diff --git a/Merge/front/src/style/PostDetail.css b/Merge/front/src/style/PostDetail.css
new file mode 100644
index 0000000..1be7126
--- /dev/null
+++ b/Merge/front/src/style/PostDetail.css
@@ -0,0 +1,436 @@
+/* 帖子详情页面容器 */
+.post-detail {
+  max-width: 800px;
+  margin: 0 auto;
+  background: #fff;
+  min-height: 100vh;
+  display: flex;
+  flex-direction: column;
+}
+
+/* 加载状态 */
+.loading-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  padding: 60px 20px;
+  color: #666;
+}
+
+.loading-spinner {
+  width: 40px;
+  height: 40px;
+  border: 3px solid #f3f3f3;
+  border-top: 3px solid #ff4757;
+  border-radius: 50%;
+  animation: spin 1s linear infinite;
+  margin-bottom: 20px;
+}
+
+@keyframes spin {
+  0% { transform: rotate(0deg); }
+  100% { transform: rotate(360deg); }
+}
+
+/* 错误状态 */
+.error-container {
+  text-align: center;
+  padding: 60px 20px;
+  color: #666;
+}
+
+.error-container h2 {
+  margin-bottom: 16px;
+  color: #333;
+}
+
+/* 顶部导航栏 */
+.post-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 16px 20px;
+  border-bottom: 1px solid #eee;
+  background: #fff;
+  position: sticky;
+  top: 0;
+  z-index: 100;
+}
+
+.back-btn {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 8px 16px;
+  border: none;
+  background: #f8f9fa;
+  border-radius: 20px;
+  cursor: pointer;
+  transition: background-color 0.2s;
+  font-size: 14px;
+  color: #333;
+}
+
+.back-btn:hover {
+  background: #e9ecef;
+}
+
+.header-actions {
+  display: flex;
+  gap: 8px;
+}
+
+.action-btn {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 40px;
+  height: 40px;
+  border: none;
+  background: #f8f9fa;
+  border-radius: 50%;
+  cursor: pointer;
+  transition: background-color 0.2s;
+  color: #666;
+}
+
+.action-btn:hover {
+  background: #e9ecef;
+}
+
+.action-btn.active {
+  background: #ff4757;
+  color: white;
+}
+
+/* 主要内容区 */
+.post-content {
+  flex: 1;
+  padding: 20px;
+}
+
+.post-title {
+  font-size: 24px;
+  font-weight: 700;
+  line-height: 1.4;
+  margin-bottom: 20px;
+  color: #333;
+}
+
+/* 帖子元信息 */
+.post-meta {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 20px;
+  padding-bottom: 16px;
+  border-bottom: 1px solid #f0f0f0;
+}
+
+.author-info {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.avatar {
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  background: #ff4757;
+  color: white;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-weight: 600;
+  font-size: 16px;
+}
+
+.author-details {
+  display: flex;
+  flex-direction: column;
+  gap: 2px;
+}
+
+.author-name {
+  font-weight: 600;
+  color: #333;
+  font-size: 14px;
+}
+
+.post-date {
+  font-size: 12px;
+  color: #666;
+}
+
+.post-stats {
+  display: flex;
+  gap: 16px;
+}
+
+.stat-item {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  font-size: 14px;
+  color: #666;
+}
+
+/* 标签 */
+.post-tags {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-bottom: 20px;
+}
+
+.tag {
+  padding: 4px 12px;
+  background: #f8f9fa;
+  border-radius: 16px;
+  font-size: 12px;
+  color: #666;
+  border: 1px solid #e9ecef;
+}
+
+/* 帖子正文 */
+.post-body {
+  margin-bottom: 24px;
+  line-height: 1.6;
+  color: #333;
+  font-size: 16px;
+}
+
+.post-body p {
+  margin-bottom: 16px;
+}
+
+/* 类别信息 */
+.post-category {
+  margin-bottom: 20px;
+  padding: 12px;
+  background: #f8f9fa;
+  border-radius: 8px;
+  font-size: 14px;
+}
+
+.category-label {
+  color: #666;
+  font-weight: 500;
+}
+
+.category-name {
+  color: #333;
+  font-weight: 600;
+}
+
+/* 评论区 */
+.comments-section {
+  margin-top: 32px;
+  padding-top: 24px;
+  border-top: 1px solid #eee;
+}
+
+.comments-header {
+  margin-bottom: 20px;
+}
+
+.comments-toggle {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 10px 16px;
+  border: 1px solid #e9ecef;
+  background: #f8f9fa;
+  border-radius: 8px;
+  cursor: pointer;
+  transition: background-color 0.2s;
+  font-size: 14px;
+  color: #333;
+}
+
+.comments-toggle:hover {
+  background: #e9ecef;
+}
+
+.comments-content {
+  margin-top: 16px;
+}
+
+/* 评论表单 */
+.comment-form {
+  margin-bottom: 24px;
+  padding: 16px;
+  background: #f8f9fa;
+  border-radius: 8px;
+}
+
+.comment-input {
+  width: 100%;
+  padding: 12px;
+  border: 1px solid #dee2e6;
+  border-radius: 6px;
+  resize: vertical;
+  font-family: inherit;
+  font-size: 14px;
+  margin-bottom: 12px;
+  outline: none;
+  transition: border-color 0.2s;
+}
+
+.comment-input:focus {
+  border-color: #ff4757;
+}
+
+.comment-submit {
+  padding: 8px 16px;
+  background: #ff4757;
+  color: white;
+  border: none;
+  border-radius: 6px;
+  cursor: pointer;
+  font-size: 14px;
+  transition: background-color 0.2s;
+}
+
+.comment-submit:hover {
+  background: #e84c4a;
+}
+
+/* 评论列表 */
+.comments-list {
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+}
+
+.no-comments {
+  text-align: center;
+  color: #666;
+  font-style: italic;
+  padding: 32px 0;
+}
+
+.comment-item {
+  padding: 16px;
+  background: #fff;
+  border: 1px solid #e9ecef;
+  border-radius: 8px;
+}
+
+.comment-author {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  margin-bottom: 8px;
+}
+
+.comment-avatar {
+  width: 32px;
+  height: 32px;
+  border-radius: 50%;
+  background: #6c757d;
+  color: white;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-weight: 600;
+  font-size: 14px;
+}
+
+.comment-name {
+  font-weight: 600;
+  color: #333;
+  font-size: 14px;
+}
+
+.comment-time {
+  font-size: 12px;
+  color: #666;
+  margin-left: auto;
+}
+
+.comment-content {
+  font-size: 14px;
+  line-height: 1.5;
+  color: #333;
+  margin-left: 40px;
+}
+
+/* 底部操作栏 */
+.post-footer {
+  padding: 16px 20px;
+  border-top: 1px solid #eee;
+  background: #fff;
+  position: sticky;
+  bottom: 0;
+}
+
+.action-bar {
+  display: flex;
+  justify-content: space-around;
+  align-items: center;
+  max-width: 400px;
+  margin: 0 auto;
+}
+
+.action-button {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 4px;
+  padding: 8px 12px;
+  border: none;
+  background: transparent;
+  cursor: pointer;
+  transition: color 0.2s;
+  color: #666;
+  font-size: 12px;
+}
+
+.action-button:hover {
+  color: #333;
+}
+
+.action-button.liked {
+  color: #ff4757;
+}
+
+.action-button.bookmarked {
+  color: #ffa502;
+}
+
+/* 响应式设计 */
+@media (max-width: 768px) {
+  .post-detail {
+    margin: 0;
+  }
+  
+  .post-content {
+    padding: 16px;
+  }
+  
+  .post-title {
+    font-size: 20px;
+  }
+  
+  .post-meta {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 12px;
+  }
+  
+  .post-stats {
+    align-self: flex-end;
+  }
+  
+  .action-bar {
+    max-width: none;
+  }
+  
+  .comment-content {
+    margin-left: 0;
+    margin-top: 8px;
+  }
+}