.Nybanner {
        height: 50vw;
        max-height: 600px;
    }

    /* 分类 */
    .ProductBigBox .w1200 {
        display: flex;
        flex-wrap: wrap;
    }

    .NyNavBox {
        width: 25%;
    }

    .NyNavBox .leftBox {
        margin-bottom: 50px;
        background: #fff;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
        padding: 30px;
    }

    .NyNavBox .leftBox h1 {
        text-align: center;
        color: #1d1d1fcc;
        letter-spacing: 10px;
        font-size: 16px;
        margin-bottom: 30px;
    }

    .NavList a {
        display: block;
        color: #1b1b1d;
        font-size: 20px;
        margin: 20px 0;
        font-weight: bold;
    }

    .NavList a.active {
        color: var(--color);
    }

    .NavList a.active::after {
        content: "";
        display: block;
        width: 300px;
        height: 1px;
        background: var(--color);
        position: absolute;
        right: calc(100% + 15px);
    }

    .NavList2 h2 {
        color: #1b1b1d;
        margin: 20px 0;
        font-size: 20px;
        display: flex;
    }

    .NavList2 h2 p {
        font-size: 20px;
        width: calc(100% - 75px);
    }

    .NavList2 h2:nth-child(1) p {
        color: #3680eb;
    }

    .NavList2 h2:nth-child(2) p {
        color: #4fb600;
    }

    .NavList2 h2:nth-child(3) p {
        color: #ffb266;
    }

    .NavList2 h2 a {
        color: #6a6abd;
        font-size: 20px;
    }

    /* 列表 */
    .NyProListBox {
        padding-left: 75px;
        width: 75%;
        overflow: hidden;
    }

    .NyProListBox .title {
        color: #1b1b1d;
        font-size: 40px;
        font-weight: 900;
        margin-bottom: 25px;
        margin-top: 25px;
    }

    .ListBox {
        margin-bottom: 45px;
        display: flex;
        flex-wrap: wrap;
        grid-gap: 30px;
    }

    .ListBox .item {
        width: 100%;
        position: relative;
        overflow: hidden;
        background: #f5f8f8;
    }

    .ListBox .item .img {
        position: relative;
        width: 100%;
    }

    .ListBox .item .text {
        padding: 25px;
    }

    .ListBox .item .text h1 {
        color: #1b1b1d;
        font-weight: bold;
        font-size: 32px;
    }

    .ListBox .item .text .desc {
        margin: 25px 0;
        display: flex;
        grid-gap: 15px;
    }

    .ListBox .item .text .desc p {
        color: #1d1d1f66;
        font-size: 10px;
        letter-spacing: 2px;
        display: list-item;
        margin-left: 20px;
    }

    .ListBox .item .text span {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 156px;
        height: 56px;
        border-radius: 50px;
        background: var(--color);
        font-size: 14px;
        font-weight: bold;
        color: #fff;
    }

    @media (max-width: 1200px) {
        .NyNavBox {
            width: 30%;
        }

        /* 列表 */
        .NyProListBox {
            padding-left: 30px;
            width: 70%;
        }
    }

    @media (max-width: 1000px) {
        .NyNavBox {
            width: 100%;
        }

        /* 列表 */
        .NyProListBox {
            margin-top: 45px;
            padding-left: 0px;
            width: 100%;
        }
    }

    @media (max-width:720px) {
        .NyProListBox .title {
            font-size: 24px;
        }

        .ListBox .item .text h1 {
            font-size: 24px;
        }

        .ListBox .item .text span {
            width: 120px;
            height: 45px;
        }
    }