chore: 清理 Docker 相关文件并优化前端布局

- 删除 Docker 相关文件 (docker-compose, Dockerfile, nginx.conf, init.sql 等)
- 优化 platforms.html 卡片布局和响应式样式
- 优化 users.html 格式和移动端卡片设计
- 优化 admin.html 页面结构和表格布局
- 修复各页面 min-height 和溢出问题
- 更新导航组件样式

platform/frontend/navbar-component.js

@@ -6,10 +6,13 @@
     if (document.getElementById('navbar-styles')) return;
     const styles = `
       .navbar-component { position: fixed; top: 0; left: 0; right: 0; height: 60px; background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%); color: white; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; box-shadow: 0 2px 8px rgba(0,0,0,0.1); z-index: 10000; }
-      .navbar-component .navbar-title { font-size: 18px; font-weight: 600; }
+      .navbar-component .navbar-title { font-size: 18px; font-weight: 600; margin: 0; }
       .navbar-component .navbar-user { display: flex; align-items: center; gap: 12px; }
       .navbar-component .user-info { display: flex; align-items: center; gap: 8px; }
       .navbar-component .avatar { width: 32px; height: 32px; border-radius: 50%; background: rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; font-size: 14px; }
+      .navbar-component .logout-btn { background: rgba(255,255,255,0.2); border: none; color: white; padding: 6px 12px; border-radius: 6px; cursor: pointer; margin-left: 12px; }
+      .navbar-component .logout-btn:hover { background: rgba(255,255,255,0.3); }
+      .navbar-component .admin-badge { margin-left: 8px; font-size: 12px; background: rgba(255,255,255,0.3); padding: 2px 8px; border-radius: 10px; }
       @media (max-width: 768px) {
         .navbar-component { padding: 0 16px; }
         .navbar-component .navbar-title { font-size: 16px; }
@@ -22,26 +25,9 @@
     console.log('[Navbar] 样式已注入');
   }
 
-  function getHFromApp(app) {
-    try {
-      if (app._context && app._context.h) return app._context.h;
-      if (app._instance && app._instance.proxy && app._instance.proxy._cf) return app._instance.proxy._cf;
-    } catch (e) { console.warn('[Navbar] 获取 h 失败', e); }
-    return null;
-  }
-
   const installNavbar = (app) => {
     console.log('[Navbar] installNavbar called');
     injectStyles();
-    const h = getHFromApp(app) || (window.Vue && Vue.h) || function(tag, data, children) {
-      const el = document.createElement(tag);
-      if (data && data.class) el.className = data.class;
-      if (children) {
-        if (Array.isArray(children)) children.forEach(c => { if (typeof c === 'string') el.appendChild(document.createTextNode(c)); else if (c && c.nodeType) el.appendChild(c); });
-        else if (typeof children === 'string') el.textContent = children;
-      }
-      if (data && data.on) Object.keys(data.on).forEach(ev => el.addEventListener(ev, data.on[ev]));
-    };
 
     const NavbarComponent = {
       name: 'NavbarComponent',
@@ -51,25 +37,32 @@
         isAdmin: { type: Boolean, default: false },
         onLogout: { type: Function, default: null }
       },
-      render(){
-        const createElement = arguments[0] || h;
-        return createElement('nav', { class: 'navbar-component' }, [
-          createElement('div', { class: 'navbar-content', style: { display: 'flex', justifyContent: 'space-between', alignItems: 'center', width: '100%' } }, [
-            createElement('h1', { class: 'navbar-title' }, this.title),
-            createElement('div', { class: 'navbar-user' }, [
-              createElement('div', { class: 'user-info' }, [
-                createElement('div', { class: 'avatar' }, this.username ? this.username.charAt(0).toUpperCase() : '?'),
-                this.username ? createElement('span', this.username) : null
-              ]),
-              this.isAdmin ? createElement('span', { style: { marginLeft: '8px', fontSize: '12px', background: 'rgba(255,255,255,0.3)', padding: '2px 8px', borderRadius: '10px' } }, '管理员') : null,
-              createElement('button', { 
-                class: 'logout-btn',
-                style: { background: 'rgba(255,255,255,0.2)', border: 'none', color: 'white', padding: '6px 12px', borderRadius: '6px', cursor: 'pointer', marginLeft: '12px' },
-                on: { click: () => { if (this.onLogout) this.onLogout(); else window.location.href = '/login.html'; } }
-              }, '退出')
-            ])
-          ])
-        ]);
+      template: `
+        <nav class="navbar-component">
+          <div class="navbar-content" style="display: flex; justify-content: space-between; align-items: center; width: 100%;">
+            <h1 class="navbar-title">{{ title }}</h1>
+            <div class="navbar-user">
+              <div class="user-info">
+                <div class="avatar">{{ username ? username.charAt(0).toUpperCase() : '?' }}</div>
+                <span v-if="username">{{ username }}</span>
+              </div>
+              <span v-if="isAdmin" class="admin-badge">管理员</span>
+              <button class="logout-btn" @click="handleLogout">退出</button>
+            </div>
+          </div>
+        </nav>
+      `,
+      methods: {
+        handleLogout() {
+          if (this.onLogout) {
+            this.onLogout();
+          } else {
+            localStorage.removeItem('authToken');
+            localStorage.removeItem('userRole');
+            localStorage.removeItem('currentUser');
+            window.location.href = '/login.html';
+          }
+        }
       }
     };
 
@@ -80,4 +73,4 @@
 
   window.installNavbar = installNavbar;
   console.log('[Navbar] 脚本已加载');
-})();
+})();