style(cases): 优化案例卡片内档案与指标项的三列网格与宋体排版

public/assets/addons/official/css/modern_nhc.css

@@ -959,6 +959,104 @@ img {
   color: var(--text-secondary);
 }
 
+/* 案例卡片内档案视窗与指标排版 */
+.nhc-case-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 14px;
+}
+
+.nhc-case-tag {
+  font-size: 12px;
+  font-weight: 600;
+  color: var(--primary);
+  background: #EFF6FF;
+  border: 1px solid #DBEAFE;
+  padding: 3px 10px;
+  border-radius: var(--radius-sm);
+}
+
+.nhc-case-status {
+  font-size: 11px;
+  color: #B91C1C;
+  background: #FEF2F2;
+  border: 1px solid #FECACA;
+  padding: 2px 8px;
+  border-radius: var(--radius-sm);
+  font-family: var(--font-serif);
+  letter-spacing: 1px;
+}
+
+.nhc-case-dossier {
+  background: var(--bg-secondary);
+  border-radius: var(--radius-sm);
+  border-left: 3px solid var(--primary);
+  padding: 16px 18px;
+  margin-bottom: 22px;
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+}
+
+.nhc-case-dossier-row {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.nhc-dossier-label {
+  font-size: 11px;
+  font-weight: 700;
+  color: var(--text-muted);
+  letter-spacing: 1.5px;
+  text-transform: uppercase;
+}
+
+.nhc-dossier-text {
+  font-size: 13px;
+  color: var(--text-secondary);
+  line-height: 1.6;
+  margin: 0;
+}
+
+.nhc-case-card .nhc-case-metrics {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 12px;
+  padding-top: 18px;
+  border-top: 1px solid var(--border-color);
+  text-align: center;
+}
+
+.nhc-case-metric-item {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
+.nhc-case-metric-val {
+  font-family: var(--font-serif);
+  font-size: 26px;
+  font-weight: 700;
+  color: var(--primary);
+  line-height: 1.2;
+}
+
+.nhc-case-metric-val sub {
+  font-size: 14px;
+  font-weight: 600;
+  margin-left: 1px;
+  bottom: 0;
+}
+
+.nhc-case-metric-name {
+  font-size: 12px;
+  color: var(--text-muted);
+  margin-top: 4px;
+  line-height: 1.4;
+}
+
 .nhc-case-metrics-bar {
   background: var(--bg-secondary);
   border: 1px solid var(--border-color);