@charset "UTF-8";
h2 {
    font-family: "SourceHanSansCN-Bold";
}

.banner1 {
    height: 128vw;
    overflow: hidden;
    background-color: #c7dff4;
}

.banner1>div {
    height: 100%;
}

.banner1 .cont .box {
    padding: 10.667vw 0;
    color: #2b323f;
    text-align: center;
}

.banner1 .cont .box h2 {
    font-size: 9.067vw;
    font-weight: bold;
    line-height: 1;
}

.banner1 .cont .box .sub-title {
    padding-top: 6.667vw;
    font-size: 7.467vw;
}

.banner1 .cont .box .txt {
    padding-top: 3.467vw;
    font-size: 5.867vw;
}

.banner1 .pic {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    justify-content: center;
}

.banner2 {
    height: 128vw;
    overflow: hidden;
    background-color: #ffefe9;
}

.banner2>div {
    position: relative;
    height: 100%;
}

.banner2 .cont .box {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10.667vw 0;
    color: #fff;
}

.banner2 .cont .box h2 {
    font-size: 7.467vw;
    font-weight: bold;
    color: #d91615;
    line-height: 1;
}

.banner2 .cont .box .sub-title {
    padding-top: 3.467vw;
    font-size: 5.867vw;
    color: #2b323f;
}

.banner2 .cont .box .txt {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 29.333vw;
    height: 9.067vw;
    margin-top: 4.533vw;
    font-size: 3.2vw;
    color: #fff;
    background-color: #d91615;
    border-radius: 50px;
}

.banner2 .pic {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.banner2 .pic .box {
    position: relative;
    max-width: 680px;
}

.banner2 .pic .box .ban2-2 {
    position: absolute;
    right: 0;
    bottom: 22.509%;
    width: 30.588%;
}

.banner2 .pic .box .ban2-02 {
    position: absolute;
    right: 4%;
    bottom: 73%;
    width: 12.058%;
}

.banner2 .pic .box .ban2-3 {
    position: absolute;
    bottom: 22.509%;
    left: 0;
    width: 31.029%
}

.banner2 .pic .box .ban2-03 {
    position: absolute;
    top: 58%;
    left: 7.5%;
    width: 9.264%
}

.banner2 .pic .box .ban2-4 {
    position: absolute;
    top: 0;
    left: 50%;
    width: 28.705%;
    -webkit-transform: translate(-50%,0);
    -moz-transform: translate(-50%,0);
    -ms-transform: translate(-50%,0);
    -o-transform: translate(-50%,0);
    transform: translate(-50%,0);
}

.banner2 .pic .box .ban2-04 {
    position: absolute;
    top: 41%;
    left: 53%;
    width: 11.176%
}

.banner3 {
    height: 128vw;
    overflow: hidden;
    background: url('../images/banner3_bg@ipad.jpg') center/cover no-repeat;
}

.banner3>div {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.banner3 .cont .box {
    padding: 10.667vw 0;
    color: #fff;
    text-align: center;
}

.banner3 .cont .box h2 {
    font-size: 7.467vw;
    font-weight: bold;
    line-height: 1;
}

.banner3 .cont .box .sub-title {
    padding-top: 3.467vw;
    font-size: 5.867vw;
}

.banner3 .pic .box {
    position: relative;
    max-width: 590px;
}

.banner3 .pic .box .ban3-2 {
    position: absolute;
    top: 0;
    left: 0;
}

.banner3 .pic .box .ban3-01 {
    position: absolute;
    left: 2%;
    bottom: 23%;
    width: 15.932%;
}

.banner3 .pic .box .ban3-02 {
    position: absolute;
    right: 25%;
    bottom: 39%;
    width: 13.22%;
}

.banner3 .pic .box .ban3-03 {
    position: absolute;
    top: 34%;
    left: 13%;
    width: 11.864%;
}

.banner3 .pic .box .ban3-04 {
    position: absolute;
    top: 29%;
    right: 12%;
    width: 14.237%;
}

.banner3 .pic .box .ban3-05 {
    position: absolute;
    top: 27%;
    right: 3%;
    width: 4.745%;
}

.video {
    padding: 10.667vw 0;
    text-align: center;
}

.video video {
    width: 100%;
    max-width: 1280px;
}

.video .title-box {
    width: 85vw;
    margin: 0 auto;
}

.video .title-box h2 {
    font-size: 6.933vw;
    font-weight: bold;
    line-height: 1.2;
}

.video .title-box .txt {
    margin-top: 4.267vw;
    font-size: 4.267vw;
    color: #737780;
}

.index-main1 {
    background-color: #f2f2f2;
}

.index-main1 .cont .box {
    padding-left: 4vw;
}

.index-main1 .cont .box h2 {
    margin-bottom: 5.333vw;
    font-size: 5.867vw;
    font-weight: bold;
    line-height: 1;
}

.index-main1 .cont .box .points {
    margin-top: 4vw;
    font-size: 4.8vw;
    font-weight: bold;
}

.index-main1 .cont .box .desc {
    display: block;
    margin-top: 2.4vw;
    font-size: 3.733vw;
}

.index-main1 .pic .box {
    position: relative;
    width: 92vw;
    max-width: 690px;
    margin-top: 10.667vw;
    margin-right: auto;
    margin-left: auto;
}

.index-main1 .pic .box .main1-2 {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26.087%;
}

.index-main1 .pic .box .main1-3 {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 56.522%;
}

.index-main2 .cont .box {
    padding-left: 4vw;
}

.index-main2 .cont .box h2 {
    margin-bottom: 5.333vw;
    font-size: 5.867vw;
    font-weight: bold;
    line-height: 1;
}

.index-main2 .cont .box .points {
    margin-top: 4vw;
    font-size: 4.8vw;
    font-weight: bold;
}

.index-main2 .cont .box .desc {
    display: block;
    margin-top: 2.4vw;
    font-size: 3.733vw;
}

.index-main2 .pic .box {
    position: relative;
    width: 71.6vw;
    max-width: 537px;
    margin-top: 10.667vw;
    margin-right: auto;
    margin-left: auto;
}

.index-main2 .pic .box .main2-2 {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 56.797%;
}

.index-main2 .pic .box .main2-3 {
    position: absolute;
    right: 0;
    bottom: 30.034%;
    width: 29.236%;
}

.index-main3 {
    position: relative;
    height: 102.667vw;
    max-height: 770px;
    overflow: hidden;
    background: url('../images/index_main3_bg@mb.jpg') center/cover no-repeat;
}

.index-main3 .title-box {
    position: absolute;
    top: 12.987%;
    width: 100%;
    color: #fff;
    text-align: center;
}

.index-main3 .title-box h2 {
    font-size: 6.933vw;
    font-weight: bold;
    line-height: 1;
}

.index-main3 .title-box span {
    display: block;
    margin-top: 4.267vw;
    font-size: 4.267vw;
}

.index-main3 .container-custom {
    height: 100%;
}

.index-main3 .img-box {
    position: relative;
    top: 40.26%;
    max-width: 1090px;
    margin: 0 auto;
}

.index-main3 .img-box .main3-1 {
    position: relative;
    z-index: 10;
}

.index-main3 .img-box .main3-2 {
    position: absolute;
    top: 0;
    left: 51%;
    width: 17.335%;
    max-width: 190px;
    z-index: 11;
}

.index-main3 .img-box .main3-3 {
    position: absolute;
    top: 0;
    left: 8.4%;
    width: 83.212%;
    max-width: 912px;
    z-index: 1;
}

.index-main3 .img-box .main3-4 {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 17.245%;
    max-width: 189px;
}

.index-main3 .img-box .main3-4>div {
    position: absolute;
    top: 39%;
    left: 8%;
    width: 12px;
    height: 96px;
    font-size: 10px;
    color: #ddd;
    writing-mode: vertical-lr;
}

.index-main3 .img-box .main3-5 {
    position: absolute;
    left: 24%;
    bottom: 0;
    width: 8.759%;
    max-width: 96px;
}

.index-main3 .img-box .main3-5>div {
    position: absolute;
    top: 86%;
    left: 30%;
    width: 12px;
    height: 96px;
    font-size: 10px;
    color: #ddd;
    writing-mode: vertical-lr;
}

.index-main3 .img-box .main3-6 {
    position: absolute;
    right: 4%;
    bottom: 4%;
    width: 18.978%;
    max-width: 208px;
}

.index-main3 .img-box .main3-7 {
    position: absolute;
    right: 0;
    bottom: 20%;
    width: 18.339%;
    max-width: 201px;
}

.index-main3 .img-box .main3-7>div {
    position: absolute;
    top: 105%;
    left: 14%;
    width: 12px;
    height: 96px;
    font-size: 10px;
    color: #ddd;
    writing-mode: vertical-lr;
}

.register {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 37.333vw;
    background: url('../images/index_main4_bg.jpg') center/cover no-repeat;
}

.register a {
    display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 29.333vw;
    height: 9.067vw;
    font-size: 3.2vw;
    color: #fff;
    border: 2px solid #fff;
    border-radius: 34px;
}

.register div {
    margin-top: 3.2vw;
    font-size: 5.867vw;
    color: #fff;
}

@media (min-width: 768px) {
    .banner1 {
        height: 980px;
    }

    .banner1 .cont .box {
        padding: 80px 0;
    }

    .banner1 .cont .box h2 {
        font-size: 56px;
    }

    .banner1 .cont .box .sub-title {
        padding-top: 36px;
        font-size: 44px;
    }

    .banner1 .cont .box .txt {
        padding-top: 26px;
        font-size: 32px;
    }

    .banner1 .pic .box {
        width: 648px;
    }

    .banner2 {
        height: 980px;
    }

    .banner2 .cont .box {
        padding: 80px 0;
    }

    .banner2 .cont .box h2 {
        font-size: 44px;
    }

    .banner2 .cont .box .sub-title {
        padding-top: 26px;
        font-size: 32px;
    }

    .banner2 .cont .box .txt {
        width: 140px;
        height: 50px;
        margin-top: 32px;
        font-size: 16px;
    }

    .banner3 {
        height: 980px;
    }

    .banner3 .cont .box {
        padding: 100px 0;
    }

    .banner3 .cont .box h2 {
        font-size: 44px;
    }

    .banner3 .cont .box .sub-title {
        padding-top: 26px;
        font-size: 32px;
    }

    .banner3 .pic {
        margin-bottom: 20px;
    }

    .video {
        padding: 80px 0;
    }

    .video .title-box {
        width: auto;
    }

    .video .title-box h2 {
        font-size: 40px;
    }

    .video .title-box .txt {
        margin-top: 24px;
        font-size: 32px;
    }

    .index-main1 .cont .box h2 {
        margin-bottom: 40px;
        font-size: 32px;
    }

    .index-main1 .cont .box .points {
        margin-top: 30px;
        font-size: 24px;
    }

    .index-main1 .cont .box .desc {
        margin-top: 12px;
        font-size: 16px;
    }

    .index-main1 .pic .box {
        margin-top: 80px;
    }

    .index-main2 .cont .box h2 {
        margin-bottom: 40px;
        font-size: 32px;
    }

    .index-main2 .cont .box .points {
        margin-top: 30px;
        font-size: 24px;
    }

    .index-main2 .cont .box .desc {
        margin-top: 12px;
        font-size: 16px;
    }

    .index-main2 .pic .box {
        margin-top: 80px;
    }

    .index-main3 {
        height: 650px;
        max-height: 770px;
        background: url('../images/index_main3_bg@ipad.jpg') center/cover no-repeat;
    }

    .index-main3 .title-box {
        top: 80px;
    }

    .index-main3 .title-box h2 {
        font-size: 40px;
    }

    .index-main3 .title-box span {
        margin-top: 24px;
        font-size: 20px;
    }

    .index-main3 .img-box {
        top: 280px;
        width: 708px;
    }

    .index-main3 .img-box .main3-4>div {
        left: 14%;
    }

    .index-main3 .img-box .main3-5>div {
        display: none;
        left: 40%;
    }

    .index-main3 .img-box .main3-7>div {
        left: 19%;
    }

    .register {
        height: 160px;
    }

    .register a {
        width: 136px;
        height: 48px;
        font-size: 16px;
    }

    .register div {
        margin-top: 18px;
        font-size: 32px;
    }
}

@media (min-width: 1024px) {
    .banner1 {
        height: 450px;
    }

    .banner1 .block {
        display: -webkit-flex;
        display: -moz-flex;
        display: -ms-flex;
        display: -o-flex;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .banner1 .cont {
        display: -webkit-flex;
        display: -moz-flex;
        display: -ms-flex;
        display: -o-flex;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .banner1 .cont .box {
        text-align: left;
    }

    .banner1 .pic {
        flex: 0 0 43%;
    }

    .banner1 .pic .box {
        width: 440px;
    }

    .banner2 {
        height: 450px;
    }

    .banner2 .cont {
        display: -webkit-flex;
        display: -moz-flex;
        display: -ms-flex;
        display: -o-flex;
        display: flex;
        flex-direction: row;
        align-items: center;
        width: 100%;
        height: 100%;
    }

    .banner2 .cont .box {
        align-items: flex-start;
    }

    .banner2 .pic {
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        justify-content: center;
        align-items: flex-end;
    }

    .banner2 .pic .box {
        width: 430px;
    }

    .banner3 {
        height: 450px;
    }

    .banner3>div {
        flex-direction: row;
    }

    .banner3 .cont .box {
        text-align: left;
    }

    .banner3 .pic {
        align-self: flex-end;
        margin-bottom: 0;
    }

    .banner3 .pic .box {
        width: 420px;
    }

    .index-main1>div {
        display: -webkit-flex;
        display: -moz-flex;
        display: -ms-flex;
        display: -o-flex;
        display: flex;
        flex-direction: row-reverse;
        justify-content: space-between;
        align-items: center;
    }

    .index-main1 .pic .box {
        width: 550px;
        margin-top: 0
    }

    .index-main2>div {
        display: -webkit-flex;
        display: -moz-flex;
        display: -ms-flex;
        display: -o-flex;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .index-main2 .pic .box {
        width: 420px;
        margin-top: 0;
        margin-right: 20px;
    }

    .index-main3 {
        background: url('../images/index_main3_bg.jpg') center/cover no-repeat;
    }

    .index-main3 .img-box {
        top: 195px;
        width: 840px;
    }

    .index-main3 .img-box .main3-4 {
        left: -3%;
        bottom: 3%;
    }
}

@media (min-width: 1366px) {
    .banner1 {
        height: 510px;
    }

    .banner1 .cont .box h2 {
        font-size: 60px;
    }

    .banner1 .cont .box .sub-title {
        font-size: 48px;
    }

    .banner1 .cont .box .txt {
        font-size: 36px;
    }

    .banner1 .pic {
        flex: 0 0 530px;
    }

    .banner2 {
        height: 510px;
    }

    .banner2 .cont .box h2 {
        font-size: 48px;
    }

    .banner2 .cont .box .sub-title {
        font-size: 36px;
    }

    .banner3 {
        height: 510px;
    }

    .banner3 .cont .box h2 {
        font-size: 48px;
    }

    .banner3 .cont .box .sub-title {
        font-size: 36px;
    }

    .banner3 .pic .box {
        width: 480px;
    }

    .video .title-box h2 {
        font-size: 44px;
    }

    .video .title-box .txt {
        font-size: 36px;
    }

    .index-main1 .cont .box {
        padding-right: 110px;
    }

    .index-main1 .pic .box {
        width: 610px;
    }

    .index-main2 .cont .box {
        padding-left: 110px;
    }

    .index-main3 .title-box h2 {
        font-size: 44px;
    }

    .index-main3 {
        height: 850px;
        max-height: 850px;
    }

    .index-main3 .img-box {
        top: 245px;
        width: 1096px;
    }

    .index-main3 .img-box .main3-4>div {
        left: -1%;
        width: 96px;
        writing-mode: horizontal-tb;
    }

    .index-main3 .img-box .main3-5>div {
        display: block;
        left: 20%;
        width: 96px;
        writing-mode: horizontal-tb;
    }

    .index-main3 .img-box .main3-7>div {
        left: 9%;
        width: 96px;
        writing-mode: horizontal-tb;
    }

    .register {
        flex-direction: row;
    }

    .register div {
        margin-top: 0;
        margin-left: 24px;
        font-size: 36px;
    }
}

@media (min-width: 1680px) {
    .banner1 {
        height: 640px;
    }

    .banner1 .pic {
        flex: 0 0 640px;
    }

    .banner2 {
        height: 640px;
    }

    .banner2 .cont .box h2 {
        font-size: 60px;
    }

    .banner2 .cont .box .sub-title {
        font-size: 48px;
    }

    .banner2 .pic .box {
        width: 680px;
    }

    .banner3 {
        height: 640px;
    }

    .banner3 .cont .box h2 {
        font-size: 60px;
    }

    .banner3 .cont .box .sub-title {
        font-size: 48px;
    }

    .banner3 .pic .box {
        width: 590px;
    }

    .index-main1 .cont .box {
        padding-right: 160px;
    }

    .index-main1 .pic .box {
        width: 690px;
    }

    .index-main2 .pic .box {
        width: 537px;
        margin-right: 40px;
    }
}