.box {
    max-width: 1920px;
    width: 100%;
    padding: 0 13.54%;
    margin: 0 auto;
    position: relative;
    -webkit-transition: all .4s cubic-bezier(.4, 0, .2, 1);
    -moz-transition: all .4s cubic-bezier(.4, 0, .2, 1);
    transition: all .4s cubic-bezier(.4, 0, .2, 1);
    box-sizing: border-box;
}

.a2_b2 {
    margin-top: 5rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
    position: absolute;
}

@media (max-width: 1280px) {
    .a2_b2 {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}



.a2_b2 li {
    text-align: center;
    padding: 2rem 4rem;
    background: #fff;
    border-radius: 0.875rem;
    opacity: 0.9;
}


.a2_b2 li i {
    display: block;
    font-size: 0;
    width: 5.75rem;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .a2_b2 li i {
        width: 3.25rem;
    }
}

.a2_b2 li i img {
    width: 100%;
}

.a2_b2 li p {
    color: #3E3A39;
    font-size: 1.125rem;
    line-height: 1.5em;
    font-weight: 100;
    margin-top: 1.25rem;
}
@media (max-width: 768px) {
    .a2_b2 li p {margin-top: 1rem;    font-size: 0.8rem;
        line-height: 1.0em;}
}
.a2_b2 li.on { background: var(--color-zt);}
.a2_b2 li.on i img {
    -webkit-filter: brightness(0) invert(1);
    filter: brightness(0) invert(1);}
.a2_b2 li.on p {color: #fff;}

/* 技术研发 */

.indRD{background: url('{avatar:sitetplpath}/static/image/indRD-bg.jpg') no-repeat center/cover;}
.pb90 {padding-bottom: 90px;}
.pt90 {padding-top: 90px;}
.section {width: 100%;position: relative;overflow: hidden;}
.indRD-swp{width: 92%;margin: 0 auto;}
.indRD-swp .swiper-container{overflow: visible;}
.indRD-img{position: relative;}
.indRD-img img{width: 100%;height: 590px;}
.indRD-con{position: absolute;left: 0;top: 0;width: 100%;height: 100%;align-items: center;padding: 0 56px;}
.indRD-desc{opacity: 0;transform: translateX(50%);transition: all 1.5s ease;}
.swiper-slide-active .indRD-desc{opacity: 1;transform: translateX(0);transition-delay: .4s;}
.indRD-desc::after{content: "";position: absolute;right: calc(100% - 10px);transition: all .4s ease; top: 50%;transform: translateY(-50%);width: 20px;height: 95%;background: #981115;border-radius: 20px 0 0 20px;}
.indRD-desc .box{transition: all .4s ease; position: relative;z-index: 2; width: 670px;height: 310px;border-radius: 20px;background: rgba(255, 255, 255, .9);display: flex;flex-direction: column;justify-content: center;padding: 0 40px;}
.indRD-desc .more{align-items: center;}
.indRD-desc .more i{display: flex;align-items: center;transform: rotate(180deg);margin-left: 7px;font-size: 11px;transition: all .4s ease;}
.indRD-desc:hover .box{background: #fff;transform: translateX(4px);}
.indRD-desc:hover .more i{margin-left: 15px;}
.indRD-desc:hover::after{width: 24px;}
.indRD-btn{z-index: 2; position: absolute;left: -50px;top: 50%;transform: translateY(-50%);width: 30px;height: 30px;user-select: none;cursor: pointer;font-size: 20px;}
.indRD-btn.next{left: auto;}
.indRD-btn:hover{color: #fff;}
.contain {width: 1440px;}
.contain-1600, .contain-1400, .contain { margin: 0 auto;}
.comTitle .title {font-weight: bold;font-size: 2.708vw;text-align: center;}
.indRD-con { position: absolute;left: 0;top: 0;width: 100%;height: 100%;align-items: center;padding: 0 56px;display: flex;flex-wrap: wrap}
.mt80 { margin-top: 80px;}
.center{text-align: center;}
.fs16{font-size: 18px; margin-top: 12px;text-align: center;}
.fs28{font-size: 28px;font-weight: 500;}
.lh24.lmm4{max-height: 96px;text-align: left;font-size: 16px;}
.mt30{margin-top: 30px;}
.rd20{border-radius: 20px;overflow: hidden;}
@media (max-width: 1590px) {
    .contain-1600, .contain {width: 1200px;}
}
@media (max-width: 1270px) {
    .contain-1600, .contain {width: 960px;}
}
@media (max-width: 1100px) {
.contain-1600, .contain {width: 92%;}
.indRD-desc .box{width: 400px;height: 100%;}
.mt30 {margin-top: 70px;}
.lh24.lmm4 {max-height: 100%;}
.indRD-desc .box {padding: 40px 40px;}
}

/* 导航按钮样式 */
.indRD-btn {
    position: absolute;
    top: 60%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.indRD-btn:hover {
    background: #ff383e;
    /*transform: translateY(-50%);*/
}

.indRD-btn img {
    width: 30px;
    height: 30px;
}

.prev {
    left: 12.8%;
}

.next {
    right: 12.8%;
}

/* 移动端隐藏箭头 */
@media (max-width: 767px) {
    .indRD-btn {
        display: none;
    }
}









.swiper1 .swiper-slide .sbox {
    position: relative;
    overflow: hidden;
    width: 100%;
    display: block;
}

.swiper1 .swiper-slide .sbox .mimg {
    display: none;
}

.swiper1 .swiper-slide .sbox .pimg {
    display: block;
    width: 100%;
    object-fit: cover;
    height: 100%;
}

.swiper1 .swiper-slide .sbox video {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    object-fit: cover;
}

.swiper1 .swiper-slide .sbox .txt {
    position: absolute;
    width: 100%;
    left: 0;
    top: 50%;
    padding-top: 200px;
    z-index: 3;
    color: #fff;
    z-index: 3;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    letter-spacing: 2px;
    opacity: 0;
}

.swiper1 .swiper-slide .sbox .txt .tc {
    margin: 40px 0 0;
}

.swiper1 .fd {
    width: 100%;
    position: absolute;
    left: 0;
    bottom: 65px;
    z-index: 5;
}

.swiper1 .fd .fox {
    position: relative;
    height: 45px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    align-content: center;
}

.swiper1 .fd .fox .jd {
    width: calc(100% - 120px);
    height: 2px;
    background: #fff;
}

.swiper1 .fd .fox .anniu {
    width: 100px;
    display: flex;
    justify-content: space-between;
}

.swiper1 .fd .fox .anniu .btn {
    display: block;
    width: 45px;
    height: 45px;
    background: url(../image/jt_b.png) center no-repeat;
    border-radius: 50%;
    cursor: pointer;
}

.swiper1 .fd .fox .anniu .btn:hover {
    background: #e40012 url(../image/jt_b.png) center no-repeat;
}

.swiper1 .fd .fox .anniu .prev1 {
    transform: rotate(180deg);
    -webkit-transform: rotate(180deg);
}

.swiper1 .swiper-slide-active .sbox .txt {
    padding-top: 0px;
    opacity: 1;
    transition-delay: .5s;
    -webkit-transition-delay: .5s;
}

.swiper1 .fd .fox .jd s {
    display: block;
    width: 0%;
    height: 100%;
    background: #e40012;
}

.swiper1 .fd .fox .jd s.act {
    width: 100%;
    -webkit-transition: all 6s linear;
    -moz-transition: all 6s linear;
    transition: all 6s linear;
}

.swiper1.one-swiping .fd {
    display: none;
}



.i5 {
    padding: 100px 0;
    background: #eef2f6 url(../image/in_4.jpg) center no-repeat;
    background-size: cover;
    text-align: center;
}

.i5 .tc {
    line-height: 26px;
    position: relative;
    z-index: 3;
    font-size: 18px;
}

.i5 .tt {
    position: relative;
    z-index: 3;
    font-size: 2.708vw;
    font-weight: bold;
}

.i5 .swiper3 {
    margin-top: 70px;
    padding-bottom: 50px;
}

.i5 .swiper3 .swiper-slide {}

.i5 .swiper3 .swiper-slide .ul1 {
    display: block;
    text-align: center;
}

.i5 .swiper3 .swiper-slide .ul1 li {
    display: inline-block;
    position: relative;
    width: 14.5%;
    margin: 0 0.7%;
    cursor: pointer;
    overflow: hidden;
}

.i5 .swiper3 .swiper-slide .ul1 li .bg {
    position: relative;
    width: 100%;
    z-index: 2;
}

.i5 .swiper3 .swiper-slide .ul1 li .bg img {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
}

.i5 .swiper3 .swiper-slide .ul1 li .bg img:nth-child(2) {
    position: absolute;
    z-index: 3;
    opacity: 0;
}

.i5 .swiper3 .swiper-slide .ul1 li .lg {
    width: 100%;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    z-index: 2;
}

.i5 .swiper3 .swiper-slide .ul1 li .lg img {
    width: 80%;
    margin: 0 auto;
}

.i5 .swiper3 .swiper-slide .ul1 li .txt {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    align-content: center;
    position: absolute;
    left: 0;
    top: 0;
    z-index: 2;
    color: #fff;
    flex-wrap: wrap;
    opacity: 0;
}

.i5 .swiper3 .swiper-slide .ul1 li .txt s {
    display: block;
    width: 0px;
    margin: 20px auto;
    height: 1px;
    background: #fff;
}

.i5 .swiper3 .swiper-slide .ul1 li .txt .wz {
    width: 100%;
}

.i5 .swiper3 .swiper-slide .ul1 li:hover .lg {
    opacity: 0;
    left: 100%;
}

.i5 .swiper3 .swiper-slide .ul1 li:hover .bg img:nth-child(2) {
    opacity: 1;
    transition-delay: .1s;
    -webkit-transition-delay: .1s;
}

.i5 .swiper3 .swiper-slide .ul1 li:hover .txt {
    opacity: 1;
    transition-delay: .1s;
    -webkit-transition-delay: .1s;
}

.i5 .swiper3 .swiper-slide .ul1 li:hover .txt s {
    width: 50px;
    transition-delay: .2s;
    -webkit-transition-delay: .2s;
}

.i5 .swiper3 .swiper-slide .ul1 li:nth-child(n+7) {
    margin-top: -3%;
    margin-left: 1.4%;
}


.i5 .swiper3 .pagination3 span.swiper-pagination-bullet-active {
    background: #d61518;
}

.i5 .swiper3.one-swiping .pagination3 {
    display: none;
}
.swiper-button-disabled {
    display: none !important;
}


@media(max-width:960px) {
    .pros5 .swp .ss .wmc {
        width: 120px;
    }
    .swiper1 .swiper-slide .sbox {
        background: #000;
    }
    .swiper1 .swiper-slide .sbox video {
        display: none;
    }
    .swiper1 .swiper-slide .sbox .pimg {
        display: none;
    }
    .swiper1 .swiper-slide .sbox .mimg {
        display: block;
        opacity: 1;
    }
    .swiper1 .fd .fox .anniu {
        display: none;
    }
    .swiper1 .fd {
        bottom: 0;
    }
    .swiper1 .fd .fox .jd {
        width: 100%;
    }
    .swiper1 .swiper-slide .sbox .txt .tc {
        margin-top: 20px;
    }
    .i5 .ditu {
        margin-top: 0;
    }
    .i5 .ditu .ul1 li .ico {
        width: 60px;
        margin-left: -30px;
        bottom: 0px;
        opacity: 0.2;
    }
    .i5 .ditu .ul1 li s {
        width: 20px;
        height: 20px;
        margin-top: -10px;
        margin-left: -10px;
    }
    .i5 .ditu .ul1 li .wz {
        font-size: 12px;
        top: 10px;
        width: 50px;
        margin-left: -25px;
        transform: scale(0.6);
        -webkit-transform: scale(0.6);
    }
    .i5 .ibtm {
        padding: 0;
        width: 90%;
        margin: 0 auto;
        overflow: hidden;
    }
    .i5 .swiper3 {
        margin-top: 20px;
    }
    .i5 .swiper3 .swiper-slide .ul1 li .txt {
        display: none;
    }
    .i5 .swiper3 .swiper-slide .ul1 li:hover .lg {
        opacity: 1;
        left: 0%;
    }
    .i5 .swiper3 .swiper-slide .ul1 li:hover .bg img:nth-child(2) {
        opacity: 0;
    }
    .i5 .swiper3 .swiper-slide .ul1 li:hover .txt {
        opacity: 0;
    }
    .i5 .swiper3 .swiper-slide .ul1 li .txt s {
        display: none;
    }
    
}


@media (max-width: 768px) {
    .a2_b2 {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    .a2_b2 li {
        border-radius: 1rem;
        padding: 0.5rem 1rem;
    }
    .box {
        padding: 0;
    }

    .i5 {
        padding: 50px 0;
    }
    .i5 .tt {
        font-size: 20px;
        font-weight: bold;
    }
    .i5 .tc {
        font-size: 16px;
        padding: 15px;
    }

    .footerBg .footer .footerModule {
        display: flex;
        flex-direction: column;
    }

    .footerBg .footer .footerCopyright {
        display: block;
    }

    .indRD-desc .box {
        width: 320px;
        height: 100%;
    }
    .lh24.lmm4 {
        font-size: 14px;
    }
    .indRD-con {
        padding: 0 25px;
    }
    .indRD .text {
        font-size: 14px;
    }
    .indRD .title {
        font-size: 20px;
    }
    .dj  {
        width: 100%;
    }
    .dj a {
        font-size: 14px;
        color: #fff;
        font-weight: bold;
    }

    .ServiceHotline ul li {
        padding: 20px 0;
        margin: 0 10%;
    }
}