/* Displaysell Case Manager — front-end styles */
.ds-case-center,
.ds-case-single,
.ds-case-archive {
  --ds-blue: #0068a7;
  --ds-blue-dark: #004f80;
  --ds-blue-soft: #eaf4fb;
  --ds-ink: #14212b;
  --ds-body: #46555f;
  --ds-muted: #7b8b96;
  --ds-line: #e1e8ee;
  --ds-soft: #f5f8fb;
  --wp--style--root--padding-top: 0px;
  --wp--style--root--padding-bottom: 0px;
  --wp--style--root--padding-left: 0px;
  --wp--style--root--padding-right: 0px;
  background: #fff;
  color: var(--ds-body);
}

.ds-case-center .wp-site-blocks,
.ds-case-single .wp-site-blocks,
.ds-case-archive .wp-site-blocks {
  padding-top: 0;
  padding-bottom: 0;
}

.ds-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- hero with media + metrics (case center) ---------- */
.ds-hero--media { padding: 30px 0 54px; }

.ds-hero__media-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  gap: clamp(32px, 4vw, 60px);
  align-items: center;
}

.ds-hero__media {
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  background: var(--ds-soft);
  box-shadow: 0 18px 44px rgba(16, 48, 71, .14);
  border: 1px solid rgba(16, 48, 71, .08);
}

.ds-hero__media img {
  display: block;
  width: 100%;
  height: clamp(250px, 25vw, 380px);
  object-fit: cover;
  object-position: center;
}
.ds-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}
/* 注意：详情页 single-case.php 已占用 .ds-metrics 类名，
   案例中心的数据条使用 .ds-metbar* 避免冲突。 */
.ds-metbar {
  background: #fff;
  border-top: 3px solid var(--ds-blue-soft);
  border-bottom: 1px solid var(--ds-line);
}
.ds-metbar__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.ds-metbar__item {
  text-align: center;
  padding: 34px 16px 30px;
  border-left: 1px solid var(--ds-line);
}
.ds-metbar__item:first-child { border-left: 0; }
.ds-metbar__item strong {
  display: block;
  font-size: clamp(30px, 3.2vw, 42px);
  font-weight: 700;
  color: var(--ds-blue);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.ds-metbar__item span {
  display: block;
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--ds-muted);
}

/* ---------- typography ---------- */
.ds-case-center h1,
.ds-case-single h1,
.ds-case-archive h1 {
  font-size: clamp(30px, 3.4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--ds-ink);
  margin: 0 0 16px;
  max-width: 20ch;
}

.ds-case-center h2,
.ds-case-single h2,
.ds-case-archive h2 {
  font-size: clamp(22px, 2.2vw, 30px);
  line-height: 1.22;
  color: var(--ds-ink);
  margin: 0;
}

.ds-lead {
  font-size: 17px;
  line-height: 1.65;
  color: var(--ds-body);
  max-width: 62ch;
  margin: 0;
}

.ds-eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ds-blue);
  margin: 0 0 12px;
}

.ds-text-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ds-blue);
  text-decoration: none;
}

.ds-text-link i { font-style: normal; transition: transform .2s ease; }
.ds-text-link:hover i { transform: translateX(3px); }

/* ---------- buttons ---------- */
.ds-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 6px;
  background: var(--ds-blue);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid var(--ds-blue);
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

.ds-btn:hover { background: var(--ds-blue-dark); border-color: var(--ds-blue-dark); color: #fff; }

.ds-btn--ghost {
  background: transparent;
  color: var(--ds-ink);
  border-color: #c8d4dd;
}
.ds-btn--ghost:hover { background: #fff; color: var(--ds-blue); border-color: var(--ds-blue); }

.ds-btn--light { background: #fff; color: var(--ds-blue-dark); border-color: #fff; }
.ds-btn--light:hover { background: #eaf4fb; color: var(--ds-blue-dark); border-color: #eaf4fb; }

.ds-btn--outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.ds-btn--outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; color: #fff; }

/* ---------- hero ---------- */
.ds-hero {
  background:
    radial-gradient(900px 320px at 85% -10%, rgba(0,104,167,.10), transparent 70%),
    linear-gradient(180deg, #f4f9fc 0%, #ffffff 100%);
  border-bottom: 1px solid var(--ds-line);
  padding: 34px 0 56px;
}

.ds-hero--compact { padding-bottom: 34px; }

.ds-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--ds-muted);
  margin-bottom: 28px;
}
.ds-breadcrumb a { color: var(--ds-muted); text-decoration: none; }
.ds-breadcrumb a:hover { color: var(--ds-blue); }
.ds-breadcrumb span { color: #b9c5ce; }
.ds-breadcrumb span:last-child { color: var(--ds-body); }

.ds-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
  gap: 48px;
  align-items: end;
}

.ds-hero__copy--wide { max-width: 780px; }

.ds-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.ds-hero__stats {
  display: grid;
  gap: 1px;
  background: var(--ds-line);
  border: 1px solid var(--ds-line);
  border-radius: 10px;
  overflow: hidden;
}
.ds-hero__stats > div {
  background: #fff;
  padding: 16px 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}
.ds-hero__stats strong {
  font-size: 26px;
  color: var(--ds-blue);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.ds-hero__stats span { font-size: 13px; color: var(--ds-muted); text-align: right; }

/* ---------- sections ---------- */
.ds-section { padding: 64px 0; }
.ds-section--soft { background: var(--ds-soft); border-top: 1px solid var(--ds-line); border-bottom: 1px solid var(--ds-line); }

.ds-section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 32px;
}
.ds-section__desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ds-body);
  max-width: 44ch;
  margin: 0;
}

/* ---------- industry cards ---------- */
.ds-industry-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 16px;
}

.ds-industry-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px;
  background: #fff;
  border: 1px solid var(--ds-line);
  border-radius: 10px;
  text-decoration: none;
  position: relative;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
.ds-industry-card:hover {
  border-color: var(--ds-blue);
  box-shadow: 0 10px 28px rgba(16,42,64,.08);
  transform: translateY(-2px);
}

.ds-industry-card__icon {
  flex: 0 0 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--ds-blue-soft);
  color: var(--ds-blue);
}
.ds-industry-card__icon svg { width: 26px; height: 26px; }

.ds-industry-card__body { display: flex; flex-direction: column; gap: 6px; padding-right: 58px; }
.ds-industry-card__body strong { font-size: 16px; color: var(--ds-ink); }
.ds-industry-card__body small { font-size: 13px; line-height: 1.55; color: var(--ds-body); }

.ds-industry-card__count {
  position: absolute;
  top: 22px;
  right: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ds-blue);
  background: var(--ds-blue-soft);
  border-radius: 999px;
  padding: 3px 9px;
}
.ds-industry-card__count em { font-style: normal; font-weight: 400; color: var(--ds-muted); font-size: 11px; }

/* ---------- filters ---------- */
.ds-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.ds-filters button {
  appearance: none;
  border: 1px solid var(--ds-line);
  background: #fff;
  color: var(--ds-body);
  font: inherit;
  font-size: 14px;
  padding: 9px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all .18s ease;
}
.ds-filters button:hover { border-color: var(--ds-blue); color: var(--ds-blue); }
.ds-filters button.is-active { background: var(--ds-blue); border-color: var(--ds-blue); color: #fff; }

/* ---------- case cards ---------- */
.ds-case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 26px;
}
.ds-case-grid--3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

.ds-case-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--ds-line);
  border-radius: 12px;
  overflow: hidden;
  text-decoration: none;
  transition: border-color .22s ease, box-shadow .22s ease, transform .22s ease;
}
.ds-case-card:hover {
  border-color: #b9d2e3;
  box-shadow: 0 16px 36px rgba(16,42,64,.10);
  transform: translateY(-3px);
}

.ds-case-card__media {
  position: relative;
  aspect-ratio: 16 / 10;
  background: #eef3f7;
  overflow: hidden;
}
.ds-case-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .4s ease;
}
.ds-case-card:hover .ds-case-card__media img { transform: scale(1.03); }

.ds-case-card__tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(255,255,255,.94);
  color: var(--ds-blue-dark);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.ds-case-card__placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #0b3352 0%, #0068a7 100%);
}
.ds-case-card__placeholder span {
  width: 58%;
  aspect-ratio: 16/9;
  border: 2px solid rgba(255,255,255,.55);
  border-radius: 6px;
  position: relative;
}
.ds-case-card__placeholder span::after {
  content: "";
  position: absolute;
  inset: auto 12% 12% 12%;
  height: 3px;
  background: rgba(255,255,255,.5);
  border-radius: 2px;
}

.ds-case-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.ds-case-card__body h3 {
  font-size: 18px;
  line-height: 1.38;
  color: var(--ds-ink);
  margin: 0 0 8px;
}
.ds-case-card__body p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ds-body);
  margin: 0 0 16px;
}

.ds-case-card__specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  padding: 12px 0;
  border-top: 1px solid var(--ds-line);
  margin-bottom: 16px;
  margin-top: auto;
}
.ds-case-card__specs span { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.ds-case-card__specs em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ds-muted);
}
.ds-case-card__specs strong {
  font-size: 13px;
  font-weight: 600;
  color: var(--ds-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- term switch ---------- */
.ds-term-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.ds-term-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--ds-line);
  background: #fff;
  color: var(--ds-body);
  font-size: 13px;
  padding: 7px 14px;
  border-radius: 999px;
  text-decoration: none;
  transition: all .18s ease;
}
.ds-term-chip em {
  font-style: normal;
  font-size: 11px;
  color: var(--ds-muted);
}
.ds-term-chip:hover { border-color: var(--ds-blue); color: var(--ds-blue); }
.ds-term-chip.is-active { background: var(--ds-blue); border-color: var(--ds-blue); color: #fff; }
.ds-term-chip.is-active em { color: rgba(255,255,255,.75); }

/* ---------- detail hero ---------- */
.ds-hero--detail { padding-bottom: 48px; }

.ds-detail-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: 52px;
  align-items: center;
}
.ds-detail-hero__copy h1 { max-width: 22ch; }

.ds-detail-hero__media {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--ds-line);
  background: #eef3f7;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ds-detail-hero__media img { width: 100%; height: 100%; object-fit: cover; display: block; }

.ds-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.ds-chips span {
  font-size: 12px;
  font-weight: 500;
  color: var(--ds-blue-dark);
  background: var(--ds-blue-soft);
  border: 1px solid #d3e6f3;
  padding: 6px 12px;
  border-radius: 999px;
}

/* ---------- spec strip ---------- */
.ds-spec-strip {
  background: #0e2a3d;
  color: #fff;
}
.ds-spec-strip__grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  background: rgba(255,255,255,.12);
}
.ds-spec {
  background: #0e2a3d;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ds-spec em {
  font-style: normal;
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
}
.ds-spec strong { font-size: 15px; font-weight: 500; color: #fff; }

/* ---------- article ---------- */
.ds-article-layout {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  gap: 56px;
  align-items: start;
}

.ds-article-nav {
  position: sticky;
  top: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 20px;
  border-right: 1px solid var(--ds-line);
}
.ds-article-nav strong {
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ds-muted);
  margin-bottom: 4px;
}
.ds-article-nav a {
  font-size: 14px;
  color: var(--ds-body);
  text-decoration: none;
  padding: 4px 0;
}
.ds-article-nav a:hover { color: var(--ds-blue); }
.ds-article-nav__cta {
  margin-top: 14px;
  font-weight: 600;
  color: var(--ds-blue) !important;
}

.ds-article { max-width: 760px; }
.ds-article section + section { margin-top: 52px; padding-top: 48px; border-top: 1px solid var(--ds-line); }
.ds-article h2 { margin-bottom: 16px; }
.ds-article p { font-size: 16px; line-height: 1.75; color: var(--ds-body); margin: 0 0 16px; }
.ds-article ul { padding-left: 22px; margin: 0 0 18px; }
.ds-article li { font-size: 16px; line-height: 1.7; color: var(--ds-body); margin-bottom: 8px; }

.ds-callout {
  margin: 24px 0 0;
  padding: 18px 20px;
  background: #f2f7fb;
  border-left: 3px solid var(--ds-blue);
  border-radius: 0 8px 8px 0;
}
.ds-callout strong {
  display: block;
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ds-blue);
  margin-bottom: 6px;
}
.ds-callout p { margin: 0; font-size: 15px; }
.ds-callout--green { background: #eef8f3; border-left-color: #1d9e75; }
.ds-callout--green strong { color: #0f6e56; }

.ds-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 4px;
}
.ds-metrics > div {
  background: #fff;
  border: 1px solid var(--ds-line);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ds-metrics strong { font-size: 22px; font-weight: 600; color: var(--ds-blue); letter-spacing: -0.02em; }
.ds-metrics span { font-size: 12.5px; line-height: 1.45; color: var(--ds-muted); }

/* ---------- related products ---------- */
.ds-product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 18px;
}
.ds-product-card {
  background: #fff;
  border: 1px solid var(--ds-line);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.ds-product-card:hover { border-color: #b9d2e3; box-shadow: 0 10px 26px rgba(16,42,64,.08); }
.ds-product-card__media { aspect-ratio: 4/3; background: #f2f5f8; }
.ds-product-card__media img { width: 100%; height: 100%; object-fit: contain; display: block; }
.ds-product-card h3 { font-size: 14px; line-height: 1.45; color: var(--ds-ink); margin: 14px 16px 6px; font-weight: 500; }
.ds-product-card .ds-text-link { margin: 0 16px 16px; font-size: 13px; }

/* ---------- CTA ---------- */
.ds-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  background: linear-gradient(120deg, #0b3352 0%, #0068a7 100%);
  border-radius: 14px;
  padding: 40px 44px;
  color: #fff;
}
.ds-cta h2 { color: #fff; font-size: clamp(22px, 2.2vw, 30px); margin: 0 0 10px; }
.ds-cta p { color: rgba(255,255,255,.82); font-size: 15px; line-height: 1.6; margin: 0; max-width: 56ch; }
.ds-cta__actions { display: flex; gap: 12px; flex-wrap: wrap; flex: 0 0 auto; }

/* ---------- empty / pagination ---------- */
.ds-empty-state {
  text-align: center;
  padding: 64px 24px;
  background: var(--ds-soft);
  border: 1px dashed #cbd8e2;
  border-radius: 12px;
}
.ds-empty-state h2 { margin-bottom: 10px; }
.ds-empty-state p { max-width: 52ch; margin: 0 auto 24px; font-size: 15px; line-height: 1.6; }
.ds-empty-state .ds-hero__actions { justify-content: center; margin-top: 0; }

.ds-empty { color: var(--ds-muted); font-size: 15px; grid-column: 1 / -1; }

.ds-pagination { margin-top: 36px; display: flex; gap: 8px; flex-wrap: wrap; }
.ds-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--ds-line);
  border-radius: 6px;
  color: var(--ds-body);
  text-decoration: none;
  font-size: 14px;
}
.ds-pagination .page-numbers.current { background: var(--ds-blue); border-color: var(--ds-blue); color: #fff; }

/* ---------- responsive ---------- */
@media (max-width: 1024px) {
  .ds-hero__grid { grid-template-columns: 1fr; gap: 32px; align-items: start; }
  .ds-hero__media-grid { grid-template-columns: 1fr; gap: 30px; }
  .ds-hero__media img { height: clamp(220px, 38vw, 340px); }
  .ds-hero__stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ds-hero__stats > div { flex-direction: column; align-items: flex-start; }
  .ds-hero__stats span { text-align: left; }
  .ds-metbar__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ds-metbar__item:nth-child(odd) { border-left: 0; }
  .ds-metbar__item:nth-child(n+3) { border-top: 1px solid var(--ds-line); }
  .ds-detail-hero { grid-template-columns: 1fr; gap: 32px; }
  .ds-spec-strip__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ds-article-layout { grid-template-columns: 1fr; gap: 32px; }
  .ds-article-nav {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    border-right: 0;
    border-bottom: 1px solid var(--ds-line);
    padding: 0 0 16px;
  }
  .ds-article-nav strong { width: 100%; margin: 0; }
  .ds-article-nav__cta { margin-top: 0; }
  .ds-cta { flex-direction: column; align-items: flex-start; gap: 24px; padding: 34px; }
}

@media (max-width: 760px) {
  .ds-section { padding: 44px 0; }
  .ds-hero { padding: 24px 0 40px; }
  .ds-hero__stats { grid-template-columns: 1fr; }
  .ds-hero__stats > div { flex-direction: row; align-items: baseline; }
  .ds-hero__stats span { text-align: right; }
  .ds-hero__media img { height: 200px; }
  .ds-metbar__grid { grid-template-columns: 1fr 1fr; }
  .ds-metbar__item { padding: 22px 10px 20px; }
  .ds-metbar__item:nth-child(n+3) { border-top: 1px solid var(--ds-line); }
  .ds-metbar__item:nth-child(3) { border-left: 0; }
  .ds-section__head { flex-direction: column; align-items: flex-start; gap: 14px; }
  .ds-case-grid, .ds-case-grid--3 { grid-template-columns: 1fr; }
  .ds-spec-strip__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .ds-metrics { grid-template-columns: 1fr; }
  .ds-case-card__specs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .ds-cta { padding: 28px 24px; border-radius: 10px; }
  .ds-cta__actions { width: 100%; }
  .ds-cta__actions .ds-btn { flex: 1 1 auto; }
}