feat(client): 前端场景和HTTP工具优化

client/js/scenes/AICreateScene.js

@@ -253,16 +253,21 @@ export default class AICreateScene extends BaseScene {
 
     // 关键词输入
     let currentY = tagEndY + 25;
+    ctx.textAlign = 'left';
+    ctx.fillStyle = 'rgba(255,255,255,0.8)';
+    ctx.font = '13px sans-serif';
     ctx.fillText('故事关键词：', padding, currentY);
     this.renderInputBox(ctx, padding, currentY + 15, inputWidth, 45, this.createForm.keywords || '例如：霸总、契约婚姻、追妻火葬场', 'keywords');
 
     // 主角设定
     currentY += 80;
+    ctx.textAlign = 'left';
     ctx.fillText('主角设定：', padding, currentY);
     this.renderInputBox(ctx, padding, currentY + 15, inputWidth, 45, this.createForm.protagonist || '例如：独立女性设计师', 'protagonist');
 
     // 核心冲突
     currentY += 80;
+    ctx.textAlign = 'left';
     ctx.fillText('核心冲突：', padding, currentY);
     this.renderInputBox(ctx, padding, currentY + 15, inputWidth, 45, this.createForm.conflict || '例如：假结婚变真爱', 'conflict');