diff --git a/templates/MetaLab-2026/html/posts/show.html b/templates/MetaLab-2026/html/posts/show.html
index 3ca1664..36c33a9 100644
--- a/templates/MetaLab-2026/html/posts/show.html
+++ b/templates/MetaLab-2026/html/posts/show.html
@@ -36,18 +36,37 @@
         <div class="post-detail-body" id="postContent"></div>
     </article>
 
-    <!-- 赞/踩/收藏按钮 -->
-    <div class="post-reactions" id="postReactions" data-post-id="{{.Post.ID}}">
-        <button class="reaction-btn reaction-like-btn" id="likeBtn" title="点赞">
-            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="20" height="20"><path d="M14 9V5a3 3 0 0 0-3-3l-4 9v11h11.28a2 2 0 0 0 2-1.7l1.38-9a2 2 0 0 0-2-2.3H14zM7 22H4a2 2 0 0 1-2-2v-7a2 2 0 0 1 2-2h3"/></svg>
-            <span class="reaction-like-count" id="likesCount">{{.Post.LikesCount}}</span>
+    <!-- 右下角悬浮操作栏 -->
+    <div class="post-float-bar" id="postFloatBar" data-post-id="{{.Post.ID}}">
+        <button class="float-btn float-like-btn" id="likeBtn" title="点赞">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M14 9V5a3 3 0 0 0-3-3l-4 9v11h11.28a2 2 0 0 0 2-1.7l1.38-9a2 2 0 0 0-2-2.3H14zM7 22H4a2 2 0 0 1-2-2v-7a2 2 0 0 1 2-2h3"/></svg>
+            <span class="float-count" id="likesCount">{{.Post.LikesCount}}</span>
         </button>
-        <button class="reaction-btn reaction-dislike-btn" id="dislikeBtn" title="踩">
-            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="20" height="20"><path d="M10 15v4a3 3 0 0 0 3 3l4-9V2H5.72a2 2 0 0 0-2 1.7l-1.38 9a2 2 0 0 0 2 2.3H10zM17 2h2.67A2.31 2.31 0 0 1 22 4v7a2.31 2.31 0 0 1-2.33 2H17"/></svg>
+        <button class="float-btn float-dislike-btn" id="dislikeBtn" title="踩">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M10 15v4a3 3 0 0 0 3 3l4-9V2H5.72a2 2 0 0 0-2 1.7l-1.38 9a2 2 0 0 0 2 2.3H10zM17 2h2.67A2.31 2.31 0 0 1 22 4v7a2.31 2.31 0 0 1-2.33 2H17"/></svg>
         </button>
-        <button class="reaction-btn reaction-fav-btn" id="favBtn" title="收藏">
-            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" width="20" height="20"><path d="M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z"/></svg>
-            <span class="reaction-like-count" id="favCount">{{.Post.FavoritesCount}}</span>
+        {{if .IsLoggedIn}}
+        <button class="float-btn float-energize-btn" id="energizeBtn" data-id="{{.Post.ID}}" data-uid="{{$.UID}}" data-author-uid="{{.Post.UserID}}" title="赋能">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polygon points="13 2 3 14 12 14 11 22 21 10 12 10 13 2"/></svg>
+        </button>
+        <button class="float-btn float-fav-btn" id="favBtn" title="收藏">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z"/></svg>
+            <span class="float-count" id="favCount">{{.Post.FavoritesCount}}</span>
+        </button>
+        {{else}}
+        <button class="float-btn float-energize-btn" onclick="location.href='/auth/login?redirect=/posts/{{.Post.ID}}'" title="赋能">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polygon points="13 2 3 14 12 14 11 22 21 10 12 10 13 2"/></svg>
+        </button>
+        <button class="float-btn float-fav-btn" onclick="location.href='/auth/login?redirect=/posts/{{.Post.ID}}'" title="收藏">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M19 21l-7-5-7 5V5a2 2 0 0 1 2-2h10a2 2 0 0 1 2 2z"/></svg>
+            <span class="float-count">0</span>
+        </button>
+        {{end}}
+        <button class="float-btn float-comment-btn" id="floatCommentBtn" title="评论">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"/></svg>
+        </button>
+        <button class="float-btn float-top-btn" id="floatTopBtn" title="回顶部" style="display:none">
+            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="18 15 12 9 6 15"/></svg>
         </button>
     </div>
 
@@ -59,9 +78,6 @@
         {{if and $.Post (eq $.Post.UserID $.UID) (or (eq $.Post.Status "draft") (eq $.Post.Status "rejected")) (not $.Post.IsLocked)}}
         <button class="btn btn-primary" id="submitAuditBtn" data-id="{{$.Post.ID}}">提交审核</button>
         {{end}}
-        {{if and $.Post (ne $.Post.UserID $.UID)}}
-        <button class="btn btn-primary" id="energizeBtn" data-id="{{$.Post.ID}}">赋能</button>
-        {{end}}
     </div>
 
     <!-- 赋能弹窗 -->
@@ -158,5 +174,42 @@
 <script src="/static/js/post-reactions.js?v={{assetV "/static/js/post-reactions.js"}}" nonce="{{.CSPNonce}}"></script>
 <script src="/static/js/post-favorite.js?v={{assetV "/static/js/post-favorite.js"}}" nonce="{{.CSPNonce}}"></script>
 <script src="/static/js/post-comments.js?v={{assetV "/static/js/post-comments.js"}}" nonce="{{.CSPNonce}}"></script>
+<script nonce="{{.CSPNonce}}">
+(function() {
+    var topBtn = document.getElementById('floatTopBtn');
+    var commentBtn = document.getElementById('floatCommentBtn');
+    var comments = document.getElementById('comments');
+    var nav = document.querySelector('nav');
+    var navHeight = nav ? nav.offsetHeight : 60;
+
+    // 回顶部：页面顶部时隐藏按钮
+    function toggleTopBtn() {
+        if (!topBtn) return;
+        if (window.scrollY > 300) {
+            topBtn.style.display = '';
+        } else {
+            topBtn.style.display = 'none';
+        }
+    }
+
+    window.addEventListener('scroll', toggleTopBtn);
+    toggleTopBtn();
+
+    if (topBtn) {
+        topBtn.addEventListener('click', function() {
+            window.scrollTo({ top: 0, behavior: 'smooth' });
+        });
+    }
+
+    // 评论按钮：滚动到评论区域顶部（NAV 下方）
+    if (commentBtn && comments) {
+        commentBtn.addEventListener('click', function() {
+            var rect = comments.getBoundingClientRect();
+            var scrollTop = window.scrollY + rect.top - navHeight - 12;
+            window.scrollTo({ top: scrollTop, behavior: 'smooth' });
+        });
+    }
+})();
+</script>
 </body>
 </html>
diff --git a/templates/MetaLab-2026/static/css/posts.css b/templates/MetaLab-2026/static/css/posts.css
index 6417d03..c81e37d 100644
--- a/templates/MetaLab-2026/static/css/posts.css
+++ b/templates/MetaLab-2026/static/css/posts.css
@@ -1248,3 +1248,85 @@
     font-size: 11px;
     margin-left: 8px;
 }
+
+/* ========== 右下角悬浮操作栏 ========== */
+.post-float-bar {
+    position: fixed;
+    right: 20px;
+    bottom: 120px;
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+    z-index: 100;
+    background: var(--color-surface, #fff);
+    border-radius: 12px;
+    box-shadow: 0 4px 24px rgba(0,0,0,.1);
+    padding: 6px;
+}
+
+.float-btn {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    width: 44px;
+    height: 44px;
+    border: none;
+    background: transparent;
+    border-radius: 8px;
+    cursor: pointer;
+    color: #6b7280;
+    transition: all .15s;
+    position: relative;
+}
+
+.float-btn:hover {
+    background: #f3f4f6;
+    color: #6366f1;
+}
+
+.float-btn.active {
+    color: #6366f1;
+    background: #eef2ff;
+}
+
+.float-btn svg {
+    width: 20px;
+    height: 20px;
+}
+
+.float-count {
+    font-size: 10px;
+    font-weight: 600;
+    line-height: 1;
+    margin-top: 2px;
+    color: inherit;
+}
+
+.float-top-btn {
+    border-top: 1px solid #f3f4f6;
+    border-radius: 0 0 8px 8px;
+    margin-top: 2px;
+    padding-top: 6px;
+}
+
+/* 赋能 Toast */
+.energize-toast {
+    position: fixed;
+    top: 80px;
+    left: 50%;
+    transform: translateX(-50%);
+    background: #1f2937;
+    color: #fff;
+    padding: 10px 24px;
+    border-radius: 8px;
+    font-size: 14px;
+    opacity: 0;
+    transition: opacity .3s;
+    z-index: 10000;
+    pointer-events: none;
+}
+
+.energize-toast.show {
+    opacity: 1;
+}
diff --git a/templates/MetaLab-2026/static/js/post-comments.js b/templates/MetaLab-2026/static/js/post-comments.js
index 5a3ba7e..a9e4db7 100644
--- a/templates/MetaLab-2026/static/js/post-comments.js
+++ b/templates/MetaLab-2026/static/js/post-comments.js
@@ -4,7 +4,7 @@
     var commentsSection = document.getElementById('comments');
     if (!commentsSection) return;
 
-    var postId = commentsSection.closest('.container').querySelector('#postReactions').dataset.postId;
+    var postId = commentsSection.closest('.container').querySelector('#postFloatBar').dataset.postId;
     var commentsList = document.getElementById('commentsList');
     var commentsTotal = document.getElementById('commentsTotal');
     var loadMoreBtn = document.getElementById('commentsLoadMore');
diff --git a/templates/MetaLab-2026/static/js/post-energize.js b/templates/MetaLab-2026/static/js/post-energize.js
index 5ea167b..0e17b2d 100644
--- a/templates/MetaLab-2026/static/js/post-energize.js
+++ b/templates/MetaLab-2026/static/js/post-energize.js
@@ -9,6 +9,20 @@
     if (!btn || !overlay) return;
 
     var postId = btn.dataset.id;
+    var isAuthor = btn.dataset.uid && btn.dataset.authorUid &&
+        btn.dataset.uid === btn.dataset.authorUid;
+
+    function showToast(msg) {
+        var toast = document.createElement('div');
+        toast.className = 'energize-toast';
+        toast.textContent = msg;
+        document.body.appendChild(toast);
+        setTimeout(function() { toast.classList.add('show'); }, 10);
+        setTimeout(function() {
+            toast.classList.remove('show');
+            setTimeout(function() { toast.remove(); }, 300);
+        }, 2000);
+    }
 
     function showOverlay() {
         overlay.style.display = 'flex';
@@ -21,6 +35,10 @@
     }
 
     btn.addEventListener('click', function() {
+        if (isAuthor) {
+            showToast('无法给自己赋能');
+            return;
+        }
         fetch('/api/energy/info')
             .then(function(r) { return r.json(); })
             .then(function(d) {
diff --git a/templates/MetaLab-2026/static/js/post-favorite.js b/templates/MetaLab-2026/static/js/post-favorite.js
index 65ec12f..838eb26 100644
--- a/templates/MetaLab-2026/static/js/post-favorite.js
+++ b/templates/MetaLab-2026/static/js/post-favorite.js
@@ -2,7 +2,7 @@
 (function() {
     var favBtn = document.getElementById('favBtn');
     var favCountEl = document.getElementById('favCount');
-    var container = document.getElementById('postReactions');
+    var container = document.getElementById('postFloatBar');
     var overlay = document.getElementById('favOverlay');
     var closeBtn = document.getElementById('favClose');
     var folderListEl = document.getElementById('favFolderCheckList');
diff --git a/templates/MetaLab-2026/static/js/post-reactions.js b/templates/MetaLab-2026/static/js/post-reactions.js
index a5b6917..9bedce2 100644
--- a/templates/MetaLab-2026/static/js/post-reactions.js
+++ b/templates/MetaLab-2026/static/js/post-reactions.js
@@ -1,6 +1,6 @@
 // 赞/踩系统
 (function() {
-    var container = document.getElementById('postReactions');
+    var container = document.getElementById('postFloatBar');
     var likeBtn = document.getElementById('likeBtn');
     var dislikeBtn = document.getElementById('dislikeBtn');
     var likesCountEl = document.getElementById('likesCount');