feat(rigor): 落实客户视角深度优化：增加案例微缩系统界面视窗、权威资质合规编号与演示沙箱极速承诺

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

@@ -1115,6 +1115,97 @@ img {
   margin-top: 4px;
 }
 
+/* 微缩系统功能界面视窗与联合终验背书 (High-Fidelity Interface Window) */
+.nhc-case-preview-window {
+  margin: 16px 0;
+  background: #F8FAFC;
+  border: 1px solid var(--border-color);
+  border-radius: var(--radius-sm);
+  overflow: hidden;
+  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
+}
+
+.nhc-window-bar {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  padding: 6px 12px;
+  background: #F1F5F9;
+  border-bottom: 1px solid var(--border-color);
+}
+
+.nhc-window-dot {
+  width: 6px;
+  height: 6px;
+  border-radius: 50%;
+  display: inline-block;
+}
+
+.nhc-window-dot:nth-child(1) { background: #F87171; }
+.nhc-window-dot:nth-child(2) { background: #FBBF24; }
+.nhc-window-dot:nth-child(3) { background: #34D399; }
+
+.nhc-window-title {
+  font-size: 11px;
+  color: var(--text-muted);
+  margin-left: 6px;
+  font-weight: 500;
+  letter-spacing: 0.5px;
+}
+
+.nhc-window-screen {
+  padding: 10px 14px;
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  flex-wrap: wrap;
+  gap: 8px;
+  background: #FFFFFF;
+}
+
+.nhc-window-module-tag {
+  display: inline-flex;
+  align-items: center;
+  padding: 2px 8px;
+  background: var(--primary-light);
+  color: var(--primary);
+  font-size: 11px;
+  font-weight: 600;
+  border-radius: 2px;
+}
+
+.nhc-window-stats-row {
+  display: flex;
+  gap: 12px;
+  font-size: 11px;
+  color: var(--text-secondary);
+}
+
+.nhc-window-stats-row strong {
+  color: var(--primary);
+}
+
+.nhc-case-proof-bar {
+  margin-top: 14px;
+  padding: 8px 12px;
+  background: #F0FDF4;
+  border: 1px solid #BBF7D0;
+  border-radius: 4px;
+  font-size: 11px;
+  color: #166534;
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  line-height: 1.4;
+}
+
+.nhc-proof-icon {
+  flex-shrink: 0;
+  display: inline-flex;
+  align-items: center;
+  color: #15803D;
+}
+
 /* 标准化交付流程 (Process Section) */
 .nhc-process {
   padding: 96px 0;