* {
    padding: 0
}

.w {
    width: 1200px;
    margin: 0 auto
}

p {
    line-height: 1
}

.banner {
    width: 100%;
    height: 500px;
    position: relative;
    background-image: url(/img/banner5.png);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    box-sizing: border-box
}

.productlist {
    padding: 30px 0;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    display: flex;
    justify-content: space-between
}

.productlist .productlist_left {
    width: 581px
}

.productlist .productlist_left .swiper {
    width: 100%;
    height: 100%
}

.productlist .productlist_left .swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center
}

.productlist .productlist_left .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover
}

.productlist .productlist_left body {
    background: #000;
    color: #000
}

.productlist .productlist_left .swiper {
    width: 100%;
    height: 300px;
    margin-left: auto;
    margin-right: auto
}

.productlist .productlist_left .swiper-slide {
    background-size: cover;
    background-position: center
}

.productlist .productlist_left .mySwiper2 {
    height: 80%;
    width: 100%
}

.productlist .productlist_left .mySwiper {
    height: 122px;
    box-sizing: border-box;
    margin-top: 20px
}

.productlist .productlist_left .mySwiper .swiper-wrapper {
    justify-content: center;
    position: relative
}

.productlist .productlist_left .mySwiper .swiper-slide {
    width: 25%;
    height: 100%;
    opacity: .4
}

.productlist .productlist_left .mySwiper .swiper-slide-thumb-active {
    opacity: 1
}

.productlist .productlist_left .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover
}

.productlist .productlist_left .swiper-button-next,
.productlist .productlist_left .swiper-button-prev {
    background-color: rgba(255, 255, 255, 0.541);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    transition: all .3s
}

.productlist .productlist_left .swiper-button-next:after,
.productlist .productlist_left .swiper-button-prev:after {
    font-size: 16px;
    color: #333;
    font-weight: bold
}

.productlist .productlist_left .swiper-button-next:hover,
.productlist .productlist_left .swiper-button-prev:hover {
    background-color: #c4161c;
    transform: scale(1.05);
    color: #fff
}

.productlist .productlist_left .swiper-button-next:hover:after,
.productlist .productlist_left .swiper-button-prev:hover:after {
    transform: scale(1.05);
    color: #fff
}

.productlist .productlist_right {
    width: 530px
}

.productlist .productlist_right h1 {
    font-size: 24px;
    color: #c4161c;
    margin-bottom: 40px;
    margin-top: 42px;
    font-weight: 400
}

.productlist .productlist_right p {
    font-size: 16px;
    color: #333;
    line-height: 1.75;
    width: 531px
}

.productlist .productlist_right .liax {
    display: flex;
    align-items: center;
    margin-top: 40px
}

.productlist .productlist_right .liax .xiazai {
    display: inline-block;
    border: 1px solid #c4161c;
    width: 139px;
    height: 41px;
    border-radius: 50px;
    overflow: hidden;
    color: #c4161c;
    margin-right: 20px;
    line-height: 41px;
    text-align: center;
}

.productlist .productlist_right .liax div {
    font-size: 16px;
    color: #333
}

.productlist .productlist_right .liax div img {
    margin: 5px
}

.productlist .productlist_left .mySwiper2 .swiper-wrapper .swiper-slide img {
    width: 80%;
    height: 90%
}

.Details {
    padding: 80px 0
}

.Details_top {
    display: flex
}

.Details_top .Details_top_list {
    flex: 1;
    background-color: #f5f5f5;
    text-align: center;
    color: #333;
    border-bottom: 2px solid #f5f5f5;
    line-height: 50px;
    cursor: pointer;
    transition: all .3s ease
}

.Details_top .Details_top_list:hover {
    background-color: #e8e8e8
}

.Details_top .active {
    border-bottom: 2px solid #c4161c;
    box-sizing: border-box;
    color: #c4161c;
    font-weight: bold;
    background-color: #fff
}

.Details_bot {
    padding: 44px 33px;
    display: none
}

.Details_bot h1 {
    font-size: 18px;
    font-weight: 400;
    color: #333;
    padding-bottom: 20px
}

.Details_bot p {
    color: #333;
    line-height: 1.7
}

.Details_bot.Details_bot_active {
    display: block
}

@media (max-width:600px) {
    .productlist .productlist_right {
        width: 95%
    }

    .productlist .productlist_right p {
        width: 100%
    }

    .productlist .productlist_left {
        width: 95%
    }
}

@media (max-width:1215px) {
    .banner {
        height: 65.10416667vw
    }

    .productlist {
        display: block
    }

    .productlist .productlist_left {
        margin: 0 auto
    }

    .productlist .productlist_right {
        margin: 0 auto
    }
}