.header { max-width: 1920px }
img { max-width: 100%; }
.video { text-align: center; border-style: none; position: relative; width: 100%; max-height: 1080px; height: 100vh; min-height: 600px; background-color: #fff; margin: 0px auto; }
    .video > img { max-width: 1920px; width: 100%; height: 100%; object-fit: cover; margin: 0px auto; }
    .video > .text { z-index: 1; position: absolute; top: 0px; left: 0px; right: 0px; bottom: 0px; display: flex; align-items: center; justify-content: center; flex-direction: column; }
        .video > .text > .box { text-align: left; max-width: 1800px; padding: 0px 10%; width: 100%; flex: 1; display: flex; align-items: center; }
            .video > .text > .box > .bl { flex: 1; max-width: 268px; margin-top: 20%; }
                .video > .text > .box > .bl > p { font-size: 3rem; color: #fff; line-height: 1; font-family: BebasKai; }
                    .video > .text > .box > .bl > p > i { font-style: normal; background-color: #e50112; padding: 0px 10px; }
                .video > .text > .box > .bl > ul.links { text-align: left; display: flex; flex-wrap: wrap; margin-top: 2rem; align-items: stretch; }
                    .video > .text > .box > .bl > ul.links > li { width: 100%; margin-bottom: 1rem; text-align: left; }
                        .video > .text > .box > .bl > ul.links > li:last-child { margin-bottom: 0rem; }
                        .video > .text > .box > .bl > ul.links > li > a { width: 100%; font-family: "IBMPlexSans-Regular"; position: relative; display: inline-block; border-radius: 20px; height: 40px; line-height: 40px; padding: 0px 4rem; color: #000; background-color: #fff; font-size: 1.3rem; }
                            .video > .text > .box > .bl > ul.links > li > a > img { position: absolute; right: 20px; top: 8px; }


        .video > .text > .down { margin-bottom: 120px; height: 3.75rem; width: 3.75rem; border: 0.625rem solid rgba(255,255,255,0.6); border-radius: 60px; }
            .video > .text > .down > .mouse { position: relative; height: 2.5rem; width: 2.5rem; background-color: #fff; border-radius: 40px; }
                .video > .text > .down > .mouse::before { content: ''; width: 0.625rem; height: 0.625rem; position: absolute; top: 0.625rem; left: 50%; transform: translateX(-50%); background-color: #333; border-radius: 50%; opacity: 1; animation: wheel 1s infinite; -webkit-animation: wheel 1s infinite; }



@media only screen and (max-width:1280px) {
    .video > .text > .box > .bl > p { font-size: 2.5rem; }
}

@media only screen and (max-width:1024px) {
    .video > .text > .box > .bl > ul.links > li > a { font-size: 1.15rem; padding: 0px 2rem; max-width: 320px; }
}

@media only screen and (max-width:960px) {
    .video > .text > .box > .bl > p { font-size: 2.15rem; }
}

@media only screen and (max-width:768px) {
    .video > .text > .box > .bl > p { font-size: 1.8rem; }
    .video > .text > .box > .br { width: 1%; }
    .video > .text > .down { margin-bottom: 50px; height: 3rem; width: 3rem; border: 0.5rem solid rgba(255,255,255,0.6); border-radius: 50px; }
        .video > .text > .down > .mouse { height: 2rem; width: 2rem; }
}



@media only screen and (max-width:480px) {
    .video > .text > .box > .bl > p { font-size: 1.35rem; }
}




@keyframes wheel {
    to { opacity: 0; top: 1.5rem }
}

@-webkit-keyframes wheel {
    to { opacity: 0; top: 1.5rem }
}




.yhtop { position: absolute; bottom: 0px; max-width: 1920px; left: 0px; right: 0px; margin: 0px auto; }
    .yhtop > img { width: 100%; object-fit: cover; }




.txttitle { position: relative; text-transform: uppercase; font-size: 3rem; color: #000; font-family: "BebasKai"; text-align: center; line-height: 1; }
    .txttitle > i { font-style: normal; position: relative; }
        .txttitle > i::after { z-index: -99; content: ''; position: absolute; left: 0; bottom: 0rem; width: 100%; height: 0.625rem; background: #1c9dd6; }
    .txttitle.bai { color: #fff; }
    .txttitle.huangdi > i::after { background: #ff8b22; }
    .txttitle.hongdi > i::after { background: #e14657 }
.txtsubtitle { margin: 2rem auto; text-align: center; font-size: 1.25rem; max-width: 1100px; color: #000; font-family: 'IBMPlexSans-Regular'; }
    .txtsubtitle.bai { color: #fff; }
    .txtsubtitle.hong { color: #e14657; }





@media only screen and (max-width:1280px) {
    .txttitle { font-size: 2.5rem; }
}

@media only screen and (max-width:1024px) {
    .txttitle { font-size: 2.15rem; }
}

@media only screen and (max-width:960px) {
    .txttitle { font-size: 2rem; }
}

@media only screen and (max-width:768px) {
    .txttitle { font-size: 20px; }
        .txttitle > i::after { bottom: 5px; height: 5px; }
    .txtsubtitle { font-size: 16px; }
}






.infobg { width: 100%; }
.infobig { width: 100%; max-width: 1400px; padding: 2rem 3% 10rem 3%; margin: 0px auto; text-align: center; }
    .infobig > .title { text-transform: uppercase; font-size: 1.5rem; color: #000; font-family: "BebasKai"; text-align: center; line-height: 1; }
    .infobig > .content { width: 100%; max-width: 1400px; margin: 2rem auto; text-align: left; font-size: 1rem; color: #000; font-family: 'IBMPlexSans-Regular'; }

    .infobig > .videotext { margin: 3rem auto 0px auto; border-style: none; position: relative; width: 100%; min-height: 400px; background-color: #fff; }
        .infobig > .videotext > video { position: relative; width: 100%; height: 100%; border: none; object-fit: cover; border-style: none; background-color: #fff; }
            .infobig > .videotext > video:focus { outline: none }


@media only screen and (max-width:1280px) {
    .infobig > .title { font-size: 1.325rem; }
    .infobig > .subtitle { font-size: 1.325rem; }
}

@media only screen and (max-width:1024px) {
    .infobig { padding-top: 7rem; padding-bottom: 7rem; }
}

@media only screen and (max-width:768px) {
    .infobig > .subtitle { font-size: 14px; }
    .infobig { padding-top: 5rem; padding-bottom: 5rem; }
}



.divcustoma { width: 100%; margin: 8rem auto 0px auto; text-align: left; }
    .divcustoma > .title { text-align: left; text-transform: uppercase; font-size: 1.5rem; color: #000; font-family: "BebasKai"; line-height: 1; }
    .divcustoma > .conn { width: 100%; display: flex; flex-wrap: wrap; }
        .divcustoma > .conn > .left { width: 47%; margin-right: 3%; }
            .divcustoma > .conn > .left > .tags { width: 100%; margin: 1.5rem auto; font-family: 'IBMPlexSans-Regular'; }
                .divcustoma > .conn > .left > .tags > span { font-size: 1rem; margin-right: 1rem; color: #000; }
                    .divcustoma > .conn > .left > .tags > span.ac { background-color: #bcd6f1; display: inline-block; padding: 3px 1rem; }
            .divcustoma > .conn > .left > p { margin-bottom: 2rem; color: #000; line-height: 1.5; font-size: 1rem; font-family: 'IBMPlexSans-Regular'; }

            .divcustoma > .conn > .left > .video { width: 100%; }
                .divcustoma > .conn > .left > .video > video { width: 100%; }

        .divcustoma > .conn > .right { width: 50%; }
            .divcustoma > .conn > .right > .img { margin: 1rem auto; }
            .divcustoma > .conn > .right > .imgs { margin: 1rem auto; }
                .divcustoma > .conn > .right > .imgs > dl { display: flex; width: 100%; background-image: linear-gradient(to bottom, #fff, #d4e2ed); }
                    .divcustoma > .conn > .right > .imgs > dl > dd { width: 25%; padding: 2rem 1rem; }

@media only screen and (max-width:768px) {
    .divcustoma { margin: 4rem auto 0px auto; }
        .divcustoma > .title { font-size: 1.25rem; }
        .divcustoma > .conn > .left { width: 100%; margin-right: 0%; margin-bottom: 2rem; }
            .divcustoma > .conn > .left > p { font-size: 16px; }
        .divcustoma > .conn > .right { width: 100%; }
}




.divcustomb { width: 100%; margin: 8rem auto 0px auto; text-align: left; }
    .divcustomb > .title { text-align: left; text-transform: uppercase; font-size: 1.5rem; color: #000; font-family: "BebasKai"; line-height: 1; }
    .divcustomb > .conn { width: 100%; display: flex; flex-wrap: wrap; }
        .divcustomb > .conn > .left { width: 47%; margin-right: 3%; }
            .divcustomb > .conn > .left > .tags { width: 100%; margin: 1.5rem auto; font-family: 'IBMPlexSans-Regular'; }
                .divcustomb > .conn > .left > .tags > span { font-size: 1rem; margin-right: 1rem; color: #000; }
                    .divcustomb > .conn > .left > .tags > span.ac { background-color: #bcd6f1; display: inline-block; padding: 3px 1rem; }
            .divcustomb > .conn > .left > p { margin-bottom: 2rem; color: #000; line-height: 1.5; font-size: 1rem; font-family: 'IBMPlexSans-Regular'; }

            .divcustomb > .conn > .left > ul { width: 100%; margin-bottom: 2rem; list-style-type: disc; list-style-position: inside }
                .divcustomb > .conn > .left > ul > li { width: 100%; margin-bottom: 0.5rem; color: #000; line-height: 1.15; font-size: 1rem; font-family: 'IBMPlexSans-Regular'; }
            .divcustomb > .conn > .left > p > span.red { color: #e50012; font-weight: bold; }

        .divcustomb > .conn > .right { width: 50%; }
            .divcustomb > .conn > .right > .img { margin: 1rem auto; }
            .divcustomb > .conn > .right > .imgs { margin: 1rem auto; }
                .divcustomb > .conn > .right > .imgs > dl { display: flex; width: 100%; background-image: linear-gradient(to bottom, #fff, #d4e2ed); }
                    .divcustomb > .conn > .right > .imgs > dl > dd { width: 25%; padding: 2rem 1rem; }

@media only screen and (max-width:768px) {
    .divcustomb { margin: 4rem auto 0px auto; }
        .divcustomb > .title { font-size: 1.5rem; }
        .divcustomb > .conn > .left { width: 100%; margin-right: 0%; margin-bottom: 2rem; }
            .divcustomb > .conn > .left > p { font-size: 16px; }
            .divcustomb > .conn > .left > ul > li { font-size: 16px; }
        .divcustomb > .conn > .right { width: 100%; }
}