行情区：默认200根、增量刷新、振幅与TV式现价倒计时

Co-authored-by: Cursor <cursoragent@cursor.com>

manual_trading_hub/static/app.css

@@ -2051,10 +2051,53 @@ body.login-page {
   margin-right: 4px;
 }
 
+.market-price-tag {
+  position: absolute;
+  right: 52px;
+  z-index: 6;
+  pointer-events: none;
+  padding: 4px 8px;
+  border-radius: 4px;
+  font-family: var(--font);
+  font-size: 0.75rem;
+  font-weight: 600;
+  line-height: 1.2;
+  text-align: center;
+  transform: translateY(-50%);
+  min-width: 76px;
+  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.35);
+}
+
+.market-price-tag.hidden {
+  display: none;
+}
+
+.market-price-tag.is-up {
+  background: #00ff9d;
+  color: #0a1018;
+}
+
+.market-price-tag.is-down {
+  background: #ff4d6d;
+  color: #fff;
+}
+
+.market-price-tag-value {
+  font-variant-numeric: tabular-nums;
+}
+
+.market-price-tag-time {
+  margin-top: 2px;
+  font-size: 0.68rem;
+  font-weight: 500;
+  font-variant-numeric: tabular-nums;
+  opacity: 0.95;
+}
+
 .market-price-auto {
   position: absolute;
-  right: 6px;
-  top: 42%;
+  right: 8px;
+  bottom: 10px;
   z-index: 5;
   padding: 4px 8px;
   font-size: 0.68rem;