/* Container */
.content-mn {
    width: 12rem;
    min-height:800px;
    margin: auto;
    margin-bottom:20px
}

.content-pos {
    width: 1200px;
    margin: 0 auto;
}

    .content-pos > .breadcrumb-nav {
        padding: 20px 0;
        font-size: 14px;
    }

.nav-main {
    border-top: 1px solid #e8e8e8;
    display: flex;
    flex-wrap: wrap;
}

    .nav-main .item-wrap {
        position: relative;
        width: 33.33%;
        box-sizing: border-box;
        border-bottom: 1px solid #e8e8e8;
        border-right: 1px solid #e8e8e8;
    }

        .nav-main .item-wrap::after {
            content: "";
            width: 100%;
            height: 2px;
            background-color: #374754;
            position: absolute;
            left: 0;
            bottom: 0;
            z-index: 0;
            transform: scale(0)
        }

        .nav-main .item-wrap:nth-child(3n+1) {
            border-left: 1px solid #e8e8e8;
        }

        .nav-main .item-wrap a {
            display: block;
            padding: 68px 56px 74px;
        }

        .nav-main .item-wrap .date {
            color: #8c94a3;
            font-family: "en_regular";
            line-height: 15px;
        }

        .nav-main .item-wrap .title {
            margin-top: 18px;
            margin-bottom:10px;
            color: #3f4150;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            overflow: hidden;
            font-size: 20px;
            line-height: 32px;
            height: 64px;
        }

        .nav-main .item-wrap .img-wrap {
            position: relative;
            overflow: hidden;
        }

            .nav-main .item-wrap .img-wrap::after {
                top: 0;
                position: absolute;
                left: 0;
                width: 100%;
                height: 100%;
                z-index: 1;
                background: rgba(255, 255, 255, 0.5);
                content: '';
                transition: all .6s;
                transform: scale3d(1.9, 1.4, 1) rotate3d(0, 0, 1, 45deg) translate3d(0, -110%, 0);
            }

        .nav-main .item-wrap:hover .img-wrap::after {
            transform: scale3d(1.9, 1.4, 1) rotate3d(0, 0, 1, 45deg) translate3d(0, 110%, 0);
        }

        .nav-main .item-wrap:hover::after {
            transition: all .6s;
            transform: scale(1);
        }


        .nav-main .item-wrap .main-img {
            width: 100%;
            height: 187px;
            object-fit: cover;
        }

        .nav-main .item-wrap:hover .main-img {
            transform: scale(1.1);
            transition: all .6s;
        }

.pager {
    text-align: center;
    margin-top: 68px;
}


/* 手机端特定样式 */
@media screen and (max-width: 1200px) {
    .content-pos{
        display:none;
    }
    .content-mn {
        width: 100%;
    }
    .nav-main{
        margin-top:20px;
    }
    .nav-main .item-wrap .date {
        font-size: 14px;
        color: #8c94a3;
        font-family: "en_regular";
        line-height: 15px;
    }

}

@media screen and (max-width: 990px) {
    .nav-main {
        width: calc(100% - 30px);
        margin: 0 auto;
        margin-top:20px;
    }

        .nav-main .item-wrap {
            width: 100%;
            border: 1px solid #e8e8e8 !important;
            border-top: none !important;
            border-left: 1px solid #e8e8e8 !important;
        }

            .nav-main .item-wrap a {
                padding: 30px 20px 40px;
            }

            .nav-main .item-wrap .title {
                text-align: left;
                height: auto;
                font-size: 17px;
                line-height: 26px;
                padding: 0;
                color: #3f4150;
                margin-bottom: 20px;
            }

            .nav-main .item-wrap .main-img {
                height: auto;
                max-height: 500px;
                object-fit: cover;
            }
}

@media screen and (max-width:750px) {
    .nav-main .item-wrap .main-img {
        height: auto;
        max-height: 300px;
        object-fit: cover;
    }

    .pager {
        margin-top: 0;
    }
}