.bidv-custom-text{
    color: #0060AD!important;
}
.btn-login {
    color: white;
    background-color:#0060AD;
    border-color: #0060AD;
}
.block-course {
    height: 100%!important;
}
.highlight-box {
    background-color: #0060AD;
    color: #ffd54f;
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-weight: 600;
}
.banner-content {
    margin-left: 0;
    text-align: left;
    max-width: 700px; /* hoặc bao nhiêu tùy bạn */
}
.text-btn-color {
    color: #0060AD!important;
}
.block-container {
    max-width: 90vw;
    margin: auto;
}
.banner-content-image {
    margin-left: 10%!important;
    margin-right: 10%!important;
}
.banner-content-image-v1 {
    margin-left: 5%!important;
    margin-right: 10%!important;
}
.bottom-left {
    position: absolute;
    top: 70px;
    left: 0;
}
.side-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background-color: white;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.5);
    transition: right 0.3s ease;
    z-index: 1000;
}

.side-menu.active {
    right: 0;
}
h1 {
    font-size: 2.5rem;
    line-height: 1.25;
}
h2 {
    font-size: 1.5rem;
    line-height: 1.5;
    font-weight: 400;
}
.title {
    color: #1862AF;
    font-size: 1.5rem;
    font-weight: 650;
}
.sub-title {
    color: #000000;
    font-size: 1.25rem !important;
    line-height: 150%;
}
.limit-text {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    min-height: 48px;
}
.limit-text-2-line {
    -webkit-line-clamp: 2;
    line-clamp: 2;
    color: #0060AD;
}
.limit-text-4-line {
    min-height: 96px;
    -webkit-line-clamp: 4;
    line-clamp: 4;
}
.logo-partner {
    margin-right: 4rem;
}
.block-1 {
    position: relative; /* quan trọng: làm cha cho position tuyệt đối bên trong */
    width: 100%;
    height: 445px;
    background: url("../image/ai_home/bg_web_01.png");
    background-repeat: no-repeat;       /* Ngăn lặp ảnh */
    background-size: cover;             /* Giúp ảnh phủ kín toàn bộ phần tử */
    background-position: center center; /* Căn giữa ảnh */
    /*background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1000;
    !* padding: 130px 0; *!
    width: 100%;
    aspect-ratio: 1 / 0.3;
    display: flex;*/
    align-items: center;
}
.block-1-mobile {
    background: url("../image/ai_home/bg_mobile_06.png");
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1000;
    /* padding: 130px 0; */
    width: 100%;
    aspect-ratio: 1 / 0.3;
    display: flex;
    align-items: center;
}


.block-1 .des {
    width: 70%;
    margin-bottom: 2.5rem;
}

.block-1 .des:nth-child(1) {
    width: 80%;
}


.learning {
    color: #FFF;
    font-size: 1.5rem;
    padding: 10px 25px;
    flex-shrink: 0;
    border-radius: 20px;
    background: #B2302A;
    box-shadow: -11px 20px 20.1px 0px rgba(87, 94, 170, 0.10);
    border: var(--bs-btn-border-width) solid var(--bs-btn-border-color);
}
.instruct {
    color: #3A43A3;
    font-size: 1.5rem;
    padding: 10px 25px;
    flex-shrink: 0;
    border-radius: 20px;
    background: #F0F0F0;
    box-shadow: -11px 20px 20.1px 0px rgba(87, 94, 170, 0.10);
    border: var(--bs-btn-border-width) solid var(--bs-btn-border-color);
}

.learning:hover {
    box-shadow: 0 12px 16px 0 rgba(255, 255, 255, 0.24),0 17px 50px 0 rgba(255, 255, 255, 0.19);
    transition: transform .5s;
    transform: scale(1.1);
}

.instruct:hover {
    box-shadow: 0 12px 16px 0 rgba(255, 255, 255, 0.24),0 17px 50px 0 rgba(255, 255, 255, 0.19);
    transition: transform .5s;
    transform: scale(1.1);
}

.block-2 {
    background: url("../image/ai/bg_2.png");
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1000;
    width: 100%;
    aspect-ratio: 1 / 0.3;
}

.video iframe {
    border-radius: 20px;
    width: 60%;
    height: 500px;
    margin: auto;
}

.block-3 {
    background: url("../image/ai_home/block3.png");
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1000;
    width: 100%;
    aspect-ratio: 1 / 0.3;
    color: #FFFFFF;
}

.block-3 .title{
    margin-bottom: 80px;
    color: #FFFFFF;
}
.block-3 .img_item{
    width: 100px;
    height: 100px;
    margin-bottom: 35px;
}
.item-des {
    width: 65%;
}

.block-4 {
    background: url("../image/ai/bg_4.png");
    background-size: 100%;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1000;
    width: 100%;
    aspect-ratio: 1/0.6;
}
.course-item {
    padding: 1rem;
    border-radius: 10px;
    background: #FFF;
    box-shadow: 0 2.52631px 12.63157px 0 rgba(0, 0, 0, .25);
}

    .text {
        font-size: 1.25rem;
        color: #6D6D6D;
    }

    .course-img {
        height: 21.9vw;
        max-height: 205px;
        position: relative;
        background-position: center;
        background-size: cover;
        border-radius: 10px;
        width: 100%;
        margin-bottom: 2rem;
        object-fit: cover;
    }

    .btn-start-course {
        border-radius: 24px;
        padding: 10px 25px;
        margin-top: 10px;
        border: none;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #0268bb1a;
        color: #1890FF;
    }

    .sub-title p{
        overflow: hidden;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        min-height: 96px;
        -webkit-line-clamp: 4;
        line-clamp: 4;
    }

.text-step {
    color: #FFC107;
}

.slick-slide {
    height: auto !important;
}

.slick-next {
    right: 30px !important;
}

.slick-prev {
    left: 0 !important;
}

.slick-next::before {
    display: none !important;
}

.slick-prev::before {
    display: none !important;
}

.image-container {
    width: 100%;
    height: 200px;
    overflow: hidden;
}
.image-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.multiple-items {
    padding: 1rem 6rem;
}

header img {
    max-height: 60px;
}

footer {
    background-color: #323A5C;
}
footer p {
    margin-bottom: 0 !important;
}

.footer {
    /*background: url("../image/ai/footer_ai.jpg");*/
    background-size: 100% 100%;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1000;
    padding: 30px 0;
    width: 100%;
    aspect-ratio: 1 / 0.1;
}

.w-40 {
    width: 42%;
    margin: auto;
    line-height: 2rem;
}

.w-80 {
    width: 80%;
    margin: auto;
}
@media screen and (max-width: 1520px) and (orientation: landscape) {
    .block-1{
        height: 350px!important;
    }
    .bottom-left {
        top: -70px;
    }
}
@media screen and (max-width: 1366px) {
    .block-1{
        height: 320px!important;
    }
    .bottom-left {
        top: -70px;
    }
}

@media screen and (max-width: 1280px) {
    .logo-partner {
        margin-right: 2rem;
    }
    .logo-partner-mobile {
        display: none;
    }
    .limit-text {
        min-height: 40px;
    }
    .card {
        padding: 1rem 0;
        border-radius: 10px;
        background: #FFF;
        box-shadow: 0 2.52631px 12.63157px 0 rgba(0, 0, 0, .25);
    }
    .course-img {
        height: 21.9vw;
        max-height: 205px;
        border-radius: 10px;
        width: 100%;
        margin-bottom: 1.5rem;
    }

    .m-4 {
        margin: 1rem !important;
    }

    .slick-next {
        right: 10px !important;
    }

    .slick-prev {
        left: -20px !important;
    }

    .multiple-items {
        padding: 1rem 1rem;
    }
}

@media screen and (max-width: 1024px) {
    .block-1{
        height: 240px!important;
    }
    .bottom-left {
        top: -100px;
    }
    .logo-partner {
        margin-right: 0;
        width: 80%;
    }
    .logo-partner-mobile {
        display: none;
    }
    .py-5 {
        padding-bottom: 2rem !important;
        padding-top: 2rem !important;
    }
    header img {
        max-height: 60px;
    }
    h1 {
        font-size: 1.75rem;
        line-height: 1.25;
    }
    h2 {
        font-size: 1rem;
        line-height: 1.25;
        font-weight: 400;
    }
    .title {
        font-size: 1.25rem;
        font-weight: 650;
    }
    .sub-title {
        font-size: 1rem !important;
        line-height: 150%;
    }
    .limit-text {
        min-height: 40px;
    }

    .block-1 {
        aspect-ratio: 1 / 0.4;
    }
    .block-2 {
        aspect-ratio: 1 / 0.4;
    }
    .block-3 {
        aspect-ratio: 1 / 0.4;
    }
    .block-4 {
        aspect-ratio: 1 / 0.4;
    }

    .block-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .learning {
        font-size: 1rem;
        padding: 10px 25px;
        border-radius: 20px;
    }
    .instruct {
        font-size: 1rem;
        padding: 10px 25px;
    }
    .block-1 .des {
        width: 100%;

    }
    /* .block-1 .des:nth-child(1) {
        width: 80%;
    } */
    .video iframe {
        border-radius: 20px;
        width: 70%;
        height: 400px;
    }

    .block-3 .title{
        margin-bottom: 50px;
    }
    .block-3 .img_item{
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
    }
    .item-des {
        width: 100%;
    }
    .card {
        padding: 1rem 0;
        border-radius: 10px;
    }

        .course-img {
            margin-bottom: 1.25rem;
        }

        .btn-start-course {
            border-radius: 24px;
            padding: 10px 20px;
            margin-top: 10px;
        }


    .m-4 {
        margin: 1rem !important;
    }

    .slick-slide {
        height: auto !important;
    }

    .slick-next {
        right: 30px !important;
    }

    .slick-prev {
        left: 0 !important;
    }

    .image-container {
        width: 100%;
        height: 200px;
    }
    .multiple-items {
        padding: 1rem 3rem;
    }

    .w-40 {
        width: 65%;
        line-height: 1.5rem;
    }

    .w-80 {
        width: 100%;
        margin: auto;
    }

    footer {
        padding: 0;
    }

    footer .logo{
        /* width: 86% !important; */
        object-fit: cover;
    }

}

@media screen and (max-width: 768px) {
    .block-1{
        height: 180px!important;
    }
    .bottom-left {
        top: -150px;
    }
    .logo-partner {
        display: none;
    }
    .logo-partner-mobile {
        display: block;
    }
    .logo-vtc {
        display: none;
    }
    .py-5 {
        padding-bottom: 2rem !important;
        padding-top: 2rem !important;
    }
    header img {
        max-height: 60px;
    }
    h1 {
        font-size: 1.5rem;
        line-height: 1.25;
    }
    h2 {
        font-size: 1rem;
        line-height: 1.25;
        font-weight: 400;
    }
    .title {
        font-size: 1.15rem;
        font-weight: 650;
    }
    .sub-title {
        font-size: 1rem !important;
        line-height: 150%;
    }
    .limit-text {
        min-height: 40px;
    }

    .block-1 {
        aspect-ratio: 1 / 0.4;
    }
    .block-2 {
        aspect-ratio: 1 / 0.4;
    }
    .block-3 {
        aspect-ratio: 1 / 0.4;
    }
    .block-4 {
        aspect-ratio: 1 / 0.4;
    }

    .block-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .learning {
        font-size: 1rem;
        padding: 10px 25px;
        border-radius: 20px;
    }
    .instruct {
        font-size: 1rem;
        padding: 10px 25px;
    }
    .block-1 .des {
        width: 100%;
    }
    .video iframe {
        border-radius: 20px;
        width: 70%;
        height: 400px;
    }

    .block-3 .title{
        margin-bottom: 30px;
    }
    .block-3 .img_item{
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
    }
    .item-des {
        width: 50%;
    }
    .card {
        padding: 1rem 0;
        border-radius: 10px;
    }
    .course-img {
        margin-bottom: 1rem;
    }

    .btn-start-course {
        border-radius: 24px;
        padding: 5px 15px;
        margin-top: 10px;
    }

    .m-4 {
        margin: 1rem !important;
    }

    .slick-slide {
        height: auto !important;
    }

    .slick-next {
        right: 30px !important;
    }

    .slick-prev {
        left: 0 !important;
    }

    .image-container {
        width: 100%;
        height: 200px;
    }
    .multiple-items {
        padding: 1rem 3rem;
    }

    .w-40 {
        width: 65%;
        line-height: 1.5rem;
    }

    footer {
        padding: 0;
    }

    footer .logo{
        /* width: 86% !important; */
        object-fit: cover;
    }

    footer .column-left {
        text-align: center;
    }
}

@media screen and (max-width: 576px) {
    .py-5 {
        padding-bottom: 1rem !important;
        /*padding-top: 1rem !important;*/
    }
    /* header img {
        max-height: 30px;
    } */
    h1 {
        font-size: 1rem;
        line-height: 1.25;
    }
    h2 {
        font-size: 1rem;
        line-height: 1.25;
        font-weight: 400;
    }
    .title {
        font-size: 1rem;
        font-weight: 650;
    }
    .sub-title {
        font-size: 1rem !important;
        line-height: 1;
    }
    .limit-text {
        min-height: 20px;
    }

    .block-1 {
        aspect-ratio: 1 / 0.4;
    }
    .block-2 {
        aspect-ratio: 1 / 0.4;
    }
    .block-3 {
        aspect-ratio: 1 / 0.4;
    }
    .block-4 {
        aspect-ratio: 1 / 0.4;
    }

    .block-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    .learning {
        font-size: 1rem;
        padding: 5px 15px;
        border-radius: 20px;
    }
    .instruct {
        font-size: 0.75rem;
        padding: 5px 15px;
    }
    .block-1 .des {
        width: 100%;
    }
    .video iframe {
        border-radius: 20px;
        width: 100%;
        height: 250px;
    }

    .block-3 .title{
        margin-bottom: 15px;
    }
    .block-3 .img_item{
        width: 40px;
        height: 40px;
        margin-bottom: 10px;
    }
    .item-des {
        width: 80%;
    }
    .course-item {
        padding: 0.75rem;
        border-radius: 10px;
    }

        .course-img {
            height: 30vw;
            max-height: 200px;
            border-radius: 10px;
            width: 100%;
            margin-bottom: 1rem;
        }

        .btn-start-course {
            border-radius: 24px;
            padding: 5px 10px;
            margin-top: 5px;
            font-size: 1rem;
        }

        .sub-title p{
            overflow: hidden;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            min-height: 66px;
            -webkit-line-clamp: 4;
            line-clamp: 4;
            margin-bottom: 0;
        }


    .m-4 {
        margin: 1rem !important;
    }

    .slick-slide {
        height: auto !important;
    }

    .slick-next {
        right: 0px !important;
    }

    .slick-prev {
        left: -10px !important;
    }

    .image-container {
        width: 100%;
        height: 200px;
    }
    .multiple-items {
        padding: 0.5rem 1rem;
    }

    .w-40 {
        width: 90%;
        line-height: 1.25rem;
    }

    footer .logo{
        /* width: 86% !important; */
        object-fit: cover;
    }
    .col-sm-4:nth-child(n+2) {
        margin-top: 20px;
    }
}