.list3_container {
    width: 1200px;
    margin: 0 auto;
}
.list3_title {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    padding-top: 60px;
}
.list3_title > div {
    width: 90px;
    height: 1px;
    background: #c1c1c1;
}
.list3_title > h3 {
    font-size: 30px;
    color: #333;
    margin: 0 30px;
}
.list3_nav_btn {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}
.list3_nav_btn > a {
    display: inline-block;
    padding: 10px 30px;
    background-color: rgba(232, 232, 232, 1);
    font-size: 14px;
    border-radius: 5px;
    margin: 0 20px 60px;
}

a:hover {
    color: inherit;
    text-decoration: none;
}
.list3_content_wrapper {
    display: flex;
}
.list3_left_nav_wrapper {
    width: 240px;
}
.list3_content_list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}
.list3_content_item {
    box-shadow: 0 2px 5px rgb(0 0 0 / 40%);
    transition: all 0.2s linear 0s;
    margin: 20px;
    padding-bottom: 20px;
}
.list3_content_item:hover {
    box-shadow: 0 15px 30px rgb(0 0 0 / 20%);
    transform: translate3d(0, -2px, 0);
}
.list3_content_img {
    width: 300px;
    height: 200px;
    overflow: hidden;
    margin-bottom: 20px;
    padding: 20px;
}
.list3_content_img > img {
    width: 260px;
    height: 160px;
    object-fit: cover;
    transition: all 0.5s;
}
.list3_content_img > img:hover {
    transform: scale(1.3, 1.3);
}
.list3_content_title {
    font-size: 18px;
    padding-left: 30px;
    line-height: 30px;
    max-width: 310px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.list3_content_summary {
    padding-left: 30px;
    max-width: 310px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}
.list3_page_nav {
    text-align: center;
}

.no_left_nav_margin {
    margin: 20px 45px !important;
}
@media (max-width: 768px) {
    .list3_title > h3 {
        font-size: 24px;
    }
    .list3_nav_btn {
        justify-content: space-between;
    }
    .list3_content_wrapper {
        display: block;
    }
    .list3_content_list > li {
        margin: 20px auto;
    }
    .list3_content_left_nav {
        display: none;
    }

}
.pagination > li > a,
.pagination > li > span {
    margin: 0 10px;
}