feat: 移动端隐藏back top、调整post list样式

src/components/BackTop.astro

@@ -63,8 +63,7 @@ import backTopIcon from "@/assets/icon/back-top.svg?url";
 
   @media (max-width: 768px) {
     .back-top {
-      right: 48px;
-      bottom:100px;
+      display: none;
     }
   }
 </style>

src/components/PostList.astro

@@ -124,7 +124,7 @@ posts.map((post) => {
   }
 
   .post-meta {
-    font-size: 13px;
+    font-size: 12px;
     color: var(--text-secondary);
     margin-bottom: 6px;
     display: flex;
@@ -232,6 +232,15 @@ posts.map((post) => {
       width: 128px;
       height: 88px;
     }
+
+    .post-title {
+      font-size: 18px;
+    }
+
+    .post-meta{
+      gap: 8px;
+      font-size: 12px;
+    }
   }
 
   @media (max-width: 560px) {
@@ -241,16 +250,23 @@ posts.map((post) => {
 
     .post-title {
       font-size: 16px;
+      margin-bottom: 4px;
     }
 
     .post-meta{
       gap: 6px;
+      font-size: 12px;
     }
 
     .post-cover {
       width: 100px;
       height: 70px;
     }
+
+    .post-summary{
+      font-size: 12px;
+      margin-bottom: 6px;
+    }
   }
 
 </style>