@media screen and (min-width: 2540px) {}

@media screen and (max-width: 1600px) {}

@media screen and (max-width: 1400px) {}

@media screen and (max-width: 1366px) {}

@media screen and (max-width: 1280px) {}

@media screen and (max-width: 1140px) {
    body {
        font-size: 16px;
        /* 直接使用 px 保证可读 */
    }

    .container {
        width: 100%;
        padding: 0 15px;
        box-sizing: border-box;
    }



    header {
        display: none;
    }

    .navigation {
        display: none;
    }

    .navigation ul li a {
        font-size: 16px;
    }

    .navigation ul {
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        margin: 0;
        padding: 0;
        list-style: none;
        height: 50px;
    }

    .navigation ul li {
        display: inline-block;
        flex-shrink: 0;
        /* 防止被压缩 */
    }

    .navigation ul::-webkit-scrollbar {
        height: 6px;
        /* 滚动条高度（横向） */
    }

    .navigation ul::-webkit-scrollbar-track {
        background: transparent;
    }

    .navigation ul::-webkit-scrollbar-thumb {
        background: rgba(0, 0, 0, 0.15);
        border-radius: 4px;
    }


    .navigation ul .nli {
        min-width: 70px;
    }

    .mbheader {
        display: block;
    }

    html {
        font-size: 90px !important;
    }

    .mbheader {
        height: 1.3rem;
        display: flex;
        align-items: center;
    }

    .mbheader .header-con .logo img {
        max-height: none;
        height: auto;
    }

    .sp_nav span {
        width: 0.4rem;
        height: 0.04rem;
    }

    .banq p br {
        display: block !important;
    }

    .banq .container {
        display: block;
    }

    .banq {
        height: auto;
        padding: 0.1rem 0;
        box-sizing: border-box;
    }

    .banq div {
        line-height: 0.25rem;
        text-align: center;
    }
}

@media screen and (max-width: 768px) {
    .mbheader {
        height: 0.9rem;
    }

    .sjj_nav ul li {
        line-height: 50px;
    }

    .nmain {
        min-height: 300px;
    }

    .sjj_nav ul li a {
        font-size: 16px;
    }

    .fs-14,
    .fs-16 {
        font-size: 14px;
    }

    .fs-24,
    .fs-20 {
        font-size: 16px;
    }

    .fs-28 {
        font-size: 18px;
    }

    .fs-32 {
        font-size: 22px;
    }

    .banq {
        width: 100%;
    }

    .page-box {
        margin: 30px 0;
    }


}