怎么图标都变了？

<div class="zm-post-content" id="post-content"><h2 style="font-family: Inter, &quot;PingFang SC&quot;, &quot;Noto Sans SC&quot;, &quot;Microsoft YaHei&quot;, system-ui, sans-serif;"><ul><li><i><u><strike><b>图标...变了...</b></strike></u></i></li></ul></h2></div><div class="zm-post-actions" id="post-actions" style="border-top: 0.606061px solid rgb(68, 64, 60); border-bottom: 0.606061px solid rgb(68, 64, 60); font-size: medium;"></div>

<h1 class="zm-post-detail-title" style="font-family: Inter, &quot;PingFang SC&quot;, &quot;Noto Sans SC&quot;, &quot;Microsoft YaHei&quot;, system-ui, sans-serif;">怎么图标都变了？</h1><div class="zm-post-meta-bar" style="color: rgb(168, 162, 158); border-bottom: 0.606061px solid rgb(68, 64, 60);"><a href="https://bbs.adouwork.site/pages/profile.php?id=65" style="display: flex; align-items: center; gap: 10px;"><div class="zm-avatar zm-avatar-md zm-avatar-frame-indigo" style="border-radius: 9999px; background-image: linear-gradient(135deg, rgba(99, 102, 241, 0.667), rgba(99, 102, 241, 0.333)); background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; color: rgb(255, 255, 255);"><img src="https://bbs.adouwork.site/uploads/000/00/00/65.png" class="zm-avatar zm-avatar-md" style="border-radius: 9999px; background-color: rgb(41, 37, 36); color: rgb(168, 162, 158);"></div><div><div style="font-size: 14px; font-weight: 600; display: flex; align-items: center; gap: 8px;">董昭霖<span class="zm-level-badge" style="border-radius: 9999px; background: rgb(99, 102, 241);">Lv.6 工程师</span></div><div style="margin: 2px 0px 0px; font-size: 12px;">学而思用户，学而思互关吗？</div></div></a>👁️ 1 浏览🕐 2026-09-24 09:52:15</div><div class="zm-post-actions" id="post-actions" style="border-top: 0.606061px solid rgb(68, 64, 60); border-bottom: 0.606061px solid rgb(68, 64, 60); font-size: medium;"><div><br></div></div>

&nbsp;

<nav class="zm-navbar" style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(28, 25, 23); border-bottom: 0.606061px solid rgb(68, 64, 60); font-size: medium;"><div class="zm-container zm-navbar-inner"><div class="zm-nav-actions"><button class="zm-btn zm-btn-ghost" title="切换主题" style="padding: 8px; border-radius: 8px; color: rgb(168, 162, 158);">🌙</button></div></div></nav><div class="zm-container" style="font-size: medium; background-color: rgb(20, 18, 16);"><a href="https://bbs.adouwork.site/pages/announcement.php?id=1" class="zm-announcement-bar" style="margin: 20px 0px 16px; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 251, 235); border-radius: 8px;">📢<strong>公告：</strong>欢迎来到筑梦社区</a><div class="zm-hero-banner" style="margin: 16px 0px 24px; border-radius: 16px;"><div class="zm-hero-content"><h1 style="font-family: Inter, &quot;PingFang SC&quot;, &quot;Noto Sans SC&quot;, &quot;Microsoft YaHei&quot;, system-ui, sans-serif; color: rgb(245, 245, 244);">🏗️ 欢迎来到筑梦社区</h1><p style="color: rgb(168, 162, 158);">一个温暖的梦想社区，让每一个梦想都被看见。在这里发帖、交流、交友，一起筑梦！</p><div style="display: flex; gap: 10px; flex-wrap: wrap;"><a href="https://bbs.adouwork.site/pages/login.php?tab=register" class="zm-btn zm-btn-primary" style="color: rgb(255, 255, 255); border-radius: 8px; background-color: rgb(240, 68, 56);">🚀 立即加入</a><a href="https://bbs.adouwork.site/pages/login.php" class="zm-btn zm-btn-secondary" style="color: rgb(245, 245, 244); border-radius: 8px; border-color: rgb(68, 64, 60);">🔐 登录</a></div></div></div></div>

<nav class="zm-navbar" style="background: none 0% 0% / auto repeat scroll padding-box border-box rgb(28, 25, 23); border-bottom: 0.606061px solid rgb(68, 64, 60); font-size: medium;"><div class="zm-container zm-navbar-inner"><div class="zm-nav-actions"><br><button class="zm-btn zm-btn-ghost" title="切换主题" style="padding: 8px; border-radius: 8px; color: rgb(168, 162, 158);">🌙</button></div></div></nav><div class="zm-container" style="font-size: medium; background-color: rgb(20, 18, 16);"><a href="https://bbs.adouwork.site/pages/announcement.php?id=1" class="zm-announcement-bar" style="margin: 20px 0px 16px; background: none 0% 0% / auto repeat scroll padding-box border-box rgb(255, 251, 235); border-radius: 8px;">📢<strong>公告：</strong>欢迎来到筑梦社区</a><div class="zm-hero-banner" style="margin: 16px 0px 24px; border-radius: 16px;"><div class="zm-hero-content"><h1 style="font-family: Inter, &quot;PingFang SC&quot;, &quot;Noto Sans SC&quot;, &quot;Microsoft YaHei&quot;, system-ui, sans-serif; color: rgb(245, 245, 244);">🏗️ 欢迎来到筑梦社区</h1><p style="color: rgb(168, 162, 158);">一个温暖的梦想社区，让每一个梦想都被看见。在这里发帖、交流、交友，一起筑梦！</p><div style="display: flex; gap: 10px; flex-wrap: wrap;"><a href="https://bbs.adouwork.site/pages/login.php?tab=register" class="zm-btn zm-btn-primary" style="color: rgb(255, 255, 255); border-radius: 8px; background-color: rgb(240, 68, 56);">🚀 立即加入</a><a href="https://bbs.adouwork.site/pages/login.php" class="zm-btn zm-btn-secondary" style="color: rgb(245, 245, 244); border-radius: 8px; border-color: rgb(68, 64, 60);">🔐 登录</a></div></div></div></div>

\(\begin{cases} p_{i+1}=q_i \\ q_{i+1}=q_i+p_i \end{cases}\)

\(\begin{cases} p_{i+1}=q_i \\ q_{i+1}=q_i+p_i \end{cases}\)