.list_container {display: flex;align-items: center;flex-wrap: wrap;width: 1200px;margin: 40px auto 0 auto;}
.item_box {width: 32%;height: 200px;margin: 0 2% 28px 0;position: relative;border-radius: 8px;cursor: pointer;overflow: hidden;}
.item_box img {width: 100%;height: 100%;object-fit: cover;transition: all 1.4s ease;transform: scale(1);}
.item_box:hover img {transform: scale(1.1);}
.item_box .context_box {position: absolute;left: 0;bottom: 0;width: 100%;display: flex;flex-direction: column;justify-content: flex-end;padding: 12px;/*transform: translate(0,200px);transition: all 0.4s;*/background: linear-gradient(to bottom,rgba(0,0,0,0) 0,rgba(0,0,0,.5));font-size: 20px;color: #fff;}
.item_box .context_box .intro_box {font-size: 14px;margin-top: 10px;}
.item_box:nth-child(3n) {margin: 0 0 28px 0;}
/* .item_box:hover .context_box {transform: translate(0,0);transition: all 0.4s;} */
@media screen and (min-width: 1600px) {
    .list_container {width: 1380px;}
    .item_box {height: 240px;}
}