diff --git a/JWLLL/API_front/src/style/PostDetail.css b/JWLLL/API_front/src/style/PostDetail.css
new file mode 100644
index 0000000..6257670
--- /dev/null
+++ b/JWLLL/API_front/src/style/PostDetail.css
@@ -0,0 +1,322 @@
+/* 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: #fff;
+}
+
+/* 主要内容区 */
+.post-content {
+  flex: 1;
+  padding: 20px;
+}
+
+/* 帖子标题 */
+.post-title {
+  font-size: 28px;
+  font-weight: 700;
+  line-height: 1.3;
+  margin-bottom: 20px;
+  color: #2c3e50;
+}
+
+/* 作者信息和元数据 */
+.post-meta {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 20px;
+  padding-bottom: 16px;
+  border-bottom: 1px solid #eee;
+}
+
+.author-info {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.avatar {
+  width: 48px;
+  height: 48px;
+  border-radius: 50%;
+  background: linear-gradient(135deg, #ff4757, #ff6b7a);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  color: #fff;
+  font-size: 18px;
+  font-weight: 600;
+}
+
+.author-details {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.author-name {
+  font-size: 16px;
+  font-weight: 600;
+  color: #2c3e50;
+}
+
+.post-date {
+  font-size: 14px;
+  color: #7f8c8d;
+}
+
+.post-stats {
+  display: flex;
+  gap: 16px;
+}
+
+.stat-item {
+  display: flex;
+  align-items: center;
+  gap: 4px;
+  color: #7f8c8d;
+  font-size: 14px;
+}
+
+/* 标签 */
+.post-tags {
+  display: flex;
+  flex-wrap: wrap;
+  gap: 8px;
+  margin-bottom: 24px;
+}
+
+.tag {
+  padding: 4px 12px;
+  background: #f8f9fa;
+  border-radius: 12px;
+  font-size: 12px;
+  color: #666;
+  border: 1px solid #dee2e6;
+}
+
+/* 帖子正文 */
+.post-body {
+  line-height: 1.8;
+  font-size: 16px;
+  color: #2c3e50;
+  margin-bottom: 24px;
+}
+
+.post-body p {
+  margin-bottom: 16px;
+}
+
+/* 类别信息 */
+.post-category {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  padding: 12px 16px;
+  background: #f8f9fa;
+  border-radius: 8px;
+  margin-bottom: 20px;
+}
+
+.category-label {
+  font-size: 14px;
+  color: #7f8c8d;
+}
+
+.category-name {
+  font-size: 14px;
+  font-weight: 600;
+  color: #ff4757;
+}
+
+/* 底部操作栏 */
+.post-footer {
+  border-top: 1px solid #eee;
+  background: #fff;
+  position: sticky;
+  bottom: 0;
+}
+
+.action-bar {
+  display: flex;
+  justify-content: space-around;
+  padding: 12px 20px;
+}
+
+.action-button {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  gap: 4px;
+  padding: 8px 12px;
+  border: none;
+  background: transparent;
+  cursor: pointer;
+  transition: all 0.2s;
+  color: #7f8c8d;
+  font-size: 12px;
+  border-radius: 8px;
+  min-width: 60px;
+}
+
+.action-button:hover {
+  background: #f8f9fa;
+  color: #2c3e50;
+}
+
+.action-button.liked {
+  color: #ff4757;
+}
+
+.action-button.bookmarked {
+  color: #ffa726;
+}
+
+/* 响应式设计 */
+@media (max-width: 768px) {
+  .post-detail {
+    margin: 0;
+  }
+  
+  .post-title {
+    font-size: 24px;
+  }
+  
+  .post-content {
+    padding: 16px;
+  }
+  
+  .post-header {
+    padding: 12px 16px;
+  }
+  
+  .post-meta {
+    flex-direction: column;
+    align-items: flex-start;
+    gap: 12px;
+  }
+  
+  .post-stats {
+    align-self: flex-end;
+  }
+  
+  .action-bar {
+    padding: 8px 16px;
+  }
+  
+  .action-button {
+    font-size: 11px;
+    min-width: 50px;
+  }
+}
+
+/* 平滑滚动 */
+html {
+  scroll-behavior: smooth;
+}
+
+/* 选中文本样式 */
+::selection {
+  background: rgba(255, 71, 87, 0.2);
+  color: #2c3e50;
+}