.about-hero {
    position: relative;
    padding: 80px 0 70px;
    text-align: center;
    color: var(--white);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    min-height: 320px;
    display: flex;
    align-items: center;
}
.about-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10,22,40,0.8) 0%, rgba(26,82,118,0.6) 50%, rgba(0,0,0,0.4) 100%);
    z-index: 1;
}
.about-hero .container {
    position: relative;
    z-index: 2;
}
.about-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.about-hero p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    max-width: 640px;
    margin: 0 auto;
}
.about-breadcrumb {
    padding: 12px 0;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
}
.about-breadcrumb .container {
    font-size: 0.85rem;
    color: var(--gray-500);
}
.about-breadcrumb .container a {
    color: var(--primary);
}
.about-breadcrumb .container a:hover {
    text-decoration: underline;
}
.about-breadcrumb .container .sep {
    color: var(--gray-300);
    margin: 0 8px;
}
.about-intro {
    background: var(--white);
}
.about-intro .intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}
.about-intro .intro-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 16px;
}
.about-intro .intro-text p {
    font-size: 1.02rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 16px;
}
.about-intro .intro-text .highlight {
    color: var(--secondary);
    font-weight: 600;
}
.about-intro .intro-image {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    background: var(--gray-100);
}
.about-intro .intro-image img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: contain;
    display: block;
}
.about-stats {
    background: var(--gray-100);
    padding: 60px 0;
}
.about-stats .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.about-stats .stat-card {
    background: var(--white);
    padding: 28px 20px;
    border-radius: 4px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.about-stats .stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.about-stats .stat-card .number {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.1;
}
.about-stats .stat-card .label {
    font-size: 0.9rem;
    color: var(--gray-500);
    margin-top: 4px;
}
.about-cert {
    background: var(--white);
    padding: 40px 0 60px;
}
.about-cert .cert-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 28px;
    flex-wrap: wrap;
    gap: 16px;
}
.about-cert .cert-header-actions {
    flex-shrink: 0;
}
.about-cert .cert-header-actions .btn {
    padding: 10px 28px;
    border-radius: 50px;
}
.cert-carousel-wrapper {
    position: relative;
    overflow: hidden;
    padding: 0 12px;
}
.cert-carousel-container {
    overflow: hidden;
    border-radius: 8px;
}
.cert-carousel-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    will-change: transform;
}
.cert-carousel-slide {
    flex: 0 0 100%;
    min-width: 100%;
    padding: 4px;
}
.cert-carousel-slide .cert-slide-inner {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 30px;
    background: var(--gray-100);
    border-radius: 8px;
    padding: 24px 30px 24px 24px;
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    min-height: 180px;
    align-items: center;
    text-decoration: none;
    color: inherit;
}
.cert-carousel-slide .cert-slide-inner:hover {
    border-color: var(--primary-light);
    background: var(--primary-light);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}
.cert-carousel-slide .cert-slide-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
    border-radius: 4px;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.cert-carousel-slide .cert-slide-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
    display: block;
}
.cert-carousel-slide .cert-slide-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.cert-carousel-slide .cert-slide-name {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 6px;
    transition: color 0.3s ease;
}
.cert-carousel-slide .cert-slide-inner:hover .cert-slide-name {
    color: var(--primary);
}
.cert-carousel-slide .cert-slide-desc {
    font-size: 0.92rem;
    color: var(--gray-500);
    line-height: 1.7;
}
.cert-carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--white);
    border: 1px solid var(--gray-200);
    color: var(--gray-700);
    font-size: 1.4rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}
.cert-carousel-btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}
.cert-carousel-btn.cert-prev {
    left: -6px;
}
.cert-carousel-btn.cert-next {
    right: -6px;
}
.cert-carousel-btn.disabled {
    opacity: 0.25;
    cursor: not-allowed;
    pointer-events: none;
}
.cert-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 24px;
}
.cert-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--gray-300);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}
.cert-dots .dot:hover {
    background: var(--gray-400);
}
.cert-dots .dot.active {
    background: var(--primary);
    transform: scale(1.2);
}
.about-gallery {
    background: var(--gray-100);
    padding: 60px 0;
}
.about-gallery .gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.about-gallery .gallery-item {
    background: var(--white);
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}
.about-gallery .gallery-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.about-gallery .gallery-item .image-wrap {
    height: 220px;
    overflow: hidden;
    background: var(--gray-100);
}
.about-gallery .gallery-item .image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.about-gallery .gallery-item:hover .image-wrap img {
    transform: scale(1.05);
}
.about-gallery .gallery-item .info {
    padding: 14px 16px 16px;
}
.about-gallery .gallery-item .info .title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--gray-800);
}
.about-gallery .gallery-item .info .desc {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-top: 2px;
}
.about-cta {
    background: var(--gradient-accent);
    padding: 50px 0;
    text-align: center;
    color: var(--white);
}
.about-cta h2 {
    font-size: 2rem;
    color: var(--white);
    margin-bottom: 12px;
}
.about-cta p {
    font-size: 1.05rem;
    opacity: 0.85;
    max-width: 520px;
    margin: 0 auto 24px;
}
@media (max-width: 992px) {
    .about-hero { padding: 60px 0 50px; min-height: 260px; }
    .about-hero h1 { font-size: 2.3rem; }
    .about-intro .intro-grid { grid-template-columns: 1fr; gap: 30px; }
    .about-intro .intro-image img { max-height: 400px; }
    .about-stats .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .about-gallery .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-carousel-slide .cert-slide-inner {
        grid-template-columns: 160px 1fr;
        padding: 20px 24px 20px 20px;
        min-height: 150px;
    }
    .cert-carousel-slide .cert-slide-image {
        height: 130px;
    }
    .cert-carousel-slide .cert-slide-name {
        font-size: 1rem;
    }
}
@media (max-width: 768px) {
    .about-hero { padding: 50px 0 40px; min-height: 220px; }
    .about-hero h1 { font-size: 1.8rem; }
    .about-hero p { font-size: 1rem; }
    .about-intro .intro-text h2 { font-size: 1.6rem; }
    .about-intro .intro-image img { max-height: 300px; }
    .about-stats .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .about-stats .stat-card { padding: 20px 16px; }
    .about-stats .stat-card .number { font-size: 1.8rem; }
    .about-cert .cert-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .about-cert .cert-header-actions .btn {
        padding: 8px 20px;
        font-size: 0.8rem;
    }
    .cert-carousel-slide .cert-slide-inner {
        grid-template-columns: 120px 1fr;
        padding: 16px 18px 16px 16px;
        min-height: 130px;
        gap: 20px;
    }
    .cert-carousel-slide .cert-slide-image {
        height: 110px;
    }
    .cert-carousel-slide .cert-slide-image img {
        padding: 8px;
    }
    .cert-carousel-slide .cert-slide-name {
        font-size: 0.9rem;
    }
    .cert-carousel-slide .cert-slide-desc {
        font-size: 0.8rem;
    }
    .cert-carousel-btn {
        width: 34px;
        height: 34px;
        font-size: 1.1rem;
    }
    .cert-carousel-btn.cert-prev { left: -4px; }
    .cert-carousel-btn.cert-next { right: -4px; }
    .about-gallery .gallery-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .about-gallery .gallery-item .image-wrap { height: 170px; }
    .about-cta { padding: 36px 0; }
    .about-cta h2 { font-size: 1.5rem; }
}
@media (max-width: 480px) {
    .about-hero { padding: 40px 0 30px; min-height: 180px; }
    .about-hero h1 { font-size: 1.5rem; }
    .about-stats .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .about-stats .stat-card .number { font-size: 1.5rem; }
    .cert-carousel-slide .cert-slide-inner {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 16px;
        min-height: auto;
        gap: 12px;
    }
    .cert-carousel-slide .cert-slide-image {
        height: 100px;
        max-width: 140px;
        margin: 0 auto;
    }
    .cert-carousel-slide .cert-slide-image img {
        padding: 6px;
    }
    .cert-carousel-slide .cert-slide-name {
        font-size: 0.85rem;
    }
    .cert-carousel-slide .cert-slide-desc {
        font-size: 0.75rem;
    }
    .cert-carousel-btn {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }
    .about-gallery .gallery-grid { grid-template-columns: 1fr; gap: 14px; }
    .about-gallery .gallery-item .image-wrap { height: 200px; }
    .about-intro .intro-image img { max-height: 250px; }
    .cert-dots .dot {
        width: 8px;
        height: 8px;
        gap: 8px;
    }
}