/* 公司介绍页 */
.page-about {
    background: #fff;
}

/* ---------- Banner ---------- */
.page-about .about-hero {
    position: relative;
    min-height: 420px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: calc(-1 * var(--header-height));
    padding: calc(var(--header-height) + 72px) 24px 72px;
    box-sizing: border-box;
}

.page-about .about-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26, 35, 50, 0.72) 0%, rgba(26, 35, 50, 0.55) 100%);
}

.page-about .about-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    text-align: center;
}

.page-about .about-hero__title {
    margin: 0 0 20px;
    color: #fff;
    font-size: 40px;
    font-weight: 700;
    line-height: 1.3;
}

.page-about .about-hero__desc {
    margin: 0;
    color: rgba(255, 255, 255, 0.92);
    font-size: 16px;
    line-height: 1.75;
}

/* ---------- 通用区块 ---------- */
.page-about .about-section {
    padding: 72px 0;
}

.page-about .about-section__inner {
    max-width: var(--home-max-width);
    margin: 0 auto;
    padding: 0 40px;
    box-sizing: border-box;
}

.page-about .about-section__heading {
    margin: 0 0 40px;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    line-height: 1.35;
}

.page-about .about-block__title {
    margin: 0 0 12px;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.35;
}

.page-about .about-block__subtitle {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.page-about .about-block__figure {
    margin: 0;
    overflow: hidden;
    background: #f2f3f5;
}

.page-about .about-block__figure img {
    display: block;
    width: 100%;
    height: 100%;
    vertical-align: top;
}

.page-about .about-block__prose {
    font-size: 15px;
    margin-top: 50px;
    color: var(--color-text-secondary);
}

/* ---------- 四方格 2×2 ---------- */
.page-about .about-section--quad {
    padding-top: 64px;
    padding-bottom: 64px;
}

.page-about .about-section--quad .about-section__inner {
    max-width: none;
    padding-left: 24px;
    padding-right: 24px;
}

.page-about .about-quad {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: repeat(2, 1fr);
    gap: 0;
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    aspect-ratio: 1;
    box-sizing: border-box;
}

.page-about .about-quad__cell {
    padding: 20px 20px;
    box-sizing: border-box;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

/* 左上：标题在上，图片贴区域右下角 */
.page-about .about-quad__cell--tl {
    display: flex;
    flex-direction: column;
}

.page-about .about-quad__cell--tl .about-block__figure {
    margin-top: auto;
    margin-left: auto;
    margin-right: 0;
    margin-bottom: 0;
    width: 100%;
    flex-shrink: 0;
}

.page-about .about-quad__cell--tl .about-block__figure img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* 右上：公司介绍 + 口号 + LEARN MORE */
.page-about .about-quad__cell--tr {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.page-about .about-quad__intro {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

/*.page-about .about-quad__intro p {*/
/*    margin: 0 0 14px;*/
/*}*/

.page-about .about-quad__intro p:last-child {
    margin-bottom: 0;
}

.page-about .about-quad__tagline {
    margin: 58px 0 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.page-about .about-quad__more {
    margin-top: 20px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--color-primary);
    text-transform: uppercase;
    transition: color 0.2s;
}

.page-about .about-quad__more:hover {
    color: var(--color-primary-hover);
}

.page-about .about-quad__cell--bl .about-block__title{
    margin-top: 200px;
}

/* 右下：图片贴区域左上角 */
.page-about .about-quad__cell--br {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
}

.page-about .about-quad__cell--br .about-block__figure {
    margin: 0;
    width: 100%;
    flex-shrink: 0;
}

.page-about .about-quad__cell--br .about-block__figure img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* ---------- 品牌优势 ---------- */
.page-about .about-advantages {
    position: relative;
    padding: 80px 24px;
    height: 440px;
    text-align: center;
}

.page-about .about-advantages__inner {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 120px auto;
}

.page-about .about-advantages__title {
    margin: 0 0 24px;
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    line-height: 1.35;
}

.page-about .about-advantages__desc {
    margin: 0;
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255, 255, 255, 0.92);
}

/* ---------- 企业动态（居中三列，比例参照设计稿） ---------- */
.page-about .about-section--dynamics {
    padding: 62px 0 72px;
    overflow: hidden;
    background: #fff;
}

.page-about .about-dynamics__heading {
    margin: 0 0 40px;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    line-height: 1.3;
}

/* 整体内容区约 85% 宽、居中 */
.page-about .about-dynamics-center {
    width: 85%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 12px;
    box-sizing: border-box;
}

.page-about .about-dynamics-carousel.owl-carousel {
    display: block;
    width: 100%;
}

.page-about .about-dynamics-carousel .owl-wrapper-outer {
    overflow: hidden;
}

.page-about .about-dynamics-carousel .owl-item {
    float: left;
    box-sizing: border-box;
    padding: 0 12px;
}

.page-about .about-dynamics-item {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
}

.page-about .about-dynamics-item:hover {
    color: inherit;
    transform: none;
    box-shadow: none;
}

/* 上图 16:9 */
.page-about .about-dynamics-item__img {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #e8f3ff;
    flex-shrink: 0;
}

.page-about .about-dynamics-item__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* 下文区域高度与上图接近 */
.page-about .about-dynamics-item__body {
    display: flex;
    flex-direction: column;
    width: 100%;
    aspect-ratio: 16 / 9;
    padding: 14px 0 0;
    box-sizing: border-box;
}

.page-about .about-dynamics-item__title {
    margin: 0 0 10px;
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.4;
    text-align: left;
}

.page-about .about-dynamics-item__desc {
    margin: 0;
    flex: 1;
    font-size: 13px;
    line-height: 1.65;
    color: var(--color-text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.page-about .about-dynamics-item__date {
    margin-top: auto;
    padding-top: 12px;
    font-size: 12px;
    color: var(--color-text-tertiary);
}

/* Owl Carousel v1 分页（pscroll.css 默认隐藏 .owl-page） */
#about-dynamics-carousel.owl-theme .owl-controls {
    position: relative;
    margin-top: 28px;
    padding-bottom: 8px;
    text-align: center;
    width: 100%;
}

#about-dynamics-carousel.owl-theme .owl-controls .owl-pagination {
    display: block !important;
    text-align: center;
}

#about-dynamics-carousel.owl-theme .owl-controls .owl-page {
    display: inline-block !important;
}

#about-dynamics-carousel.owl-theme .owl-controls .owl-page span {
    display: block;
    width: 8px;
    height: 8px;
    margin: 0 6px;
    border-radius: 2px;
    background: #c9cdd4;
    transition: width 0.25s, background 0.25s, border-radius 0.25s;
}

#about-dynamics-carousel.owl-theme .owl-controls .owl-page.active span {
    width: 24px;
    height: 8px;
    border-radius: 4px;
    background: var(--color-primary);
}

/* ---------- 行业新闻（居中，切换时图片比例固定） ---------- */
.page-about .about-section--industry {
    padding: 62px 0 72px;
    background: var(--color-text-light);
}

.page-about .about-industry__heading {
    margin: 0 0 40px;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text-primary);
    text-align: center;
    line-height: 1.3;
}

.page-about .about-industry-center {
    width: 85%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 12px;
    box-sizing: border-box;
}

.page-about .about-industry {
    position: relative;
    width: 100%;
}

/* 占位高度 = 右栏 16:9 大图（约半宽），切换条目时外层高度不变 */
.page-about .about-industry::after {
    content: "";
    display: block;
    padding-bottom: 28.125%;
    pointer-events: none;
}

.page-about .about-industry__panel {
    position: absolute;
    inset: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.45s ease;
}

.page-about .about-industry__text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    justify-self: center;
    align-self: center;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    box-sizing: border-box;
}

.page-about .about-industry__panel.is-active {
    position: absolute;
    inset: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.page-about .about-industry__title {
    margin: 0 0 16px;
    font-size: 26px;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.4;
}

.page-about .about-industry__desc {
    margin: 0;
    font-size: 15px;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.page-about .about-industry__nav {
    display: flex;
    gap: 12px;
    margin-top: 28px;
}

.page-about .about-industry__arrow {
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid #c9cdd4;
    border-radius: 50%;
    background: var(--color-text-secondary);
    color: var(--color-text-light);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    transition: border-color 0.2s, color 0.2s;
}

.page-about .about-industry__arrow:hover {
    border-color: var(--color-text-secondary);
    background: var(--color-bg-card);
    color: var(--color-text-secondary);
}

.page-about .about-industry__media {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 4px;
    overflow: hidden;
    background: #e8f3ff;
    flex-shrink: 0;
}

.page-about .about-industry__media img {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .page-about .about-hero__title {
        font-size: 30px;
    }

    .page-about .about-dynamics-center {
        width: 92%;
        padding: 0 8px;
    }

    .page-about .about-dynamics-carousel .owl-item {
        padding: 0 8px;
    }

    .page-about .about-dynamics__heading {
        font-size: 26px;
        margin-bottom: 32px;
    }

    .page-about .about-quad {
        grid-template-columns: 1fr;
        grid-template-rows: repeat(4, minmax(280px, auto));
        aspect-ratio: auto;
    }

    .page-about .about-industry-center {
        width: 92%;
        padding: 0 8px;
    }

    .page-about .about-industry::after {
        display: none;
    }

    .page-about .about-industry__panel {
        position: relative;
        inset: auto;
        display: none;
        opacity: 1;
        visibility: visible;
        pointer-events: none;
    }

    .page-about .about-industry__panel.is-active {
        display: grid;
        grid-template-columns: 1fr;
        gap: 24px;
        pointer-events: auto;
    }

    .page-about .about-industry__heading {
        font-size: 26px;
        margin-bottom: 32px;
    }

    .page-about .about-quad__cell {
        padding: 28px 24px;
    }

    .page-about .about-quad__cell--tl .about-block__figure,
    .page-about .about-quad__cell--br .about-block__figure {
        width: 72%;
        max-width: none;
    }

    .page-about .about-section__inner {
        padding: 20px 24px;
    }
}

@media (max-width: 640px) {
    .page-about .about-hero {
        min-height: 320px;
        padding-top: calc(var(--header-height) + 48px);
        padding-bottom: 48px;
    }

    .page-about .about-hero__title {
        font-size: 24px;
    }

    .page-about .about-hero__desc {
        font-size: 14px;
    }

    .page-about .about-section {
        padding: 48px 0;
    }

    .page-about .about-section__heading,
    .page-about .about-advantages__title {
        font-size: 26px;
    }

    .page-about .about-block__title {
        font-size: 24px;
    }
}