@media (max-width: 499px) {
    /* 顶部背景 */
    .projects-header-container {
        width: 100%;
        height: 258px;
        position: relative;
    }

    .projects-header-container-bg {
        width: 100%;
        height: 258px;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .projects-header-container-bg-img {
        width: 100%;
        height: 258px;
        object-fit: cover;
    }

    .projects-header-container-content {
        width: 100%;
        height: 258px;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        position: absolute;
        top: 0;
        left: 0;
        background-color: rgba(0, 0, 0, 0.2);
    }

    .projects-header-container-title {
        width: calc(100% - 40px);
        padding: 0 20px;
        text-align: center;
        font-size: 25px;
        font-weight: 500;
        line-height: 30px;
        color: #FFFFFF;
    }

    /* 项目列表 */
    .projects-list-container {
        width: 100%;
        padding: 30px 0;
    }

    .projects-list-category-wrap {
        width: 100%;
        padding: 20px 0;
        border-top: #d4d4d4 solid 1px;
        border-bottom: #d4d4d4 solid 1px;
    }

    .projects-list-category-list {
        width: 100%;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
    }

    .projects-list-category {
        margin-right: 15px;
        display: flex;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        cursor: pointer;
        text-decoration: none;
        margin-bottom: 15px;
    }

    .projects-list-category-dot {
        width: 8px;
        height: 8px;
        background-color: #030000;
        border-radius: 4px;
        margin-right: 10px;
        display: none;
    }

    .projects-list-category-active .projects-list-category-dot {
        display: block;
    }

    .projects-list-category .projects-list-category-title {
        font-size: 20px;
        font-weight: 400;
        color: #858585;
    }

    .projects-list-category-active .projects-list-category-title {
        font-weight: 500;
        color: #202429;
    }

    .projects-list-wrap {
        width: 100%;
        padding-top: 20px;
    }

    .projects-list-group {
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 24px;
    }

    .project {
        width: 100%;
        height: 250px;
        position: relative;
        margin-bottom: 20px;
    }

    .project-poster {
        width: 100%;
        height: 250px;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .project-poster-img {
        width: 100%;
        height: 250px;
        object-fit: cover;
    }

    .project-content {
        width: 100%;
        height: 250px;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
        background-color: rgba(0, 0, 0, 0.2);
        position: absolute;
        top: 0;
        left: 0;
    }

    .project-title {
        width: calc(100% - 40px);
        text-align: center;
        padding: 0 20px;
        font-size: 25px;
        line-height: 30px;
        font-weight: 500;
        color: #ffffff;
    }

    /* 在售商品 */
    .index-on-sale-product-container {
        padding: 30px 0;
        background-color: #ede9e9;
    }

    .index-on-sale-product-container-header {

    }
    .index-on-sale-product-container-header-wrap{
        width: 100%;
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .index-on-sale-product-container-more-btn{
        width: 163px;
        height: 48px;
        border-radius: 24px;
        background-color: #473945;
        color: #FFFFFF;
        text-align: center;
        line-height: 48px;
        font-size: 15px;
        font-weight: 500;
        display: block;
        text-decoration: none;
    }

    .index-on-sale-product-container-title {
        font-size: 25px;
        font-weight: 400;
        line-height: 30px;
        text-align: left;
        width: 100%;
    }

    .index-on-sale-product-container-desc {
        text-align: left;
        width: 100%;
        font-size: 14px;
        line-height: 22px;
        font-weight: 300;
        color: #858585;
        margin-top: 18px;
    }

    .index-on-sale-product-list {
        margin-top: 40px;
    }

    .index-on-sale-product-group {
        width: 100%;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    .index-on-sale-product{
        width: 100%;
        height: 260px;
        position: relative;
        margin-bottom: 20px;
    }
    .index-on-sale-product-bg{
        width: 100%;
        height: 260px;
        display: flex;
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }
    .index-on-sale-product-bg-img{
        width: 100%;
        height: 260px;
        object-fit: cover;
    }
    .index-on-sale-product-content{
        width: calc(100% - 40px);
        height: calc(260px - 60px);
        padding: 30px 20px;
        position: absolute;
        top: 0;
        left: 0;
        background-color: rgba(0,0,0,0.1);
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        align-items: flex-start;
    }
    .index-on-sale-product-title{
        width: 100%;
        text-align: left;
        font-size: 20px;
        font-weight: 500;
        color: #FFFFFF;
        text-transform: uppercase;
    }
}