edit(关于页): 动画只播一次，滚回不再重播

- 删掉内容组全部 repeat: true（attrs/tl/stats/bars/tags/走心评论/相册）
- 首次滚进照常播入场动画，滚回保持就位不重播不重藏
- 分类条 inview 常驻 → 宽度保持不重长
- 同步更新各处注释

content/about.md

@@ -14,7 +14,7 @@ draft: false
 
 <div class="section-title" uk-scrollspy="cls: uk-animation-fade; delay: 100">02 / 这个博客 (Build)</div>
 
-<div class="ab-attrs" style="border-top: 0;" uk-scrollspy="target: .ab-attr; cls: uk-animation-slide-bottom-medium; delay: 80; repeat: true">
+<div class="ab-attrs" style="border-top: 0;" uk-scrollspy="target: .ab-attr; cls: uk-animation-slide-bottom-medium; delay: 80">
 
 <div class="ab-attr"><span class="k">框架</span><span class="v">Hugo · 主题二开 Ying（自用不开源）</span></div>
 
@@ -30,7 +30,7 @@ draft: false
 
 </div>
 
-<div class="ab-stack" uk-scrollspy="target: .ab-tag; cls: uk-animation-slide-bottom-medium; delay: 60; repeat: true">
+<div class="ab-stack" uk-scrollspy="target: .ab-tag; cls: uk-animation-slide-bottom-medium; delay: 60">
 <span class="ab-tag">Hugo</span>
 <span class="ab-tag">Cloudflare</span>
 <span class="ab-tag">Docker</span>