feat(architecture): implement consultant review r4 (stream separation, nav upgrade, internal cta, schema & anchor fixes)

src/styles/global.css

@@ -1539,3 +1539,111 @@ a.category-card:hover .art img {
   .search-hint, .search-key { display: none; }
   .author-card { flex-direction: column; align-items: flex-start; }
 }
+
+/* ---------- Creative Lab Strip (GPU & Multimodal Lab) ---------- */
+.creative-lab-strip {
+  margin-top: 3.5rem;
+  padding: 1.75rem;
+  background: var(--surface);
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+}
+.lab-strip-header {
+  margin-bottom: 1.5rem;
+}
+.lab-strip-title-wrap {
+  display: flex;
+  align-items: center;
+  gap: 0.65rem;
+  margin-bottom: 0.4rem;
+}
+.lab-strip-badge {
+  font-family: var(--font-mono);
+  font-size: 0.75rem;
+  font-weight: 600;
+  color: #ff7ab6;
+  background: rgba(255, 122, 182, 0.12);
+  border: 1px solid rgba(255, 122, 182, 0.3);
+  border-radius: 9999px;
+  padding: 0.15rem 0.6rem;
+  letter-spacing: 0.04em;
+  text-transform: uppercase;
+}
+.lab-strip-header h2 {
+  margin: 0;
+  font-size: 1.35rem;
+}
+.lab-strip-sub {
+  color: var(--muted);
+  font-size: 0.95rem;
+  margin: 0;
+  max-width: 46rem;
+  line-height: 1.5;
+}
+.lab-cards-grid {
+  display: grid;
+  grid-template-columns: repeat(3, 1fr);
+  gap: 1.25rem;
+  margin-bottom: 1.25rem;
+}
+.lab-card {
+  display: flex;
+  flex-direction: column;
+  background: var(--surface-subtle, rgba(255, 255, 255, 0.02));
+  border: 1px solid var(--border);
+  border-radius: var(--radius);
+  overflow: hidden;
+  text-decoration: none;
+  color: inherit;
+  transition: transform 0.15s ease, border-color 0.15s ease;
+}
+.lab-card:hover {
+  transform: translateY(-2px);
+  border-color: var(--brand);
+}
+.lab-card-thumb {
+  width: 100%;
+  aspect-ratio: 1200 / 630;
+  overflow: hidden;
+  background: var(--surface);
+  line-height: 0;
+}
+.lab-card-thumb img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
+  display: block;
+}
+.lab-card-body {
+  padding: 1rem;
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+}
+.lab-card-tag {
+  font-family: var(--font-mono);
+  font-size: 0.75rem;
+  color: var(--faint);
+  margin-bottom: 0.4rem;
+}
+.lab-card-body h3 {
+  font-size: 1rem;
+  line-height: 1.35;
+  margin: 0 0 0.5rem;
+  color: var(--ink);
+}
+.lab-card-body p {
+  font-size: 0.85rem;
+  line-height: 1.45;
+  color: var(--muted);
+  margin: 0;
+  display: -webkit-box;
+  -webkit-line-clamp: 2;
+  -webkit-box-orient: vertical;
+  overflow: hidden;
+}
+@media (max-width: 768px) {
+  .lab-cards-grid {
+    grid-template-columns: 1fr;
+  }
+}