@charset "utf-8";
body {
    padding-top: 0;
}

*:focus {
    outline: none;
}



.logo-b {
    display: none;
}



._fixed .logo-a {
    display: none;
}

._fixed .logo-b {
    display: block;
}
.index-banner .swiper-slide {
    height: 100vh;
}

.index-video {
    width: 100%;
    height: 100%;
    position: relative;
}
.index-video:before{
    content: '';
    position: absolute;
    width:100%;
    height: 100%;
    top:0;
   
    z-index: 2;
}
.index-banner .index-video:before{
     background: rgba(0,0,0,.3);
}
.index-video video {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    object-fit: fill;
}

.index-banner .swiper-slide .mask {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 999;
    color: #fff;
    font-size: 16px;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.index-banner .swiper-slide .mask .x-width{
    text-align: center;
}
.index-banner .swiper-slide .mask .t0, .index-banner .swiper-slide .mask .t1,.index-banner .swiper-slide .mask .t2 {
    font-size: 48px;
    text-shadow: 0 0 5px #333;
    position: relative;
    margin-bottom: 0;
    font-weight: 400;
}

.index-banner .swiper-slide .mask .t0 {
    margin-bottom: 0;
}



.index-banner .swiper-slide .bg {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.banner-nav {
    width: 100%;
    text-align: center;

    position: relative;
}

.banner-nav .slide-prev, .banner-nav .slide-next {
    /*display: none;*/
    width: 48px;
    height: 48px;
    border-radius: 50%;
    text-align: center;
    font-size: 14px;
    color: #fff;
    line-height: 48px;
    border: 1px solid #fff;
    cursor: pointer;
    transition: all .3s;
}

.banner-nav .slide-prev {
    position: absolute;
    left: 240px;
    top: 0;
}

.banner-nav .slide-next {
    position: absolute;
    left: 300px;
    right: auto;
    top: 0;
}

.banner-nav .slide-prev:hover, .banner-nav .slide-next:hover {
    background-color: #fff;
    color: #333;
}

.banner-nav.active .slide-prev, .banner-nav.active .slide-next {
    display: block;
}

.more-link-a {
    display: inline-block;
    min-width: 12em;
    height: 3em;
    line-height: 3em;
    text-align: center;
    border-radius: 1.5em;
    font-size: 16px;
    color: #333;
    margin-top: 20px;
    background-color: #fff;
    transition: all .3s;
    box-shadow: 0 0 10px #ccc;
}

.more-link-a:hover {
    background-color: var(--web-color);
    color: #fff;
}
.more-link-b{
    display: inline-block;
    min-width: 12em;
    height: 3em;
    margin: 0 10px;
    line-height: 3em;
    text-align: center;
    border-radius: 1.5em;
    font-size: 16px;
    border: 1px solid #ccc;
    transition: all .3s;
}
.more-link-b:hover{
    background-color: var(--web-color);
    border-color: var(--web-color);
    color: #fff;
}
.index-banner .mask .content .t1, .index-banner .mask .content .t2 {
    font-size: 48px;
}

.index-banner .mask .content .t3 {
    margin-top: 30px;
}

.index-banner .mask .content ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.index-banner .mask .content ul li {
    width: 30%;
    line-height: 30px;
    margin-bottom: 10px;
}

.index-banner .mask .content ul li p {
    font-size: 18px;
}

.index-banner .mask h1 {
    font-size: 3vw;
}

.index-banner .mask p {
    font-size: 1.3vw;
}

#index-advantage0 {
    background: #fff;
    position: relative;

}

#index-advantage0 .width {
    position: relative;
}

#index-advantage0 .x-content {
    position: relative;
    display: flex;
    justify-content: flex-end;
}


#index-advantage0 .x-bg ul {
    position: relative;

    display: flex;
    justify-content: space-between;
    z-index: 5;
}

.index-div {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
}

#index-advantage0 li {
    width: 24.5%;
    margin: 0.25% 0;
    text-align: center;
    position: relative;
    -webkit-perspective: 1000px;
    -moz-perspective: 1000px;
    -ms-perspective: 1000px;
    perspective: 1000px;
    cursor: pointer;
    background: #f5f5f5;
}

#index-advantage0 li img {
    max-width: 100px;
    margin-bottom: 10px;
}

#index-advantage0 li .box-img {
    padding: 40px;
    transform: rotateY(0);
    transition: all 0.50s ease-in-out 0s;
}

#index-advantage0 li .box-content {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background: var(--web-color);
    color: #fff;
    padding: 40px 20px;
    opacity: 0.8;
    filter: alpha(opacity=80);
    transform: rotateY(90deg);
    transition: all 0.50s ease-in-out 0s;
    overflow: hidden;
}

#index-advantage0 li .box-content .t1 {
    font-size: 24px;
    margin-bottom: 20px;
}

#index-advantage0 li .box-content .t2 {
    text-align: left;
}

#index-advantage0 li:hover .box-img {
    transform: rotateY(-90deg);
}

#index-advantage0 li:hover .box-content {
    transform: rotateY(0);
}

#index-contact {

    min-height: 700px;
    position: relative;
    color: #fff;
    padding: 200px 0;
}

#index-contact .waves {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
}
#index-contact .x-width{
    position: relative;
    z-index: 2;
}
#index-contact li a{
    display: inline-block;
    border: 1px solid #fff;
    color: #fff;
    line-height: 60px;
    padding: 0 30px;
    text-align: center;
    margin: 20px 20px 40px 0;
    transition: all .3s;
}
#index-contact li a:hover{
    background-color: #fff;
    color: var(--web-color);
}
#index-contact li img{
    padding: 0 40px;

}
#index-contact li .info{
    width: 400px;
    height: 70px;
    margin-top: 10px;
    line-height: 70px;
    padding: 0 30px;
    font-size: 24px;
    background: -webkit-linear-gradient(left,rgba(255,255,255,.3),rgba(255,255,255,0));
    background: -o-linear-gradient(right,rgba(255,255,255,.3),rgba(255,255,255,0));
    background: -moz-linear-gradient(right,rgba(255,255,255,.3),rgba(255,255,255,0));
    background: linear-gradient(to right,rgba(255,255,255,.3),rgba(255,255,255,0));
}
#index-contact li .info span{
    font-size: 24px;
}
#index-case li{
    margin-bottom: 2%;
}

#index-case .x-main-title{
    text-align: center;
}
.case-nav{
    text-align: center;
    margin: 60px auto 40px;
}
#index-case li p{
    background-color: #eee;
    line-height: 45px;
    text-align: center;
    padding: 0 15px;
}
#index-hezuo{
    background: #fff url('../images/index5-bg.jpg') 0 0 no-repeat fixed;
    padding-bottom: 60px;
    text-align: center;
    color: #fff;
}
#index-hezuo ul {
    margin-top: 60px;
}

#index-hezuo li span {
    font-size: 40px;
    display: block;
}

#index-hezuo .more-link {
    margin-top: 40px;
}

@media screen and (max-width: 1200px) {
    #index-contact{
        padding: 60px 0;
    }
    #index-contact li{
        text-align: center;
    }
    #index-contact li a{
        height: 40px;
        line-height: 40px;
    }
    #index-contact li .info{
        background: transparent;
        text-align: center;
        margin-top: 0;
        line-height: 50px;
        width: 100%;
        padding: 0;
    }
    #index-contact li img{
        margin-top: 30px;
    }
    #index-advantage0 li img {
        max-width: 80px;
    }

    #index-advantage0 li .box-content .t1 {
        margin-bottom: 10px;
    }
}

@media screen and (max-width: 992px) {
    body {
        padding-top: 60px;

    }
    #index-contact{
        min-height: 400px;
    }
    .index-video video {
        display: none;
    }

    .index-banner .mask p {
        display: none;
    }

    .index-banner .mask h1 {
        font-size: 24px;
        text-align: center;
    }

    .index-banner .swiper-slide {
        height: auto;
    }

    .index-banner .swiper-slide .index-video {
        position: relative;
        width: 100%;
        height: 0;
        padding-top: 66.666%;
    }

    .index-banner .swiper-slide img {
        max-width: 100%;
        height: auto;
    }

    .index-banner .swiper-slide .mask .t0 {
        font-size: 33px;
        line-height: 40px;
        padding-bottom: 0;
        margin-bottom: 8px;
    }

    .index-banner .swiper-slide .mask .t1, .index-banner .swiper-slide .mask .t2 {
        width: 100%;
        font-size: 5.5vw;
        line-height: 1.3;
        text-align: center;
    }

    .index-banner .swiper-slide .mask {
        font-size: 14px;
        display: flex;
        align-items: center;
        justify-content: center;

    }

    .index-banner-nav .slide-prev, .index-banner-nav .slide-next {
        width: 6vw;
        height: 6vw;
        line-height: 6vw;

    }

    .index-banner-nav .slide-prev span, .index-banner-nav .slide-next span {
        font-size: 2vw;
    }

    .index-banner-nav {
        margin-top: 0;
        padding: 20px 0;
        width: 100%;
        display: flex;
        justify-content: center;
    }

    .more-link-a,.more-link-b {
        min-width: 8em;
        padding: 0 1em;
        height: 2.4em;
        line-height: 2.4em;
        font-size: 14px;
    }

    .index-banner .mask .content .t3 {
        display: none;

    }

    .index-banner-nav .slide-prev {
        left: 0;
    }

    .index-banner-nav .slide-next {
        left: auto;
        right: 0;
    }

    #index-advantage0 li {
        width: 49%;
        text-align: center;
        margin-bottom: 5px;
    }

    #index-advantage0 li .t1 {
        font-size: 18px;
    }

    #index-advantage0 li .t2 {
        display: none;
    }

    #index-advantage0 .x-main-title {
        margin-bottom: 25px;
    }

    #index-advantage0 li .box-img {
        padding: 15px;
    }

    #index-advantage0 li img {
        max-width: 30px;
        display: inline-block;
    }

    #index-advantage0 li h3 {
        display: inline-block;
    }

    #index-advantage0 li .box-content {
        display: none;
    }

    #index-advantage0 .x-bg li .x-mask {
        background-color: rgba(0, 0, 0, .2);
    }

    #index-advantage0 ul {
        flex-wrap: wrap;
    }
}