/* banner img */
.banner-img-pc {
    display: block;
}

.banner-img-mobile {
    display: none !important
}

@media screen and (max-width:767px) {
    .banner-img-pc {
        display: none !important;
    }

    .banner-img-mobile {
        display: block !important;
    }
}

.g-pd {}

.f-box {
    margin: 0 auto;
    width: 1400px;
    max-width: 100%;
    overflow: visible;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.once-bg {
    background-color: rgb(243, 250, 255);
    padding: 50px 0;
    overflow: hidden;
}

.twc-bg {
    padding: 50px 0 80px 0;
}

.f-box .f-title {
    text-align: center;
    position: relative;
    padding-top: 20px;
    margin-bottom: 5rem;
}

.f-box .f-title .f-title-top {
    position: absolute;
    user-select: none;
    font-size: 6rem;
    color: rgba(0, 105, 171, 0.13);
    font-weight: bold;
    top: 0;
    left: 50%;
    -webkit-transform: translate(-50%, 0);
    -moz-transform: translate(-50%, 0);
    -ms-transform: translate(-50%, 0);
    -o-transform: translate(-50%, 0);
    transform: translate(-50%, 0);
    line-height: 1;
    /* letter-spacing: .3rem; */
    white-space: nowrap;
}

.f-box .f-title .f-title-bto {
    font-size: 3.6rem;
    font-weight: bold;
    display: block;
}

.f-box .f-title .f-title-bto:nth-child(3) {
    font-size: 3rem;
    font-weight: normal;
}

.f-box-main {
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    -webkit-box-align: stretch;
    -webkit-align-items: stretch;
    -moz-box-align: stretch;
    -ms-flex-align: stretch;
    margin-bottom: 50px !important;
    transition: all .3s;
}

.f-box .f-box-item {
    box-shadow: 0px 2px 12px 0px rgba(0, 0, 0, 0.12);
    border-radius: 1.5rem;
    padding: 2.5rem;
    background: white;
    display: flex;
    flex-direction: column;
    max-width: 23%;
    /*max-height: 280px;*/
    transition: all .3s;
}

.f-box .f-box-item:hover {
    border-top: 5px solid rgb(0, 119, 200);
    border-bottom: 5px solid rgb(0, 119, 200);
    transform: scale(1.05);
    -webkit-transform: scale(1.05);
    -moz-transform: scale(1.05);
    -o-transform: scale(1.05);
    -ms-transform: scale(1.05);

}

.f-box .f-box-item .f-box-imgt {
    position: relative;
    padding-bottom: 4.5rem;
    margin-bottom: 1.5rem;
}

.f-box .f-box-item .f-box-imgt p {
    font-size: 5rem;
    text-align: center;
    color: rgba(0, 119, 200, .13);
}

.f-box .f-box-item .f-box-imgt img {
    position: absolute;
    font-size: 5rem;
    color: rgba(0, 105, 171, 0.13);
    font-weight: bold;
    top: 4.5rem;
    left: 50%;
    -webkit-transform: translate(-50%, 0);
    -moz-transform: translate(-50%, 0);
    -ms-transform: translate(-50%, 0);
    -o-transform: translate(-50%, 0);
    transform: translate(-50%, 0);
    line-height: 1;


}

.f-box .f-box-item .f-item-ma {
    display: flex;
    flex-direction: column;
    text-align: center;
}

.f-box .f-box-item .f-item-ma .f-ma-title {
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.f-box .f-box-item .f-item-ma .f-ma-ma {
    font-size: 1.6rem;
    text-align: left;
}



/* main-sec */
.main-sec .sec-mian {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    flex-wrap: nowrap;
}

.main-sec .sec-mian .sec-lef {
    display: flex;
    flex-direction: column;
    gap: 0;
    align-items: center;
    justify-content: space-evenly;
}

.main-sec .sec-mian .sec-right {
    height: 400px;
}

.main-sec .sec-mian .sec-right img {
    height: 100%;
}

.main-sec .sec-mian .sec-lef li {
    position: relative;
    padding-left: 50px;
    height: 52px;
    font-size: 1.8rem;
    line-height: 52px;
    width: 795px;
    cursor: pointer;
}

.main-sec .sec-mian .sec-lef li::before {
    content: '';
    position: absolute;
    background: url(../img/b2b/done.png) no-repeat center center;
    left: 0;
    top: 0;
    width: 50px;
    height: 100%;
}

.active-list {
    background: url(../img/b2b/pn5.png) no-repeat center center;
    background-size: 100% 100%;
}

.active-list::before {
    content: '';
    position: absolute;
    background: url(../img/b2b/imp.png) no-repeat center center !important;
    left: 0;
    top: 0;
    width: 50px;
    height: 100%;
}

@media screen and (max-width: 1460px) {

    /* main-once start */
    .f-box .f-title .f-title-top {
        font-size: 5rem;
    }

    .f-box .f-title .f-title-bto {
        font-size: 3rem;
    }

    .f-main {
        width: 1200px !important;
    }

    .f-box .f-box-item {
        padding: 3rem;
    }

    /* main-once end */
    /* main-sec start */
    .main-sec .f-box {
        width: 1200px;
    }

    /* main-sec end */
    /* .main-thr start */
    .main-thr {
        background-position: top right !important;
    }

    .main-thr .swiper-title {
        width: 1000px;
        margin: 0 auto;
    }

    .swipet-cct {
        overflow: hidden;
        width: 1000px;
        margin: 0 auto;
    }

    .main-thr .swipet-cct .swiper-slide .slide-left {
        padding-left: 0 !important;
    }

    .main-thr .swipet-cct .swiper-slide .slide-right {
        width: 600px;
    }

    .main-thr .swipet-cct .swiper-slide .slide-left .slide-tit {
        font-size: 2.5rem !important;
    }

    .main-thr .see-more {
        margin-top: 90px !important;
    }

    /* .main-thr end */
    /* .main-fou start */
    .main-fou .lc-mia .lc-list {
        background-size: 100% 100% !important;
    }

    /* main-fiv start */
    .main-fiv{
        padding-top: 15px !important;
        padding-bottom: 20px !important;
    }
    .main-fiv .swiper-the .swiper-sec {
        width: 100% !important;
        padding: 0 12px !important;
    }
    .main-fiv .f-box .f-title{
        margin-bottom: 20px !important;
    }
    .main-fiv .swiper-the .slide-img {
        height: auto !important;
    }
    .main-fiv .swiper-the .swiper-button-next{
        right: 14px !important;
    }
    .main-fiv .swiper-the .swiper-button-prev{
        left: 14px !important;
    }
    /* main-six start */
    .main-six .f-main .six-active {
        width: 400px !important;
    }

    .main-six .f-main ul li {
        height: 450px !important;
    }
}

@media screen and (max-width: 1260px) {

    /* main-once start */
    .f-main {
        width: 100% !important;
    }
    .f-box-main{
        padding: 0 20px;
    }
    .f-box .f-box-item {
        width: 22.25%;
    }

    .f-box .f-box-item {
        padding: 1rem;
    }

    .f-box .f-box-item .f-item-ma .f-ma-title {
        font-size: 2rem;
    }

    .f-box .f-box-item .f-item-ma .f-ma-ma {
        font-size: 1.4rem;
    }

    /* main-once end */
    /* main-sec start */
    .main-sec .sec-mian {
        padding: 0 20px;
    }

    .main-sec .sec-mian .sec-lef {
        width: 60%;
    }

    .main-sec .sec-mian .sec-lef li {
        width: 100%;
        font-size: 1.6rem;

    }

    /* main-sec end */
    /* .main-thr start */
    .main-thr .swiper-title {
        width: 95% !important;

    }

    .swipet-cct {
        width: 95%;
    }

    /* .main-fou start */
    .fou-ma {
        padding: 0 20px;
    }

    .main-fou .top {
        margin-right: 100px !important;
        padding: 23px 20px 50px 20px !important;
    }

    .main-fou .dow {
        padding: 50px 20px 23px 20px !important;
        margin-left: 100px !important;

    }

    .main-fou .lc-list {}

    .main-fou .lc-list p {
        font-size: 20px !important;
    }

    .main-fou .lc-list span {
        font-size: 16px !important;
    }

    /* .main-six start */
    .main-six .f-main ul {
        padding: 0 20px;
    }

    .main-six .f-main ul li {
        width: 20% !important;
    }

    .main-six .f-main .six-active {
        width: 35% !important;
    }

}

@media screen and (max-width: 992px) {

    /* .main-once */
    .main-once .f-box .f-box-item .f-box-imgt img {
        height: 56px;
        top: 3.5rem;
    }
    /* main-sec start */
    .main-sec .sec-mian .sec-lef li {
        font-size: 1.6rem;
        height: auto;
    }

    .main-sec .sec-mian {
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .main-sec .sec-mian .sec-lef {
        width: 100%;
    }

    .main-sec .sec-mian .sec-right {
        width: 100%;
    }

    .main-sec .sec-mian .sec-right img {
        display: block;
        margin: auto;
    }

    .main-sec .sec-mian .sec-lef li {
        line-height: 20px;
        margin-bottom: 20px;
        padding-top: 5px;
        padding-bottom: 5px;
    }

    /* main-thr start */
    .main-thr .swipet-cct .swiper-slide .slide-left .slide-tit {
        font-size: 2.2rem !important;
    }

    .main-thr .swipet-cct .swiper-slide .slide-right {
        width: 555px;
    }

    .main-thr .swiper-title li {
        width: 200px !important;
    }

    /* .main-fou start */
    .main-fou{
        padding-top: 80px !important;
    }
    .main-fou .top {
        padding: 23px 20px 50px 20px !important;
        margin-right: 50px !important;
    }

    .main-fou .dow {
        margin-left: 50px !important;
        padding: 50px 20px 23px 20px !important;

    }

    /* main-fiv start */
    /* main-six start */
    .main-six .f-main ul li {
        width: 20% !important;
    }

    .main-six .f-main .six-active {
        width: 35% !important;
    }

    .main-six .six-mask {
        padding: 45px 22px !important;
    }

    .main-six .six-mask .mask-main h3 {
        font-size: 26px !important;
    }

}

/* 平板 手机 */
@media screen and (max-width: 768px) {
    .see-more{
        font-size: 1.8rem !important;
        width: 170px !important;
        height: 40px !important;
        line-height: 40px !important;
    }
    .f-box .f-title .f-title-top{
        /* white-space:unset; */
    }
    .f-box .f-title .f-title-top{
        white-space:unset;
    }
    .f-box .f-box-item .f-item-ma .f-ma-title{
        margin-top: 1rem;
    }
    .main-once .f-box .f-title{
        margin-bottom: 2.5rem;
    }
    /* main-once start */
    .f-box-main{
        margin-bottom: 5px !important;
    }
    .once-bg{
        padding-bottom: 25px !important;
        padding-top: 25px !important;
    }
    .f-main {
        flex-wrap: wrap;
        justify-content: space-around;
        padding: 0 20px;
    }
    .f-box-main{
        flex-direction: row !important;
    }
    .f-box .f-box-item {
        width: 47%;
        max-width: 45% !important;
        margin-bottom: 20px;
        padding: 0.6rem 1rem 1.4rem;
    }

    .f-box .f-title .f-title-top {
        font-size: 28px;
    }

    .f-box .f-title .f-title-bto {
        font-size: 22px ;
    }
    .f-box .f-title .f-title-bto:nth-child(3){
        font-size: 18px;
    }
    .f-box .f-box-item .f-box-imgt img {
        height: 50px;
    }

    .f-box .f-box-item .f-box-imgt {
        /* margin-bottom: 35px; */
    }

    .f-box .f-box-item .f-box-imgt {
        padding-bottom: 1.5rem;
    }

    /* main-once end */
    /* .twc-bg  start*/
    .twc-bg{
        padding: 25px 0 20px 0;
    }
    .main-sec .sec-mian .sec-lef li{
        font-size: 1.4rem !important;
    }
    /* main-thr start */
    .main-thr .swiper-title li {
        font-size: 1.8rem !important;
        padding: 5px 10px !important;
    }
    .main-thr .swipet-mian{
        padding-bottom: 20px !important;
    }
    .main-thr .swiper-slide {
        flex-direction: column !important;
    }

    .main-thr .swipet-cct .swiper-slide .slide-left .slide-tit {
        font-size: 2rem !important;
        margin-top: 5px !important;
        margin-bottom: 20px !important;
    }

    .main-thr .swipet-cct .swiper-slide .slide-left .slide-list {
        font-size: 1.4rem !important;
        margin-bottom: 5px !important;
    }

    .main-thr .swipet-cct .swiper-slide .slide-right {
        width: auto !important;
    }
    .main-thr .f-box .f-title{
        margin-top: 20px !important;
        margin-bottom: 35px !important;
    }
    /* .main-fou start */

    .main-fou .top {
        padding: 23px 20px 50px 20px !important;
        margin-right: 50px !important;
    }

    .main-fou .dow {
        margin-left: 50px !important;
        padding: 28px 20px 23px 20px !important;

    }

    .main-fou .fou-ma .ling {
        display: none;
    }

    .main-fou .lc-mia .lc-list {
        background: linear-gradient( #0077C8, #1497F0) !important;
        border-radius: 15px 15px 15px 15px;
    }

    .main-fou .dow .tips-don,
    .main-fou .top .tips-don {
        display: none !important;
    }

    .main-fou .lc-mia {
        flex-direction: column !important;
        height: auto !important;
    }

    .main-fou .lc-mia .lc-list {
        margin: 10px 0 !important;
        width: 100%;
        height: 120px;
    }

    .main-fou .lc-list p {
        color: white !important;
        font-size: 20px !important;
    }

    .main-fou .lc-list span {
        color: white !important;
        font-size: 1.4rem !important;
    }

    .main-fou .resver {
        flex-direction: column-reverse !important;
    }

    .main-fou .lc-mia .thred {
        transform: translateY(140px);
    }

    .main-fou .lc-mia .two {
        transform: translateY(-140px);
    }

    .main-fou {
        margin-bottom: 20px !important;
    }

    /* main-six start */
    .main-six{
        padding-bottom: 15px !important ;
        padding-top: 15px !important;
    }
    .main-six .f-box .f-title{
        margin-bottom: 25px !important;
    }
    .main-six .f-main ul {
        flex-direction: column !important;
        padding: 0  !important;
    }

    .main-six .f-main ul li {
        width: 100% !important;
        margin-bottom: 20px;
        background-size: 100% 100% !important;
        height: 270px !important;
    }

    .main-six .f-main .six-active {
        width: 100% !important;
    }

    .main-six .six-mask {
        padding: 45px 22px !important;
    }

    .main-six .six-mask .mask-main h3 {
        font-size: 2.1rem !important;
    }

    .main-six .six-mask .mask-main .tip-detail p {
        font-size: 1.4rem !important;
        margin-bottom: 10px !important;
    }

    .main-six .norml-show {
        display: none !important;
    }

    .main-six .six-mask {
        top: 0 !important;
        padding: 25px 22px !important;
    }

    .main-six .six-mask .mask-main {
        opacity: 1 !important;
    }

    .main-six .six-mask .mask-main .line {
        margin: 18px 0 !important;
    }

    .main-six .f-main ul li:nth-child(1) {
        background: url(../img/b2b/six1.png)no-repeat;
    }

    .main-six .f-main ul li:nth-child(2) {
        background: url(../img/b2b/six2.png)no-repeat;
    }

    .main-six .f-main ul li:nth-child(3) {
        background: url(../img/b2b/six3.png)no-repeat;
    }

    .main-six .f-main ul li:nth-child(4) {
        background: url(../img/b2b/six1.png)no-repeat;
    }
    /* ---- */
    .watch-more{
        margin-top: 5px !important;
    }
}

@media screen and (max-width: 460px) {

    /* main-once start */
    .f-main {
        flex-direction: column;
    }
    .main-once .f-main{
        justify-content: space-between !important;
    }
    .f-box .f-box-item {
        max-width: 100% !important;
    }

    .f-box .f-title .f-title-bto {
        padding: 0 20px;
    }

    .f-box .f-title .f-title-top {
        padding: 0 20px;
    }

    .main-thr .see-more {
        margin-top: -5px !important;
    }

    .main-thr .swipet-cct .swiper-slide .list-2 .ssd {
        width: 100% !important;
    }

    .main-thr .swipet-cct .swiper-slide .list-2 .ssd .slide-list {
        width: 50% !important;
        /* margin-bottom: 10px !important; */
    }

    /* main-once end */
    /* .main-fou */
    .main-fou {
        padding-top: 0px !important;
    }
    .main-fou .f-box .f-title{
        margin-bottom: 15px !important;
    }
    /* .main-six .f-main ul li{
        background-size: auto 100% !important;
    } */

}

/* main-thr */
.main-thr {
    width: 100%;
    background: url(../img/b2b/thr.png) no-repeat;
}

.main-thr .f-box {
    overflow: hidden;
}

.main-thr .f-box .f-title {
    margin-top: 50px;
}

.main-thr .swiper-title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    margin-bottom: 20px;
}

.main-thr .swiper-title::before {
    content: '';
    position: absolute;
    height: 2px;
    width: 100%;
    background: white;
    bottom: -7px;
}

.main-thr .swiper-title li {
    font-size: 2.4rem;
    color: white;
    font-weight: bold;
    padding: 10px 20px;
    width: 25%;
    text-align: center;
    position: relative;
    cursor: pointer;
}

.swiper-index::before {
    content: '';
    position: absolute;
    width: 100%;
    bottom: -8px;
    left: 0;
    border-bottom: 4px solid white;
}

.main-thr .swiper-slide {
    display: flex;
    justify-content: space-between;
    flex-direction: row;
}

.main-thr .swipet-cct .swiper-slide .slide-left {
    padding-left: 90px;

}

.main-thr .swipet-cct .swiper-slide .list-2 .ssd {
    display: flex;
    flex-wrap: wrap;
    max-height: 200px;
    width: 480px;
}

.main-thr .swipet-cct .swiper-slide .list-2 .ssd .slide-list {
    width: 240px;
}

.main-thr .swipet-cct .swiper-slide .slide-left li {
    padding-left: 30px;

}

.main-thr .swipet-cct .swiper-slide .slide-left .slide-tit {
    font-size: 2.8rem;
    color: white;
    margin-bottom: 40px;
    margin-top: 56px;
    font-weight: bold;
}

.main-thr .swipet-cct .swiper-slide .slide-left .slide-list {
    font-size: 1.8rem;
    color: white;
    margin-bottom: 20px;
    position: relative;
}

.main-thr .swipet-cct .swiper-slide .slide-left .slide-list::before {
    content: '';
    position: absolute;
    height: 100%;
    width: 30px;
    left: 0;
    background: url(../img/b2b/thrdone.png) no-repeat center center;
}

.main-thr .see-more {
    margin-top: 45px;
}


/* main-fou */

.main-fou {
    padding-top: 124px;
    margin-bottom: 112px;
}

.main-fou .lc-list {
    width: 400px;
    height: 167px;
    background-size: 100%;
    margin-right: 267px;
    color: #38393D;
    cursor: pointer;
    position: relative;
}

.main-fou .top:nth-child(1) {
    /* background: url(../img/b2b/chat.png) no-repeat center center; */

}

.main-fou .top {
    padding: 30px 55px 50px 55px;
    background: url(../img/b2b/chat-no.png) no-repeat;
}

.main-fou .top .tips-don,
.main-fou .dow .tips-don {
    position: absolute;

    display: block;
    width: 31px;
    height: 31px;
    background: url(../img/b2b/for-b.png) no-repeat;
    background-size: 100%;
    object-fit: cover;
}

.main-fou .topcla {
    color: #FEFFFF;
    background: url(../img/b2b/chat.png) no-repeat center center;
}

.main-fou .dowcla {
    color: #FEFFFF;
    background: url(../img/b2b/22-d.png) no-repeat !important;
}

.main-fou .topcla .tips-don,
.main-fou .dowcla .tips-don {
    background: url(../img/b2b/for-se.png) no-repeat !important;
}

.main-fou .top .tips-don {
    left: 0;
    bottom: -48px;
    right: 0;
    margin: auto;
}

.main-fou .dow .tips-don {
    left: 0;
    top: -48px;
    right: 0;
    margin: auto;
}

.main-fou .dow {
    padding: 50px 55px 30px 55px;
    background: url(../img/b2b/22.png) no-repeat center center;
}

/* .main-fou .top:hover{
    background: url(../img/b2b/chat.png) no-repeat center center;
} */
.main-fou .lc-list p {
    font-size: 2.4rem;
    margin-bottom: 14px;
    font-weight: bold;
}

.main-fou .lc-list span {
    font-size: 1.8rem;
}

.main-fou .lc-mia {
    height: 167px;
    display: flex;
    justify-content: flex-start;
    align-items: center;

}

.main-fou .resver {
    height: 167px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    flex-direction: row-reverse;
}

.main-fou .resver .lc-list {
    margin-right: 0;
    margin-left: 267px;
}

.main-fou .fou-ma .ling {
    width: 100%;
    height: 1px;
    background: #9B9EB3;
    margin-bottom: 33px;
    margin-top: 33px;

}



/* main-fiv  */
.main-fiv {
    padding-top: 74px;
    padding-bottom: 49px;
}

.fiv-bg {
    background: url(../img/b2b/fiv-bg.png) no-repeat;
    background-size: cover;
}
.twc-bg{
    overflow: hidden;

}
.main-fiv .swiper-the {
    position: relative;
}

.main-fiv .swiper-the .swiper-sec {
    margin: 0 auto;
    width: 1300px;
    overflow: hidden;
}

.main-fiv .swiper-the .slide-img {
    height: 610px;
    padding: 12px 25px;
    cursor: pointer;
}

.main-fiv .swiper-the .slide-img .img-pic {
    overflow: hidden;
    background: #FFFFFF;
    box-shadow: 0px 0px 17px -1px rgba(0, 0, 0, 0.12);
    border-radius: 10px 10px 10px 10px;
}

.main-fiv .swiper-the .slide-img .img-pic .img-box {
    display: block;
    width: 100%;
    height: 0;
    padding-bottom: 205.9%;
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: center top;
    transition: ease-out 3s;
}

.main-fiv .swiper-the .slide-img .img-pic .img-box:hover {
    background-position: center bottom;
}

.main-fiv .swiper-the .swiper-button-next {
    width: 38px;
    height: 38px;
    background: transparent;
    border: 2px solid #D4D4D4;
    border-radius: 50%;
    text-align: center;
    font-size: 21px;
    font-weight: bold;
    line-height: 34px;
    color: #D4D4D4;
    background-image: none;
    right: 0;
    top: 50%;
}

.main-fiv .swiper-the .swiper-button-next:hover {
    background: #0077C9;
    color: #ffffff;
    border: 2px solid #0077C9;
}

.main-fiv .swiper-the .swiper-button-prev {
    width: 38px;
    height: 38px;
    background: transparent;
    border: 2px solid #D4D4D4;
    border-radius: 50%;
    text-align: center;
    font-size: 21px;
    font-weight: bold;
    line-height: 34px;
    color: #D4D4D4;
    background-image: none;
    left: 0;
    top: 50%;
}

.main-fiv .swiper-the .swiper-button-prev:hover {
    background: #0077C9;
    color: #ffffff;
    border: 2px solid #0077C9;
}

.main-fiv .swiper-the .swiper-button-next::after {
    content: '\e62a';
    font-family: 'iconfont';
    font-size: 21px;
}

.main-fiv .swiper-the .swiper-button-prev::after {
    content: '\e635';
    font-family: 'iconfont';
    font-size: 21px;
}


/* main-six */
.main-six {
    padding-top: 89px;
    padding-bottom: 147px;
}


.main-six .six-mask {
    position: absolute;
    background: rgba(0, 119, 200, .85);
    width: 100%;
    height: 100%;
    padding: 56px 82px;
    top: 100%;
    left: 0;
    -webkit-transition: all .3s;
    -ms-transition: all .3s;
    -moz-transition: all .3s ease-in;
}

.main-six .six-mask .mask-main {
    opacity: 0;
}

.main-six .six-mask .mask-main h3 {
    font-size: 30px;
    color: white;
}

.main-six .six-mask .mask-main .line {
    display: block;
    width: 100%;
    height: 2px;
    background: rgba(255, 255, 255, .3);
    margin: 45px 0;
    position: relative;
}

.main-six .six-mask .mask-main .tip-detail {
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
}

.main-six .six-mask .mask-main .tip-detail p {
    padding-left: 30px;
    font-size: 1.8rem;
    height: 30px;
    position: relative;
    line-height: 30px;
    color: white;
    margin-bottom: 30px;

}

.main-six .six-mask .mask-main .tip-detail p::before {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    left: 0;
    top: 0;
    background: url(../img/b2b/thrdone.png) no-repeat center center;
}

.main-six .six-mask .mask-main .line::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 50px;
    height: 2px;
    background: white;
}

.main-six .f-main ul {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
}

.main-six .f-main ul li {
    position: relative;
    width: 250px;
    height: 500px;
    background: rgba(0, 119, 200, .2);
    border-radius: 10px;
    overflow: hidden;
    transition: all .3s;
    -webkit-transition: all .3s;
    -ms-transition: all .3s;
    -moz-transition: all .3s;
}

.main-six .f-main ul li .norml-show {
    transition: all .3s;
    -webkit-transition: all .3s;
    -ms-transition: all .3s;
    -moz-transition: all .3s;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    padding-bottom: 80px;
    height: 100%;
}

.main-six .f-main ul li .norml-show .six-title {
    font-size: 24px;
    color: black;
    font-weight: bold;
    text-align: center;
    margin-top: 30px;
}

.main-six .six-active .norml-show {
    display: none !important;
}

.main-six .six-active {
    width: 564px !important;
    height: 500px !important;
}

.main-six .six-active:nth-child(1) {
    background: url(../img/b2b/six1.png)no-repeat;
}

.main-six .six-active:nth-child(2) {
    background: url(../img/b2b/six2.png)no-repeat;
}

.main-six .six-active:nth-child(3) {
    background: url(../img/b2b/six3.png)no-repeat;
}

.main-six .six-active:nth-child(4) {
    background: url(../img/b2b/six1.png)no-repeat;
}

.main-six .six-active .six-mask {
    top: 0;
}

.main-six .six-active .mask-main {
    opacity: 1;
}

/* ---------------------------------- */
.f-main {
    width: 1400px;
    margin: 0 auto;
    box-shadow: 0px 0px 10px 4px rgba(0, 0, 0, 0.0);
}

.see-more {
    display: block;
    background-color: rgb(255, 143, 28);
    width: 200px;
    height: 50px;
    border-radius: 50px;
    font-size: 2.4rem;
    text-align: center;
    line-height: 50px;
    color: white;
    margin: 0 auto;
}

.watch-more {
    display: block;
    font-size: 18px;
    color: #FF8F1C;
    margin: 35px auto 0;
    text-align: center;
}

.watch-more:hover {
    color: #FF8F1C !important;
}