decompose structure

src/styles/detail/overview.css

@@ -0,0 +1,81 @@
+.detail-overview {
+  display: grid;
+  gap: 18px;
+}
+
+.summary-grid {
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  gap: 12px;
+}
+
+.summary-card {
+  min-height: 149px;
+  padding: 18px;
+  border: 1px solid var(--line);
+  border-radius: var(--radius);
+  background: rgba(10, 13, 18, 0.62);
+}
+
+.summary-card span {
+  display: block;
+  color: var(--muted);
+  font-size: 0.78rem;
+  text-transform: uppercase;
+  letter-spacing: 0.12em;
+}
+
+.summary-card strong {
+  display: block;
+  margin-top: 18px;
+  font-size: clamp(1.5rem, 3vw, 2.3rem);
+  line-height: 1.1;
+}
+
+.detail-action-panel {
+  padding: 18px;
+  border: 1px solid var(--line);
+  border-radius: var(--radius);
+  background: rgba(10, 13, 18, 0.58);
+}
+
+.detail-action-grid {
+  display: grid;
+  grid-template-columns: repeat(4, minmax(0, 1fr));
+  gap: 10px;
+  margin-top: 16px;
+}
+
+.detail-action-grid button {
+  min-height: 92px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-direction: column;
+  gap: 10px;
+  border: 1px solid rgba(148, 163, 184, 0.16);
+  border-radius: var(--radius);
+  background: rgba(2, 6, 23, 0.28);
+  color: #cbd5e1;
+  cursor: pointer;
+}
+
+.detail-action-grid button:hover {
+  border-color: var(--line-strong);
+  background: rgba(201, 122, 61, 0.12);
+  color: var(--text);
+}
+
+@media (max-width: 1200px) {
+  .summary-grid,
+  .detail-action-grid {
+    grid-template-columns: repeat(2, minmax(0, 1fr));
+  }
+}
+
+@media (max-width: 680px) {
+  .summary-grid,
+  .detail-action-grid {
+    grid-template-columns: 1fr;
+  }
+}