.menu-box {
    background: #282828;
}

.menu-box .menu-list {
    display: flex;
    align-items: center;
    align-content: flex-start;
    flex-wrap: wrap;
    padding: 40px 0 30px 0;
}

.menu-box .menu-list .menu-item {
    width: calc((100% - 24px) / 4);
    padding: 16px 25px;
    background-color: #5e5e5e;
    border-radius: 4px;
    font-size: 1.8rem;
    text-align: left;
    color: #ffffff;
    margin-right: 8px;
    margin-bottom: 10px;
}

.menuico {
    width: 30px;
    height: 30px;
    vertical-align: middle;
    margin-right: 5px;
}

.menu-box .menu-list .menu-item:nth-child(4n) {
    margin-right: 0;
}

.menu-box .menu-list .menu-item:hover {
    cursor: pointer;
    background: #f8b62d;
}

.menu-box .menu-list .menu-active {
    background: #f8b62d;
}

.cases-content {
    margin: 50px 0 60px;
}

.cases-content .cases-title {
    font-family: helvetica-bold, Arial, Helvetica, sans-serif;
    font-weight: bold;
    font-size: 4.3rem;
    color: #f8b62d;
    text-align: center;
    margin-bottom: 40px;
}

.cases-content .cases-list {
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.cases-content .cases-list .cases-item {
    width: calc((100% - 60px) / 4);
    height: 0;
    padding-bottom: calc((100% - 60px) / 4 * (4 / 3));
    /* height: 550px; */
    margin-right: 20px;
    margin-bottom: 20px;
    overflow: hidden;
    position: relative;
    border-radius: 8px;
}

.cases-item a {
    color: #ffffff;
}

.ceboxitem {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
}

.video-img {
    width: 55px;
    height: 37px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cases-content .cases-list .cases-item:nth-child(4n) {
    margin-right: 0;
}

.cases-content .cases-list .cases-item .icases-content {
    height: 350px;
    position: absolute;
    bottom: -270px;
    left: 0;
    right: 0;
    padding: 20px;
    background: rgba(41, 41, 41, 0.8);
    transition: all 0.5s;
    border-radius: 0 0 8px 8px;
}

.cases-content .cases-list .cases-item .icases-content a {
    font-weight: 400;
    color: #ffffff;
}

/*手机大图*/
.img-bg .page-brand .mobile-pic{
    display: none;
}

.cases-content .cases-list .cases-item .icases-content .icon-title {
    font-family: helvetica-bold, Arial, Helvetica, sans-serif;
    font-weight: bold;
    font-size: 1.8rem;
    margin-bottom: 16px;
    color: #ffffff;
    height: 45px;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    white-space: normal;
    word-break: break-all;
}

.cases-content .cases-list .cases-item .icases-content:hover .icon-title {
    color: #f8b62d;
}

.cases-content .cases-list .cases-item .icases-content .icase-time {
    font-size: 1.3rem;
    margin: 16px 0 90px 0;
}

.icases-content .icases-text {
    height: 75px;
    font-weight: 400;
    font-size: 1.6rem;
    text-align: justify;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    white-space: normal;
    word-break: break-all;
}

.icases-content .phone-timemore {
    display: none;
}

.cases-content .cases-list .cases-item .icases-content .icase-more {
    text-align: right;
    font-size: 1.6rem;
}

.cases-content .cases-list .cases-item .icases-content .icase-more:hover {
    color: #f8b62d;
}

.cases-content .cases-list .cases-item:hover .icases-content {
    bottom: 0;
    transition: all 0.5s;
}

.cases-content .cases-list .cases-item .icases-content:hover {
    cursor: pointer;
}

.cases-content .cases-list .cases-item .nimg {
    width: 100%;
    transition: all 0.3s;
    border-radius: 8px;
}

.cases-content .cases-list .cases-item .nimg:hover {
    cursor: pointer;
    transform: scale(1.1);
}

@media screen and (max-width: 1600px) {
    .menu-box .menu-list .menu-item {
        font-size: 1.6rem;
    }

    .cases-content .cases-list .cases-item .icases-content {
        bottom: -285px;
        font-size: 1.3rem;
        padding: 18px;
    }

    .cases-content .cases-list .cases-item .icases-content .icon-title {
        font-size: 1.6rem;
        margin-bottom: 10px;
    }

    .cases-content .cases-list .cases-item .icases-content .icase-time {
        margin: 13px 0 63px 0;
        font-size: 1.4rem;
    }

    .cases-content .cases-list .cases-item .icases-content .icase-more {
        font-size: 1.5rem;
    }
}

@media screen and (max-width: 1480px) {
    .menu-box .menu-list .menu-item {
        font-size: 1.2rem;
        margin-bottom: 8px;
        padding: 16px 30px;
    }

    .cases-content .cases-title {
        font-size: 2.5rem;
        line-height: 2.9rem;
        margin-bottom: 23px;
    }

    .cases-content .cases-list .cases-item {
        width: calc((100% - 30px) / 4);
        margin-right: 10px;
        margin-bottom: 10px;
        border-radius: 5px;
    }

    .cases-content .cases-list .cases-item img {
        border-radius: 5px;
    }

    .cases-content .cases-list .cases-item .icases-content {
        bottom: -190px;
        height: 260px;
        padding: 18px;
        font-size: 1.2rem;
        line-height: 1.5rem;
    }

    .cases-content .cases-list .cases-item .icases-content .icon-title {
        font-size: 1.6rem;
        line-height: 1.8rem;
        margin-bottom: 9px;
    }

    .cases-content .cases-list .cases-item .icases-content .icase-time {
        font-size: 1.3rem;
        margin: 5px 0 30px 0;
    }

    .cases-content .cases-list .cases-item .icases-content .icase-more {
        font-size: 1.6rem;
    }
}

@media screen and (max-width: 768px) {

    .img-bg .page-brand img{
        display: none;
    }

    .img-bg .page-brand .mobile-pic{
        display: block;
    }
    
    .menu-box .menu-list {
        width: 100%;
        padding: 16px 0;
    }

    .menuico {
        width: 20px;
        height: 20px;
        margin-right: 4px;
    }

    .video-img {
        top: 25%;
    }

    .menu-box .menu-list .menu-item {
        width: calc((100% - 4px) / 2);
        height: 40px;
        line-height: 40px;
        padding: 0 3px 0 7px;
        border-radius: 4px;
        margin-right: 4px;
        margin-bottom: 4px;
    }

    .menu-box .menu-list .menu-item span {
        display: inline-block;
        vertical-align: middle;
        font-size: 1.2rem;
        line-height: 1.5rem;
    }

    .menu-box .menu-list .menu-item:nth-child(2n) {
        margin-right: 0;
    }

    .cases-content {
        margin: 0;
        padding: 40px 0 28px;
        background-color: transparent;
    }

    .cases-content .cases-title {
        font-size: 2.4rem;
        color: #f8b62d;
        line-height: 2.3rem;
        margin-bottom: 16px;
    }

    .cases-content .cases-list {
        margin-bottom: 0;
        align-items: center;
        flex-direction: column;
    }

    .cases-content .cases-list .cases-item {
        width: 90%;
        padding-bottom: 120%;
        margin-right: 0;
        margin-bottom: 20px;
    }

    .icases-content .icases-text {
        height: 75px;
        line-height: 1.9rem;
        -webkit-line-clamp: 4;
    }

    .cases-content .cases-list .cases-item .icases-content {
        height: 195px;
        bottom: 0;
        padding: 12px;
        font-size: 1.3rem;
    }

    .cases-content .cases-list .cases-item .icases-content .icon-title {
        font-size: 1.6rem;
        line-height: 1.9rem;
        margin-bottom: 5px;
        color: #FBB02B;
    }

    .cases-content .cases-list .cases-item .icases-content .icase-time {
        margin: 13px 0 0;
    }

    .icases-content .phone-timemore {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 16px;
        font-size: 1.4rem;
        color: #ffffff;
        line-height: 1.6rem;
    }
}