        .category-container {
            width: 100%;
            height: 500px;
            margin: 10px auto;
            box-shadow: 0 4px 10px rgb(166 101 101 / 10%);
            border-radius: 10px;
            overflow: hidden;
            font-family: Arial, sans-serif;
            background-size: cover;
            background-position: center center;
            background-repeat: no-repeat;
        }

        .main-categories {
            height: 500px;
            margin-left: 10%;
            padding: 20px;
            border-right: 1px solid #eaeaea;
            background-color: rgba(249, 249, 249, 0.8);
            float: left;
            box-sizing: border-box;
            width: 200px;
        }

        .main-categories p {
            padding: 15px;
            margin: 5px 0;
            cursor: pointer;
            transition: background-color 0.3s, transform 0.3s;
            border-radius: 5px;
            font-size: 16px;
            font-weight: 500;
        }

        .main-categories p:hover {
            background-color: #eaeaea;
            transform: scale(1.02);
        }

        .main-categories p.active {
            background-color: #007bff;
            color: #fff;
        }

        .sub-categories {
            width: 30%;
            padding: 20px;
            background-color: rgba(255, 255, 255, 0.8);
            float: left;
            box-sizing: border-box;
            display: none;
        }

        .sub-categories.active {
            display: block;
        }

        .sub-categories p {
            padding: 10px;
            margin: 5px 0;
            border-bottom: 1px solid #eee;
            font-size: 14px;
            transition: background-color 0.3s;
            cursor: pointer; 
        }

        .sub-categories p:hover {
            background-color: #f5f5f5;
        }
        .category-container::after {
            content: "";
            display: table;
            clear: both;
        }
        .bg1 {
            background-image: url('/imgpic/ylqxa.jpg');
        }
        .bg2 {
            background-image: url('/imgpic/ylqxc.jpg');
        }

        .product-category {
            padding: 40px;
            margin: 40px auto;
            border-radius: 12px;
            width: 90%;
            max-width: 1200px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
            position: relative;
        }

        .product-category:hover {
            transform: translateY(-5px);
        }

        .digital {
            background-color: #fff;
        }

        .clothing {
            background-color: #fff;
        }

        .category-title {
            font-size: 28px;
            font-weight: 600;
            color: #333;
            position: absolute;
            left: -80px;
            top: 0px;
            padding: 10px 20px;
        }

        .digital-title {
            background-color: #fff;
        }

        .clothing-title {
            background-color: #fff;
        }
        .card-box .card-img a img {
            width: 170px;
            height: 158px;
            background: #FBFBFB;
            vertical-align: middle;
            border-radius: 4px 4px 0 0;
            border: none;
            width: 100%;
            border-radius: 4px 4px 0 0;
            -webkit-transition: 0.1s;
            transition: 0.1s;
            display: block;
        }
        .product-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            justify-items: center;
            align-items: start;
        }

        .product-item {
            width: 170px;
            border: none;
            padding: 20px;
            text-align: left;
            background-color: #fff;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .product-item:hover {
            transform: translateY(-8px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }

        .product-item img {
            width: 100%;
            height: 200px;
            border-radius: 8px;
            margin-bottom: 15px;
            object-fit: cover;
        }

        .product-item .card-info-title a {
            font-size: 18px;
            margin: 15px 0 10px;
            text-decoration: none;
            color: #333;
            font-weight: 500;
            display: block;
            transition: color 0.3s ease;
        }

        .product-item .card-info-title a:hover {
            color: #007bff;
        }

        .product-item .card-info-item {
            margin: 10px 0;
        }

        .product-item .card-info-item span {
            margin: 0px;
            color: #777;
            font-size: 14px;
        }

        .product-item .card-item {
            margin-top: auto;
            color: #777;
            font-size: 14px;
        }

        .product-item .card-item a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .product-item .card-item a:hover {
            color: #007bff;
        }

        .work-null {
            text-align: center;
            padding: 50px 0;
        }

        .work-null .subject-title {
            color: #999;
            font-size: 18px;
        }