feat: complete huihui square avatar workflows

digital-avatar-app/src/styles/global.css

@@ -0,0 +1,58 @@
+/* 全局样式 - 会会数字分身 */
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+:root {
+  --primary-color: #F97316;
+  --primary-light: #FFF0E6;
+  --text-primary: #18191C;
+  --text-secondary: #9398AE;
+  --bg-primary: #F8F9FA;
+  --bg-white: #FFFFFF;
+  --border-color: #EDEEF1;
+  --success-color: #22C55E;
+  --warning-color: #F59E0B;
+}
+
+body {
+  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
+  background: var(--bg-primary);
+  color: var(--text-primary);
+  -webkit-font-smoothing: antialiased;
+}
+
+/* 滚动条样式 */
+::-webkit-scrollbar {
+  width: 6px;
+}
+
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+
+::-webkit-scrollbar-thumb {
+  background: #D1D5DB;
+  border-radius: 3px;
+}
+
+/* 通用工具类 */
+.flex-center {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+.flex-between {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+}
+
+.text-ellipsis {
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}