@charset "UTF-8";

body.swiper-active {
    overflow: hidden;
}

.banenr_center {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: #000;
}

.banenr_center .banner_Ele {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    min-height: 100%;
    object-fit: cover;
    opacity: 1;
}



.h_swiper .ban_text {
    position: absolute;
    z-index: 2;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.h_swiper .ban_text .ban_tit {
    font-size: var(--f60);
    color: #fff;
    font-weight: 700;
    line-height: 113%;
    max-width: max(720px, 38vw);
    margin: 0 auto 2%;
}

.h_swiper .ban_text .ban_sum {
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 1%;
    font-weight: 700;
    letter-spacing: 1px;
}

.h_swiper .swiper-pagination {
    line-height: 0;
    position: static;
}

.h_swiper .swiper-pagination-bullet {
    width: var(--f30);
    height: 3px;
    display: inline-block;
    border-radius: 0;
    background: #fff;
    opacity: .5;
    transition: all .5s ease;
}

.h_swiper .swiper-pagination-bullet-active {
    opacity: 1;
    background: var(--jb);
}

.swiper_span {
    position: absolute;
    width: 100%;
    bottom: 4%;
    left: 0;
    z-index: 2;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 8px;
    text-align: center;
}

.h_about {
    padding: 5% 0;
    background: url(/src/image/abbg.jpg) center center no-repeat;
}

.h_about .left {
    width: 40%;
    max-width: max(600px, 31.25vw);
}

.tit {
    font-size: var(--f18);
    color: #999999;
    font-weight: 300;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.sub {
    font-size: var(--f40);
    line-height: 120%;
    margin: var(--f16) 0 var(--f48);
}

.sub span {
    color: var(--li);
}

.h_about .left p {
    font-size: var(--f18);
    margin-bottom: calc(var(--f48) * 2);
}

.h_about .right {
    width: 50%;
}

.h_about .right img {
    width: 100%;
    vertical-align: top;
}

.h_scroll_num ul {
    border: 1px solid #e5e5e5;
    border-style: solid none;
    display: flex;
    flex-wrap: wrap;
}

.h_scroll_num ul li {
    width: 25%;
    height: 0;
    padding-bottom: 25%;
    border-right: 1px solid #e5e5e5;
    position: relative;
}

.h_scroll_num ul li .tc {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    width: 80%;
}

.h_scroll_num .jb {
    display: flex;
    align-items: center;
    min-height: calc(var(--f48) * 2);
    justify-content: center;
    font-size: calc(var(--f42) * 2);
}

.h_scroll_num .jb img {
    max-width: 80%;
}

.h_scroll_num .jb i {
    font-weight: 200;
}

.h_scroll_num p {
    font-size: var(--f18);
}


.h_product {
    text-align: center;
    padding-top: 5%;
}

.fix_box {
    height: max(3800px, 287vw);
    position: relative;
}

.fix_box .dots {
    position: absolute;
    z-index: 2;
    right: 10%;
    top: 50%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: flex-end;
}

.fix_box .dots .dot {
    width: 25px;
    height: 3px;
    background: #fff;
    opacity: .5;
    transition: all .5s ease;
    cursor: pointer;
}

.fix_box .dots .active {
    opacity: 1;
    width: 40px;
}

.fix_box .background {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    transition: all .5s ease;
    background-size: cover;
}

.parallax-bg {
    position: absolute;
    max-width: max(970px, 50vw);
    width: 100%;
    left: 50%;
    top: 0;
    z-index: 1;
    transform: translate(-50%, 0%);
}

.parallax-bg:before {
    content: '';
    position: absolute;
    width: 1px;
    height: 100%;
    background: #fff;
    left: 50%;
    opacity: .2;
}

.parallax-bg ul {
    display: flex;
    flex-direction: column;
    gap: 15vw 0;
    width: 94%;
    padding: 15vw 0;
    margin: 0 auto;
}

.parallax-bg ul li {
    width: 43%;
    background: rgb(255 255 255 / 30%);
    padding: var(--f30);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    border: 1px solid rgb(255 255 255 / 30%);
    text-align: left;
}

.parallax-bg ul li h3 {
    font-size: var(--f36);
    color: #fff;
    line-height: 120%;
    width: 100%;
    margin: var(--f18) 0;
}

.parallax-bg ul li .info {
    color: #fff;
    margin-bottom: var(--f48);
}

.parallax-bg ul li span.public_more {
    color: #fff;
}

.parallax-bg ul li:nth-of-type(2n - 1) {
    margin-left: auto;
}



.h_wcu {
    text-align: center;
    padding: 5% 0 3%;
}


.h_wcu ul {
    display: flex;
    margin-top: 4%;
}

.h_wcu ul li.active {
    flex: 3;
}

.h_wcu ul li {
    flex: 1;
    transition: all .5s ease;
    counter-increment: Advantage;
    height: max(500px, 28vw);
    cursor: pointer;
    position: relative;
}

.h_wcu ul li:before {
    content: '';
    border-left: 1px solid #e5e5e5;
    position: absolute;
    width: 1px;
    height: 200%;
    left: 0;
}

.h_wcu ul .left p:before {
    content: counter(Advantage, decimal-leading-zero);
    color: #e9eaea;
    font-size: 6vw;
    font-weight: 700;
    line-height: 100%;
    transform: translateX(-2vw);
    display: block;
    writing-mode: horizontal-tb;
}

.h_wcu ul .active .left p:before {
    color: var(--li);
}

.h_wcu ul .left {
    width: max(140px, 7vw);
    height: 100%;
    overflow: hidden;
}

.h_wcu ul .right {
    width: calc(86% - max(140px, 7vw));
    display: none;
    margin-right: auto;
    position: absolute;
    right: 14%;
    top: 0;
}

.h_wcu ul .left p {
    font-size: var(--f24);
    color: #e9eaea;
    font-weight: 500;
    writing-mode: vertical-rl;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 2vw;
    height: 100%;
    max-height: max(500px, 28vw);
}

.h_wcu ul .active .left p {
    color: #fff;
}

.h_wcu ul .active .right {
    display: block;
    text-align: left;
}

.h_wcu ul .flex {
    align-items: flex-start;
    height: 100%;
}

.h_wcu ul .right h4 {
    font-size: var(--f30);
    color: #000;
    line-height: 100%;
}

.h_wcu ul .right .h_word {
    font-size: var(--f18);
    margin: var(--f48) 0 var(--f72);
    color: #666666;
}

.h_wcu ul .right .lflex {
    display: flex;
    align-items: flex-end;
    gap: 1.5vw;
    color: #000;
}

.h_num {
    display: flex;
    gap: var(--f48);
    font-size: var(--f18);
    color: #000;
}

.h_num .jb {
    display: flex;
    align-items: center;
    min-height: calc(var(--f30) * 2);
    font-size: calc(var(--f30) * 2);
}

@media only screen and (min-width:769px) {}

@media only screen and (max-width:1200px) {
    .fix_box .dots {
        right: 3%;
    }

    .h_scroll_num ul li {
        width: 50%;
    }
}

@media only screen and (max-width:768px) {
    .banenr_center {
        height: 70vh;
    }

    .h_swiper .ban_text .ban_tit {
        font-size: 28px;
    }

    .h_wcu ul {
        flex-direction: column;
        margin-top: 30px;
    }

    .h_wcu ul .left {
        display: none;
    }

    .h_wcu ul .right {
        width: 100%;
        position: static;
        display: block;
        text-align: left;
    }

    .h_wcu ul li {
        margin-bottom: 30px;
        border: 1px solid #eee;
        padding: 20px;
    }

    .h_wcu ul li.active {
        flex: 1;
    }

    .h_wcu ul .right h4 {
        font-size: 18px;
        line-height: 125%;
    }

    .h_wcu ul .right .h_word {
        font-size: 14px;
        margin: 10px 0 20px;
    }

    .h_about .left {
        width: 100%;
        max-width: none;
    }

    .h_about .right {
        width: 100%;
        margin: 30px 0 0;
    }

    .h_wcu ul li:before {
        display: none;
    }

    .h_about {
        padding: 50px 0 30px;
        background-size: contain;
        background-position: 50% 40%;
    }

    .h_about .left p {
        line-height: 188%;
        margin-bottom: 20px;
    }

    .h_scroll_num ul li {
        width: 50%;
        border-bottom: 1px solid #eee;
        padding: 20px;
        height: auto;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .h_scroll_num ul li .tc {
        position: static;
        width: 100%;
        transform: none;
    }

    .h_scroll_num ul {
        border-style: solid none none;
    }

    .h_scroll_num .jb {
        font-size: 32px;
        line-height: 120%;
    }

    .h_product {
        padding-top: 80px;
    }

    .parallax-bg ul li {
        width: 100%;
        background: transparent;
        border: none;
        backdrop-filter: none;
        padding: 0 10px;
    }

    .parallax-bg:before {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        background: #000;
        left: 0;
        opacity: .4;
        z-index: -1;
    }

    .fix_box {
        position: relative;
    }

    .fix_box .dots {
        display: none;
    }

    .h_wcu {
        padding: 50px 0;
    }

    .parallax-bg ul li h3 {
        font-size: 18px;
        width: 100%;
        margin: 10px 0 5px;
    }

    .parallax-bg ul li img {
        width: 50px;
        height: 50px;
        object-fit: contain;
    }

    .parallax-bg ul {
        gap: 80px 0;
    }

    .sub {
        margin: 10px 0 25px;
        color: #000;
    }

    .h_num .jb {
        min-height: 24px;
        font-size: 24px;
    }

    .h_num {
        font-size: 14px;
    }

}