feat: 新增编辑页面和分享功能，优化链接跳转和样式

- 添加edit.html编辑页面及相关CSS样式
- 实现内容编辑区的富文本功能
- 为item-bottom组件添加分享功能，包括复制链接和微信转发
- 更新多个组件的链接跳转地址
- 优化CSS样式，包括圆角、阴影和hover效果
- 修复部分样式问题和布局错位
- 移除不再使用的section-index.html文件

css/public.less

@@ -7,6 +7,10 @@
     font-style: normal;
 }
 
+a {
+    text-decoration: none;
+}
+
 body {
     background-color: rgba(238, 242, 245, 1);
 }
@@ -63,6 +67,7 @@ body {
     border: 1px solid rgba(233, 238, 242, 1);
     border-radius: 10px;
     padding: 18px 20px 0;
+    display: block;
 
     .item-head {
         margin-bottom: 14px;
@@ -633,6 +638,7 @@ body {
         justify-content: flex-end;
 
         .bottom-item {
+            height: 100%;
             cursor: pointer;
             &:not(:last-child) {
                 margin-right: 60px;
@@ -655,6 +661,80 @@ body {
                     height: 18px;
                 }
             }
+
+            position: relative;
+
+            &.share {
+                &:hover {
+                    .share-box {
+                        display: flex;
+                    }
+                }
+            }
+
+            .share-box {
+                z-index: 2;
+                position: absolute;
+                left: 50%;
+                transform: translateX(-50%);
+                bottom: 42px;
+                width: 130px;
+                height: 100px;
+                background-color: rgba(255, 255, 255, 1);
+                border-radius: 6px;
+                box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.168627450980392);
+                flex-direction: column;
+                display: none;
+
+                .share-item {
+                    width: 100%;
+                    height: 40px;
+                    color: #555555;
+                    font-size: 14px;
+
+                    &:hover {
+                        background-color: rgba(240, 250, 253, 1);
+                    }
+
+                    .share-icon {
+                        width: 18px;
+                        height: 18px;
+                        margin-right: 13px;
+                    }
+
+                    &.wenxin:hover {
+                        .QRcode-box {
+                            display: flex;
+                        }
+                    }
+
+                    .QRcode-box {
+                        z-index: 1;
+                        display: none;
+                        position: absolute;
+                        top: 48px;
+                        left: 100%;
+                        width: 140px;
+                        height: 166px;
+                        background-color: #ffffff;
+                        border-radius: 6px;
+                        padding: 20px;
+                        box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.16862745);
+                        flex-direction: column;
+
+                        .QRcode {
+                            width: 100px;
+                            height: 100px;
+                            margin-bottom: 4px;
+                        }
+
+                        .text {
+                            color: #555555;
+                            font-size: 14px;
+                        }
+                    }
+                }
+            }
         }
     }
 }
@@ -1426,6 +1506,34 @@ body {
     background-color: #789feb;
 }
 
+.posts-box {
+    .box-newest-head {
+        font-weight: 650;
+        font-size: 16px;
+        color: #000000;
+        padding: 0;
+        height: auto;
+        line-height: normal;
+        padding: 20px 16px 0;
+        .icon {
+            width: 22px;
+            height: 22px;
+            margin-right: 8px;
+        }
+    }
+
+    .slideshow-content {
+        margin-left: 10px;
+        transition: all 0.3s;
+    }
+
+    &.box-essence {
+        .slideshow-content {
+            margin-left: -263px;
+        }
+    }
+}
+
 .box-newest .slideshow-box .tab-list .tab-item.pitch::before {
     background: linear-gradient(to right, #6ac83e, #6ad2cb);
 }
@@ -1458,6 +1566,7 @@ body {
     background: #ffffff;
     position: relative;
     margin-bottom: 12px;
+    overflow: hidden;
 }
 
 .box-essence .newest-side-box .bounding,