@media (max-width: 1000px) {
    .meet-B2B {
        width: 93vw;
        display: grid;
        grid-template-columns: 1fr;
    }

    .about-image img {
        width: 100%;
    }

    /* apk file  */
    .container-apk {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (max-width: 768px) {
    header {
        position: static;
    }

    .menu-btn {
        display: block;
    }

    .nav-content {
        top: 80px;
        gap: 1rem;
        width: 100%;
        display: none;
        padding: 1rem 0;
        position: absolute;
        text-align: center;
        flex-direction: column;
        background-color: #262c31;
        transition: right 0.4s ease;
        box-shadow: 0 10px 10px rgba(0, 0, 0, 0.2);
    }

    .nav-content.show {
        display: block;
        right: 0;
    }

    .dropdown {
        width: 100%;
    }

    .nav-content a,
    .dropbtn {
        display: block;
        padding: 0.8rem 1rem;
    }

    .dropdown-content {
        position: static;
        display: none;
        margin-top: 0;
        width: 100%;
        box-shadow: none;
        border-radius: 0;
        background-color: #262c31;
    }

    .dropdown-content.show {
        display: block;
    }

    .col-drop {
        border: none;
    }

    #myDropdown a {
        padding-left: 115px;
        text-align: center;
        color: rgb(245, 245, 245);
    }

    section {
        margin-top: unset;
    }

    .container1 {
        height: 500px;
    }

    .content-container h1 {
        font-size: 50px;
        width: 80%;
    }

    .content-container p {
        width: 80%;
    }

    .meet-item {
        padding-right: 10px;
    }

    form {
        min-width: 425px;
    }

    form button {
        font-size: 1rem;
    }

    .footer-address {
        display: flex;
        flex-wrap: wrap;
    }

    /* iphone firmware */
    .container-ip-1 {
        margin-top: 50px;
    }

    .container-ip-2 {
        padding-left: 10px;
    }

    .container-ip-2 h2 {
        font-size: 1.75rem;
    }

    .container-ip-2 p {
        font-size: 0.8rem;
    }

    .container-ip-2 a {
        font-size: 0.8rem;
        padding-left: 2px;
    }

    /* oppo firmware */
    .container-oppo-1 {
        margin-top: 50px;
    }

    .oppo-image {
        width: 70%;
    }

    .apk-container {
        margin-top: 50px;
    }

    .container-apk {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 450px) {
    .logo a {
        font-size: 1.9rem;
    }

    .nav-content {
        right: -146%;
    }

    .content-container h1 {
        font-size: 50px;
        width: 100%;
    }

    .content-container p {
        width: 100%;
    }

    form {
        min-width: 325px;
    }

    form button {
        font-size: 0.9rem;
    }

    /* oppo firmware */
    .oppo-image {
        width: 100%;
    }

    /* Apk file  */
    .container-apk {
        grid-template-columns: 1fr;
    }
}