.demo {
    width: 100%;
    height: auto;
    overflow: hidden;
}

 .lists {
    width: 100%;
    height: auto;
    overflow: hidden;
}

 .list {
    position: relative;
}

 .list1 .bg {
    width: 100%;
    height: 100%;
    background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2022120717222270993/cms/image/79028c1b-415b-4183-a134-31ca21dfd105.jpg?d=1677750097036)no-repeat;
    background-position: 50%;
    background-size: cover;
    opacity: 1;
}

 .tit {
    position: absolute;
    text-align: center;
    top: 50%;
    color: #fff;
    font-size: 1.3em;
    width: 100%;
}

 .tit span {
    font-size: 36px;
    line-height: 2.5em;
    font-weight: bold;
    letter-spacing: 1px;
}

 .demo .active:hover .tit {
    display: none;
}

 .demo .active a> .bg {
   filter: brightness(1.4);
}

 .list2 .bg {
    width: 100%;
    background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2022120717222270993/cms/image/703d1247-e2f6-4997-adeb-d314ff9b157b.jpg?d=1676446122533)no-repeat;
    background-position: 50%;
    background-size: cover;
    opacity: 1;
}

 .list3 .bg {
    width: 100%;
    background: url(https://omo-oss-image.thefastimg.com/portal-saas/new2022120717222270993/cms/image/44ccedba-7ab3-40ef-b536-e3a33ca246bb.jpg?d=1676446134794) no-repeat;
    background-position: 50%;
    background-size: auto 100%;
    opacity: 1;
}

 .title {
    position: absolute;
    top: 45%;
    margin-top: -35px;
    width: 100%;
    text-align: center;
    color: #fff;
    font-size: 52px;
    z-index: 2;
    -webkit-transition: all 1s;
    -moz-transition: all 1s;
    transition: all 1s;
	font-weight: bold;
    letter-spacing: 1px;
}

 .title span {
    display: block;
    font-size: 16px;
    width: 80%;
    margin: auto;
    line-height: 2em;
    font-weight: normal;
    letter-spacing: 1px;
}

 .more {
    position: absolute;
    bottom: 30px;
    width: 100%;
    height: 50px;
    text-align: center;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    transition: all 0.5s;
}

 .more span {
    display: inline-block;
    width: 130px;
    height: 45px;
    line-height: 45px;
    color: #fff;
    opacity: .9;
    font-size: 12px;
    border: 1px solid #fff;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    transition: all 0.5s;
}

 .more span i {
    font-style: normal;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    transition: all 0.5s;
}

@media only screen and (min-width: 992px) {
     .demo {
        height: 100vh;
    }

     .lists {
        height: 100%;
    }

     .list {
        float: left;
        transition: all 0.8s ease-out;
    }

     .list1 {
        position: relative;
        width: calc(100% / 2);
        height: 100%;
        float: left;
        background: #000000;
        overflow: hidden;
        background-size: cover;
    }

     .list1 .bg {
        height: 100%;
       
    }

     .list2 {
        position: relative;
        width: calc(100% / 2);
        height: 100%;
        float: left;
        overflow: hidden;
        background: #000000;
    }

     .list2 .bg {
        height: 100%;
    }

     .list3 {
        position: relative;
        width: calc(100% / 3);
        height: 100%;
        background: #000000;
        overflow: hidden;
        display:none;
    }

     .list3 .bg {
        height: 100%;
    }

     .bg::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        background: rgba(0, 0, 0, 0.3);
        opacity: .2;
        visibility: hidden;
        transition: all .4s;
        -moz-transition: all .4s;
        -webkit-transition: all .4s;
    }

     .title {
        opacity: 0;
    }

     .list:hover .title {
        opacity: 1;
        margin-top: -15px;
    }

     .more {
        bottom: 60px;
        opacity: 0;
    }

     .more span:hover {
        opacity: 1;
        background: #0061ce;
        border: 1px solid #0061ce;
    }

     .more span:hover i {
        margin-left: 5px;
    }

     .list:hover .more {
        opacity: 1;
        bottom: 20%;
    }

     .deactive {
        width: 44%;
    }

      .demo .active {
        width: 56%;
        background: #000;
    }
}

@media only screen and (max-width: 993px) {
    .title {
    font-size: 22px;
} 
  .tit {
        display:none;
    }

     .title span {
        display: none;
    }

     .list {
        height: 270px;
        border-top: 1px solid #fff;
        background: #000;
    }

     .titleLink {
        display: block;
        width: 100%;
        height: 100%;
    }

     .list .bg {
        height: 100%;
        background-size: cover;
    }
}