/* ============================================================
   客户案例页样式
   ============================================================ */

.case-detail-block { padding: 34px 0 42px; border-top: 1px solid var(--line); }
.case-detail-block:first-of-type { border-top: none; padding-top: 10px; }
.case-detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 34px; align-items: start; }
.cd-main { min-width: 0; }
.cd-main h2 { font-size: 23px; font-weight: 800; margin: 4px 0 10px; line-height: 1.4; }
.cd-content { margin-top: 14px; font-size: 15px; color: var(--ink-2); }
.cd-content h2 { font-size: 18.5px; font-weight: 700; margin: 22px 0 8px; padding-left: 12px; border-left: 3px solid var(--orange); }
.cd-content h3 { font-size: 16px; font-weight: 700; margin: 18px 0 7px; }
.cd-content p { margin-bottom: 12px; }
.cd-content ul, .cd-content ol { padding-left: 22px; margin: 8px 0 12px; }
.cd-content li { margin: 5px 0; }
.cd-content table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14px; }
.cd-content th, .cd-content td { border: 1px solid var(--line); padding: 8px 11px; text-align: left; }
.cd-content th { background: var(--bg-soft); }
.cd-side { display: flex; flex-direction: column; gap: 14px; }
.cd-side > img { width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--line); aspect-ratio: 16 / 10; object-fit: cover; }
.cd-metrics {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}
.cd-metrics h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.metric-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
  color: var(--ink-soft);
}
.metric-row:last-child { border-bottom: none; }
.metric-row b { font-family: var(--mono); font-size: 17px; font-weight: 700; color: var(--orange); white-space: nowrap; }

@media (max-width: 1080px) {
  .case-detail-grid { grid-template-columns: 1fr; }
  .cd-side { max-width: 420px; }
}
@media (max-width: 640px) {
  .cd-main h2 { font-size: 20px; }
  .cd-content { font-size: 14.5px; }
}

/* ============ 案例中心：分类入口 ============ */
.case-cat-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.case-cat-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 22px 20px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.case-cat-card:hover {
  transform: translateY(-3px);
  border-color: var(--orange-line);
  box-shadow: var(--shadow-hover);
}
.case-cat-card b { font-size: 19px; font-weight: 800; letter-spacing: 0.01em; }
.case-cat-k { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; color: var(--orange); }
.case-cat-d { font-size: 13.5px; line-height: 1.7; color: var(--ink-soft); }
.case-cat-n { margin-top: 2px; font-family: var(--mono); font-size: 12px; color: var(--ink-soft); }
.case-cat-go { margin-top: auto; padding-top: 8px; font-size: 13px; font-weight: 600; color: var(--orange); }

/* ============ 案例分类切换 ============ */
.case-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.case-tabs a {
  font-size: 13px;
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  background: var(--card);
  color: var(--ink-soft);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.case-tabs a:hover { border-color: var(--orange); color: var(--orange); }
.case-tabs a.on {
  border-color: transparent;
  background: linear-gradient(135deg, var(--orange), var(--orange-2));
  color: #fff;
}
.case-tabs i { font-style: normal; font-family: var(--mono); font-size: 11px; margin-left: 2px; opacity: 0.85; }

/* ============ 案例卡片 ============ */
.case-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.case-tile {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.case-tile:hover { transform: translateY(-4px); border-color: var(--orange-line); box-shadow: var(--shadow-hover); }
.case-tile-media { overflow: hidden; background: var(--bg-soft); }
.case-tile-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 0.35s; }
.case-tile:hover .case-tile-media img { transform: scale(1.03); }
.case-tile-body { display: flex; flex-direction: column; gap: 7px; padding: 18px 20px 20px; }
.case-tile-k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: var(--orange); }
.case-tile-body h3 { font-size: 18px; font-weight: 800; line-height: 1.45; }
.case-tile-sum { font-size: 13.5px; line-height: 1.7; color: var(--ink-soft); }
.case-tile-kpi {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 2px;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}
.case-tile-kpi li { display: flex; flex-direction: column; gap: 1px; font-size: 12px; color: var(--ink-soft); }
.case-tile-kpi b { font-family: var(--mono); font-size: 15px; font-weight: 700; color: var(--orange); }
.case-tile-go { margin-top: auto; padding-top: 4px; font-size: 13px; font-weight: 600; color: var(--orange); }

@media (max-width: 1080px) {
  .case-cat-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .case-cards { grid-template-columns: 1fr; }
  .case-tile-body h3 { font-size: 16.5px; }
}

/* 案例卡片标题（分类页用一级内容标题） */
.case-tile-body h2,
.case-tile-body h3 { font-size: 18px; font-weight: 800; line-height: 1.45; }

/* 案例详情侧栏标题与卡片保持一致 */
.cd-side .side-card h2 {
  font-size: 16px;
  font-weight: 700;
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--orange), var(--orange-2)) 1;
}
.cd-metrics h2 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }

@media (max-width: 720px) {
  .case-tile-body h2 { font-size: 16.5px; }
}