add mainView, reward, community pages

Change-Id: I70da6ed3e91ebf4124c2074b6508192a19ed9909
diff --git "a/src/app/reward/reward-detail/\133rewardId\135/reward-detail.scss" "b/src/app/reward/reward-detail/\133rewardId\135/reward-detail.scss"
new file mode 100644
index 0000000..a38cd0a
--- /dev/null
+++ "b/src/app/reward/reward-detail/\133rewardId\135/reward-detail.scss"
@@ -0,0 +1,93 @@
+.reward-detail {
+  max-width: 1200px;
+  margin: 0 auto;
+  padding: 2rem;
+
+  // 把标题和用户信息、发布时间都放到同一个 flex 容器里
+  .reward-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 2rem;
+
+    h1 {
+      order: 1;
+      font-size: 2rem;
+      color: #1a202c;
+      margin: 0;
+    }
+
+    .post-time {
+      order: 3;
+      color: #718096;
+      font-size: 0.875rem;
+    }
+  }
+
+  // 贴子正文,文本在左,图片 + 价格 + 按钮在右
+  .reward-content {
+    display: flex;
+    flex-direction: row;
+    align-items: flex-start;
+    margin-top: 1rem;
+
+
+    .reward-info-container {
+      display: flex;
+      flex-direction: column;
+      gap: 1rem;
+      width: 50%;
+
+      .user-info {
+        display: flex;
+        align-items: center;
+        gap: 1rem;
+      }
+
+      // 文本部分
+      .reward-info {
+
+        p {
+          font-size: 1rem;
+          line-height: 1.75;
+          color: #4a5568;
+          margin-bottom: 2rem;
+        }
+      }
+    }
+
+
+
+
+    // 右侧媒体区:图片、价格、提交按钮
+    .reward-media {
+      display: flex;
+      width: 50%;
+      flex-direction: column;
+      justify-content: flex-end;
+      align-items: flex-end;
+      gap: 2rem;
+
+      img {
+        margin-top: 1rem;
+        border-radius: 0.5rem 0.5rem 0.5rem 0.5rem;
+      }
+
+      .reward-actions {
+        min-width: 120px;
+        display: flex;
+        flex-direction: row;
+        gap: 1rem;
+        margin-bottom: 2rem;
+
+        .reward-price {
+          font-size: 2rem;
+          font-weight: bold;
+          color: #2c3e50;
+          margin-bottom: 0.5rem;
+        }
+
+      }
+    }
+  }
+}
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