.solu {
    padding-top: 160px;
}

.solu:not(:first-child) {
    padding-top: 130px;
}

.myContainer {
    max-width: 1440px;
    padding: 0 20px;
    margin: auto;
}

.solu .pTitle {
    font-family: SourceHanSansCN-Bold;
    font-size: 58px;
    line-height: 1.62;
    padding-bottom: 70px;
    border-bottom: 2px solid #dfdfdf;
    font-size: 40px;
    color: #1c2075;
}

.solu .pTitle .small {
    font-size: 0.689em;
    color: #484646;
    /* padding-left: 38px; */
}

.solu .soluContent {
    padding-top: 70px;
    font-family: SourceHanSansCN-Regular;
    font-size: 19px;
    line-height: 2;
    color: #484646;
}

.solu .videoBox {
    width: 100%;
    position: relative;
    margin: 70px 0;
}

.solu .videoBox .play {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.solu .videoBox .play img {
    width: 98px;
    height: auto;
    background-color: transparent;
    cursor: pointer;
}

.solu .videoBox video {
    width: 100%;
    height: auto;
    display: block;
}


.solu .bottom {
    background-color: #f5f5f5;
    background-image: url(../images/bottomSelect.png);
    background-repeat: no-repeat;
    background-position: top center;
    background-size: 25.1% auto;
    padding: 170px 0;
}

.solu .bottomContent {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.solu .bottomContent .item {
    padding: 60px;
    background-color: #fff;
}

.solu .bottomContent .item .itemTitle {
    font-family: SourceHanSansCN-Bold;
    font-size: 32px;
    line-height: 1;
    color: #f39700;
}

.solu .bottomContent .item .itemTitle .describe {
    font-family: SourceHanSansCN-Regular;
    font-size: 19px;
    line-height: 1.538;
    color: #484646;
    padding-top: 40px;
}

.solu .bottomContent .item .itemContent {
    /* padding-top: 50px; */
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    gap: 70px;
}

.solu .bottomContent .item .itemContent .line_1 {
    padding-bottom: 70px;
    border-bottom: 1px solid #bebebe;
}

.solu .bottomContent .item .itemContent .line_2:nth-child(1) {
    padding-top: 40px;
    border-top: 1px solid #bebebe;

}

.solu .bottomContent .item .itemContent .li {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.solu .bottomContent .item .itemContent .li .liTitle {
    font-family: SourceHanSansCN-Bold;
    font-size: 26px;
    line-height: 1.53;
    letter-spacing: 0px;
    color: #1c2075;
}

.solu .bottomContent .item .itemContent .li .text {
    font-family: SourceHanSansCN-Regular;
    font-size: 19px;
    line-height: 1.53;
    color: #484646;
}

.solMenu {

    width: 425px;

    box-sizing: border-box;

    padding: 80px 50px 50px;

}



.solMenu h4 {

    font-size: 32px;

    letter-spacing: 0px;

    color: #1c2075;

}



.solist {

    margin: 30px 0;

    padding: 50px 0;

    position: relative;

}



.solist::before {

    content: '';

    display: block;

    width: 1px;

    height: 100%;

    border-left: 1px dashed #808080;

    position: absolute;

    top: 0;

    left: 7px;

}


.solist li {
    margin: 0 0 30px;
}


.clA {

    display: flex;

    align-items: center;

    font-size: 24px;

    font-weight: normal;

    font-stretch: normal;

    line-height: 36px;

    letter-spacing: 0px;

    color: #808080;

    position: relative;

    z-index: 1;


    cursor: pointer;

}

.clB {
    box-sizing: border-box;
    padding-left: 30px;
    position: relative;
    color: #808080;
    font-size: 16px;
    line-height: 25px;
    display: none;
}



.clB::before {
    content: '';
    display: block;
    width: 1px;
    height: 100%;
    border-left: 1px dashed #808080;
    position: absolute;
    top: 0;
    left: 38px;
}




.clA>span {

    display: flex;

    align-items: center;

    justify-content: center;

    width: 16px;

    height: 16px;

    border-radius: 50%;

    box-sizing: border-box;

    border: 1px solid #808080;

    margin-right: 15px;

}

.clB p>span {
    display: flex;

    align-items: center;

    justify-content: center;

    width: 16px;

    height: 16px;

    box-sizing: border-box;

    border: 1px solid #808080;

    margin-right: 10px;
}



.clA>span::before {

    content: '';

    display: block;

    width: 10px;

    height: 10px;

    background: #808080;

    border-radius: 50%;

}




.clB p>span::before {
    content: '';

    display: block;

    width: 8px;

    height: 8px;

    background: #808080;
}


.clA p,
.clB p {
    display: flex;
    position: relative;
}

.clB p {
    margin: 10px 0;
    cursor: pointer;
}

.clB p b {
    width: calc(100% - 26px);
    font-weight: 300;
}



.solist li:hover .clA,

.solist .solActive .clA,

.clB p:hover,

.clB .clbActive {

    color: #1c2075;

}



.solist li:hover .clA>span,

.solist .solActive .clA>span,

.clB p:hover>span,

.clB .clbActive span {

    border-color: #1C2075;

}



.solist li:hover .clA>span::before,

.solist .solActive .clA>span::before,

.clB p:hover span::before,

.clB .clbActive span::before {

    background: #1C2075;

}



.hui {

    background: #F5F6F7;

}



.soluInfo {

    box-sizing: border-box;
    margin: auto;


}

.soluInfo .pTitle {
    font-family: SourceHanSansCN-Bold;
    font-size: 58px;
    line-height: 94px;
    color: #1c2075;
}


.solTitle h2 {

    display: flex;

    align-items: center;

    justify-content: center;

    font-size: 62px;

    letter-spacing: 0px;

    color: #1c2075;

}



.solTitle h2 img {

    display: block;

    margin-right: 30px;

}



.solTitle p {

    font-size: 26px;

    font-weight: normal;

    font-stretch: normal;

    line-height: 43px;

    letter-spacing: 0px;

    color: #484646;

    margin: 120px 0 110px;

}



.solTab li {

    max-width: 915px;

    margin: 0 auto;

    display: none;

}



.solTab li:first-child {

    display: block;

}



.solTab h4 {

    font-size: 48px;

    text-align: center;

    letter-spacing: 0px;

    color: #f39700;

    margin: 0 0 60px;

}



.solTab p {

    display: flex;

    align-items: flex-start;

    font-size: 26px;

    font-weight: normal;

    font-stretch: normal;

    line-height: 43px;

    letter-spacing: 0px;

    color: #484646;

}

.solTab .treBox p::before {
    background: #1c2075;
}



.solTab p::before {

    content: '';

    display: block;

    width: 17px;

    height: 17px;

    margin-right: 30px;

    background: #f39700;

}



.solTab p span {

    display: block;

    width: calc(100% - 47px);

}

.treBox {
    margin-top: 30px;
}

.treBox h5 {
    color: #f39700;
    text-align: center;
    font-size: 26px;
}

.solTab .treBox p {
    font-size: 16px;
}

.treBox>div {
    display: none;
}

.treBox>div:first-child {
    display: block;
}



.solMark {

    display: flex;

    align-items: center;

    justify-content: center;

    margin: 150px 0 0;

}



.solMark li {

    width: 16px;

    height: 16px;

    background-color: #545454;

    margin: 0 20px;

    border-radius: 50%;

    transition: .6s;

    border: solid 5px #fff;

}



.solMark .markActive {

    /* width: 20px;
  
    height: 20px; */

    border: solid 5px #545454;

    background: #fff;

}


@media screen and (max-width:1750px) {

    .soluInfo {
        padding: 50px 100px 100px;
    }

    .solMenu {
        padding: 50px;
    }

    .solMenu h4 {
        font-size: 28px;
    }

    .solist li {
        font-size: 20px;
    }

    .solTitle h2 {
        font-size: 46px;
    }

    .solTitle h2 img {
        width: 70px;
    }

    .solTitle p,
    .solTab p {
        font-size: 20px;
        line-height: 35px;
    }

    .solTitle p {
        margin: 80px 0 60px;
    }

    .solTab p::before {
        margin-top: 8px;
    }

    .solTab h4 {
        font-size: 36px;
        margin: 0 0 40px;
    }

    .solMark li {
        width: 14px;
        height: 14px;
    }

    /* .solMark .markActive {
      width: 14px;
      height: 14px;
    } */

}

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

    .solMenu {
        padding: 40px 50px;
        width: 400px;
    }

    .soluInfo {
        padding: 50px 100px 100px;
        width: calc(100% - 400px);
    }

    .solMenu h4 {
        font-size: 26px;
    }

    .solist {
        margin: 20px 0;
        padding: 20px 0;
    }

    .solist li {
        font-size: 18px;
        line-height: 30px;
    }

    .soluInfo {
        padding: 50px 80px 80px;
        width: calc(100% - 400px);
    }

    .solTitle h2 {
        font-size: 42px;
    }

    .solTitle p,
    .solTab p {
        font-size: 18px;
        line-height: 32px;
    }

    .solTitle p {
        margin: 50px 0 40px;
    }

    .solTab h4 {
        font-size: 32px;
        margin: 0 0 30px;
    }

    .solMark {
        margin: 60px 0 0;
    }

}

@media (max-width:1280px) {
    .solu .bottomContent .item .itemTitle .describe {
        font-size: 18px;
    }
}

@media screen and (max-width:1200px) {

    .solMenu {
        padding: 40px 30px;
        width: 320px;
    }

    .solMenu h4 {
        font-size: 22px;
    }

    .solist li {
        font-size: 16px;
        line-height: 30px;
        margin: 0 0 15px;
    }

    .soluInfo {
        padding: 40px 50px 50px;
        width: calc(100% - 320px);
    }

    .solTitle h2 img {
        width: 55px;
        margin-right: 20px;
    }

    .solTitle h2 {
        font-size: 34px;
    }

    .solTitle p,
    .solTab p {
        font-size: 16px;
        line-height: 30px;
    }

    .solTitle p {
        margin: 30px 0 40px;
    }

    .solTab h4 {
        font-size: 26px;
        margin: 0 0 30px;
    }

}

@media (max-width:1280px) {
    .solu .pTitle {
        font-size: 36px;
        padding-bottom: 30px;
    }

    .solu .soluContent {
        font-size: 18px;
        padding-top: 30px;
    }

    .solu .bottomContent .item {
        padding: 40px;
    }

    .solu .bottomContent .item .itemTitle {
        font-size: 28px;
    }

    .solu:not(:first-child) {
        padding-top: 70px;
    }
}

@media screen and (max-width:1100px) {

    .solMenu {
        padding: 40px 15px;
        width: 260px;
    }

    .solist li {
        font-size: 15px;
        line-height: 30px;
        margin: 0 0 10px;
    }

    .soluInfo {
        padding: 40px 30px 50px;
        width: calc(100% - 260px);
    }

    .solTitle h2 img {
        width: 40px;
        margin-right: 15px;
    }

    .solTitle h2 {
        font-size: 30px;
    }

    .solTitle p,
    .solTab p {
        font-size: 15px;
        line-height: 28px;
    }

    .solTab h4 {
        font-size: 22px;
        margin: 0 0 20px;
    }

    .solMark li {
        width: 14px;
        height: 14px;
        margin: 0 10px;
        border: 3px solid transparent;
    }

    .solMark .markActive {
        border: 3px solid #545454;
    }

    .aTitle {
        font-size: 36px;
    }

    .achList li p {
        font-size: 18px;
    }

    .achievements .ps {
        font-size: 18px;
    }

    .solu .pTitle {
        font-size: 36px;
        padding-bottom: 30px;
    }

    .solu .soluContent {
        padding-top: 30px;
        font-size: 18px;
    }

    .solu .videoBox {
        margin: 40px 0;
    }

    .solu .bottomContent .item {
        padding: 30px;
    }

    .solu .bottomContent .item .itemTitle {
        font-size: 24px;
    }

    .solu .bottomContent .item .itemContent {
        margin-top: 30px;
        padding-top: 30px;
        gap: 25px;
    }

    .solu .bottomContent .item .itemTitle .describe {
        padding-top: 25px;
    }

    .solu .bottomContent .item .itemContent .li {
        gap: 15px;
    }

    .solu .bottomContent .item .itemContent .li .liTitle {
        font-size: 20px;
    }

    .solu .bottomContent .item .itemContent .li .text {
        font-size: 16px;
    }

    .solu:not(:first-child) {
        padding-top: 40px;
    }

    .solu .bottom {
        padding: 70px 0;
    }
}

.solT01 {
    display: none;
}

@media screen and (max-width:768px) {

    .solT01 {
        display: block;
    }

    .solT02 {
        display: none;
    }

    .solu {
        flex-wrap: wrap;
    }

    .solMenu {
        padding: 20px 15px;
        width: 100%;
    }

    .solMenu h4 {
        font-size: 20px;
    }

    .solist {
        margin: 10px 0;
        padding: 5px 0;
    }

    .solist li {
        font-size: 15px;
        line-height: 25px;
        margin: 0 0 10px;
    }

    .soluInfo {
        padding: 30px 15px 40px;
        width: 100%;
    }

    .solTitle h2 img {
        width: 35px;
        margin-right: 15px;
    }

    .solTitle h2 {
        font-size: 24px;
    }

    .solTitle p,
    .solTab p {
        font-size: 14px;
        line-height: 25px;
    }

    .solTitle p {
        margin: 15px 0 30px;
    }

    .solTab h4 {
        font-size: 18px;
        margin: 0 0 10px;
    }

    .solTab p::before {
        margin-top: 8px;
        width: 15px;
        height: 15px;
        margin-right: 20px;
    }

    .solMark li {
        width: 10px;
        height: 10px;
    }

    .treBox h5 {
        font-size: 16px;
    }

    .solTab .treBox p {
        font-size: 13px;
        line-height: 20px;
    }

    .solMark {
        margin: 30px 0 0;
    }

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

    .solu {
        padding: 30px 0 0;
    }

 
    .solu .bottomContent .item .itemContent .line_2:nth-child(1){
        padding-top: 10px;
    }
    .solu .pTitle {
        font-size: 24px;
        padding-bottom: 20px;
    }

    .solu:not(:first-child) {
        padding-top: 30px;
    }

    .solu .soluContent {
        padding-top: 20px;
        font-size: 14px;
    }

    .solu .videoBox {
        margin: 20px 0;
    }

    .solu .videoBox .play img {
        width: 50px;
    }

    .solu .bottom {
        padding: 40px 0;
    }

    .solu .bottomContent .item {
        padding: 20px;
    }

    .solu .bottomContent .item .itemTitle {
        font-size: 20px;
    }

    .solu .bottomContent .item .itemContent {
        padding-top: 10px;
        margin-top: 10px;
        gap: 15px;
    }
    .solu:not(:first-child){
        padding-bottom: 0;
    }
    .solu .bottomContent .item .itemContent .li {
        gap: 10px;
    }

    .solu .bottomContent .item .itemTitle .describe {
        padding-top: 20px;
        font-size: 14px;
    }

    .solu .bottomContent .item .itemContent .li .liTitle {
        font-size: 16px;
    }

    .solu .bottomContent .item .itemContent .li .text {
        font-size: 12px;
    }

    .solu .pTitle .small {
        display: block;
        padding-left: 0;
    }
}