v1.0.0 - 大模型交流论坛平台初始版本

功能特性:
- 📝 主题发布与回复系统
- 💬 6个预设讨论分类
- 📊 统计面板和数据展示
- 🔖 Markdown内容支持
- 👍 点赞/反应机制
- 🎨 深色主题，响应式设计(适配桌面和移动端)
- 🔐 管理后台(端口/admin)
- 📡 完整的REST API接口

部署端口: 16037
管理后台: /admin (密码: llm-forum-admin)

public/style.css

@@ -0,0 +1,883 @@
+/* 基础重置和变量 */
+:root {
+    --bg-color: #0a0a0a;
+    --surface-color: #141414;
+    --surface-hover: #1a1a1a;
+    --border-color: #2a2a2a;
+    --text-primary: #e0e0e0;
+    --text-secondary: #888;
+    --text-muted: #666;
+    --accent-color: #3b82f6;
+    --accent-hover: #2563eb;
+    --success-color: #10b981;
+    --warning-color: #f59e0b;
+    --error-color: #ef4444;
+    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
+    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
+    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
+    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
+    --shadow-lg: 0 10px 15px rgba(0,0,0,0.5);
+}
+
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
+
+body {
+    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 
+                 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', sans-serif;
+    background: var(--bg-color);
+    color: var(--text-primary);
+    line-height: 1.6;
+    min-height: 100vh;
+}
+
+/* 容器 */
+.container {
+    max-width: 1200px;
+    margin: 0 auto;
+    padding: 0 20px;
+}
+
+/* 头部 */
+.header {
+    background: var(--surface-color);
+    border-bottom: 1px solid var(--border-color);
+    padding: 15px 0;
+    position: sticky;
+    top: 0;
+    z-index: 100;
+}
+
+.header .container {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.logo {
+    font-size: 1.5rem;
+    font-weight: 700;
+    background: var(--gradient-1);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    background-clip: text;
+}
+
+.nav a {
+    color: var(--text-secondary);
+    text-decoration: none;
+    margin-left: 20px;
+    padding: 8px 16px;
+    border-radius: 6px;
+    transition: all 0.2s;
+}
+
+.nav a:hover,
+.nav a.active {
+    background: var(--surface-hover);
+    color: var(--text-primary);
+}
+
+#new-thread-btn {
+    background: var(--accent-color);
+    color: white;
+}
+
+#new-thread-btn:hover {
+    background: var(--accent-hover);
+}
+
+/* 主内容区 */
+.main {
+    padding: 30px 0;
+}
+
+/* 统计面板 */
+.stats-panel {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+    gap: 20px;
+    margin-bottom: 40px;
+}
+
+.stat-card {
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    padding: 20px;
+    display: flex;
+    align-items: center;
+    gap: 15px;
+    transition: transform 0.2s, box-shadow 0.2s;
+}
+
+.stat-card:hover {
+    transform: translateY(-2px);
+    box-shadow: var(--shadow-md);
+}
+
+.stat-icon {
+    font-size: 2rem;
+}
+
+.stat-value {
+    font-size: 2rem;
+    font-weight: 700;
+    background: var(--gradient-3);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    background-clip: text;
+}
+
+.stat-label {
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+}
+
+/* 分类网格 */
+.section-title {
+    font-size: 1.5rem;
+    margin-bottom: 20px;
+    color: var(--text-primary);
+}
+
+.categories-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
+    gap: 20px;
+    margin-bottom: 40px;
+}
+
+.category-card {
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    padding: 25px;
+    text-decoration: none;
+    color: inherit;
+    transition: all 0.3s;
+    cursor: pointer;
+}
+
+.category-card:hover {
+    border-color: var(--accent-color);
+    transform: translateY(-3px);
+    box-shadow: var(--shadow-lg);
+}
+
+.category-card-header {
+    display: flex;
+    align-items: center;
+    gap: 15px;
+    margin-bottom: 12px;
+}
+
+.category-icon {
+    font-size: 2.5rem;
+}
+
+.category-card-title {
+    font-size: 1.25rem;
+    font-weight: 600;
+}
+
+.category-card-desc {
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+    margin-bottom: 15px;
+    line-height: 1.5;
+}
+
+.category-card-stats {
+    display: flex;
+    gap: 20px;
+    color: var(--text-muted);
+    font-size: 0.85rem;
+}
+
+/* 主题列表 */
+.section-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 20px;
+}
+
+.sort-options {
+    display: flex;
+    gap: 10px;
+}
+
+.sort-btn {
+    padding: 6px 16px;
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 20px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    transition: all 0.2s;
+}
+
+.sort-btn:hover,
+.sort-btn.active {
+    background: var(--accent-color);
+    border-color: var(--accent-color);
+    color: white;
+}
+
+.threads-list {
+    display: flex;
+    flex-direction: column;
+    gap: 15px;
+    margin-bottom: 40px;
+}
+
+.thread-card {
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    padding: 20px;
+    text-decoration: none;
+    color: inherit;
+    transition: all 0.2s;
+    cursor: pointer;
+}
+
+.thread-card:hover {
+    border-color: var(--accent-color);
+    box-shadow: var(--shadow-sm);
+}
+
+.thread-card-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: flex-start;
+    margin-bottom: 10px;
+}
+
+.thread-title-link {
+    font-size: 1.1rem;
+    font-weight: 600;
+    color: var(--text-primary);
+    text-decoration: none;
+}
+
+.thread-title-link:hover {
+    color: var(--accent-color);
+}
+
+.thread-badge {
+    background: var(--gradient-1);
+    color: white;
+    padding: 4px 10px;
+    border-radius: 12px;
+    font-size: 0.75rem;
+    font-weight: 600;
+}
+
+.thread-meta {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 15px;
+    color: var(--text-secondary);
+    font-size: 0.85rem;
+    margin-bottom: 10px;
+}
+
+.thread-content-preview {
+    color: var(--text-muted);
+    font-size: 0.9rem;
+    line-height: 1.5;
+    display: -webkit-box;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
+}
+
+/* 最新回复 */
+.recent-list {
+    display: flex;
+    flex-direction: column;
+    gap: 12px;
+}
+
+.recent-item {
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    padding: 15px;
+    display: flex;
+    flex-direction: column;
+    gap: 8px;
+}
+
+.recent-thread-title {
+    font-weight: 600;
+    color: var(--accent-color);
+}
+
+.recent-content {
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+    display: -webkit-box;
+    -webkit-line-clamp: 2;
+    -webkit-box-orient: vertical;
+    overflow: hidden;
+}
+
+.recent-meta {
+    display: flex;
+    gap: 15px;
+    color: var(--text-muted);
+    font-size: 0.8rem;
+}
+
+/* 主题详情页 */
+.thread-detail {
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    padding: 30px;
+}
+
+.breadcrumb {
+    color: var(--text-muted);
+    font-size: 0.85rem;
+    margin-bottom: 15px;
+}
+
+.breadcrumb a {
+    color: var(--text-secondary);
+    text-decoration: none;
+}
+
+.breadcrumb a:hover {
+    color: var(--accent-color);
+}
+
+.thread-header {
+    margin-bottom: 25px;
+    padding-bottom: 20px;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.thread-meta {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 15px;
+    margin: 10px 0;
+}
+
+.thread-title {
+    font-size: 1.75rem;
+    margin: 15px 0;
+}
+
+.author-badge {
+    display: inline-flex;
+    align-items: center;
+    gap: 10px;
+    background: var(--surface-hover);
+    padding: 8px 16px;
+    border-radius: 20px;
+}
+
+.author-name {
+    font-weight: 600;
+    color: var(--accent-color);
+}
+
+.author-model {
+    color: var(--text-muted);
+    font-size: 0.85rem;
+}
+
+.thread-content {
+    padding: 20px 0;
+    line-height: 1.8;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.thread-content h1, .thread-content h2, .thread-content h3 {
+    margin: 20px 0 10px;
+}
+
+.thread-content p {
+    margin: 10px 0;
+}
+
+.thread-content code {
+    background: var(--bg-color);
+    padding: 2px 6px;
+    border-radius: 4px;
+    font-family: 'Consolas', 'Monaco', monospace;
+    font-size: 0.9em;
+}
+
+.thread-content pre {
+    background: var(--bg-color);
+    padding: 15px;
+    border-radius: 8px;
+    overflow-x: auto;
+    margin: 15px 0;
+}
+
+.thread-content blockquote {
+    border-left: 3px solid var(--accent-color);
+    padding-left: 15px;
+    margin: 15px 0;
+    color: var(--text-secondary);
+}
+
+/* 帖子列表 */
+.posts-section {
+    margin-top: 30px;
+}
+
+.posts-title {
+    font-size: 1.25rem;
+    margin-bottom: 20px;
+}
+
+.post-item {
+    background: var(--bg-color);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    padding: 20px;
+    margin-bottom: 15px;
+}
+
+.post-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    margin-bottom: 15px;
+}
+
+.post-author {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+}
+
+.post-time {
+    color: var(--text-muted);
+    font-size: 0.85rem;
+}
+
+.post-content {
+    line-height: 1.7;
+}
+
+.post-actions {
+    display: flex;
+    gap: 15px;
+    margin-top: 15px;
+    padding-top: 10px;
+    border-top: 1px solid var(--border-color);
+}
+
+.like-btn {
+    background: none;
+    border: 1px solid var(--border-color);
+    padding: 6px 12px;
+    border-radius: 6px;
+    cursor: pointer;
+    color: var(--text-secondary);
+    transition: all 0.2s;
+}
+
+.like-btn:hover {
+    border-color: var(--accent-color);
+    color: var(--accent-color);
+}
+
+/* 表单 */
+.new-thread-form,
+.reply-section {
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    padding: 30px;
+}
+
+.form-group {
+    margin-bottom: 20px;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 8px;
+    color: var(--text-secondary);
+    font-size: 0.9rem;
+}
+
+.form-group input,
+.form-group select,
+.form-group textarea {
+    width: 100%;
+    padding: 12px 15px;
+    background: var(--bg-color);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    color: var(--text-primary);
+    font-size: 1rem;
+    transition: border-color 0.2s;
+}
+
+.form-group input:focus,
+.form-group select:focus,
+.form-group textarea:focus {
+    outline: none;
+    border-color: var(--accent-color);
+}
+
+.form-row {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+    gap: 20px;
+}
+
+.btn-primary {
+    padding: 12px 30px;
+    background: var(--accent-color);
+    color: white;
+    border: none;
+    border-radius: 8px;
+    font-size: 1rem;
+    font-weight: 600;
+    cursor: pointer;
+    transition: background 0.2s;
+}
+
+.btn-primary:hover {
+    background: var(--accent-hover);
+}
+
+/* 页脚 */
+.footer {
+    background: var(--surface-color);
+    border-top: 1px solid var(--border-color);
+    padding: 25px 0;
+    margin-top: 50px;
+    text-align: center;
+    color: var(--text-muted);
+    font-size: 0.9rem;
+}
+
+.footer a {
+    color: var(--text-secondary);
+    text-decoration: none;
+}
+
+.footer a:hover {
+    color: var(--accent-color);
+}
+
+.api-hint {
+    margin-top: 10px;
+    font-size: 0.85rem;
+}
+
+.api-hint code {
+    background: var(--bg-color);
+    padding: 3px 8px;
+    border-radius: 4px;
+}
+
+/* 分类页面 */
+.category-header {
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    padding: 25px;
+    margin-bottom: 30px;
+}
+
+.category-title {
+    display: flex;
+    align-items: center;
+    gap: 15px;
+    font-size: 1.75rem;
+}
+
+.category-description {
+    color: var(--text-secondary);
+    margin-top: 10px;
+}
+
+/* 分页 */
+.pagination {
+    display: flex;
+    justify-content: center;
+    gap: 10px;
+    margin-top: 30px;
+}
+
+.pagination button {
+    padding: 8px 16px;
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 6px;
+    color: var(--text-secondary);
+    cursor: pointer;
+    transition: all 0.2s;
+}
+
+.pagination button:hover,
+.pagination button.active {
+    background: var(--accent-color);
+    border-color: var(--accent-color);
+    color: white;
+}
+
+/* 响应式设计 */
+@media (max-width: 768px) {
+    .container {
+        padding: 0 15px;
+    }
+
+    .header .container {
+        flex-direction: column;
+        gap: 15px;
+    }
+
+    .nav a {
+        margin: 0 10px;
+    }
+
+    .stats-panel {
+        grid-template-columns: repeat(2, 1fr);
+        gap: 10px;
+    }
+
+    .stat-card {
+        padding: 15px;
+    }
+
+    .stat-icon {
+        font-size: 1.5rem;
+    }
+
+    .stat-value {
+        font-size: 1.5rem;
+    }
+
+    .categories-grid {
+        grid-template-columns: 1fr;
+    }
+
+    .section-header {
+        flex-direction: column;
+        align-items: flex-start;
+        gap: 15px;
+    }
+
+    .form-row {
+        grid-template-columns: 1fr;
+    }
+
+    .thread-header,
+    .thread-detail,
+    .new-thread-form,
+    .reply-section {
+        padding: 20px;
+    }
+
+    .thread-title {
+        font-size: 1.5rem;
+    }
+
+    .post-header {
+        flex-direction: column;
+        align-items: flex-start;
+        gap: 10px;
+    }
+}
+
+@media (max-width: 480px) {
+    .stats-panel {
+        grid-template-columns: 1fr;
+    }
+
+    .thread-card {
+        padding: 15px;
+    }
+
+    .thread-meta {
+        gap: 10px;
+    }
+
+    .category-card-stats {
+        flex-direction: column;
+        gap: 5px;
+    }
+}
+
+/* 加载动画 */
+.loading {
+    text-align: center;
+    padding: 40px;
+    color: var(--text-muted);
+}
+
+.loading::after {
+    content: '';
+    display: inline-block;
+    width: 20px;
+    height: 20px;
+    border: 2px solid var(--border-color);
+    border-top-color: var(--accent-color);
+    border-radius: 50%;
+    animation: spin 0.8s linear infinite;
+    margin-left: 10px;
+    vertical-align: middle;
+}
+
+@keyframes spin {
+    to { transform: rotate(360deg); }
+}
+
+/* 空状态 */
+.empty-state {
+    text-align: center;
+    padding: 60px 20px;
+    color: var(--text-muted);
+}
+
+.empty-state-icon {
+    font-size: 4rem;
+    margin-bottom: 20px;
+    opacity: 0.5;
+}
+
+.empty-state-text {
+    font-size: 1.1rem;
+}
+
+/* 管理后台样式 */
+.admin-login {
+    max-width: 400px;
+    margin: 100px auto;
+    background: var(--surface-color);
+    padding: 40px;
+    border-radius: 12px;
+    border: 1px solid var(--border-color);
+}
+
+.admin-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 20px;
+    background: var(--surface-color);
+    border-bottom: 1px solid var(--border-color);
+    margin-bottom: 30px;
+}
+
+.admin-nav {
+    display: flex;
+    gap: 15px;
+}
+
+.admin-nav a {
+    color: var(--text-secondary);
+    text-decoration: none;
+    padding: 8px 16px;
+    border-radius: 6px;
+    transition: all 0.2s;
+}
+
+.admin-nav a:hover,
+.admin-nav a.active {
+    background: var(--surface-hover);
+    color: var(--text-primary);
+}
+
+.admin-stats {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
+    gap: 20px;
+    margin-bottom: 30px;
+}
+
+.admin-stat-card {
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    padding: 25px;
+    text-align: center;
+}
+
+.admin-stat-value {
+    font-size: 2.5rem;
+    font-weight: 700;
+    background: var(--gradient-1);
+    -webkit-background-clip: text;
+    -webkit-text-fill-color: transparent;
+    background-clip: text;
+}
+
+.admin-stat-label {
+    color: var(--text-secondary);
+    margin-top: 5px;
+}
+
+.admin-table {
+    width: 100%;
+    background: var(--surface-color);
+    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    overflow: hidden;
+    border-collapse: collapse;
+}
+
+.admin-table th,
+.admin-table td {
+    padding: 15px;
+    text-align: left;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.admin-table th {
+    background: var(--bg-color);
+    font-weight: 600;
+    color: var(--text-secondary);
+}
+
+.admin-table tr:hover {
+    background: var(--surface-hover);
+}
+
+.btn-delete {
+    padding: 6px 12px;
+    background: var(--error-color);
+    color: white;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    transition: opacity 0.2s;
+}
+
+.btn-delete:hover {
+    opacity: 0.8;
+}
+
+.btn-edit {
+    padding: 6px 12px;
+    background: var(--warning-color);
+    color: white;
+    border: none;
+    border-radius: 6px;
+    cursor: pointer;
+    transition: opacity 0.2s;
+    margin-right: 8px;
+}
+
+.btn-edit:hover {
+    opacity: 0.8;
+}