搜索功能增强 + 设置页自动提现 + 部署规则

## 小程序
1. 搜索页面：添加热门章节推荐
2. 我的页面：点击ID可复制
3. 设置页面：添加自动提现开关

## 后台
1. 新增热门章节API (/api/book/hot)
2. 章节保存时自动去掉Markdown标题

## 规则
1. .cursorrules添加完整部署流程

miniprogram/pages/settings/settings.wxss

@@ -44,6 +44,37 @@
 }
 .get-phone-btn::after { border: none; }
 
+/* 自动提现卡片 */
+.auto-withdraw-card { margin-top: 24rpx; }
+.auto-withdraw-content { padding-top: 16rpx; }
+.withdraw-switch-row {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  padding: 16rpx 0;
+}
+.switch-label { font-size: 28rpx; color: #fff; }
+.withdraw-info {
+  background: rgba(0,206,209,0.1);
+  border-radius: 16rpx;
+  padding: 20rpx;
+  margin-top: 16rpx;
+}
+.info-item {
+  display: flex;
+  justify-content: space-between;
+  padding: 8rpx 0;
+}
+.info-label { font-size: 26rpx; color: rgba(255,255,255,0.6); }
+.info-value { font-size: 26rpx; color: #00CED1; }
+.withdraw-tip {
+  display: block;
+  font-size: 22rpx;
+  color: rgba(255,255,255,0.4);
+  margin-top: 12rpx;
+  text-align: center;
+}
+
 /* 提现提示 */
 .tip-banner { background: rgba(255,165,0,0.1); border: 2rpx solid rgba(255,165,0,0.3); border-radius: 20rpx; padding: 20rpx 24rpx; margin-bottom: 24rpx; }
 .tip-text { font-size: 24rpx; color: #FFA500; line-height: 1.5; }