refactor(components): 重构多个组件并优化公共样式

重构了item-head、item-bottom、item-offer、item-summary和item-tenement组件，优化了props传递和数据处理逻辑
将公共头部和导航样式提取到public.css中，避免重复代码
修复了item-tenement组件中图片显示和数据处理的问题
更新了item-bottom组件的点赞和收藏逻辑，增加错误提示
优化了item-head组件的用户信息显示逻辑
调整了多个组件的样式细节，包括间距、图标大小等

css/public.css

@@ -283,6 +283,7 @@ body {
 }
 .item-box.item-summary .list .item .school .icon {
   height: 24px;
+  margin-right: 10px;
 }
 .item-box.item-summary .list .item .school .name {
   font-family: "PingFangSC-Semibold", "PingFang SC Semibold", "PingFang SC", sans-serif;
@@ -356,7 +357,7 @@ body {
   color: #000000;
 }
 .item-box.item-vote .list {
-  margin: 4px 20px 0;
+  margin: 4px 20px 20px;
   overflow: hidden;
   max-height: 138px;
 }
@@ -1246,3 +1247,150 @@ body {
 .offer-side-box.side-box .box {
   width: 271px;
 }
+.head-navigation {
+  margin-bottom: 20px;
+}
+.head-navigation .icon {
+  width: 16px;
+  height: 16px;
+}
+.head-navigation .arrows {
+  width: 7px;
+  height: 12px;
+  margin: 0 5px;
+}
+.head-navigation .text {
+  padding: 0 5px;
+  font-size: 14px;
+  color: #000000;
+  text-decoration: none;
+  max-width: 300px;
+}
+.head-navigation .text.textA:hover {
+  text-decoration: underline;
+}
+.head-top {
+  margin-bottom: 30px;
+}
+.head-top .logo {
+  height: 52px;
+}
+.head-top .input-box {
+  width: 370px;
+  height: 40px;
+  background-color: #ebebeb;
+  border: 2px solid #d7d7d7;
+  border-radius: 11px;
+  padding: 0 15px;
+  justify-content: space-between;
+  margin-right: 20px;
+}
+.head-top .input-box .input {
+  border: none;
+  outline: none;
+  height: 100%;
+  background-color: transparent;
+}
+.head-top .input-box .icon {
+  width: 18px;
+  height: 18px;
+  margin-left: 15rpx;
+  cursor: pointer;
+}
+.head-top .sign-in {
+  width: 192px;
+  height: 40px;
+  border-radius: 83px;
+  cursor: pointer;
+}
+.head-top .sign-in.sign-in-already {
+  background-color: #ffffff;
+  font-size: 14px;
+  color: #333;
+}
+.head-top .sign-in.sign-in-already .sign-icon {
+  width: 20px;
+  height: 20px;
+  margin-right: 10px;
+}
+.head-top .sign-in.sign-in-no {
+  position: relative;
+  z-index: 1;
+  padding-right: 8px;
+}
+.head-top .sign-in.sign-in-no .sign-in-bj {
+  position: absolute;
+  top: 0;
+  left: 0;
+  z-index: -1;
+  width: 190px;
+  height: 40px;
+}
+.head-top .sign-in.sign-in-no .coin-bj {
+  position: absolute;
+  width: 157px;
+  height: 33px;
+  top: 4px;
+  left: 29px;
+}
+.head-top .sign-in.sign-in-no .coin-icon {
+  width: 43px;
+  height: 51px;
+  align-self: flex-end;
+  z-index: 1;
+  margin-left: -2px;
+}
+.head-top .sign-in.sign-in-no .text {
+  text-align: center;
+  text-shadow: 1px 1px 2px #a63603;
+  -webkit-text-shadow: 1px 1px 2px #a63603;
+  -moz-text-shadow: 1px 1px 2px #a63603;
+  font-size: 15px;
+  color: #fff;
+}
+.head-top .sign-in.sign-in-no .sign-go {
+  width: 30px;
+  height: 30px;
+  font-family: "Arial-BoldMT", "Arial Bold", "Arial", sans-serif;
+  font-weight: 700;
+  font-size: 12px;
+  color: #710600;
+  position: relative;
+}
+.head-top .sign-in.sign-in-no .sign-go .sign-go-bj {
+  width: 100%;
+  height: 100%;
+  position: absolute;
+  z-index: -1;
+}
+.head-top .sign-in.sign-in-no .petal1,
+.head-top .sign-in.sign-in-no .petal2,
+.head-top .sign-in.sign-in-no .petal3 {
+  position: absolute;
+}
+.head-top .sign-in.sign-in-no .petal1 {
+  width: 24px;
+  height: 10px;
+  top: 3px;
+  left: 55px;
+}
+.head-top .sign-in.sign-in-no .petal2 {
+  width: 16px;
+  height: 14px;
+  top: 25px;
+  left: 92px;
+}
+.head-top .sign-in.sign-in-no .petal3 {
+  width: 17px;
+  height: 12px;
+  top: 25px;
+  left: 136px;
+}
+.head-top .post-list .post-item {
+  width: 84px;
+  height: 34px;
+  cursor: pointer;
+}
+.head-top .post-list .post-item:not(:last-child) {
+  margin-right: 10px;
+}