.pro_main {
    background: var(--color-main-huang);
    padding: var(--pd120) 0
}

.pro_main .pro_list {
    --pd: 27px;
    --mt: 32px;
    margin-top: 46px
}

.pro_main .pro_list .item {
    width: calc(100% / 3 - var(--pd) * 2 / 3);
    margin-left: var(--pd);
    margin-top: var(--mt);
    position: relative
}

.pro_main .pro_list .item:nth-child(3n + 1) {
    margin-left: 0
}

.pro_main .pro_list .item:nth-child(-n + 3) {
    margin-top: 0
}

.pro_main .pro_list .item .img {
    padding-bottom: 122.22%
}

.pro_main .pro_list .item:nth-child(4) {
    width: calc((100% / 3 - var(--pd) * 2 / 3) * 2 + var(--pd))
}

.pro_main .pro_list .item:nth-child(4) .img {
    padding-bottom: 59.36%
}

.pro_main .pro_list .item:nth-child(4) .detail {
    width: calc((100% - var(--pd)) / 2 - (48px * 2));
    padding-bottom: 37.96%;
    left: 50%;
    transform: translate(-50%, -50%)
}

.pro_main .pro_list .item:nth-child(4) .info {
    width: calc((100% - var(--pd)) / 2 - (48px * 2));
    left: 50%;
    transform: translate(-50%)
}

.pro_main .pro_list .item:hover .detail,
.pro_main .pro_list .item:hover .info {
    opacity: 1;
    visibility: visible
}

.pro_main .pro_list .item:hover .img img {
    transform: scale(1.1)
}

.pro_main .pro_list .item .detail {
    background: var(--color-main-lv);
    border-radius: 50%;
    position: absolute;
    left: 48px;
    top: 50%;
    width: calc(100% - 48px * 2);
    height: 0;
    padding-bottom: 78%;
    transform: translateY(-50%);
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease
}

.pro_main .pro_list .item .info {
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
    position: absolute;
    left: 48px;
    top: 50%;
    top: 32%;
    width: calc(100% - 48px * 2)
}

.pro_main .pro_list .item .info .tit {
    font-weight: bold;
    font-size: 24px;
    color: #ffffff;
    line-height: 36px
}

.pro_main .pro_list .item .info .tit::after {
    content: "";
    display: block;
    width: 84px;
    height: 6px;
    background: #ffffff;
    border-radius: 62px 62px 62px 62px;
    margin-left: 50%;
    transform: translateX(-50%);
    margin-top: 8px
}

.pro_main .pro_list .item .info .des {
    margin-top: 8px;
    font-weight: 400;
    font-size: 16px;
    color: #ffffff;
    line-height: 30px
}

.question {
    background: var(--color-main-lv);
    padding: var(--pd120) 0
}

.question .ques_main {
    margin-top: 25px;
    --pd: 47px
}

.question .ques_main .img {
    border-radius: 0px 48px 48px 0px;
    height: auto;
    padding: 0
}

.question .ques_main .rrr {
    padding-right: var(--all-pd)
}

.question .ques_main .rrr .faq_list .faq_item {
    border-bottom: 2px solid #ffffff;
    padding-bottom: 32px;
    margin-top: 32px
}

.question .ques_main .rrr .faq_list .faq_item:first-child {
    margin-top: 0
}

.question .ques_main .rrr .faq_list .faq_item.active .tit_top span::after {
    content: "-"
}

.question .ques_main .rrr .faq_list .faq_item .tit_top {
    display: flex;
    align-items: center;
    justify-content: space-between
}

.question .ques_main .rrr .faq_list .faq_item .tit_top .tit {
    font-family: Open Sans, Open Sans;
    font-weight: bold;
    font-size: 20px;
    color: #ffffff;
    max-width: calc(100% - 30px)
}

.question .ques_main .rrr .faq_list .faq_item .tit_top span {
    display: block;
    width: 20px;
    height: 20px;
    color: #fff;
    font-size: 30px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center
}

.question .ques_main .rrr .faq_list .faq_item .tit_top span::after {
    content: "+"
}

.question .ques_main .rrr .faq_list .faq_item .content {
    font-weight: 400;
    font-size: 16px;
    color: #ffffff;
    line-height: 28px;
    display: none;
    margin-top: 32px
}

.pbl {
    background: var(--color-main-huang);
    padding: var(--pd120) 0 0;
    --pd: 26px
}

.pbl .img_list {
    margin-top: 32px
}

.pbl .img_list .w_size {
    width: calc((100% - (3 * var(--pd))) / 4)
}

.pbl .img_list .pd_size {
    width: var(--pd)
}

.pbl .img_list .img_list_item {
    margin-bottom: var(--pd);
    width: calc((100% - (3 * var(--pd))) / 4)
}

.pbl .img_list .img_list_item img {
    float: left
}

.pbl .img_list .img_list_item img:hover {
    transform: scale(1.1)
}

@media screen and (max-width:950px) {
    .pro_main .pro_list {
        margin-top: 30px
    }

    .pro_main .pro_list .item {
        width: 100% !important;
        margin: 0;
        margin-top: 50px !important
    }

    .pro_main .pro_list .item .img {
        padding-bottom: 70%
    }

    .pro_main .pro_list .item .detail {
        display: none
    }

    .pro_main .pro_list .item .info {
        position: unset;
        opacity: 1;
        visibility: visible;
        background: var(--color-main-lv);
        width: 100% !important;
        padding: 30px 15px;
        transform: unset !important
    }

    .question {
        padding: 50px var(--all-pd)
    }

    .question .ques_main .img {
        height: 0;
        padding-bottom: 70%;
        border-radius: 0
    }

    .question .ques_main .rrr .faq_list .faq_item .tit_top .tit {
        font-size: 18px
    }

    .question .ques_main .rrr .faq_list .faq_item .content {
        margin-top: 15px
    }

    .pbl .img_list .w_size {
        width: calc(50% - var(--pd) / 2)
    }

    .pbl .img_list .img_list_item {
        width: calc(50% - var(--pd) / 2)
    }
}