.about-page {
    font-family: 'Gilroy', Arial, sans-serif;
    color: #111;
}
.about-page *,
.about-page *::before,
.about-page *::after {
    box-sizing: border-box;
}
.about-page .about-wrap {
    width: calc(100% - 64px);
    max-width: 1500px;
    margin: 0 auto;
}
.about-page h1,
.about-page h2 {
    margin: 0;
    font-family: inherit;
    font-weight: 700;
    color: #111;
    letter-spacing: normal;
    text-transform: none;
}
.about-section1 {
    padding: 90px 0 88px;
    background: #fff;
}
.about-section1 .about-profile {
    display: grid;
    grid-template-columns: 645fr 785fr;
    align-items: center;
    gap: 70px;
}
.about-section1 .about-photo img {
    display: block;
    width: 100%;
    height: auto;
}
.about-section1 .about-label {
    margin-bottom: 10px;
    color: #439bf1;
    font-size: 20px;
    font-weight: 700;
    line-height: 1.3;
    text-transform: uppercase;
}
.about-section1 h1 {
    font-size: 46px;
    line-height: 1.3;
    margin-bottom: 20px;
}
.about-section1 .about-description {
    height: 276px;
    max-height: 276px;
    padding-right: 25px;
    overflow-y: auto;
    overscroll-behavior-y: contain;
    scrollbar-gutter: stable;
    color: rgba(9, 16, 26, .85);
    font-size: 18px;
    line-height: 1.65;
    scrollbar-width: thin;
    scrollbar-color: #0867d5 #e5e5e5;
}
.about-section1 .about-description::-webkit-scrollbar {
    width: 2px;
    background: #e5e5e5;
}
.about-section1 .about-description::-webkit-scrollbar-thumb {
    background: #0867d5;
}
.about-section1 .about-stats {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    margin: 80px 0 0;
    padding: 0;
    list-style: none;
}
.about-section1 .about-stats li {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
    min-width: 0;
    border-right: 1px solid #dedede;
}
.about-section1 .about-stats li:first-child {
    justify-content: flex-start;
}
.about-section1 .about-stats li:last-child {
    border-right: 0;
    justify-content: flex-end;
}
.about-section1 .about-stats img {
    flex-shrink: 0;
    width: auto;
    height: 49px;
    object-fit: contain;
}
.about-section1 .about-stats strong {
    display: block;
    color: #066bdc;
    font-size: 46px;
    line-height: 1.15;
    font-weight: 700;
    white-space: nowrap;
}
.about-section1 .about-stats span {
    display: block;
    margin-top: 3px;
    color: rgba(63, 72, 83, .8);
    font-size: 16px;
    line-height: 1.4;
}
.about-section2 {
    padding: 70px 0 65px;
    background: #f4f8fb;
}
.about-section2 .about-heading {
    text-align: center;
    margin-bottom: 40px;
}
.about-section2 h2 {
    font-size: 46px;
    line-height: 1.3;
    margin-bottom: 12px;
}
.about-section2 .about-heading > div {
    color: rgba(0, 0, 0, .8);
    font-size: 18px;
    line-height: 1.6;
}
.about-section2 .about-environment {
    overflow: hidden;
}
.about-section2 .swiper-slide img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 362 / 394;
    object-fit: cover;
    cursor: pointer;
}
.about-section2 .about-pagination {
    position: static;
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 42px;
    min-height: 6px;
}
.about-section2 .about-pagination .swiper-pagination-bullet {
    width: 32px;
    height: 5px;
    border-radius: 2px;
    margin: 0;
    background: #0867d5;
    opacity: .45;
}
.about-section2 .about-pagination .swiper-pagination-bullet-active {
    opacity: 1;
}
@media (max-width: 1440px) {
    .about-section1 .about-profile { gap: 45px; }
    .about-section1 h1 { font-size: 36px; }
    .about-section1 .about-description { max-height: 235px; font-size: 14px; }
    .about-section1 .about-stats strong { font-size: 38px; }
    .about-section1 .about-stats li { gap: 16px; }
    .about-section2 h2 { font-size: 38px; }
}
@media (max-width: 1023px) {
    .about-section1 { padding: 60px 0; }
    .about-section1 .about-profile { grid-template-columns: 1fr; gap: 30px; }
    .about-section1 .about-photo { max-width: 645px; }
    .about-section1 .about-description { max-height: 240px; font-size: 16px; }
    .about-section1 .about-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px 0; margin-top: 45px; }
    .about-section1 .about-stats li { justify-content: flex-start; padding-left: 25px; }
    .about-section1 .about-stats li:nth-child(odd) { padding-left: 0; }
    .about-section1 .about-stats li:nth-child(even) { border-right: 0; }
    .about-section1 .about-stats li:last-child { justify-content: flex-start; }
    .about-section2 { padding: 60px 0; }
}
@media (max-width: 639px) {
    .about-page { padding-top: 80px; }
    .about-page .about-wrap { width: calc(100% - 36px); }
    .about-section1 { padding: 40px 0; }
    .about-section1 .about-label { font-size: 15px; }
    .about-section1 h1 { font-size: 28px; }
    .about-section1 h1 br { display: none; }
    .about-section1 .about-description { font-size: 14px; line-height: 1.75; }
    .about-section1 .about-stats li { gap: 10px; padding-left: 14px; align-items: flex-start; }
    .about-section1 .about-stats img { max-width: 32px; height: 32px; }
    .about-section1 .about-stats strong { font-size: 26px; }
    .about-section1 .about-stats span { font-size: 10px; }
    .about-section2 { padding: 40px 0; }
    .about-section2 h2 { font-size: 28px; }
    .about-section2 .about-heading { margin-bottom: 25px; }
    .about-section2 .about-heading > div { font-size: 13px; }
    .about-section2 .about-pagination { margin-top: 25px; }
}

/* Qualification certificates */
.about-section3 {
    padding: 75px 0 85px;
    background: #fff;
}
.about-section3 .about-heading,
.about-section4 .about-heading {
    margin-bottom: 40px;
    text-align: center;
}
.about-section3 h2,
.about-section4 h2 {
    margin-bottom: 12px;
    font-size: 46px;
    line-height: 1.3;
}
.about-section3 .about-heading > div,
.about-section4 .about-heading > div {
    color: rgba(0, 0, 0, .8);
    font-size: 18px;
    line-height: 1.6;
}
.about-section3 .about-certificates {
    position: relative;
    padding: 10px 140px 0;
}
.about-section3 .about-certificate-swiper {
    overflow: hidden;
    padding: 10px 0;
}
.about-section3 .swiper-slide {
    text-align: center;
}
.about-section3 .swiper-slide a {
    display: block;
    transform: skewY(-5deg);
    transform-origin: right center;
    transition: transform .35s;
}
.about-section3 .swiper-slide-active a {
    transform: none;
}
.about-section3 .swiper-slide img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 282 / 405;
    object-fit: contain;
    filter: drop-shadow(3px 3px 4px rgba(0, 0, 0, .16));
}
.about-section3 .about-caption {
    margin-top: 20px;
    color: rgba(0, 0, 0, .7);
    font-size: 14px;
    line-height: 1.4;
}
.about-section3 .about-prev,
.about-section3 .about-next {
    position: absolute;
    top: 45%;
    width: 56px;
    height: 56px;
    padding: 0;
    border: 1px solid #0867d5;
    border-radius: 50%;
    background: #0867d5;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    transition: background .2s, color .2s;
}
.about-section3 .about-prev { left: 0; }
.about-section3 .about-next { right: 0; }
.about-section3 .swiper-button-disabled {
    background: #fff;
    border-color: #d5d5d5;
    color: #aaa;
    cursor: default;
}
.about-section3 button:focus-visible,
.about-section3 a:focus-visible {
    outline: 2px solid #0867d5;
    outline-offset: 5px;
}
/* Core competencies */
.about-section4 {
    padding: 60px 0 95px;
    background: #f4f8fb;
}
.about-section4 .about-competencies {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px;
}
.about-section4 .about-feature {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    color: #fff;
    background: #071d30;
}
.about-section4 .about-feature > img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 730 / 397;
    object-fit: cover;
    cursor: pointer;
}
.about-section4 .about-feature::after {
    content: '';
    position: absolute;
    inset: 35% 0 0;
    background: linear-gradient(transparent, rgba(0, 15, 29, .88));
    pointer-events: none;
}
.about-section4 .about-feature-copy {
    position: absolute;
    z-index: 1;
    right: 40px;
    bottom: 40px;
    left: 40px;
}
.about-section4 h3 {
    margin: 0 0 12px;
    color: #fff;
    font-family: inherit;
    font-size: 22px;
    font-weight: 700;
    line-height: 1.3;
}
.about-section4 .about-feature-copy > div {
    font-size: 16px;
    line-height: 1.5;
}

@media (max-width: 1440px) {
    .about-section3 h2,
    .about-section4 h2 { font-size: 38px; }
    .about-section3 .about-certificates { padding-right: 85px; padding-left: 85px; }
    .about-section4 .about-feature-copy { right: 25px; bottom: 25px; left: 25px; }
    .about-section4 h3 { font-size: 20px; }
    .about-section4 .about-feature-copy > div { font-size: 14px; }
}
@media (max-width: 1023px) {
    .about-section3 { padding: 60px 0; }
    .about-section3 .about-certificates { padding-right: 65px; padding-left: 65px; }
    .about-section3 .about-prev,
    .about-section3 .about-next { width: 44px; height: 44px; }
    .about-section3 .about-heading br,
    .about-section4 .about-heading br { display: none; }
    .about-section4 { padding: 60px 0; }
    .about-section4 .about-competencies { gap: 22px; }
    .about-section4 .about-feature-copy { right: 20px; bottom: 20px; left: 20px; }
    .about-section4 .about-feature > img { min-height: 280px; }
}
@media (max-width: 639px) {
    .about-section3 { padding: 40px 0; }
    .about-section3 h2,
    .about-section4 h2 { font-size: 28px; }
    .about-section3 .about-heading,
    .about-section4 .about-heading { margin-bottom: 25px; }
    .about-section3 .about-heading > div,
    .about-section4 .about-heading > div { font-size: 13px; }
    .about-section3 .about-certificates { padding: 0 30px; }
    .about-section3 .about-prev,
    .about-section3 .about-next { width: 30px; height: 30px; font-size: 17px; }
    .about-section3 .about-caption { margin-top: 12px; font-size: 12px; }
    .about-section3 .swiper-slide a { transform: none; }
    .about-section4 { padding: 40px 0; }
    .about-section4 .about-competencies { grid-template-columns: 1fr; }
    .about-section4 .about-feature > img { min-height: 260px; }
    .about-section4 h3 { font-size: 20px; }
}
@media (prefers-reduced-motion: reduce) {
    .about-page a,
    .about-page button { transition: none; }
}

/* Overlapping certificates: the first sheet stays flat above those behind it. */
@media (min-width: 1024px) {
    .about-section3 .about-certificate-swiper { padding: 24px 8px 12px; }
    .about-section3 .swiper-slide { position: relative; }
    .about-section3 .swiper-slide:nth-child(1) { z-index: 6; }
    .about-section3 .swiper-slide:nth-child(2) { z-index: 5; }
    .about-section3 .swiper-slide:nth-child(3) { z-index: 4; }
    .about-section3 .swiper-slide:nth-child(4) { z-index: 3; }
    .about-section3 .swiper-slide:nth-child(5) { z-index: 2; }
    .about-section3 .swiper-slide:nth-child(6) { z-index: 1; }
    .about-section3 .swiper-slide-active { z-index: 10; }
}
@media (max-width: 1440px) {
    .about-section1 .about-description { height: 235px; }
}
@media (max-width: 1023px) {
    .about-section1 .about-description { height: 240px; }
    .about-section3 .swiper-slide a { transform: none; }
}

/* Profile scrollbar: a straight two-pixel track, without native buttons. */
.about-section1 .about-scrollbox {
    position: relative;
}
.about-section1 .about-description {
    padding-right: 42px;
    scrollbar-width: none;
    scrollbar-gutter: auto;
    -ms-overflow-style: none;
}
.about-section1 .about-description::-webkit-scrollbar {
    display: none;
    width: 0;
    height: 0;
}
.about-section1 .about-scroll-track {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 3px;
    background: #dedede;
    touch-action: none;
    cursor: pointer;
}
.about-section1 .about-scroll-track::before {
    content: '';
    position: absolute;
    inset: 0 -8px;
}
.about-section1 .about-scroll-thumb {
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 48%;
    background: #225bd5;
    cursor: grab;
}
/* Pale circles sit behind the left edge of each metric. */
.about-section1 .about-stats li > div {
    position: relative;
    isolation: isolate;
}
.about-section1 .about-stats li > div::before {
    content: '';
    position: absolute;
    z-index: -1;
    top: 7px;
    left: -18px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #eaf1fc;
}
.about-section1 .about-stats strong { color: #225bd5; }
/* Perspective compresses the left edge of the receding sheets. */
@media (min-width: 1024px) {
    .about-section3 .about-certificate-swiper { padding-top: 12px; }
    .about-section3 .swiper-slide a {
        transform: perspective(900px) rotateY(-26deg);
        transform-origin: right center;
    }
    .about-section3 .swiper-slide-active a { transform: none; }
    .about-section3 .about-caption { position: relative; z-index: 1; }
}
@media (max-width: 639px) {
    .about-section1 .about-description { padding-right: 20px; }
    .about-section1 .about-stats li > div::before {
        left: -9px;
        top: 3px;
        width: 34px;
        height: 34px;
    }
}

/* Use the supplied arrow artwork; rotate the same cutout for next. */
.about-section3 .about-arrow {
    display: block;
    width: 17px;
    height: 9px;
    margin: auto;
    background: url('//wm.cdn.cn86.cn/hoajeareducer/2026/10/ffb660b3a912erck.png') center / contain no-repeat;
}
.about-section3 .about-prev .about-arrow { transform: rotate(180deg); }
.about-section3 .about-next .about-arrow { transform: none; }
.about-section3 .swiper-button-disabled .about-arrow {
    background-image: url('//wm.cdn.cn86.cn/hoajeareducer/2026/10/eb33c50212fumoey.png');
}
.about-section3 .about-prev.swiper-button-disabled .about-arrow { transform: none; }
.about-section3 .about-next.swiper-button-disabled .about-arrow { transform: rotate(180deg); }

/* Core competency image zoom */
.about-section4 .about-feature > img {
    transition: transform .6s ease;
}
@media (hover: hover) and (pointer: fine) {
    .about-section4 .about-feature:hover > img {
        transform: scale(1.06);
    }
}
@media (prefers-reduced-motion: reduce) {
    .about-section4 .about-feature > img {
        transition: none;
    }
}

/* Six complete sheets; avoid exposing the previous/next clipped sheet. */
@media (min-width: 1024px) {
    .about-section3 .about-certificate-swiper {
        padding-right: 0;
        padding-left: 0;
    }
    .about-section3 .about-caption {
        margin-left: 100px;
        white-space: nowrap;
        font-size: clamp(11px, .73vw, 14px);
    }
    .about-section3 .swiper-slide-active .about-caption {
        margin-left: 0;
    }
    .about-section3 .about-prev,
    .about-section3 .about-next {
        top: calc((100% - 40px) / 2);
        transform: translateY(-50%);
    }
}

/* Production environment image hover */
.about-section2 .about-environment .swiper-slide {
    overflow: hidden;
}
.about-section2 .about-environment .swiper-slide img {
    transition: transform .6s ease;
}
@media (hover: hover) and (pointer: fine) {
    .about-section2 .about-environment .swiper-slide:hover img {
        transform: scale(1.06);
    }
}
@media (prefers-reduced-motion: reduce) {
    .about-section2 .about-environment .swiper-slide img {
        transition: none;
    }
}