* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

.flex {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    display: -webkit-flex;
}

.ordinary-flex {
    display: flex;
    flex-wrap: wrap;
    display: -webkit-flex;
}

.flex-justify {
    display: flex;
    flex-wrap: wrap;
    display: -webkit-flex;
    align-items: center;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    color: #333;
}

body {
    color: #333333;
    font-family: SourceHanSansCN-Regular;
}

.over {
    overflow: hidden;
}

.section {
    -webkit-transition: all 750ms;
    -o-transition: all 750ms;
    -moz-transition: all 750ms;
    transition: all 750ms;
    -webkit-transform: translateY(100px);
    -moz-transform: translateY(100px);
    -ms-transform: translateY(100px);
    -o-transform: translateY(100px);
    transform: translateY(100px);
    opacity: 0;
}

.is-show {
    display: none;
}

.run {
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
    transform: translateY(0);
    opacity: 1;
}

.font-size-14 {
    font-size: 14px;
    line-height: 14px;
}

.font-size-15 {
    font-size: 15px;
}

.font-size-16 {
    font-size: 16px;
    line-height: 16px;
}

.font-size-18 {
    font-size: 18px;
    line-height: 18px;
}

.font-18 {
    font-size: 18px !important;
    line-height: 40px !important;
}


.font-size-20 {
    font-size: 20px;
    line-height: 20px;
}

.font-size-21 {
    font-size: 21px;
    line-height: 21px;
}

.font-size-22 {
    font-size: 22px;
    line-height: 22px;
}

.font-size-23 {
    font-size: 23px;
    line-height: 23px;
}

.font-size-24 {
    font-size: 24px;
    line-height: 24px;
}

.font-size-27 {
    font-size: 27px;
    line-height: 27px;
}

.font-size-30 {
    font-size: 30px;
    line-height: 30px;
}

.font-size-32 {
    font-size: 32px;
    line-height: 32px;
}

.font-size-36 {
    font-size: 36px;
    line-height: 36px;
}

.font-size-40 {
    font-size: 40px;
    line-height: 40px;
}

.font-size-46 {
    font-size: 46px;
    line-height: 46px;
}

.font-size-49 {
    font-weight: 700;
    font-size: 49px;
    line-height: 49px;
}

.font-weight {
    font-weight: 700;
}

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

.section1 {
    padding-top: 189px;
    padding-bottom: 124px;
    position: relative;
}



.section1-img {
    position: absolute;
    top: 153px;
    right: -123px;
}

.section1-box {
    margin-bottom: 27px;
}

.section1-box div {
    width: 278px;
    height: 53px;
    background-color: #f0f3f9;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

.section1-box div:hover {
    background-color: #3888f4;
    color: #ffffff;
}

.section1-title {
    margin-bottom: 89px;
}

.section1-box-bottom {
    margin-bottom: 26px;
}

.btn {
    align-items: center;
    justify-content: center;
    color: #ffffff;
    display: flex;
    width: 289px;
    height: 53px;
    background-image: linear-gradient(90deg,
            #3888f4 0%,
            #01ddff 100%);
    border-radius: 27px;
}
.btn:hover{
    color:#ffffff;
}

.section1 .btn {
    margin-top: 78px;
}

.left {
    margin-right: 50px;
}

.section2 {
    background-image: linear-gradient(90deg,
            #3888f4 0%,
            #01ddff 100%);
    height: 791px;
    padding-top: 93px;
}

.title {
    text-align: center;
    font-weight: 700;
}

.section2 .title {
    color: #ffffff;
}

.section2-box {
    margin-top: 80px;
    border-bottom: 1px solid rgba(203,
            225,
            255, 0.4);
}

.flex-box-2 {
    width: 248px;
    height: 116px;
    padding-top: 17px;
    text-align: center;
    transition: 0.3s;
}

.flex-box-2:hover {
    background-color: #0b5ac0;
}

.section2-title {
    color: #04f6ff;
}

.section2-text {
    color: #ffffff;
}

.margin-2 {
    margin-top: 11px;
}

.section2-box2 {
    padding-top: 58px;
}

.left2 {
    padding-top: 19px;
}

.section2-title-2 {
    font-weight: 700;
    color: #ffffff;
}

.section2-text-2 {
    color: #ffffff;
    margin-top: 16px;
}

.left2-box {
    margin-top: 60px;
}

.section3 {
    padding-top: 109px;
    padding-bottom: 126px;
}

.switch {
    width: 1112px;
    height: 62px;
    background-color: #FBFBFC;
    margin: 0 auto;
    margin-top: 52px;
    border-bottom: #e9e9f0 solid 2px;
    box-sizing: border-box;
}

.switch-box {
    width: 935px;
    margin: 0 auto;
}

.switch-box div {
    width: 25%;
    transition: 0.3s;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 62px;
    cursor: pointer;
}

.switch-box div:hover {
    color: #0869ec;
}

.switch-box .active {
    background-color: #378af4;
    color: #ffffff !important;
    border-bottom: 3px solid #0B5AC0;
}

.box {
    width: 1159px;
    height: 427px;
    background-size: 100% 100%;
    box-shadow: 0px 0px 30px 2px rgba(20, 31, 58, 0.3);
    border-radius: 30px;
    margin: 0 auto;
    position: relative;
    border: solid 1px #ffffff;
    display: none;
}

.section3-box {
    margin-top: 50px;
}

.box1 {
    background-image: url('../img/back1.png');
    display: block;
}

.box2 {
    background-image: url('../img/back2.png');
}

.box3 {
    background-image: url('../img/back3.png');
}

.box4 {
    background-image: url('../img/back1.png');
}

.book {
    background: url('../img/bookmark2.png');
    position: absolute;
    background-size: 100% 100%;
    height: 55px;
    top: 53px;
    left: -28px;
    display: flex;
    align-items: center;
    padding-left: 84px;
}


.book1 {
    padding-right: 51px;
}

.book2 {
    padding-right: 55px;
}

.book3 {
    padding-right: 42px;
}

.book4 {
    width: 549px;
}

.book img {
    position: absolute;
    bottom: -13px;
    left: 4px;
}

.section3-text {
    margin-left: 20px;
}

.section3-ul {
    margin-top: 173px;
    margin-left: 63px;
}

.section3-ul li {
    display: flex;
    align-items: center;
    color: #ffffff;
    margin-top: 26px;
}

.dian {
    display: inline-block;
    border-radius: 50%;
    width: 5px;
    height: 5px;
    background-color: #ebf3fe;
    margin-right: 28px;
}

.picture1 {
    position: absolute;
    right: 32px;
    top: 40px;
}

.picture2 {
    position: absolute;
    right: 104px;
    top: 37px;
}

.picture3 {
    position: absolute;
    right: 67px;
    top: 19px;
}

.picture4 {
    position: absolute;
    right: 64px;
    top: -13px;
}

.section3-btn {
    margin: 0 auto;
    margin-top: 65px;
}

.section4 {
    height: 370px;
    background: url('../img/back5.jpg');
    padding-top: 89px;
}

.section4 .title {
    color: #ffffff;
}

.section4-box {
    padding-bottom: 1px;
    height: 337px;
    background-color: #fbfbfc;
    box-shadow: 0px 0px 29px 0px rgba(9, 67, 142, 0.16);
    margin-bottom: -152px;
    padding-left: 25px;
    margin-top: 56px;
}

.top-icon {
    width: 103px;
    transition: 0.3s;
    height: 103px;
    background-color: #3888f4;
    border-radius: 52px 52px 52px 0px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    margin-top: 39px;
}

.section4-box>div {
    width: 330px;
    text-align: center;

}

.section4-box>div:hover {
    border-bottom: #01DDFF 10px solid;
}

.section4-box>div:hover .top-icon {
    background-color: #01DDFF;
}

.section4-title {
    margin-top: 25px;
    margin-bottom: 22px;
}

.section4-text {
    line-height: 32px;
}

.section4-box1 {
    width: 343px !important;
    padding-right: 13px;
}

.section4-box2 {
    transition: 0.3s;
    position: relative;
    width: 334px !important;
}

.section4-box2::after {
    display: block;
    content: '';
    width: 2px;
    height: 273px;
    background-color: #b6d5ff;
    position: absolute;
    top: 28px;
    left: 0px;
}

.section4-box2::before {
    display: block;
    content: '';
    width: 2px;
    height: 273px;
    background-color: #b6d5ff;
    position: absolute;
    top: 28px;
    right: 0px;
}

.section4-box3 {
    position: relative;
    width: 332px !important;
    padding-right: 8px;
}

.section4-box3::after {
    display: block;
    content: '';
    width: 2px;
    height: 273px;
    background-color: #b6d5ff;
    position: absolute;
    top: 28px;
    right: 0px;
}

.section4-box4 {
    padding-right: 13px;
}

.section5 {
    margin-top: 281px;
}

.section5-box {
    margin-top: 68px;
    background-color: #ffffff;
    position: relative;
}

.diandiandian {
    position: absolute;
    right: -144px;
    bottom: -181px;
    z-index: -1;
}

.section5-box>div {
    margin-top: 0px;
    width: 333px;
    height: 475px;
    border-radius: 23px;
    background-image: url('../img/border1.png');
    background-size: 100% 100%;
    box-shadow: 0px 11px 29px 0px rgba(55, 138, 244, 0.16);
}

.section5-inner {
    text-align: center;
    padding-top: 99px;
}

.section5-title {
    margin-top: 61px;
}

.section5-text {
    color: #333333;
    line-height: 32px;
    width: 257px;
    margin: 0 auto;
    margin-top: 41px;
    text-align: left;
}

.section5-text-margin {
    color: #333333;
    line-height: 32px;
    width: 257px;
    margin: 0 auto;
    margin-top: 26px;
    text-align: left;
}

.section5-title-margin {
    margin-top: 46px;
}

.section5-title-margin1 {
    margin-top: 6px;
}

.section5 .btn {
    margin: 0 auto;
    margin-top: 69px;
}

.section6 {
    height: 627px;
    background-image: url('../img/back6.jpg');
    margin-top: 123px;
    padding-top: 118px;
}

.title-text {
    color: #333333;
    text-align: center;
    margin-top: 13px;
}

.section6-box {
    padding: 0 95px;
    margin-top: 73px;
}

.section6-box-margin {
    margin-top: 30px;
}

.section6-box div {
    width: 167px;
    transition: 0.3s;
    height: 43px;
    background-color: #cbe1ff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.section6-box div:hover {
    background-color: #3789f4;
    color: #ffffff;
}

.section7 {
    height: 273px;
    text-align: center;
    padding-top: 112px;
    background-image: url('../img/back7.png');
}

@media only screen and (max-width:1420px) {
    .wrap {
        width: 1200px;
        margin: 0 auto;
    }

    .font-size-14 {
        font-size: 12px;
        line-height: 12px;
    }

    .font-size-15 {
        font-size: 14px;
    }

    .font-size-16 {
        font-size: 15px;
        line-height: 15px;
    }

    .font-size-18 {
        font-size: 16px;
        line-height: 16px;
    }

    .font-size-20 {
        font-size: 18px;
        line-height: 18px;
    }



    .font-size-22 {
        font-size: 20px;
        line-height: 20px;
    }

    .font-size-23 {
        font-size: 20px;
        line-height: 20px;
    }

    .font-size-24 {
        font-size: 22px;
        line-height: 22px;
    }

    .font-size-27 {
        font-size: 25px;
        line-height: 25px;
    }

    .font-size-30 {
        font-size: 28px;
        line-height: 28px;
    }

    .font-size-32 {
        font-size: 30px;
        line-height: 30px;
    }

    .font-size-36 {
        font-size: 34px !important;
        line-height: 34px;
    }

    .font-size-40 {
        font-size: 38px;
        line-height: 38px;
    }

    .font-size-46 {
        font-size: 40px;
        line-height: 40px;
    }

    .font-size-49 {
        font-weight: 700;
        font-size: 45px;
        line-height: 45px;
    }

    .section1 {
        padding-top: 140px;
        padding-bottom: 100px;
    }

    .section1-img {
        top: 120px;
        right: -60px;
        width: 530px;
    }

    .section1-box {
        margin-bottom: 20px;
    }

    .section1-box div {
        width: 250px;
        height: 48px;
    }

    .section1-title {
        margin-bottom: 60px;
    }

    .btn {
        width: 260px;
        height: 48px;
    }

    .section1 .btn {
        margin-top: 68px;
    }

    .left {
        margin-right: 40px;
    }

    .section2 {
        height: auto;
        padding-top: 80px;
        padding-bottom: 80px;
    }

    .section2-box {
        margin-top: 70px;
    }

    .flex-box-2 {
        width: 200px;
        height: auto;
        padding: 15px 0;
    }

    .margin-2 {
        margin-top: 9px;
    }

    .section2-box2 {
        padding-top: 50px;
    }

    .left2 {
        padding-top: 10px;
    }


    .section2-text-2 {
        margin-top: 14px;
    }

    .left2-box {
        margin-top: 45px;
    }

    .right2 {
        width: 45%;
    }

    .right2 img {
        width: 100%;
    }

    .section3 {
        padding-top: 80px;
        padding-bottom: 100px;
    }

    .switch {
        width: 1050px;
        height: 58px;
        margin-top: 48px;
    }

    .switch-box {
        width: 925px;
        margin: 0 auto;
    }

    .switch-box div {
        width: 25%;
        height: 58px;
    }

    .switch-box .active {
        border-bottom: 2px solid #0B5AC0;
    }

    .box {
        width: 1000px;
        height: 400px;
    }

    .section3-box {
        margin-top: 40px;
    }

    .book {
        height: 50px;
        top: 48px;
        left: -28px;
        padding-left: 80px;
    }

    .book1 {
        padding-right: 40px;
    }

    .book2 {
        padding-right: 40px;
    }

    .book3 {
        padding-right: 40px;
    }

    .book4 {
        width: auto;
        padding-right: 40px;
    }

    .book img {
        bottom: -13px;
        left: 4px;
    }

    .section3-text {
        margin-left: 18px;
    }

    .section3-ul {
        margin-top: 140px;
        margin-left: 55px;
    }

    .section3-ul li {
        margin-top: 20px;
    }

    .dian {
        width: 5px;
        height: 5px;
        margin-right: 20px;
    }

    .picture1 {
        position: absolute;
        right: 30px;
        top: 38px;
        width: 48%;
    }

    .picture2 {
        position: absolute;
        right: 90px;
        top: 30px;
        width: 35%;
    }

    .picture3 {
        position: absolute;
        right: 60px;
        top: 20px;
        width: 45%;
    }

    .picture4 {
        position: absolute;
        right: 50px;
        top: -10px;
        width: 45%;
    }

    .section3-btn {
        margin-top: 50px;
    }

    .section4 {
        height: 360px;
        padding-top: 79px;
    }

    .section4-box {
        height: 300px;
        margin-bottom: -140px;
        padding-left: 20px;
        margin-top: 50px;
    }

    .top-icon {
        width: 95px;
        height: 95px;
        margin-top: 35px;
    }

    .section4-box>div {
        transition: 0.3s;
        width: 25% !important;
        text-align: center;
        padding: 0px !important;

    }

    .section4-title {
        margin-top: 20px;
        margin-bottom: 20px;
    }

    .section4-text {
        line-height: 28px;
    }

    .section4-box2::after {
        width: 2px;
        height: 80%;
        top: 50%;
        transform: translateY(-50%);
        left: 0px;
    }

    .section4-box2::before {
        width: 2px;
        height: 80%;
        top: 50%;
        transform: translateY(-50%);
        right: 0px;
    }

    .section4-box3 {
        position: relative;
        width: 332px !important;
        padding-right: 8px;
    }

    .section4-box3::after {
        width: 2px;
        height: 80%;
        top: 50%;
        transform: translateY(-50%);
        right: 0px;
    }

    .section5 {
        margin-top: 250px;
    }

    .section5-box {
        margin-top: 60px;
    }

    .section5-box>div {
        height: auto;
        width: calc(25% - 20px);
        transition: 0.3s;
        padding-bottom: 30px;
        border-radius: 23px;
    }

    .section5-inner {
        padding-top: 80px;
    }

    .section5-inner img {
        width: 100px;
    }

    .section5-title {
        margin-top: 50px;
    }

    .section5-text {
        line-height: 28px;
        width: 85%;
        margin-top: 35px;
    }

    .section5-text-margin {
        color: #333333;
        line-height: 28px;
        width: 85%;
        margin-top: 22px;
    }

    .section5-title-margin {
        margin-top: 35px;
    }

    .section5-title-margin1 {
        margin-top: 6px;
    }

    .section5 .btn {
        margin: 0 auto;
        margin-top: 50px;
    }

    .diandiandian {
        position: absolute;
        right: -144px;
        bottom: -181px;
        width: 420px;
        z-index: -1;
    }

    .section6 {
        height: auto;
        padding-bottom: 130px;
        margin-top: 100px;
        padding-top: 100px;
    }

    .title-text {
        margin-top: 10px;
    }

    .section6-box {
        padding: 0 80px;
        margin-top: 50px;
    }

    .section6-box-margin {
        margin-top: 25px;
    }

    .section6-box div {
        width: 150px;
        height: 40px;

    }

    .section7 {
        height: auto;
        padding-bottom: 100px;
        padding-top: 100px;
    }
}

@media only screen and (max-width:1220px) {
    .wrap {
        width: 1000px;
        margin: 0 auto;
    }

    .font-size-15 {
        font-size: 13px !important;
    }

    .font-size-16 {
        font-size: 14px !important;
        line-height: 14px;
    }

    .font-size-18 {
        font-size: 14px !important;
        line-height: 14px;
    }

    .font-size-20 {
        font-size: 16px !important;
        line-height: 16px;
    }

    .font-size-22 {
        font-size: 18px !important;
        line-height: 18px;
    }

    .font-size-23 {
        font-size: 18px !important;
        line-height: 18px;
    }

    .font-size-24 {
        font-size: 20px !important;
        line-height: 24px;
    }

    .font-size-27 {
        font-size: 23px !important;
        line-height: 23px;
    }

    .font-size-30 {
        font-size: 26px !important;
        line-height: 26px;
    }

    .font-size-32 {
        font-size: 28px !important;
        line-height: 28px;
    }

    .font-size-36 {
        font-size: 28px !important;
        line-height: 28px;
    }

    .font-size-40 {
        font-size: 36px !important;
        line-height: 36px;
    }

    .font-size-46 {
        font-size: 38px;
        line-height: 40px;
    }

    .font-size-49 {
        font-size: 40px;
        line-height: 42px;
    }

    .section1 {
        padding-top: 100px;
        padding-bottom: 80px;
    }

    .section1-img {
        top: 60px;
        right: -60px;
        width: 45%;
    }

    .section1-box {
        margin-bottom: 20px;
    }

    .section1-box div {
        width: 220px;
        height: 48px;
    }

    .section1-title {
        margin-bottom: 40px;
    }

    .btn {
        width: 220px;
        height: 48px;
    }

    .section1 .btn {
        margin-top: 40px;
    }

    .left {
        margin-right: 40px;
    }

    .section2 {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .section2-box {
        margin-top: 50px;
    }

    .flex-box-2 {
        width: 190px;
        padding: 12px 0;
    }

    .margin-2 {
        margin-top: 8px;
    }

    .section2-box2 {
        padding-top: 40px;
    }

    .left2 {
        padding-top: 5px;
    }


    .section2-text-2 {
        margin-top: 10px;
    }

    .left2-box {
        margin-top: 35px;
    }

    .right2 {
        width: 45%;
    }

    .right2 img {
        width: 100%;
    }

    .section3 {
        padding-top: 60px;
        padding-bottom: 80px;
    }

    .switch {
        width: 950px;
        height: 50px;
        margin-top: 48px;
    }

    .switch-box {
        width: 850px;
        margin: 0 auto;
    }

    .switch-box div {
        height: 50px;
    }


    .box {
        width: 900px;
        height: 380px;
    }

    .section3-box {
        margin-top: 35px;
    }

    .book {
        height: 45px;
        top: 40px;
        left: -23px;
        padding-left: 60px;
    }

    .book1,
    .book2,
    .book3,
    .book4 {
        padding-right: 35px;
    }

    .book img {
        width: 20px;
        bottom: -11px;
        left: 2px;
    }

    .section3-text {
        margin-left: 18px;
    }

    .section3-ul {
        margin-top: 140px;
        margin-left: 55px;
    }

    .section3-ul li {
        margin-top: 20px;
    }

    .dian {
        width: 5px;
        height: 5px;
        margin-right: 20px;
    }

    .picture1 {
        position: absolute;
        right: 30px;
        top: 38px;
        width: 48%;
    }

    .picture2 {
        position: absolute;
        right: 90px;
        top: 30px;
        width: 35%;
    }

    .picture3 {
        position: absolute;
        right: 60px;
        top: 20px;
        width: 45%;
    }

    .picture4 {
        position: absolute;
        right: 50px;
        top: -10px;
        width: 45%;
    }

    .section3-btn {
        margin-top: 50px;
    }

    .section4 {
        height: 280px;
        padding-top: 60px;
    }

    .section4-box {
        height: 240px;
        padding-left: 20px;
        margin-top: 45px;
    }

    .top-icon {
        width: 80px;
        height: 80px;
        margin-top: 20px;
    }

    .top-icon img {
        width: 50%;
    }

    .section4-box>div {
        width: 25% !important;
        text-align: center;
        padding: 0px !important;
    }

    .section4-title {
        margin-top: 20px;
        margin-bottom: 15px;
    }

    .section4-text {
        line-height: 22px;
    }

    .section4-box2::after {
        height: 85%;
    }

    .section4-box2::before {
        height: 85%;
    }

    .section4-box3::after {
        height: 85%;
    }

    .section5 {
        margin-top: 200px;
    }

    .section5-box {
        margin-top: 50px;
    }

    .section5-box>div {
        width: calc(25% - 20px);
        padding-bottom: 30px;
        border-radius: 23px;
    }

    .section5-inner {
        padding-top: 70px;
    }

    .section5-inner img {
        width: 95px;
    }

    .section5-title {
        margin-top: 40px;
        font-size: 19px !important;
    }

    .section5-title-margin {
        margin-top: 25px;
    }

    .section5-text {
        line-height: 22px;
        width: 85%;
        margin-top: 30px;
    }

    .section5-text-margin {
        color: #333333;
        line-height: 22px;
        width: 85%;
        margin-top: 17px;
    }



    .section5-title-margin1 {
        margin-top: 5px;
    }

    .section5 .btn {
        margin: 0 auto;
        margin-top: 40px;
    }

    .diandiandian {
        right: -144px;
        bottom: -181px;
        width: 400px;
        z-index: -1;
    }

    .section6 {
        height: auto;
        padding-bottom: 100px;
        margin-top: 70px;
        padding-top: 70px;
    }

    .title-text {
        margin-top: 8px;
    }

    .section6-box {
        padding: 0 50px;
        margin-top: 40px;
    }

    .section6-box-margin {
        margin-top: 20px;
    }

    .section6-box div {
        width: 140px;
        height: 38px;
    }

    .section7 {
        height: auto;
        padding-bottom: 70px;
        padding-top: 70px;
    }
}

@media only screen and (max-width:1023px) {
    .wrap {
        width: 90%;
        margin: 0 auto;
    }

    .font-size-15 {
        font-size: 12px !important;
    }

    .font-size-16 {
        font-size: 13px !important;
        line-height: 16px;
    }

    .font-size-18 {
        font-size: 13px !important;
        line-height: 13px;
    }

    .font-size-20 {
        font-size: 14px !important;
        line-height: 14px;
    }

    .font-size-22 {
        font-size: 16px !important;
        line-height: 16px;
    }

    .font-size-23 {
        font-size: 16px !important;
        line-height: 16px;
    }

    .font-size-24 {
        font-size: 18px !important;
        line-height: 18px;
    }

    .font-size-27 {
        font-size: 21px !important;
        line-height: 21px;
    }

    .font-size-30 {
        font-size: 24px !important;
        line-height: 24px;
    }

    .font-size-32 {
        font-size: 24px !important;
        line-height: 24px;
    }

    .font-size-36 {
        font-size: 24px !important;
        line-height: 24px;
    }

    .font-size-40 {
        font-size: 34px !important;
        line-height: 34px;
    }


    .font-size-46 {
        font-size: 36px;
        line-height: 38px;
    }

    .font-size-49 {
        font-size: 36px;
        line-height: 38px;
    }

    .section1 {
        padding-top: 80px;
        padding-bottom: 60px;
    }

    .section1-img {
        top: 70px;
        right: -40px;
        width: 43%;
    }

    .section1-box {
        margin-bottom: 18px;
    }

    .section1-left {
        width: 50%;
    }

    .left {
        margin-right: 30px;
    }

    .section1-box div {
        width: calc(45% - 15px);
        height: 40px;
    }

    .section1-title {
        margin-bottom: 30px;
    }

    .btn {
        width: 200px;
        height: 40px;
    }

    .section1 .btn {
        margin-top: 30px;
    }

    .section2 {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .section2-box {
        margin-top: 25px;
    }

    .flex-box-2 {
        width: 20%;
        padding: 10px 0;
    }

    .margin-2 {
        margin-top: 7px;
    }

    .section2-box2 {
        padding-top: 30px;
    }

    .left2 {
        padding-top: 4px;
        width: 45%;
    }


    .section2-text-2 {
        margin-top: 8px;
    }

    .left2-box {
        margin-top: 30px;
    }

    .right2 {
        width: 50%;
    }

    .right2 img {
        width: 100%;
    }

    .right2 img {
        width: 100%;
    }

    .section3 {
        padding-top: 60px;
        padding-bottom: 80px;
    }

    .switch {
        width: 90%;
        height: 45px;
        margin-top: 40px;
    }

    .switch-box {
        width: 90%;
        margin: 0 auto;
    }

    .switch-box div {
        height: 45px;
    }


    .box {
        width: 88%;
        height: auto;
        padding-bottom: 100px;
    }

    .section3-box {
        margin-top: 30px;
    }

    .book {
        height: 40px;
        top: 35px;
        left: -21px;
        padding-left: 50px;
    }

    .book1,
    .book2,
    .book3,
    .book4 {
        padding-right: 30px;
    }

    .book img {
        width: 18px;
        bottom: -11px;
        left: 2px;
    }

    .section3-text {
        margin-left: 16px;
    }

    .section3-ul {
        margin-top: 120px;
        margin-left: 50px;
    }

    .section3-ul li {
        margin-top: 15px;
    }

    .dian {
        width: 5px;
        height: 5px;
        margin-right: 18px;
    }

    .picture1 {
        position: absolute;
        right: 30px;
        top: 38px;
        width: 48%;
    }

    .picture2 {
        position: absolute;
        right: 90px;
        top: 30px;
        width: 35%;
    }

    .picture3 {
        position: absolute;
        right: 60px;
        top: 20px;
        width: 45%;
    }

    .picture4 {
        position: absolute;
        right: 50px;
        top: -10px;
        width: 45%;
    }

    .section3-btn {
        margin-top: 50px;
    }

    .section4 {
        height: 260px;
        padding-top: 40px;
    }


    .top-icon {
        width: 65px;
        height: 65px;
        margin-top: 20px;
    }

    .top-icon img {
        width: 50%;
    }

    .section4-box>div {
        width: 25% !important;
    }

    .section4-title {
        margin-top: 15px;
        margin-bottom: 13px;
        font-size: 16px !important;
    }

    .section4-text {
        line-height: 20px;
        font-size: 12px !important;
    }

    .section4-box2::after {
        height: 85%;
    }

    .section4-box2::before {
        height: 85%;
    }

    .section4-box3::after {
        height: 85%;
    }

    .section4-box {
        height: 210px;
        padding-left: 0px;
        margin-top: 35px;
    }

    .section5 {
        margin-top: 140px;
    }

    .section5-box {
        margin-top: 40px;
    }

    .section5-box>div {
        width: calc(25% - 10px);
        padding-bottom: 25px;
        border-radius: 15px;
    }

    .section5-inner {
        padding-top: 50px;
    }

    .section5-inner img {
        width: 85px;
    }

    .section5-title {
        margin-top: 20px;
        font-size: 16px !important;
    }

    .section5-title-margin {
        margin-top: 15px;
        font-size: 16px !important;
    }

    .section5-title-margin1 {
        margin-top: 5px;
        font-size: 16px !important;
    }

    .section5-text {
        line-height: 22px;
        width: 85%;
        margin-top: 22px;
    }

    .section5-text-margin {
        color: #333333;
        line-height: 22px;
        width: 85%;
        margin-top: 6px;
    }




    .section5 .btn {
        margin: 0 auto;
        margin-top: 40px;
    }

    .diandiandian {
        right: -144px;
        bottom: -181px;
        width: 400px;
        z-index: -1;
    }

    .section6 {
        height: auto;
        padding-bottom: 70px;
        margin-top: 50px;
        padding-top: 50px;
    }

    .title-text {
        margin-top: 8px;
    }

    .section6-box {
        padding: 0 0px;
        margin-top: 30px;
    }

    .section6-box-margin {
        margin-top: 18px;
    }

    .section6-box div {
        width: calc(17% - 10px);
        height: 35px;
    }

    .section7 {
        height: auto;
        padding-bottom: 50px;
        padding-top: 50px;
    }
}

@media only screen and (max-width:910px) {
    .font-size-36 {
        font-size: 20px !important;
    }

    .font-size-16 {
        font-size: 12px !important;
        line-height: 18px;
    }

    .section1-right {
        margin-top: 60px;
        width: 410px;
    }


    .section2-text-2 {
        margin-top: 8px;
    }

    .left2-box {
        margin-top: 15px;
    }

    .picture1 {
        position: absolute;
        right: 30px;
        top: 50%;
        transform: translateY(-50%);
        width: 48%;
    }

    .picture2 {
        position: absolute;
        right: 30px;
        top: 50%;
        transform: translateY(-50%);
        width: 35%;
    }

    .picture3 {
        position: absolute;
        right: 30px;
        top: 50%;
        transform: translateY(-50%);
        width: 45%;
    }

    .picture4 {
        position: absolute;
        right: 30px;
        top: 50%;
        transform: translateY(-50%);
        width: 45%;
    }

    .section5-title {
        font-size: 14px !important;
    }

    .section5-title-margin {
        margin-top: 15px;
        font-size: 14px !important;
    }

    .section5-title-margin1 {
        margin-top: 5px;
        font-size: 14px !important;
    }
}

@media only screen and (max-width:767px) {

    .wrap {
        width: 90%;
        margin: 0 auto;
    }

    .font-size-15 {
        font-size: 12px !important;
        line-height: 14px;
    }

    .font-size-16 {
        font-size: 12px !important;
        line-height: 14px;
    }

    .font-size-18 {
        font-size: 12px !important;
        line-height: 14px;
    }

    .font-size-20 {
        font-size: 13px !important;
        line-height: 15px;
    }

    .font-size-22 {
        font-size: 14px !important;
        line-height: 16px;
    }

    .font-size-23 {
        font-size: 14px !important;
        line-height: 16px;
    }

    .font-size-24 {
        font-size: 15px !important;
        line-height: 18px;
    }

    .font-size-27 {
        font-size: 14px !important;
        line-height: 19px;
    }

    .font-size-30 {
        font-size: 18px !important;
        line-height: 20px;
    }

    .font-size-32 {
        font-size: 18px !important;
        line-height: 20px;
    }

    .font-size-36 {
        font-size: 18px !important;
        line-height: 20px;
    }

    .font-size-40 {
        font-size: 20px !important;
        line-height: 24px;
    }

    .font-size-46 {
        font-size: 18px;
        line-height: 26px;
    }

    .font-size-49 {
        font-size: 20px;
        line-height: 24px;
    }

    .section1 {
        padding-top: 30px;
        padding-bottom: 30px;
    }

    .no-flex {
        display: block;
    }

    .section1-img {
        position: static;
        width: 80%;
        margin: 0 auto;
        display: block;
        margin-top: 15px;
    }

    .section1-box {
        margin-bottom: 18px;
    }

    .section1-left {
        width: 90%;
    }

    .left {
        margin-right: 20px;
    }

    .section1-box div {
        width: calc(50% - 10px);
        height: 35px;
    }

    .section1-title {
        margin-bottom: 20px;
    }

    .btn {
        width: 30%;
        height: 35px;
    }

    .section1 .btn {
        margin-top: 20px;
    }

    .section2 {
        padding-top: 30px;
        padding-bottom: 30px;
    }

    .section2-box {
        margin-top: 15px;
    }

    .small-box {
        justify-content: flex-start
    }

    .flex-box-2 {
        width: 33%;
        padding: 10px 0;
    }

    .margin-2 {
        margin-top: 7px;
    }

    .section2-box2 {
        padding-top: 15px;
        display: block;

    }

    .left2 {
        padding-top: 4px;
        margin-bottom: 20px;
        width: 100%;
    }


    .section2-text-2 {
        margin-top: 6px;
    }

    .left2-box {
        margin-top: 15px;
    }

    .right2 {
        width: 90%;
        margin: 0 auto;
    }

    .right2 img {
        width: 100%;
    }

    .section3 {
        padding-top: 30px;
        padding-bottom: 30px;
    }

    .switch {
        display: none;
        width: 90%;
        height: 45px;
        margin-top: 40px;
    }

    .small-tit {
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 15px;
        width: 200px;
        background-color: #FBFBFC;
        border-bottom: #e9e9f0 solid 2px;
        margin: 0 auto;
    }

    .box {
        display: block;
    }

    .switch-box {
        width: 90%;
        margin: 0 auto;
    }

    .switch-box div {
        height: 45px;
    }


    .box {
        width: 88%;
        height: auto;
        padding-bottom: 20px;
        margin-bottom: 20px;
    }

    .section3-box {
        margin-top: 30px;
    }

    .book {
        height: 35px;
        top: 30px;
        left: -19px;
        padding-left: 35px;
    }

    .book1,
    .book2,
    .book3,
    .book4 {
        padding-right: 25px;
    }

    .book img {
        width: 16px;
        bottom: -11px;
        left: 2px;
    }

    .section3-text {
        margin-left: 16px;
    }

    .section3-ul {
        margin-top: 80px;
        margin-left: 15px;
    }

    .section3-ul li {
        margin-top: 12px;
    }

    .dian {
        width: 4px;
        height: 4px;
        margin-right: 10px;
    }


    .picture1 {
        position: static;
        transform: translateY(0%);
        width: 75%;
        margin: 0 auto;
        margin-top: 10px;
        display: block;
    }

    .picture2 {
        position: static;
        transform: translateY(0%);
        width: 75%;
        margin: 0 auto;
        margin-top: 10px;
        display: block;
    }

    .picture3 {
        position: static;
        transform: translateY(0%);
        width: 75%;
        margin: 0 auto;
        margin-top: 10px;
        display: block;
    }

    .picture4 {
        position: static;
        transform: translateY(0%);
        width: 75%;
        margin: 0 auto;
        margin-top: 10px;
        display: block;
    }

    .section3-btn {
        margin-top: 20px;
    }

    .section4 {
        height: auto;
        padding-top: 20px;
        padding-bottom: 20px;
    }


    .top-icon {
        width: 50px;
        height: 50px;
        margin-top: 20px;
    }

    .top-icon img {
        width: 50%;
    }

    .section4-box>div {
        width: 50% !important;
    }

    .section4-title {
        margin-top: 15px;
        margin-bottom: 13px;
        font-size: 16px !important;
    }

    .section4-text {
        line-height: 20px;
        font-size: 12px !important;
    }

    .section4-box2::after {
        height: 85%;
    }

    .section4-box2::before {
        height: 0px;
    }

    .section4-box3::after {
        height: 90%;
        right: -2px;
        top: calc(50% + 10px);
    }

    .section4-box {
        height: auto;
        padding-left: 0px;
        margin-top: 20px;
        padding-bottom: 20px;
    }

    .section4-box>div:hover {
        border: none;
    }

    .section5 {
        margin-top: 30px;
    }

    .section5-box {
        margin-top: 30px;
    }

    .section5-box>div {
        width: calc(50% - 10px);
        padding-bottom: 25px;
        border-radius: 15px;
        margin-bottom: 20px;
    }

    .section5-inner {
        padding-top: 30px;
    }

    .section5-inner img {
        width: 60px;
    }

    .section5-title {
        margin-top: 20px;
        font-size: 16px !important;
    }

    .section5-title-margin {
        margin-top: 15px;
        font-size: 16px !important;
    }

    .section5-title-margin1 {
        margin-top: 5px;
        font-size: 16px !important;
    }

    .section5-text {
        line-height: 22px;
        width: 85%;
        margin-top: 22px;
    }

    .section5-text-margin {
        color: #333333;
        line-height: 22px;
        width: 85%;
        margin-top: 6px;
    }




    .section5 .btn {
        margin: 0 auto;
        margin-top: 20px;
    }

    .diandiandian {
        right: -144px;
        bottom: -181px;
        width: 400px;
        display: none;
        z-index: -1;
    }

    .section6 {
        height: auto;
        padding-bottom: 17px;
        margin-top: 30px;
        padding-top: 27px;
    }

    .title-text {
        margin-top: 6px;
    }

    .section6-box {
        padding: 0 0px;
        margin-top: 20px;
    }

    .section6-box-margin {
        margin-top: 0px;
    }

    .section6-box div {
        width: calc(33% - 10px);
        height: 35px;
        margin-bottom: 13px;
    }

    .section7 {
        height: auto;
        padding-bottom: 40px;
        padding-top: 40px;
    }
}


@media only screen and (max-width:520px) {
    .btn {
        width: 45%;
        height: 35px;
    }

    .font-size-36 {
        font-size: 20px !important;
        line-height: 22px;
    }

    .font-size-24 {
        font-size: 14px !important;
        line-height: 16px;
    }

    .font-size-36 {
        font-size: 15px !important;
        line-height: 18px;
    }

    .section1 .btn {
        width: 50%;
    }

    .section4-box>div {
        width: 100% !important;
    }

    .section4-box2::after {
        height: 0%;
    }

    .section4-box2::before {
        height: 0px;
    }

    .section4-box3::after {
        height: 0%;
    }
}

@media only screen and (max-width:471px) {
    .title {
        width: 80%;
        margin: 0 auto;
        line-height: 20px !important;
    }

    .font-size-36 {
        font-size: 20px !important;
        line-height: 22px;
    }

    .font-size-24 {
        font-size: 14px !important;
        line-height: 16px;
    }

    .font-size-36 {
        font-size: 15px !important;
        line-height: 18px;
    }

    .section1 .btn {
        width: 50%;
    }

    .section4-box>div {
        width: 100% !important;
    }

    .section4-box2::after {
        height: 0%;
    }

    .section4-box2::before {
        height: 0px;
    }

    .section4-box3::after {
        height: 0%;
    }
}

@media only screen and (max-width:350px) {
    .section3-title {
        font-size: 12px !important;
    }

    .section3-text {
        font-size: 12px !important;
        margin-left: 10px;
    }

    .book {
        padding-left: 20px;
    }
}