.bj-header.header.position-fixed .white-logo {
            display: none !important;
        }

        .bj-header.header.position-fixed .black-logo {
            display: block !important;
        }

        .bj-header.header .product .menu-list::after {
            display: none;
        }

        .bj-header.header .menu a {
            color: #2D313E;
        }

        .bj-header.header .menu a:hover {
            color: #013EF8;
        }

        .bj-header.header .menu-list li {
            font-weight: 500;
        }

        .bj-header.header .product .menu-list li {
            margin-bottom: 32px;
            line-height: 1;
        }

        .bj-header.header .product .menu-list li:last-child {
            margin-bottom: 0px;

        }

        .bj-header.header .product-menu .menu-list li {
            min-width: 323px;
        }

        .bj-header.header .product .menu-list li a {
            font-size: 24px;
            font-weight: 700;
        }

        .bj-header.header .navbar-expand-lg .navbar-nav {
            gap: 0;
        }

        .header .drop-menu:hover .nav-link {
            background: #013ef8;
            color: #fff;
        }

        .header .drop-menu:hover .nav-link::after {
            background: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M10 10.5003L13.8333 6.66699L15 7.83366L10 12.8337L5 7.83366L6.16667 6.66699L10 10.5003Z" fill="%23fff"/></svg>');
        }

        .header .drop-menu:hover .nav-link::before,
        .header .menu-list .title::after {
            display: none;
        }

        @media (max-width:991.98px) {
            .bj-header .navbar-expand-lg .navbar-nav {
                gap: 0;
            }

            .header .drop-menu:hover .nav-link {
                background: transparent;
            }

            .header .drop-menu .menu .text-wrap {
                margin: 16px 0;
            }

            .bj-header.header .product .menu-list li a {
                font-size: 14px;
                color: #fff;
            }

            .bj-header.header .menu a {
                color: #fff;

            }
        }

        .bj-header .navbar-brand img {
            width: 130px;
            height: 20px;
        }

        @media (min-width: 1600px) {
            .bj-header .navbar-brand img {
                width: 181px;
                height: 28px;
            }

            .bj-footer .content .lft-img img {
                max-width: 367px;
            }

            .bj-footer .content .lft-img .qianqiong-logo {
                margin-bottom: 32px;
            }
        }