移除解决方案幻灯片的播放进度条

- 删除 HTML 中的进度条元素
- 移除 CSS 中进度条相关样式
- 简化 JavaScript 代码，移除进度条更新逻辑
- 保留自动播放和按钮切换功能

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

js/index.js

@@ -266,13 +266,10 @@ $(function () {
   (function () {
     const $tabs = $('.solution-tab');
     const $slides = $('.solution-slide');
-    const $progressBar = $('.progress-bar');
     const totalSlides = $slides.length;
     let currentIndex = 0;
     let autoPlayTimer = null;
-    let progressTimer = null;
     const autoPlayDuration = 3000; // 3秒自动切换
-    const progressInterval = 100; // 进度条更新间隔
 
     // 切换到指定幻灯片
     function switchSlide(index) {
@@ -287,9 +284,6 @@ $(function () {
       $tabs.eq(index).addClass('active');
 
       currentIndex = index;
-
-      // 重置进度条
-      resetProgress();
     }
 
     // 切换到下一张
@@ -298,28 +292,9 @@ $(function () {
       switchSlide(nextIndex);
     }
 
-    // 重置进度条
-    function resetProgress() {
-      $progressBar.css('width', '0%');
-      clearInterval(progressTimer);
-
-      let progress = 0;
-      const step = (progressInterval / autoPlayDuration) * 100;
-
-      progressTimer = setInterval(function () {
-        progress += step;
-        if (progress >= 100) {
-          progress = 100;
-          clearInterval(progressTimer);
-        }
-        $progressBar.css('width', progress + '%');
-      }, progressInterval);
-    }
-
     // 启动自动播放
     function startAutoPlay() {
       stopAutoPlay();
-      resetProgress();
       autoPlayTimer = setInterval(nextSlide, autoPlayDuration);
     }
 
@@ -329,10 +304,6 @@ $(function () {
         clearInterval(autoPlayTimer);
         autoPlayTimer = null;
       }
-      if (progressTimer) {
-        clearInterval(progressTimer);
-        progressTimer = null;
-      }
     }
 
     // 按钮点击事件