.ri_banner{position: relative;}
.ri_banner_i{height: calc(100vh - 100px);object-fit: cover;}

/* .ri_arrow{width: 50px;height: 100px;color: #fff;line-height: 100px;text-align: center;font-family: monospace,serif;position: absolute;top: 50%;transform: translateY(-50%);z-index: 1;font-size: 40px;font-weight: 900;background-color: #333;transition: .3s;}
.ri_arrow.slick_prev{left: 20px;}
.ri_arrow.slick_next{right: 20px;} */

.ri_banner_ct{position: absolute;bottom: 0;left: 0;right: 0;}
.ri_banner_ctc{display: flex;justify-content: flex-end;align-items: center;height: 100px;color: #fff;}
.ri_banner_ctc>div{margin-left: 40px;font-size: 18px;}
.ri_banner_ctc>div>a{}
.ri_banner_ctc>div>span{margin: 0 10px;font-family: monospace,serif;font-size: 22px;font-weight: bold;user-select: none;cursor: pointer;}


/* .ban_dot{position: absolute;bottom: -50px;text-align: center;left: 50%;transform: translateX(-50%);}
.ban_dot>li{display: inline-block;width: 10px;height: 10px;font-size: 0;outline: 0;margin-right: 20px;transition: all .5s;cursor: pointer;background-color: #b9b9b9;border-radius: 50%;}
.ban_dot>li:last-child{margin-right: 0;}
.ban_dot>.slick-active{background-color: #000;}
.ban_dot>li button{display: none;} */

.ri_title{text-align: center;}
.ri_title>h1{color: var(--base);font-size: 30px;font-weight: bold;}
.ri_title>p{font-size: 24px;font-weight: bold;margin-top: 10px;}

.ri_about{background: url('/images/index/2.jpg') no-repeat center;background-size: cover;position: relative;}
.ri_about>img{position: absolute;right: calc(50vw - var(--lg) / 2);bottom: -100px;}
.ri_about_c{padding: 100px 0 160px;text-align: center;}
.ri_about_c>p{padding: 0 40px;font-size: 16px;color: #666;line-height: 2.4;margin: 50px 0;}
.ri_about_c>a{padding: 0 40px;line-height: 36px;background-color: var(--base);color: #fff;display: inline-block;}

.ri_prod_c{padding: 160px 0 100px;}
.ri_prod_cate{margin: 50px 0 30px;}
.ri_prod_cc{display: flex;justify-content: space-between;}
.ri_prod_cc>a{line-height: 76px;background-color: var(--base);color: #fff;padding: 0 40px;}
.ri_prod_ci{display: flex;align-items: center;background: url('/images/index/10.png') no-repeat center;background-size: cover;padding: 10px 30px;min-width: 26%;}
.ri_prod_cil{background: url('/images/index/12.png') no-repeat center;background-size: 100% 100%;width: 56px;height: 56px;padding: 16px 8px;}
.ri_prod_ci img:last-child{display: none;}
.ri_prod_cir{margin-left: 15px;}
.ri_prod_cir>h1{font-size: 16px;font-weight: bold;line-height: 2;}
.ri_prod_cir>p{font-size: 12px;font-weight: bold;}
.ri_prod_ca{background-image: url('/images/index/11.png');}
.ri_prod_ca .ri_prod_cil{background-image: url('/images/index/13.png');}
.ri_prod_ca img:first-child{display: none;}
.ri_prod_ca img:last-child{display: inline;}
.ri_prod_ca .ri_prod_cir>h1{color: #fff;}
.ri_prod_ca .ri_prod_cir>p{color: #fff;}

.ri_prod_i{display: flex;flex-wrap: wrap;}
.ri_prod_ii{width: 32%;margin-right: 2%;padding: 10px;border: solid 1px #e4e4e4;margin-bottom: 20px;transition: .3s;}
.ri_prod_ii:nth-child(3n){margin-right: 0;}
.ri_prod_ii>img{width: 100%;height: 370px;object-fit: cover;}
.ri_prod_ii>h1{text-align: center;font-size: 16px;margin: 10px 0 20px;text-overflow: ellipsis;overflow: hidden;white-space: nowrap;}
.ri_prod_ii:hover{background-color: var(--base);box-shadow: 4px 7px 13px 0px rgba(0, 0, 0, 0.18);}
.ri_prod_ii:hover>h1{color: #fff;}

.ri_feed{display: flex;justify-content: space-between;}
.ri_feed_l{width: 40%;background: url('/images/index/17.jpg') no-repeat center;background-size: cover;padding-left: calc(50vw - var(--lg) / 2);padding-top: 100px;height: 650px;}
.ri_feed_l>h1{font-size: 30px;font-weight: bold;line-height: 1.5;color: #fff;}
.ri_feed_l>a{display: inline-block;padding: 0 40px;line-height: 36px;background-color: #fff;margin-top: 30px;}
.ri_feed_r{width: 60%;display: flex;justify-content: space-between;}
.ri_feed_ri{flex: 1;transition: .8s;background-repeat: no-repeat;background-size: cover;background-position: center;}
.ri_feed_ric{display: none;flex-direction: column;justify-content: flex-end;padding: 40px;color: #fff;height: 100%;background-color: rgba(0, 0, 0, 0.18);overflow: hidden;}
.ri_feed_ric>h1{font-size: 20px;font-weight: bold;}
.ri_feed_ric>p{line-height: 1.5;margin-top: 10px;}
.ri_feed_ra{flex: 2;}
.ri_feed_ra .ri_feed_ric{display: flex;}

.rj_top{display: flex;justify-content: space-between;align-items: center;}
.rj_top_l{}
.rj_top_l>span{width: 20px;height: 60px;background-color: var(--base);float: left;margin-right: 20px;margin-top: 10px;}
.rj_top_l>h1{font-size: 30px;font-weight: bold;color: var(--base);white-space: nowrap;}
.rj_top_l>p{font-size: 22px;font-weight: bold;line-height: 2;white-space: nowrap;}
.rj_top>a{line-height: 32px;background-color: #f7f7f7;color: #666;padding: 0 40px;transition: .3s;}
.rj_top>a:hover{background-color: var(--base);color: #fff;}

.ri_brand_c{padding: 100px 0;}
.ri_brand_l{margin-top: 40px;display: flex;justify-content: space-between;}
.ri_brand_l>img{width: 18%;transition: .3s;}
.ri_brand_l>img:hover{transform: translateY(-5px);}

.ri_honor_c{padding: 100px 0;}
.ri_honor_l{margin-top: 40px;display: flex;justify-content: space-between;}
.ri_honor_l>img{width: 31%;transition: .3s;}
.ri_honor_l>img:hover{transform: translateY(-5px);}


.ri_tact{background: url('/images/index/18.jpg') no-repeat center;background-size: cover;padding: 150px 0;}
.ri_tact_c{}
.ri_tact_c>h1{font-size: 40px;color: #333;line-height: 2;}
.ri_tact_c>p{font-size: 30px;color: #666;}
.ri_tact_c>a{line-height: 40px;background-color: var(--base);color: #fff;display: inline-block;padding: 0 40px;margin-top: 30px;}


@media screen and (max-width: 766px) {
    .ri_banner{width: 100%;padding-bottom: 0;}
    .ri_banner_i{height: 26rem;}
    /* .ri_arrow{width: 4rem;height: 5rem;line-height: 5rem;font-size: 2rem;} */
    .ri_banner_ctc{height: 6rem;}
    .ri_banner_ctc>div{margin-left: 2rem;}

    .ri_title{padding: 3rem 0;height: unset;}
    .ri_title>h1{font-size: 2.2rem;}
    .ri_title>p{font-size: 1.8rem;}
    /* .ri_title>a{font-size: 1.4rem;padding: 0 1.5rem;height: 4rem;line-height: 4rem;} */

    .ri_about_c{padding: 6rem 0 10rem;}
    .ri_about_c>p{padding: 0;margin: 2rem 0;font-size: 1.6rem;line-height: 2;}
    .ri_about>img{right: 1.5rem;bottom: -8rem;width: 60vw;}

    .ri_prod_c{padding: 10rem 0 6rem;}
    .ri_prod_ci{padding: 1rem 3rem;}
    .ri_prod_cate{width: 100%;overflow: auto;margin: 0 0 2rem;}
    .ri_prod_cc{width: 340vw;}
    .ri_prod_cc>a{padding: 0 2rem;}
    .ri_prod_cir>h1{font-size: 1.6rem;}
    .ri_prod_cir>p{font-size: 1.2rem;}
    .ri_prod_ii{width: 48%;margin-right: 4%;}
    .ri_prod_ii:nth-child(3n){margin-right: 4%;}
    .ri_prod_ii:nth-child(2n){margin-right: 0;}
    .ri_prod_ii>img{height: 20rem;}
    .ri_prod_ii>h1{font-size: 1.2rem;margin: 1rem 0;}

    .ri_feed{flex-direction: column;}
    .ri_feed_l{width: 100%;height: 20rem;padding: 2rem 2rem 0;}
    .ri_feed_l>h1{font-size: 2.4rem;}
    .ri_feed_l>a{margin-top: 2rem;padding: 0 2rem;line-height: 2.9rem;color: #666;}
    .ri_feed_r{width: 100%;flex-direction: column;}
    .ri_feed_ri{flex: unset;}
    .ri_feed_ric{display: block;padding: 4rem 1.5rem;}
    .ri_feed_ric>h1{font-size: 2rem;}
    .ri_feed_ric>p{}

    .ri_brand_c{padding: 6rem 0;}
    .ri_brand_l{flex-wrap: wrap;}
    .ri_brand_l>img{width: 48%;margin-bottom: 1rem;}

    .rj_top_l>h1{font-size: 2.2rem;}
    .rj_top_l>p{font-size: 1.8rem;}
    .rj_top_l>span{height: 6rem;margin-top: 0;}

    .ri_honor_c{padding: 6rem 0;}

    .ri_tact{padding: 6rem 0;}
    .ri_tact_c>h1{font-size: 3rem;}


}