.project {
    /* margin-top: -165px; */
    margin-top: -10%;
    position: relative;
    overflow: hidden;
}

.project .link {
    display: flex;
}

.project .link .more {
    padding-left: 20px;
    justify-content: flex-start;
    background: #E1E1E1;
    transition: all .36s;
}

.project .link .more .line {
    background-color: #fff;
    display: none;
}

.project .link .more:hover .line,
.project .link .more.active .line {
    display: block;
}

.project .link .more:hover,
.project .link .more.active {
    background: #CE1C24;
    transition: all .36s;
}

.project .link .more:hover .cur,
.project .link .more.active .cur {
    background: #fff;
    transition: all .36s;
}

.project .link .more:hover .f16,
.project .link .more.active .f16,
.project .link .more:hover .iconfont,
.project .link .more.active .iconfont {
    color: #fff;
    transition: all .36s;
}

.project .content {
    background: url(../images/case_project_bg.png) no-repeat center;
    background-size: cover;
    padding: 70px 150px 70px 80px;
    display: flex;
    justify-content: space-between;
    height: 560px;
    box-sizing: border-box;
}

.project .content .lf .f18 {

    color: #333333;
    line-height: 32px;
}

.project .content .lf .f24 {

    color: #CE1C24;
    line-height: 32px;
}

.project .content .desc {

    color: #888888;
    line-height: 28px;
    width: 80%;
}

.box-pc {
    width: 67.34375vw;
    height: 38.020833vw;
    -webkit-perspective-origin: 50% 50%;
    perspective-origin: 50% 50%;
    -webkit-perspective: 100vw;
    perspective: 100vw;
    -webkit-transform-style: preserve-3d;
    transform-style: preserve-3d;
    margin: -310px auto 0;
    position: relative;
    background: url(../images/at-bg1.png) no-repeat center bottom;
    -o-background-size: 100% auto;
    -ms-background-size: 100% auto;
    -moz-background-size: 100% auto;
    -webkit-background-size: 100% auto;
    background-size: 100% auto;
}

.box-pc .cont {
    width: 48.125vw;
    height: 32.65625vw;
    margin-left: 10.416666vw;
    position: relative;
    /* margin-left: 200px; */
    overflow: hidden;
    z-index: 2;
    background: url(../images/at-bg0.png) no-repeat center center;
    -webkit-background-size: contain;
    background-size: contain;
    -webkit-transform-origin: 0 100%;
    -moz-transform-origin: 0 100%;
    -ms-transform-origin: 0 100%;
    -o-transform-origin: 0 100%;
    transform-origin: 0 100%;
}

.box-pc .con {
    width: 44.947916666666vw;
    height: 28.072916666vw;
    margin: 2.3958333333vw auto 0;
}

.box-pc .pic {
    height: 100%;
    overflow: hidden;
}

.color {
    padding-bottom: 90px;
}

.color .title {

    font-weight: bold;
    color: #333333;
    line-height: 28px;
    text-align: center;
    margin-bottom: 28px;
}

.color .content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 60px 10px;
}

.color .content .f20 {

    color: #333333;
}

.color .content .f16 {

    color: #888888;
}

.pic .fixed {
    background: url('../images/case_pic1.png') no-repeat center/cover fixed;
    height: 100vh;
    position: relative;
}

.pic .fixed .posiL,
.pic .fixed .posiR {
    content: '';
    position: absolute;
    top: 0;
    width: 12.5vw;
    height: 100%;
    background-color: #fff;
}

.pic .fixed .posiL {
    left: 0;
}

.pic .fixed .posiR {
    right: 0;
}

.case {
    padding: 120px 0 110px;
    background: #F3F3F3;
}

.case .title {

    color: #111111;
    line-height: 32px;
    margin-bottom: 20px;
    text-align: center;
}

.case .desc {

    color: #666666;
    line-height: 28px;
    width: 67%;
    text-align: center;
    margin: 0 auto 70px;
}

.case img {
    width: auto;
    max-width: 100%;
    margin: 0 auto;
}

.recommend {
    padding: 75px 0 80px;
}

.recommend .title {

    color: #111111;
    line-height: 36px;
}

.recommend .content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 25px;
    margin-top: 37px;
}

.recommend .content .one {
    border: 1px solid #ECECEC;
    position: relative;
}

.recommend .content .one .line_box {
    position: absolute;
    width: 100%;
    height: 100%;
}

.recommend .content .one .line_box>div {
    position: absolute;
}

.recommend .content .one .line_box .lt,
.recommend .content .one .line_box .lb {
    width: 100%;
    height: 1px;
}

.recommend .content .one .line_box .rb {
    right: 0;
    bottom: 0;
}

.recommend .content .one .line_box .rt,
.recommend .content .one .line_box .rb {
    width: 1px;
    height: 100%;
}

.recommend .content .one .line_box .lb {
    left: 0;
    bottom: 0;
}

.recommend .content .one .line_box .lt::after {
    left: 0;
    top: 0;
    width: 0%;
    height: 1px;
    visibility: hidden;
    background-color: #CE1C24;
    content: '';
    position: absolute;
    transition: all .5s;
}

.recommend .content .one .line_box .rt::after {
    left: 0;
    top: 0;
    width: 1px;
    height: 0%;
    visibility: hidden;
    background-color: #CE1C24;
    content: '';
    position: absolute;
    transition: all .5s;
}

.recommend .content .one .line_box .lb::after {
    right: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    visibility: hidden;
    background-color: #CE1C24;
    content: '';
    position: absolute;
    transition: all .5s;
}

.recommend .content .one .line_box .rb::after {
    right: 0;
    bottom: 0;
    width: 1px;
    height: 0%;
    visibility: hidden;
    background-color: #CE1C24;
    content: '';
    position: absolute;
    transition: all .5s;
}

.recommend .content .bottom {
    padding: 30px 20px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.recommend .content .bottom .f18 {

    color: #111111;
}

.recommend .content .bottom .iconfont {
    font-size: 31px;
    color: #ECECEC;
    line-height: 1;
}

.recommend .content .one:hover .lt::after,
.recommend .content .one:hover .lb::after {
    visibility: visible;
    width: 80%;
    transition: all .5s;
}

.recommend .content .one:hover .rt::after,
.recommend .content .one:hover .rb::after {
    visibility: visible;
    height: 80%;
    transition: all .5s;
}

@media (max-width:1024px) {
    .project .content {
        padding: 70px 80px 70px 50px;
    }

    .recommend .content {
        grid-template-columns: repeat(2, 1fr);
    }

    .recommend .content .bottom {
        padding: 20px;
    }
}

@media (max-width:768px) {
    .project .content {
        padding: 50px 60px 50px 30px;
        flex-direction: column;
        justify-content: flex-start;
    }

    .project .content .desc {
        width: 100%;
    }

    .recommend .content {
        grid-template-columns: repeat(1, 1fr);
    }

    .recommend .content .bottom {
        padding: 15px;
    }

    .recommend .content .one .img img {
        width: 100%;
    }

    .recommend .content .bottom .iconfont {
        font-size: 20px;
    }

    .color .content {
        grid-gap: 20px 10px;
    }

    .color {
        padding-bottom: 50px;
    }

    .case,
    .recommend {
        padding: 50px 0;
    }

    .case .desc {
        margin-bottom: 50px;
    }
}

@media screen and (max-width: 600px) {
    .project .content {
        height: 620px;
    }

    .case .desc {
        margin-bottom: 30px;
    }

    .color {
        padding-bottom: 30px;
    }

    .case,
    .recommend {
        padding: 30px 0;
    }
}

@media screen and (max-width: 375px) {
    .project .content {
        height: 700px;
        padding: 30px 70px 30px 30px
    }

    .case .desc {
        margin-bottom: 30px;
    }

    .color {
        padding-bottom: 30px;
    }
}