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.css

@@ -6,6 +6,9 @@
   font-weight: 400;
   font-style: normal;
 }
+a {
+  text-decoration: none;
+}
 body {
   background-color: #eef2f5;
 }
@@ -53,6 +56,7 @@ body {
   border: 1px solid #e9eef2;
   border-radius: 10px;
   padding: 18px 20px 0;
+  display: block;
 }
 .item-box .item-head {
   margin-bottom: 14px;
@@ -529,7 +533,9 @@ body {
   justify-content: flex-end;
 }
 .item-box .bottom .bottom-item {
+  height: 100%;
   cursor: pointer;
+  position: relative;
 }
 .item-box .bottom .bottom-item:not(:last-child) {
   margin-right: 60px;
@@ -547,6 +553,63 @@ body {
   width: 18px;
   height: 18px;
 }
+.item-box .bottom .bottom-item.share:hover .share-box {
+  display: flex;
+}
+.item-box .bottom .bottom-item .share-box {
+  z-index: 2;
+  position: absolute;
+  left: 50%;
+  transform: translateX(-50%);
+  bottom: 42px;
+  width: 130px;
+  height: 100px;
+  background-color: #ffffff;
+  border-radius: 6px;
+  box-shadow: 0px 0px 5px rgba(0, 0, 0, 0.16862745);
+  flex-direction: column;
+  display: none;
+}
+.item-box .bottom .bottom-item .share-box .share-item {
+  width: 100%;
+  height: 40px;
+  color: #555555;
+  font-size: 14px;
+}
+.item-box .bottom .bottom-item .share-box .share-item:hover {
+  background-color: #f0fafd;
+}
+.item-box .bottom .bottom-item .share-box .share-item .share-icon {
+  width: 18px;
+  height: 18px;
+  margin-right: 13px;
+}
+.item-box .bottom .bottom-item .share-box .share-item.wenxin:hover .QRcode-box {
+  display: flex;
+}
+.item-box .bottom .bottom-item .share-box .share-item .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;
+}
+.item-box .bottom .bottom-item .share-box .share-item .QRcode-box .QRcode {
+  width: 100px;
+  height: 100px;
+  margin-bottom: 4px;
+}
+.item-box .bottom .bottom-item .share-box .share-item .QRcode-box .text {
+  color: #555555;
+  font-size: 14px;
+}
 /* offer 录取结果 */
 .results.r1 {
   background-color: #76c45e;
@@ -1200,6 +1263,27 @@ body {
 .box-interviewexperience .slideshow-box .tab-list .tab-item.pitch::before {
   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;
+}
+.posts-box .box-newest-head .icon {
+  width: 22px;
+  height: 22px;
+  margin-right: 8px;
+}
+.posts-box .slideshow-content {
+  margin-left: 10px;
+  transition: all 0.3s;
+}
+.posts-box.box-essence .slideshow-content {
+  margin-left: -263px;
+}
 .box-newest .slideshow-box .tab-list .tab-item.pitch::before {
   background: linear-gradient(to right, #6ac83e, #6ad2cb);
 }
@@ -1227,6 +1311,7 @@ body {
   background: #ffffff;
   position: relative;
   margin-bottom: 12px;
+  overflow: hidden;
 }
 .box-essence .newest-side-box .bounding,
 .box-newest .essence-side-box .bounding {