body {
    background-color: rgb(250, 250, 250);
}

.pc-show {
    display: block !important;
}

/* 隐藏视频控件 */
video::-webkit-media-controls {
    display: none !important;
}

.mobile-show {
    display: none !important;
}

.kvBox {
    position: relative;
}

.Kv {
    width: 100%;
}

.KvImg {
    width: calc((630/19.2)*1vw);
    position: absolute;
    top: calc((144/19.2)*1vw);
    left: 50%;
    transform: translateX(-50%);
}

.techTitleBox {
    position: absolute;
    bottom: calc((70/19.2)*1vw);
    left: calc((120/19.2)*1vw);
    font-size: calc((40/19.2)*1vw);
    color: #fff;
}

.techTitle {
    font-size: calc((60/19.2)*1vw);
    position: relative;
    display: inline-block;
    padding-bottom: 20px;
    margin-bottom: 10px;
}

.techTitle::before {
    position: absolute;
    content: '';
    width: 100%;
    height: 4px;
    left: 50%;
    bottom: 0;
    -webkit-transform: translateX(-50%);
    transform: translateX(-50%);
    background-color: rgb(204, 0, 0);
}

.technicalSelector {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: calc((40/19.2)*1vw);
    margin-top: calc((110/19.2)*1vw);
    margin-bottom: calc((70/19.2)*1vw);
}

.technicalSelector>img {
    width: calc((47/19.2)*1vw);
    margin-left: calc((40/19.2)*1vw);
}

.technicalContainer {
    width: calc((1680/19.2)*1vw);
    margin: 0 auto;
    position: relative;
}

.question {
    width: 100%;
    text-align: center;
    color: #fff;
    background-color: rgb(0, 0, 0);
    padding: calc((28/19.2)*1vw) 0;
    font-size: calc((36/19.2)*1vw);
    margin-bottom: calc((80/19.2)*1vw);
}

.container {
    display: flex;
    /* align-items: center; */
    justify-content: space-between;
}

.container .conterBox {
    width: calc((820/19.2)*1vw);
    /* height: calc((550/19.2)*1vw); */
}

.conterBox {
    background-color: rgb(255, 255, 255);
    position: relative;
}

.conterBox::before {
    position: absolute;
    content: '';
    width: calc((242/19.2)*1vw);
    height: calc((12/19.2)*1vw);
    right: calc((70/19.2)*1vw);
    bottom: 0;
    background-color: rgb(204, 0, 0);
}

.label {
    display: flex;
    align-items: flex-end;
}

.labelNam {
    width: calc((171/19.2)*1vw);
    height: calc((150/19.2)*1vw);
    line-height: calc((150/19.2)*1vw);
    text-align: center;
    font-size: calc((72/19.2)*1vw);
    color: #fff;
    background-color: rgb(204, 0, 0);
    margin-right: 11px;
}


.labelTitle {
    font-size: calc((36/19.2)*1vw);
    position: relative;
    /* display: inline-block; */
    padding-bottom: 20px;
}

.labelTitle::before {
    position: absolute;
    content: '';
    width: calc((242/19.2)*1vw);
    height: calc((12/19.2)*1vw);
    bottom: 0;
    background: linear-gradient(to right, rgb(217, 217, 217) 20%, rgba(217, 217, 217, 0) 100%);
}

.conter {
    font-size: calc((24/19.2)*1vw);
    line-height: calc((60/19.2)*1vw);
    padding: 0 calc((40/19.2)*1vw);
    padding-top: calc((30/19.2)*1vw);
    padding-bottom: calc((50/19.2)*1vw);
}

.conter>span {
    font-weight: 700;
}

.introduceImg {
    width: 100%;
}

.wrapText {
    margin: calc((70/19.2)*1vw) 0;
}

.wrapConter {
    display: flex;
}

.wrapConter>div {
    padding-right: calc((170/19.2)*1vw);
}

.wrapConter>img {
    width: calc((711/19.2)*1vw);
    height: calc((380/19.2)*1vw);
}

.custom_select {
    position: relative;
}

.custom_select .placeholder {
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.custom_select .placeholder .text {
    min-width: calc((200/19.2)*1vw);
    padding-left: calc((14/19.2)*1vw);
    font-size: calc((40/19.2)*1vw);
    text-align: center;
}

.custom_select .placeholder .img_box img {
    width: calc((47/19.2)*1vw);
    margin-left: calc((40/19.2)*1vw);
}


.custom_select .placeholder .icon_arrow_down {
    position: absolute;
    top: 18px;
    right: 13px;
}

.custom_select .options {
    border-left: 1px solid #ccc;
    border-right: 1px solid #ccc;
    border-bottom: 1px solid #ccc;
    display: none;
    width: 98%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 20;
    max-height: 180px;
    overflow-y: scroll;
    white-space: nowrap;
    background-color: #fff;
}

.custom_select .options .option {
    cursor: pointer;
    font-size: 16px;
    line-height: 40px;
    padding-left: 10px;
    height: 40px;
    background-color: #fff;
}



.custom_select .options .option:hover {
    background-color: rgb(204, 0, 0);
    color: #fff;
}

@media (max-width: 860px) {
    .pc-show {
        display: none !important;
    }

    .mobile-show {
        display: block !important;
    }

    .custom_select .options .option {
        cursor: pointer;
        font-size: 12px;
        line-height: 30px;
        padding-left: 10px;
        height: 30px;
        background-color: #fff;
    }

    .technicalSelector {
        font-size: calc((20/3.75)*1vw);
        margin: calc((30/3.75)*1vw) 0;
    }

    .technicalSelector>img {
        width: calc((21/3.75)*1vw);
        height: calc((21/3.75)*1vw);
    }

    .question {
        font-size: calc((16/3.75)*1vw);
        padding: calc((20/3.75)*1vw);
    }

    .container {
        display: block;
    }

    .container .conterBox {
        width: 100%;
        height: 100%;
    }

    .conterBox {
        width: 100%;
        height: 100%;
        margin-top: calc((30/3.75)*1vw);
    }


    .labelTitle {
        font-size: calc((20/3.75)*1vw);
        padding-bottom: 10px;
    }

    .conter {
        font-size: calc((13/3.75)*1vw);
        line-height: calc((24/3.75)*1vw);
    }

    .wrapConter {
        display: block;
    }

    .wrapConter>div {
        padding-right: 0;
    }

    .wrapConter>img {
        width: calc((315/3.75)*1vw);
        height: calc((169/3.75)*1vw);
        text-align: center;
    }

    .labelNam {
        width: calc((50/3.75)*1vw);
        height: calc((62/3.75)*1vw);
        line-height: calc((62/3.75)*1vw);
        text-align: center;
        font-size: calc((20/3.75)*1vw);
        color: #fff;
        background-color: rgb(204, 0, 0);
        margin-right: 11px;
    }

    .custom_select .placeholder .img_box img {
        width: calc((21/3.75)*1vw);
    }

    .custom_select .placeholder .text {
        min-width: calc((100/3.75)*1vw);
        font-size: calc((20/3.75)*1vw);
    }

}