.xuanshu-about-page {
    background: #fff;
}

.xuanshu-about-page .xuanshu-header.xuanshu-page-header {
    background: #fff;
}

.xuanshu-about-page .xuanshu-page-header.fixed-header {
    background: rgba(255, 255, 255, 0.94);
}

.xuanshu-about-main {
    padding: 162px 0 0;
}

.xuanshu-about-hero {
    position: relative;
    width: calc(100% - 200px);
    max-width: 1240px;
    height: 450px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 4px;
    background: transparent;
    color: #fff;
    user-select: none;
    -webkit-user-select: none;
}

.xuanshu-about-hero::after {
    position: absolute;
    z-index: 2;
    inset: 0;
    background: rgba(0, 0, 0, 0.2);
    content: "";
    pointer-events: none;
}

.xuanshu-about-hero-fallback,
.xuanshu-about-hero-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.xuanshu-about-hero-fallback img,
.xuanshu-about-hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    -webkit-user-drag: none;
    -webkit-touch-callout: none;
}

.xuanshu-about-hero-fallback {
    z-index: 0;
    display: block;
}

.xuanshu-about-hero-video {
    z-index: 1;
    opacity: 1;
}

.xuanshu-about-hero.is-video-unavailable .xuanshu-about-hero-fallback {
    display: block;
}

.xuanshu-about-hero.is-video-unavailable .xuanshu-about-hero-video {
    display: none;
}

.xuanshu-about-hero-copy {
    position: absolute;
    z-index: 3;
    top: 155px;
    left: 0;
    width: 100%;
    max-width: none;
    padding: 0 30px;
    box-sizing: border-box;
    text-align: center;
}

.xuanshu-about-hero-copy h1 {
    margin: 0;
    font-size: 66.428571px;
    font-weight: 700;
    line-height: 1.475269;
    text-shadow: 0 2px 9px rgba(0, 0, 0, 0.5);
}

.xuanshu-about-hero-copy p {
    margin: 5.357143px 0 0;
    font-size: 22.142857px;
    font-weight: 700;
    line-height: 1.490323;
    text-shadow: 0 2px 9px rgba(0, 0, 0, 0.5);
}

.xuanshu-about-content {
    width: calc(100% - 320px);
    max-width: 1120px;
    margin: 100px auto 200px;
}

.xuanshu-about-intro h2 {
    max-width: 920px;
    margin: 0;
    color: #1a1a1a;
    font-size: 48px;
    font-weight: 700;
    line-height: var(--xuanshu-line-cn-heading);
}

.xuanshu-about-content p {
    margin: 34px 0 0;
    color: #444;
    font-size: 16px;
    line-height: var(--xuanshu-line-cn-body);
}

.xuanshu-about-section {
    margin-top: 100px;
}

.xuanshu-about-section > h2 {
    position: relative;
    margin: 0;
    padding-left: 26px;
    color: #1a1a1a;
    font-size: 30px;
    font-weight: 700;
    line-height: var(--xuanshu-line-cn-subheading);
}

.xuanshu-about-section > h2::before {
    position: absolute;
    top: 7px;
    height: 32px;
    left: 0;
    width: 6px;
    background: #4340df;
    content: "";
}

.xuanshu-about-section > p {
    margin-top: 24px;
}

.xuanshu-about-section > p + p {
    margin-top: 28px;
}

.xuanshu-about-industries + .xuanshu-about-section {
    margin-top: 120px;
}

.xuanshu-about-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 60px 80px;
    margin-top: 60px;
}

.xuanshu-about-card picture,
.xuanshu-about-card img {
    display: block;
    width: 100%;
    aspect-ratio: 520 / 220;
}

.xuanshu-about-card img {
    border-radius: 8px;
    object-fit: cover;
}

.xuanshu-about-card h3 {
    margin: 20px 0 0;
    color: #1a1a1a;
    font-size: 20px;
    font-weight: 700;
    line-height: var(--xuanshu-line-cn-subheading);
}

.xuanshu-about-card p {
    margin-top: 8px;
    color: #666;
    font-size: 14px;
    line-height: var(--xuanshu-line-cn-body);
}

.xuanshu-about-global {
    margin-top: 100px;
}

.xuanshu-about-gd-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 196px;
    height: 64px;
    margin-top: 60px;
    padding: 0 40px;
    border-radius: 99px;
    background: #4340df;
    color: #fff;
    font-family: "PingFang SC", "Source Han Sans CN", sans-serif;
    font-size: 17px;
    font-weight: 700;
    user-select: none;
    -webkit-user-select: none;
    transition: background 180ms ease, transform 180ms ease;
}

.xuanshu-about-gd-button:hover {
    background: #3125b8;
}

.xuanshu-about-gd-button:active {
    transform: translateY(1px);
}

.xuanshu-about-footer {
    min-height: 149px;
}

.xuanshu-about-footer-inner {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    width: calc(100% - 200px);
    max-width: 1240px;
    margin: 0 auto;
    padding: 27px 8px 0;
    border-top: 0.5px solid rgba(0, 0, 0, 0.2);
    color: #666;
    font-size: 14px;
    line-height: var(--xuanshu-line-cn-label);
}

.xuanshu-about-footer nav {
    display: flex;
    gap: 40px;
}

.xuanshu-about-footer p {
    margin: 3px 0 0;
}

@media (max-width: 1023px) {
    .xuanshu-about-main {
        padding-top: 100px;
    }

    .xuanshu-about-hero {
        width: calc(100% - 60px);
        height: 360px;
        min-height: 360px;
        aspect-ratio: auto;
        border-radius: 16px;
    }

    .xuanshu-about-hero-copy h1 {
        font-size: clamp(38px, 7vw, 54px);
        line-height: 1.3;
    }

    .xuanshu-about-hero-copy p {
        margin-top: 10px;
        font-size: 18px;
        line-height: 1.5;
    }

    .xuanshu-about-hero-copy {
        top: 50%;
        transform: translateY(-50%);
    }

    .xuanshu-about-content {
        width: calc(100% - 60px);
        margin: 70px auto 90px;
    }

    .xuanshu-about-intro h2 {
        font-size: 38px;
        line-height: var(--xuanshu-line-cn-heading);
    }

    .xuanshu-about-card-grid {
        gap: 44px 36px;
    }

    .xuanshu-about-footer {
        min-height: 180px;
        padding: 0 30px;
    }

    .xuanshu-about-footer-inner {
        display: block;
        width: 100%;
        padding: 26px 0 0;
    }

    .xuanshu-about-footer p {
        margin-top: 28px;
    }
}

@media (max-width: 639px) {
    .xuanshu-about-main {
        padding-top: 80px;
    }

    .xuanshu-about-hero {
        width: 100%;
        min-height: 360px;
        height: 360px;
        border-radius: 0;
    }

    .xuanshu-about-hero-fallback {
        display: block;
    }

    .xuanshu-about-hero-video {
        display: none;
    }

    .xuanshu-about-hero-copy {
        padding-right: 24px;
        padding-left: 24px;
    }

    .xuanshu-about-hero-copy h1 {
        font-size: 36px;
        line-height: 1.3;
    }

    .xuanshu-about-hero-copy p {
        font-size: 17px;
    }

    .xuanshu-about-content {
        width: calc(100% - 60px);
        margin: 60px auto 80px;
    }

    .xuanshu-about-intro h2 {
        font-size: 32px;
        line-height: var(--xuanshu-line-cn-heading);
    }

    .xuanshu-about-content p {
        font-size: 15px;
        line-height: var(--xuanshu-line-cn-body);
    }

    .xuanshu-about-section {
        margin-top: 60px;
    }

    .xuanshu-about-section > h2 {
        padding-left: 14px;
        font-size: 24px;
        line-height: var(--xuanshu-line-cn-subheading);
    }

    .xuanshu-about-section > h2::before {
        top: 3px;
        bottom: 3px;
        width: 4px;
    }

    .xuanshu-about-card-grid {
        grid-template-columns: 1fr;
        gap: 42px;
        margin-top: 30px;
    }

    .xuanshu-about-card h3 {
        font-size: 21px;
    }

    .xuanshu-about-gd-button {
        width: 100%;
        margin-top: 32px;
    }
}

@media (max-height: 499px) and (orientation: landscape) {
    .xuanshu-about-hero-copy {
        padding-right: calc(30px + env(safe-area-inset-right));
        padding-left: calc(30px + env(safe-area-inset-left));
    }

    .xuanshu-about-content {
        width: auto;
        margin-right: calc(30px + env(safe-area-inset-right));
        margin-left: calc(30px + env(safe-area-inset-left));
    }
}

@media (max-width: 1023px) and (max-height: 499px) and (orientation: landscape) {
    .xuanshu-about-hero {
        width: auto;
        margin-right: calc(20px + env(safe-area-inset-right));
        margin-left: calc(20px + env(safe-area-inset-left));
    }

    .xuanshu-about-hero-copy {
        padding-right: calc(20px + env(safe-area-inset-right));
        padding-left: calc(20px + env(safe-area-inset-left));
    }

    .xuanshu-about-content {
        margin-right: calc(20px + env(safe-area-inset-right));
        margin-left: calc(20px + env(safe-area-inset-left));
    }

}

@media (max-height: 499px) {
    .xuanshu-about-hero-video {
        display: none;
    }
}