.about-page {
    --about-orange: #ff7a00;
    --about-design-orange: #ff8d28;
    --about-orange-deep: #e95f00;
    --about-text: #171717;
    --about-muted: #666;
    --about-line: #eed6d6;
    --about-soft: #faf7f3;
    --about-dark: #050505;
    color: var(--about-text);
    background: #fff;
    font-family: "OPPOSans", -apple-system, BlinkMacSystemFont, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    overflow-x: hidden;
    overflow-x: clip;
}

@media (min-width: 1081px) {
    .about-cert.is-scroll-mode {
        --cert-pin-height: 819px;
        --cert-layout-scale: 1;
        --cert-pin-top: max(0px, calc((100vh - var(--cert-pin-height)) / 2));
        --cert-visual-height: calc(var(--cert-pin-height) * var(--cert-layout-scale));
        height: calc(100vh + var(--cert-scroll-distance, 1260px) - var(--cert-pin-top));
        min-height: calc(var(--cert-visual-height) + var(--cert-scroll-distance, 1260px));
        padding: 0;
        overflow: visible;
        position: relative;
    }

    .about-cert.is-scroll-mode > .container {
        position: absolute;
        top: 0;
        left: 50%;
        right: auto;
        z-index: 1;
        width: calc(100% / var(--cert-layout-scale));
        height: var(--cert-pin-height);
        min-height: 0;
        padding-top: 0;
        overflow: visible;
        transform: translateX(-50%) scale(var(--cert-layout-scale));
        transform-origin: top center;
    }

    .about-cert.is-scroll-mode.is-cert-pinned > .container {
        position: fixed;
        top: var(--cert-pin-top);
        left: 50%;
        right: auto;
    }

    .about-cert.is-scroll-mode.is-cert-after > .container {
        position: absolute;
        top: var(--cert-scroll-distance, 1260px);
    }

    .about-cert.is-scroll-mode .about-section__header {
        margin-bottom: 65px;
    }

    .about-cert.is-scroll-mode .cert-tabs {
        display: flex;
        width: min(1290px, 100%);
        height: 80px;
        margin: 0 auto 57px;
        padding-top: 8px;
        flex-wrap: nowrap;
        gap: 16px;
        justify-content: center;
    }

    .about-cert.is-scroll-mode .cert-tab,
    .about-cert.is-scroll-mode .cert-tab:nth-child(1),
    .about-cert.is-scroll-mode .cert-tab:nth-child(2),
    .about-cert.is-scroll-mode .cert-tab:nth-child(3),
    .about-cert.is-scroll-mode .cert-tab:nth-child(4) {
        flex: 0 0 auto;
        min-height: 72px;
        padding: 9px 25px;
        font-size: 24px;
        line-height: 24px;
        white-space: nowrap;
    }

    .about-cert.is-scroll-mode .cert-tab:nth-child(1) {
        width: 437px;
    }

    .about-cert.is-scroll-mode .cert-tab:nth-child(2) {
        width: 305px;
    }

    .about-cert.is-scroll-mode .cert-tab:nth-child(3) {
        width: 229px;
    }

    .about-cert.is-scroll-mode .cert-tab:nth-child(4) {
        width: 267px;
    }

    .about-cert.is-scroll-mode .cert-stage {
        position: relative;
        width: min(1289px, 100%);
        height: 489px;
        margin: 0 auto;
        overflow: visible;
        perspective: 1200px;
    }

    .about-cert.is-scroll-mode .cert-panel {
        position: absolute;
        inset: 0;
        display: block;
        width: 100%;
        height: 489px;
        min-height: 0;
        overflow: hidden;
        border-radius: 50px;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transform: translate3d(0, 0, 0) scale(0.8);
        transform-origin: center top;
        transition: none;
        will-change: opacity, transform;
    }

    .about-cert.is-scroll-mode .cert-panel.is-before {
        z-index: 1;
        opacity: 0;
        visibility: hidden;
        transform: translate3d(0, 0, 0) scale(0.8);
    }

    .about-cert.is-scroll-mode .cert-panel.is-after {
        z-index: 1;
        opacity: 1;
        visibility: visible;
        transform: translate3d(0, 100vh, 0) scale(1);
    }

    .about-cert.is-scroll-mode .cert-panel.is-active {
        z-index: 3;
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translate3d(0, 0, 0) scale(1);
    }

    .about-cert.is-scroll-mode .cert-panel__copy {
        width: 545px;
        padding: 115px 0 0 99px;
    }

    .about-cert.is-scroll-mode .cert-panel__media {
        position: absolute;
        top: 0;
        right: 0;
        width: 588px;
        height: 489px;
        min-height: 0;
        margin-top: 0;
        border-radius: 0 50px 50px 0;
    }

    .about-cert.is-scroll-mode .cert-panel__media img {
        width: 100%;
        height: 100%;
        min-height: 0;
        object-fit: cover;
    }

    .about-cert.is-scroll-mode .cert-callout {
        position: absolute;
        height: 140.5px;
        min-height: 0;
        padding: 0 32px 0 36px;
        border-radius: 0 30px 30px 30px;
        font-size: 20px;
        line-height: 36px;
        transform: none;
    }

    .about-cert.is-scroll-mode .cert-panel[data-cert-panel="license"] .cert-callout {
        top: 303px;
        left: 641px;
        width: 257px;
    }

    .about-cert.is-scroll-mode .cert-panel[data-cert-panel="custody"] .cert-callout {
        top: 71px;
        left: 592px;
        width: 277px;
    }

    .about-cert.is-scroll-mode .cert-panel[data-cert-panel="audit"] .cert-callout {
        top: 28px;
        left: 977px;
        width: 277px;
    }

    .about-cert.is-scroll-mode .cert-panel[data-cert-panel="trace"] .cert-callout {
        top: 307px;
        left: 608px;
        width: 277px;
    }

    .about-cert.is-scroll-mode .cert-dots {
        position: absolute;
        top: 50%;
        right: -88px;
        display: flex;
        width: 44px;
        padding: 18px 0;
        flex-direction: column;
        align-items: center;
        gap: 18px;
        transform: translateY(-50%);
    }
}

@media (min-width: 1081px) and (prefers-reduced-motion: reduce) {
    .about-cert.is-scroll-mode .cert-panel {
        transition: none;
    }
}

.about-page *,
.about-page *::before,
.about-page *::after {
    box-sizing: border-box;
}

.about-page h1,
.about-page h2,
.about-page h3,
.about-page p,
.about-page figure,
.about-page blockquote {
    margin: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.about-page img {
    display: block;
    max-width: 100%;
}

.about-page .container {
    width: min(1280px, calc(100% - 40px));
    max-width: none;
    padding: 0;
}

/* landing.css hides .footer until its landing-only reveal script runs. */
.footer {
    visibility: visible !important;
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
}

.about-section__header {
    margin: 0 auto 56px;
    text-align: center;
}

.about-section__header h2 {
    color: #111;
    font-size: 48px;
    font-weight: 700;
    line-height: 40px;
    letter-spacing: 0;
}

.about-section__header p {
    margin-top: 32px;
    color: #777;
    font-size: 24px;
    line-height: 24px;
}

.about-hero {
    position: relative;
    width: calc(100% - 62px);
    max-width: 1858px;
    min-height: 800px;
    margin: 0 auto;
    overflow: hidden;
    border-bottom-right-radius: 50px;
    border-bottom-left-radius: 50px;
    background: #070507 url("../images/about/about-hero-bg.png") center / cover no-repeat;
    color: #fff;
}

.about-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 28%, rgba(255, 153, 42, 0.12), transparent 28%),
        linear-gradient(180deg, rgba(0, 0, 0, 0.06) 0%, rgba(0, 0, 0, 0.16) 100%);
    pointer-events: none;
}

.about-hero__inner {
    position: relative;
    z-index: 1;
    display: flex;
    min-height: 800px;
    width: min(1216px, calc(100% - 48px));
    margin: 0 auto;
    padding: 288px 0 90px;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.about-hero h1 {
    display: flex;
    width: 100%;
    min-height: 78px;
    align-items: center;
    justify-content: center;
    background: linear-gradient(90deg, #fff 30.295%, #f3cb04 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    font-family: "OPPOSans", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 64px;
    font-weight: 900;
    line-height: 1.12;
    padding-bottom: 4px;
}

.about-page .about-hero__lead {
    width: min(873px, 100%);
    margin-top: 57px;
    color: #fff;
    font-weight: 500;
    font-size: 20px;
    line-height: 40px;
}

.about-hero__stats {
    display: grid;
    width: 100%;
    margin-top: auto;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
}

.about-stat {
    min-width: 0;
    min-height: 110px;
    padding: 0 18px;
    border: 0;
    text-align: center;
}

.about-stat strong {
    display: block;
    background: linear-gradient(180deg, #fbe3b0 0%, #f6c930 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    -webkit-text-fill-color: transparent;
    font-size: 48px;
    font-weight: 900;
    line-height: 52px;
}

.about-stat span {
    display: block;
    margin-top: 4px;
    color: #fff;
    font-size: 24px;
    font-weight: 500;
    line-height: 36px;
    letter-spacing: 1px;
}

.about-company {
    padding: 94px 0 176px;
    background: #fff;
}

.about-company .container {
    width: 100%;
}

.about-company .about-section__header {
    margin-bottom: 53px;
}

.company-card {
    position: relative;
    display: flex;
    gap: 78px;
    width: min(1276px, calc(100% - 64px));
    height: 455px;
    min-height: 0;
    margin: 0 auto;
    padding: 89px 0 0 0;
    border: 0;
    border-radius: 4px;
    background: #fff;
    box-shadow: none;
}

.company-card__copy {
    width: 595px;
    height: 398px;
}

.company-card__copy h3 {
    margin-bottom: 15px;
    color: #1f2937;
    font-size: 24px;
    font-weight: 700;
    line-height: 20px;
}

.company-card__copy,
.cert-panel__copy,
.advantage-card,
.security-item__copy,
.timeline-content,
.review-card,
.faq-item {
    min-width: 0;
}

.company-card__copy p {
    color: #6b7280;
    font-size: 16px;
    font-weight: 500;
    line-height: 33px;
}

.company-card__copy p + p {
    margin-top: 16.5px;
}

.company-card__media {
    width: 567px;
    height: 381px;
    overflow: hidden;
    border-radius: 31px;
    box-shadow: none;
}

.company-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-cert {
    padding: 72px 0 139px;
    background: #fff;
}

.about-cert .container {
    width: 100%;
}

.about-cert .about-section__header {
    margin-bottom: 65px;
}

.about-cert .about-section__header h2 {
    display: flex;
    height: 56px;
    align-items: center;
    justify-content: center;
}

.about-cert .about-section__header p {
    margin-top: 32px;
}

.cert-tabs {
    display: flex;
    width: min(1290px, 100%);
    height: 80px;
    margin: 0 auto 57px;
    padding-top: 8px;
    gap: 16px;
    justify-content: center;
}

.cert-tab {
    flex: 0 0 auto;
    min-height: 72px;
    padding: 9px 25px;
    border: 1px solid var(--about-orange);
    border-radius: 66px;
    background: #fff;
    color: #1a1c1c;
    font: inherit;
    font-size: 24px;
    font-weight: 500;
    line-height: 24px;
    white-space: nowrap;
    transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.cert-tab:nth-child(1) {
    width: 437px;
}

.cert-tab:nth-child(2) {
    width: 305px;
}

.cert-tab:nth-child(3) {
    width: 229px;
}

.cert-tab:nth-child(4) {
    width: 267px;
}

.cert-tab:hover,
.cert-tab:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(255, 122, 0, 0.14);
}

.cert-tab.is-active {
    background: var(--about-orange);
    color: #fff;
    box-shadow: none;
}

.cert-stage {
    position: relative;
    width: min(1289px, 100%);
    margin: 0 auto;
}

.cert-panel {
    position: relative;
    display: block;
    height: 489px;
    min-height: 0;
    overflow: hidden;
    border: 1px solid #e2e2e2;
    border-radius: 50px;
    background: linear-gradient(270deg, #ffe9d5 0%, #ff8421 100%);
    box-shadow: none;
}

.cert-panel[hidden] {
    display: none;
}

.cert-panel__copy {
    width: 545px;
    padding: 115px 0 0 99px;
    color: #fff;
}

.cert-panel__copy h3 {
    color: #fff;
    font-size: 32px;
    font-weight: 800;
    line-height: 32px;
    white-space: nowrap;
}

.cert-panel__copy span {
    display: inline-flex;
    height: 32px;
    margin-top: 23px;
    padding: 8px 12px;
    align-items: center;
    border-radius: 39px;
    background: rgba(226, 226, 226, 0.64);
    color: #584235;
    font-size: 16px;
    font-weight: 600;
    line-height: 16px;
}

.cert-panel__copy p {
    width: 454px;
    max-width: none;
    margin-top: 23px;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    line-height: 41px;
}

.cert-panel__media {
    position: absolute;
    top: 0;
    right: 0;
    width: 588px;
    height: 489px;
    min-height: 0;
    overflow: hidden;
    border-top-right-radius: 50px;
    border-bottom-right-radius: 50px;
}

.cert-panel__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.cert-callout {
    position: absolute;
    top: 303px;
    left: 641px;
    width: 257px;
    height: 140.5px;
    min-height: 0;
    padding: 0 32px 0 36px;
    border: 0;
    border-radius: 0 30px 30px 30px;
    background: rgba(255, 93, 0, 0.39);
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    line-height: 36px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    white-space: normal;
    overflow-wrap: anywhere;
    word-break: break-word;
    box-shadow: none;
}

.cert-panel[data-cert-panel="license"] .cert-callout {
    top: 303px;
    left: 641px;
    width: 257px;
}

.cert-panel[data-cert-panel="custody"] .cert-callout {
    top: 71px;
    left: 592px;
    width: 277px;
}

.cert-panel[data-cert-panel="audit"] .cert-callout {
    top: 28px;
    left: 977px;
    width: 277px;
}

.cert-panel[data-cert-panel="trace"] .cert-callout {
    top: 307px;
    left: 608px;
    width: 277px;
}

.cert-dots {
    position: absolute;
    top: 50%;
    right: -88px;
    display: flex;
    width: 44px;
    padding: 18px 0;
    flex-direction: column;
    align-items: center;
    gap: 18px;
    transform: translateY(-50%);
}

.cert-dot {
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: rgba(255, 141, 40, 0.3);
    transition: background 0.2s ease, height 0.2s ease;
}

.cert-dot.is-active {
    height: 8px;
    background: var(--about-design-orange);
}

.about-advantages {
    padding: 0 0 201px;
    background: #fff;
}

.about-advantages .about-section__header {
    height: 114px;
    margin-bottom: 63px;
}

.about-advantages .about-section__header h2 {
    display: flex;
    height: 90px;
    align-items: center;
    justify-content: center;
}

.about-advantages .about-section__header p {
    margin-top: 0;
}

.advantages-grid {
    display: grid;
    width: min(1215px, 100%);
    margin: 0 auto;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 30px;
}

.advantage-card {
    position: relative;
    min-height: 221px;
    overflow: hidden;
    padding: 34px 168px 30px 30px;
    border: 1px solid var(--about-line);
    border-radius: 10px;
    background: var(--about-soft);
}

.advantage-card h3 {
    width: 267px;
    color: #1c1c1c;
    font-size: 32px;
    font-weight: 800;
    line-height: 34px;
    min-height: 34px;
    padding-bottom: 2px;
    background: linear-gradient(0deg, #18181b 0%, #737381 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.advantage-card p {
    max-width: 234px;
    margin-top: 24px;
    color: #71717a;
    font-size: 16px;
    font-weight: 500;
    line-height: 27px;
}

.advantage-card img {
    position: absolute;
    right: 14px;
    bottom: -1px;
    width: 169px;
    height: 139px;
    object-fit: contain;
}

.about-security {
    padding-bottom: 158px;
    background: #fff;
}

.about-security .about-section__header {
    margin-bottom: 67px;
}

.security-list {
    display: flex;
    width: min(1218px, 100%);
    margin: 0 auto;
    flex-direction: column;
    gap: 67px;
}

.security-item {
    display: grid;
    min-height: 350px;
    grid-template-columns: minmax(0, 1fr) 580px;
    gap: 96px;
    align-items: center;
}

.security-item--reverse {
    grid-template-columns: 580px minmax(0, 1fr);
}

.security-item--reverse img {
    order: -1;
}

.security-item__copy h3 {
    color: #1a1c1c;
    font-size: 48px;
    font-weight: 700;
    line-height: 20px;
    letter-spacing: 0.14px;
}

.security-item__copy p {
    margin-top: 66px;
    color: #1a1c1c;
    font-size: 24px;
    font-weight: 500;
    line-height: 20px;
    letter-spacing: 2px;
}

.security-item--reverse .security-item__copy {
    text-align: right;
}

.security-item img {
    width: 580px;
    height: 350px;
    border-radius: 35px;
    object-fit: cover;
}

.about-timeline {
    min-height: 1701px;
    background: #F9F9F9;
}

.timeline-list {
    position: relative;
    width: min(1200px, 100%);
    margin: 0 auto;
}

.timeline-list::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 4px;
    border-radius: 999px;
    background: #E2E2E2;
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    display: grid;
    min-height: 158px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 64px;
}

.timeline-item + .timeline-item {
    margin-top: 67px;
}

.timeline-item::before {
    content: "";
    position: absolute;
    top: 71px;
    left: 50%;
    width: 16px;
    height: 16px;
    border: 4px solid #F9F9F9;
    border-radius: 50%;
    background: #D3610B;
    box-shadow: none;
    transform: translateX(-50%);
}

.timeline-content {
    max-width: 544px;
}

.timeline-item:nth-child(odd) .timeline-content {
    grid-column: 1;
    justify-self: end;
    text-align: right;
}

.timeline-item:nth-child(even) .timeline-content {
    grid-column: 2;
    justify-self: start;
    text-align: left;
}

.timeline-content time {
    display: block;
    color: #D3610B;
    font-size: 40px;
    font-weight: 800;
    line-height: 1;
}

.timeline-content h3 {
    margin-top: 8px;
    color: #1a1c1c;
    font-size: 24px;
    font-weight: 700;
    line-height: 32px;
}

.timeline-content p {
    margin-top: 8px;
    color: #777;
    font-size: 20px;
    line-height: 35px;
    letter-spacing: 0.14px;
}

.about-global {
    position: relative;
    width: calc(100% - 62px);
    max-width: 1858px;
    height: 1015px;
    margin: 0 auto;
    padding: 96px 0 92px;
    overflow: hidden;
    border-radius: 56px;
    background: #000000;
    color: #fff;
}

.about-global .about-section__header h2,
.about-global .about-section__header p {
    color: #fff;
}

.about-global .about-section__header p {
    margin-top: 40px;
    color: #bebebe
}

.global-map {
    position: relative;
    left: -52px;
    width: min(1384px, calc(100vw - 62px));
    margin: -32px auto 0;
}

.global-map img {
    width: 100%;
}

.map-point {
    position: absolute;
    display: inline-flex;
    min-width: 41px;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.9);
}

.map-point::before {
    content: "";
    width: 18px;
    height: 18px;
    border: 3px solid rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    background: var(--about-orange);
    box-shadow: 0 0 0 7px rgba(255, 122, 0, 0.2);
}

.map-point--ny {
    top: 40%;
    left: 29%;
}

.map-point--ldn {
    top: 33%;
    left: 45%;
}

.map-point--sh {
    top: 46%;
    left: 73%;
}

.map-point--hk {
    top: 49%;
    left: 70%;
}

.map-point--sg {
    top: 62%;
    left: 69%;
}

.global-legend {
    position: absolute;
    left: 50%;
    top: 884px;
    bottom: auto;
    display: flex;
    width: 846px;
    max-width: calc(100% - 64px);
    height: 40px;
    margin-top: 0;
    align-items: flex-start;
    justify-content: center;
    gap: 118px;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    line-height: 20px;
    letter-spacing: .14px;
    transform: translateX(-50%);
}

.global-legend span {
    position: relative;
    display: inline-flex;
    flex: 0 0 55.14px;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 55.14px;
}

.global-legend span:nth-child(2) {
    flex-basis: 61px;
    min-width: 61px;
}

.global-legend span::before {
    content: "";
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--about-orange);
}

.about-reviews {
    height: 712px;
    padding: 143px 0 96px;
    background: #fff;
}

.about-reviews .about-section__header {
    margin-bottom: 64px;
}

.review-grid {
    display: grid;
    width: min(1200px, 100%);
    margin: 0 auto;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
}

.review-card {
    min-height: 337px;
    padding: 32px;
    border: 0;
    border-radius: 20px;
    background: linear-gradient(0deg, #fff 0%, #ffdfa8 100%);
    box-shadow: none;
}

.review-card:nth-child(2) {
    background: linear-gradient(180deg, #ffdda3 0%, #fff 100%);
}

.review-stars {
    color: #f7a600;
    font-size: 20px;
    letter-spacing: 0;
    line-height: 1;
}

.review-card blockquote {
    margin-top: 43px;
    color: #1a1c1c;
    font-size: 20px;
    line-height: 32px;
}

.review-card footer {
    display: grid;
    margin-top: 43px;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 16px;
    align-items: center;
    color: #454545;
    font-size: 15px;
    font-weight: 500;
    line-height: 27px;
    letter-spacing: 0.14px;
}

.review-card footer img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
}

.about-faq {
    height: 615px;
    padding: 96px 0 132px;
    background: #fff;
}

.about-faq .about-section__header {
    margin-bottom: 81px;
}

.faq-list {
    width: min(1242px, 100%);
    margin: 0 auto;
}

.faq-item {
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    background: #f9f9f9;
    box-shadow: none;
}

.faq-item + .faq-item {
    margin-top: 16px;
}

.faq-item summary {
    position: relative;
    display: flex;
    min-height: 78px;
    padding: 25px 58px 25px 25px;
    align-items: center;
    color: #1a1c1c;
    font-size: 20px;
    font-weight: 500;
    line-height: 28px;
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 28px;
    width: 12px;
    height: 12px;
    border-right: 2px solid #444;
    border-bottom: 2px solid #444;
    transform: translateY(-65%) rotate(45deg);
    transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
    transform: translateY(-35%) rotate(225deg);
}

.faq-item p {
    padding: 0 58px 26px 25px;
    color: #555;
    font-size: 18px;
    line-height: 1.8;
}

.about-ready-section {
    position: relative;
    min-height: 455px;
    padding: 111px 32px 80px;
    overflow: hidden;
    background: #fff7ef url("../images/trade/trade-bottom-cta-bg.png") center / cover no-repeat;
    text-align: center;
}

.about-ready-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #fff 0%, rgba(255, 255, 255, 0) 45%);
    pointer-events: none;
}

.about-ready-content {
    position: relative;
    z-index: 1;
    width: min(672px, calc(100% - 64px));
    margin: 0 auto;
}

.about-ready-section h2 {
    color: #18181b;
    font-size: 48px;
    font-weight: 800;
    line-height: 36px;
    white-space: nowrap;
}

.about-ready-section p {
    margin-top: 41px;
    color: #71717a;
    font-size: 24px;
    font-weight: 500;
    line-height: 24px;
}

.about-ready-section a {
    display: inline-flex;
    height: 56px;
    min-width: 88px;
    margin-top: 40px;
    padding: 0 40px;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    background: #f59e0b;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    line-height: 20px;
    letter-spacing: 1.4px;
    text-decoration: none;
    transition: transform 0.18s ease, filter 0.18s ease;
}

.about-ready-section a:hover,
.about-ready-section a:focus-visible {
    color: #fff;
    transform: translateY(-1px);
    filter: brightness(1.04);
}

.about-page .is-reveal {
    opacity: 0;
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.about-page .is-reveal.is-visible {
    opacity: 1;
}

@media (min-width: 1081px) {
    .about-page .global-legend.is-reveal {
        transform: translateX(-50%) translateY(28px);
    }

    .about-page .global-legend.is-reveal.is-visible {
        transform: translateX(-50%) translateY(0);
    }
}

@media (max-width: 1500px) {
    .cert-dots {
        right: -54px;
    }

}

@media (max-width: 1280px) {
    .about-company,
    .about-cert,
    .about-advantages,
    .about-security,
    .about-global,
    .about-reviews,
    .about-faq {
        height: auto;
    }

    .about-timeline {
        min-height: 0;
    }

    .about-section {
        padding: 84px 0;
    }

    .about-section__header h2 {
        font-size: 42px;
    }

    .cert-tabs,
    .cert-stage,
    .advantages-grid,
    .security-list,
    .timeline-list,
    .review-grid,
    .faq-list {
        width: 100%;
    }

    /* 保留基础的 min(1276px, calc(100% - 64px))，1081-1280 区间不贴边 */
    .company-card {
        height: auto;
        min-height: 455px;
    }

    /* 窄桌面下地图区高度不足 924px，固定 top:884px 的图例会被 overflow 裁掉，改入文档流 */
    .global-legend {
        position: static;
        width: 100%;
        max-width: none;
        height: auto;
        margin: 28px auto 0;
        justify-content: center;
        flex-wrap: wrap;
        gap: 24px 64px;
        transform: none;
    }

    .about-page .global-legend.is-reveal,
    .about-page .global-legend.is-reveal.is-visible {
        transform: none;
    }

    .cert-tabs {
        height: auto;
        flex-wrap: wrap;
        padding-top: 0;
    }

    .cert-tab,
    .cert-tab:nth-child(1),
    .cert-tab:nth-child(2),
    .cert-tab:nth-child(3),
    .cert-tab:nth-child(4) {
        width: auto;
        flex: 1 1 calc(50% - 8px);
    }

    .cert-panel {
        width: 100%;
    }

    .cert-panel__copy {
        padding-left: 64px;
    }

    .cert-callout {
        top: 62%;
        left: 50%;
        right: auto;
        transform: translateX(-4%);
    }

    .cert-dots {
        display: none;
    }

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

    .security-item,
    .security-item--reverse {
        grid-template-columns: minmax(0, 1fr) 46%;
        gap: 48px;
    }

    .security-item img {
        width: 100%;
    }

    .security-item__copy h3 {
        font-size: 42px;
    }

    .security-item__copy p {
        font-size: 24px;
    }
}

@media (max-width: 1080px) {
    .about-hero,
    .about-global {
        width: 100%;
        border-radius: 0;
    }

    .about-hero {
        min-height: 680px;
    }

    .about-hero__inner {
        min-height: 680px;
        padding: 200px 0 54px;
    }

    .about-hero h1 {
        height: auto;
        font-size: 44px;
        line-height: 1.18;
    }

    .about-page .about-hero__lead {
        margin-top: 40px;
        font-size: 17px;
        line-height: 1.8;
        overflow-wrap: anywhere;
    }

    .about-hero__stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 14px;
        padding-top: 40px;
    }

    .about-stat {
        display: flex;
        min-height: 0;
        padding: 18px 12px;
        flex-direction: column;
        justify-content: center;
        border: 1px solid rgba(255, 255, 255, 0.16);
        border-radius: 16px;
        background: rgba(255, 255, 255, 0.06);
    }

    .about-stat strong {
        font-size: 34px;
        line-height: 1.15;
        overflow-wrap: anywhere;
    }

    .about-stat span {
        margin-top: 6px;
        color: rgba(255, 255, 255, 0.88);
        font-size: 14px;
        line-height: 1.4;
        letter-spacing: 0;
    }

    .about-section__header {
        margin-bottom: 34px;
    }

    .about-company .about-section__header,
    .about-cert .about-section__header,
    .about-advantages .about-section__header,
    .about-security .about-section__header,
    .about-reviews .about-section__header,
    .about-faq .about-section__header {
        height: auto;
        margin-bottom: 34px;
    }

    .about-section__header h2 {
        font-size: 36px;
        line-height: 1.2;
    }

    .about-cert .about-section__header h2,
    .about-advantages .about-section__header h2 {
        height: auto;
    }

    .about-section__header p,
    .about-cert .about-section__header p,
    .about-advantages .about-section__header p,
    .about-global .about-section__header p {
        margin-top: 12px;
        font-size: 16px;
        line-height: 1.5;
    }

    .company-card {
        display: grid;
        width: calc(100% - 40px);
        height: auto;
        min-height: 0;
        padding: 0;
        grid-template-columns: 1fr;
        max-width: 100%;
    }

    .company-card__copy {
        width: auto;
        height: auto;
    }

    .company-card__copy h3 {
        line-height: 1.4;
    }

    .company-card__copy p {
        line-height: 1.85;
    }

    .company-card__media {
        position: relative;
        top: auto;
        right: auto;
        width: 100%;
        height: auto;
        margin-top: 26px;
        border-radius: 20px;
    }

    .about-cert .container {
        width: calc(100% - 40px);
    }

    .cert-tabs {
        display: grid;
        width: 100%;
        height: auto;
        margin-bottom: 24px;
        padding-top: 0;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .cert-tab,
    .cert-tab:nth-child(1),
    .cert-tab:nth-child(2),
    .cert-tab:nth-child(3),
    .cert-tab:nth-child(4) {
        width: 100%;
        min-height: 48px;
        padding: 8px 12px;
        flex: none;
        font-size: 16px;
        line-height: 1.3;
        white-space: normal;
    }

    .cert-panel {
        display: grid;
        height: auto;
        min-height: 0;
        grid-template-columns: 1fr;
        border-radius: 28px;
    }

    .cert-panel__copy {
        width: auto;
        padding: 34px 26px;
    }

    .cert-panel__copy h3 {
        font-size: 26px;
        line-height: 1.3;
        white-space: normal;
    }

    .cert-panel__copy span {
        margin-top: 14px;
    }

    .cert-panel__copy p {
        width: auto;
        max-width: 100%;
        margin-top: 16px;
        line-height: 1.85;
    }

    .cert-panel__media {
        position: relative;
        top: auto;
        right: auto;
        width: 100%;
        height: auto;
        min-height: 280px;
        border-radius: 0 0 28px 28px;
    }

    .cert-panel__media img {
        min-height: 280px;
        object-fit: cover;
    }

    .cert-callout {
        position: static;
        width: auto;
        height: auto;
        min-height: 0;
        margin: 0 26px 26px;
        padding: 14px 18px;
        border-radius: 0 20px 20px 20px;
        font-size: 17px;
        line-height: 1.55;
        transform: none;
    }

    .cert-panel[data-cert-panel] .cert-callout {
        top: auto;
        left: auto;
        width: auto;
    }

    .advantages-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .advantage-card {
        min-height: 0;
        padding: 24px 118px 24px 20px;
    }

    .advantage-card h3 {
        width: auto;
        font-size: 22px;
        line-height: 1.3;
    }

    .advantage-card p {
        max-width: none;
        margin-top: 10px;
        font-size: 14px;
        line-height: 1.65;
    }

    .advantage-card img {
        right: 10px;
        bottom: 4px;
        width: 102px;
        height: auto;
    }

    .review-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .review-card {
        min-height: 0;
        padding: 26px 22px;
    }

    .review-card blockquote {
        margin-top: 18px;
        font-size: 15px;
        line-height: 1.75;
    }

    .review-card footer {
        margin-top: 20px;
        font-size: 13px;
        line-height: 1.55;
    }

    .security-list {
        max-width: 560px;
        gap: 14px;
    }

    .security-item,
    .security-item--reverse {
        grid-template-columns: minmax(0, 1fr) 124px;
        gap: 16px;
        min-height: 0;
        max-width: none;
        margin: 0;
        padding: 20px 18px;
        border: 1px solid #f0e3d4;
        border-radius: 18px;
        background: #fdfaf5;
        align-items: center;
    }

    .security-item--reverse img {
        order: 0;
    }

    .security-item img {
        width: 124px;
        height: auto;
        border-radius: 0;
        object-fit: contain;
    }

    .security-item--reverse .security-item__copy,
    .security-item__copy {
        text-align: left;
    }

    .security-item__copy h3 {
        font-size: 20px;
        line-height: 1.3;
        letter-spacing: 0;
    }

    .security-item__copy p {
        margin-top: 10px;
        color: #555;
        font-size: 14px;
        line-height: 1.6;
        letter-spacing: 0.5px;
    }

    .timeline-list::before {
        left: 10px;
    }

    .timeline-item {
        display: block;
        min-height: 0;
        padding-left: 40px;
    }

    .timeline-item + .timeline-item {
        margin-top: 44px;
    }

    .timeline-item::before {
        top: 9px;
        left: 10px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        text-align: left;
    }

    .timeline-content {
        max-width: none;
    }

    .timeline-content time {
        font-size: 34px;
    }

    .timeline-content h3 {
        margin-top: 6px;
        font-size: 22px;
        line-height: 1.35;
    }

    .timeline-content p {
        margin-top: 6px;
        font-size: 15px;
        line-height: 1.7;
    }

    .about-global {
        padding: 64px 0 56px;
    }

    .global-legend {
        position: static;
        width: 100%;
        height: auto;
        margin: 30px auto 0;
        justify-content: center;
        flex-wrap: wrap;
        gap: 18px 32px;
        font-size: 16px;
        transform: none;
    }

    .global-map {
        left: auto;
        width: 100%;
        margin: 0 auto;
    }

    .map-point {
        font-size: 14px;
    }

    .faq-item summary {
        min-height: 56px;
        padding: 16px 48px 16px 18px;
        font-size: 16px;
        line-height: 1.5;
    }

    .faq-item p {
        padding: 0 18px 20px;
        font-size: 15px;
        line-height: 1.7;
    }

    .about-ready-section {
        min-height: 420px;
        padding: 96px 24px 72px;
    }

    .about-ready-section h2 {
        font-size: 40px;
        line-height: 1.2;
        white-space: normal;
    }

    .about-ready-section p {
        font-size: 20px;
        line-height: 1.5;
    }
}

@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .map-point {
        font-size: 0;
        gap: 0;
    }

    .map-point::before {
        width: 12px;
        height: 12px;
        border-width: 2px;
        box-shadow: 0 0 0 5px rgba(255, 122, 0, 0.2);
    }
}

@media (max-width: 560px) {
    .about-section {
        padding: 62px 0;
    }

    .about-hero {
        min-height: 620px;
    }

    .about-hero__inner {
        width: calc(100% - 32px);
        min-height: 620px;
        padding-top: 164px;
    }

    .about-hero h1 {
        height: auto;
        font-size: 34px;
        line-height: 1.18;
    }

    .about-page .about-hero__lead {
        font-size: 15px;
    }

    .about-hero__stats {
        gap: 12px;
    }

    .about-stat {
        padding: 14px 10px;
        border-radius: 14px;
    }

    .about-stat strong {
        font-size: 27px;
    }

    .about-stat span {
        margin-top: 4px;
        font-size: 13px;
        line-height: 1.35;
    }

    .about-section__header h2 {
        font-size: 28px;
    }

    .company-card__copy h3,
    .cert-panel__copy h3 {
        font-size: 22px;
    }

    .company-card__copy p,
    .cert-panel__copy p,
    .timeline-content p,
    .faq-item p {
        font-size: 15px;
    }

    .cert-tabs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
        margin-bottom: 20px;
    }

    .cert-tab,
    .cert-tab:nth-child(1),
    .cert-tab:nth-child(2),
    .cert-tab:nth-child(3),
    .cert-tab:nth-child(4) {
        min-height: 44px;
        padding: 8px 10px;
        font-size: 14px;
    }

    .cert-panel__copy {
        padding: 28px 20px;
    }

    .cert-panel__copy p {
        line-height: 1.7;
    }

    .cert-panel__media {
        min-height: 220px;
    }

    .cert-panel__media img {
        min-height: 220px;
    }

    .cert-callout {
        margin: 0 20px 22px;
        font-size: 16px;
    }

    .advantage-card {
        padding: 22px 110px 22px 18px;
    }

    .advantage-card img {
        right: 8px;
        bottom: 4px;
        width: 96px;
    }

    .security-item,
    .security-item--reverse {
        grid-template-columns: minmax(0, 1fr) 104px;
        padding: 18px 16px;
    }

    .security-item img {
        width: 104px;
    }

    .security-item__copy h3 {
        font-size: 18px;
    }

    .timeline-content time {
        font-size: 28px;
    }

    .timeline-item::before {
        top: 6px;
    }

    .global-legend {
        gap: 14px 24px;
        font-size: 14px;
    }

    .about-ready-section {
        min-height: 360px;
        padding: 82px 20px 64px;
    }

    .about-ready-content {
        width: 100%;
    }

    .about-ready-section h2 {
        font-size: 30px;
        line-height: 1.2;
        white-space: normal;
    }

    .about-ready-section p {
        margin-top: 24px;
        font-size: 16px;
        line-height: 1.6;
    }

    .about-ready-section a {
        width: min(100%, 320px);
        margin-top: 28px;
    }
}