.zt-banner{width: 100%;height: 161px;clear: both; background: url(../images/bg.jpg) center no-repeat; color: #fff;}
.zt-banner h2{padding-top: 60px; font-size: 36px; font-weight: bold; color: #fff;}
.zt-banner p{padding-top: 28px; font-size: 16px; line-height: 32px; color: #fff; max-width: 700px;}
.zt-banner p b{padding: 0 5px; font-weight: 700; color: #ffca00;}

.inventory-box{margin-left:-18px; margin-right:-18px;}
    .portal-gallery-item {
        float: left;
        width: 272px;
        height: 242px;
        margin-left: 18px;
        margin-right: 18px;
        margin-top: 30px;
        position: relative;
        display: block;
        background-color: #fff;
        transition: all .3s ease;
        box-shadow: 0 0 1.5rem rgb(9 41 77 / 12%);
    }
    /* .portal-gallery-item:nth-child(4n){margin-right: 0;} */
    .portal-gallery-item .portal-gallery-cover img {
        height: auto;
        width: auto;
        max-width: 100%;
        max-height: 100%;
        display: block;
        margin: 0 auto;
    }
    .portal-gallery-item .portal-gallery-info {
        display: block;
        padding: 14px 25px;
        text-align: center;
    }
    .portal-gallery-item .portal-gallery-info .portal-gallery-title {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: center;
        font-size: 18px;
        font-weight: bolder;
    display: block;
    color: #0d1c28;
    margin-bottom: 10px;
    }
    .portal-gallery-item .portal-gallery-info .portal-gallery-desc {
        font-size: 16px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: block;
        text-align: center;
        height: auto;
        color: #666;
    }
    .portal-gallery-item:hover {
        color: #fff;
        background-color: #4293f4;
        -webkit-transform: translate3d(0,-.3rem,0);
        transform: translate3d(0,-.3rem,0);
        box-shadow: 0 0.25rem 1.25rem rgb(62 151 223 / 30%);
    }
    .portal-gallery-item:hover .portal-gallery-desc, .portal-gallery-item:hover .portal-gallery-title {
        color: #fff;
    }

    @media only screen and (max-width: 768px){
        .portal-gallery-item{width: 100%; margin-right: 0;}
        .portal-gallery-item .portal-gallery-cover img{width: 100%; height: 160px;}
    }