.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: 430px; }
                .video > .text > .box > .bl > p { font-size: 3rem; color: #fff; line-height: 1.15; 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; }
}



.contentbg { width: 100%; background-image: linear-gradient(to bottom, #f7efeb, #fff); z-index: -100; position: relative; }
.contentbig { width: 100%; max-width: 1400px; padding: 10rem 3%; margin: 0px auto; }
    .contentbig > .boxtext { text-align: left; margin: 1rem auto; }
        .contentbig > .boxtext > h3 { font-weight: 400; background-color: #fff; border-radius: 5rem; font-size: 1rem; display: inline-block; padding: 1rem 3rem; color: #8a8a8a; font-family: 'IBMPlexSans-Regular'; }


.bbox { border-radius: 2.25rem; width: 100%; margin: 0px auto; background-color: #fff; padding: 2rem 2rem; }
    .bbox > dl.boxtitle > dd { display: flex; width: 100%; margin-bottom: 2rem; border-radius: 2rem; }
        .bbox > dl.boxtitle > dd > div.l { width: 30%; margin-right: 1rem; }
            .bbox > dl.boxtitle > dd > div.l > b { font-weight: bold; color: #000; font-size: 1.5rem; line-height: 1.15; font-family: 'IBMPlexSans-Regular'; }
            .bbox > dl.boxtitle > dd > div.l > p { color: #8a8a8a; font-size: 1rem; font-family: 'IBMPlexSans-Regular'; }
        .bbox > dl.boxtitle > dd > div.c { flex: 1 }
            .bbox > dl.boxtitle > dd > div.c > p { color: #000; font-size: 1rem; font-family: 'IBMPlexSans-Regular'; }
                .bbox > dl.boxtitle > dd > div.c > p > i { font-style: normal; color: #e14657; display: inline-block; width: 118px; }
        .bbox > dl.boxtitle > dd > div.r { width: 23%; }
            .bbox > dl.boxtitle > dd > div.r > a { margin-bottom: 1rem; position: relative; width: 100%; display: inline-block; padding: 10px 2rem 10px 1rem; font-size: 1rem; border-radius: 0.5rem; background-color: #e14657; color: #fff; }
                .bbox > dl.boxtitle > dd > div.r > a > img { position: absolute; right: 10px; }
                .bbox > dl.boxtitle > dd > div.r > a.info { background-color: #8c8c8c; color: #fff; }


    .bbox > div.boxmore { width: 100%; margin: 0px auto; }
        .bbox > div.boxmore > b { display: block; margin: 2rem auto 1rem auto; font-weight: 400; line-height: 1; font-size: 1rem; color: #e14657; }
        .bbox > div.boxmore > div > ul { list-style-type: disc; list-style-position:inside }
            .bbox > div.boxmore > div > ul > li { width: 100%; margin-bottom: 1rem; line-height: 1.5; color: #000; font-size: 1rem; font-family: 'IBMPlexSans-Regular'; }



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

@media only screen and (max-width:768px) {
    .contentbig { padding-top: 5rem; padding-bottom: 5rem; }
    .bbox { padding-top: 2rem; padding-bottom: 3rem; border-radius: 1rem; }
    .contentbig > .boxtext > h3 { font-size: 16px; padding: 0.5rem 1rem; }
    .bbox > dl.boxtitle > dd { border-radius: 1rem; padding: 1rem; }
        .bbox > dl.boxtitle > dd > div.l > b { font-size: 14px; }
        .bbox > dl.boxtitle > dd > div.l > p { font-size: 12px; }
        .bbox > dl.boxtitle > dd > div.c > p { font-size: 14px; }
            .bbox > dl.boxtitle > dd > div.c > p > i { width: auto; }
        .bbox > dl.boxtitle > dd > div.r > a { padding: 5px 1rem; font-size: 14px; border-radius: 5px; }
            .bbox > dl.boxtitle > dd > div.r > a > img { display: none; }

    .bbox > dl.boxtitle > dd { flex-wrap: wrap; }
        .bbox > dl.boxtitle > dd > div.c { flex: none; width: 70%;margin-bottom:1rem; }
        .bbox > dl.boxtitle > dd > div.r { width: 100%; }

    .bbox > .dl.boxmore > dd > b { font-size: 16px; }
    .bbox > div.boxmore > div > p { font-size: 14px; }
}