/* 创欣隆 V2 关于我们 */
.cxl-about-v1 { background: #fff; }
.cxl-about-container { width: min(calc(100% - 40px), var(--cxl-container)); margin-inline: auto; }
.cxl-about-kicker {
    margin: 0 0 11px;
    color: var(--cxl-red);
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .14em;
    line-height: 1.45;
    text-transform: uppercase;
}

/* 公司概览 */
.cxl-about-overview { padding: 72px 0 0; }
.cxl-about-overview__grid {
    display: grid;
    grid-template-columns: minmax(0,.84fr) minmax(0,1.16fr);
    gap: 54px;
    align-items: center;
}
.cxl-about-overview__visual {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: #e9ebed;
    box-shadow: 0 14px 34px rgba(20,24,30,.08);
}
.cxl-about-overview__visual > img { width: 100%; height: 100%; object-fit: cover; }
.cxl-about-overview__placeholder {
    width: 100%; height: 100%; min-height: 380px;
    display: grid; place-items: center;
    color: #d5d8dc;
    font-family: Arial,sans-serif;
    font-size: 96px;
    font-weight: 800;
}
.cxl-about-overview__badge {
    position: absolute; left: 0; bottom: 0;
    padding: 10px 18px;
    color: #fff;
    background: var(--cxl-red);
    font-family: "Segoe UI",Arial,sans-serif;
    font-size: 13px;
    font-weight: 600;
}
.cxl-about-overview__content h2 {
    margin: 0;
    color: var(--cxl-ink);
    font-size: clamp(30px,3vw,40px);
    line-height: 1.34;
}
.cxl-about-richtext { margin-top: 18px; color: #5c626a; line-height: 1.9; }
.cxl-about-richtext p { margin: 0 0 14px; }
.cxl-about-capabilities { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.cxl-about-capabilities span {
    padding: 7px 12px;
    border: 1px solid #dfe2e5;
    color: #50565e;
    background: #fff;
    font-size: 13px;
}
.cxl-about-market-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.cxl-about-market-grid article { min-height: 116px; padding: 19px 20px; border: 1px solid var(--cxl-line); background: #f7f7f8; }
.cxl-about-market-grid article > span {
    display: block;
    margin-bottom: 5px;
    color: #8b9097;
    font-family: "Segoe UI",Arial,sans-serif;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .10em;
}
.cxl-about-market-grid h3 { margin: 0 0 7px; color: var(--cxl-ink); font-size: 16px; }
.cxl-about-market-grid p { margin: 0; color: var(--cxl-muted); font-size: 13px; line-height: 1.72; }
.cxl-about-stats {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    margin-top: 46px;
    border: 1px solid var(--cxl-line);
    background: #fff;
}
.cxl-about-stat { padding: 26px 24px 25px; border-right: 1px solid var(--cxl-line); text-align: center; }
.cxl-about-stat:last-child { border-right: 0; }
.cxl-about-stat__number {
    margin: 0;
    color: var(--cxl-red);
    font-family: "Segoe UI", Arial, sans-serif;
    font-size: 31px;
    font-weight: 700;
    line-height: 1.2;
}
.cxl-about-stat__number small { font-size: 14px; font-weight: 500; }
.cxl-about-stat__label { margin: 7px 0 0; color: #858a91; font-size: 13px; }

/* 通用章节 */
.cxl-about-section { padding: 82px 0; }
.cxl-about-section-heading { max-width: 760px; margin: 0 auto 38px; text-align: center; }
.cxl-about-section-heading--left { max-width: none; margin-left: 0; text-align: left; }
.cxl-about-section-heading h2 { margin: 0; color: var(--cxl-ink); font-size: 34px; line-height: 1.4; }
.cxl-about-section-heading > p:last-child { margin: 12px 0 0; color: var(--cxl-muted); }

/* 企业文化：3 + 2 居中 */
.cxl-about-philosophy { background: #f5f6f7; }
.cxl-about-philosophy__grid {
    display: grid;
    grid-template-columns: repeat(6,minmax(0,1fr));
    gap: 16px;
}
.cxl-about-value-card {
    position: relative;
    grid-column: span 2;
    min-height: 252px;
    padding: 26px 25px;
    overflow: hidden;
    border: 1px solid #e2e4e7;
    background: #fff;
}
.cxl-about-value-card:nth-child(4) { grid-column: 2 / span 2; }
.cxl-about-value-card:nth-child(5) { grid-column: 4 / span 2; }
.cxl-about-value-card::before {
    content: "";
    position: absolute;
    left: 0; top: 0;
    width: 3px; height: 0;
    background: var(--cxl-red);
    transition: height .25s ease;
}
.cxl-about-value-card:hover::before { height: 100%; }
.cxl-about-value-card__index {
    display: block;
    margin: 0 0 16px;
    color: #c3c7cc;
    font-family: "Segoe UI",Arial,sans-serif;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .08em;
}
.cxl-about-value-card__kicker {
    margin: 0 0 7px;
    color: var(--cxl-red);
    font-family: "Segoe UI",Arial,sans-serif;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: .12em;
    text-transform: uppercase;
}
.cxl-about-value-card h3 { margin: 0 0 11px; color: var(--cxl-ink); font-size: 20px; line-height: 1.45; }
.cxl-about-value-card div { color: var(--cxl-muted); font-size: 14px; line-height: 1.68; }
.cxl-about-value-card div p { margin: 0; }

/* 发展历程：宽版单侧时间轴 */
.cxl-about-history { background: #fff; }
.cxl-about-history .cxl-about-section-heading { margin-bottom: 34px; }
.cxl-about-timeline { position: relative; width: 100%; margin: 0; }
.cxl-about-timeline::before {
    content: "";
    position: absolute;
    left: 166px;
    top: 9px;
    bottom: 14px;
    width: 1px;
    background: #dfe2e5;
}
.cxl-about-timeline__item {
    position: relative;
    display: grid;
    grid-template-columns: 128px minmax(0,1fr);
    gap: 64px;
    padding: 0 0 16px;
}
.cxl-about-timeline__item:last-child { padding-bottom: 0; }
.cxl-about-timeline__item::before {
    content: "";
    position: absolute;
    left: 160px;
    top: 7px;
    width: 9px;
    height: 9px;
    border: 2px solid #fff;
    border-radius: 50%;
    background: var(--cxl-red);
    box-shadow: 0 0 0 2px rgba(218,37,29,.20);
}
.cxl-about-timeline__year {
    padding-top: 1px;
    color: var(--cxl-red);
    font-family: "Segoe UI",Arial,sans-serif;
    font-size: 16px;
    font-weight: 600;
    text-align: right;
}
.cxl-about-timeline__body {
    position: relative;
    min-height: 58px;
    padding: 0 0 16px;
}
.cxl-about-timeline__body::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: min(72%, 760px);
    height: 1px;
    background: #eceef0;
}
.cxl-about-timeline__item:last-child .cxl-about-timeline__body { padding-bottom: 0; }
.cxl-about-timeline__item:last-child .cxl-about-timeline__body::after { display: none; }
.cxl-about-timeline__body h3 { margin: 0 0 6px; color: var(--cxl-ink); font-size: 19px; }
.cxl-about-timeline__body p { max-width: 900px; margin: 0; color: var(--cxl-muted); line-height: 1.76; }

/* 体系证书 */
.cxl-about-certificates { color: #fff; background: #1c1f24; }
.cxl-about-section-heading--inverse h2 { color: #fff; }
.cxl-about-section-heading--inverse > p:last-child { color: #a8aeb7; }
.cxl-about-section-heading--inverse .cxl-about-kicker { color: #ff716b; }
.cxl-about-certificates .cxl-about-section-heading { margin-bottom: 32px; }
.cxl-about-certificates__grid {
    display: grid;
    grid-template-columns: repeat(2,minmax(0,1fr));
    gap: 18px;
    max-width: 1100px;
    margin-inline: auto;
}
.cxl-about-certificate-card {
    display: grid;
    grid-template-columns: 178px minmax(0,1fr);
    gap: 26px;
    align-items: center;
    padding: 19px;
    border: 1px solid #30343a;
    background: #23272d;
}
.cxl-about-certificate-card > a { position: relative; display: block; overflow: hidden; background: #fff; }
.cxl-about-certificate-card img { width: 100%; aspect-ratio: .72 / 1; object-fit: cover; }
.cxl-about-certificate-card__zoom {
    position: absolute;
    right: 8px; bottom: 8px;
    padding: 4px 8px;
    color: #fff;
    background: rgba(0,0,0,.62);
    font-size: 11px;
}
.cxl-about-certificate-card h3 { margin: 0 0 7px; color: #fff; font-size: 18px; line-height: 1.45; }
.cxl-about-certificate-card p { margin: 0; color: #a9afb7; font-size: 13px; }

/* 合作伙伴：不足整行自动居中 */
.cxl-about-partners { background: #f6f7f8; }
.cxl-about-partners .cxl-about-section-heading { margin-bottom: 32px; }
.cxl-about-partners__grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}
.cxl-about-partner-card {
    flex: 0 1 calc((100% - 48px) / 5);
    min-width: 0;
    min-height: 80px;
    display: grid;
    place-items: center;
    padding: 12px 14px;
    border: 1px solid var(--cxl-line);
    background: #fff;
    filter: grayscale(1);
    transition: filter .2s ease, border-color .2s ease;
}
.cxl-about-partner-card:hover { filter: grayscale(0); border-color: #d3d6da; }
.cxl-about-partner-card a { width: 100%; height: 100%; display: grid; place-items: center; }
.cxl-about-partner-card img { max-width: 92%; max-height: 60px; object-fit: contain; }

/* 证书弹窗 */
.cxl-about-cert-dialog { max-width: min(92vw, 820px); max-height: 90vh; padding: 0; border: 0; background: transparent; }
.cxl-about-cert-dialog::backdrop { background: rgba(0,0,0,.78); }
.cxl-about-cert-dialog figure { margin: 0; padding: 18px; background: #fff; }
.cxl-about-cert-dialog img { width: auto; max-width: 100%; max-height: 78vh; margin-inline: auto; object-fit: contain; }
.cxl-about-cert-dialog figcaption { padding-top: 10px; color: #4c525a; text-align: center; font-size: 13px; }
.cxl-about-cert-dialog__close {
    position: fixed;
    right: 22px; top: 18px;
    width: 42px; height: 42px;
    border: 0;
    border-radius: 50%;
    color: #fff;
    background: rgba(0,0,0,.55);
    font-size: 28px;
    cursor: pointer;
}

@media (max-width: 1000px) {
    .cxl-about-overview__grid { gap: 40px; }
    .cxl-about-philosophy__grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .cxl-about-value-card,
    .cxl-about-value-card:nth-child(4),
    .cxl-about-value-card:nth-child(5) { grid-column: auto; }
    .cxl-about-partner-card { flex-basis: calc((100% - 36px) / 4); }
}

@media (max-width: 760px) {
    .cxl-about-container { width: min(calc(100% - 32px), var(--cxl-container)); }
    .cxl-about-overview { padding-top: 54px; }
    .cxl-about-overview__grid { grid-template-columns: 1fr; }
    .cxl-about-overview__visual { max-width: 640px; width: 100%; margin-inline: auto; }
    .cxl-about-overview__placeholder { min-height: 330px; }
    .cxl-about-stats { grid-template-columns: repeat(2,1fr); margin-top: 42px; }
    .cxl-about-stat { border-bottom: 1px solid var(--cxl-line); }
    .cxl-about-stat:nth-child(2n) { border-right: 0; }
    .cxl-about-stat:nth-last-child(-n+2) { border-bottom: 0; }
    .cxl-about-section { padding: 62px 0; }
    .cxl-about-section-heading h2 { font-size: 29px; }
    .cxl-about-timeline::before { left: 112px; }
    .cxl-about-timeline__item { grid-template-columns: 86px minmax(0,1fr); gap: 52px; }
    .cxl-about-timeline__item::before { left: 107px; }
    .cxl-about-certificates__grid { grid-template-columns: 1fr; max-width: 620px; }
    .cxl-about-partner-card { flex-basis: calc((100% - 24px) / 3); }
}

@media (max-width: 520px) {
    .cxl-about-container { width: min(calc(100% - 24px), var(--cxl-container)); }
    .cxl-about-overview__placeholder { min-height: 250px; }
    .cxl-about-market-grid { grid-template-columns: 1fr; }
    .cxl-about-philosophy__grid { grid-template-columns: 1fr; }
    .cxl-about-value-card { min-height: 0; }
    .cxl-about-timeline::before { left: 72px; }
    .cxl-about-timeline__item { grid-template-columns: 52px minmax(0,1fr); gap: 42px; padding-bottom: 20px; }
    .cxl-about-timeline__item::before { left: 67px; }
    .cxl-about-timeline__year { font-size: 14px; text-align: left; }
    .cxl-about-timeline__body { min-height: 0; padding-bottom: 18px; }
    .cxl-about-timeline__body::after { width: 86%; }
    .cxl-about-certificate-card { grid-template-columns: 108px minmax(0,1fr); gap: 15px; padding: 14px; }
    .cxl-about-partner-card { flex-basis: calc((100% - 12px) / 2); min-height: 76px; }
}