.head {
    background-color: #000000;
    padding-left: calc(100vw*250/1423);
    padding-right: calc(100vw*200/1423);
    padding-top: calc(100vw*10/1423);
    padding-bottom: calc(100vw*10/1423);
    color: #FFFFFF;
}

.head .right {
    width: calc(100vw* 420 /1423);;
}
.head .grey {
    color: rgba(255,255,255,0.55);
}
.banner {
    width: 100%;
}
.banner img {
    width: 100%;
}

.content1 {
    padding-left: calc(100vw*250/1423);
    padding-right: calc(100vw*200/1423);
    padding-top: calc(100vw*50/1423);
    padding-bottom: calc(100vw*50/1423);
}

.content1 .left {
    width: 52%;
}
.content1 .left img {
    width: 5%;
}

.content1 .left .title {
    font-weight: 700;
}

.content1 .left .text {
    margin-top: 3%;
    font-weight: 400;
    color: rgba(0,0,0,0.6);
}
.content1 .left .pt_home_about_ic {
    margin-top: 3%;
}
.content1 .right {
    width: 40%;
}
.content1 .right img {
    width: 100%;
}

.content2 img {
    width: 100%;
}



.content3 {
    padding-left: calc(100vw*250/1423);
    padding-right: calc(100vw*200/1423);
    padding-top: calc(100vw*50/1423);
    padding-bottom: calc(100vw*50/1423);
    background-color: #FFFFFF;
}

.content3 .left {
    width: 40%;
}
.content3 .left img {
    width: 100%;
}

.content3 .right .title {
    font-weight: 700;
}

.content3 .right .text {
    margin-top: 3%;
    font-weight: 400;
    color: rgba(0,0,0,0.6);
}
.content3 .right {
    width: 52%;
}
.content3 .right img {
    width: 100%;
}

.content4 {
    padding-left: calc(100vw*250/1423);
    padding-right: calc(100vw*200/1423);
    padding-top: calc(100vw*50/1423);
    padding-bottom: calc(100vw*100/1423);
}

.content4 .title {
    font-weight: 700;
    text-align: center;
}

.content4 .content-content {
    height: calc(100vw* 140 /1423);
    margin-top: 6%;
}
.content4 .content-content .box {
    box-shadow: 0px 0px 16px 0px rgba(0,0,0,0.08);
    border-radius: 16px 16px 16px 16px;
    padding-left: calc(100vw* 10 /1423);
    padding-right: calc(100vw* 10 /1423);
    padding-top: calc(100vw* 20 /1423);
    width: 20%;
    height: 100%;
}

.content4 .content-content .box img {
    width: 60%;
    text-align: center;
}

.content4 .content-content .box .text {
    text-align: center;
    font-weight: 700;
    color: rgba(0,0,0,0.9);
}

.content4 .content-content .arrow {
    line-height: calc(100vw* 160 /1423);
    height: 100%;
    padding-left: calc(100vw* 5 /1423);
    padding-right: calc(100vw* 5 /1423);
}
.content4 .content-content .arrow img {
    width: 100%;
}

.font {
    background-image: url('../image/pt_img_footer.png');
    position: relative;
    background-size:100% auto;
    background-repeat:no-repeat;
    cursor: pointer;
    width: 100%;
}

.font .font-content {
    color: rgba(255,255,255,0.9);
    padding-left: calc(100vw*250/1423);
    padding-right: calc(100vw*450/1423);
    padding-top: calc(100vw*25/1423);
    padding-bottom: calc(100vw*25/1423);
}

.font .font-content .two {
    padding-top: calc(100vw*15/1423);
}


@media screen and (min-width: 650px) and (max-width: 1050px) {
    .head {
        padding-left: calc(100vw* 80 / 820);
        padding-right: calc(100vw* 60 / 820);
    }
    .head .right {
        width: calc(100vw* 350 / 820);;
    }

    .font {
        background-size: cover;
    }
}

@media screen and (max-width: 650px) {
    .head {
        padding-left: calc(100vw* 10 / 390);
        padding-right: calc(100vw* 10 / 390);
    }
    .head .right {
        width: calc(100vw* 200 / 390);
    }
    .content4 {
        padding-left: 3%;
        padding-right: 3%;
    }
    .content4 .content-content .box {
        width: 10%;
    }
    .content4 .content-content .arrow {
        width: 10%;
    }
    .font {
        background-size: cover;
    }
}