:root {
    --dk-about-primary: #0b63f6;
    --dk-about-primary-dark: #06245d;
    --dk-about-accent: #ff8a00;
    --dk-about-text: #0b1f3a;
    --dk-about-muted: #5f6f86;
    --dk-about-soft: #f5f9ff;
    --dk-about-band: #eef6ff;
    --dk-about-border: #dde8f6;
    --dk-about-white: #fff;
}

.dktic-about-page {
    background: #fff;
    color: var(--dk-about-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.dktic-about-page * {
    box-sizing: border-box;
}

.dktic-about-page a {
    color: inherit;
}

.dktic-about-container {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
}

.dktic-about-hero {
    min-height: 300px;
    display: flex;
    align-items: center;
    background-image: linear-gradient(90deg, rgba(4, 45, 122, .92), rgba(8, 101, 230, .52)), url("../../img/pages/baner-about.png");
    background-position: center;
    background-size: cover;
}

.about-hero-content {
    max-width: 660px;
}

.about-hero-content h1,
.about-brand-content h2,
.about-section-head h2,
.about-section-row-head h2,
.about-cta-box h2 {
    margin: 0;
    color: var(--dk-about-text);
    font-weight: 900;
    line-height: 1.25;
}

.about-hero-content h1 {
    color: #fff;
    font-size: 46px;
}

.about-hero-content p {
    margin: 14px 0 26px;
    color: rgba(255, 255, 255, .92);
    font-size: 21px;
    line-height: 1.55;
    font-weight: 700;
}

.about-breadcrumb {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, .82);
    font-size: 14px;
}

.about-breadcrumb a {
    color: #fff;
    text-decoration: none;
}

.about-breadcrumb i {
    font-size: 12px;
}

.about-brand-section,
.about-values-section,
.about-advantages-section,
.about-timeline-section,
.about-teachers-section,
.about-partners-section,
.about-cta-section {
    padding: 54px 0;
}

.about-values-section,
.about-teachers-section {
    background: var(--dk-about-soft);
}

.about-advantages-section,
.about-partners-section {
    background: #fff;
}

.about-timeline-section,
.about-cta-section {
    background: var(--dk-about-band);
}

.about-brand-grid {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 36px;
    align-items: center;
}

.about-brand-image img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    border: 1px solid var(--dk-about-border);
    border-radius: 8px;
    box-shadow: 0 14px 34px rgba(6, 36, 93, .1);
}

.section-kicker {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-bottom: 12px;
    padding-left: 13px;
    color: var(--dk-about-primary);
    font-size: 15px;
    font-weight: 800;
}

.section-kicker::before {
    position: absolute;
    left: 0;
    width: 4px;
    height: 18px;
    border-radius: 4px;
    background: var(--dk-about-primary);
    content: "";
}

.about-brand-content h2 {
    margin-bottom: 16px;
    font-size: 30px;
}

.about-brand-content > p,
.about-section-head p,
.advantage-card p,
.value-card p,
.teacher-card li,
.about-cta-box p {
    color: var(--dk-about-muted);
    line-height: 1.78;
}

.about-brand-content > p {
    margin: 0 0 12px;
    font-size: 15px;
}

.brand-point-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 20px;
}

.brand-point-item {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 10px;
    align-items: start;
    min-height: 104px;
    padding: 14px;
    border: 1px solid var(--dk-about-border);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 10px 28px rgba(6, 36, 93, .06);
}

.brand-point-item i,
.brand-stat-card i,
.value-card i,
.advantage-card i,
.cta-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--dk-about-primary);
    background: #e9f2ff;
}

.brand-point-item i {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    font-size: 17px;
}

.brand-point-item h3,
.value-card h3,
.advantage-card h3,
.teacher-card h3 {
    margin: 0;
    color: var(--dk-about-text);
    font-size: 17px;
    line-height: 1.35;
}

.brand-point-item p {
    margin: 6px 0 0;
    color: var(--dk-about-muted);
    font-size: 13px;
    line-height: 1.65;
}

.brand-stats {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
}

.brand-stat-card {
    display: grid;
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
    align-items: center;
    min-height: 76px;
    padding: 14px;
    border: 1px solid var(--dk-about-border);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 10px 28px rgba(6, 36, 93, .06);
}

.brand-stat-card i {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    font-size: 19px;
}

.brand-stat-card strong {
    display: block;
    color: var(--dk-about-primary);
    font-size: 22px;
    line-height: 1.1;
}

.brand-stat-card span {
    display: block;
    margin-top: 5px;
    color: var(--dk-about-muted);
    font-size: 13px;
}

.about-section-head,
.about-section-row-head {
    margin-bottom: 28px;
}

.about-section-head {
    text-align: center;
}

.about-section-head.is-left {
    text-align: left;
}

.about-section-head h2,
.about-section-row-head h2 {
    font-size: 26px;
}

.about-section-head p {
    max-width: 760px;
    margin: 12px auto 0;
    font-size: 15px;
}

.about-section-head.is-left p {
    margin-left: 0;
}

.about-section-row-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.about-section-row-head a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: var(--dk-about-primary);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.value-card {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    min-height: 132px;
    padding: 22px;
    border: 1px solid var(--dk-about-border);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 12px 30px rgba(6, 36, 93, .06);
}

.value-card i {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    color: #fff;
    background: var(--dk-about-primary);
    font-size: 23px;
}

.value-card p {
    margin: 8px 0 0;
    font-size: 14px;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 14px;
}

.advantage-card {
    min-height: 180px;
    padding: 22px 16px;
    border: 1px solid var(--dk-about-border);
    border-radius: 8px;
    background: #fff;
    text-align: center;
    box-shadow: 0 10px 26px rgba(6, 36, 93, .06);
}

.advantage-card i {
    width: 50px;
    height: 50px;
    margin-bottom: 14px;
    border-radius: 8px;
    font-size: 22px;
}

.advantage-card h3 {
    font-size: 16px;
}

.advantage-card p {
    margin: 9px 0 0;
    font-size: 13px;
}

.timeline-list {
    position: relative;
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 14px;
}

.timeline-list::before {
    position: absolute;
    top: 17px;
    right: 52px;
    left: 52px;
    height: 2px;
    border-top: 2px dashed rgba(11, 99, 246, .35);
    content: "";
}

.timeline-item {
    position: relative;
    min-height: 132px;
    padding-top: 36px;
    text-align: center;
}

.timeline-item span {
    position: absolute;
    top: 0;
    left: 50%;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 6px solid var(--dk-about-band);
    border-radius: 50%;
    color: var(--dk-about-primary);
    background: var(--dk-about-primary);
    box-shadow: 0 0 0 1px rgba(11, 99, 246, .18);
    transform: translateX(-50%);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
}

.timeline-item p {
    margin: 12px 0 0;
    color: var(--dk-about-muted);
    font-size: 13px;
    line-height: 1.65;
}

.teacher-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.teacher-card {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 14px;
    align-items: center;
    min-height: 142px;
    padding: 16px;
    border: 1px solid var(--dk-about-border);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 10px 26px rgba(6, 36, 93, .06);
}

.teacher-card img {
    display: block;
    width: 92px;
    height: 110px;
    object-fit: cover;
    border-radius: 8px;
    background: #edf3fb;
}

.teacher-info span {
    display: inline-flex;
    margin-top: 6px;
    padding: 4px 8px;
    border-radius: 999px;
    color: var(--dk-about-primary);
    background: #e9f2ff;
    font-size: 12px;
    font-weight: 700;
}

.teacher-card ul {
    margin: 8px 0 0;
    padding-left: 16px;
}

.teacher-card li {
    margin: 0 0 4px;
    font-size: 12px;
}

.partner-grid {
    display: grid;
    grid-template-columns: repeat(8, minmax(0, 1fr));
    gap: 14px;
}

.partner-card {
    display: grid;
    place-items: center;
    gap: 8px;
    min-height: 88px;
    padding: 12px 8px;
    border: 1px solid var(--dk-about-border);
    border-radius: 8px;
    background: #fff;
    color: var(--dk-about-muted);
    font-size: 13px;
    font-weight: 700;
}

.partner-card i {
    color: #8b98aa;
    font-size: 24px;
}

.about-cta-box {
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr) auto;
    gap: 22px;
    align-items: center;
    padding: 28px;
    border: 1px solid #cfe0f5;
    border-radius: 8px;
    background: linear-gradient(90deg, #f7fbff, #eaf4ff);
    box-shadow: 0 12px 30px rgba(6, 36, 93, .08);
}

.cta-icon {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    color: #fff;
    background: var(--dk-about-primary);
    font-size: 31px;
}

.about-cta-box h2 {
    font-size: 25px;
}

.about-cta-box p {
    margin: 8px 0 0;
    font-size: 15px;
}

.cta-actions {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.btn-primary,
.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(90deg, #ff9000, var(--dk-about-accent));
}

.btn-outline {
    border: 1px solid var(--dk-about-primary);
    color: var(--dk-about-primary);
    background: #fff;
}

.dktic-about-page.is-reveal-ready .js-about-reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity .45s ease, transform .45s ease;
}

.dktic-about-page.is-reveal-ready .js-about-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .dktic-about-page.is-reveal-ready .js-about-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

@media (max-width: 1180px) {
    .advantages-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .timeline-list {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .timeline-list::before {
        display: none;
    }

    .teacher-grid,
    .partner-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .about-brand-grid {
        grid-template-columns: 1fr;
    }

    .values-grid,
    .brand-stats {
        grid-template-columns: 1fr;
    }

    .about-cta-box {
        grid-template-columns: 1fr;
        text-align: left;
    }

    .cta-actions {
        justify-content: flex-start;
    }
}

@media (max-width: 640px) {
    .dktic-about-container {
        width: min(100% - 24px, 1200px);
    }

    .dktic-about-hero {
        min-height: 230px;
    }

    .about-hero-content h1 {
        font-size: 34px;
    }

    .about-hero-content p {
        font-size: 17px;
    }

    .about-brand-section,
    .about-values-section,
    .about-advantages-section,
    .about-timeline-section,
    .about-teachers-section,
    .about-partners-section,
    .about-cta-section {
        padding: 36px 0;
    }

    .about-brand-content h2,
    .about-section-head h2,
    .about-section-row-head h2,
    .about-cta-box h2 {
        font-size: 23px;
    }

    .brand-point-list,
    .advantages-grid,
    .timeline-list,
    .teacher-grid,
    .partner-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .brand-point-item,
    .teacher-card {
        grid-template-columns: 1fr;
    }

    .brand-point-item {
        min-height: 150px;
        padding: 12px;
    }

    .advantage-card {
        min-height: 172px;
        padding: 16px 10px;
    }

    .value-card {
        grid-template-columns: 48px minmax(0, 1fr);
        padding: 16px;
    }

    .value-card i {
        width: 48px;
        height: 48px;
    }

    .teacher-card {
        min-height: 0;
    }

    .teacher-card img {
        width: 100%;
        height: auto;
        aspect-ratio: 4 / 5;
    }

    .partner-card {
        min-height: 74px;
    }

    .timeline-item {
        min-height: 122px;
        padding-top: 34px;
    }

    .about-section-row-head {
        align-items: flex-start;
        flex-direction: column;
    }

    .about-cta-box {
        padding: 20px;
    }

    .cta-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
    }

    .btn-primary,
    .btn-outline {
        min-width: 0;
        padding: 0 14px;
    }
}