/* 行业解决方案归档页：首屏、介绍与业务网格均以 PSD 的 1920 画布为基准。 */
.zbt-solution-archive-page .zbt-page-hero {
    position: relative;
    isolation: isolate;
    /* Reason: PSD 的首屏背景图仅包含 y=171–937 的 768px 画面；上下 16px 分别属于黑色衔接带与独立蓝色渐变横线。 */
    --zbt-solution-archive-hero-boundary-size: var(--zbt-page-hero-bottom-boundary-size, 16px);
    block-size: 799px;
    overflow: clip;
    background-color: #030303;
    background-image: var(--zbt-page-hero-overlay, none), var(--zbt-page-hero-background, none);
    background-position: center, center var(--zbt-solution-archive-hero-boundary-size);
    background-repeat: no-repeat;
    background-size: 100% 100%, 1920px auto;
}

.zbt-solution-archive-page .zbt-page-hero__canvas {
    position: relative;
    z-index: 1;
    inline-size: 1920px;
    block-size: 100%;
    margin-inline: auto;
}

.zbt-solution-archive-page .zbt-page-hero__content {
    inline-size: 1224px;
    margin: 0 auto;
    padding-top: 202px;
}

.zbt-solution-archive-page .zbt-page-hero__content h1,
.zbt-solution-archive-page .zbt-page-hero__content p {
    margin: 0;
    color: #fff;
    font-family: "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
}

.zbt-solution-archive-page .zbt-page-hero__content h1 {
    font-size: 98px;
    font-weight: 700;
    line-height: 104px;
    letter-spacing: 0;
    white-space: nowrap;
}

.zbt-solution-archive-page .zbt-page-hero__content p {
    max-inline-size: 1130px;
    margin-top: 50px;
    font-size: 32px;
    font-weight: 700;
    line-height: 72px;
}

.zbt-solution-archive-page__intro {
    box-sizing: border-box;
    overflow: clip;
    background: #fff;
    color: #4a4a4a;
}

.zbt-solution-archive-page__intro-inner {
    box-sizing: border-box;
    inline-size: min(100% - 96px, 1224px);
    margin-inline: auto;
    padding-block: 117px 128px;
}

.zbt-solution-archive-page__intro h2 {
    margin: 0;
    color: #0642dc;
    font-family: "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
    font-size: 56px;
    font-weight: 700;
    line-height: 1.32;
    letter-spacing: 0;
}

.zbt-solution-archive-page__intro-copy {
    margin-top: 52px;
    font-family: "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
    font-size: 22px;
    font-weight: 400;
    line-height: 1.95;
}

.zbt-solution-archive-page__intro-copy p {
    margin: 0;
}

.zbt-solution-archive-page__intro-copy p + p {
    margin-top: 12px;
}

.zbt-solution-archive-page__grid {
    display: grid;
    /* Reason: 本轮业务总览改为六张卡片两行三列；卡片按可用列宽自适应，不能沿用旧两列的放大尺寸。 */
    grid-template-columns: repeat(3, minmax(0, 1fr));
    inline-size: min(calc(100% - (var(--zbt-layout-gutter) * 2)), var(--zbt-layout-wide-max));
    margin-inline: auto;
    /* Reason: 网格与全站联系方式之间需要独立的白色过渡空间；用 clamp 保证不同视口下不贴底也不过度拉开。 */
    padding-block-end: clamp(88px, 7vw, 136px);
    gap: 2px;
    overflow: clip;
    background: #fff;
}

.zbt-solution-card {
    position: relative;
    scroll-margin-block-start: calc(var(--zbt-header-block-size, 88px) + 24px);
    min-inline-size: 0;
    aspect-ratio: 959 / 715;
    container-type: inline-size;
    overflow: hidden;
    background: #7892c7;
}

.zbt-solution-card__link,
.zbt-solution-card__media,
.zbt-solution-card__overlay,
.zbt-solution-card__content {
    position: absolute;
    inset: 0;
}

.zbt-solution-card__link {
    display: block;
    isolation: isolate;
    overflow: hidden;
    color: #fff;
    text-decoration: none;
}

.zbt-solution-card__media {
    z-index: -2;
    display: block;
    background: #7892c7;
}

.zbt-solution-card__media img {
    display: block;
    inline-size: 100%;
    block-size: 100%;
    object-fit: cover;
}

.zbt-solution-card__overlay {
    z-index: -1;
    display: block;
    background: linear-gradient(148deg, rgb(122 157 226 / 0.62) 0%, rgb(78 108 181 / 0.56) 100%);
    transition: background-color 240ms ease, background-image 240ms ease;
}

.zbt-solution-card__content {
    display: grid;
    place-items: center;
    align-content: center;
    box-sizing: border-box;
    padding: clamp(28px, 8cqw, 48px);
}

.zbt-solution-card h3 {
    margin: 0;
    color: #fff;
    font-family: "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
    /* Reason: 字号以卡片容器为基准连续缩放，三列后不会因为仍按视口取值而显得过大。 */
    font-size: clamp(28px, 7.2cqw, 48px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0;
    text-align: center;
    text-shadow: 0 3px 2px rgb(0 0 0 / 0.52);
    transition: color 240ms ease, text-shadow 240ms ease;
}

.zbt-solution-card__cta {
    position: absolute;
    inset-inline-start: 50%;
    inset-block-end: clamp(24px, 8.3%, 60px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: clamp(12px, 3.48cqw, 25px);
    box-sizing: border-box;
    inline-size: clamp(176px, 43.1%, 310px);
    min-block-size: 0;
    aspect-ratio: 310 / 105;
    padding-inline: clamp(12px, 2.78cqw, 20px);
    border-radius: 12px;
    background: #fff;
    color: #0642dc;
    font-family: "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
    font-size: clamp(20px, 4.73cqw, 34px);
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%);
    transition: opacity 240ms ease, color 240ms ease, background-color 240ms ease;
}

.zbt-solution-card__cta-icon,
.zbt-solution-card__cta-icon img {
    display: block;
    flex: 0 0 auto;
    inline-size: clamp(32px, 7.23cqw, 52px);
    block-size: clamp(32px, 7.23cqw, 52px);
}

.zbt-solution-card__cta > span:last-child {
    flex: 0 0 auto;
    white-space: nowrap;
}

/* Reason: 只切换颜色和透明度，不改变卡片、标题或 CTA 的几何，避免鼠标移动时出现可见位移。 */
.zbt-solution-card__link:hover .zbt-solution-card__overlay,
.zbt-solution-card__link:focus-visible .zbt-solution-card__overlay {
    background: linear-gradient(180deg, rgb(0 44 184 / 0.3) 0%, rgb(0 39 177 / 0.95) 100%);
}

.zbt-solution-card__link:hover .zbt-solution-card__cta,
.zbt-solution-card__link:focus-visible .zbt-solution-card__cta {
    opacity: 1;
}

.zbt-solution-card__link:focus-visible {
    outline: 4px solid #fff;
    outline-offset: -8px;
}

@media (min-width: 92.0625rem) and (max-width: 120rem) {
    .zbt-solution-archive-page .zbt-page-hero {
        --zbt-solution-archive-hero-boundary-size: var(--zbt-page-hero-bottom-boundary-size);
        block-size: calc(100vw * 799 / 1920);
        background-size: 100% 100%, 100vw auto;
    }

    .zbt-solution-archive-page .zbt-page-hero__canvas {
        margin-inline: 0;
        transform: scale(calc(100vw / 1920px));
        transform-origin: top left;
    }
}

@media (max-width: 92rem) {
    .zbt-solution-archive-page .zbt-page-hero {
        --zbt-solution-archive-hero-boundary-size: 0px;
        block-size: auto;
        min-block-size: 560px;
        background-position: center;
        background-size: cover;
    }

    .zbt-solution-archive-page .zbt-page-hero__canvas {
        inline-size: 100%;
        min-block-size: 560px;
        transform: none;
    }

    .zbt-solution-archive-page .zbt-page-hero__content {
        inline-size: min(calc(100% - 96px), 1200px);
        padding-block: 140px;
    }

    .zbt-solution-archive-page .zbt-page-hero__content h1 {
        font-size: 58px;
        line-height: 76px;
    }

    .zbt-solution-archive-page .zbt-page-hero__content p {
        margin-top: 38px;
        font-size: 24px;
        line-height: 44px;
    }

    .zbt-solution-archive-page__intro-inner {
        inline-size: min(100% - 80px, 1120px);
        padding-block: 88px 96px;
    }

    .zbt-solution-archive-page__intro h2 {
        font-size: 46px;
    }

    .zbt-solution-archive-page__intro-copy {
        margin-top: 38px;
        font-size: 20px;
        line-height: 1.85;
    }
}

/* Reason: 1024px 以下保留足够的卡片可读宽度，避免三列压缩后标题和 CTA 互相挤占。 */
@media (max-width: 64rem) {
    .zbt-solution-archive-page__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 48rem) {
    .zbt-solution-archive-page .zbt-page-hero,
    .zbt-solution-archive-page .zbt-page-hero__canvas {
        min-block-size: 500px;
    }

    .zbt-solution-archive-page .zbt-page-hero__content {
        inline-size: calc(100% - 48px);
        padding-block: 96px;
    }

    .zbt-solution-archive-page .zbt-page-hero__content h1 {
        font-size: 42px;
        line-height: 56px;
        white-space: normal;
    }

    .zbt-solution-archive-page .zbt-page-hero__content p {
        margin-top: 28px;
        font-size: 19px;
        line-height: 34px;
    }

    .zbt-solution-archive-page__intro-inner {
        inline-size: calc(100% - 48px);
        padding-block: 64px 72px;
    }

    .zbt-solution-archive-page__intro h2 {
        font-size: 32px;
        line-height: 1.4;
    }

    .zbt-solution-archive-page__intro-copy {
        margin-top: 28px;
        font-size: 17px;
        line-height: 1.8;
    }

    .zbt-solution-archive-page__grid {
        inline-size: calc(100% - 48px);
        grid-template-columns: 1fr;
        gap: 1px;
        padding-block-end: clamp(56px, 14vw, 72px);
    }

    .zbt-solution-card {
        aspect-ratio: 959 / 715;
    }

    .zbt-solution-card__content {
        padding: 28px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .zbt-solution-card__overlay,
    .zbt-solution-card h3,
    .zbt-solution-card__cta {
        transition: none;
    }
}