font-weight: 500;
    color: #333;
    text-align: center;
  }
  .three .live-teacher .tea_txt {
    font-size: .75rem;
    line-height: 1.2rem;
    margin-bottom: .5rem;
  }
  .three .live-teacher hr {
    background-color: #333;
    height: 1px;
    margin: 5px 0;
  }
  .three .live-teacher .teach_pic {
    display: block;
    margin: 0 auto .5rem;
  }
  .three .gift-box {
    margin-bottom: 1rem;
    padding: .5rem;
  }
  .three .gift-box .h3 {
    text-align: center;
    margin: 0 auto 30px;
    font-weight: 500;
  }
  .three .gift-box img {
    width: 100%;
    display: block;
    margin-bottom: 20px;
  }
  .three .txtbg {
    font-size: 1.2rem;
    margin: 0;
    /* background: url("../image/txtbg.png") no-repeat; */
    width: 138px;
    height: 45px;
    background-size: contain;
    line-height: 45px;
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
  }
  .three .date-box {
    margin-bottom: 1rem;
    padding: .5rem;
  }
  .three .date-box .h3 {
    text-align: center;
    margin: 0 auto 30px;
    font-weight: 500;
  }
  .three .date-box .consult-btn {
    float: right;
    width: 6rem;
    line-height: 2rem;
    font-size: .7rem;
    border-radius: 5px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
    color: #fff;
    text-align: center;
    display: block;
    margin: 0px auto 1rem;
    background-color: #F79646;
    font-weight: 500;
  }
  .three .date-box .data-cont {
    position: relative;
    display: flex;
    left: 0;
    transform: inherit;
    justify-content: space-between;
    padding-top: 0;
    width: 100%;
    flex-wrap: wrap;
  }
  .three .date-box .data-cont .item {
    width: 100%;
    margin-bottom: .5rem;
  }
  .three .date-box .data-cont .item img {
    width: 100%;
    display: block;
    margin: 0 auto;
  }
  .three .date-box .data-cont .item .txt a {
    margin: 10px auto;
    display: block;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #306AFF;
  }
}