.loading-main {
    display: none;
}

.loading-main {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
}

.loading-background {
    background: #000;
    width: 100%;
    height: 100%;
    opacity: 0.6;
    position: absolute;
    top: 0;
    left: 0;
}

.u-loading {
    display: block;
    position: relative;
    left: 50%;
    top: 50%;
    width: 150px;
    height: 150px;
    margin: -75px 0 0 -75px;
    border-radius: 50%;
    border: 3px solid transparent;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}

.u-loading__symbol {
    padding: 8px;
    border-radius: 5px;
}

    .u-loading__symbol img {
        display: block;
        max-width: 100%;
    }

.spinner {
    font-size: 28px;
    position: relative;
    display: inline-block;
    width: 1em;
    height: 1em;
}

    .spinner.center {
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        margin: auto;
    }

    .spinner .spinner-blade {
        position: absolute;
        left: 0.4629em;
        bottom: 0;
        width: 0.074em;
        height: 0.2777em;
        border-radius: 0.0555em;
        background-color: #000;
        -webkit-transform-origin: center -0.2222em;
        -ms-transform-origin: center -0.2222em;
        transform-origin: center -0.2222em;
        animation: spinner-fade9234 1s infinite linear;
    }

        .spinner .spinner-blade:nth-child(1) {
            -webkit-animation-delay: 0s;
            animation-delay: 0s;
            -webkit-transform: rotate(0deg);
            -ms-transform: rotate(0deg);
            transform: rotate(0deg);
        }

        .spinner .spinner-blade:nth-child(2) {
            -webkit-animation-delay: 0.083s;
            animation-delay: 0.083s;
            -webkit-transform: rotate(30deg);
            -ms-transform: rotate(30deg);
            transform: rotate(30deg);
        }

        .spinner .spinner-blade:nth-child(3) {
            -webkit-animation-delay: 0.166s;
            animation-delay: 0.166s;
            -webkit-transform: rotate(60deg);
            -ms-transform: rotate(60deg);
            transform: rotate(60deg);
        }

        .spinner .spinner-blade:nth-child(4) {
            -webkit-animation-delay: 0.249s;
            animation-delay: 0.249s;
            -webkit-transform: rotate(90deg);
            -ms-transform: rotate(90deg);
            transform: rotate(90deg);
        }

        .spinner .spinner-blade:nth-child(5) {
            -webkit-animation-delay: 0.332s;
            animation-delay: 0.332s;
            -webkit-transform: rotate(120deg);
            -ms-transform: rotate(120deg);
            transform: rotate(120deg);
        }

        .spinner .spinner-blade:nth-child(6) {
            -webkit-animation-delay: 0.415s;
            animation-delay: 0.415s;
            -webkit-transform: rotate(150deg);
            -ms-transform: rotate(150deg);
            transform: rotate(150deg);
        }

        .spinner .spinner-blade:nth-child(7) {
            -webkit-animation-delay: 0.498s;
            animation-delay: 0.498s;
            -webkit-transform: rotate(180deg);
            -ms-transform: rotate(180deg);
            transform: rotate(180deg);
        }

        .spinner .spinner-blade:nth-child(8) {
            -webkit-animation-delay: 0.581s;
            animation-delay: 0.581s;
            -webkit-transform: rotate(210deg);
            -ms-transform: rotate(210deg);
            transform: rotate(210deg);
        }

        .spinner .spinner-blade:nth-child(9) {
            -webkit-animation-delay: 0.664s;
            animation-delay: 0.664s;
            -webkit-transform: rotate(240deg);
            -ms-transform: rotate(240deg);
            transform: rotate(240deg);
        }

        .spinner .spinner-blade:nth-child(10) {
            -webkit-animation-delay: 0.747s;
            animation-delay: 0.747s;
            -webkit-transform: rotate(270deg);
            -ms-transform: rotate(270deg);
            transform: rotate(270deg);
        }

        .spinner .spinner-blade:nth-child(11) {
            -webkit-animation-delay: 0.83s;
            animation-delay: 0.83s;
            -webkit-transform: rotate(300deg);
            -ms-transform: rotate(300deg);
            transform: rotate(300deg);
        }

        .spinner .spinner-blade:nth-child(12) {
            -webkit-animation-delay: 0.913s;
            animation-delay: 0.913s;
            -webkit-transform: rotate(330deg);
            -ms-transform: rotate(330deg);
            transform: rotate(330deg);
        }

@keyframes spinner-fade9234 {
    0% {
        background-color: #69717d;
    }

    100% {
        background-color: transparent;
    }
}

@keyframes loading {
    0% {
        transform: perspective(250px) rotateX(0deg) rotateY(0deg);
    }

    15% {
        background-color: #71AEA5;
    }

    16% {
        background-color: #E85700;
    }

    50% {
        transform: perspective(250px) rotateX(180deg) rotateY(0deg);
        background-color: #E85700;
    }

    65% {
        background-color: #E85700;
    }

    66% {
        background-color: #71AEA5;
    }

    100% {
        transform: perspective(250px) rotateX(180deg) rotateY(-180deg);
    }
}

@keyframes loading-icon {
    0% {
        transform: perspective(250px) rotateX(0deg) rotateY(0deg);
    }

    15% {
        transform: perspective(250px) rotateX(0deg) rotateY(0deg);
    }

    16% {
        transform: perspective(250px) rotateX(180deg) rotateY(0deg);
    }

    50% {
        transform: perspective(250px) rotateX(180deg) rotateY(0deg);
    }

    65% {
        transform: perspective(250px) rotateX(180deg) rotateY(0deg);
    }

    66% {
        transform: perspective(250px) rotateX(180deg) rotateY(180deg);
    }

    100% {
        transform: perspective(250px) rotateX(180deg) rotateY(180deg);
    }
}



.zalome {
    position: fixed;
    bottom: 6em;
    left: 10px;
    margin: 10px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    -moz-border-radius: 50%;
    -webkit-border-radius: 50%;
    background-color: #004A7F;
    color: #FFFFFF;
    cursor: pointer;
    display: inline-block;
    font-family: Arial;
    font-size: 20px;
    padding: -10px -10px;
    text-align: center;
    text-decoration: none;
    z-index: 20;
}

@-webkit-keyframes glowing {
    0% {
        background-color: #004A7F;
        -webkit-box-shadow: 0 0 3px #004A7F;
    }

    50% {
        background-color: #0094FF;
        -webkit-box-shadow: 0 0 10px #0094FF;
    }

    100% {
        background-color: #004A7F;
        -webkit-box-shadow: 0 0 3px #004A7F;
    }
}

@-moz-keyframes glowing {
    0% {
        background-color: #004A7F;
        -moz-box-shadow: 0 0 3px #004A7F;
    }

    50% {
        background-color: #0094FF;
        -moz-box-shadow: 0 0 10px #0094FF;
    }

    100% {
        background-color: #004A7F;
        -moz-box-shadow: 0 0 3px #004A7F;
    }
}

@-o-keyframes glowing {
    0% {
        background-color: #004A7F;
        box-shadow: 0 0 3px #004A7F;
    }

    50% {
        background-color: #0094FF;
        box-shadow: 0 0 10px #0094FF;
    }

    100% {
        background-color: #004A7F;
        box-shadow: 0 0 3px #004A7F;
    }
}

@keyframes glowing {
    0% {
        background-color: #004A7F;
        box-shadow: 0 0 3px #004A7F;
    }

    50% {
        background-color: #0094FF;
        box-shadow: 0 0 10px #0094FF;
    }

    100% {
        background-color: #004A7F;
        box-shadow: 0 0 3px #004A7F;
    }
}

.zalome {
    -webkit-animation: glowing 1500ms infinite;
    -moz-animation: glowing 1500ms infinite;
    -o-animation: glowing 1500ms infinite;
    animation: glowing 1500ms infinite;
}


/*phone*/
.quick-alo-phone .quick-alo-show {
}

.quick-alo-phone {
    position: fixed;
    background-color: transparent;
    height: 200px;
    width: 82px;
    height: 64px;
    bottom: 4em;
    left: 10px;
    cursor: pointer;
    z-index: 200000 !important;
    -webkit-backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transition: visibility .5s;
    z-index: 20;
}

    .quick-alo-phone .quick-alo-green .quick-alo-ph-circle {
        border-color: #00A1FF;
        opacity: 0.5;
    }



    .quick-alo-phone .quick-alo-green .quick-alo-ph-circle-fill {
        background-color: rgb(246, 202, 98);
        opacity: .75 !important;
    }

.quick-alo-ph-circle-fill {
    position: fixed;
    width: 100px;
    height: 100px;
    bottom: 4em;
    left: 7px;
    background-color: rgba(0, 161, 255, 0.5);
    border-radius: 100%;
    border: 2px solid transparent;
    opacity: .1;
    animation: quick-alo-circle-fill-anim 2.3s infinite ease-in-out;
    transition: all .5s;
    transform-origin: 50% 50%;
    z-index: 20;
}

.quick-alo-phone.quick-alo-green .quick-alo-ph-img-circle {
    background-color: rgb(55,100,185);
}

.quick-alo-ph-img-circle {
    margin: 10px;
    width: 60px;
    height: 60px;
    bottom: 4em;
    left: 10px;
    background: rgb(55,100,185) url("data:image/png;base64,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") no-repeat center center;
    border-radius: 100%;
    border: 2px solid transparent;
    opacity: .99;
    animation: quick-alo-circle-img-anim 1s infinite ease-in-out;
    transform-origin: 50% 50%;
    z-index: 20;
}

.quick-alo-phone .quick-alo-green .quick-alo-hover .quick-alo-ph-img-circle,
.quick-alo-phone.quick-alo-green:hover .quick-alo-ph-img-circle {
    background-color: #ff0101;
}

@-moz-keyframes quick-alo-circle-anim {
    0% {
        -moz-transform: rotate(0) scale(.5) skew(1deg);
        opacity: .1;
        -moz-opacity: .1;
        -webkit-opacity: .1;
        -o-opacity: .1
    }

    30% {
        -moz-transform: rotate(0) scale(.7) skew(1deg);
        opacity: .5;
        -moz-opacity: .5;
        -webkit-opacity: .5;
        -o-opacity: .5
    }

    100% {
        -moz-transform: rotate(0) scale(1) skew(1deg);
        opacity: .6;
        -moz-opacity: .6;
        -webkit-opacity: .6;
        -o-opacity: .1
    }
}

@-webkit-keyframes quick-alo-circle-anim {
    0% {
        -webkit-transform: rotate(0) scale(.5) skew(1deg);
        -webkit-opacity: .1
    }

    30% {
        -webkit-transform: rotate(0) scale(.7) skew(1deg);
        -webkit-opacity: .5
    }

    100% {
        -webkit-transform: rotate(0) scale(1) skew(1deg);
        -webkit-opacity: .1
    }
}

@-o-keyframes quick-alo-circle-anim {
    0% {
        -o-transform: rotate(0) kscale(.5) skew(1deg);
        -o-opacity: .1
    }

    30% {
        -o-transform: rotate(0) scale(.7) skew(1deg);
        -o-opacity: .5
    }

    100% {
        -o-transform: rotate(0) scale(1) skew(1deg);
        -o-opacity: .1
    }
}

@-moz-keyframes quick-alo-circle-fill-anim {
    0% {
        -moz-transform: rotate(0) scale(.7) skew(1deg);
        opacity: .2
    }

    50% {
        -moz-transform: rotate(0) -moz-scale(1) skew(1deg);
        opacity: .2
    }

    100% {
        -moz-transform: rotate(0) scale(.7) skew(1deg);
        opacity: .2
    }
}

@-webkit-keyframes quick-alo-circle-fill-anim {
    0% {
        -webkit-transform: rotate(0) scale(.7) skew(1deg);
        opacity: .2
    }

    50% {
        -webkit-transform: rotate(0) scale(1) skew(1deg);
        opacity: .2
    }

    100% {
        -webkit-transform: rotate(0) scale(.7) skew(1deg);
        opacity: .2
    }
}

@-o-keyframes quick-alo-circle-fill-anim {
    0% {
        -o-transform: rotate(0) scale(.7) skew(1deg);
        opacity: .2
    }

    50% {
        -o-transform: rotate(0) scale(1) skew(1deg);
        opacity: .2
    }

    100% {
        -o-transform: rotate(0) scale(.7) skew(1deg);
        opacity: .2
    }
}

@-moz-keyframes quick-alo-circle-img-anim {
    0% {
        transform: rotate(0) scale(1) skew(1deg)
    }

    10% {
        -moz-transform: rotate(-25deg) scale(1) skew(1deg)
    }

    20% {
        -moz-transform: rotate(25deg) scale(1) skew(1deg)
    }

    30% {
        -moz-transform: rotate(-25deg) scale(1) skew(1deg)
    }

    40% {
        -moz-transform: rotate(25deg) scale(1) skew(1deg)
    }

    50% {
        -moz-transform: rotate(0) scale(1) skew(1deg)
    }

    100% {
        -moz-transform: rotate(0) scale(1) skew(1deg)
    }
}

@-webkit-keyframes quick-alo-circle-img-anim {
    0% {
        -webkit-transform: rotate(0) scale(1) skew(1deg)
    }

    10% {
        -webkit-transform: rotate(-25deg) scale(1) skew(1deg)
    }

    20% {
        -webkit-transform: rotate(25deg) scale(1) skew(1deg)
    }

    30% {
        -webkit-transform: rotate(-25deg) scale(1) skew(1deg)
    }

    40% {
        -webkit-transform: rotate(25deg) scale(1) skew(1deg)
    }

    50% {
        -webkit-transform: rotate(0) scale(1) skew(1deg)
    }

    100% {
        -webkit-transform: rotate(0) scale(1) skew(1deg)
    }
}

@-o-keyframes quick-alo-circle-img-anim {
    0% {
        -o-transform: rotate(0) scale(1) skew(1deg)
    }

    10% {
        -o-transform: rotate(-25deg) scale(1) skew(1deg)
    }

    20% {
        -o-transform: rotate(25deg) scale(1) skew(1deg)
    }

    30% {
        -o-transform: rotate(-25deg) scale(1) skew(1deg)
    }

    40% {
        -o-transform: rotate(25deg) scale(1) skew(1deg)
    }

    50% {
        -o-transform: rotate(0) scale(1) skew(1deg)
    }

    100% {
        -o-transform: rotate(0) scale(1) skew(1deg)
    }
}

@-moz-keyframes fadeInRight {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(100%, 0, 0);
        -ms-transform: translate3d(100%, 0, 0);
        transform: translate3d(100%, 0, 0)
    }

    100% {
        opacity: 1;
        -webkit-transform: none;
        -ms-transform: none;
        transform: none
    }
}

@-webkit-keyframes fadeInRight {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(100%, 0, 0);
        -ms-transform: translate3d(100%, 0, 0);
        transform: translate3d(100%, 0, 0)
    }

    100% {
        opacity: 1;
        -webkit-transform: none;
        -ms-transform: none;
        transform: none
    }
}

@-o-keyframes fadeInRight {
    0% {
        opacity: 0;
        -webkit-transform: translate3d(100%, 0, 0);
        -ms-transform: translate3d(100%, 0, 0);
        transform: translate3d(100%, 0, 0)
    }

    100% {
        opacity: 1;
        -webkit-transform: none;
        -ms-transform: none;
        transform: none
    }
}

.course-item .one-line a {
    color: var(--color-dark);
    font-size: 18px;
    text-transform: capitalize;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    max-width: 100%;
    min-width: 0;
}

.course-item:hover .one-line a {
    white-space: normal; /* bỏ 1 dòng */
    overflow: visible; /* hiển thị đầy đủ */
}

.course-area .course-item .lecture, #blogHome .blog-info p, .org_row .lecture {
    display: -webkit-box;
    -webkit-line-clamp: 3; /* số dòng tối đa */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

#blogHome .blog-title a, #list_video .course-title a, .user-course .course-title a {
    display: -webkit-box;
    -webkit-line-clamp: 2; /* số dòng tối đa */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

#list_video .course-img a img {
    max-height: 200px;
    object-fit: cover;
}

.mobile-only {
    display: none;
}
/* ≥ 576px */
@media (min-width: 576px) {
}

/*ipad*/
@media only screen and (min-width: 47em) and (max-width: 1597px) {
    .offcanvas-body .mobile-only {
        display: block !important;
    }
}
/*mobile*/
/* ≥ 768px */
@media only screen and (max-width: 47em) {
    .offcanvas-body .mobile-only {
        display: block !important;
    }
}

/* ≥ 992px laptop */
@media (min-width: 992px) {
}

/* ≥ 1200px */
@media (min-width: 1200px) {
}