chore: import upstream snapshot with attribution

2026-07-13 13:09:51 +08:00
commit 0232b4e2bb
3528 changed files with 291404 additions and 0 deletions
@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
+ * SPDX-License-Identifier: MIT
+ */
+
+.background2-canvas {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
+  pointer-events: none;
+  z-index: -1;
+}
+
+/* Ensure smooth rendering */
+.background2-canvas {
+  image-rendering: -webkit-optimize-contrast;
+  image-rendering: -moz-crisp-edges;
+  image-rendering: crisp-edges;
+  image-rendering: pixelated;
+}
+
+/* Dark mode specific adjustments */
+[data-theme='dark'] .background2-canvas {
+  opacity: 0.9;
+}
+
+/* Light mode specific adjustments */
+[data-theme='light'] .background2-canvas {
+  opacity: 0.8;
+}
+
+/* Animation performance optimization */
+.background2-canvas {
+  will-change: transform;
+  transform: translateZ(0);
+  backface-visibility: hidden;
+}