.bannerPic{
    height: 75vh;
}
.bannerPic .d-block{
    width: 100%;
    height: 100%;
    border: 0;
    vertical-align: middle;
    object-fit: cover;
}

.bannerPic .carousel-item{
    overflow: hidden;
}

/* 首页轮播：纯 CSS 背景 + 左右布局 + 叠图 */
.bannerSlide{
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 26.25rem;
    color: #fff;
}
.bannerSlide__bg{
    position: absolute;
    inset: 0;
    z-index: 0;
}
.bannerSlide__inner{
    position: relative;
    z-index: 1;
    height: 100%;
    width: min(75rem, calc(100% - max(2.5rem, 5vw)));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(0.5rem, 2vw, 2rem);
}
.bannerSlide__left,
.bannerSlide__right{
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    align-items: center;
}
.bannerSlide__right{
    justify-content: flex-end;
}

/* 三套好看的 CSS 背景（替换原来的 img 背景） */
.bannerSlide--one .bannerSlide__bg{
    background:
        radial-gradient(920px 560px at 18% 38%, rgba(0, 106, 255, 0.22), transparent 62%),
        radial-gradient(860px 560px at 78% 44%, rgba(86, 44, 255, 0.18), transparent 64%),
        linear-gradient(135deg, #5d668a 0%, #214064 48%, #06101a 100%),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.05) 0 1px, transparent 1px 48px);
}
.bannerSlide--two .bannerSlide__bg{
    background:
        radial-gradient(960px 640px at 22% 42%, rgba(0, 255, 209, 0.20), transparent 62%),
        radial-gradient(900px 560px at 82% 40%, rgba(0, 151, 255, 0.18), transparent 64%),
        linear-gradient(120deg, #516862 0%, #286680 58%, #132f47 100%),
        repeating-linear-gradient(-45deg, rgba(255,255,255,0.04) 0 2px, transparent 2px 14px);
}
.bannerSlide--three .bannerSlide__bg{
    background:
        radial-gradient(1020px 720px at 20% 40%, rgba(161, 141, 226, 0.26), transparent 62%),
        radial-gradient(900px 600px at 82% 46%, rgba(255, 210, 70, 0.16), transparent 64%),
        linear-gradient(135deg, #41487e 0%, #4a3c7d 52%, #0e223d 100%),
        repeating-linear-gradient(0deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 44px);
}
.bannerSlide__bg::after{
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(900px 540px at 50% 55%, rgba(0,0,0,0.25), rgba(0,0,0,0.70));
    pointer-events: none;
}

/* 把原来绝对定位的文字，改为布局内定位（文字内容不变） */
.bannerSlide .productDescribe1,
.bannerSlide .productDescribe2,
.bannerSlide .productDescribe3{
    position: static;
    transform: none;
    top: auto;
    left: auto;
    right: auto;
    width: 100%;
    text-align: left;
}
.bannerSlide .productTitle1{
    font-family: 'alima';
    margin: 0 0 0.875rem 0;
    justify-content: flex-start;
    width: auto;
    text-shadow: 0 10px 28px rgba(0,0,0,0.65);
    letter-spacing: 0.5px;
}
.bannerSlide .productTitle2{
    font-family: 'zcool';
    margin: 0;
    /* max-width: 520px; */
    color: rgba(255,255,255,0.92);
}

/* 右侧叠图容器 */
.bannerOverlap{
    position: relative;
    width: min(32.5rem, 100%);
    height: clamp(12rem, 35vw, 25.625rem);
}
.bannerOverlap__img{
    position: absolute;
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 24px 46px rgba(0,0,0,0.55));
    border-radius: 16px;
    transform-origin: center;
    /* background: rgba(255,255,255,0.02); */
}

.bannerOverlap--pics .bannerOverlap__img--a{
    width: 72%;
    right: 35%;
    top: 18%;
    transform: rotate(5deg);
    /* opacity: 0.92; */
}
.bannerOverlap--pics .bannerOverlap__img--b{
    width: 90%;
    right: -20%;
    top: -5%;
    /* transform: rotate(18deg); */
    /* opacity: 0.90; */
}
.bannerOverlap--pics .bannerOverlap__img--c{
    width: 70%;
    right: 8%;
    top: 10%;
    transform: rotate(-6deg);
    opacity: 0.96;
}
.bannerOverlap--pics .bannerOverlap__img--d{
    width: 46%;
    right: 44%;
    top: 6%;
    transform: rotate(14deg);
    opacity: 0.86;
}
.bannerOverlap--pics .bannerOverlap__img--e{
    width: 40%;
    right: 10%;
    top: 64%;
    transform: rotate(-14deg);
    opacity: 0.82;
}

/* 第二页：左图右文（可叠两张图） */
.bannerSlide--two .bannerSlide__inner{
    flex-direction: row;
    gap: 6.25rem;
}
.bannerOverlap--waterPower .bannerOverlap__img--a{
    width: 74%;
    left: 0%;
    top: 8%;
    transform: rotate(-1deg);
    opacity: 0.96;
}
.bannerOverlap--waterPower .bannerOverlap__img--b{
    width: 90%;
    left: 30%;
    top: 0%;
    transform: rotate(10deg);
    /* opacity: 0.92; */
}

/* 第三页：左文右图（两张 bannerSystem*） */
.bannerOverlap--system .bannerOverlap__img--a{
    width: 95%;
    right: 0%;
    top: 0%;
    transform: rotate(0deg);
    opacity: 0.96;
}
.bannerOverlap--system .bannerOverlap__img--b{
    width: 85%;
    right: 25%;
    top: 38%;
    transform: rotate(0deg);
    opacity: 0.92;
}

.bannerPic .productDescribe1{
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%,-50%);
    text-align: center;
    color: #fff;
}
.productDescribe1 .productTitle1{
    max-width: 37.5rem;
    width: auto;
    font-size: clamp(1.5rem, 4.5vw, 3.125rem);
    display: flex;
    justify-content: center;
    margin-bottom: 1.25rem;
    letter-spacing: 0;

    font-weight: 700;
    text-shadow:3px 3px rgb(0, 0, 0);
}
.productDescribe1 .productTitle1 span{
    white-space: nowrap;
}
.productDescribe1 .productTitle2{
    letter-spacing: 0.1rem;
    font-size: clamp(0.875rem, 2vw, 1.25rem);
}

.bannerPic .productDescribe2{
    position: absolute;
    top: 45%;
    right: 10%;
    transform: translate(0,-50%);
    color: #fff;
}
.productDescribe2 .productTitle1{
    max-width: 37.5rem;
    width: auto;
    font-size: clamp(1.5rem, 4.5vw, 3.125rem);
    display: flex;
    justify-content: center;
    margin-bottom: 1.25rem;
    letter-spacing: 0.3rem;


    font-weight: 700;
    text-shadow:3px 3px rgb(0, 0, 0);
}
.productDescribe2 .productTitle1 span{
    white-space: nowrap;
}
.productDescribe2 .productTitle2{
    max-width: 37.5rem;
    width: auto;
    font-size: clamp(0.75rem, 1.6vw, 1.125rem);
}
.bannerPic .productDescribe3{
    position: absolute;
    top: 45%;
    left: 20%;
    transform: translate(0,-50%);
    color: #fff;
}
.productDescribe3 .productTitle1{
    max-width: 37.5rem;
    width: auto;
    font-size: clamp(1.5rem, 4.5vw, 3.125rem);
    display: flex;
    justify-content: center;
    text-align: center;
    margin-bottom: 1.25rem;
    letter-spacing: 0.3rem;

    font-weight: 700;
    text-shadow:3px 3px rgb(0, 0, 0);
}
.productDescribe3 .productTitle1 span{
    white-space: nowrap;
}
.productDescribe3 .productTitle2{
    text-align: left;
    font-size: clamp(0.875rem, 2vw, 1.25rem);
}

/* 轮播新布局：确保覆盖旧的绝对定位规则 */
.bannerPic .bannerSlide .productDescribe1,
.bannerPic .bannerSlide .productDescribe2,
.bannerPic .bannerSlide .productDescribe3{
    position: static !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
}
.bannerPic .bannerSlide .productDescribe1{ text-align: left !important; }
.bannerPic .bannerSlide .productDescribe2{ text-align: left !important; }
.bannerPic .bannerSlide .productDescribe3{ text-align: left !important; }
.bannerPic .bannerSlide .productTitle1{
    width: auto !important;
    justify-content: space-between !important;
}
.bannerPic .bannerSlide .productTitle1 span{
    width: auto !important;
}

.aboutUs{
    position: relative;
    min-height: max(25rem, 55vh);
    display: flex;
}
.aboutUs::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../static/bg1.jpg') no-repeat center center;
    background-size: cover;
    opacity: 0.5; /* 设置透明度 */
}
.aboutUsTitle{
    position: relative;
    width: 50%;
}
.aboutUsTitle h1:nth-child(1){
    font-size: clamp(1.5rem, 4.5vw, 3.125rem);
    color: #bde9f6;
    font-family: "Impact";
    position: absolute;
    top: 16%;
    left: 50%;
    transform: translate(-50%,0);
    z-index: 3;
}
.aboutUsTitle h1:nth-child(2){
    font-size: clamp(1.375rem, 4vw, 2.8125rem);
    font-weight: 700;
    color: #474747;
    font-family: "Impact";
    position: absolute;
    top: 30%;
    left: 50%;
    transform: translate(-50%,0);
    z-index: 5;
}
.aboutUsTitle div:nth-child(3){
    font-size: clamp(0.75rem, 1.6vw, 1.125rem);
    color: #292222;
    font-family: "Impact";
    position: absolute;
    top: 45%;
    left: 50%;
    transform: translate(-50%,0);
    z-index: 5;
}
.aboutUsTitle p{
    font-size: clamp(0.75rem, 1.6vw, 1.125rem);
}
.aboutUsMore{
    position: relative;
    
}
.aboutUsMore .check{
    box-sizing: border-box;
    color: rgb(74, 74, 74);
    cursor: pointer;
    display: inline-block;
    font-family: FreightSansPro-Book, Verdana, sans-serif;
    font-size: clamp(0.75rem, 1.6vw, 1.125rem);
    font-stretch: 100%;
    font-style: normal;
    font-weight: 500;
    letter-spacing: 0.75px;
    line-height: 1.5rem;
    padding-bottom: 0px;
    padding-left: 0px;
    padding-right: 0px;
    padding-top: 1.275rem;
    position: relative;
    text-align: center;
    text-decoration: none;
    text-decoration-color: rgb(74, 74, 74);
    text-decoration-line: none;
    text-decoration-style: solid;
    -moz-user-select: auto;
}
.aboutUsMore .check span{
    display: inline-block;
    width:100%;
    height: 2px;
    background-color:rgb(34, 116, 205);
    transform: translate3d(-50%,0,0);
    transition-duration: 0.5s;
    position: absolute;
    top: 2.75rem;
    left: 50%;

}
.aboutUsMore .check:hover span{
    width:50%;
}
.icon-jiantou{
    position: absolute;
    font-size: clamp(0.75rem, 2.2vw, 1.5625rem)!important;
    color: rgb(34, 116, 205);;
    bottom: -0.4375rem;
    left: 5.3125rem;
    opacity: 0;
}
.aboutUsNumber{
    position: relative;
    width: 50%;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}
.aboutUsNumber .numberBox{
    position: relative;
    width: 49%;
}
.aboutUsNumber .numberBox:nth-child(1)::after{
    content: '';
    position: absolute;
    width: 1px;
    height: 50%;
    background: #d2d2d2;
    right: 0px;
    top: 25%;
}
.aboutUsNumber .numberBox:nth-child(1)::before{
    content: '';
    position: absolute;
    height: 1px;
    width: calc(100% - 1.875rem);
    background: #d2d2d2;
    right: 0.9375rem;
    bottom: 1.875rem;
}
.aboutUsNumber .numberBox:nth-child(2)::before{
    content: '';
    position: absolute;
    height: 1px;
    width: calc(100% - 1.875rem);
    background: #d2d2d2;
    right: 1.25rem;
    bottom: 1.875rem;
}
.aboutUsNumber .numberBox:nth-child(3)::after{
    content: '';
    position: absolute;
    width: 1px;
    height: 50%;
    background: #d2d2d2;
    right: 0px;
    top: 0%;
}
.numberBoxTitle{
    font-weight: 700;
    width: 16.875rem;
    font-size: clamp(1.5rem, 5vw, 3.75rem);
    color: rgb(34, 116, 205);
    position: absolute;
    top: 20%;
    left: 60%;
    transform: translate(-50%,0);
}

.aboutUsNumber .numberBox:nth-child(3) .numberBoxTitle,.aboutUsNumber .numberBox:nth-child(4) .numberBoxTitle{
    font-weight: 700;
    width: 16.875rem;
    font-size: clamp(1.5rem, 5vw, 3.75rem);
    color: rgb(34, 116, 205);
    position: absolute;
    top: 0;
    left: 60%;
    transform: translate(-50%,0);
}

.numberBoxTitle span:nth-child(2){
    font-size: clamp(0.875rem, 2vw, 1.25rem);
    color: rgb(74, 74, 74);

}


.aboutUsNumber .numberBox:nth-child(1) .numberBoxInner{
    font-size: clamp(0.875rem, 2vw, 1.25rem);
    position: absolute;
    top: 55%;
    left: 45%;
    transform: translate(-50%,0);
}
.aboutUsNumber .numberBox:nth-child(2) .numberBoxInner{
    font-size: clamp(0.875rem, 2vw, 1.25rem);
    position: absolute;
    top: 55%;
    left: 50%;
    transform: translate(-50%,0);
}
.aboutUsNumber .numberBox:nth-child(3) .numberBoxInner{
    font-size: clamp(0.875rem, 2vw, 1.25rem);
    position: absolute;
    top: 34%;
    left: 39%;
    transform: translate(-50%,0);
}
.aboutUsNumber .numberBox:nth-child(4) .numberBoxInner{
    font-size: clamp(0.875rem, 2vw, 1.25rem);
    position: absolute;
    top: 34%;
    left: 40%;
    transform: translate(-50%,0);
}


.solutionPC{
    position: relative;
    min-height: max(40.625rem, 70vh);
    /* 深色渐变背景（更衬托斜盒子） */
    background:
        radial-gradient(1200px 600px at 20% 10%, rgba(59,182,216,0.28), transparent 55%),
        radial-gradient(900px 500px at 80% 20%, rgba(45,87,255,0.18), transparent 60%),
        linear-gradient(135deg, #0b1220 0%, #0a1a25 45%, #061018 100%);
}
.solutionPC .solutionTitle{
    position: absolute;
    top: 4.375rem;
    left: clamp(1rem, 8vw, 12.5rem);
}
.solutionPC .solutionTitle h1:nth-child(1){
    font-size: clamp(1.5rem, 4.5vw, 3.125rem);
    color: #bde9f6;
    font-family: "Impact";
    z-index: 3;
    text-align: center;
}
.solutionPC .solutionTitle h1:nth-child(2){
    font-size: clamp(1.375rem, 4vw, 2.8125rem);
    font-weight: 700;
    color: #fff;
    font-family: "Impact";
    z-index: 5;
    text-align: center;
}

.solutionPC .solutionMore{
    position: absolute;
    left: 48%;
    transform: translate(-50%,0);
}
.solutionPC .solutionMore .check{
    box-sizing: border-box;
    color: #aaa;
    cursor: pointer;
    display: inline-block;
    font-family: FreightSansPro-Book, Verdana, sans-serif;
    font-size: clamp(0.75rem, 1.6vw, 1.125rem);
    font-stretch: 100%;
    font-style: normal;
    font-weight: 500;
    letter-spacing: 0.75px;
    line-height: 1.5rem;
    padding-bottom: 0px;
    padding-left: 0px;
    padding-right: 0px;
    padding-top: 1.875rem;
    position: relative;
    text-align: center;
    text-decoration: none;
    text-decoration-color: rgb(74, 74, 74);
    text-decoration-line: none;
    text-decoration-style: solid;
    -moz-user-select: auto;
}
.solutionPC .solutionMore .check span{
    display: inline-block;
    width:100%;
    height: 2px;
    background-color:#aaa;
    transform: translate3d(-50%,0,0);
    transition-duration: 0.5s;
    position: absolute;
    top: 3.75rem;
    left: 50%;

}
.solutionPC .solutionMore .check:hover span{
    width:50%;
}


.solutionPC .solutionList{
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.solutionPC .solutionListTitle{
    font-family: 'alima';
    width: 50%;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    padding-top: 4.375rem;
    padding-left: clamp(2rem, 35vw, 40.625rem);
    box-sizing: border-box;
}

.solutionPC .solutionListTitle > div{
    --step-x: 0px;
    width: fit-content;
    min-width: clamp(12rem, 20vw, 20rem);
    max-width: clamp(16rem, 32vw, 32.5rem);
    padding: 0.875rem 1.25rem;
    background: rgba(10, 24, 36, 0.88);
    border: 1px solid rgba(142, 232, 255, 0.35);
    box-shadow:
        0 14px 34px rgba(0,0,0,0.55),
        0 0 0 1px rgba(59,182,216,0.18) inset;
    border-radius: 10px;
    cursor: pointer;
    user-select: none;
    transform: translateX(var(--step-x)) skewX(-14deg);
    transform-origin: left center;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.solutionPC .solutionListTitle > div > span{
    display: inline-block;
    transform: skewX(14deg);
    font-size: clamp(0.7rem, 1.2vw, 1rem);
    color: rgba(240, 252, 255, 0.92);
    letter-spacing: 0.5px;
}

.solutionPC .solutionListTitle > div:hover{
    box-shadow:
        0 18px 44px rgba(0,0,0,0.62),
        0 0 22px rgba(59,182,216,0.22),
        0 0 0 1px rgba(142,232,255,0.22) inset;
}

.solutionPC .solutionListTitle > div.solutionTitleActive{
    background: rgba(16, 56, 72, 0.92);
    border-color: rgba(142, 232, 255, 0.72);
    box-shadow:
        0 22px 52px rgba(0,0,0,0.62),
        0 0 34px rgba(59,182,216,0.35),
        0 0 0 1px rgba(142,232,255,0.28) inset;
}

/* 阶梯：从上到下越来越偏左（更负的X） */
.solutionPC .solutionListTitle > div:nth-child(1){ --step-x: 0vw; }
.solutionPC .solutionListTitle > div:nth-child(2){ --step-x: -2.5vw; }
.solutionPC .solutionListTitle > div:nth-child(3){ --step-x: -5vw; }
.solutionPC .solutionListTitle > div:nth-child(4){ --step-x: -7.5vw; }
.solutionPC .solutionListTitle > div:nth-child(5){ --step-x: -10vw; }
.solutionPC .solutionListTitle > div:nth-child(6){ --step-x: -12.5vw; }
.solutionPC .solutionListTitle > div:nth-child(7){ --step-x: -15vw; }
.solutionPC .solutionListTitle > div:nth-child(8){ --step-x: -17.5vw; }

.solutionPC .solutionListTitle > div.solutionTitleActive{
    transform: translateX(calc(var(--step-x) + 0.375rem)) skewX(-14deg);
}
.solutionPC .solutionImg{
    width: 48%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-right: 0.625rem;
    box-sizing: border-box;
    padding-top: 4.25rem;
}

.solutionPC .solutionShow{
    width: min(36.25rem, 100%);
    display: grid;
    gap: 0.5rem;
}

.solutionPC .solutionShowMedia{
    height: clamp(8rem, 25vw, 22.8125rem);
    border-radius: 16px;
    overflow: hidden;
    transform: skewX(-12deg);
    transform-origin: center;
    box-shadow:
        0 24px 60px rgba(0,0,0,0.65),
        0 0 40px rgba(59,182,216,0.18);
    border: 1px solid rgba(142,232,255,0.22);
    background: rgba(6,16,24,0.6);
}

.solutionPC .solutionShowImg{
    width: 120%;
    height: 120%;
    object-fit: cover;
    display: block;
    opacity: 0.96;
    /* 外层斜盒子，图片反向倾斜保持“正” */
    transform: skewX(12deg) scale(1.08);
    transform-origin: center;
}

.solutionPC .solutionShowText{
    margin-top: 0.9375rem;
    margin-left:max(-3.125rem, -5vw);
    padding: clamp(0.5rem, 1.5vw, 1rem) clamp(0.5rem, 1.5vw, 1.125rem);
    border-radius: 14px;
    background: rgba(18, 44, 62, 0.78);
    border: 1px solid rgba(142,232,255,0.28);
    box-shadow:
        0 18px 46px rgba(0,0,0,0.5),
        0 0 24px rgba(59,182,216,0.18);
}

.solutionPC .solutionShowTitle{
    margin: 0 0 0.5rem 0;
    font-size: clamp(0.75rem, 1.6vw, 1.125rem);
    font-weight: 700;
    color: rgba(240,252,255,0.92);
}

.solutionPC .solutionShowDesc{
    margin: 0 0 0.75rem 0;
    font-size: clamp(0.7rem, 1.2vw, 0.875rem);
    line-height: 1.7;
    color: rgba(240,252,255,0.84);
}

.solutionPC .solutionShowTags{
    display: flex;
    flex-wrap: wrap;
    gap: 0.625rem;
}

.solutionPC .solutionShowTags span{
    display: inline-block;
    padding: 0.375rem 0.625rem;
    border-radius: 999px;
    font-size: clamp(0.625rem, 1vw, 0.75rem);
    color: rgba(240,252,255,0.88);
    background: rgba(59,182,216,0.14);
    border: 1px solid rgba(142,232,255,0.22);
}

.advantage{
    position: relative;
    min-height: max(25rem, 55vh);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2)
}
.advantage::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../static/bg3.jpg') no-repeat center center;
    background-size: cover;
    opacity: 0.8;
}
.advantageTitle{
    position: absolute;
    top: 10%;
    left: 50%;
    transform: translate(-50%,0);
    display: none;
}
.advantageTitle h1:nth-child(1){
    font-size: clamp(1.5rem, 4.5vw, 3.125rem);
    color: #bde9f6;
    font-family: "Impact";
    z-index: 3;
    text-align: center;
}
.advantageTitle h1:nth-child(2){
    font-size: clamp(1.375rem, 4vw, 2.8125rem);
    font-weight: 700;
    color: #474747;
    font-family: "Impact";
    z-index: 5;
    text-align: center;
}
.advantageList{
    display: none;
}
.advantageBoxInner{
    padding: clamp(0.5rem, 1.5vw, 1.25rem);
    width: 80%;
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%,0);
    background-color: #3bb6d8;
    opacity: 0.8;
    display: flex;
    justify-content: space-around;
    color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}
.advantageBox div{
    color: #fff;
    border: 1px solid #fff;
    border-radius: 50%;
    padding: 0.625rem;
    width: clamp(3rem, 5vw, 6.25rem);
    height: clamp(3rem, 5vw, 6.25rem);
    margin: 0 auto;
    margin-bottom: 0.9375rem;
    cursor: pointer;
    transition: all 0.3s;
}
.advantageBox div img{
    margin: 8px auto;
    width: 80%;
}
.advantageBox h4{
    font-weight: 700;
    text-align: center;
}

.advantageBox:hover div{
    transform: scale(1.1);
}
.centerBanner{
    position: relative;
    background-image: url('../static/banner4.jpg');
    background-size: cover;
    background-position: 50% 50%;
    background-attachment: fixed;
    height: 25vw;
}

.productIntroduce{
    position: relative;
    /* height: 500px; */
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    padding-bottom: 4.125rem;
}

.productIntroduce::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../static/bg4.jpg') no-repeat center center;
    background-size: cover;
    opacity: 0.8;
}
.productIntroduceTitle{
    position: relative;
    padding-top: 3.125rem;
    height: 12.5rem;
}
.productIntroduceTitle h1:nth-child(1){
    font-size: clamp(1.5rem, 4.5vw, 3.125rem);
    color: #bde9f6;
    font-family: "Impact";
    z-index: 3;
    text-align: center;
}
.productIntroduceTitle h1:nth-child(2){
    font-size: clamp(1.375rem, 4vw, 2.8125rem);
    font-weight: 700;
    color: #474747;
    font-family: "Impact";
    z-index: 5;
    text-align: center;
}
.certifyInner1{
    background: linear-gradient(90deg, #0a2a3a, #2a6f8f, #5cb0d0)!important;
	box-shadow: 5px 8px 20px rgba(10, 42, 58, 0.35)!important;
    
    /* background-image: url('../static/beijing1.jpg')!important; */
}
.certifyInner1 img{
    width: 50%;
    position: absolute;
    top:50%;
    right: 10px;
    transform: translate(0,-50%);
}
.certifyInner1 div{
    width: 50%;
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translate(0,-50%);
    color: #fff;
}
.certifyInner1 div h1{
    text-align: center;
    font-weight: 700;
    margin-bottom: 20px;
}
.certifyInner1 div h3{
    text-align: center;
    font-weight: 700;
    margin-bottom: 40px;

}

.certifyInner1 div p{
    text-align: center;
}
.certifyInner2{
    background: linear-gradient(90deg, #2a1a3a, #5a3a7a, #a070c0)!important;
	box-shadow: 5px 8px 20px rgba(42, 26, 58, 0.35)!important;
    
    /* background-image: url('../static/beijing2.jpg')!important; */
}

.certifyInner2 img{
    width: 50%;
    position: absolute;
    top:50%;
    right: 10px;
    transform: translate(0,-50%);
}
.certifyInner2 div{
    width: 50%;
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translate(0,-50%);
    color: #fff;
}

.certifyInner2 div h1{
    text-align: center;
    font-weight: 700;
    margin-bottom: 20px;
}
.certifyInner2 div h3{
    text-align: center;
    font-weight: 700;
    margin-bottom: 40px;

}
.certifyInner2 div p{
    text-align: center;
}

.certifyInner3{
    background: linear-gradient(90deg, #1a2530, #3a5a70, #6a9ec0)!important;
	box-shadow: 5px 8px 20px rgba(26, 37, 48, 0.35)!important;
  
    /* background-image: url('../static/beijing3.jpg')!important; */
}

.certifyInner3 img{
    width: 50%;
    position: absolute;
    top:50%;
    left: 10px;
    transform: translate(0,-50%);
}
.certifyInner3 div{
    width: 55%;
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translate(0,-50%);
    color: #fff;
}
.certifyInner3 div h1{
    text-align: center;
    font-weight: 700;
    margin-bottom: 20px;
}
.certifyInner3 div h3{
    text-align: center;
    font-weight: 700;
    margin-bottom: 40px;
}
.certifyInner3 div p{
    text-align: center;
}

.certifyInner4{
    background: linear-gradient(90deg, #3a2518, #6a4a30, #c08a60)!important;
	box-shadow: 5px 8px 20px rgba(58, 37, 24, 0.35)!important;
  
    /* background-image: url('../static/beijing4.jpg')!important; */
}

.certifyInner4 img{
    width: 50%;
    position: absolute;
    top:50%;
    right: 10px;
    transform: translate(0,-50%);
}
.certifyInner4 div{
    width: 50%;
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translate(0,-50%);
    color: #fff;
}
.certifyInner4 div h1{
    text-align: center;
    font-weight: 700;
    margin-bottom: 20px;
}
.certifyInner4 div h3{
    text-align: center;
    font-weight: 700;
    margin-bottom: 40px;
}
.certifyInner4 div p{
    text-align: center;
}

.certifyInner5{
    background: 
        linear-gradient(135deg, #0F172A 0%, #1E293B 100%),
        repeating-linear-gradient(90deg, rgba(0, 255, 255, 0.03) 0px, rgba(0, 255, 255, 0.03) 1px, transparent 1px, transparent 40px),
        repeating-linear-gradient(0deg, rgba(0, 255, 255, 0.03) 0px, rgba(0, 255, 255, 0.03) 1px, transparent 1px, transparent 40px)!important;
    background-blend-mode: overlay!important;
    /* background-image: url('../static/beijing5.jpg')!important; */
}

.certifyInner5 img{
    width: 50%;
    position: absolute;
    top:50%;
    right: 10px;
    transform: translate(0,-50%);
}
.certifyInner5 div{
    width: 50%;
    position: absolute;
    top: 50%;
    left: 10px;
    transform: translate(0,-50%);
    color: #fff;
}
.certifyInner5 div h1{
    text-align: center;
    font-weight: 700;
    margin-bottom: 20px;
}

.certifyInner5 div h3{
    text-align: center;
    font-weight: 700;
    margin-bottom: 40px;

}
.certifyInner5 div p{
    text-align: center;
}

.productMore{
    width: clamp(10rem, 12vw, 13.75rem);
    height: clamp(2.5rem, 4vw, 3.25rem);
    overflow: hidden;
    position: absolute;
    bottom: 1.875rem;
    left: 50%;
    /* margin-left :-119px; */
    transform: translate(-50%,0);
    border:2px solid #1fa7cd;
    border-radius: 10px;
    -webkit-animation-delay:0.25s;
    animation-delay:0.25s;
    z-index: 99;
}
.productMore a{
    position: absolute;
    width: 100%;
    height: 100%;
    line-height: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    top: 0;
    text-align: center;
    z-index: 2;
    -webkit-transition:color 1.5s ;
    color: #1d84a1;
    font-weight: 700;
    text-decoration: none;
}
.productMore span{
    position: absolute;
    width: 0;
    height: 100%; 
    -webkit-transition:width 1s cubic-bezier(.83,.02,0,1);
    background-color: #1fa7cd
}
.productMore:hover a{
    text-decoration: none;
    color:white;
}
.productMore:hover span{
    width:100%;
}



/* .successCase{
    position: relative;
    height: 600px;
    display: flex;
    justify-content: space-between;
}

.successCase::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../static/bg5.jpg') no-repeat center center;
    background-size: cover;
    box-shadow: 0 6px 10px inset rgba(0, 0, 0, 0.2);
}

.successCaseTitle{
    position: relative;
    top: 10%;
    width: 30%;
}
.successCaseTitle h1:nth-child(1){
    font-size: 50px;
    color: #bde9f6;
    font-family: "Impact";
    z-index: 3;
    text-align: center;
}
.successCaseTitle h1:nth-child(2){
    font-size: 45px;
    font-weight: 700;
    color: #fff;
    font-family: "Impact";
    z-index: 5;
    text-align: center;
}

.successCaseMore{
    position: absolute;
    left: 50%;
    transform: translate(-50%,0);
}
.successCaseMore .check{
    box-sizing: border-box;
    color: #0a4e8d;
    cursor: pointer;
    display: inline-block;
    font-family: FreightSansPro-Book, Verdana, sans-serif;
    font-size: 1.125rem;
    font-stretch: 100%;
    font-style: normal;
    font-weight: 500;
    letter-spacing: 0.75px;
    line-height: 1.5rem;
    padding-bottom: 0px;
    padding-left: 0px;
    padding-right: 0px;
    padding-top: 1.875rem;
    position: relative;
    text-align: center;
    text-decoration: none;
    text-decoration-color: rgb(74, 74, 74);
    text-decoration-line: none;
    text-decoration-style: solid;
    -moz-user-select: auto;
}
.successCaseMore .check span{
    display: inline-block;
    width:100%;
    height: 2px;
    background-color:rgb(34, 116, 205);
    transform: translate3d(-50%,0,0);
    transition-duration: 0.5s;
    position: absolute;
    top: 3.75rem;
    left: 50%;

}
.successCaseMore .check:hover span{
    width:50%;
}

.successCaseList{
    width: 70%;
    z-index: 5;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.successCaseChoose{
    margin-top: 30px;
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.successCaseChoose .chooseItem{
    position: relative;
    height: 45px;
    line-height: 45px;
    padding: 0 44px 0 18px;
    color: rgba(255,255,255,.96);
    font-weight: 700;
    width: 23%;
    background:
        linear-gradient(180deg, rgba(6,10,22,.88), rgba(6,10,22,.62)),
        radial-gradient(900px 120px at 15% 50%, rgba(59,101,238,.22), transparent 58%),
        radial-gradient(900px 120px at 85% 50%, rgba(0,255,255,.12), transparent 60%);
    box-shadow:
        0 12px 34px rgba(0,0,0,.55),
        inset 0 1px 0 rgba(255,255,255,.10);
    border-radius: 999px;
    border: 1px solid rgba(0, 255, 255, .26);
    margin-right: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    transform: translateZ(0);
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, color .22s ease, background .22s ease;
}
.successCaseChoose .activeItem{
    color: rgba(255,255,255,1);
    border-color: rgba(0, 255, 255, .78);
    background:
        linear-gradient(135deg, rgba(0,255,255,.26), rgba(59,101,238,.30)),
        linear-gradient(180deg, rgba(6,10,22,.92), rgba(6,10,22,.60));
    box-shadow:
        0 18px 48px rgba(0,0,0,.62),
        0 0 0 1px rgba(0,255,255,.26),
        0 0 34px rgba(0,255,255,.30);
}
.successCaseChoose .chooseItem img{
    width: 30px;
    position: absolute;
    top: 50%;
    right: 10px;
    transform: translate(0,-50%);
    display: block;
    opacity: 0;
    filter: drop-shadow(0 0 10px rgba(0,255,255,.35));
    transition: opacity .18s ease, transform .18s ease;
}
.successCaseChoose .chooseItem:hover{
    cursor: pointer;
    transform: translateY(-2px);
    border-color: rgba(0, 255, 255, .48);
    box-shadow:
        0 20px 56px rgba(0,0,0,.68),
        inset 0 1px 0 rgba(255,255,255,.12);
}
.successCaseChoose .chooseItem:hover img{
    opacity: 1;
    transform: translate(0,-50%) translateX(2px);
}

.successCaseChoose .chooseItem::before{
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
        repeating-linear-gradient(
            90deg,
            rgba(0,255,255,.08) 0px,
            rgba(0,255,255,.08) 1px,
            transparent 1px,
            transparent 18px
        );
    opacity: .22;
    mix-blend-mode: overlay;
}

.successCaseChoose .chooseItem::after{
    content: "";
    position: absolute;
    inset: -2px;
    pointer-events: none;
    background: radial-gradient(420px 90px at 25% 50%, rgba(0,255,255,.36), transparent 62%);
    opacity: 0;
    transition: opacity .22s ease;
}

.successCaseChoose .chooseItem:hover::after,
.successCaseChoose .chooseItem.activeItem::after{
    opacity: 1;
}

.successCaseChoose .chooseItem:focus-visible{
    outline: none;
    box-shadow:
        0 18px 46px rgba(0,0,0,.44),
        0 0 0 3px rgba(0,255,255,.22);
}

@media (prefers-reduced-motion: reduce){
    .successCaseChoose .chooseItem,
    .successCaseChoose .chooseItem img{
        transition: none;
    }
}


.successCaseMain{
    position: relative;
    height: 68%;
    width: 96%;
    z-index: 5;
    background-color: #fff;
    border-radius: 5px;
}
.activeCase{
    opacity: 1!important;
    z-index: 20;
}
.successCaseMain .case{
    position: absolute;
    top: 0;
    left: 0;
    border-radius: 5px;
    height: 100%;
    width: 100%;
    background-color: #fff;
    box-shadow: 5px 5px 10px rgba(58, 37, 24, 0.8);
    transition: all .3s ease-in-out;
    opacity: 0;
    display: flex;
    justify-content: space-between;
}
.successCaseMain .caseInfo{
    position: relative;
    padding: 15px;

    width: 50%;

}
.successCaseMain .caseInfo h1{
    font-size: 36px;
    font-family: 'alima';
    padding-bottom: 12px;
    color: #0f3d53;
    border-bottom: 4px dashed #2583da;
    margin-bottom: 25px;
}
.successCaseMain .caseInfo p{
    font-family: 'zcool';
}
.successCaseMain .caseInfoMore{
    position: absolute;
    bottom: 20px;
    left: 20px;
    padding: 5px 10px;
    background: radial-gradient(1200px 500px at 20% 10%, rgba(28, 87, 123, 0.5), transparent 55%),
		radial-gradient(1000px 520px at 80% 0%, rgba(23, 113, 56, 0.5), transparent 60%),
		linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,0));
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.1rem;
    box-shadow: 0px 3px 5px 0px #0a2a3a;
    cursor: pointer;
    transition: transform 0.2s ;
}
.successCaseMain .caseInfoMore:hover{
    transform: translateX(5px);
}
.successCaseMain .caseImg{
    width: 50%;
}
.successCaseMain .caseImg img{
    height: 100%;
    width: 100%;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
}
.successCaseMain .activeItem{
    display: block;
} */

.successCase{
    position: relative;
    min-height: max(25rem, 55vh);
    display: flex;
    justify-content: space-between;
}

.successCase::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../static/bg5.jpg') no-repeat center center;
    background-size: cover;
    box-shadow: 0 6px 10px inset rgba(0, 0, 0, 0.2);
}

.successCaseTitle{
    position: relative;
    top: 10%;
    width: 35%;
}
.successCaseTitle h1:nth-child(1){
    font-size: clamp(1.5rem, 4.5vw, 3.125rem);
    color: #bde9f6;
    font-family: "Impact";
    z-index: 3;
    text-align: center;
}
.successCaseTitle h1:nth-child(2){
    font-size: clamp(1.375rem, 4vw, 2.8125rem);
    font-weight: 700;
    color: #fff;
    font-family: "Impact";
    z-index: 5;
    text-align: center;
}

.successCaseMore{
    position: absolute;
    left: 50%;
    transform: translate(-50%,0);
}
.successCaseMore .check{
    box-sizing: border-box;
    color: #0a4e8d;
    cursor: pointer;
    display: inline-block;
    font-family: FreightSansPro-Book, Verdana, sans-serif;
    font-size: 1.125rem;
    font-stretch: 100%;
    font-style: normal;
    font-weight: 500;
    letter-spacing: 0.75px;
    line-height: 1.5rem;
    padding-bottom: 0px;
    padding-left: 0px;
    padding-right: 0px;
    padding-top: 1.875rem;
    position: relative;
    text-align: center;
    text-decoration: none;
    text-decoration-color: rgb(74, 74, 74);
    text-decoration-line: none;
    text-decoration-style: solid;
    -moz-user-select: auto;
}
.successCaseMore .check span{
    display: inline-block;
    width:100%;
    height: 2px;
    background-color:rgb(34, 116, 205);
    transform: translate3d(-50%,0,0);
    transition-duration: 0.5s;
    position: absolute;
    top: 3.75rem;
    left: 50%;

}
.successCaseMore .check:hover span{
    width:50%;
}

.successCaseList{
    width: 65%;
    z-index: 5;
    display: flex;
    justify-content: space-between;
}
.successCaseMain{
    margin-top: 1.5625rem;
    position: relative;
    height: 90%;
    width: 65%;
    z-index: 5;
}
.activeCase{
    opacity: 1!important;
    z-index: 20;
}
.successCaseMain .case1{
    border-radius: 20px;
    height: 100%;
    width: 100%;
    background: url('../static/case1.jpg') no-repeat center center;
    background-size: 140%;
    transition: all .3s ease-in-out;
    opacity: 0;
}
.case1:hover{
    background-size: 150%;
    cursor: pointer;
}
.successCaseMain .case2{
    border-radius: 20px;
    height: 100%;
    width: 100%;
    background: url('../static/case2.jpg') no-repeat center center;
    background-size: 160%;
    transition: all .3s ease-in-out;
    opacity: 0;
}
.case2:hover{
    background-size: 170%;
    cursor: pointer;
}
.successCaseMain .case3{
    border-radius: 20px;
    height: 100%;
    width: 100%;
    background: url('../static/case3.jpg') no-repeat center center;
    background-size: 150%;
    transition: all .3s ease-in-out;
    opacity: 0;
}

.case3:hover{
    background-size: 160%;
    cursor: pointer;
}
.successCaseMain .case4{
    border-radius: 20px;
    height: 100%;
    width: 100%;
    background: url('../static/case4.png') no-repeat center center;
    background-size: 140%;
    transition: all .3s ease-in-out;
    opacity: 0;
}
.case4:hover{
    background-size: 150%;
    cursor: pointer;
}
.successCaseMain .case5{
    border-radius: 20px;
    height: 100%;
    width: 100%;
    background: url('../static/case5.jpg') no-repeat center center;
    background-size: 120%;
    transition: all .3s ease-in-out;
    opacity: 0;
}
.case5:hover{
    background-size: 130%;
    cursor: pointer;
}


.successCaseMain div{
    position: absolute;
    bottom: 0;
    left: 0;
    margin-bottom: 0;
    border-bottom-left-radius: 1.25rem;
    border-bottom-right-radius: 1.25rem;
    width: 100%;
    height: 6.25rem;
    padding:0.625rem;
    background-color: rgba(0, 0, 0, 0.7);
}
.successCaseMain div p:nth-child(1){
    color: #fff;
    font-size: clamp(0.875rem, 2vw, 1.5625rem);
    font-weight: 600;
}
.successCaseMain div p:nth-child(2){
    font-size: clamp(0.7rem, 1.2vw, 1rem);
    color: #fff;
}
.successCaseMain .activeItem{
    display: block;
}
.successCaseChoose{
    margin-left: clamp(0.5rem, 1.5vw, 1.875rem);
    margin-top: 1.875rem;
    width: 35%;
}

.successCaseChoose .chooseItem{
    position: relative;
    height: 2.8125rem;
    line-height: 2.8125rem;
    padding-left: 1.25rem;
    color: #fff;
    font-weight: 700;
    width: 90%;
    background-color: #3b65ee;
    box-shadow: 5px 5px 10px #0d0d0d;
    border-radius: 1.875rem;
    margin-bottom: clamp(1rem, 3vh, 3.125rem);
}
.successCaseChoose .activeItem{
    color: #3b65ee;
    background-color: #fff;
}
.successCaseChoose .chooseItem img{
    width: 1.875rem;
    position: absolute;
    top: 50%;
    right: 0.625rem;
    transform: translate(0,-50%);
    display: none;
}
.successCaseChoose .chooseItem:hover{
    cursor: pointer;
}
.successCaseChoose .chooseItem:hover img{
    display: block;
}




.news{
    position: relative;
    padding: clamp(1.25rem, 4vw, 4.375rem);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2)
    /* height: 500px; */
}

.news::before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('../static/bg6.jpg') no-repeat center center;
    background-size: cover;
    opacity: 0.8;
}
.newsTitle{
    position: relative;
    height: 12.5rem;
}
.newsTitle h1:nth-child(1){
    font-size: clamp(1.5rem, 4.5vw, 3.125rem);
    color: #bde9f6;
    font-family: "Impact";
    z-index: 3;
    text-align: center;
}
.newsTitle h1:nth-child(2){
    font-size: clamp(1.375rem, 4vw, 2.8125rem);
    font-weight: 700;
    color: #474747;
    font-family: "Impact";
    z-index: 5;
    text-align: center;
}
.newsTitle .successCaseMore{
    transform: translate(-50%, -1.25rem);
}
.newsList{
    position: relative;
    display: flex;
    justify-content: space-between;
}
.newsList .news1,.newsList .news2,.newsList .news3{
    position: relative;
    height: clamp(14rem, 35vh, 31.25rem);
    width: 32%;
    background-color: #fff;
}
.newsList .news1:hover,.newsList .news2:hover,.newsList .news3:hover{
    cursor: pointer;
}
.newsList .news1:hover img{
    transform: scale(0.98);
}
.newsList .news2:hover img{
    transform: scale(0.98);
}
.newsList .news3:hover img{
    transform: scale(0.98);
}
.newsList .news1 img,.newsList .news2 img,.newsList .news3 img{
    width: 100%;
    height: auto;
    max-height: 60%;
    object-fit: cover;
    transition: all .3s;
}


.newsInner{
    /* position: absolute; */
    /* bottom: 0; */
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    height: 40%;
    width: 100%;
    padding: 0.625rem;
}
.newsInner div{
    /* height: 3.125rem; */
}
.newsInner div h1:nth-child(1){
    font-size: clamp(0.875rem, 2vw, 1.25rem);
    font-weight: 700;
    /* float: left; */
}
.newsInner div p:nth-child(2){
    font-size: clamp(0.7rem, 1.5vw, 0.9375rem);
    float: right;
}
.newsInner .newsDetail{
    margin-bottom:0 ;
    font-size: clamp(0.7rem, 1.2vw, 0.875rem);
}


.news3 .news3Inner{
    height: 46%;
    width: 100%;
    background-color: #fff;
    display: flex;
    justify-content: space-between;
}

.newsList .news3Inner1:hover{
    cursor: pointer;
}
.newsList .news3Inner2:hover{
    cursor: pointer;
}
.newsList .news3Inner1:hover img{
    transform: scale(0.98);
}
.newsList .news3Inner2:hover img{
    transform: scale(0.98);
}

.news3Inner img{
    width: 53%;
    transition: all .3s;
}
.news3Inner div{
    padding: 0.625rem;
    width: 45%;
}
.news3Inner div h5{
    font-size: clamp(0.7rem, 1.2vw, 1rem);
    font-weight: 700;
    margin-bottom: .875rem;
}
.news3Inner div p{
    font-size: clamp(0.7rem, 1.2vw, 0.875rem);
}

.fastLink .followUs{
    width: 13%;
    color: #fff;
  }
  .fastLink .followUs .qrCode{
    width: clamp(6rem, 10vw, 9.375rem);
    height: auto;
    aspect-ratio: 1;
    background: url('../static/qrBack.png');
    background-size: 100% 100%;
    margin-top: 1.875rem;
    padding-left: 0.9375rem;
    padding-top: 0.9375rem;
  }
  .fastLink .followUs .qrCode .qrCodeImg{
    width: 100%;
    height: auto;
    max-width: 7.5rem;

  }
  .fastLink .followUs p{
    font-size: clamp(0.7rem, 1.2vw, 0.875rem);
    margin-top: 1.25rem;
  }