/* v13.1 — solution, industry and case hubs/details */
.content-hero::after,
.content-detail-hero::after {
    content: "";
    position: absolute;
    right: clamp(24px, 6vw, 96px);
    bottom: 0;
    z-index: 1;
    width: 1px;
    height: 34%;
    background: linear-gradient(transparent, rgba(0,0,0, .9));
}

.content-hero__inner,
.content-detail-hero__inner { isolation: isolate; }

.content-hero .eyebrow,
.content-detail-hero .eyebrow { color: var(--brand-bright); }

.content-stats { position: relative; z-index: 2; }
.content-stats__grid { box-shadow: 0 24px 60px rgba(0,0,0, .1); }
.content-stat { position: relative; overflow: hidden; }
.content-stat::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 3px;
    background: var(--accent);
    transition: width .35s var(--ease);
}
.content-stat:hover::after { width: 100%; }

.content-card {
    border: 1px solid rgba(255, 255, 255, .08);
    box-shadow: 0 18px 44px rgba(0,0,0, .12);
}
.content-card:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.content-card__body i { color: var(--accent-text); }

.delivery-path { background: linear-gradient(180deg, #fff, var(--surface)); }
.delivery-step { position: relative; background: rgba(255, 255, 255, .82); }

.content-detail--case .breadcrumbs { font-size: 14px; }
.content-detail--case .breadcrumbs a { min-height: 32px; display: inline-flex; align-items: center; }

.detail-nav { box-shadow: 0 12px 34px rgba(0,0,0, .08); }
.detail-nav a { position: relative; }
.detail-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform .25s var(--ease);
}
.detail-nav a:hover::after,
.detail-nav a.is-active::after { transform: scaleX(1); }

.content-overview__grid > div:last-child,
.content-boundary { border-left: 3px solid var(--accent); }
.challenge-card,
.result-card { transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.challenge-card:hover,
.result-card:hover { transform: translateY(-6px); box-shadow: 0 20px 46px rgba(0,0,0, .1); }

.content-hub .resource-empty { grid-column: 1 / -1; }

/* v13.8.4 客户案例分页：固定页头下有稳定锚点，桌面与移动端均不横向溢出。 */
.content-hub[data-async-region="cases"] { scroll-margin-top: 118px; }
.content-hub[data-async-region="cases"] [data-async-focus] { scroll-margin-top: 118px; }
.content-hub[data-async-region="cases"] [data-async-focus]:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; }
.content-hub__count { margin: 26px 0 0; color: var(--muted); font-size: 14px; }
.content-pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 12px 22px;
    margin-top: 44px;
}
.content-pagination__step {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    max-width: 100%;
    padding: 0 20px;
    border: 1px solid var(--line);
    color: var(--ink);
    font-size: 13px;
    font-weight: 700;
    text-decoration: none;
    transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.content-pagination__step:hover { border-color: var(--ink); background: var(--ink); color: #fff; }
.content-pagination__step:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.content-pagination__step.is-disabled { color: var(--muted); opacity: .5; pointer-events: none; }
.content-pagination__info { color: var(--muted); font-size: 13px; }

@media (max-width: 700px) {
    .content-hub[data-async-region="cases"],
    .content-hub[data-async-region="cases"] [data-async-focus] { scroll-margin-top: 84px; }
    .content-pagination { gap: 10px 14px; margin-top: 34px; }
    .content-pagination__step { min-height: 42px; padding: 0 14px; }
    .content-detail--case .breadcrumbs { font-size: 13px; }
}

/* v13.8.1 七大解决方案：与首页轮播建立稳定锚点，JS 关闭时仍完整可读。 */
.solution-directory { padding: 76px 0; background: var(--soft); }
.solution-directory .split-heading { margin-bottom: 30px; }
.solution-directory__nav { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); border: 1px solid var(--line); background: var(--surface); }
.solution-directory__nav a { min-width: 0; padding: 18px 14px; border-right: 1px solid var(--line); color: var(--ink); font-size: 13px; text-align: center; }
.solution-directory__nav a:last-child { border-right: 0; }
.solution-directory__nav a:hover, .solution-directory__nav a:focus-visible { background: var(--ink); color: #fff; }
.solution-directory__nav span { display: block; margin-bottom: 6px; color: var(--accent-text); font-size: 11px; letter-spacing: .12em; }
.solution-directory__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; margin-top: 28px; }
.solution-directory__item { display: grid; grid-template-columns: minmax(220px, 4fr) minmax(0, 5fr); min-height: 270px; overflow: hidden; border: 1px solid var(--line); background: var(--surface); scroll-margin-top: 118px; transition-delay: var(--delay, 0ms); }
.solution-directory__item:target { outline: 3px solid var(--accent); outline-offset: 4px; }
.solution-directory__media { align-self: center; min-height: 0; overflow: hidden; background: var(--ink); }
.solution-directory__media img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.solution-directory__body { display: flex; flex-direction: column; justify-content: center; padding: 30px; }
.solution-directory__body > span { color: var(--accent-text); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.solution-directory__body h3 { margin: 10px 0 12px; color: var(--ink); font-size: clamp(24px, 2vw, 34px); }
.solution-directory__body p { margin: 0; color: var(--muted); line-height: 1.75; }
.solution-directory__actions { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 22px; }
.solution-directory__actions button { padding: 0; border: 0; background: transparent; cursor: pointer; }

@media (max-width: 1100px) {
    .solution-directory__nav { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .solution-directory__nav a { border-bottom: 1px solid var(--line); }
    .solution-directory__grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
    .solution-directory { padding: 54px 0; }
    .solution-directory__nav { display: flex; overflow-x: auto; scroll-snap-type: x proximity; -webkit-overflow-scrolling: touch; }
    .solution-directory__nav a { flex: 0 0 132px; border-bottom: 0; scroll-snap-align: start; }
    .solution-directory__item { grid-template-columns: 1fr; scroll-margin-top: 84px; }
    .solution-directory__media { min-height: 0; }
    .solution-directory__body { padding: 24px; }
}

@media (max-width: 900px) {
    .content-hero::after,
    .content-detail-hero::after { display: none; }
    .detail-nav { scroll-padding-inline: 24px; }
}

@media (max-width: 640px) {
    .content-card { min-height: 430px; }
    .content-overview__grid > div:last-child { padding-left: 20px; }
}

/* v13.7 行业快速选型（仅 /solutions；JS 关闭时全量面板堆叠可读） */
.industry-selector { padding: 72px 0 8px; }
.industry-selector__tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 30px 0 26px; }
.industry-selector__tabs [role="tab"] {
    padding: 10px 20px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    color: var(--text);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
}
.industry-selector__tabs [role="tab"]:hover { border-color: var(--accent); color: var(--accent-text); }
.industry-selector__tabs [role="tab"].is-active { background: var(--ink); border-color: var(--ink); color: #fff; }
.industry-selector__tabs [role="tab"]:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.industry-selector--js .industry-selector__panel { display: none; }
.industry-selector--js .industry-selector__panel.is-active { display: block; }
.industry-selector__intro { margin: 0 0 22px; color: var(--muted); font-size: 15px; }
.industry-selector__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 22px; }
.industry-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; box-shadow: 0 16px 40px rgba(0,0,0, .08); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.industry-card:hover { transform: translateY(-4px); box-shadow: 0 24px 54px rgba(0,0,0, .13); }
.industry-card__media { display: block; background: var(--surface); }
.industry-card__media img { display: block; width: 100%; height: 180px; object-fit: contain; padding: 18px; }
.industry-card__body { display: flex; flex-direction: column; gap: 10px; padding: 20px 22px 24px; }
.industry-card__body h3 { margin: 0; font-size: 18px; }
.industry-card__body h3 a { color: var(--text); text-decoration: none; }
.industry-card__body h3 a:hover { color: var(--accent-text); }
.industry-card__reason { margin: 0; color: var(--text); font-size: 14px; line-height: 1.7; }
.industry-card__meta { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }
.industry-card__meta strong { color: var(--text); }
.industry-card__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px; margin-top: auto; padding-top: 6px; }
.industry-card__actions .text-link { font-size: 12px; }
.industry-selector__empty { padding: 34px; border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 14px; background: var(--surface); }
.industry-selector__empty strong { color: var(--ink); font-size: 20px; }
.industry-selector__empty p { max-width: 760px; margin: 10px 0 22px; color: var(--muted); line-height: 1.8; }

@media (max-width: 900px) {
    .industry-selector { padding: 54px 0 4px; }
    .industry-selector__tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 6px; -webkit-overflow-scrolling: touch; }
    .industry-selector__tabs [role="tab"] { flex: 0 0 auto; }
}

@media (max-width: 640px) {
    .industry-selector__grid { grid-template-columns: 1fr; }
    .industry-card__media img { height: 160px; }
}

/* v13.11: component colors and keyboard states. */
.solution-directory__actions .text-link,
.content-hub[data-async-region="cases"] .split-heading .text-link { color: var(--accent-text); }
.content-hero--solution + .content-stats { background: var(--accent); color: #fff; }
.content-hero--solution + .content-stats .content-stat > * { color: #fff; }