/* Trang chi tiết giới thiệu Đức Thắng */
.dt-about-detail {
    --dt-detail-blue: #0755a5;
    --dt-detail-deep: #063b7e;
    --dt-detail-pink: #e92b7d;
    --dt-detail-yellow: #f4bd25;
    --dt-detail-ink: #294762;
    --dt-detail-muted: #71859a;
    background: url(/Design/img/TieuHocDucThang/dt-ab.png) no-repeat;
    background-size: 100% 100%;
}

    .dt-about-detail .detail-news .container,
    .dt-about-detail .detail-news-bottom {
        padding-top: 0;
    }

    .dt-about-detail .detail-news-bottom {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 370px;
        gap: 15px;
        padding-bottom: 15px;
    }

        .dt-about-detail .detail-news-bottom .my-left,
        .dt-about-detail .detail-news-bottom .my-right {
            float: none;
            width: auto;
        }

        .dt-about-detail .detail-news-bottom .my-right {
            padding-left: 0;
        }

.dt-about-article {
    position: relative;
    padding: 16px clamp(20px, 1vw, 42px) 16px;
    border: 0;
    border-radius: 26px;
    background: rgb(255 255 255 / 90%) !important;
    box-shadow: 0 18px 45px rgba(5, 73, 128, .1);
}

    .dt-about-article::before,
    .dt-about-article::after {
        content: "";
        position: absolute;
        pointer-events: none;
        border-radius: 50%;
    }

    .dt-about-article::before {
        top: -105px;
        right: -70px;
        width: 220px;
        height: 220px;
        border: 26px solid rgba(255, 210, 77, .16);
    }

    .dt-about-article::after {
        bottom: -80px;
        left: -70px;
        width: 160px;
        height: 160px;
        background: rgba(55, 198, 239, .08);
        content: "";
        position: absolute;
    }

    .dt-about-article > * {
        position: relative;
        z-index: 1;
    }

.dt-about-article-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 13px;
    padding: 7px 12px;
    border-radius: 999px;
    background: #eaf5ff;
    color: var(--dt-detail-blue);
    font-family: var(--htk-font-semibold);
    font-size: 14px;
    letter-spacing: .2px;
}

    .dt-about-article-kicker i {
        color: var(--dt-detail-pink);
    }

.dt-about-article-title {
    max-width: 820px;
    color: var(--dt-detail-deep);
    font-size: clamp(24px, 3vw, 24px);
    line-height: 1.5;
    text-align: left;
}

.dt-about-detail .options-bv {
    align-items: center;
    margin: 19px 0 22px;
    padding: 11px 0;
    border-top: 1px dashed #cfe0ed;
    border-bottom: 1px dashed #cfe0ed;
}

    .dt-about-detail .options-bv .op-left {
        gap: 8px;
    }

        .dt-about-detail .options-bv .op-left .item {
            margin-right: 0;
            padding: 7px 11px;
            background: #f1f8ff;
            color: var(--dt-detail-muted);
            font-size: 14px;
        }

            .dt-about-detail .options-bv .op-left .item svg,
            .dt-about-detail .options-bv .op-left .item i {
                color: var(--dt-detail-pink);
            }

.dt-about-lead {
    margin: 0 0 21px !important;
    padding: 17px 20px;
    border-left: 4px solid var(--dt-detail-yellow);
    border-radius: 0 16px 16px 0;
    background: #fff9e5;
    color: var(--dt-detail-ink) !important;
    font-family: var(--htk-font-semibold) !important;
    font-size: 16px !important;
    line-height: 1.75 !important;
    text-align: left !important;
}

.dt-about-toc {
    position: relative;
    z-index: 2;
    margin: 0 0 25px;
    border: 1px solid #d8e9f5;
    border-radius: 18px;
    background: #f7fcff;
    box-shadow: 0 8px 20px rgba(5, 73, 128, .06);
}

.dt-about-toc-heading {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-bottom: 1px solid #e1eef6;
}

.dt-about-toc-icon {
    display: inline-grid;
    flex: 0 0 34px;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 11px;
    background: #eaf3ff;
    color: var(--dt-detail-pink);
}

.dt-about-toc-heading > span:nth-child(2) {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.dt-about-toc-heading strong {
    color: var(--dt-detail-blue);
    font-family: var(--htk-font-bold);
    font-size: 16px;
}

.dt-about-toc-heading small {
    color: var(--dt-detail-muted);
    font-size: 14px;
}

.dt-about-toc-toggle {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    margin-left: auto;
    border: 0;
    border-radius: 9px;
    background: #fff;
    color: var(--dt-detail-blue);
    cursor: pointer;
    transition: transform .25s ease, background .25s ease;
}

    .dt-about-toc-toggle:hover {
        background: #eaf3ff;
    }

.dt-about-toc-list {
    display: grid;
    gap: 2px;
    max-height: 275px;
    margin: 0;
    padding: 10px 15px 12px 43px;
    overflow: auto;
    list-style: decimal;
    scrollbar-width: thin;
    scrollbar-color: #b9d9ed transparent;
}

    .dt-about-toc-list li {
        padding-left: 4px;
        color: var(--dt-detail-blue);
    }

        .dt-about-toc-list li::marker {
            color: var(--dt-detail-pink);
            font-family: var(--htk-font-bold);
        }

        .dt-about-toc-list li.is-subheading {
            margin-left: 17px;
            list-style-type: circle;
        }

    .dt-about-toc-list a {
        display: block;
        padding: 5px 8px;
        border-radius: 8px;
        color: var(--dt-detail-ink);
        font-family: var(--htk-font-medium);
        font-size: 16px;
        line-height: 1.4;
        transition: color .25s ease, background .25s ease, transform .25s ease;
    }

        .dt-about-toc-list a:hover,
        .dt-about-toc-list a.is-active {
            background: #eaf5ff;
            color: var(--dt-detail-pink);
            transform: translateX(3px);
        }

.dt-about-toc.is-collapsed .dt-about-toc-list {
    display: none;
}

.dt-about-toc.is-collapsed .dt-about-toc-toggle i {
    transform: rotate(180deg);
}

.dt-about-body h2,
.dt-about-body h3,
.dt-about-body h4 {
    scroll-margin-top: 105px;
}

.dt-about-article .dt-about-cover {
    display: block;
    width: 100%;
    max-height: 430px;
    margin: 0 0 28px;
    border-radius: 20px;
    background: #eaf5ff;
}

    .dt-about-article .dt-about-cover img {
        display: block;
        width: 100% !important;
        height: auto !important;
        max-height: 430px;
        object-fit: cover;
        border-radius: 20px;
    }

.dt-about-body {
    margin-top: 0 !important;
    color: var(--dt-detail-ink) !important;
    font-size: 16px !important;
    line-height: 1.85 !important;
    text-align: left !important;
}

    .dt-about-body p {
        margin: 0 0 17px;
    }

    .dt-about-body h2,
    .dt-about-body h3,
    .dt-about-body h4 {
        position: relative;
        margin: 27px 0 13px;
        padding-left: 16px;
        color: var(--dt-detail-blue);
        font-family: var(--htk-font-bold) !important;
        line-height: 1.35;
    }

        .dt-about-body h2::before,
        .dt-about-body h3::before,
        .dt-about-body h4::before {
            content: "";
            position: absolute;
            top: .2em;
            bottom: .2em;
            left: 0;
            width: 4px;
            border-radius: 5px;
            background: linear-gradient(180deg, var(--dt-detail-pink), var(--dt-detail-yellow));
        }

    .dt-about-body ul,
    .dt-about-body ol {
        padding-left: 24px;
    }

    .dt-about-body li::marker {
        color: var(--dt-detail-pink);
    }

    .dt-about-body img {
        max-width: 100%;
        height: auto !important;
        border-radius: 14px;
        box-shadow: 0 8px 20px rgba(5, 73, 128, .1);
    }

    .dt-about-body table {
        overflow: hidden;
        border: 1px solid #d6e6f2;
        border-radius: 12px;
    }

        .dt-about-body table th {
            background: #eaf5ff;
            color: var(--dt-detail-blue);
        }

.dt-about-detail .social {
    position: relative;
    z-index: 2;
    align-items: center;
    flex-direction: row;
    justify-content: space-between;
    gap: 15px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px dashed #cfe0ed;
}

    .dt-about-detail .social h3 {
        margin: 0;
        color: var(--dt-detail-blue);
        font-family: var(--htk-font-semibold);
        font-size: 14px;
    }

.dt-about-detail .social-list {
    gap: 9px;
}

.dt-about-detail .social .item {
    display: inline-flex;
    width: 38px;
    height: 38px;
    margin: 0;
    border: 0;
    border-radius: 12px;
    background: #eaf5ff;
    color: var(--dt-detail-blue);
}

    .dt-about-detail .social .item:hover {
        background: var(--dt-detail-pink);
        color: #fff;
        transform: translateY(-3px);
    }

.dt-about-sidebar {
    align-self: start;
}

.dt-about-widget {
    overflow: hidden;
    margin-bottom: 19px;
    border: 0 !important;
    border-radius: 21px !important;
    background: rgb(255 255 255 / 90%) !important;
    box-shadow: 0 13px 32px rgba(5, 73, 128, .1);
}

.dt-about-widget-title {
    display: flex !important;
    align-items: center;
    gap: 10px;
    min-height: 58px;
    padding: 13px 18px !important;
    background: linear-gradient(110deg, var(--dt-detail-blue), #159dd2) !important;
    color: #fff !important;
    font-family: var(--htk-font-bold) !important;
    font-size: 17px !important;
    letter-spacing: .2px;
}

    .dt-about-widget-title::after {
        display: none;
    }

    .dt-about-widget-title i {
        display: inline-grid;
        place-items: center;
        width: 31px;
        height: 31px;
        border-radius: 10px;
        background: rgba(255, 255, 255, .19);
        color: #ffd24d;
        font-size: 15px;
    }

.dt-about-category-list {
    padding: 7px 14px 10px !important;
}

    .dt-about-category-list .side-news-link {
        align-items: center;
        gap: 10px;
        padding: 12px 3px;
        border-bottom: 1px dashed #dbe8f1;
    }

        .dt-about-category-list .side-news-link:last-child {
            border-bottom: 0;
        }

        .dt-about-category-list .side-news-link .index {
            flex: 0 0 29px;
            width: 29px;
            height: 29px;
            margin: 0;
            background: #fff1c7;
            color: #a26b00;
            font-size: 14px;
        }

        .dt-about-category-list .side-news-link:nth-child(even) .index {
            background: #ffe8f2;
            color: var(--dt-detail-pink);
        }

        .dt-about-category-list .side-news-link h3 {
            padding: 0;
            color: var(--dt-detail-ink);
            font-family: var(--htk-font-semibold);
            font-size: 14px;
            line-height: 1.4;
        }

        .dt-about-category-list .side-news-link:hover {
            background: transparent;
        }

            .dt-about-category-list .side-news-link:hover h3 {
                color: var(--dt-detail-pink);
            }

.dt-about-popular-list {
    padding: 8px 13px 10px;
}

.dt-about-popular-item {
    align-items: flex-start;
    gap: 11px;
    padding: 11px 2px;
    border-bottom: 1px dashed #dbe8f1 !important;
}

    .dt-about-popular-item:last-child {
        border-bottom: 0 !important;
    }

    .dt-about-popular-item .img {
        flex: 0 0 86px;
        width: 86px;
        height: 68px;
        border-radius: 13px;
    }

        .dt-about-popular-item .img img {
            transition: transform .35s ease;
        }

    .dt-about-popular-item:hover .img img {
        transform: scale(1.08);
    }

    .dt-about-popular-item .content {
        margin-left: 0 !important;
        min-width: 0;
    }

        .dt-about-popular-item .content h6 {
            color: var(--dt-detail-pink) !important;
            font-size: 10px !important;
        }

        .dt-about-popular-item .content h3 {
            height: auto !important;
            margin-top: 4px !important;
            color: var(--dt-detail-ink) !important;
            font-family: var(--htk-font-semibold) !important;
            font-size: 14px !important;
            line-height: 1.5 !important;
            -webkit-line-clamp: 3;
        }

    .dt-about-popular-item:hover .content h3 {
        color: var(--dt-detail-pink) !important;
    }

    .dt-about-popular-item .WDateViewNewHome {
        display: flex;
        gap: 8px;
        margin-top: 6px;
        font-size: 10px;
    }

        .dt-about-popular-item .WDateViewNewHome svg {
            width: 11px;
            height: 11px;
        }

.dt-about-detail .list-mini-banner-l {
    padding: 10px;
    border: 0;
    border-radius: 19px;
    background: rgb(255 255 255 / 70%) !important;
    box-shadow: 0 13px 32px rgba(5, 73, 128, .1);
}

    .dt-about-detail .list-mini-banner-l .side-img.p-side-item {
        overflow: hidden;
        border-radius: 13px;
    }

@media (max-width: 1023px) {
    .dt-about-detail .detail-news-bottom {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .dt-about-sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .dt-about-widget {
        margin-bottom: 0;
    }

    .dt-about-detail .list-mini-banner-l {
        grid-column: 1 / -1;
    }
}

@media (max-width: 739px) {
    .dt-about-detail .detail-news-bottom {
        display: block;
        padding-bottom: 30px;
    }

    .dt-about-article {
        padding: 22px 16px 25px;
        border-radius: 20px;
    }

    .dt-about-article-title {
        font-size: 17px;
    }

    .dt-about-lead {
        padding: 13px 14px;
        font-size: 14px !important;
        line-height: 1.65 !important;
        text-align: justify !important;
    }

    .dt-about-article .dt-about-cover,
    .dt-about-article .dt-about-cover img {
        max-height: 260px;
        border-radius: 15px;
    }

    .dt-about-body {
        font-size: 15px !important;
        line-height: 1.75 !important;
    }

    .dt-about-detail .social {
        align-items: flex-start;
        flex-direction: column;
    }

    .dt-about-sidebar {
        display: block;
    }

    .dt-about-widget {
        margin-bottom: 20px !important;
        border-radius: 17px !important;
    }

    .dt-about-widget-title {
        min-height: 52px;
        font-size: 15px !important;
    }

    .dt-about-category-list .side-news-link h3,
    .dt-about-popular-item .content h3 {
        font-size: 14px !important;
    }
}

/* Tin đọc nhiều - vertical Swiper */
.dt-about-popular-swiper {
    position: relative;
    height: 530px;
    margin: 0 !important;
    padding: 6px 13px 12px;
    overflow: hidden;
}

    .dt-about-popular-swiper .swiper-wrapper {
        display: flex;
        align-items: stretch;
    }

    .dt-about-popular-swiper .swiper-slide {
        display: flex;
        width: 100%;
        height: auto;
        flex-shrink: 0;
    }

    .dt-about-popular-swiper .dt-about-popular-item {
        box-sizing: border-box;
    }

.dt-about-popular-arrow {
    position: absolute;
    right: 10px;
    z-index: 5;
    display: inline-grid;
    place-items: center;
    width: 25px;
    height: 25px;
    border: 1px solid #d3e7f2;
    border-radius: 8px;
    background: rgba(255, 255, 255, .92);
    color: var(--dt-detail-blue);
    font-size: 10px;
    cursor: pointer;
    opacity: .82;
    transition: transform .25s ease, background .25s ease, color .25s ease, opacity .25s ease;
}

.dt-about-popular-prev {
    top: 9px;
}

.dt-about-popular-next {
    bottom: 10px;
}

.dt-about-popular-arrow:hover {
    background: var(--dt-detail-pink);
    border-color: var(--dt-detail-pink);
    color: #fff;
    opacity: 1;
    transform: scale(1.08);
}

.dt-about-popular-arrow.swiper-button-disabled {
    opacity: .35;
    pointer-events: none;
}

@media (max-width: 739px) {
    .dt-about-popular-swiper {
        height: 495px;
        padding-right: 10px;
        padding-left: 10px;
    }

        .dt-about-popular-swiper .dt-about-popular-item {
            padding: 12px 10px;
        }

            .dt-about-popular-swiper .dt-about-popular-item .img {
                flex-basis: 94px;
                width: 94px;
                height: 94px;
            }

            .dt-about-popular-swiper .dt-about-popular-item .content h3 {
                font-size: 12px !important;
            }
}

@media (prefers-reduced-motion: reduce) {
    .dt-about-detail * {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
    }
}

/* Layout repair: the legacy clearfix must not become a third grid item. */
.dt-about-detail .detail-news-bottom {
}

    .dt-about-detail .detail-news-bottom::before,
    .dt-about-detail .detail-news-bottom::after {
        display: none !important;
    }

    .dt-about-detail .detail-news-bottom .my-left,
    .dt-about-detail .detail-news-bottom .my-right,
    .dt-about-detail .detail-news-bottom .detail-news-wrap {
        box-sizing: border-box;
        min-width: 0;
    }

.dt-about-detail .dt-about-sidebar {
    min-width: 0;
}

.dt-about-popular {
    isolation: isolate;
}

.dt-about-popular-list {
    display: grid;
    gap: 0;
}

.dt-about-popular-item {
    position: relative;
    min-width: 0;
    padding: 13px 2px 13px 31px;
    background: transparent;
    transition: background .25s ease, transform .25s ease;
}

    .dt-about-popular-item:hover {
        background: #f5fbff;
        transform: translateX(3px);
    }

.dt-about-popular-rank {
    position: absolute;
    top: 15px;
    left: 0;
    z-index: 2;
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    border: 2px solid #fff;
    border-radius: 50%;
    background: var(--dt-detail-blue);
    color: #fff;
    font-family: var(--htk-font-bold);
    font-size: 12px;
    box-shadow: 0 3px 8px rgba(5, 73, 128, .18);
}

.dt-about-popular-item:nth-child(1) .dt-about-popular-rank {
    background: #f0ad00;
}

.dt-about-popular-item:nth-child(2) .dt-about-popular-rank {
    background: #5f86a4;
}

.dt-about-popular-item:nth-child(3) .dt-about-popular-rank {
    background: #c9784b;
}

.dt-about-popular-item .img {
    flex-basis: 109px;
    width: 99px;
    height: 74px;
    border: 1px solid #e1eef6;
    box-shadow: 0 5px 13px rgba(5, 73, 128, .08);
}

.dt-about-popular-item .content h3 {
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dt-about-popular-item .WDateViewNewHome {
    align-items: center;
    color: #8b9cab;
}

.dt-about-popular-item .WDateNewHome,
.dt-about-popular-item .WViewNewHome {
    align-items: center;
    margin: 0;
}

@media (max-width: 1023px) {
    .dt-about-detail .detail-news-bottom {
        display: grid !important;
    }
}

@media (max-width: 739px) {
    .dt-about-detail .detail-news-bottom {
        display: block !important;
    }

    .dt-about-toc-list {
        max-height: 230px;
        padding-left: 37px;
    }

    .dt-about-popular-item {
        padding-left: 31px;
    }
}

/* Keep the Swiper viewport above legacy list rules. */
.dt-about-popular-swiper.dt-about-popular-list {
    display: block;
    box-sizing: border-box;
}

    .dt-about-popular-swiper.dt-about-popular-list > .swiper-wrapper {
        display: flex;
        flex-direction: column;
    }