refactor(component): 重构组件模板与样式结构

将公共样式提取至public.css，优化组件模板结构
添加图片资源与组件模板同步脚本
调整组件样式与布局，统一风格

component/item-head/item-head.js

@@ -0,0 +1,22 @@
+// my-component.js
+// 引入全局 Vue 对象（因在 HTML 中通过 script 引入，Vue 已挂载到 window）
+const { defineComponent } = Vue;
+
+// 定义组件（直接使用模板）
+export const itemHead = defineComponent({
+    name: "item-head",
+    props: {
+        title: {
+            type: String,
+            default: "默认标题",
+        },
+    },
+    // 方法
+    methods: {
+        handleClick() {
+            alert("组件按钮被点击");
+        },
+    },
+
+    template: `<div class="item-head flexacenter">    <img class="avatar" src="https://nas.gter.net:9008/avatar/97K4EWIMLrsbGTWXslC1UltTF6WOikN42jDKLNjtax7Hc44zLpaKSdU9oWFhY2E~/small" />    <div class="name">小P学姐</div>    <img class="group" src="https://o.x-php.com/Zvt57TuJSUvkyhw-xG7Y2l-c_ZMtdXfqqsgFptxhcq_cQnrlcPJ0DVESBq_D-81qNDQyOQ~~" />    <div class="time">2025-8-11 01:30</div>    <div class="flex1"></div>    <div class="view flexacenter">        <img class="icon" src="https://app.gter.net/image/miniApp/offer/eye-icon.svg" />        <div class="text">3016</div>    </div>    <div class="btn flexcenter" @click="cutShow">        <img class="icon" src="https://app.gter.net/image/miniApp/offer/dot-dot-dot-gray.png" />    </div>    <!-- <template v-if="show">                        <div class="mask" catch:tap="cutShow" catch:touchmove="touchmove"></div>                        <div class="operate" catch:tap="true">                            <div class="item" bind:tap="report">举报</div>                            <template v-if="ismanager">                                <div class="item" bind:tap="hide">{{ item.hidden == 0 ? '隐藏' : '显示' }}</div>                                <div class="item" bind:tap="recommend">{{ item.recommend == 1 ? '取消' : '' }}推荐</div>                                <div class="item" bind:tap="essence">{{ item.best == 1 ? '取消' : '' }}精华</div>                            </template>                        </div>                    </template> --></div>  `,
+});