diff --git a/src/landppt/web/templates/todo_board.html b/src/landppt/web/templates/todo_board.html
new file mode 100644
index 0000000..2ee1249
--- /dev/null
+++ b/src/landppt/web/templates/todo_board.html
@@ -0,0 +1,5597 @@
+{% extends "base.html" %}
+
+{% block title %}TODO 看板 - {{ todo_board.title }} - LandPPT{% endblock %}
+
+{% block extra_css %}
+<style>
+/* Outline view specific styles */
+.outline-card {
+    transition: all 0.3s ease;
+}
+
+.outline-card:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
+}
+
+.slide-number {
+    background: #3498db;
+    color: white;
+    border-radius: 50%;
+    width: 24px;
+    height: 24px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 0.8em;
+    font-weight: bold;
+}
+
+.slide-number.large {
+    width: 32px;
+    height: 32px;
+    font-size: 1em;
+}
+
+.slide-type-tag {
+    background: #e8f4fd;
+    color: #3498db;
+    padding: 4px 8px;
+    border-radius: 4px;
+    font-size: 0.8em;
+}
+
+.content-points {
+    margin: 0;
+    padding-left: 20px;
+    color: #555;
+    line-height: 1.6;
+}
+
+.content-points li {
+    margin-bottom: 5px;
+}
+
+/* Modal styles */
+.modal {
+    position: fixed;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    background: rgba(0,0,0,0.5);
+    z-index: 1000;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    padding: 20px;
+}
+
+/* Button hover effects */
+.btn:hover {
+    opacity: 0.9;
+    transform: translateY(-1px);
+}
+
+/* Animation for loading states */
+@keyframes spin {
+    0% { transform: rotate(0deg); }
+    100% { transform: rotate(360deg); }
+}
+
+/* 脉冲动画 */
+@keyframes pulse {
+    0% { transform: scale(1); opacity: 1; }
+    50% { transform: scale(1.1); opacity: 0.7; }
+    100% { transform: scale(1); opacity: 1; }
+}
+
+/* 波浪动画 */
+@keyframes wave {
+    0%, 60%, 100% { transform: initial; }
+    30% { transform: translateY(-15px); }
+}
+
+/* 渐变背景动画 */
+@keyframes gradientShift {
+    0% { background-position: 0% 50%; }
+    50% { background-position: 100% 50%; }
+    100% { background-position: 0% 50%; }
+}
+
+/* 打字机效果 */
+@keyframes typing {
+    from { width: 0; }
+    to { width: 100%; }
+}
+
+/* 闪烁光标 */
+@keyframes blink {
+    0%, 50% { opacity: 1; }
+    51%, 100% { opacity: 0; }
+}
+
+/* 进度条动画 */
+@keyframes progressBar {
+    0% { width: 0%; }
+    25% { width: 30%; }
+    50% { width: 60%; }
+    75% { width: 85%; }
+    100% { width: 100%; }
+}
+
+/* 浮动动画 */
+@keyframes float {
+    0%, 100% { transform: translateY(0px); }
+    50% { transform: translateY(-10px); }
+}
+
+/* 等待动画容器样式 */
+.loading-container {
+    text-align: center;
+    padding: 30px 20px;
+    background: linear-gradient(-45deg, #f8f9fa, #e9ecef, #f8f9fa, #e9ecef);
+    background-size: 400% 400%;
+    animation: gradientShift 4s ease infinite;
+    border-radius: 15px;
+    margin: 15px 0;
+    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
+    max-height: 500px;
+    overflow: hidden;
+}
+
+.loading-icon {
+    font-size: 2.5em;
+    color: #3498db;
+    margin-bottom: 15px;
+    animation: pulse 2s ease-in-out infinite;
+}
+
+.loading-title {
+    font-size: 1.2em;
+    font-weight: 600;
+    color: #2c3e50;
+    margin-bottom: 10px;
+}
+
+/* 创意AI大脑思考动画 */
+.brain-container {
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    margin: 20px 0;
+    height: 180px;
+    perspective: 1000px;
+    position: relative;
+}
+
+.ai-brain {
+    position: relative;
+    width: 120px;
+    height: 120px;
+    animation: brainFloat 4s ease-in-out infinite;
+}
+
+@keyframes brainFloat {
+    0%, 100% {
+        transform: translateY(0px) scale(1);
+    }
+    50% {
+        transform: translateY(-10px) scale(1.05);
+    }
+}
+
+.brain-core {
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
+    border-radius: 50%;
+    box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
+    overflow: hidden;
+}
+
+.brain-core::before {
+    content: '';
+    position: absolute;
+    top: 20%;
+    left: 20%;
+    width: 60%;
+    height: 60%;
+    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 70%);
+    border-radius: 50%;
+    animation: brainPulse 2s ease-in-out infinite;
+}
+
+@keyframes brainPulse {
+    0%, 100% {
+        opacity: 0.3;
+        transform: scale(1);
+    }
+    50% {
+        opacity: 0.7;
+        transform: scale(1.1);
+    }
+}
+
+.brain-icon {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    font-size: 48px;
+    color: white;
+    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
+    animation: iconGlow 3s ease-in-out infinite;
+}
+
+@keyframes iconGlow {
+    0%, 100% {
+        text-shadow: 0 2px 10px rgba(0,0,0,0.3);
+    }
+    50% {
+        text-shadow: 0 2px 20px rgba(255,255,255,0.5), 0 0 30px rgba(102, 126, 234, 0.8);
+    }
+}
+
+/* 思维连接线动画 */
+.neural-network {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    pointer-events: none;
+}
+
+.neural-line {
+    position: absolute;
+    background: linear-gradient(90deg, transparent 0%, rgba(102, 126, 234, 0.6) 50%, transparent 100%);
+    border-radius: 2px;
+    opacity: 0;
+    animation: neuralPulse 3s ease-in-out infinite;
+}
+
+.neural-line:nth-child(1) {
+    top: 30%;
+    left: -20%;
+    width: 60px;
+    height: 2px;
+    transform: rotate(45deg);
+    animation-delay: 0s;
+}
+
+.neural-line:nth-child(2) {
+    top: 60%;
+    right: -20%;
+    width: 50px;
+    height: 2px;
+    transform: rotate(-30deg);
+    animation-delay: 0.5s;
+}
+
+.neural-line:nth-child(3) {
+    bottom: 20%;
+    left: -15%;
+    width: 45px;
+    height: 2px;
+    transform: rotate(-45deg);
+    animation-delay: 1s;
+}
+
+.neural-line:nth-child(4) {
+    top: 20%;
+    right: -15%;
+    width: 55px;
+    height: 2px;
+    transform: rotate(60deg);
+    animation-delay: 1.5s;
+}
+
+@keyframes neuralPulse {
+    0%, 70% {
+        opacity: 0;
+        transform: scale(0.5) rotate(var(--rotation, 0deg));
+    }
+    10%, 60% {
+        opacity: 1;
+        transform: scale(1) rotate(var(--rotation, 0deg));
+    }
+    100% {
+        opacity: 0;
+        transform: scale(0.5) rotate(var(--rotation, 0deg));
+    }
+}
+
+/* 思考气泡动画 */
+.thought-bubbles {
+    position: absolute;
+    top: -20px;
+    left: 50%;
+    transform: translateX(-50%);
+    width: 200px;
+    height: 60px;
+}
+
+.thought-bubble {
+    position: absolute;
+    background: rgba(255, 255, 255, 0.9);
+    border-radius: 50%;
+    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
+    opacity: 0;
+    animation: bubbleFloat 4s ease-in-out infinite;
+}
+
+.thought-bubble:nth-child(1) {
+    width: 12px;
+    height: 12px;
+    bottom: 0;
+    left: 45%;
+    animation-delay: 0s;
+}
+
+.thought-bubble:nth-child(2) {
+    width: 18px;
+    height: 18px;
+    bottom: 15px;
+    left: 35%;
+    animation-delay: 0.3s;
+}
+
+.thought-bubble:nth-child(3) {
+    width: 24px;
+    height: 24px;
+    bottom: 35px;
+    left: 25%;
+    animation-delay: 0.6s;
+}
+
+@keyframes bubbleFloat {
+    0%, 80% {
+        opacity: 0;
+        transform: translateY(20px) scale(0.5);
+    }
+    10%, 70% {
+        opacity: 1;
+        transform: translateY(0px) scale(1);
+    }
+    100% {
+        opacity: 0;
+        transform: translateY(-10px) scale(0.8);
+    }
+}
+
+/* 进度环动画 */
+.progress-ring {
+    position: absolute;
+    top: -10px;
+    left: -10px;
+    width: 140px;
+    height: 140px;
+}
+
+.progress-ring-circle {
+    fill: none;
+    stroke: rgba(102, 126, 234, 0.3);
+    stroke-width: 3;
+    stroke-linecap: round;
+    transform-origin: 50% 50%;
+    transform: rotate(-90deg);
+    animation: progressRotate 8s linear infinite;
+}
+
+.progress-ring-progress {
+    fill: none;
+    stroke: #667eea;
+    stroke-width: 3;
+    stroke-linecap: round;
+    stroke-dasharray: 440;
+    stroke-dashoffset: 440;
+    transform-origin: 50% 50%;
+    transform: rotate(-90deg);
+    animation: progressFill 8s ease-in-out infinite;
+}
+
+@keyframes progressRotate {
+    0% {
+        transform: rotate(-90deg);
+    }
+    100% {
+        transform: rotate(270deg);
+    }
+}
+
+@keyframes progressFill {
+    0%, 20% {
+        stroke-dashoffset: 440;
+    }
+    80%, 100% {
+        stroke-dashoffset: 0;
+    }
+}
+
+/* 文字生成效果 */
+.text-generation {
+    position: absolute;
+    bottom: -40px;
+    left: 50%;
+    transform: translateX(-50%);
+    width: 200px;
+    text-align: center;
+}
+
+.generating-text {
+    color: #667eea;
+    font-size: 14px;
+    font-weight: 600;
+    margin-bottom: 8px;
+    opacity: 0;
+    animation: textFade 4s ease-in-out infinite;
+}
+
+.generating-dots {
+    color: #667eea;
+    font-size: 16px;
+    letter-spacing: 2px;
+    animation: dotsAnimation 2s ease-in-out infinite;
+}
+
+@keyframes textFade {
+    0%, 20% {
+        opacity: 0;
+        transform: translateY(10px);
+    }
+    30%, 70% {
+        opacity: 1;
+        transform: translateY(0px);
+    }
+    80%, 100% {
+        opacity: 0;
+        transform: translateY(-10px);
+    }
+}
+
+@keyframes dotsAnimation {
+    0%, 20% {
+        opacity: 0.3;
+    }
+    50% {
+        opacity: 1;
+    }
+    100% {
+        opacity: 0.3;
+    }
+}
+
+/* 完成状态动画 */
+.ai-brain.completed {
+    animation: brainComplete 2s ease-out forwards;
+}
+
+.ai-brain.completed .brain-core {
+    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 50%, #58d68d 100%);
+    animation: completionGlow 1.5s ease-out;
+}
+
+.ai-brain.completed .brain-icon::before {
+    content: '✓';
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+    font-size: 32px;
+    color: white;
+    animation: checkmarkAppear 1s ease-out;
+}
+
+@keyframes brainComplete {
+    0% {
+        transform: translateY(0px) scale(1);
+    }
+    50% {
+        transform: translateY(-20px) scale(1.2);
+    }
+    100% {
+        transform: translateY(-5px) scale(1.1);
+    }
+}
+
+@keyframes completionGlow {
+    0% {
+        box-shadow: 0 8px 32px rgba(102, 126, 234, 0.3);
+    }
+    50% {
+        box-shadow: 0 12px 48px rgba(39, 174, 96, 0.6);
+    }
+    100% {
+        box-shadow: 0 10px 40px rgba(39, 174, 96, 0.4);
+    }
+}
+
+@keyframes checkmarkAppear {
+    0% {
+        opacity: 0;
+        transform: translate(-50%, -50%) scale(0.3);
+    }
+    50% {
+        opacity: 1;
+        transform: translate(-50%, -50%) scale(1.3);
+    }
+    100% {
+        opacity: 1;
+        transform: translate(-50%, -50%) scale(1);
+    }
+}
+
+.progress-container {
+    width: 100%;
+    height: 6px;
+    background: #e9ecef;
+    border-radius: 3px;
+    margin: 20px 0;
+    overflow: hidden;
+}
+
+.progress-bar {
+    height: 100%;
+    background: linear-gradient(90deg, #3498db, #2ecc71);
+    border-radius: 3px;
+    animation: progressBar 15s ease-in-out infinite;
+}
+
+.loading-tips {
+    margin-top: 20px;
+    padding: 12px;
+    background: rgba(52, 152, 219, 0.1);
+    border-radius: 8px;
+    border-left: 4px solid #3498db;
+}
+
+.loading-tips h5 {
+    color: #2c3e50;
+    margin-bottom: 8px;
+    font-size: 1em;
+}
+
+.loading-tips p {
+    color: #666;
+    margin: 0;
+    font-size: 0.9em;
+    line-height: 1.4;
+}
+
+@keyframes blink {
+    0%, 50% { opacity: 1; }
+    51%, 100% { opacity: 0; }
+}
+
+/* 表单美化 */
+.form-group {
+    margin-bottom: 25px;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 8px;
+    color: #2c3e50;
+    font-weight: 600;
+    font-size: 14px;
+}
+
+.form-group input,
+.form-group select,
+.form-group textarea {
+    width: 100%;
+    padding: 12px 16px;
+    border: 2px solid #e9ecef;
+    border-radius: 10px;
+    font-size: 14px;
+    transition: all 0.3s ease;
+    background: white;
+}
+
+.form-group input:focus,
+.form-group select:focus,
+.form-group textarea:focus {
+    outline: none;
+    border-color: #667eea;
+    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
+    transform: translateY(-1px);
+}
+
+/* 按钮美化 */
+.btn {
+    padding: 12px 24px;
+    border-radius: 10px;
+    font-weight: 600;
+    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
+    border: none;
+    cursor: pointer;
+    display: inline-flex;
+    align-items: center;
+    gap: 8px;
+    text-decoration: none;
+    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
+}
+
+.btn:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
+}
+
+.btn-primary {
+    background: linear-gradient(135deg, #667eea, #764ba2);
+    color: white;
+}
+
+.btn-success {
+    background: linear-gradient(135deg, #27ae60, #229954);
+    color: white;
+}
+
+.btn-outline-primary {
+    background: transparent;
+    color: #667eea;
+    border: 2px solid #667eea;
+}
+
+.btn-outline-primary:hover {
+    background: #667eea;
+    color: white;
+}
+
+.btn-secondary {
+    background: linear-gradient(135deg, #95a5a6, #7f8c8d);
+    color: white;
+}
+
+/* 小尺寸按钮 */
+.btn-sm {
+    padding: 8px 16px;
+    font-size: 13px;
+    gap: 6px;
+}
+
+.btn-xs {
+    padding: 6px 12px;
+    font-size: 12px;
+    gap: 4px;
+}
+
+/* 大纲相关按钮样式 */
+.btn-outline-warning {
+    background: transparent;
+    color: #f39c12;
+    border: 2px solid #f39c12;
+}
+
+.btn-outline-warning:hover {
+    background: #f39c12;
+    color: white;
+}
+
+.btn-info {
+    background: linear-gradient(135deg, #3498db, #2980b9);
+    color: white;
+}
+
+/* 响应式设计 */
+@media (max-width: 768px) {
+    .scenarios-hero {
+        padding: 30px 15px;
+        margin: -20px -15px 30px -15px;
+    }
+
+    .scenarios-hero h2 {
+        font-size: 1.8em;
+    }
+
+    #requirements-section {
+        margin: 15px;
+        padding: 25px 20px;
+    }
+
+    .btn-group-custom {
+        flex-direction: column;
+        gap: 10px;
+    }
+
+    .btn-group-custom a {
+        width: 100%;
+        justify-content: center;
+    }
+}
+</style>
+{% endblock %}
+
+{% block content %}
+<!-- 页面头部美化 -->
+<div style="background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 40px 0; margin: -20px -20px 30px -20px; text-align: center; position: relative; overflow: hidden;">
+    <div style="position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: url('data:image/svg+xml,<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 100 100\"><defs><pattern id=\"dots\" width=\"20\" height=\"20\" patternUnits=\"userSpaceOnUse\"><circle cx=\"10\" cy=\"10\" r=\"1\" fill=\"white\" opacity=\"0.1\"/></pattern></defs><rect width=\"100\" height=\"100\" fill=\"url(%23dots)\"/></svg></div>
+    <div style="position: relative; z-index: 1;">
+        <h2 style="font-size: 2em; font-weight: 700; margin-bottom: 12px; text-shadow: 0 2px 10px rgba(0,0,0,0.3);">📋 {{ todo_board.title }}</h2>
+        <p style="opacity: 0.9; font-size: 1em;">项目ID: <code style="background: rgba(255,255,255,0.2); padding: 4px 10px; border-radius: 6px; font-family: 'Consolas', monospace; font-size: 0.9em;">{{ todo_board.task_id }}</code></p>
+    </div>
+</div>
+
+    <!-- Requirements Confirmation Section -->
+    {% set requirements_stage = todo_board.stages | selectattr('id', 'equalto', 'requirements_confirmation') | first %}
+    {% if requirements_stage and requirements_stage.status == 'pending' %}
+    <div id="requirements-section" style="max-width: 900px; margin: 15px auto; background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%); border-radius: 16px; padding: 30px; box-shadow: 0 10px 30px rgba(0,0,0,0.08); border: 1px solid rgba(102, 126, 234, 0.15);">
+        <div style="text-align: center; margin-bottom: 25px;">
+            <div style="display: inline-block; background: linear-gradient(135deg, #667eea, #764ba2); color: white; padding: 12px 20px; border-radius: 40px; margin-bottom: 15px; box-shadow: 0 6px 20px rgba(102, 126, 234, 0.25);">
+                <h3 style="margin: 0; font-weight: 600; font-size: 1.1em;">📝 需求确认</h3>
+            </div>
+            <p style="color: #7f8c8d; margin-bottom: 0; font-size: 1em; line-height: 1.5;">请确认以下信息，AI将根据您的确认生成定制化的PPT内容</p>
+        </div>
+
+        <!-- Loading indicator for requirements form -->
+        <div id="ai-loading" class="loading-container" style="display: block;">
+            <div class="loading-icon">
+                <i class="fas fa-cog"></i>
+            </div>
+            <div class="loading-title">正在准备需求表单</div>
+            <div class="progress-container">
+                <div class="progress-bar" style="animation-duration: 2s;"></div>
+            </div>
+            <div class="loading-tips">
+                <h5><i class="fas fa-info-circle"></i> 提示</h5>
+                <p>请稍候，系统正在为您准备项目需求确认表单...</p>
+            </div>
+        </div>
+
+        <form id="requirements-form" style="text-align: left; display: none;" enctype="multipart/form-data">
+
+            <!-- Content Source Selection -->
+            <div style="margin-bottom: 20px;">
+                <label style="display: block; margin-bottom: 8px; color: #2c3e50; font-weight: bold;">内容来源选择</label>
+                <div style="display: flex; gap: 15px; margin-bottom: 15px;">
+                    <label style="display: flex; align-items: center; cursor: pointer;">
+                        <input type="radio" name="content_source" value="manual" checked onchange="toggleContentSourceTodo()" style="margin-right: 8px;">
+                        <span>手动输入主题</span>
+                    </label>
+                    <label style="display: flex; align-items: center; cursor: pointer;">
+                        <input type="radio" name="content_source" value="file" onchange="toggleContentSourceTodo()" style="margin-right: 8px;">
+                        <span>从文件生成</span>
+                    </label>
+                </div>
+            </div>
+
+            <!-- File Upload Section (hidden by default) -->
+            <div id="file-upload-section-todo" style="display: none; margin-bottom: 20px; padding: 15px; background: #f8f9fa; border-radius: 8px; border: 1px solid #e9ecef;">
+                <label style="display: block; margin-bottom: 8px; color: #2c3e50; font-weight: bold;">📁 上传文件 (支持多文件)</label>
+                <input type="file" id="file_upload_todo" name="file_upload" accept=".pdf,.docx,.txt,.md,.jpg,.jpeg,.png,.xlsx,.csv"
+                       multiple
+                       style="width: 100%; padding: 8px; border: 2px dashed #3498db; background: #f8f9fa; border-radius: 6px;">
+                <small style="color: #7f8c8d; display: block; margin-top: 5px;">
+                    📌 支持同时选择多个文件 | 支持 PDF、DOCX、TXT、MD 等格式 | 单个文件最大 100MB
+                </small>
+
+                <!-- Multiple Files List Display -->
+                <div id="selected-files-list-todo" style="margin-top: 10px; display: none;">
+                    <div style="background: white; padding: 10px; border-radius: 6px; border: 1px solid #e0e0e0;">
+                        <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px;">
+                            <strong style="color: #2c3e50;">已选择的文件：</strong>
+                            <button type="button" onclick="clearAllFiles()"
+                                    style="padding: 4px 12px; background: #e74c3c; color: white; border: none; border-radius: 4px; cursor: pointer; font-size: 12px;">
+                                清除所有
+                            </button>
+                        </div>
+                        <div id="files-list-container-todo" style="max-height: 200px; overflow-y: auto;">
+                            <!-- Files will be listed here -->
+                        </div>
+                    </div>
+                </div>
+
+                <!-- File Processing Options -->
+                <div id="file-processing-options-todo" style="margin-top: 15px; padding: 15px; background: white; border-radius: 8px; border: 1px solid #e9ecef; display: none;">
+                    <h6 style="margin-bottom: 10px; color: #2c3e50;">文件处理选项</h6>
+
+                    <div style="display: flex; flex-wrap: wrap; gap: 15px;">
+                        <!-- PDF专用处理方式选项 -->
+                        <div id="pdf-processing-mode-todo" style="display: none; flex: 1; min-width: 200px;">
+                            <label style="display: block; margin-bottom: 5px; color: #2c3e50; font-weight: normal;">处理方式：</label>
+                            <select name="file_processing_mode" style="width: 100%; padding: 8px; border: 1px solid #ddd; border-radius: 4px;">
+                                <option value="markitdown">标准处理 (MarkItDown)</option>
+                                <option value="magic_pdf">高质量处理 (Mineru)</option>
+                            </select>
+                        </div>
+
+                        <!-- 通用解析深度选项 -->
+                        <div style="flex: 1; min-width: 200px;">
+                            <label style="display: block; margin-bottom: 5px; color: #2c3e50; font-weight: normal;">解析深度：</label>
+                            <select name="content_analysis_depth" style="width: 100%; padding: 8px; border: 1px solid #ddd; border-radius: 4px;">
+                                <option value="fast" selected>快速解析</option>
+                                <option value="standard">标准解析</option>
+                                <option value="deep">深度解析</option>
+                            </select>
+                        </div>
+                    </div>
+                </div>
+            </div>
+
+            <div style="display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px;">
+                <div>
+                    <label style="display: block; margin-bottom: 8px; color: #2c3e50; font-weight: bold;">主题 (Topic)</label>
+                    <input type="text" id="topic" name="topic" value="{{ todo_board.title.split(' - ')[0] if ' - ' in todo_board.title else todo_board.title }}"
+                           style="width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 14px;" required>
+                    <small style="color: #7f8c8d; font-size: 12px; margin-top: 5px; display: block;">文件上传时可留空，将自动从文件提取标题</small>
+                </div>
+                <div>
+                    <label style="display: block; margin-bottom: 8px; color: #2c3e50; font-weight: bold;">目标受众 (Target Audience)</label>
+                    <div style="margin-bottom: 10px;">
+                        <select id="audience_type" name="audience_type" style="width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 14px;" onchange="toggleCustomAudience()" required>
+                            <option value="">请选择目标受众</option>
+                            <option value="企业管理层">企业管理层</option>
+                            <option value="技术团队">技术团队</option>
+                            <option value="销售团队">销售团队</option>
+                            <option value="学生群体">学生群体</option>
+                            <option value="学术研究者">学术研究者</option>
+                            <option value="投资人">投资人</option>
+                            <option value="客户群体">客户群体</option>
+                            <option value="培训学员">培训学员</option>
+                            <option value="项目团队">项目团队</option>
+                            <option value="行业专家">行业专家</option>
+                            <option value="普通大众">普通大众</option>
+                            <option value="自定义">自定义受众</option>
+                        </select>
+                    </div>
+                    <!-- 自定义受众输入框 -->
+                    <div id="custom-audience-section" style="display: none;">
+                        <input type="text" id="custom_audience" name="custom_audience"
+                               placeholder="请描述您的目标受众，例如：初级程序员、产品经理、高中生等..."
+                               style="width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 14px;">
+                        <small style="color: #7f8c8d; font-size: 12px; margin-top: 5px; display: block;">详细描述您的目标受众特征，AI将据此调整内容深度和表达方式</small>
+                    </div>
+                </div>
+            </div>
+
+
+
+
+
+            <div style="margin-bottom: 25px;">
+                <label style="display: block; margin-bottom: 8px; color: #2c3e50; font-weight: bold;">PPT页数设置 (Page Count)</label>
+                <p style="font-size: 12px; color: #7f8c8d; margin-bottom: 15px;">选择PPT的页数生成方式：</p>
+                <div style="display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 15px;">
+                    <div class="page-count-option active" data-mode="ai_decide" style="border: 2px solid #3498db; border-radius: 10px; padding: 15px; cursor: pointer; text-align: center; transition: all 0.3s ease;">
+                        <div style="font-size: 24px; margin-bottom: 8px;">🤖</div>
+                        <h5 style="color: #2c3e50; margin-bottom: 5px;">AI智能决定</h5>
+                        <p style="font-size: 12px; color: #7f8c8d;">AI根据内容深度和逻辑结构自主决定最合适的页数</p>
+                    </div>
+                    <div class="page-count-option" data-mode="custom_range" style="border: 2px solid #ddd; border-radius: 10px; padding: 15px; cursor: pointer; text-align: center; transition: all 0.3s ease;">
+                        <div style="font-size: 24px; margin-bottom: 8px;">📊</div>
+                        <h5 style="color: #2c3e50; margin-bottom: 5px;">自定义范围</h5>
+                        <p style="font-size: 12px; color: #7f8c8d;">在指定范围内生成PPT页数</p>
+                    </div>
+                </div>
+                <input type="hidden" id="page_count_mode" name="page_count_mode" value="ai_decide">
+
+                <!-- Custom range section (hidden by default) -->
+                <div id="custom-range-section" style="display: none; margin-top: 15px; padding: 15px; background: #f8f9fa; border-radius: 8px; border: 1px solid #e9ecef;">
+                    <div style="display: flex; gap: 15px; align-items: center;">
+                        <div style="flex: 1;">
+                            <label style="display: block; margin-bottom: 5px; color: #2c3e50; font-weight: bold;">最少页数</label>
+                            <input type="number" id="min_pages" name="min_pages" value="8" min="5" max="50"
+                                   style="width: 100%; padding: 8px; border: 1px solid #ddd; border-radius: 6px;">
+                        </div>
+                        <div style="flex: 1;">
+                            <label style="display: block; margin-bottom: 5px; color: #2c3e50; font-weight: bold;">最多页数</label>
+                            <input type="number" id="max_pages" name="max_pages" value="15" min="5" max="50"
+                                   style="width: 100%; padding: 8px; border: 1px solid #ddd; border-radius: 6px;">
+                        </div>
+                    </div>
+                    <p style="font-size: 12px; color: #7f8c8d; margin-top: 10px; margin-bottom: 0;">
+                        建议范围：5-50页，AI会在此范围内生成最合适的页数
+                    </p>
+                </div>
+            </div>
+
+            <div style="margin-bottom: 25px;">
+                <label style="display: block; margin-bottom: 8px; color: #2c3e50; font-weight: bold;">PPT风格 (Style)</label>
+                <p style="font-size: 12px; color: #7f8c8d; margin-bottom: 15px;">选择适合您内容的PPT风格：</p>
+                <div style="display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 15px; margin-bottom: 15px;">
+                    <div class="style-option" data-style="general" style="border: 2px solid #ddd; border-radius: 10px; padding: 15px; cursor: pointer; text-align: center; transition: all 0.3s ease;">
+                        <div style="font-size: 24px; margin-bottom: 8px;">📋</div>
+                        <h5 style="color: #2c3e50; margin-bottom: 5px;">通用场景</h5>
+                        <p style="font-size: 12px; color: #7f8c8d;">适用于商务汇报、学术演讲等通用场景</p>
+                    </div>
+                    <div class="style-option" data-style="keynote" style="border: 2px solid #ddd; border-radius: 10px; padding: 15px; cursor: pointer; text-align: center; transition: all 0.3s ease;">
+                        <div style="font-size: 24px; margin-bottom: 8px;">🎯</div>
+                        <h5 style="color: #2c3e50; margin-bottom: 5px;">发布会</h5>
+                        <p style="font-size: 12px; color: #7f8c8d;">Apple风格发布会，卡片式布局，科技感强</p>
+                    </div>
+                    <div class="style-option" data-style="custom" style="border: 2px solid #ddd; border-radius: 10px; padding: 15px; cursor: pointer; text-align: center; transition: all 0.3s ease;">
+                        <div style="font-size: 24px; margin-bottom: 8px;">🎨</div>
+                        <h5 style="color: #2c3e50; margin-bottom: 5px;">自定义风格</h5>
+                        <p style="font-size: 12px; color: #7f8c8d;">使用自定义提示词定制独特风格</p>
+                    </div>
+                </div>
+                <input type="hidden" id="ppt_style" name="ppt_style" value="general" required>
+
+                <!-- Custom style prompt input (hidden by default) -->
+                <div id="custom-style-section" style="display: none; margin-top: 15px; padding: 15px; background: #f8f9fa; border-radius: 8px; border: 1px solid #e9ecef;">
+                    <label style="display: block; margin-bottom: 8px; color: #2c3e50; font-weight: bold;">自定义风格提示词</label>
+                    <textarea id="custom_style_prompt" name="custom_style_prompt"
+                              style="width: 100%; height: 120px; padding: 12px; border: 1px solid #ddd; border-radius: 8px; font-size: 14px; resize: vertical;"
+                              placeholder="请输入您希望的PPT风格描述，例如：简约现代风格，使用蓝色主题，卡片式布局..."></textarea>
+                    <p style="font-size: 12px; color: #7f8c8d; margin-top: 5px;">详细描述您期望的PPT风格，AI将根据您的描述生成相应的设计</p>
+                </div>
+            </div>
+
+            <div style="text-align: center;">
+                <button type="submit" id="confirm-requirements-btn"
+                        style="background: #27ae60; color: white; border: none; padding: 15px 30px; border-radius: 8px; font-size: 16px; cursor: pointer; font-weight: bold;">
+                    🚀 确认需求并跳转到大纲生成
+                </button>
+            </div>
+        </form>
+    </div>
+    {% endif %}
+
+<!-- Project Actions -->
+<div style="text-align: center; margin-bottom: 40px;">
+    <div style="display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; background: white; padding: 20px; border-radius: 16px; box-shadow: 0 8px 25px rgba(0,0,0,0.08);">
+        <a href="/projects/{{ todo_board.task_id }}" style="background: linear-gradient(135deg, #3498db, #2980b9); color: white; text-decoration: none; padding: 10px 20px; border-radius: 10px; font-weight: 600; transition: all 0.3s ease; box-shadow: 0 3px 12px rgba(52, 152, 219, 0.25); display: flex; align-items: center; gap: 6px; font-size: 0.9em;" onmouseover="this.style.transform='translateY(-2px)'; this.style.boxShadow='0 5px 16px rgba(52, 152, 219, 0.35)'" onmouseout="this.style.transform='translateY(0)'; this.style.boxShadow='0 3px 12px rgba(52, 152, 219, 0.25)'">
+            📊 项目详情
+        </a>
+
+        {% if todo_board.overall_progress >= 100 %}
+        <a href="/projects/{{ todo_board.task_id }}/preview" target="_blank" style="background: linear-gradient(135deg, #27ae60, #229954); color: white; text-decoration: none; padding: 10px 20px; border-radius: 10px; font-weight: 600; transition: all 0.3s ease; box-shadow: 0 3px 12px rgba(39, 174, 96, 0.25); display: flex; align-items: center; gap: 6px; font-size: 0.9em;" onmouseover="this.style.transform='translateY(-2px)'; this.style.boxShadow='0 5px 16px rgba(39, 174, 96, 0.35)'" onmouseout="this.style.transform='translateY(0)'; this.style.boxShadow='0 3px 12px rgba(39, 174, 96, 0.25)'">
+            🔍 预览 PPT
+        </a>
+        <a href="/projects/{{ todo_board.task_id }}/edit" target="_blank" style="background: linear-gradient(135deg, #e74c3c, #c0392b); color: white; text-decoration: none; padding: 10px 20px; border-radius: 10px; font-weight: 600; transition: all 0.3s ease; box-shadow: 0 3px 12px rgba(231, 76, 60, 0.25); display: flex; align-items: center; gap: 6px; font-size: 0.9em;" onmouseover="this.style.transform='translateY(-2px)'; this.style.boxShadow='0 5px 16px rgba(231, 76, 60, 0.35)'" onmouseout="this.style.transform='translateY(0)'; this.style.boxShadow='0 3px 12px rgba(231, 76, 60, 0.25)'">
+            ✏️ 编辑 PPT
+        </a>
+        {% endif %}
+
+        <a href="/projects" style="background: linear-gradient(135deg, #95a5a6, #7f8c8d); color: white; text-decoration: none; padding: 10px 20px; border-radius: 10px; font-weight: 600; transition: all 0.3s ease; box-shadow: 0 3px 12px rgba(149, 165, 166, 0.25); display: flex; align-items: center; gap: 6px; font-size: 0.9em;" onmouseover="this.style.transform='translateY(-2px)'; this.style.boxShadow='0 5px 16px rgba(149, 165, 166, 0.35)'" onmouseout="this.style.transform='translateY(0)'; this.style.boxShadow='0 3px 12px rgba(149, 165, 166, 0.25)'">
+            📋 返回项目列表
+        </a>
+    </div>
+</div>
+
+<!-- Task execution is now handled directly in the stage cards -->
+
+<style>
+@keyframes spin {
+    0% { transform: rotate(0deg); }
+    100% { transform: rotate(360deg); }
+}
+
+@keyframes blink {
+    0%, 50% { opacity: 1; }
+    51%, 100% { opacity: 0; }
+}
+
+.todo-stage {
+    transition: all 0.3s ease;
+}
+
+.todo-stage:hover {
+    transform: translateY(-2px);
+    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
+}
+
+.btn {
+    transition: all 0.3s ease;
+}
+
+.btn:hover {
+    transform: translateY(-1px);
+}
+
+.btn-stream:hover {
+    background: #2980b9 !important;
+    transform: scale(1.05);
+}
+
+.task-item {
+    transition: all 0.3s ease;
+}
+
+.task-item.active {
+    background: #e8f4fd !important;
+    border-left: 4px solid #3498db;
+}
+
+.output-cursor {
+    display: inline-block;
+}
+
+.output-cursor.hidden {
+    display: none;
+}
+
+.style-option {
+    transition: all 0.3s ease;
+}
+
+.style-option:hover {
+    border-color: #3498db !important;
+    transform: translateY(-2px);
+    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
+}
+
+.style-option.selected {
+    border-color: #3498db !important;
+    background: #e8f4fd !important;
+    transform: translateY(-1px);
+    box-shadow: 0 2px 10px rgba(52, 152, 219, 0.3);
+}
+
+.page-count-option {
+    transition: all 0.3s ease;
+}
+
+.page-count-option:hover {
+    border-color: #3498db !important;
+    transform: translateY(-2px);
+    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.2);
+}
+
+.page-count-option.active {
+    border-color: #3498db !important;
+    background: #e8f4fd !important;
+    transform: translateY(-1px);
+    box-shadow: 0 2px 10px rgba(52, 152, 219, 0.3);
+}
+</style>
+{% endblock %}
+
+{% block extra_js %}
+<script>
+let currentProjectId = '{{ todo_board.task_id }}';
+let outlineGenerationStarted = false; // 防止重复调用大纲生成
+
+// Page count selection functionality
+function initializePageCountSelection() {
+    const pageCountOptions = document.querySelectorAll('.page-count-option');
+    const pageCountModeInput = document.getElementById('page_count_mode');
+    const customRangeSection = document.getElementById('custom-range-section');
+
+    pageCountOptions.forEach(option => {
+        option.addEventListener('click', function() {
+            // Remove active class from all options
+            pageCountOptions.forEach(opt => opt.classList.remove('active'));
+
+            // Add active class to clicked option
+            this.classList.add('active');
+
+            // Update hidden input value
+            const selectedMode = this.getAttribute('data-mode');
+            pageCountModeInput.value = selectedMode;
+
+            // Show/hide custom range section
+            if (selectedMode === 'custom_range') {
+                customRangeSection.style.display = 'block';
+            } else {
+                customRangeSection.style.display = 'none';
+            }
+
+            // Update visual styles
+            updatePageCountStyles();
+        });
+    });
+
+    // Set default selection
+    const defaultOption = document.querySelector('.page-count-option[data-mode="ai_decide"]');
+    if (defaultOption) {
+        defaultOption.classList.add('active');
+    }
+
+    // Initialize visual styles
+    updatePageCountStyles();
+}
+
+// Update page count option visual styles
+function updatePageCountStyles() {
+    const pageCountOptions = document.querySelectorAll('.page-count-option');
+    pageCountOptions.forEach(option => {
+        if (option.classList.contains('active')) {
+            option.style.borderColor = '#3498db';
+            option.style.background = '#e8f4fd';
+        } else {
+            option.style.borderColor = '#ddd';
+            option.style.background = 'white';
+        }
+    });
+}
+
+// Style selection functionality
+function initializeStyleSelection() {
+    const styleOptions = document.querySelectorAll('.style-option');
+    const pptStyleInput = document.getElementById('ppt_style');
+    const customStyleSection = document.getElementById('custom-style-section');
+
+    styleOptions.forEach(option => {
+        option.addEventListener('click', function() {
+            // Remove selected class from all options
+            styleOptions.forEach(opt => opt.classList.remove('selected'));
+
+            // Add selected class to clicked option
+            this.classList.add('selected');
+
+            // Update hidden input value
+            const selectedStyle = this.getAttribute('data-style');
+            pptStyleInput.value = selectedStyle;
+
+            // Show/hide custom style section
+            if (selectedStyle === 'custom') {
+                customStyleSection.style.display = 'block';
+            } else {
+                customStyleSection.style.display = 'none';
+            }
+        });
+    });
+
+    // Set default selection
+    const defaultOption = document.querySelector('.style-option[data-style="general"]');
+    if (defaultOption) {
+        defaultOption.classList.add('selected');
+    }
+}
+
+// Initialize outline display for completed stages
+function initializeOutlineDisplay() {
+    // Check if outline generation stage is completed and has content
+    const outlineStage = document.querySelector('[data-stage-id="outline_generation"]');
+    if (outlineStage) {
+        const statusIcon = outlineStage.querySelector('.stage-status-icon');
+        if (statusIcon && statusIcon.textContent === '✓') {
+            // Stage is completed, ensure output area is visible
+            const outputDiv = document.getElementById('outline-output-outline_generation');
+            if (outputDiv) {
+                outputDiv.style.display = 'block';
+
+                // Hide cursor for completed stage
+                const cursorDiv = document.getElementById('outline-cursor-outline_generation');
+                if (cursorDiv) {
+                    cursorDiv.style.display = 'none';
+                }
+            }
+        }
+    }
+}
+
+// AI大脑思考动画控制函数
+let brainAnimationInterval = null;
+let activeBrains = new Set();
+
+function startBrainAnimation(prefix = '') {
+    const brainId = prefix ? `loading-brain-${prefix}` : 'loading-brain';
+    const brain = document.getElementById(brainId);
+
+    if (!brain) return;
+
+    // 添加到活动大脑集合
+    activeBrains.add(prefix);
+
+    // 启动大脑思考状态
+    brain.classList.remove('completed');
+
+    // 创建动态文字效果
+    function updateThinkingText() {
+        if (!activeBrains.has(prefix)) return;
+
+        const textElement = brain.querySelector('.generating-text');
+        if (textElement) {
+            const texts = [
+                '正在分析内容结构',
+                '正在构建逻辑框架',
+                '正在优化大纲层次',
+                '正在完善内容要点',
+                '正在生成PPT大纲'
+            ];
+
+            const randomText = texts[Math.floor(Math.random() * texts.length)];
+            textElement.textContent = randomText;
+        }
+    }
+
+    // 每3秒更新思考文字
+    updateThinkingText();
+    const textInterval = setInterval(updateThinkingText, 3000);
+
+    // 存储定时器引用
+    if (!brainAnimationInterval) {
+        brainAnimationInterval = {};
+    }
+    brainAnimationInterval[prefix] = textInterval;
+}
+
+function stopBrainAnimation(prefix = '') {
+    const brainId = prefix ? `loading-brain-${prefix}` : 'loading-brain';
+    const brain = document.getElementById(brainId);
+
+    // 从活动大脑集合中移除
+    activeBrains.delete(prefix);
+
+    if (brain) {
+        brain.classList.add('completed');
+
+        // 更新完成文字
+        const textElement = brain.querySelector('.generating-text');
+        if (textElement) {
+            textElement.textContent = '大纲生成完成';
+        }
+
+        const dotsElement = brain.querySelector('.generating-dots');
+        if (dotsElement) {
+            dotsElement.textContent = '✓';
+        }
+    }
+
+    // 清除文字更新定时器
+    if (brainAnimationInterval && brainAnimationInterval[prefix]) {
+        clearInterval(brainAnimationInterval[prefix]);
+        delete brainAnimationInterval[prefix];
+    }
+}
+
+// 兼容旧的函数名
+function startLoadingAnimation(prefix = '') {
+    startBrainAnimation(prefix);
+}
+
+function stopLoadingAnimation(prefix = '') {
+    stopBrainAnimation(prefix);
+}
+
+// 兼容漏斗动画函数名
+function startFunnelAnimation(prefix = '') {
+    startBrainAnimation(prefix);
+}
+
+function stopFunnelAnimation(prefix = '') {
+    stopBrainAnimation(prefix);
+}
+
+// 兼容书本动画函数名
+function startBookAnimation(prefix = '') {
+    startBrainAnimation(prefix);
+}
+
+function stopBookAnimation(prefix = '') {
+    stopBrainAnimation(prefix);
+}
+
+
+
+// 显示成功完成动画
+function showBrainCompletion(prefix = '') {
+    const brainId = prefix ? `loading-brain-${prefix}` : 'loading-brain';
+    const brain = document.getElementById(brainId);
+
+    if (brain) {
+        // 停止思考动画并显示完成状态
+        stopBrainAnimation(prefix);
+        brain.classList.add('completed');
+
+        // 2秒后隐藏整个动画容器
+        setTimeout(() => {
+            if (brain.parentNode && brain.parentNode.parentNode) {
+                brain.parentNode.parentNode.style.display = 'none';
+            }
+        }, 2000);
+    }
+}
+
+// 兼容旧的函数名
+function showBookCompletion(prefix = '') {
+    showBrainCompletion(prefix);
+}
+
+function showFunnelCompletion(prefix = '') {
+    showBrainCompletion(prefix);
+}
+
+// Handle requirements form submission and AI suggestions loading
+document.addEventListener('DOMContentLoaded', function() {
+    // Initialize outline display if already completed
+    initializeOutlineDisplay();
+
+    // Initialize page count selection
+    initializePageCountSelection();
+
+    // Initialize style selection
+    initializeStyleSelection();
+
+    // Check if we should auto-start outline generation
+    checkAutoStartOutline();
+
+    // 直接显示需求表单，不再加载AI建议
+    showRequirementsForm();
+
+    const requirementsForm = document.getElementById('requirements-form');
+    if (requirementsForm) {
+        requirementsForm.addEventListener('submit', async function(e) {
+            e.preventDefault();
+
+            const formData = new FormData(requirementsForm);
+            const confirmBtn = document.getElementById('confirm-requirements-btn');
+
+            const requirementsSection = document.getElementById('requirements-section');
+            if (requirementsSection) {
+                requirementsSection.style.display = 'none';
+            }
+
+            
+            showOutlineSection();
+
+            
+            try {
+                const response = await fetch(`/projects/${currentProjectId}/confirm-requirements`, {
+                    method: 'POST',
+                    body: formData
+                });
+
+                const result = await response.json();
+
+                if (response.ok && result.status === 'success') {
+                    
+                    setTimeout(() => {
+                        const contentSource = document.querySelector('input[name="content_source"]:checked');
+                        if (contentSource && contentSource.value === 'file') {
+                            
+                            startFileOutlineGeneration();
+                        } else {
+                            
+                            startOutlineGenerationNew();
+                        }
+                    }, 1000); 
+                } else {
+                    console.error('Requirements confirmation failed:', result.message);
+                    
+                    alert('需求确认失败: ' + (result.message || '未知错误'));
+                    
+                    const requirementsSection = document.getElementById('requirements-section');
+                    const outlineSection = document.getElementById('outline-section');
+                    if (requirementsSection) requirementsSection.style.display = 'block';
+                    if (outlineSection) outlineSection.style.display = 'none';
+                }
+            } catch (error) {
+                console.error('Error confirming requirements:', error);
+                alert('需求确认失败: ' + error.message);
+                
+                const requirementsSection = document.getElementById('requirements-section');
+                const outlineSection = document.getElementById('outline-section');
+                if (requirementsSection) requirementsSection.style.display = 'block';
+                if (outlineSection) outlineSection.style.display = 'none';
+            }
+        });
+    }
+});
+
+// Check if we should auto-start outline generation
+function checkAutoStartOutline() {
+    // 防止重复调用
+    if (outlineGenerationStarted) {
+        console.log('Outline generation already started, skipping auto-start check...');
+        return;
+    }
+
+    // Check if outline section is visible and outline generation should start
+    const outlineSection = document.getElementById('outline-section');
+    if (outlineSection && outlineSection.style.display !== 'none') {
+        // Check if outline generation is in running state
+        const outlineCursor = document.getElementById('outline-cursor');
+        if (outlineCursor && outlineCursor.style.display !== 'none') {
+            // Auto-start outline generation
+            setTimeout(() => {
+                startOutlineGenerationNew();
+            }, 500);
+        }
+    }
+}
+
+// Show outline section
+function showOutlineSection() {
+    // Create and show outline section if it doesn't exist
+    let outlineSection = document.getElementById('outline-section');
+    if (!outlineSection) {
+        outlineSection = document.createElement('div');
+        outlineSection.id = 'outline-section';
+        outlineSection.style.cssText = 'max-width: 1200px; margin: 20px auto; background: white; border-radius: 15px; padding: 30px; box-shadow: 0 4px 20px rgba(0,0,0,0.1);';
+
+        outlineSection.innerHTML = `
+            <div style="text-align: center; margin-bottom: 30px;">
+                <h3 style="color: #2c3e50; margin-bottom: 10px;">
+                    <i class="fas fa-brain"></i> PPT 大纲生成
+                </h3>
+                <p style="color: #7f8c8d;">AI正在为您生成专业的PPT大纲，您可以实时查看并编辑</p>
+            </div>
+
+            <div style="background: #f8f9fa; border-radius: 10px; padding: 20px; border: 2px solid #e9ecef;">
+                <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px;">
+                    <h5 style="color: #2c3e50; margin: 0;">
+                        <i class="fas fa-list-alt"></i> 大纲内容
+                        <span id="outline-status" style="color: #f39c12; font-size: 0.8em; margin-left: 10px; display: none;">
+                        </span>
+                    </h5>
+
+                    <div style="display: flex; align-items: center; gap: 10px;">
+                        <!-- View Toggle Buttons - Always show -->
+                        <div style="display: flex; background: #e9ecef; border-radius: 5px; padding: 2px;">
+                            <button id="json-view-btn-new" onclick="switchOutlineViewNew('json')"
+                                    style="background: #3498db; color: white; border: none; padding: 5px 10px; border-radius: 3px; font-size: 11px; cursor: pointer; transition: all 0.3s ease;">
+                                <i class="fas fa-code"></i> JSON
+                            </button>
+                            <button id="outline-view-btn-new" onclick="switchOutlineViewNew('outline')"
+                                    style="background: transparent; color: #6c757d; border: none; padding: 5px 10px; border-radius: 3px; font-size: 11px; cursor: pointer; transition: all 0.3s ease;">
+                                <i class="fas fa-list-ul"></i> 大纲视图
+                            </button>
+                        </div>
+
+                        <!-- Action Buttons -->
+                        <div id="outline-actions" style="display: none;">
+                            <button onclick="regenerateOutlineNew()" class="btn btn-sm btn-outline-warning" style="margin-right: 8px;">
+                                <i class="fas fa-sync"></i> 重新生成大纲
+                            </button>
+                            <button onclick="editOutlineNew()" class="btn btn-sm btn-outline-primary" style="margin-right: 8px;">
+                                <i class="fas fa-edit"></i> 编辑大纲
+                            </button>
+                        </div>
+                    </div>
+                </div>
+
+                <!-- JSON View (default) -->
+                <div id="outline-content-display" style="background: white; border: 1px solid #dee2e6; border-radius: 8px; padding: 25px; min-height: 400px; max-height: 600px; overflow-y: auto; font-family: 'Microsoft YaHei', Arial, sans-serif; line-height: 1.8; font-size: 14px; display: block; position: relative;">
+                    <div id="outline-placeholder" class="loading-container">
+                        <div class="loading-icon">
+                            <i class="fas fa-brain"></i>
+                        </div>
+                        <div class="loading-title">AI正在生成PPT大纲</div>
+
+                        <div class="brain-container">
+                            <div class="ai-brain" id="loading-brain-dynamic">
+                                <div class="brain-core">
+                                    <div class="brain-icon">🧠</div>
+                                </div>
+                                <svg class="progress-ring" width="140" height="140">
+                                    <circle class="progress-ring-circle" cx="70" cy="70" r="70"></circle>
+                                    <circle class="progress-ring-progress" cx="70" cy="70" r="70"></circle>
+                                </svg>
+                                <div class="neural-network">
+                                    <div class="neural-line" style="--rotation: 45deg;"></div>
+                                    <div class="neural-line" style="--rotation: -30deg;"></div>
+                                    <div class="neural-line" style="--rotation: -45deg;"></div>
+                                    <div class="neural-line" style="--rotation: 60deg;"></div>
+                                </div>
+                                <div class="thought-bubbles">
+                                    <div class="thought-bubble"></div>
+                                    <div class="thought-bubble"></div>
+                                    <div class="thought-bubble"></div>
+                                </div>
+                                <div class="text-generation">
+                                    <div class="generating-text">正在分析内容结构</div>
+                                    <div class="generating-dots">• • •</div>
+                                </div>
+                            </div>
+                        </div>
+
+                        <div class="loading-tips">
+                            <h5><i class="fas fa-lightbulb"></i> 小贴士</h5>
+                            <p>AI正在根据您的需求智能生成PPT大纲，包括标题、内容要点和逻辑结构。生成完成后您可以实时编辑和调整。</p>
+                        </div>
+                    </div>
+
+                    <!-- 光标元素移到内容容器内部，使用绝对定位，默认隐藏 -->
+                    <div id="outline-cursor" style="position: absolute; bottom: 20px; right: 20px; display: none; width: 2px; height: 16px; background: #3498db; animation: blink 1s infinite; pointer-events: none;"></div>
+                </div>
+
+                <!-- Outline View -->
+                <div id="outline-view-new" style="display: none;">
+                    <!-- Outline Toolbar -->
+                    <div id="outline-toolbar-new" style="background: #f8f9fa; border: 1px solid #dee2e6; border-bottom: none; border-radius: 8px 8px 0 0; padding: 10px; display: flex; align-items: center; justify-content: space-between;">
+                        <div style="display: flex; align-items: center; gap: 10px;">
+                            <span style="color: #2c3e50; font-weight: 500;">
+                                <i class="fas fa-list-ul"></i> PPT大纲预览
+                            </span>
+                            <span style="color: #7f8c8d; font-size: 12px;">支持简洁视图和详细视图切换</span>
+                        </div>
+                        <div style="display: flex; gap: 8px;">
+                            <button onclick="toggleOutlineViewModeNew()" class="btn btn-xs btn-info" title="切换视图模式">
+                                <i class="fas fa-eye"></i> <span id="viewToggleTextNew">详细视图</span>
+                            </button>
+                            <button onclick="editOutlineNew()" class="btn btn-xs btn-primary" title="修改大纲">
+                                <i class="fas fa-edit"></i> 修改大纲
+                            </button>
+                            <button onclick="exportOutlineJSONNew()" class="btn btn-xs btn-success" title="导出JSON">
+                                <i class="fas fa-download"></i> 导出JSON
+                            </button>
+                        </div>
+                    </div>
+
+                    <div id="outline-container-new" style="background: white; border: 1px solid #dee2e6; border-radius: 0 0 8px 8px; height: 500px; overflow-y: auto; position: relative;">
+                        <div id="outline-content-new" style="width: 100%; height: 100%; padding: 20px;">
+                            <!-- 大纲内容将在这里显示 -->
+                        </div>
+                        <div id="outline-loading-new" style="position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; color: #7f8c8d; display: none;">
+                            <i class="fas fa-spinner fa-spin fa-2x" style="margin-bottom: 15px;"></i>
+                            <p>正在加载大纲...</p>
+                        </div>
+                        <div id="outline-error-new" style="position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; color: #e74c3c; display: none;">
+                            <i class="fas fa-exclamation-triangle fa-2x" style="margin-bottom: 15px;"></i>
+                            <p>大纲加载失败，请检查数据格式</p>
+                        </div>
+                        <div id="outline-empty-new" style="position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); text-align: center; color: #7f8c8d; display: block;">
+                            <i class="fas fa-list-ul fa-3x" style="margin-bottom: 20px; opacity: 0.3;"></i>
+                            <h4 style="color: #95a5a6; margin-bottom: 15px;">大纲视图</h4>
+                            <p style="margin-bottom: 20px;">大纲生成完成后，结构化内容将在这里显示</p>
+                            <p style="font-size: 14px; color: #bdc3c7;">支持简洁视图和详细视图切换，可编辑大纲内容</p>
+                        </div>
+                    </div>
+                </div>
+
+
+
+                <div id="outline-edit-area" style="display: none; margin-top: 20px;">
+                    <h6 style="color: #2c3e50; margin-bottom: 15px;">
+                        <i class="fas fa-code"></i> 编辑大纲JSON
+                    </h6>
+                    <div style="background: #f8f9fa; padding: 10px; border-radius: 5px; margin-bottom: 10px; font-size: 12px; color: #6c757d;">
+                        <i class="fas fa-info-circle"></i>
+                        请编辑JSON格式的大纲。确保JSON格式正确，包含title和slides数组。
+                    </div>
+                    <textarea id="outline-editor"
+                              style="width: 100%; height: 400px; padding: 15px; border: 1px solid #ddd; border-radius: 8px;
+                                     font-family: 'Consolas', 'Monaco', 'Courier New', monospace; font-size: 13px; line-height: 1.4;
+                                     resize: vertical; background: #f8f9fa;"
+                              placeholder='请输入JSON格式的大纲，例如：
+{
+  "title": "PPT标题",
+  "slides": [
+    {
+      "page_number": 1,
+      "title": "页面标题",
+      "content_points": ["要点1", "要点2"],
+      "slide_type": "title"
+    }
+  ]
+}'></textarea>
+                    <div style="display: flex; justify-content: space-between; align-items: center; margin-top: 15px;">
+                        <div style="font-size: 12px; color: #6c757d;">
+                            <i class="fas fa-lightbulb"></i>
+                            提示：slide_type可选值：title, content, agenda, thankyou
+                        </div>
+                        <div>
+                            <button onclick="validateJSON()" class="btn btn-sm btn-info" style="margin-right: 8px;">
+                                <i class="fas fa-check-circle"></i> 验证JSON
+                            </button>
+                            <button onclick="cancelEditOutlineNew()" class="btn btn-sm btn-secondary" style="margin-right: 8px;">
+                                <i class="fas fa-times"></i> 取消
+                            </button>
+                            <button onclick="saveOutlineEditNew()" class="btn btn-sm btn-primary">
+                                <i class="fas fa-save"></i> 保存修改
+                            </button>
+                        </div>
+                    </div>
+                </div>
+            </div>
+        `;
+
+        // Insert after requirements section or at the beginning
+        const requirementsSection = document.getElementById('requirements-section');
+        if (requirementsSection) {
+            requirementsSection.parentNode.insertBefore(outlineSection, requirementsSection.nextSibling);
+        } else {
+            const container = document.querySelector('div[style*="text-align: center"]');
+            if (container) {
+                container.appendChild(outlineSection);
+            }
+        }
+    }
+
+    outlineSection.style.display = 'block';
+
+    // 启动等待动画
+    setTimeout(() => {
+        startFunnelAnimation('dynamic');
+    }, 100);
+}
+
+
+function showRequirementsForm() {
+    try {
+        // Hide loading indicator
+        const loadingElement = document.getElementById('ai-loading');
+        if (loadingElement) {
+            loadingElement.style.display = 'none';
+        }
+
+        // Show form
+        const formElement = document.getElementById('requirements-form');
+        if (formElement) {
+            formElement.style.display = 'block';
+        }
+
+
+    } catch (error) {
+        console.error('Error showing requirements form:', error);
+
+        // Hide loading and show form with default options
+        const loadingElement = document.getElementById('ai-loading');
+        if (loadingElement) {
+            loadingElement.style.display = 'none';
+        }
+
+        const formElement = document.getElementById('requirements-form');
+        if (formElement) {
+            formElement.style.display = 'block';
+        }
+    }
+}
+
+// Populate checkbox options
+function populateCheckboxOptions(containerId, options, name) {
+    const container = document.getElementById(containerId);
+    container.innerHTML = '';
+
+    options.forEach(option => {
+        const div = document.createElement('div');
+        div.style.cssText = 'padding: 10px; border: 1px solid #ddd; border-radius: 6px; background: white; cursor: pointer; transition: all 0.3s ease;';
+
+        const checkbox = document.createElement('input');
+        checkbox.type = 'checkbox';
+        checkbox.name = name;
+        checkbox.value = option;
+        checkbox.id = `${name}_${options.indexOf(option)}`;
+        checkbox.style.marginRight = '8px';
+
+        const label = document.createElement('label');
+        label.htmlFor = checkbox.id;
+        label.textContent = option;
+        label.style.cursor = 'pointer';
+
+        div.appendChild(checkbox);
+        div.appendChild(label);
+
+        // Add click handler for the entire div
+        div.addEventListener('click', function(e) {
+            if (e.target !== checkbox) {
+                checkbox.checked = !checkbox.checked;
+            }
+            updateCheckboxStyle(div, checkbox.checked);
+        });
+
+        // Add change handler for checkbox
+        checkbox.addEventListener('change', function() {
+            updateCheckboxStyle(div, this.checked);
+        });
+
+        container.appendChild(div);
+    });
+}
+
+// Populate radio options
+function populateRadioOptions(containerId, options, name) {
+    const container = document.getElementById(containerId);
+    container.innerHTML = '';
+
+    options.forEach(option => {
+        const div = document.createElement('div');
+        div.style.cssText = 'padding: 10px 15px; border: 1px solid #ddd; border-radius: 6px; background: white; cursor: pointer; transition: all 0.3s ease;';
+
+        const radio = document.createElement('input');
+        radio.type = 'radio';
+        radio.name = name;
+        radio.value = option;
+        radio.id = `${name}_${options.indexOf(option)}`;
+        radio.style.marginRight = '8px';
+
+        const label = document.createElement('label');
+        label.htmlFor = radio.id;
+        label.textContent = option;
+        label.style.cursor = 'pointer';
+
+        div.appendChild(radio);
+        div.appendChild(label);
+
+        // Add click handler for the entire div
+        div.addEventListener('click', function(e) {
+            if (e.target !== radio) {
+                radio.checked = true;
+            }
+            updateRadioStyles(name);
+        });
+
+        // Add change handler for radio
+        radio.addEventListener('change', function() {
+            updateRadioStyles(name);
+        });
+
+        container.appendChild(div);
+    });
+}
+
+// Update checkbox visual style
+function updateCheckboxStyle(div, checked) {
+    if (checked) {
+        div.style.background = '#e8f4fd';
+        div.style.borderColor = '#3498db';
+        div.style.transform = 'scale(1.02)';
+    } else {
+        div.style.background = 'white';
+        div.style.borderColor = '#ddd';
+        div.style.transform = 'scale(1)';
+    }
+}
+
+// Update radio button visual styles
+function updateRadioStyles(name) {
+    const radios = document.querySelectorAll(`input[name="${name}"]`);
+    radios.forEach(radio => {
+        const div = radio.parentElement;
+        if (radio.checked) {
+            div.style.background = '#e8f4fd';
+            div.style.borderColor = '#3498db';
+            div.style.transform = 'scale(1.02)';
+        } else {
+            div.style.background = 'white';
+            div.style.borderColor = '#ddd';
+            div.style.transform = 'scale(1)';
+        }
+    });
+}
+
+
+// Outline editing functions
+function editOutline(stageId) {
+    const outlineContent = document.getElementById(`outline-content-${stageId}`);
+    const outlineEdit = document.getElementById(`outline-edit-${stageId}`);
+    const outlineEditor = document.getElementById(`outline-editor-${stageId}`);
+
+    if (outlineContent && outlineEdit && outlineEditor) {
+        // Copy current content to editor
+        outlineEditor.value = outlineContent.textContent;
+
+        // Hide content, show editor
+        outlineContent.parentElement.style.display = 'none';
+        outlineEdit.style.display = 'block';
+    }
+}
+
+function cancelEditOutline(stageId) {
+    const outlineContent = document.getElementById(`outline-content-${stageId}`);
+    const outlineEdit = document.getElementById(`outline-edit-${stageId}`);
+
+    if (outlineContent && outlineEdit) {
+        // Show content, hide editor
+        outlineContent.parentElement.style.display = 'block';
+        outlineEdit.style.display = 'none';
+    }
+}
+
+
+
+// 重试文件大纲生成函数
+function retryFileOutlineGeneration() {
+    console.log('Retrying file outline generation');
+
+    // 重置状态
+    outlineGenerationStarted = false;
+
+    // 清除错误内容，但保留placeholder div
+    const contentDiv = document.getElementById('outline-content-display');
+    if (contentDiv) {
+        // 只清除非placeholder的子元素
+        const children = Array.from(contentDiv.children);
+        children.forEach(child => {
+            if (child.id !== 'outline-placeholder') {
+                child.remove();
+            }
+        });
+    }
+
+    // 重置placeholder div状态
+    const placeholderDiv = document.getElementById('outline-placeholder');
+    if (placeholderDiv) {
+        console.log('Resetting placeholder div for file retry');
+        placeholderDiv.style.display = 'none';
+        placeholderDiv.className = '';
+        placeholderDiv.innerHTML = '';
+    } else {
+        console.log('Placeholder div not found, creating new one for file retry');
+        // 如果找不到，创建一个新的
+        const newPlaceholderDiv = document.createElement('div');
+        newPlaceholderDiv.id = 'outline-placeholder';
+        newPlaceholderDiv.className = 'loading-container';
+        contentDiv.appendChild(newPlaceholderDiv);
+    }
+
+    // 隐藏操作按钮
+    const actionsDiv = document.getElementById('outline-actions');
+    if (actionsDiv) {
+        actionsDiv.style.display = 'none';
+    }
+
+    // 调用生成函数
+    startFileOutlineGeneration();
+}
+
+// File outline generation function for file uploads (non-streaming)
+async function startFileOutlineGeneration() {
+    console.log('Starting file outline generation (non-streaming)');
+
+    // 防止重复调用
+    if (outlineGenerationStarted) {
+        console.log('Outline generation already started, skipping...');
+        return;
+    }
+
+    const contentDiv = document.getElementById('outline-content-display');
+    const cursorDiv = document.getElementById('outline-cursor');
+    const statusDiv = document.getElementById('outline-status');
+    const placeholderDiv = document.getElementById('outline-placeholder');
+
+    if (!contentDiv) {
+        console.error('Outline content div not found');
+        return;
+    }
+
+    // 标记为已开始
+    outlineGenerationStarted = true;
+
+    // 显示增强的加载状态
+    if (placeholderDiv) {
+        placeholderDiv.innerHTML = `
+            <div class="loading-icon">
+                <i class="fas fa-file-alt"></i>
+            </div>
+            <div class="loading-title">正在从文件生成PPT大纲</div>
+
+            <div class="brain-container">
+                <div class="ai-brain" id="loading-brain-file">
+                    <div class="brain-core">
+                        <div class="brain-icon">📄</div>
+                    </div>
+                    <svg class="progress-ring" width="140" height="140">
+                        <circle class="progress-ring-circle" cx="70" cy="70" r="70"></circle>
+                        <circle class="progress-ring-progress" cx="70" cy="70" r="70"></circle>
+                    </svg>
+                    <div class="neural-network">
+                        <div class="neural-line" style="--rotation: 45deg;"></div>
+                        <div class="neural-line" style="--rotation: -30deg;"></div>
+                        <div class="neural-line" style="--rotation: -45deg;"></div>
+                        <div class="neural-line" style="--rotation: 60deg;"></div>
+                    </div>
+                    <div class="thought-bubbles">
+                        <div class="thought-bubble"></div>
+                        <div class="thought-bubble"></div>
+                        <div class="thought-bubble"></div>
+                    </div>
+                    <div class="text-generation">
+                        <div class="generating-text">正在解析文件内容</div>
+                        <div class="generating-dots">• • •</div>
+                    </div>
+                </div>
+            </div>
+
+            <div class="loading-tips">
+                <h5><i class="fas fa-lightbulb"></i> 小贴士</h5>
+                <p>AI正在智能分析您上传的文件内容，提取关键信息并生成结构化的PPT大纲。</p>
+            </div>
+        `;
+        placeholderDiv.className = 'loading-container';
+        placeholderDiv.style.display = 'block';
+
+        // 启动文件处理动画
+        startBrainAnimation('file');
+    }
+
+    // 隐藏光标（文件生成不需要流式效果）
+    if (cursorDiv) {
+        cursorDiv.style.display = 'none';
+    }
+
+    try {
+        // 调用文件大纲生成接口（非流式）
+        const response = await fetch(`/projects/${currentProjectId}/generate-file-outline`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            }
+        });
+
+        if (!response.ok) {
+            throw new Error(`HTTP error! status: ${response.status}`);
+        }
+
+        const result = await response.json();
+
+        if (result.error || result.status === "error") {
+            // 停止加载动画
+            stopBookAnimation('file');
+
+            // 显示错误信息和重新生成按钮，但保留placeholder div
+            // 先确保placeholder div存在
+            let placeholderDiv = document.getElementById('outline-placeholder');
+            if (!placeholderDiv) {
+                placeholderDiv = document.createElement('div');
+                placeholderDiv.id = 'outline-placeholder';
+                placeholderDiv.className = 'loading-container';
+                contentDiv.appendChild(placeholderDiv);
+            }
+
+            // 清除其他内容，只保留placeholder
+            const children = Array.from(contentDiv.children);
+            children.forEach(child => {
+                if (child.id !== 'outline-placeholder') {
+                    child.remove();
+                }
+            });
+
+            // 在placeholder前添加错误信息
+            const errorDiv = document.createElement('div');
+            errorDiv.innerHTML = `
+                <div style="color: #e74c3c; text-align: center; padding: 20px;">
+                    <i class="fas fa-exclamation-triangle" style="font-size: 24px; margin-bottom: 10px;"></i>
+                    <div style="margin-bottom: 15px;">文件大纲生成失败</div>
+                    <div style="font-size: 14px; margin-bottom: 20px; color: #7f8c8d;">${result.error || result.message || '未知错误'}</div>
+                    <button onclick="retryFileOutlineGeneration()" class="btn btn-warning btn-sm">
+                        <i class="fas fa-sync"></i> 重新生成大纲
+                    </button>
+                </div>
+            `;
+            contentDiv.insertBefore(errorDiv, placeholderDiv);
+            if (placeholderDiv) placeholderDiv.style.display = 'none';
+
+            // 重置标志，允许重试
+            outlineGenerationStarted = false;
+            return;
+        }
+
+        // 停止加载动画
+        stopBookAnimation('file');
+
+        // 隐藏加载状态
+        if (placeholderDiv) {
+            placeholderDiv.style.display = 'none';
+        }
+
+        // 一次性显示完整的大纲内容
+        if (result.outline_content) {
+            // 格式化JSON内容
+            let formattedContent;
+            try {
+                const parsed = JSON.parse(result.outline_content);
+                formattedContent = JSON.stringify(parsed, null, 2);
+            } catch (e) {
+                formattedContent = result.outline_content;
+            }
+
+            // 显示格式化的内容 - 使用textContent而不是innerHTML来避免HTML转义问题
+            const preElement = document.createElement('pre');
+            preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+            preElement.textContent = formattedContent;
+            contentDiv.innerHTML = '';
+            contentDiv.appendChild(preElement);
+        }
+
+        // 重置标志，允许下次生成
+        outlineGenerationStarted = false;
+
+        // Show action buttons
+        const actionsDiv = document.getElementById('outline-actions');
+        if (actionsDiv) {
+            actionsDiv.style.display = 'block';
+        }
+
+        // 尝试解析并渲染大纲预览
+        try {
+            const parsedOutline = JSON.parse(result.outline_content);
+            if (parsedOutline && parsedOutline.slides) {
+                renderOutlinePreview(parsedOutline);
+            }
+        } catch (e) {
+            console.log('大纲内容正在生成中，暂时无法解析为JSON');
+        }
+
+        // Show start PPT generation button
+        showStartPPTButton();
+
+    } catch (error) {
+        console.error('Error generating file outline:', error);
+
+        // 停止加载动画
+        stopFunnelAnimation('file');
+
+        // 显示连接错误和重新生成按钮，但保留placeholder div
+        // 先确保placeholder div存在
+        let placeholderDiv = document.getElementById('outline-placeholder');
+        if (!placeholderDiv) {
+            placeholderDiv = document.createElement('div');
+            placeholderDiv.id = 'outline-placeholder';
+            placeholderDiv.className = 'loading-container';
+            contentDiv.appendChild(placeholderDiv);
+        }
+
+        // 清除其他内容，只保留placeholder
+        const children = Array.from(contentDiv.children);
+        children.forEach(child => {
+            if (child.id !== 'outline-placeholder') {
+                child.remove();
+            }
+        });
+
+        // 在placeholder前添加错误信息
+        const errorDiv = document.createElement('div');
+        errorDiv.innerHTML = `
+            <div style="color: #e74c3c; text-align: center; padding: 20px;">
+                <i class="fas fa-exclamation-triangle" style="font-size: 24px; margin-bottom: 10px;"></i>
+                <div style="margin-bottom: 15px;">连接失败</div>
+                <div style="font-size: 14px; margin-bottom: 20px; color: #7f8c8d;">连接错误: ${error.message}</div>
+                <button onclick="retryFileOutlineGeneration()" class="btn btn-warning btn-sm">
+                    <i class="fas fa-sync"></i> 重新生成大纲
+                </button>
+            </div>
+        `;
+        contentDiv.insertBefore(errorDiv, placeholderDiv);
+        if (placeholderDiv) placeholderDiv.style.display = 'none';
+
+        // 重置标志，允许重试
+        outlineGenerationStarted = false;
+    }
+}
+
+// 重试大纲生成函数
+function retryOutlineGeneration() {
+    console.log('Retrying outline generation');
+
+    // 重置状态
+    outlineGenerationStarted = false;
+
+    // 清除错误内容，但保留placeholder div
+    const contentDiv = document.getElementById('outline-content-display');
+    if (contentDiv) {
+        // 只清除非placeholder的子元素
+        const children = Array.from(contentDiv.children);
+        children.forEach(child => {
+            if (child.id !== 'outline-placeholder') {
+                child.remove();
+            }
+        });
+    }
+
+    // 重置placeholder div状态
+    const placeholderDiv = document.getElementById('outline-placeholder');
+    if (placeholderDiv) {
+        console.log('Resetting placeholder div for retry');
+        placeholderDiv.style.display = 'none';
+        placeholderDiv.className = '';
+        placeholderDiv.innerHTML = '';
+    } else {
+        console.log('Placeholder div not found, creating new one');
+        // 如果找不到，创建一个新的
+        const newPlaceholderDiv = document.createElement('div');
+        newPlaceholderDiv.id = 'outline-placeholder';
+        newPlaceholderDiv.className = 'loading-container';
+        contentDiv.appendChild(newPlaceholderDiv);
+    }
+
+    // 隐藏操作按钮
+    const actionsDiv = document.getElementById('outline-actions');
+    if (actionsDiv) {
+        actionsDiv.style.display = 'none';
+    }
+
+    // 调用生成函数
+    startOutlineGenerationNew();
+}
+
+// New outline generation function for the new UI (non-streaming)
+async function startOutlineGenerationNew() {
+    console.log('Starting new outline generation (non-streaming)');
+
+    // 防止重复调用
+    if (outlineGenerationStarted) {
+        console.log('Outline generation already started, skipping...');
+        return;
+    }
+
+    const contentDiv = document.getElementById('outline-content-display');
+    const cursorDiv = document.getElementById('outline-cursor');
+    const statusDiv = document.getElementById('outline-status');
+    const placeholderDiv = document.getElementById('outline-placeholder');
+
+    if (!contentDiv) {
+        console.error('Outline content div not found');
+        return;
+    }
+
+    // 标记为已开始
+    outlineGenerationStarted = true;
+
+    // 显示增强的加载状态
+    if (placeholderDiv) {
+        console.log('Setting up placeholder div for outline generation');
+        placeholderDiv.innerHTML = `
+            <div class="loading-icon">
+                <i class="fas fa-brain"></i>
+            </div>
+            <div class="loading-title">AI正在生成PPT大纲</div>
+
+            <div class="brain-container">
+                <div class="ai-brain" id="loading-brain-stream">
+                    <div class="brain-core">
+                        <div class="brain-icon">🧠</div>
+                    </div>
+                    <svg class="progress-ring" width="140" height="140">
+                        <circle class="progress-ring-circle" cx="70" cy="70" r="70"></circle>
+                        <circle class="progress-ring-progress" cx="70" cy="70" r="70"></circle>
+                    </svg>
+                    <div class="neural-network">
+                        <div class="neural-line" style="--rotation: 45deg;"></div>
+                        <div class="neural-line" style="--rotation: -30deg;"></div>
+                        <div class="neural-line" style="--rotation: -45deg;"></div>
+                        <div class="neural-line" style="--rotation: 60deg;"></div>
+                    </div>
+                    <div class="thought-bubbles">
+                        <div class="thought-bubble"></div>
+                        <div class="thought-bubble"></div>
+                        <div class="thought-bubble"></div>
+                    </div>
+                    <div class="text-generation">
+                        <div class="generating-text">正在生成PPT大纲</div>
+                        <div class="generating-dots">• • •</div>
+                    </div>
+                </div>
+            </div>
+
+            <div class="loading-tips">
+                <h5><i class="fas fa-lightbulb"></i> 小贴士</h5>
+                <p>AI正在根据您的需求智能生成PPT大纲，包括标题、内容要点和逻辑结构。生成完成后将一次性显示完整大纲，您可以编辑和调整。</p>
+            </div>
+        `;
+        placeholderDiv.className = 'loading-container';
+        placeholderDiv.style.display = 'block';
+        console.log('Placeholder div set up, starting brain animation');
+
+        // 启动动画
+        startBrainAnimation('stream');
+        console.log('Brain animation started');
+    } else {
+        console.error('Placeholder div not found!');
+    }
+
+    // 隐藏光标元素（非流式生成不需要）
+    if (cursorDiv) {
+        cursorDiv.style.display = 'none';
+    }
+
+    // Hide status div during generation
+    if (statusDiv) {
+        statusDiv.style.display = 'none';
+    }
+
+    try {
+        // 调用非流式大纲生成接口
+        const response = await fetch(`/projects/${currentProjectId}/generate-outline`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            }
+        });
+
+        if (!response.ok) {
+            throw new Error(`HTTP error! status: ${response.status}`);
+        }
+
+        const result = await response.json();
+
+        if (result.error || result.status === "error") {
+            // 停止加载动画
+            stopBookAnimation('stream');
+
+            // 显示错误信息和重新生成按钮，但保留placeholder div
+            // 先确保placeholder div存在
+            let errorPlaceholderDiv = document.getElementById('outline-placeholder');
+            if (!errorPlaceholderDiv) {
+                errorPlaceholderDiv = document.createElement('div');
+                errorPlaceholderDiv.id = 'outline-placeholder';
+                errorPlaceholderDiv.className = 'loading-container';
+                contentDiv.appendChild(errorPlaceholderDiv);
+            }
+
+            // 隐藏加载状态
+            errorPlaceholderDiv.style.display = 'none';
+
+            // 清除其他内容，只保留placeholder
+            const children = Array.from(contentDiv.children);
+            children.forEach(child => {
+                if (child.id !== 'outline-placeholder') {
+                    child.remove();
+                }
+            });
+
+            // 在placeholder前添加错误信息
+            const errorDiv = document.createElement('div');
+            errorDiv.innerHTML = `
+                <div style="color: #e74c3c; text-align: center; padding: 20px;">
+                    <i class="fas fa-exclamation-triangle" style="font-size: 24px; margin-bottom: 10px;"></i>
+                    <div style="margin-bottom: 15px;">大纲生成失败</div>
+                    <div style="font-size: 14px; margin-bottom: 20px; color: #7f8c8d;">${result.error || result.message || '未知错误'}</div>
+                    <button onclick="retryOutlineGeneration()" class="btn btn-warning btn-sm">
+                        <i class="fas fa-sync"></i> 重新生成大纲
+                    </button>
+                </div>
+            `;
+            contentDiv.insertBefore(errorDiv, errorPlaceholderDiv);
+            if (cursorDiv) cursorDiv.style.display = 'none';
+
+            // 重置标志，允许重试
+            outlineGenerationStarted = false;
+            return;
+        }
+
+        // 停止加载动画
+        stopBookAnimation('stream');
+
+        // 隐藏加载状态
+        if (placeholderDiv) {
+            placeholderDiv.style.display = 'none';
+        }
+
+        // 一次性显示完整的大纲内容
+        if (result.outline_content) {
+            // 格式化JSON内容
+            let formattedContent;
+            try {
+                const parsed = JSON.parse(result.outline_content);
+                formattedContent = JSON.stringify(parsed, null, 2);
+            } catch (e) {
+                formattedContent = result.outline_content;
+            }
+
+            // 显示格式化的内容
+            const preElement = document.createElement('pre');
+            preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+            preElement.textContent = formattedContent;
+            contentDiv.innerHTML = '';
+            contentDiv.appendChild(preElement);
+        }
+
+        // 重置标志，允许下次生成
+        outlineGenerationStarted = false;
+
+        // Show action buttons
+        const actionsDiv = document.getElementById('outline-actions');
+        if (actionsDiv) {
+            actionsDiv.style.display = 'block';
+        }
+
+        // Generate outline view if currently in outline view
+        if (currentViewNew === 'outline') {
+            setTimeout(() => {
+                renderOutlineViewNew();
+            }, 500);
+        }
+
+        // Show start PPT generation button
+        showStartPPTButton();
+    } catch (error) {
+        console.error('Error streaming outline generation:', error);
+
+        // 停止加载动画
+        stopFunnelAnimation('stream');
+
+        // 隐藏加载状态
+        if (placeholderDiv) {
+            placeholderDiv.style.display = 'none';
+        }
+
+        // 显示连接错误和重新生成按钮，但保留placeholder div
+        // 先确保placeholder div存在
+        let placeholderDiv = document.getElementById('outline-placeholder');
+        if (!placeholderDiv) {
+            placeholderDiv = document.createElement('div');
+            placeholderDiv.id = 'outline-placeholder';
+            placeholderDiv.className = 'loading-container';
+            contentDiv.appendChild(placeholderDiv);
+        }
+
+        // 清除其他内容，只保留placeholder
+        const children = Array.from(contentDiv.children);
+        children.forEach(child => {
+            if (child.id !== 'outline-placeholder') {
+                child.remove();
+            }
+        });
+
+        // 在placeholder前添加错误信息
+        const errorDiv = document.createElement('div');
+        errorDiv.innerHTML = `
+            <div style="color: #e74c3c; text-align: center; padding: 20px;">
+                <i class="fas fa-exclamation-triangle" style="font-size: 24px; margin-bottom: 10px;"></i>
+                <div style="margin-bottom: 15px;">连接失败</div>
+                <div style="font-size: 14px; margin-bottom: 20px; color: #7f8c8d;">连接错误: ${error.message}</div>
+                <button onclick="retryOutlineGeneration()" class="btn btn-warning btn-sm">
+                    <i class="fas fa-sync"></i> 重新生成大纲
+                </button>
+            </div>
+        `;
+        contentDiv.insertBefore(errorDiv, placeholderDiv);
+        if (cursorDiv) cursorDiv.style.display = 'none';
+        // Keep status div hidden
+
+        // 重置标志，允许重试
+        outlineGenerationStarted = false;
+    }
+}
+
+// 显示自定义需求输入弹窗
+function showCustomRequirementsModal() {
+    return new Promise((resolve) => {
+        // 创建遮罩层
+        const overlay = document.createElement('div');
+        overlay.style.cssText = `
+            position: fixed;
+            top: 0;
+            left: 0;
+            right: 0;
+            bottom: 0;
+            background: rgba(0, 0, 0, 0.5);
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            z-index: 10000;
+        `;
+        
+        // 创建弹窗
+        const modal = document.createElement('div');
+        modal.style.cssText = `
+            background: white;
+            border-radius: 8px;
+            padding: 24px;
+            max-width: 500px;
+            width: 90%;
+            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
+        `;
+        
+        modal.innerHTML = `
+            <h4 style="margin-top: 0; margin-bottom: 16px; color: #333;">
+                <i class="fas fa-magic" style="color: #3498db; margin-right: 8px;"></i>
+                重新生成大纲
+            </h4>
+            <p style="margin-bottom: 16px; color: #666; font-size: 14px;">
+                您可以输入额外的自定义需求，或者直接点击“生成”使用原有设置。
+            </p>
+            <textarea 
+                id="custom-requirements-input" 
+                placeholder="例如：\n- 需要更多图表和数据展示\n- 增加案例分析部分\n- 突出创新点和亮点"
+                style="
+                    width: 100%;
+                    height: 120px;
+                    padding: 12px;
+                    border: 1px solid #ddd;
+                    border-radius: 4px;
+                    font-size: 14px;
+                    resize: vertical;
+                    font-family: inherit;
+                    box-sizing: border-box;
+                "
+            ></textarea>
+            <div style="margin-top: 20px; display: flex; gap: 12px; justify-content: flex-end;">
+                <button 
+                    id="modal-cancel-btn"
+                    style="
+                        padding: 10px 20px;
+                        border: 1px solid #ddd;
+                        border-radius: 4px;
+                        background: white;
+                        color: #666;
+                        cursor: pointer;
+                        font-size: 14px;
+                    "
+                >
+                    取消
+                </button>
+                <button 
+                    id="modal-confirm-btn"
+                    style="
+                        padding: 10px 20px;
+                        border: none;
+                        border-radius: 4px;
+                        background: #3498db;
+                        color: white;
+                        cursor: pointer;
+                        font-size: 14px;
+                    "
+                >
+                    <i class="fas fa-sync" style="margin-right: 6px;"></i>
+                    生成
+                </button>
+            </div>
+        `;
+        
+        overlay.appendChild(modal);
+        document.body.appendChild(overlay);
+        
+        // 获取元素
+        const textarea = modal.querySelector('#custom-requirements-input');
+        const cancelBtn = modal.querySelector('#modal-cancel-btn');
+        const confirmBtn = modal.querySelector('#modal-confirm-btn');
+        
+        // 自动聚焦到输入框
+        setTimeout(() => textarea.focus(), 100);
+        
+        // 取消按钮
+        cancelBtn.onclick = () => {
+            document.body.removeChild(overlay);
+            resolve(null);
+        };
+        
+        // 确认按钮
+        confirmBtn.onclick = () => {
+            const value = textarea.value.trim();
+            document.body.removeChild(overlay);
+            resolve(value);
+        };
+        
+        // 点击遮罩层关闭
+        overlay.onclick = (e) => {
+            if (e.target === overlay) {
+                document.body.removeChild(overlay);
+                resolve(null);
+            }
+        };
+        
+        // 键盘事件
+        textarea.onkeydown = (e) => {
+            // Ctrl/Cmd + Enter 提交
+            if ((e.ctrlKey || e.metaKey) && e.key === 'Enter') {
+                e.preventDefault();
+                confirmBtn.click();
+            }
+            // Escape 取消
+            if (e.key === 'Escape') {
+                e.preventDefault();
+                cancelBtn.click();
+            }
+        };
+    });
+}
+
+// 重新生成大纲函数
+async function regenerateOutlineNew() {
+    console.log('Starting outline regeneration');
+
+    // 使用自定义弹窗让用户输入额外需求
+    const customRequirements = await showCustomRequirementsModal();
+    
+    // 如果用户点击取消，返回 null
+    if (customRequirements === null) {
+        return;
+    }
+
+    // 隐藏操作按钮
+    const actionsDiv = document.getElementById('outline-actions');
+    if (actionsDiv) {
+        actionsDiv.style.display = 'none';
+    }
+
+    // 隐藏开始PPT生成按钮
+    hideStartPPTButton();
+
+    // 确保切换到JSON视图以显示生成过程
+    switchOutlineViewNew('json');
+
+    // 清空当前内容并显示加载状态
+    const contentDiv = document.getElementById('outline-content-display');
+
+    // 先获取placeholder div引用，然后清空其他内容
+    let placeholderDiv = document.getElementById('outline-placeholder');
+
+    if (contentDiv) {
+        // 只清除非placeholder的子元素
+        const children = Array.from(contentDiv.children);
+        children.forEach(child => {
+            if (child.id !== 'outline-placeholder') {
+                child.remove();
+            }
+        });
+
+        // 如果placeholder div不存在，创建一个新的
+        if (!placeholderDiv) {
+            placeholderDiv = document.createElement('div');
+            placeholderDiv.id = 'outline-placeholder';
+            placeholderDiv.className = 'loading-container';
+            contentDiv.appendChild(placeholderDiv);
+        }
+    }
+
+    if (placeholderDiv) {
+        placeholderDiv.style.display = 'block';
+        placeholderDiv.innerHTML = `
+            <div class="loading-icon">
+                <i class="fas fa-brain"></i>
+            </div>
+            <div class="loading-title">正在重新生成大纲</div>
+
+            <div class="brain-container">
+                <div class="ai-brain" id="loading-brain-regenerate">
+                    <div class="brain-core">
+                        <div class="brain-icon">🧠</div>
+                    </div>
+                    <svg class="progress-ring" width="140" height="140">
+                        <circle class="progress-ring-circle" cx="70" cy="70" r="70"></circle>
+                        <circle class="progress-ring-progress" cx="70" cy="70" r="70"></circle>
+                    </svg>
+                    <div class="neural-network">
+                        <div class="neural-line" style="--rotation: 45deg;"></div>
+                        <div class="neural-line" style="--rotation: -30deg;"></div>
+                        <div class="neural-line" style="--rotation: -45deg;"></div>
+                        <div class="neural-line" style="--rotation: 60deg;"></div>
+                    </div>
+                    <div class="thought-bubbles">
+                        <div class="thought-bubble"></div>
+                        <div class="thought-bubble"></div>
+                        <div class="thought-bubble"></div>
+                    </div>
+                    <div class="text-generation">
+                        <div class="generating-text">正在重新分析内容</div>
+                        <div class="generating-dots">• • •</div>
+                    </div>
+                </div>
+            </div>
+
+            <div class="loading-tips">
+                <h5><i class="fas fa-lightbulb"></i> 小贴士</h5>
+                <p>AI正在重新分析您的需求并生成全新的PPT大纲，请稍候...</p>
+            </div>
+        `;
+
+        // 启动重新生成动画
+        setTimeout(() => {
+            startBrainAnimation('regenerate');
+        }, 100);
+    }
+
+    // 重置生成标志
+    outlineGenerationStarted = false;
+
+    // 重置大纲生成阶段状态（不触发页面重新加载）
+    try {
+        await updateStageStatusSilent('outline_generation', 'running', 0);
+    } catch (error) {
+        console.warn('Failed to update stage status:', error);
+    }
+
+    // 调用专门的重新生成大纲接口，带上自定义需求
+    try {
+        console.log('Calling regenerate outline API with custom requirements:', customRequirements);
+        const response = await fetch(`/projects/${currentProjectId}/regenerate-outline`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                custom_requirements: customRequirements || ''
+            })
+        });
+
+        if (!response.ok) {
+            throw new Error(`HTTP error! status: ${response.status}`);
+        }
+
+        const result = await response.json();
+
+        if (result.error || result.status === "error") {
+            // 显示错误信息
+            if (contentDiv) {
+                contentDiv.innerHTML = `<div style="color: #e74c3c; text-align: center; padding: 20px;">
+                    <i class="fas fa-exclamation-triangle"></i> 错误: ${result.error || result.message || '未知错误'}
+                </div>`;
+            }
+            stopBrainAnimation('regenerate');
+            if (placeholderDiv) placeholderDiv.style.display = 'none';
+
+            // 重新显示操作按钮
+            if (actionsDiv) {
+                actionsDiv.style.display = 'block';
+            }
+
+            // 重置标志，允许重试
+            outlineGenerationStarted = false;
+            return;
+        }
+
+        // 停止重新生成动画并隐藏加载状态
+        stopBrainAnimation('regenerate');
+        if (placeholderDiv) {
+            placeholderDiv.style.display = 'none';
+        }
+
+        // 显示生成的大纲内容
+        if (contentDiv && result.outline_content) {
+            const preElement = document.createElement('pre');
+            preElement.style.cssText = 'white-space: pre-wrap; word-wrap: break-word; font-family: "Courier New", monospace; font-size: 12px; line-height: 1.4; margin: 0; padding: 0; background: transparent; border: none;';
+            preElement.textContent = result.outline_content;
+            contentDiv.appendChild(preElement);
+        }
+
+        // 重置标志，允许下次生成
+        outlineGenerationStarted = false;
+
+        // Show action buttons
+        if (actionsDiv) {
+            actionsDiv.style.display = 'block';
+        }
+
+        // Generate outline view if currently in outline view
+        if (currentViewNew === 'outline') {
+            setTimeout(() => {
+                renderOutlineViewNew();
+            }, 500);
+        }
+
+        // Show start PPT generation button
+        showStartPPTButton();
+    } catch (error) {
+        console.error('Error during outline regeneration:', error);
+
+        // 显示错误信息
+        if (contentDiv) {
+            contentDiv.innerHTML = `<div style="color: #e74c3c; text-align: center; padding: 20px;">
+                <i class="fas fa-exclamation-triangle"></i> 重新生成失败: ${error.message}
+            </div>`;
+        }
+
+        stopBrainAnimation('regenerate');
+        if (placeholderDiv) {
+            placeholderDiv.style.display = 'none';
+        }
+
+        // 重新显示操作按钮
+        if (actionsDiv) {
+            actionsDiv.style.display = 'block';
+        }
+
+        // 重置标志，允许重试
+        outlineGenerationStarted = false;
+    }
+}
+
+// New outline editing functions for JSON
+function editOutlineNew() {
+    const contentDiv = document.getElementById('outline-content-display');
+    const editArea = document.getElementById('outline-edit-area');
+    const editor = document.getElementById('outline-editor');
+
+    if (contentDiv && editArea && editor) {
+        // Get current JSON content - 优先从pre元素获取
+        let jsonContent = '';
+        const preElement = contentDiv.querySelector('pre');
+        if (preElement) {
+            jsonContent = preElement.textContent || preElement.innerText || '';
+        } else {
+            // 如果没有pre元素，从整个div获取内容
+            jsonContent = contentDiv.textContent || contentDiv.innerText || '';
+        }
+
+        // Try to parse and reformat the JSON for better editing
+        try {
+            const parsed = JSON.parse(jsonContent);
+            jsonContent = JSON.stringify(parsed, null, 2);
+        } catch (e) {
+            console.warn('Content is not valid JSON, using as-is:', e);
+        }
+
+        editor.value = jsonContent;
+
+        // Hide content, show editor
+        contentDiv.style.display = 'none';
+        editArea.style.display = 'block';
+    }
+}
+
+function cancelEditOutlineNew() {
+    const contentDiv = document.getElementById('outline-content-display');
+    const editArea = document.getElementById('outline-edit-area');
+
+    if (contentDiv && editArea) {
+        // Show content, hide editor
+        contentDiv.style.display = 'block';
+        editArea.style.display = 'none';
+    }
+}
+
+// JSON validation function
+function validateJSON() {
+    const editor = document.getElementById('outline-editor');
+    if (!editor) return;
+
+    try {
+        const jsonData = JSON.parse(editor.value);
+
+        // Validate required structure
+        if (!jsonData.title) {
+            throw new Error('缺少必需字段: title');
+        }
+        if (!jsonData.slides || !Array.isArray(jsonData.slides)) {
+            throw new Error('缺少必需字段: slides (必须是数组)');
+        }
+
+        // Validate each slide
+        for (let i = 0; i < jsonData.slides.length; i++) {
+            const slide = jsonData.slides[i];
+            if (!slide.title) {
+                throw new Error(`第${i+1}个幻灯片缺少title字段`);
+            }
+            if (!slide.content_points || !Array.isArray(slide.content_points)) {
+                throw new Error(`第${i+1}个幻灯片缺少content_points字段 (必须是数组)`);
+            }
+            if (!slide.slide_type) {
+                throw new Error(`第${i+1}个幻灯片缺少slide_type字段`);
+            }
+        }
+
+        // Format and update editor content
+        editor.value = JSON.stringify(jsonData, null, 2);
+
+        alert('✅ JSON格式验证通过！');
+        return true;
+
+    } catch (error) {
+        alert('❌ JSON格式错误: ' + error.message);
+        return false;
+    }
+}
+
+async function saveOutlineEditNew() {
+    const editor = document.getElementById('outline-editor');
+    const contentDiv = document.getElementById('outline-content-display');
+
+    if (!editor || !contentDiv) return;
+
+    // Validate JSON before saving
+    if (!validateJSON()) {
+        return;
+    }
+
+    try {
+        const response = await fetch(`/projects/${currentProjectId}/update-outline`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                outline_content: editor.value
+            })
+        });
+
+        if (response.ok) {
+            // Update display content with formatted JSON - 使用textContent避免HTML转义问题
+            const preElement = document.createElement('pre');
+            preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+            preElement.textContent = editor.value;
+            contentDiv.innerHTML = '';
+            contentDiv.appendChild(preElement);
+
+            // Hide editor, show content
+            cancelEditOutlineNew();
+
+            // Show success message
+            alert('✅ 大纲已更新');
+
+            // 立即更新大纲视图，确保使用最新的数据
+            setTimeout(() => {
+                // 强制刷新大纲视图，使用编辑器中的最新内容
+                try {
+                    const parsedOutline = JSON.parse(editor.value);
+
+                    // 如果当前是大纲视图，重新渲染
+                    if (currentView === 'outline') {
+                        renderOutlineView();
+                    }
+
+                    // 如果当前是新的大纲视图，强制使用最新数据重新渲染
+                    if (currentViewNew === 'outline') {
+                        // 直接传递解析后的大纲数据，避免从DOM重新读取
+                        renderOutlineViewNewWithData(parsedOutline);
+                    }
+                } catch (parseError) {
+                    console.error('Failed to parse updated outline:', parseError);
+                    // 如果解析失败，仍然尝试常规渲染
+                    if (currentView === 'outline') {
+                        renderOutlineView();
+                    }
+                    if (currentViewNew === 'outline') {
+                        renderOutlineViewNew();
+                    }
+                }
+            }, 100); // 减少延迟，立即更新
+        } else {
+            alert('❌ 保存失败，请重试');
+        }
+    } catch (error) {
+        console.error('Error saving outline:', error);
+        alert('❌ 保存失败: ' + error.message);
+    }
+}
+
+function confirmOutlineNew() {
+    if (confirm('确认大纲内容？')) {
+        // Mark outline as confirmed
+        fetch(`/projects/${currentProjectId}/confirm-outline`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            }
+        }).then(response => {
+            if (response.ok) {
+                // Hide edit/confirm buttons and show start PPT button
+                const actionsDiv = document.getElementById('outline-actions');
+                if (actionsDiv) {
+                    actionsDiv.style.display = 'none';
+                }
+
+                // Show start PPT generation button
+                showStartPPTButton();
+            } else {
+                alert('确认失败，请重试');
+            }
+        }).catch(error => {
+            console.error('Error confirming outline:', error);
+            alert('确认失败: ' + error.message);
+        });
+    }
+}
+
+
+
+// Show start PPT generation button
+function showStartPPTButton() {
+    // Check if button already exists
+    let startPPTButton = document.getElementById('start-ppt-button');
+
+    if (!startPPTButton) {
+        // Create start PPT button only if it doesn't exist
+        const outlineSection = document.getElementById('outline-section');
+        if (outlineSection) {
+            startPPTButton = document.createElement('div');
+            startPPTButton.id = 'start-ppt-button';
+            startPPTButton.style.cssText = 'text-align: center; margin-top: 30px; padding: 20px; background: #e8f5e8; border-radius: 10px; border: 2px solid #27ae60;';
+
+            startPPTButton.innerHTML = `
+                <button onclick="startPPTGenerationFromOutline()" class="btn btn-success btn-lg" style="padding: 15px 30px; font-size: 18px;">
+                    <i class="fas fa-rocket"></i> 开始生成PPT
+                </button>
+            `;
+
+            // Insert after outline section
+            outlineSection.parentNode.insertBefore(startPPTButton, outlineSection.nextSibling);
+        }
+    }
+
+    if (startPPTButton) {
+        startPPTButton.style.display = 'block';
+    }
+}
+
+// Hide start PPT generation button
+function hideStartPPTButton() {
+    const startPPTButton = document.getElementById('start-ppt-button');
+    if (startPPTButton) {
+        startPPTButton.style.display = 'none';
+    }
+}
+
+// Start PPT generation from outline
+function startPPTGenerationFromOutline() {
+
+    if (confirm('确认开始生成PPT？这将跳转到模板选择页面。')) {
+        // Redirect to template selection page
+        window.location.href = `/projects/${currentProjectId}/template-selection`;
+    }
+}
+
+// 重试流式大纲生成函数
+function retryStreamingOutlineGeneration() {
+    console.log('Retrying streaming outline generation');
+
+    // 重置状态 - 这里不需要重置outlineGenerationStarted，因为流式生成有自己的逻辑
+
+    // 清除错误内容
+    const stageId = 'outline_generation';
+    const contentDiv = document.getElementById(`outline-content-${stageId}`);
+    if (contentDiv) {
+        contentDiv.innerHTML = '';
+        console.log('Cleared streaming outline content for retry');
+    } else {
+        console.error('Streaming outline content div not found!');
+    }
+
+    // 调用生成函数
+    startOutlineGeneration();
+}
+
+// Start outline generation with streaming
+async function startOutlineGeneration() {
+    console.log('Starting outline generation with streaming');
+
+    const stageId = 'outline_generation';
+    const outputDiv = document.getElementById(`outline-output-${stageId}`);
+    const contentDiv = document.getElementById(`outline-content-${stageId}`);
+    const cursorDiv = document.getElementById(`outline-cursor-${stageId}`);
+
+    if (!outputDiv || !contentDiv || !cursorDiv) {
+        console.error('Outline output elements not found');
+        return;
+    }
+
+    // Show output area
+    outputDiv.style.display = 'block';
+    contentDiv.textContent = '';
+    cursorDiv.style.display = 'inline-block';
+
+    // Update stage status to running
+    const stageElement = document.querySelector(`[data-stage-id="${stageId}"]`);
+    if (stageElement) {
+        const statusIcon = stageElement.querySelector('.stage-status-icon');
+        if (statusIcon) {
+            statusIcon.innerHTML = '<div style="display: inline-block; width: 12px; height: 12px; border: 2px solid #f3f3f3; border-top: 2px solid #f39c12; border-radius: 50%; animation: spin 1s linear infinite;"></div>';
+        }
+    }
+
+    try {
+        const response = await fetch(`/projects/${currentProjectId}/outline-stream`);
+        const reader = response.body.getReader();
+        const decoder = new TextDecoder();
+
+        while (true) {
+            const { done, value } = await reader.read();
+            if (done) break;
+
+            const chunk = decoder.decode(value);
+            const lines = chunk.split('\n');
+
+            for (const line of lines) {
+                if (line.startsWith('data: ')) {
+                    try {
+                        const data = JSON.parse(line.slice(6));
+
+                        if (data.error) {
+                            // 显示错误信息和重新生成按钮
+                            contentDiv.innerHTML = `
+                                <div style="color: #e74c3c; text-align: center; padding: 20px;">
+                                    <i class="fas fa-exclamation-triangle" style="font-size: 24px; margin-bottom: 10px;"></i>
+                                    <div style="margin-bottom: 15px;">大纲生成失败</div>
+                                    <div style="font-size: 14px; margin-bottom: 20px; color: #7f8c8d;">${data.error}</div>
+                                    <button onclick="retryStreamingOutlineGeneration()" class="btn btn-warning btn-sm">
+                                        <i class="fas fa-sync"></i> 重新生成大纲
+                                    </button>
+                                </div>
+                            `;
+                            cursorDiv.style.display = 'none';
+                            if (stageElement) {
+                                const statusIcon = stageElement.querySelector('.stage-status-icon');
+                                if (statusIcon) statusIcon.textContent = '❌';
+                            }
+                            return;
+                        }
+
+                        if (data.content) {
+                            contentDiv.textContent += data.content;
+                            contentDiv.scrollTop = contentDiv.scrollHeight;
+                        }
+
+                        if (data.done) {
+                            cursorDiv.style.display = 'none';
+                            if (stageElement) {
+                                const statusIcon = stageElement.querySelector('.stage-status-icon');
+                                if (statusIcon) statusIcon.textContent = '✓';
+                            }
+
+                            // 格式化JSON内容并用pre元素包装
+                            try {
+                                const jsonContent = contentDiv.textContent;
+                                const parsed = JSON.parse(jsonContent);
+                                const formattedContent = JSON.stringify(parsed, null, 2);
+
+                                // 创建pre元素来正确显示JSON
+                                const preElement = document.createElement('pre');
+                                preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+                                preElement.textContent = formattedContent;
+                                contentDiv.innerHTML = '';
+                                contentDiv.appendChild(preElement);
+
+                                console.log('Successfully formatted JSON outline with', parsed.slides ? parsed.slides.length : 0, 'slides');
+                            } catch (e) {
+                                console.warn('Failed to parse JSON content for formatting:', e);
+                                // 保持原始内容，但仍然用pre包装
+                                const preElement = document.createElement('pre');
+                                preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+                                preElement.textContent = contentDiv.textContent;
+                                contentDiv.innerHTML = '';
+                                contentDiv.appendChild(preElement);
+                            }
+
+                            // Update the header to show completion
+                            const outputDiv = document.getElementById(`outline-output-${stageId}`);
+                            if (outputDiv) {
+                                const header = outputDiv.querySelector('h6');
+                                if (header && !header.querySelector('.completion-badge')) {
+                                    const badge = document.createElement('span');
+                                    badge.className = 'completion-badge';
+                                    badge.style.cssText = 'color: #27ae60; font-size: 0.8em; margin-left: 10px;';
+                                    badge.textContent = '✅ 生成完成';
+                                    header.appendChild(badge);
+                                }
+                            }
+
+                            // 延迟刷新页面，让用户有时间看到格式化的内容
+                            setTimeout(() => {
+                                window.location.reload();
+                            }, 3000);
+                            return;
+                        }
+                    } catch (e) {
+                        console.error('Error parsing outline stream data:', e);
+                    }
+                }
+            }
+        }
+    } catch (error) {
+        console.error('Error streaming outline generation:', error);
+        // 显示连接错误和重新生成按钮
+        contentDiv.innerHTML = `
+            <div style="color: #e74c3c; text-align: center; padding: 20px;">
+                <i class="fas fa-exclamation-triangle" style="font-size: 24px; margin-bottom: 10px;"></i>
+                <div style="margin-bottom: 15px;">连接失败</div>
+                <div style="font-size: 14px; margin-bottom: 20px; color: #7f8c8d;">连接错误: ${error.message}</div>
+                <button onclick="retryStreamingOutlineGeneration()" class="btn btn-warning btn-sm">
+                    <i class="fas fa-sync"></i> 重新生成大纲
+                </button>
+            </div>
+        `;
+        cursorDiv.style.display = 'none';
+        if (stageElement) {
+            const statusIcon = stageElement.querySelector('.stage-status-icon');
+            if (statusIcon) statusIcon.textContent = '❌';
+        }
+    }
+}
+
+// Start execution for a complete stage
+async function startStageExecution(stageId) {
+    console.log(`Starting stage execution for: ${stageId}`);
+
+    // Special handling for outline generation
+    if (stageId === 'outline_generation') {
+        // 检查是否已经开始了新的大纲生成
+        if (outlineGenerationStarted) {
+            console.log('Outline generation already started via new method, skipping stage execution...');
+            return;
+        }
+        return startOutlineGeneration();
+    }
+
+    const taskItem = document.querySelector(`[data-stage-id="${stageId}"]`);
+    if (!taskItem) {
+        console.error(`Task item not found for stage: ${stageId}`);
+        return;
+    }
+
+    // Check if stage is already running or completed
+    const stageStatusIcon = taskItem.querySelector('.stage-status-icon');
+    if (stageStatusIcon && (stageStatusIcon.textContent === '✓' || stageStatusIcon.innerHTML.includes('spin'))) {
+        console.log(`Stage ${stageId} is already running or completed`);
+        return;
+    }
+
+    const statusIcon = taskItem.querySelector('.task-status');
+    const outputDiv = taskItem.querySelector('.task-output');
+    const outputContent = taskItem.querySelector('.output-content');
+    const outputCursor = taskItem.querySelector('.output-cursor');
+    const streamBtn = taskItem.querySelector('.btn-stream');
+
+    // Update UI
+    taskItem.classList.add('active');
+    statusIcon.textContent = '🔄';
+    outputDiv.style.display = 'block';
+    outputContent.textContent = '';
+    outputCursor.classList.remove('hidden');
+    streamBtn.disabled = true;
+    streamBtn.textContent = '处理中...';
+
+    // If this is PPT creation stage, show editor button immediately
+    if (stageId === 'ppt_creation') {
+        // Show the existing editor button if it exists
+        const existingEditorBtn = document.getElementById(`editor-btn-${stageId}`);
+        if (existingEditorBtn) {
+            existingEditorBtn.style.display = 'inline-block';
+            console.log('Editor button shown for PPT creation stage');
+        } else {
+            // Create new editor button if not exists
+            const editorBtn = document.createElement('button');
+            editorBtn.onclick = openEditor;
+            editorBtn.className = 'editor-btn';
+            editorBtn.style.cssText = 'background: #27ae60; color: white; border: none; padding: 6px 12px; border-radius: 6px; font-size: 0.8em; cursor: pointer; margin-left: 8px;';
+            editorBtn.innerHTML = '<i class="fas fa-edit"></i> 打开编辑器';
+
+            // Insert after the stream button
+            if (streamBtn && streamBtn.parentNode) {
+                streamBtn.parentNode.insertBefore(editorBtn, streamBtn.nextSibling);
+            }
+
+            console.log('Editor button created for PPT creation stage');
+        }
+    }
+
+    try {
+        const response = await fetch(`/projects/${currentProjectId}/stage-stream/${stageId}`);
+        const reader = response.body.getReader();
+        const decoder = new TextDecoder();
+
+        while (true) {
+            const { done, value } = await reader.read();
+            if (done) break;
+
+            const chunk = decoder.decode(value);
+            const lines = chunk.split('\n');
+
+            for (const line of lines) {
+                if (line.startsWith('data: ')) {
+                    try {
+                        const data = JSON.parse(line.slice(6));
+
+                        if (data.error) {
+                            outputContent.textContent = `错误: ${data.error}`;
+                            statusIcon.textContent = '❌';
+                            streamBtn.disabled = false;
+                            streamBtn.textContent = '重试';
+
+                            // If stage is already running or completed, don't show as error
+                            if (data.error.includes('already running') || data.error.includes('already completed')) {
+                                outputContent.textContent = `提示: ${data.error}`;
+                                statusIcon.textContent = '⚠️';
+                                streamBtn.style.display = 'none';
+                            }
+                            break;
+                        }
+
+                        if (data.content) {
+                            outputContent.textContent += data.content;
+                            outputDiv.scrollTop = outputDiv.scrollHeight;
+                        }
+
+                        if (data.done) {
+                            outputCursor.classList.add('hidden');
+                            statusIcon.textContent = '✅';
+                            streamBtn.textContent = '完成';
+                            streamBtn.style.display = 'none';
+
+                            // 如果是大纲生成阶段，格式化JSON内容
+                            if (stageId === 'outline_generation') {
+                                try {
+                                    const jsonContent = outputContent.textContent;
+                                    const parsed = JSON.parse(jsonContent);
+                                    const formattedContent = JSON.stringify(parsed, null, 2);
+
+                                    // 创建pre元素来正确显示JSON
+                                    const preElement = document.createElement('pre');
+                                    preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+                                    preElement.textContent = formattedContent;
+                                    outputContent.innerHTML = '';
+                                    outputContent.appendChild(preElement);
+
+                                    console.log('Successfully formatted JSON outline with', parsed.slides ? parsed.slides.length : 0, 'slides');
+                                } catch (e) {
+                                    console.warn('Failed to parse JSON content for formatting:', e);
+                                    // 保持原始内容，但仍然用pre包装
+                                    const preElement = document.createElement('pre');
+                                    preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+                                    preElement.textContent = outputContent.textContent;
+                                    outputContent.innerHTML = '';
+                                    outputContent.appendChild(preElement);
+                                }
+                            }
+
+                            // If this is PPT creation stage, update editor button text
+                            if (stageId === 'ppt_creation') {
+                                const existingEditorBtn = taskItem.querySelector('.editor-btn');
+                                if (existingEditorBtn) {
+                                    existingEditorBtn.innerHTML = '<i class="fas fa-edit"></i> 查看PPT';
+                                    console.log('Updated editor button text to "查看PPT"');
+                                }
+                            }
+
+                            // Refresh the page to show updated progress
+                            setTimeout(() => {
+                                window.location.reload();
+                            }, 2000);
+                            break;
+                        }
+                    } catch (e) {
+                        console.error('Error parsing stream data:', e);
+                    }
+                }
+            }
+        }
+    } catch (error) {
+        console.error('Error streaming stage:', error);
+        outputContent.textContent = `连接错误: ${error.message}`;
+        statusIcon.textContent = '❌';
+    } finally {
+        streamBtn.disabled = false;
+        if (streamBtn.textContent === '处理中...') {
+            streamBtn.textContent = '重试';
+        }
+    }
+}
+
+function startStage(stageId) {
+    updateStageStatus(stageId, 'running');
+}
+
+function completeStage(stageId) {
+    updateStageStatus(stageId, 'completed', 100);
+}
+
+function retryStage(stageId) {
+    updateStageStatus(stageId, 'running', 0);
+}
+
+// Continue from a specific stage - reset all subsequent stages and start from the selected stage
+async function continueFromStage(stageId) {
+    console.log(`Continue from stage: ${stageId}`);
+
+    // Show confirmation dialog
+    const confirmMessage = `确定要从"${getStageDisplayName(stageId)}"步骤重新开始吗？\n\n这将重置该步骤及之后的所有步骤，并重新执行工作流程。`;
+
+    if (!confirm(confirmMessage)) {
+        return;
+    }
+
+    try {
+        // Call backend API to reset stages from the selected stage
+        const response = await fetch(`/api/projects/${currentProjectId}/continue-from-stage`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                stage_id: stageId
+            })
+        });
+
+        if (response.ok) {
+            const result = await response.json();
+
+            // Show success message
+            alert(`已从"${getStageDisplayName(stageId)}"步骤重新开始，正在重新执行工作流程...`);
+
+            // Reload page to show updated status
+            setTimeout(() => {
+                window.location.reload();
+            }, 1000);
+        } else {
+            const error = await response.json();
+            throw new Error(error.detail || '重新开始失败');
+        }
+    } catch (error) {
+        console.error('Error continuing from stage:', error);
+        alert('重新开始失败: ' + error.message);
+    }
+}
+
+// Get display name for stage ID
+function getStageDisplayName(stageId) {
+    const stageNames = {
+        'requirements_confirmation': '需求确认',
+        'outline_generation': '大纲生成',
+        'theme_configuration': '主题配置',
+        'content_enhancement': '内容增强',
+        'ppt_creation': 'PPT生成',
+        'quality_review': '质量审核'
+    };
+
+    return stageNames[stageId] || stageId;
+}
+
+async function updateStageStatus(stageId, status, progress = null) {
+    try {
+        const response = await fetch(`/api/projects/${currentProjectId}/stages/${stageId}`, {
+            method: 'PUT',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                status: status,
+                progress: progress
+            })
+        });
+
+        if (response.ok) {
+            // Reload page to show updated status
+            setTimeout(() => {
+                window.location.reload();
+            }, 500);
+        } else {
+            alert('更新失败，请重试');
+        }
+    } catch (error) {
+        console.error('Error updating stage:', error);
+        alert('更新失败: ' + error.message);
+    }
+}
+
+// Silent version that doesn't reload the page (for regeneration scenarios)
+async function updateStageStatusSilent(stageId, status, progress = null) {
+    try {
+        const response = await fetch(`/api/projects/${currentProjectId}/stages/${stageId}`, {
+            method: 'PUT',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                status: status,
+                progress: progress
+            })
+        });
+
+        if (!response.ok) {
+            console.warn('Failed to update stage status silently');
+        }
+    } catch (error) {
+        console.error('Error updating stage silently:', error);
+    }
+}
+
+// Subtask management functions removed - now using complete stage execution
+
+// Real-time updates
+setInterval(async function() {
+    try {
+        const response = await fetch(`/api/projects/${currentProjectId}/todo`);
+        const todoData = await response.json();
+
+        // Update overall progress
+        const progressBar = document.querySelector('.overall-progress-bar');
+        const progressText = document.querySelector('.overall-progress-text');
+        const progressDetails = document.querySelector('.progress-details');
+
+        if (progressBar && progressText && todoData.overall_progress !== undefined) {
+            progressBar.style.width = todoData.overall_progress + '%';
+            progressText.textContent = `总体进度: ${todoData.overall_progress.toFixed(1)}%`;
+        }
+
+        if (progressDetails && todoData.stages && Array.isArray(todoData.stages)) {
+            const completedStages = todoData.stages.filter(s => s.status === 'completed').length;
+            progressDetails.textContent = `已完成 ${completedStages} / ${todoData.stages.length} 个阶段`;
+        }
+
+        // Hide connection error if update is successful
+        const errorElement = document.getElementById('connection-error');
+        if (errorElement) {
+            errorElement.style.display = 'none';
+        }
+
+        // Update stage indicators
+        if (todoData.stages && Array.isArray(todoData.stages)) {
+            todoData.stages.forEach(stage => {
+            const stageElement = document.querySelector(`[data-stage-id="${stage.id}"]`);
+            if (stageElement) {
+                const icon = stageElement.querySelector('.stage-status-icon');
+                const progressBar = stageElement.querySelector('.stage-progress-bar');
+                const progressText = stageElement.querySelector('.stage-progress-text');
+                const taskStatus = stageElement.querySelector('.task-status');
+
+                // Update status icon
+                if (stage.status === 'completed') {
+                    icon.textContent = '✓';
+                    icon.parentElement.style.background = '#27ae60';
+                    if (taskStatus) taskStatus.textContent = '✅';
+
+                    // Auto-start outline generation when requirements confirmation is completed
+                    if (stage.id === 'requirements_confirmation') {
+                        const outlineStage = document.querySelector('[data-stage-id="outline_generation"]');
+                        const outlineStatus = outlineStage?.querySelector('.stage-status-icon')?.textContent;
+                        if (outlineStatus === '⏳') {
+                            console.log('Requirements just completed, starting outline generation');
+                            setTimeout(() => {
+                                startStageExecution('outline_generation');
+                            }, 2000); // Wait 2 seconds for UI to update
+                        }
+                    }
+                } else if (stage.status === 'running') {
+                    icon.innerHTML = '<div style="width: 16px; height: 16px; border: 2px solid white; border-top: 2px solid transparent; border-radius: 50%; animation: spin 1s linear infinite;"></div>';
+                    icon.parentElement.style.background = '#3498db';
+                    if (taskStatus) taskStatus.textContent = '🔄';
+
+                    // Show editor button for PPT creation stage when it starts running
+                    if (stage.id === 'ppt_creation') {
+                        const editorBtn = document.getElementById(`editor-btn-${stage.id}`);
+                        if (editorBtn) {
+                            editorBtn.style.display = 'inline-block';
+                        }
+                    }
+                } else if (stage.status === 'failed') {
+                    icon.textContent = '✗';
+                    icon.parentElement.style.background = '#e74c3c';
+                    if (taskStatus) taskStatus.textContent = '❌';
+                }
+
+                // Update progress bar
+                if (progressBar && progressText && stage.status === 'running') {
+                    progressBar.style.width = stage.progress + '%';
+                    progressText.textContent = stage.progress.toFixed(1) + '%';
+                }
+            }
+        });
+        }
+
+    } catch (error) {
+        console.error('Error updating TODO board:', error);
+        // Show connection error message
+        const errorElement = document.getElementById('connection-error');
+        if (errorElement) {
+            errorElement.style.display = 'block';
+            errorElement.textContent = '连接错误，请刷新页面重试';
+        }
+    }
+}, 3000); // Update every 3 seconds
+
+// Modal functionality removed - using direct stage execution
+
+// Open editor function
+function openEditor() {
+    console.log(`Opening editor for project: ${currentProjectId}`);
+    const editorUrl = `/projects/${currentProjectId}/edit`;
+    console.log(`Editor URL: ${editorUrl}`);
+    window.open(editorUrl, '_blank');
+}
+
+// Auto-start workflow when page loads
+document.addEventListener('DOMContentLoaded', function() {
+    // Check if we just came from requirements confirmation (URL parameter or session storage)
+    const urlParams = new URLSearchParams(window.location.search);
+    const fromRequirements = urlParams.get('from_requirements') === 'true' ||
+                            sessionStorage.getItem('requirements_just_confirmed') === 'true';
+
+    // Clear the session storage flag
+    sessionStorage.removeItem('requirements_just_confirmed');
+
+    // Check requirements confirmation status and outline generation status
+    const requirementsStage = document.querySelector('[data-stage-id="requirements_confirmation"]');
+    const outlineStage = document.querySelector('[data-stage-id="outline_generation"]');
+
+    const requirementsCompleted = requirementsStage?.querySelector('.stage-status-icon')?.textContent === '✓';
+    const outlineStatus = outlineStage?.querySelector('.stage-status-icon')?.textContent;
+
+    // Auto-start outline generation if requirements just confirmed or if requirements completed and outline pending
+    if ((fromRequirements || requirementsCompleted) && outlineStatus === '⏳') {
+        // Requirements confirmed, automatically start outline generation (second step)
+        console.log('Requirements confirmed, starting outline generation automatically');
+        // 只有在不是来自需求确认页面时才调用，避免重复调用
+        if (!fromRequirements) {
+            setTimeout(() => {
+                startOutlineGenerationNew();
+            }, 1000);
+        }
+    } else if (!requirementsCompleted) {
+        // Check if this is a new project (all stages are pending)
+        const stages = document.querySelectorAll('.todo-stage');
+        let allPending = true;
+
+        stages.forEach(stage => {
+            const statusIcon = stage.querySelector('.stage-status-icon');
+            if (statusIcon && statusIcon.textContent !== '⏳') {
+                allPending = false;
+            }
+        });
+
+        if (allPending) {
+            // Start the workflow automatically for requirements confirmation
+            setTimeout(() => {
+                fetch(`/projects/${currentProjectId}/start-workflow`, {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json',
+                    }
+                }).then(response => {
+                    if (response.ok) {
+                        console.log('Workflow started automatically');
+                    } else {
+                        console.error('Failed to start workflow');
+                    }
+                }).catch(error => {
+                    console.error('Error starting workflow:', error);
+                });
+            }, 2000); // Wait 2 seconds after page load
+        }
+    }
+});
+
+// Sequential stage execution - simplified to not interfere with backend workflow
+async function startSequentialStageExecution() {
+    console.log('Workflow started automatically');
+    // The backend workflow will handle the actual execution
+    // Frontend just monitors progress through real-time updates
+}
+
+// Execute a single stage and wait for completion
+async function executeStageAndWait(stageId) {
+    return new Promise((resolve, reject) => {
+        const taskItem = document.querySelector(`[data-stage-id="${stageId}"]`);
+        if (!taskItem) {
+            resolve();
+            return;
+        }
+
+        const statusIcon = taskItem.querySelector('.task-status');
+        const outputDiv = taskItem.querySelector('.task-output');
+        const outputContent = taskItem.querySelector('.output-content');
+        const outputCursor = taskItem.querySelector('.output-cursor');
+        const streamBtn = taskItem.querySelector('.btn-stream');
+
+        // Update UI
+        taskItem.classList.add('active');
+        statusIcon.textContent = '🔄';
+        outputDiv.style.display = 'block';
+        outputContent.textContent = '';
+        outputCursor.classList.remove('hidden');
+        if (streamBtn) {
+            streamBtn.disabled = true;
+            streamBtn.textContent = '处理中...';
+        }
+
+        // Start streaming
+        fetch(`/projects/${currentProjectId}/stage-stream/${stageId}`)
+            .then(response => response.body.getReader())
+            .then(reader => {
+                const decoder = new TextDecoder();
+
+                function readStream() {
+                    return reader.read().then(({ done, value }) => {
+                        if (done) {
+                            // Stream completed
+                            outputCursor.classList.add('hidden');
+                            statusIcon.textContent = '✅';
+                            if (streamBtn) {
+                                streamBtn.textContent = '完成';
+                                streamBtn.disabled = false;
+                                streamBtn.style.display = 'none';
+                            }
+
+                            // Small delay before resolving to ensure UI updates
+                            setTimeout(() => {
+                                resolve();
+                            }, 500);
+                            return;
+                        }
+
+                        const chunk = decoder.decode(value);
+                        const lines = chunk.split('\n');
+
+                        for (const line of lines) {
+                            if (line.startsWith('data: ')) {
+                                try {
+                                    const data = JSON.parse(line.slice(6));
+
+                                    if (data.error) {
+                                        outputContent.textContent = `错误: ${data.error}`;
+                                        statusIcon.textContent = '❌';
+                                        reject(new Error(data.error));
+                                        return;
+                                    }
+
+                                    if (data.content) {
+                                        outputContent.textContent += data.content;
+                                        outputDiv.scrollTop = outputDiv.scrollHeight;
+                                    }
+
+                                    if (data.done) {
+                                        outputCursor.classList.add('hidden');
+                                        statusIcon.textContent = '✅';
+                                        if (streamBtn) {
+                                            streamBtn.textContent = '完成';
+                                            streamBtn.disabled = false;
+                                        }
+
+                                        // 如果是大纲生成相关的流式处理，格式化JSON内容
+                                        if (stageId === 'outline_generation' || outputContent.textContent.trim().startsWith('{')) {
+                                            try {
+                                                const jsonContent = outputContent.textContent;
+                                                const parsed = JSON.parse(jsonContent);
+                                                const formattedContent = JSON.stringify(parsed, null, 2);
+
+                                                // 创建pre元素来正确显示JSON
+                                                const preElement = document.createElement('pre');
+                                                preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+                                                preElement.textContent = formattedContent;
+                                                outputContent.innerHTML = '';
+                                                outputContent.appendChild(preElement);
+
+                                                console.log('Successfully formatted JSON content with', parsed.slides ? parsed.slides.length : 0, 'slides');
+                                            } catch (e) {
+                                                console.warn('Failed to parse JSON content for formatting:', e);
+                                                // 保持原始内容，但仍然用pre包装
+                                                const preElement = document.createElement('pre');
+                                                preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+                                                preElement.textContent = outputContent.textContent;
+                                                outputContent.innerHTML = '';
+                                                outputContent.appendChild(preElement);
+                                            }
+                                        }
+
+                                        resolve();
+                                        return;
+                                    }
+                                } catch (e) {
+                                    console.error('Error parsing stream data:', e);
+                                }
+                            }
+                        }
+
+                        return readStream();
+                    });
+                }
+
+                return readStream();
+            })
+            .catch(error => {
+                console.error('Error streaming subtask:', error);
+                outputContent.textContent = `连接错误: ${error.message}`;
+                statusIcon.textContent = '❌';
+                if (streamBtn) {
+                    streamBtn.disabled = false;
+                    streamBtn.textContent = '重试';
+                }
+                reject(error);
+            });
+    });
+}
+
+// Update stage visual status
+function updateStageVisualStatus(stageElement, status) {
+    const statusIcon = stageElement.querySelector('.stage-status-icon');
+    const progressBar = stageElement.querySelector('.stage-progress-bar');
+
+    if (status === 'running') {
+        if (statusIcon) statusIcon.textContent = '🔄';
+        if (progressBar) progressBar.style.width = '50%';
+        stageElement.style.borderLeft = '4px solid #f39c12';
+    } else if (status === 'completed') {
+        if (statusIcon) statusIcon.textContent = '✅';
+        if (progressBar) progressBar.style.width = '100%';
+        stageElement.style.borderLeft = '4px solid #27ae60';
+    }
+}
+
+
+let currentView = 'outline';
+let mindmapData = null;
+let selectedNode = null;
+let editingNode = null;
+let mindmapSvg = null;
+let mindmapZoom = null;
+
+// 切换大纲视图（JSON编辑器 vs 大纲视图）
+function switchOutlineView(viewType) {
+    const jsonView = document.getElementById('json-view');
+    const outlineView = document.getElementById('outline-view');
+    const jsonBtn = document.getElementById('json-view-btn');
+    const outlineBtn = document.getElementById('outline-view-btn');
+
+    if (viewType === 'json') {
+        // 切换到JSON视图
+        if (jsonView) jsonView.style.display = 'block';
+        if (outlineView) outlineView.style.display = 'none';
+
+        // 更新按钮样式
+        if (jsonBtn) {
+            jsonBtn.style.background = '#3498db';
+            jsonBtn.style.color = 'white';
+        }
+        if (outlineBtn) {
+            outlineBtn.style.background = 'transparent';
+            outlineBtn.style.color = '#6c757d';
+        }
+
+        currentView = 'json';
+    } else if (viewType === 'outline') {
+        // 切换到大纲视图
+        if (jsonView) jsonView.style.display = 'none';
+        if (outlineView) outlineView.style.display = 'block';
+
+        // 更新按钮样式
+        if (outlineBtn) {
+            outlineBtn.style.background = '#3498db';
+            outlineBtn.style.color = 'white';
+        }
+        if (jsonBtn) {
+            jsonBtn.style.background = 'transparent';
+            jsonBtn.style.color = '#6c757d';
+        }
+
+        currentView = 'outline';
+
+        // 渲染大纲视图
+        renderOutlineView();
+    }
+}
+
+// 渲染大纲视图
+function renderOutlineView() {
+    const outlineContent = getOutlineContent();
+    if (!outlineContent) {
+        console.log('No outline content available');
+        return;
+    }
+
+    try {
+        const parsedOutline = JSON.parse(outlineContent);
+        if (parsedOutline && parsedOutline.slides) {
+            renderOutlinePreview(parsedOutline);
+        }
+    } catch (e) {
+        console.log('Failed to parse outline content for view rendering');
+    }
+}
+
+// 获取大纲内容
+function getOutlineContent() {
+    const outlineDisplay = document.getElementById('outline-content-display');
+    if (!outlineDisplay) return null;
+
+    const preElement = outlineDisplay.querySelector('pre');
+    if (preElement) {
+        let content = preElement.textContent || preElement.innerText || '';
+        return content.trim();
+    }
+
+    // 如果没有pre元素，从整个div获取内容并处理HTML实体
+    let content = outlineDisplay.textContent || outlineDisplay.innerText || '';
+    content = content.replace(/&nbsp;/g, ' ').replace(/\s+/g, ' ');
+    return content.trim();
+}
+
+
+// ========== 大纲预览功能 ==========
+
+let isDetailView = false;
+let currentOutlineData = null;
+
+// 切换大纲视图（简洁视图 vs 详细视图）
+function toggleOutlineView() {
+    const compactView = document.getElementById('compactView');
+    const detailView = document.getElementById('detailView');
+    const toggleText = document.getElementById('viewToggleText');
+
+    if (isDetailView) {
+        compactView.style.display = 'block';
+        detailView.style.display = 'none';
+        toggleText.textContent = '详细视图';
+        isDetailView = false;
+    } else {
+        compactView.style.display = 'none';
+        detailView.style.display = 'block';
+        toggleText.textContent = '简洁视图';
+        isDetailView = true;
+    }
+}
+
+// 渲染大纲预览
+function renderOutlinePreview(outlineData) {
+    if (!outlineData) return;
+
+    currentOutlineData = outlineData;
+
+    // 隐藏空状态，显示内容
+    const emptyDiv = document.getElementById('outline-empty');
+    const loadingDiv = document.getElementById('outline-loading');
+    if (emptyDiv) emptyDiv.style.display = 'none';
+    if (loadingDiv) loadingDiv.style.display = 'none';
+
+    // 渲染简洁视图
+    renderCompactView(outlineData);
+
+    // 渲染详细视图
+    renderDetailView(outlineData);
+}
+
+// 渲染简洁视图
+function renderCompactView(outlineData) {
+    const container = document.getElementById('outline-slides-compact');
+    if (!container || !outlineData.slides) return;
+
+    container.innerHTML = '';
+
+    outlineData.slides.forEach((slide, index) => {
+        const slideCard = document.createElement('div');
+        slideCard.style.cssText = `
+            padding: 15px; background: white; border-radius: 8px;
+            border-left: 4px solid #3498db; transition: all 0.3s ease;
+            box-shadow: 0 2px 4px rgba(0,0,0,0.1); position: relative;
+            cursor: pointer;
+        `;
+
+        slideCard.onmouseover = function() {
+            this.style.transform = 'translateY(-2px)';
+            this.style.boxShadow = '0 4px 8px rgba(0,0,0,0.15)';
+        };
+        slideCard.onmouseout = function() {
+            this.style.transform = 'translateY(0)';
+            this.style.boxShadow = '0 2px 4px rgba(0,0,0,0.1)';
+        };
+
+        const contentPoints = slide.content_points || slide.content || [];
+        const firstPoint = Array.isArray(contentPoints) ? contentPoints[0] : contentPoints;
+        const remainingCount = Array.isArray(contentPoints) ? Math.max(0, contentPoints.length - 1) : 0;
+
+        slideCard.innerHTML = `
+            <div style="display: flex; align-items: center; margin-bottom: 8px;">
+                <span style="background: #3498db; color: white; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 0.8em; font-weight: bold; margin-right: 10px;">
+                    ${slide.page_number || index + 1}
+                </span>
+                <strong style="color: #2c3e50; font-size: 0.9em;">${slide.title || '未命名幻灯片'}</strong>
+            </div>
+            ${slide.subtitle ? `<p style="color: #7f8c8d; font-size: 0.8em; margin: 5px 0; font-style: italic;">${slide.subtitle}</p>` : ''}
+            <div style="color: #666; font-size: 0.8em; line-height: 1.4;">
+                ${firstPoint ? (typeof firstPoint === 'string' ? firstPoint.substring(0, 80) + (firstPoint.length > 80 ? '...' : '') : JSON.stringify(firstPoint).substring(0, 80) + '...') : '<span style="color: #95a5a6;">暂无内容</span>'}
+                ${remainingCount > 0 ? `<br><span style="color: #95a5a6;">+${remainingCount} 个要点</span>` : ''}
+            </div>
+        `;
+
+        slideCard.onclick = () => viewSlideDetail(index);
+        container.appendChild(slideCard);
+    });
+}
+
+// 渲染详细视图
+function renderDetailView(outlineData) {
+    const container = document.getElementById('outline-slides-detail');
+    if (!container || !outlineData.slides) return;
+
+    container.innerHTML = '';
+
+    outlineData.slides.forEach((slide, index) => {
+        const slideDiv = document.createElement('div');
+        slideDiv.style.cssText = `
+            padding: 20px; margin-bottom: 15px; background: #f8f9fa;
+            border-radius: 10px; border-left: 4px solid #3498db; position: relative;
+        `;
+
+        const contentPoints = slide.content_points || slide.content || [];
+        let contentHtml = '';
+
+        if (Array.isArray(contentPoints) && contentPoints.length > 0) {
+            contentHtml = `
+                <div style="margin-top: 10px;">
+                    <h5 style="color: #555; margin-bottom: 8px; font-size: 0.9em;">内容要点：</h5>
+                    <ul style="margin: 0; padding-left: 20px; color: #555; line-height: 1.6;">
+                        ${contentPoints.map(point => `<li style="margin-bottom: 5px;">${point}</li>`).join('')}
+                    </ul>
+                </div>
+            `;
+        } else if (contentPoints) {
+            contentHtml = `
+                <div style="margin-top: 10px;">
+                    <h5 style="color: #555; margin-bottom: 8px; font-size: 0.9em;">内容：</h5>
+                    <div style="background: white; padding: 15px; border-radius: 6px; color: #555; line-height: 1.6; white-space: pre-wrap;">${contentPoints}</div>
+                </div>
+            `;
+        }
+
+        slideDiv.innerHTML = `
+            <div style="display: flex; align-items: center; margin-bottom: 15px;">
+                <span style="background: #3498db; color: white; border-radius: 50%; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px;">
+                    ${slide.page_number || index + 1}
+                </span>
+                <div style="flex: 1;">
+                    <strong style="color: #2c3e50; font-size: 1.1em;">${slide.title || '未命名幻灯片'}</strong>
+                    ${slide.subtitle ? `<br><em style="color: #7f8c8d; font-size: 0.9em;">${slide.subtitle}</em>` : ''}
+                </div>
+            </div>
+            ${contentHtml}
+            ${slide.slide_type ? `<div style="margin-top: 10px;"><span style="background: #e8f4fd; color: #3498db; padding: 4px 8px; border-radius: 4px; font-size: 0.8em;">类型: ${slide.slide_type}</span></div>` : ''}
+        `;
+
+        container.appendChild(slideDiv);
+    });
+}
+
+// 查看幻灯片详情
+function viewSlideDetail(slideIndex) {
+    if (!currentOutlineData || !currentOutlineData.slides || !currentOutlineData.slides[slideIndex]) return;
+
+    const slide = currentOutlineData.slides[slideIndex];
+
+    // 创建模态框显示详细信息
+    const modal = document.createElement('div');
+    modal.style.cssText = `
+        position: fixed; top: 0; left: 0; width: 100%; height: 100%;
+        background: rgba(0,0,0,0.5); z-index: 1000; display: flex;
+        align-items: center; justify-content: center; padding: 20px;
+    `;
+
+    const content = document.createElement('div');
+    content.style.cssText = `
+        background: white; border-radius: 15px; padding: 30px;
+        max-width: 600px; max-height: 80vh; overflow-y: auto;
+        box-shadow: 0 10px 30px rgba(0,0,0,0.3);
+    `;
+
+    const contentPoints = slide.content_points || slide.content || [];
+    let contentHtml = '';
+
+    if (Array.isArray(contentPoints) && contentPoints.length > 0) {
+        contentHtml = `
+            <h5 style="color: #555; margin: 15px 0 8px 0;">内容要点：</h5>
+            <ul style="margin: 0; padding-left: 20px; color: #555; line-height: 1.6;">
+                ${contentPoints.map(point => `<li style="margin-bottom: 5px;">${point}</li>`).join('')}
+            </ul>
+        `;
+    } else if (contentPoints) {
+        contentHtml = `
+            <h5 style="color: #555; margin: 15px 0 8px 0;">内容：</h5>
+            <div style="background: #f8f9fa; padding: 15px; border-radius: 6px; color: #555; line-height: 1.6; white-space: pre-wrap;">${contentPoints}</div>
+        `;
+    }
+
+    content.innerHTML = `
+        <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;">
+            <h3 style="color: #2c3e50; margin: 0;">第${slide.page_number || slideIndex + 1}页详情</h3>
+            <button onclick="this.closest('.modal').remove()" style="background: #e74c3c; color: white; border: none; border-radius: 50%; width: 30px; height: 30px; cursor: pointer; font-size: 16px;">×</button>
+        </div>
+        <h4 style="color: #3498db; margin-bottom: 10px;">${slide.title || '未命名幻灯片'}</h4>
+        ${slide.subtitle ? `<p style="color: #7f8c8d; font-style: italic; margin-bottom: 15px;">${slide.subtitle}</p>` : ''}
+        ${contentHtml}
+        ${slide.slide_type ? `<div style="margin-top: 15px;"><span style="background: #e8f4fd; color: #3498db; padding: 6px 12px; border-radius: 6px; font-size: 0.9em;">类型: ${slide.slide_type}</span></div>` : ''}
+    `;
+
+    modal.className = 'modal';
+    modal.appendChild(content);
+    document.body.appendChild(modal);
+
+    // 点击背景关闭
+    modal.addEventListener('click', (e) => {
+        if (e.target === modal) {
+            modal.remove();
+        }
+    });
+}
+
+// 编辑大纲内容
+function editOutlineContent() {
+    // 获取当前大纲内容
+    let outlineContent = '';
+    if (currentOutlineData) {
+        outlineContent = JSON.stringify(currentOutlineData, null, 2);
+    } else {
+        // 尝试从显示区域获取内容
+        const outlineDisplay = document.getElementById('outline-content-display');
+        if (outlineDisplay) {
+            outlineContent = outlineDisplay.textContent || outlineDisplay.innerText || '';
+        }
+    }
+
+    // 创建编辑模态框
+    const modal = document.createElement('div');
+    modal.style.cssText = `
+        position: fixed; top: 0; left: 0; width: 100%; height: 100%;
+        background: rgba(0,0,0,0.5); z-index: 1000; display: flex;
+        align-items: center; justify-content: center; padding: 20px;
+    `;
+
+    const content = document.createElement('div');
+    content.style.cssText = `
+        background: white; border-radius: 15px; padding: 30px;
+        width: 90%; max-width: 800px; height: 80vh; display: flex;
+        flex-direction: column; box-shadow: 0 10px 30px rgba(0,0,0,0.3);
+    `;
+
+    content.innerHTML = `
+        <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;">
+            <h3 style="color: #2c3e50; margin: 0;">编辑PPT大纲</h3>
+            <button onclick="this.closest('.modal').remove()" style="background: #e74c3c; color: white; border: none; border-radius: 50%; width: 30px; height: 30px; cursor: pointer; font-size: 16px;">×</button>
+        </div>
+        <div style="flex: 1; display: flex; flex-direction: column;">
+            <textarea id="outlineEditor" style="flex: 1; border: 2px solid #ecf0f1; border-radius: 8px; padding: 15px; font-family: 'Courier New', monospace; font-size: 14px; line-height: 1.5; resize: none;" placeholder="编辑大纲JSON...">${outlineContent}</textarea>
+            <div style="display: flex; gap: 8px; margin-top: 15px; justify-content: flex-end;">
+                <button onclick="this.closest('.modal').remove()" class="btn btn-sm" style="background: #95a5a6; color: white;">取消</button>
+                <button onclick="saveOutlineChanges()" class="btn btn-sm btn-primary">保存修改</button>
+            </div>
+        </div>
+    `;
+
+    modal.className = 'modal';
+    modal.appendChild(content);
+    document.body.appendChild(modal);
+}
+
+// 保存大纲修改
+function saveOutlineChanges() {
+    const editor = document.getElementById('outlineEditor');
+    if (!editor) return;
+
+    try {
+        const newOutline = JSON.parse(editor.value);
+
+        // 更新当前大纲数据
+        currentOutlineData = newOutline;
+
+        // 重新渲染预览
+        renderOutlinePreview(newOutline);
+
+        // 更新JSON显示区域
+        const outlineDisplay = document.getElementById('outline-content-display');
+        if (outlineDisplay) {
+            const formattedContent = JSON.stringify(newOutline, null, 2);
+            const preElement = document.createElement('pre');
+            preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+            preElement.textContent = formattedContent;
+            outlineDisplay.innerHTML = '';
+            outlineDisplay.appendChild(preElement);
+        }
+
+        // 保存到服务器
+        fetch(`/projects/${currentProjectId}/update-outline`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                outline_content: JSON.stringify(newOutline, null, 2)
+            })
+        }).then(response => {
+            if (response.ok) {
+                alert('大纲修改成功！');
+                // 关闭模态框
+                document.querySelector('.modal').remove();
+
+                // 立即重新渲染大纲视图，使用最新数据
+                setTimeout(() => {
+                    // 如果当前是大纲视图，重新渲染
+                    if (currentView === 'outline') {
+                        renderOutlineView();
+                    }
+
+                    // 如果当前是新的大纲视图，使用最新数据重新渲染
+                    if (currentViewNew === 'outline') {
+                        renderOutlineViewNewWithData(newOutline);
+                    }
+                }, 100); // 减少延迟
+            } else {
+                alert('保存失败，请重试');
+            }
+        }).catch(error => {
+            console.error('Error saving outline:', error);
+            alert('保存失败: ' + error.message);
+        });
+
+    } catch (error) {
+        if (error instanceof SyntaxError) {
+            alert('JSON格式错误，请检查语法！');
+        } else {
+            console.error('Error saving outline:', error);
+            alert('保存失败: ' + error.message);
+        }
+    }
+}
+
+// 导出大纲为JSON文件
+function exportOutlineJSON() {
+    if (!currentOutlineData) {
+        alert('大纲数据不存在，无法导出');
+        return;
+    }
+
+    const dataStr = JSON.stringify(currentOutlineData, null, 2);
+    const dataBlob = new Blob([dataStr], {type: 'application/json'});
+
+    const link = document.createElement('a');
+    link.href = URL.createObjectURL(dataBlob);
+    link.download = `${(currentOutlineData.title || 'ppt_outline')}_${new Date().toISOString().split('T')[0]}.json`;
+
+    document.body.appendChild(link);
+    link.click();
+    document.body.removeChild(link);
+
+    console.log('大纲JSON文件已导出');
+}
+
+
+// 大纲视图模式切换（简洁视图 vs 详细视图）
+function toggleOutlineViewMode() {
+    isDetailView = !isDetailView;
+    const toggleText = document.getElementById('viewToggleText');
+
+    if (toggleText) {
+        toggleText.textContent = isDetailView ? '简洁视图' : '详细视图';
+    }
+
+    // 重新渲染大纲视图
+    renderOutlineView();
+}
+
+
+
+// 更新JSON编辑器内容
+function updateJsonEditor(jsonString) {
+    const contentDiv = document.getElementById('outline-content-display');
+    if (contentDiv) {
+        // 尝试格式化JSON
+        let formattedContent;
+        let parsedOutline = null;
+        try {
+            parsedOutline = JSON.parse(jsonString);
+            formattedContent = JSON.stringify(parsedOutline, null, 2);
+        } catch (e) {
+            formattedContent = jsonString;
+        }
+
+        // 创建pre元素来正确显示JSON
+        const preElement = document.createElement('pre');
+        preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+        preElement.textContent = formattedContent;
+        contentDiv.innerHTML = '';
+        contentDiv.appendChild(preElement);
+
+        // 如果当前是大纲视图，立即更新大纲显示
+        if (parsedOutline && currentViewNew === 'outline') {
+            setTimeout(() => {
+                renderOutlineViewNewWithData(parsedOutline);
+            }, 100);
+        }
+    }
+}
+
+// 保存大纲到服务器
+async function saveOutlineToServer(jsonString) {
+    try {
+        const response = await fetch(`/projects/${currentProjectId}/update-outline`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                outline_content: jsonString
+            })
+        });
+
+        if (!response.ok) {
+            throw new Error('保存到服务器失败');
+        }
+
+        console.log('大纲已保存到服务器');
+    } catch (error) {
+        console.error('保存到服务器失败:', error);
+        throw error;
+    }
+}
+
+// ========== 辅助函数 ==========
+
+// 隐藏右键菜单
+function hideContextMenu() {
+    const contextMenu = document.getElementById('mindmap-context-menu');
+    if (contextMenu) {
+        contextMenu.style.display = 'none';
+    }
+}
+
+// ========== 事件监听器 ==========
+
+// 页面加载完成后初始化
+document.addEventListener('DOMContentLoaded', function() {
+    // 隐藏右键菜单当点击其他地方时
+    document.addEventListener('click', function(event) {
+        if (!event.target.closest('#mindmap-context-menu')) {
+            hideContextMenu();
+        }
+    });
+
+    // 键盘事件处理
+    document.addEventListener('keydown', function(event) {
+        // ESC键取消编辑
+        if (event.key === 'Escape') {
+            if (document.getElementById('node-edit-modal').style.display === 'block') {
+                cancelNodeEdit();
+            }
+            hideContextMenu();
+            clearNodeSelection();
+        }
+
+        // Enter键保存编辑
+        if (event.key === 'Enter' && document.getElementById('node-edit-modal').style.display === 'block') {
+            saveNodeEdit();
+        }
+    });
+
+    // 页面加载时检查是否有现有的大纲数据
+    setTimeout(function() {
+        const outlineDisplay = document.getElementById('outline-content-display');
+        if (outlineDisplay) {
+            const content = outlineDisplay.textContent || outlineDisplay.innerText || '';
+            if (content.trim()) {
+                try {
+                    const parsedOutline = JSON.parse(content);
+                    if (parsedOutline && parsedOutline.slides) {
+                        // 渲染大纲预览
+                        renderOutlinePreview(parsedOutline);
+
+                        // 如果当前是大纲视图，渲染大纲内容
+                        if (currentView === 'outline') {
+                            renderOutlineView();
+                        }
+
+                        // 如果当前是新的大纲视图，渲染新的大纲内容
+                        if (currentViewNew === 'outline') {
+                            renderOutlineViewNew();
+                        }
+                    }
+                } catch (e) {
+                    console.log('现有内容不是有效的JSON格式');
+                }
+            }
+        }
+    }, 500);
+});
+
+// ========== 全屏功能 ==========
+
+let isFullscreen = false;
+let originalMindmapData = null;
+
+
+
+
+// New view switching functions for the new outline section
+let currentViewNew = 'json'; // Default to JSON view for better compatibility
+let currentEditInput = null; // Track current editing input to prevent duplicates
+
+function switchOutlineViewNew(view) {
+    console.log('Switching to view:', view);
+
+    const jsonViewBtn = document.getElementById('json-view-btn-new');
+    const outlineViewBtn = document.getElementById('outline-view-btn-new');
+    const jsonView = document.getElementById('outline-content-display');
+    const outlineView = document.getElementById('outline-view-new');
+    const actionsDiv = document.getElementById('outline-actions');
+
+    if (!jsonViewBtn || !outlineViewBtn || !jsonView || !outlineView) {
+        console.error('View elements not found');
+        return;
+    }
+
+    currentViewNew = view;
+
+    if (view === 'json') {
+        // Show JSON view
+        jsonView.style.display = 'block';
+        outlineView.style.display = 'none';
+
+        // Show action buttons in JSON view
+        if (actionsDiv) {
+            actionsDiv.style.display = 'block';
+        }
+
+        // Update button styles
+        jsonViewBtn.style.background = '#3498db';
+        jsonViewBtn.style.color = 'white';
+        outlineViewBtn.style.background = 'transparent';
+        outlineViewBtn.style.color = '#6c757d';
+    } else if (view === 'outline') {
+        // Show outline view
+        jsonView.style.display = 'none';
+        outlineView.style.display = 'block';
+
+        // Hide action buttons in outline view
+        if (actionsDiv) {
+            actionsDiv.style.display = 'none';
+        }
+
+        // Update button styles
+        outlineViewBtn.style.background = '#3498db';
+        outlineViewBtn.style.color = 'white';
+        jsonViewBtn.style.background = 'transparent';
+        jsonViewBtn.style.color = '#6c757d';
+
+        // Generate outline view if content exists
+        renderOutlineViewNew();
+    }
+}
+
+// 渲染新的大纲视图
+function renderOutlineViewNew() {
+    let outlineContent = getOutlineContentNew();
+    const outlineContainer = document.getElementById('outline-content-new');
+    const loadingDiv = document.getElementById('outline-loading-new');
+    const errorDiv = document.getElementById('outline-error-new');
+    const emptyDiv = document.getElementById('outline-empty-new');
+
+    if (!outlineContainer) {
+        console.error('Outline container not found');
+        return;
+    }
+
+    // 显示加载状态
+    if (loadingDiv) loadingDiv.style.display = 'block';
+    if (errorDiv) errorDiv.style.display = 'none';
+    if (emptyDiv) emptyDiv.style.display = 'none';
+
+    try {
+        if (!outlineContent) {
+            // 没有内容，显示空状态
+            if (loadingDiv) loadingDiv.style.display = 'none';
+            if (emptyDiv) emptyDiv.style.display = 'block';
+            return;
+        }
+
+        // 额外的内容清理，确保JSON格式正确
+        outlineContent = outlineContent.trim();
+
+        // 如果内容不是以{开头，尝试查找JSON开始位置
+        if (!outlineContent.startsWith('{')) {
+            const jsonStart = outlineContent.indexOf('{');
+            if (jsonStart > 0) {
+                outlineContent = outlineContent.substring(jsonStart);
+                console.log('从位置', jsonStart, '开始提取JSON内容');
+            }
+        }
+
+        // 如果内容不是以}结尾，尝试查找JSON结束位置
+        if (!outlineContent.endsWith('}')) {
+            const jsonEnd = outlineContent.lastIndexOf('}');
+            if (jsonEnd > 0) {
+                outlineContent = outlineContent.substring(0, jsonEnd + 1);
+                console.log('截取到位置', jsonEnd + 1, '的JSON内容');
+            }
+        }
+
+        let parsedOutline;
+        try {
+            parsedOutline = JSON.parse(outlineContent);
+        } catch (parseError) {
+            console.error('JSON解析失败:', parseError);
+            if (loadingDiv) loadingDiv.style.display = 'none';
+            if (errorDiv) errorDiv.style.display = 'block';
+            return;
+        }
+
+        // 使用解析后的数据渲染
+        renderOutlineViewNewWithData(parsedOutline);
+
+    } catch (error) {
+        console.error('渲染大纲视图时出错:', error);
+        if (loadingDiv) loadingDiv.style.display = 'none';
+        if (errorDiv) errorDiv.style.display = 'block';
+    }
+}
+
+// 使用指定数据渲染新的大纲视图
+function renderOutlineViewNewWithData(parsedOutline) {
+    const outlineContainer = document.getElementById('outline-content-new');
+    const loadingDiv = document.getElementById('outline-loading-new');
+    const errorDiv = document.getElementById('outline-error-new');
+    const emptyDiv = document.getElementById('outline-empty-new');
+
+    if (!outlineContainer) {
+        console.error('Outline container not found');
+        return;
+    }
+
+    try {
+        if (!parsedOutline || !parsedOutline.slides) {
+            // 没有有效数据，显示空状态
+            if (loadingDiv) loadingDiv.style.display = 'none';
+            if (errorDiv) errorDiv.style.display = 'none';
+            if (emptyDiv) emptyDiv.style.display = 'block';
+            return;
+        }
+
+        if (!parsedOutline.slides || parsedOutline.slides.length === 0) {
+            // 没有slides数据，显示空状态
+            if (loadingDiv) loadingDiv.style.display = 'none';
+            if (emptyDiv) emptyDiv.style.display = 'block';
+            return;
+        }
+
+        // 渲染大纲内容
+        renderOutlineContentNew(parsedOutline, outlineContainer);
+
+        // 隐藏加载状态
+        if (loadingDiv) loadingDiv.style.display = 'none';
+
+    } catch (error) {
+        console.error('Error rendering outline view with data:', error);
+        if (loadingDiv) loadingDiv.style.display = 'none';
+        if (errorDiv) {
+            errorDiv.style.display = 'block';
+            const errorP = errorDiv.querySelector('p');
+            if (errorP) {
+                errorP.textContent = '大纲渲染失败：' + error.message;
+            }
+        }
+    }
+}
+
+// 大纲视图模式切换（简洁视图 vs 详细视图）
+let isDetailViewNew = false;
+
+function toggleOutlineViewModeNew() {
+    isDetailViewNew = !isDetailViewNew;
+    const toggleText = document.getElementById('viewToggleTextNew');
+
+    if (toggleText) {
+        toggleText.textContent = isDetailViewNew ? '简洁视图' : '详细视图';
+    }
+
+    // 重新渲染大纲视图
+    renderOutlineViewNew();
+}
+
+// 渲染大纲内容
+function renderOutlineContentNew(outline, container) {
+    if (!outline || !outline.slides || !container) {
+        return;
+    }
+
+    // 清空容器
+    container.innerHTML = '';
+
+    // 创建标题区域
+    const titleSection = document.createElement('div');
+    titleSection.style.cssText = 'text-align: center; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 2px solid #ecf0f1;';
+    titleSection.innerHTML = `
+        <h4 style="color: #3498db; margin-bottom: 10px;">${outline.title || '未命名大纲'}</h4>
+        <p style="color: #7f8c8d; margin: 0;">
+            总共 ${outline.slides.length} 页幻灯片 |
+            场景: ${outline.metadata?.scenario || '未指定'} |
+            语言: ${outline.metadata?.language || 'zh'}
+        </p>
+    `;
+    container.appendChild(titleSection);
+
+    // 创建大纲内容区域
+    const contentSection = document.createElement('div');
+    contentSection.style.cssText = 'background: #f8f9fa; border-radius: 10px; padding: 20px;';
+
+    if (isDetailViewNew) {
+        // 详细视图
+        renderDetailedOutlineView(outline.slides, contentSection);
+    } else {
+        // 简洁视图
+        renderCompactOutlineView(outline.slides, contentSection);
+    }
+
+    container.appendChild(contentSection);
+}
+
+// 渲染简洁视图
+function renderCompactOutlineView(slides, container) {
+    const gridContainer = document.createElement('div');
+    gridContainer.style.cssText = 'display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 15px;';
+
+    slides.forEach((slide, index) => {
+        const slideCard = document.createElement('div');
+        slideCard.style.cssText = `
+            padding: 15px; background: white; border-radius: 8px;
+            border-left: 4px solid #3498db; transition: all 0.3s ease;
+            box-shadow: 0 2px 4px rgba(0,0,0,0.1); position: relative; cursor: pointer;
+        `;
+
+        // 添加悬停效果
+        slideCard.addEventListener('mouseenter', function() {
+            this.style.transform = 'translateY(-2px)';
+            this.style.boxShadow = '0 4px 8px rgba(0,0,0,0.15)';
+        });
+        slideCard.addEventListener('mouseleave', function() {
+            this.style.transform = 'translateY(0)';
+            this.style.boxShadow = '0 2px 4px rgba(0,0,0,0.1)';
+        });
+
+        // 操作按钮
+        const actionButtons = document.createElement('div');
+        actionButtons.style.cssText = 'position: absolute; top: 10px; right: 10px; display: flex; gap: 5px;';
+        actionButtons.innerHTML = `
+            <button onclick="editSingleSlideNew(${index})" class="btn btn-primary" style="font-size: 0.7em; padding: 4px 8px; border-radius: 4px;" title="编辑此页">
+                <i class="fas fa-edit"></i>
+            </button>
+            <button onclick="viewSlideDetailNew(${index})" class="btn btn-info" style="font-size: 0.7em; padding: 4px 8px; border-radius: 4px;" title="查看详情">
+                <i class="fas fa-eye"></i>
+            </button>
+        `;
+
+        // 内容区域
+        const contentArea = document.createElement('div');
+        contentArea.style.cssText = 'margin-right: 60px;';
+        contentArea.addEventListener('click', () => viewSlideDetailNew(index));
+
+        const header = document.createElement('div');
+        header.style.cssText = 'display: flex; align-items: center; margin-bottom: 8px;';
+        header.innerHTML = `
+            <span style="background: #3498db; color: white; border-radius: 50%; width: 24px; height: 24px; display: flex; align-items: center; justify-content: center; font-size: 0.8em; font-weight: bold; margin-right: 10px;">
+                ${slide.page_number || index + 1}
+            </span>
+            <strong style="color: #2c3e50; font-size: 0.9em;">${slide.title || '未命名幻灯片'}</strong>
+        `;
+
+        const subtitle = document.createElement('div');
+        if (slide.subtitle) {
+            subtitle.innerHTML = `<p style="color: #7f8c8d; font-size: 0.8em; margin: 5px 0; font-style: italic;">${slide.subtitle}</p>`;
+        }
+
+        const content = document.createElement('div');
+        content.style.cssText = 'color: #666; font-size: 0.8em; line-height: 1.4;';
+
+        if (slide.content_points && slide.content_points.length > 0) {
+            const firstPoint = slide.content_points[0];
+            const truncatedPoint = firstPoint.length > 80 ? firstPoint.substring(0, 80) + '...' : firstPoint;
+            content.innerHTML = truncatedPoint;
+
+            if (slide.content_points.length > 1) {
+                content.innerHTML += `<br><span style="color: #95a5a6;">+${slide.content_points.length - 1} 个要点</span>`;
+            }
+        } else if (slide.content) {
+            const truncatedContent = slide.content.length > 80 ? slide.content.substring(0, 80) + '...' : slide.content;
+            content.innerHTML = truncatedContent;
+        } else {
+            content.innerHTML = '<span style="color: #95a5a6;">暂无内容</span>';
+        }
+
+        contentArea.appendChild(header);
+        contentArea.appendChild(subtitle);
+        contentArea.appendChild(content);
+
+        slideCard.appendChild(actionButtons);
+        slideCard.appendChild(contentArea);
+        gridContainer.appendChild(slideCard);
+    });
+
+    container.appendChild(gridContainer);
+}
+
+// 渲染详细视图
+function renderDetailedOutlineView(slides, container) {
+    const detailContainer = document.createElement('div');
+    detailContainer.style.cssText = 'max-height: 400px; overflow-y: auto;';
+
+    slides.forEach((slide, index) => {
+        const slideDetail = document.createElement('div');
+        slideDetail.style.cssText = `
+            padding: 20px; margin-bottom: 15px; background: white;
+            border-radius: 10px; border-left: 4px solid #3498db; position: relative;
+        `;
+
+        const header = document.createElement('div');
+        header.style.cssText = 'display: flex; align-items: center; margin-bottom: 15px;';
+        header.innerHTML = `
+            <span style="background: #3498db; color: white; border-radius: 50%; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 15px;">
+                ${slide.page_number || index + 1}
+            </span>
+            <div style="flex: 1;">
+                <strong style="color: #2c3e50; font-size: 1.1em;">${slide.title || '未命名幻灯片'}</strong>
+                ${slide.subtitle ? `<br><em style="color: #7f8c8d; font-size: 0.9em;">${slide.subtitle}</em>` : ''}
+            </div>
+            <button onclick="editSingleSlideNew(${index})" class="btn btn-primary" style="font-size: 0.8em; padding: 6px 12px;" title="编辑此页">
+                <i class="fas fa-edit"></i> 编辑
+            </button>
+        `;
+
+        const contentSection = document.createElement('div');
+
+        if (slide.content_points && slide.content_points.length > 0) {
+            const pointsSection = document.createElement('div');
+            pointsSection.style.cssText = 'margin-top: 10px;';
+            pointsSection.innerHTML = '<h5 style="color: #555; margin-bottom: 8px; font-size: 0.9em;">内容要点：</h5>';
+
+            const pointsList = document.createElement('ul');
+            pointsList.style.cssText = 'margin: 0; padding-left: 20px; color: #555; line-height: 1.6;';
+
+            slide.content_points.forEach(point => {
+                const listItem = document.createElement('li');
+                listItem.style.cssText = 'margin-bottom: 5px;';
+                listItem.textContent = point;
+                pointsList.appendChild(listItem);
+            });
+
+            pointsSection.appendChild(pointsList);
+            contentSection.appendChild(pointsSection);
+        } else if (slide.content) {
+            const contentDiv = document.createElement('div');
+            contentDiv.style.cssText = 'margin-top: 10px;';
+            contentDiv.innerHTML = `
+                <h5 style="color: #555; margin-bottom: 8px; font-size: 0.9em;">内容：</h5>
+                <div style="background: #f8f9fa; padding: 15px; border-radius: 6px; color: #555; line-height: 1.6; white-space: pre-wrap;">${slide.content}</div>
+            `;
+            contentSection.appendChild(contentDiv);
+        }
+
+        if (slide.slide_type) {
+            const typeTag = document.createElement('div');
+            typeTag.style.cssText = 'margin-top: 10px;';
+            typeTag.innerHTML = `
+                <span style="background: #e8f4fd; color: #3498db; padding: 4px 8px; border-radius: 4px; font-size: 0.8em;">
+                    类型: ${slide.slide_type}
+                </span>
+            `;
+            contentSection.appendChild(typeTag);
+        }
+
+        slideDetail.appendChild(header);
+        slideDetail.appendChild(contentSection);
+        detailContainer.appendChild(slideDetail);
+    });
+
+    container.appendChild(detailContainer);
+}
+
+// 查看幻灯片详情
+function viewSlideDetailNew(slideIndex) {
+    const outlineContent = getOutlineContent();
+    if (!outlineContent) return;
+
+    try {
+        const parsedOutline = JSON.parse(outlineContent);
+        const slide = parsedOutline.slides[slideIndex];
+
+        if (!slide) return;
+
+        // 创建模态框显示详细信息
+        const modal = document.createElement('div');
+        modal.style.cssText = `
+            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
+            background: rgba(0,0,0,0.5); z-index: 1000; display: flex;
+            align-items: center; justify-content: center; padding: 20px;
+        `;
+
+        const content = document.createElement('div');
+        content.style.cssText = `
+            background: white; border-radius: 15px; padding: 30px;
+            max-width: 600px; max-height: 80vh; overflow-y: auto;
+            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
+        `;
+
+        let contentPoints = '';
+        if (slide.content_points && slide.content_points.length > 0) {
+            contentPoints = '<h5 style="color: #555; margin: 15px 0 8px 0;">内容要点：</h5><ul style="margin: 0; padding-left: 20px; color: #555; line-height: 1.6;">';
+            slide.content_points.forEach(point => {
+                contentPoints += `<li style="margin-bottom: 5px;">${point}</li>`;
+            });
+            contentPoints += '</ul>';
+        } else if (slide.content) {
+            contentPoints = `<h5 style="color: #555; margin: 15px 0 8px 0;">内容：</h5><div style="background: #f8f9fa; padding: 15px; border-radius: 6px; color: #555; line-height: 1.6; white-space: pre-wrap;">${slide.content}</div>`;
+        }
+
+        content.innerHTML = `
+            <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;">
+                <h3 style="color: #2c3e50; margin: 0;">第${slide.page_number || slideIndex + 1}页详情</h3>
+                <button onclick="this.closest('.modal').remove()" style="background: #e74c3c; color: white; border: none; border-radius: 50%; width: 30px; height: 30px; cursor: pointer; font-size: 16px;">×</button>
+            </div>
+            <h4 style="color: #3498db; margin-bottom: 10px;">${slide.title || '未命名幻灯片'}</h4>
+            ${slide.subtitle ? `<p style="color: #7f8c8d; font-style: italic; margin-bottom: 15px;">${slide.subtitle}</p>` : ''}
+            ${contentPoints}
+            ${slide.slide_type ? `<div style="margin-top: 15px;"><span style="background: #e8f4fd; color: #3498db; padding: 6px 12px; border-radius: 6px; font-size: 0.9em;">类型: ${slide.slide_type}</span></div>` : ''}
+        `;
+
+        modal.className = 'modal';
+        modal.appendChild(content);
+        document.body.appendChild(modal);
+
+        // 点击背景关闭
+        modal.addEventListener('click', (e) => {
+            if (e.target === modal) {
+                modal.remove();
+            }
+        });
+    } catch (error) {
+        console.error('Error viewing slide detail:', error);
+        alert('查看详情失败: ' + error.message);
+    }
+}
+
+// 编辑大纲
+function editOutlineNew() {
+    const outlineContent = getOutlineContent();
+    if (!outlineContent) {
+        alert('大纲数据不存在，无法编辑');
+        return;
+    }
+
+    // 创建编辑模态框
+    const modal = document.createElement('div');
+    modal.style.cssText = `
+        position: fixed; top: 0; left: 0; width: 100%; height: 100%;
+        background: rgba(0,0,0,0.5); z-index: 1000; display: flex;
+        align-items: center; justify-content: center; padding: 20px;
+    `;
+
+    const content = document.createElement('div');
+    content.style.cssText = `
+        background: white; border-radius: 15px; padding: 30px;
+        width: 90%; max-width: 800px; height: 80vh; display: flex;
+        flex-direction: column; box-shadow: 0 10px 30px rgba(0,0,0,0.3);
+    `;
+
+    content.innerHTML = `
+        <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;">
+            <h3 style="color: #2c3e50; margin: 0;">编辑PPT大纲</h3>
+            <button onclick="this.closest('.modal').remove()" style="background: #e74c3c; color: white; border: none; border-radius: 50%; width: 30px; height: 30px; cursor: pointer; font-size: 16px;">×</button>
+        </div>
+        <div style="flex: 1; display: flex; flex-direction: column;">
+            <textarea id="outlineEditorNew" style="flex: 1; border: 2px solid #ecf0f1; border-radius: 8px; padding: 15px; font-family: 'Courier New', monospace; font-size: 14px; line-height: 1.5; resize: none;" placeholder="编辑大纲JSON...">${outlineContent}</textarea>
+            <div style="display: flex; gap: 8px; margin-top: 15px; justify-content: flex-end;">
+                <button onclick="this.closest('.modal').remove()" class="btn btn-sm" style="background: #95a5a6; color: white;">取消</button>
+                <button onclick="saveOutlineChangesNew()" class="btn btn-sm btn-primary">保存修改</button>
+            </div>
+        </div>
+    `;
+
+    modal.className = 'modal';
+    modal.appendChild(content);
+    document.body.appendChild(modal);
+}
+
+// 保存大纲修改
+async function saveOutlineChangesNew() {
+    const editor = document.getElementById('outlineEditorNew');
+    if (!editor) return;
+
+    try {
+        const newOutline = JSON.parse(editor.value);
+
+        const response = await fetch(`/projects/${currentProjectId}/update-outline`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({ outline_content: editor.value })
+        });
+
+        if (response.ok) {
+            alert('大纲修改成功！');
+            // 关闭模态框
+            const modal = editor.closest('.modal');
+            if (modal) modal.remove();
+
+            // 更新JSON显示区域
+            const outlineDisplay = document.getElementById('outline-content-display');
+            if (outlineDisplay) {
+                const preElement = document.createElement('pre');
+                preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+                preElement.textContent = editor.value;
+                outlineDisplay.innerHTML = '';
+                outlineDisplay.appendChild(preElement);
+            }
+
+            // 立即重新渲染大纲视图，使用最新数据
+            setTimeout(() => {
+                renderOutlineViewNewWithData(newOutline);
+            }, 100); // 减少延迟
+        } else {
+            const error = await response.json();
+            alert('保存失败: ' + (error.detail || '未知错误'));
+        }
+    } catch (error) {
+        if (error instanceof SyntaxError) {
+            alert('JSON格式错误，请检查语法！');
+        } else {
+            console.error('Error saving outline:', error);
+            alert('保存失败: ' + error.message);
+        }
+    }
+}
+
+// 导出大纲为JSON文件
+function exportOutlineJSONNew() {
+    const outlineContent = getOutlineContent();
+    if (!outlineContent) {
+        alert('大纲数据不存在，无法导出');
+        return;
+    }
+
+    try {
+        const parsedOutline = JSON.parse(outlineContent);
+        const dataStr = JSON.stringify(parsedOutline, null, 2);
+        const dataBlob = new Blob([dataStr], {type: 'application/json'});
+
+        const link = document.createElement('a');
+        link.href = URL.createObjectURL(dataBlob);
+        link.download = `${(parsedOutline.title || 'ppt_outline')}_${new Date().toISOString().split('T')[0]}.json`;
+
+        document.body.appendChild(link);
+        link.click();
+        document.body.removeChild(link);
+
+        // 显示成功提示
+        const toast = document.createElement('div');
+        toast.style.cssText = `
+            position: fixed; top: 20px; right: 20px; background: #27ae60;
+            color: white; padding: 15px 20px; border-radius: 8px;
+            box-shadow: 0 4px 12px rgba(0,0,0,0.15); z-index: 1001;
+            font-size: 14px; font-weight: bold;
+        `;
+        toast.textContent = '✅ 大纲JSON文件已导出';
+        document.body.appendChild(toast);
+
+        setTimeout(() => {
+            toast.remove();
+        }, 3000);
+    } catch (error) {
+        console.error('Error exporting outline:', error);
+        alert('导出失败: ' + error.message);
+    }
+}
+
+// 编辑单页幻灯片
+function editSingleSlideNew(slideIndex) {
+    const outlineContent = getOutlineContentNew();
+    if (!outlineContent) {
+        alert('大纲数据不存在，无法编辑');
+        return;
+    }
+
+    try {
+        const parsedOutline = JSON.parse(outlineContent);
+        const slide = parsedOutline.slides[slideIndex];
+
+        if (!slide) {
+            alert('幻灯片不存在');
+            return;
+        }
+
+        // 创建单页编辑模态框
+        const modal = document.createElement('div');
+        modal.style.cssText = `
+            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
+            background: rgba(0,0,0,0.5); z-index: 1000; display: flex;
+            align-items: center; justify-content: center; padding: 20px;
+        `;
+
+        const content = document.createElement('div');
+        content.style.cssText = `
+            background: white; border-radius: 15px; padding: 30px;
+            width: 90%; max-width: 700px; max-height: 85vh; overflow-y: auto;
+            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
+        `;
+
+        // 构建内容要点的编辑界面 - 使用占位符，稍后用JavaScript创建
+        let contentPointsHtml = '';
+        if (slide.content_points && slide.content_points.length > 0) {
+            slide.content_points.forEach((point, index) => {
+                contentPointsHtml += `
+                    <div class="content-point-item" data-point-index="${index}" style="display: flex; align-items: center; margin-bottom: 10px;">
+                        <input type="text" class="content-point-input" data-index="${index}"
+                               value="${point.replace(/"/g, '&quot;')}"
+                               style="flex: 1; padding: 8px 12px; border: 2px solid #ecf0f1; border-radius: 6px; font-size: 14px;">
+                        <button class="remove-point-btn" data-remove-index="${index}"
+                                style="background: #e74c3c; color: white; border: none; border-radius: 4px; padding: 6px 10px; margin-left: 8px; cursor: pointer;">
+                            <i class="fas fa-trash"></i>
+                        </button>
+                    </div>
+                `;
+            });
+        }
+
+        content.innerHTML = `
+            <div style="display: flex; justify-content: space-between; align-items: center; margin-bottom: 25px;">
+                <h3 style="color: #2c3e50; margin: 0;">编辑第${slide.page_number || slideIndex + 1}页</h3>
+                <button onclick="this.closest('.modal').remove()"
+                        style="background: #e74c3c; color: white; border: none; border-radius: 50%; width: 30px; height: 30px; cursor: pointer; font-size: 16px;">×</button>
+            </div>
+
+            <form id="singleSlideEditForm" style="display: flex; flex-direction: column; gap: 20px;">
+                <!-- 页面标题 -->
+                <div>
+                    <label style="display: block; color: #2c3e50; font-weight: bold; margin-bottom: 8px;">页面标题</label>
+                    <input type="text" id="slideTitle" value="${(slide.title || '').replace(/"/g, '&quot;')}"
+                           style="width: 100%; padding: 12px; border: 2px solid #ecf0f1; border-radius: 8px; font-size: 16px;">
+                </div>
+
+                <!-- 页面副标题 -->
+                <div>
+                    <label style="display: block; color: #2c3e50; font-weight: bold; margin-bottom: 8px;">副标题（可选）</label>
+                    <input type="text" id="slideSubtitle" value="${(slide.subtitle || '').replace(/"/g, '&quot;')}"
+                           style="width: 100%; padding: 12px; border: 2px solid #ecf0f1; border-radius: 8px; font-size: 14px;">
+                </div>
+
+                <!-- 幻灯片类型 -->
+                <div>
+                    <label style="display: block; color: #2c3e50; font-weight: bold; margin-bottom: 8px;">幻灯片类型</label>
+                    <select id="slideType" style="width: 100%; padding: 12px; border: 2px solid #ecf0f1; border-radius: 8px; font-size: 14px;">
+                        <option value="title" ${slide.slide_type === 'title' ? 'selected' : ''}>标题页</option>
+                        <option value="content" ${slide.slide_type === 'content' ? 'selected' : ''}>内容页</option>
+                        <option value="conclusion" ${slide.slide_type === 'conclusion' ? 'selected' : ''}>结论页</option>
+                        <option value="thankyou" ${slide.slide_type === 'thankyou' ? 'selected' : ''}>感谢页</option>
+                    </select>
+                </div>
+
+                <!-- 内容要点 -->
+                <div>
+                    <label style="display: block; color: #2c3e50; font-weight: bold; margin-bottom: 8px;">内容要点</label>
+                    <div id="contentPointsContainer" style="margin-bottom: 10px;">
+                        ${contentPointsHtml}
+                    </div>
+                    <button type="button" onclick="addSingleContentPoint()"
+                            style="background: #3498db; color: white; border: none; border-radius: 6px; padding: 8px 16px; cursor: pointer;">
+                        <i class="fas fa-plus"></i> 添加要点
+                    </button>
+                </div>
+
+                <!-- 页面描述 -->
+                <div>
+                    <label style="display: block; color: #2c3e50; font-weight: bold; margin-bottom: 8px;">页面描述（可选）</label>
+                    <textarea id="slideDescription" rows="3"
+                              style="width: 100%; padding: 12px; border: 2px solid #ecf0f1; border-radius: 8px; font-size: 14px; resize: vertical;">${slide.description || ''}</textarea>
+                </div>
+
+                <!-- 操作按钮 -->
+                <div style="display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px;">
+                    <button type="button" onclick="this.closest('.modal').remove()"
+                            class="btn" style="background: #95a5a6; color: white; padding: 12px 24px;">取消</button>
+                    <button type="button" onclick="saveSingleSlideEdit(${slideIndex})"
+                            class="btn btn-primary" style="padding: 12px 24px;">保存修改</button>
+                </div>
+            </form>
+        `;
+
+        modal.className = 'modal';
+        modal.appendChild(content);
+        document.body.appendChild(modal);
+
+        // 为删除按钮添加事件监听器
+        const removeButtons = modal.querySelectorAll('.remove-point-btn');
+        removeButtons.forEach(button => {
+            button.addEventListener('click', function() {
+                const index = parseInt(this.getAttribute('data-remove-index'));
+                removeSingleContentPointByElement(this.parentElement);
+            });
+        });
+
+        // 点击背景关闭
+        modal.addEventListener('click', (e) => {
+            if (e.target === modal) {
+                modal.remove();
+            }
+        });
+
+    } catch (error) {
+        console.error('Error editing single slide:', error);
+        alert('编辑失败: ' + error.message);
+    }
+}
+
+// 添加内容要点
+function addSingleContentPoint() {
+    const container = document.getElementById('contentPointsContainer');
+    if (!container) return;
+
+    const currentPoints = container.querySelectorAll('.content-point-item');
+    const newIndex = currentPoints.length;
+
+    const pointDiv = document.createElement('div');
+    pointDiv.className = 'content-point-item';
+    pointDiv.style.cssText = 'display: flex; align-items: center; margin-bottom: 10px;';
+
+    // 创建输入框
+    const input = document.createElement('input');
+    input.type = 'text';
+    input.className = 'content-point-input';
+    input.setAttribute('data-index', newIndex);
+    input.placeholder = '输入新的内容要点...';
+    input.style.cssText = 'flex: 1; padding: 8px 12px; border: 2px solid #ecf0f1; border-radius: 6px; font-size: 14px;';
+
+    // 创建删除按钮
+    const button = document.createElement('button');
+    button.className = 'remove-point-btn';
+    button.setAttribute('data-remove-index', newIndex);
+    button.addEventListener('click', function() {
+        removeSingleContentPointByElement(this.parentElement);
+    });
+    button.style.cssText = 'background: #e74c3c; color: white; border: none; border-radius: 4px; padding: 6px 10px; margin-left: 8px; cursor: pointer;';
+    button.innerHTML = '<i class="fas fa-trash"></i>';
+
+    pointDiv.appendChild(input);
+    pointDiv.appendChild(button);
+
+    container.appendChild(pointDiv);
+
+    // 聚焦到新添加的输入框
+    const newInput = pointDiv.querySelector('.content-point-input');
+    if (newInput) {
+        newInput.focus();
+    }
+}
+
+// 删除内容要点（通过索引）
+function removeSingleContentPoint(index) {
+    const container = document.getElementById('contentPointsContainer');
+    if (!container) return;
+
+    const pointItems = container.querySelectorAll('.content-point-item');
+    if (pointItems[index]) {
+        removeSingleContentPointByElement(pointItems[index]);
+    }
+}
+
+// 删除内容要点（通过元素）
+function removeSingleContentPointByElement(element) {
+    if (!element) return;
+
+    element.remove();
+
+    // 重新编号剩余的要点
+    const container = document.getElementById('contentPointsContainer');
+    if (!container) return;
+
+    const remainingItems = container.querySelectorAll('.content-point-item');
+    remainingItems.forEach((item, newIndex) => {
+        const input = item.querySelector('.content-point-input');
+        const button = item.querySelector('.remove-point-btn, button');
+        if (input) input.setAttribute('data-index', newIndex);
+        if (button) {
+            if (button.classList.contains('remove-point-btn')) {
+                button.setAttribute('data-remove-index', newIndex);
+            } else {
+                // 重新创建按钮以更新事件处理
+                const newButton = document.createElement('button');
+                newButton.onclick = () => removeSingleContentPoint(newIndex);
+                newButton.style.cssText = 'background: #e74c3c; color: white; border: none; border-radius: 4px; padding: 6px 10px; margin-left: 8px; cursor: pointer;';
+                newButton.innerHTML = '<i class="fas fa-trash"></i>';
+                button.parentNode.replaceChild(newButton, button);
+            }
+        }
+    });
+}
+
+// 保存单页编辑
+async function saveSingleSlideEdit(slideIndex) {
+    try {
+        // 获取表单数据
+        const title = document.getElementById('slideTitle').value.trim();
+        const subtitle = document.getElementById('slideSubtitle').value.trim();
+        const slideType = document.getElementById('slideType').value;
+        const description = document.getElementById('slideDescription').value.trim();
+
+        // 获取所有内容要点
+        const contentPointInputs = document.querySelectorAll('.content-point-input');
+        const contentPoints = Array.from(contentPointInputs)
+            .map(input => input.value.trim())
+            .filter(point => point.length > 0);
+
+        if (!title) {
+            alert('页面标题不能为空');
+            return;
+        }
+
+        if (contentPoints.length === 0) {
+            alert('至少需要一个内容要点');
+            return;
+        }
+
+        // 获取当前大纲
+        const outlineContent = getOutlineContentNew();
+        const parsedOutline = JSON.parse(outlineContent);
+
+        // 更新指定的幻灯片
+        const updatedSlide = {
+            page_number: parsedOutline.slides[slideIndex].page_number || slideIndex + 1,
+            title: title,
+            content_points: contentPoints,
+            slide_type: slideType,
+            type: slideType // 保持兼容性
+        };
+
+        // 添加可选字段
+        if (subtitle) {
+            updatedSlide.subtitle = subtitle;
+        }
+        if (description) {
+            updatedSlide.description = description;
+        }
+
+        // 保留原有的图表配置（如果存在）
+        if (parsedOutline.slides[slideIndex].chart_config) {
+            updatedSlide.chart_config = parsedOutline.slides[slideIndex].chart_config;
+        }
+
+        // 更新大纲
+        parsedOutline.slides[slideIndex] = updatedSlide;
+
+        // 保存到服务器
+        const response = await fetch(`/projects/${currentProjectId}/update-outline`, {
+            method: 'POST',
+            headers: {
+                'Content-Type': 'application/json',
+            },
+            body: JSON.stringify({
+                outline_content: JSON.stringify(parsedOutline, null, 2)
+            })
+        });
+
+        if (response.ok) {
+            // 关闭模态框
+            const modal = document.querySelector('.modal');
+            if (modal) modal.remove();
+
+            // 更新JSON显示区域
+            const outlineDisplay = document.getElementById('outline-content-display');
+            if (outlineDisplay) {
+                const formattedContent = JSON.stringify(parsedOutline, null, 2);
+                const preElement = document.createElement('pre');
+                preElement.style.cssText = 'margin: 0; font-family: "Consolas", "Monaco", "Courier New", monospace; font-size: 13px; white-space: pre-wrap; word-wrap: break-word;';
+                preElement.textContent = formattedContent;
+                outlineDisplay.innerHTML = '';
+                outlineDisplay.appendChild(preElement);
+            }
+
+            // 显示成功消息
+            const toast = document.createElement('div');
+            toast.style.cssText = `
+                position: fixed; top: 20px; right: 20px; background: #27ae60;
+                color: white; padding: 15px 20px; border-radius: 8px;
+                box-shadow: 0 4px 12px rgba(0,0,0,0.15); z-index: 1001;
+                font-size: 14px; font-weight: bold;
+            `;
+            toast.textContent = `✅ 第${slideIndex + 1}页已更新`;
+            document.body.appendChild(toast);
+
+            setTimeout(() => {
+                toast.remove();
+            }, 3000);
+
+            // 立即重新渲染大纲视图，使用最新数据
+            setTimeout(() => {
+                renderOutlineViewNewWithData(parsedOutline);
+            }, 100);
+
+        } else {
+            const error = await response.json();
+            alert('保存失败: ' + (error.detail || '未知错误'));
+        }
+
+    } catch (error) {
+        console.error('Error saving single slide:', error);
+        alert('保存失败: ' + error.message);
+    }
+}
+
+
+
+// Get outline content for new section
+function getOutlineContentNew() {
+    const contentDiv = document.getElementById('outline-content-display');
+    if (!contentDiv) return null;
+
+    // 首先尝试从pre元素中获取原始文本内容
+    const preElement = contentDiv.querySelector('pre');
+    if (preElement) {
+        let content = preElement.textContent || preElement.innerText || '';
+
+        // Remove placeholder text
+        if (content.includes('正在生成大纲') || content.includes('等待大纲生成')) {
+            return null;
+        }
+
+        return content.trim();
+    }
+
+    // 如果没有pre元素，尝试从整个div获取内容
+    let content = contentDiv.textContent || contentDiv.innerText || '';
+
+    // 处理HTML实体和格式问题
+    content = content.replace(/&nbsp;/g, ' ')
+                    .replace(/&lt;/g, '<')
+                    .replace(/&gt;/g, '>')
+                    .replace(/&amp;/g, '&')
+                    .replace(/&quot;/g, '"')
+                    .replace(/&#39;/g, "'")
+                    .replace(/<br\s*\/?>/gi, '\n')
+                    .replace(/\s+/g, ' ')
+                    .trim();
+
+    // Remove placeholder text
+    if (content.includes('正在生成大纲') || content.includes('等待大纲生成')) {
+        return null;
+    }
+
+    return content;
+}
+
+// 调试大纲内容的函数
+function debugOutlineContent() {
+    const outlineContent = getOutlineContentNew();
+
+    console.log('=== 大纲内容调试信息 ===');
+    console.log('原始内容长度：', outlineContent ? outlineContent.length : 0);
+    console.log('原始内容（前500字符）：', outlineContent ? outlineContent.substring(0, 500) : 'null');
+    console.log('原始内容（后100字符）：', outlineContent ? outlineContent.substring(Math.max(0, outlineContent.length - 100)) : 'null');
+
+    // 检查常见的JSON格式问题
+    if (outlineContent) {
+        console.log('首字符：', outlineContent.charAt(0), '(ASCII:', outlineContent.charCodeAt(0), ')');
+        console.log('末字符：', outlineContent.charAt(outlineContent.length - 1), '(ASCII:', outlineContent.charCodeAt(outlineContent.length - 1), ')');
+
+        // 检查是否包含HTML实体
+        if (outlineContent.includes('&nbsp;')) {
+            console.log('⚠️ 发现HTML实体 &nbsp;');
+        }
+        if (outlineContent.includes('<br>')) {
+            console.log('⚠️ 发现HTML标签 <br>');
+        }
+
+        // 尝试清理内容
+        let cleanedContent = outlineContent.replace(/&nbsp;/g, ' ').replace(/<br>/g, '\n').trim();
+        console.log('清理后内容（前200字符）：', cleanedContent.substring(0, 200));
+
+        try {
+            JSON.parse(cleanedContent);
+            console.log('✅ 清理后的内容可以正确解析为JSON');
+        } catch (e) {
+            console.log('❌ 清理后仍然无法解析：', e.message);
+        }
+    }
+
+    // 显示调试信息弹窗
+    alert('调试信息已输出到控制台，请按F12查看');
+}
+
+// Convert JSON to mindmap data for new section
+function convertJsonToMindmapNew(jsonData) {
+    const mindmapData = {
+        name: jsonData.title || 'PPT大纲',
+        children: []
+    };
+
+    if (jsonData.slides && Array.isArray(jsonData.slides)) {
+        jsonData.slides.forEach(slide => {
+            const slideNode = {
+                name: `${slide.page_number}. ${slide.title}`,
+                children: []
+            };
+
+            if (slide.content_points && Array.isArray(slide.content_points)) {
+                slide.content_points.forEach(point => {
+                    slideNode.children.push({
+                        name: point,
+                        children: []
+                    });
+                });
+            }
+
+            mindmapData.children.push(slideNode);
+        });
+    }
+
+    return mindmapData;
+}
+
+
+// 文件上传相关函数
+function toggleContentSourceTodo() {
+    const fileSection = document.getElementById('file-upload-section-todo');
+    const processingOptions = document.getElementById('file-processing-options-todo');
+    const pdfProcessingMode = document.getElementById('pdf-processing-mode-todo');
+    const manualRadio = document.querySelector('input[name="content_source"][value="manual"]');
+    const fileRadio = document.querySelector('input[name="content_source"][value="file"]');
+    const topicInput = document.getElementById('topic');
+
+    if (fileRadio && fileRadio.checked) {
+        if (fileSection) fileSection.style.display = 'block';
+        if (topicInput) {
+            topicInput.required = false;
+            topicInput.placeholder = '可选：自定义标题（留空则从文件自动提取）';
+        }
+        // 检查当前选择的文件，决定是否显示处理选项
+        const fileInput = document.getElementById('file_upload_todo');
+        if (fileInput && fileInput.files[0]) {
+            const fileExt = '.' + fileInput.files[0].name.split('.').pop().toLowerCase();
+            // 对所有文件类型显示处理选项容器
+            if (processingOptions) {
+                processingOptions.style.display = 'block';
+            }
+            // 只对PDF文件显示处理方式选项
+            if (pdfProcessingMode) {
+                pdfProcessingMode.style.display = fileExt === '.pdf' ? 'block' : 'none';
+            }
+        }
+    } else {
+        if (fileSection) fileSection.style.display = 'none';
+        if (processingOptions) processingOptions.style.display = 'none';
+        if (pdfProcessingMode) pdfProcessingMode.style.display = 'none';
+        if (topicInput) {
+            topicInput.required = true;
+            topicInput.placeholder = '请输入PPT主题';
+        }
+    }
+}
+
+// 受众选择相关函数
+function toggleCustomAudience() {
+    const audienceSelect = document.getElementById('audience_type');
+    const customSection = document.getElementById('custom-audience-section');
+    const customInput = document.getElementById('custom_audience');
+
+    if (audienceSelect && customSection && customInput) {
+        if (audienceSelect.value === '自定义') {
+            customSection.style.display = 'block';
+            customInput.required = true;
+        } else {
+            customSection.style.display = 'none';
+            customInput.required = false;
+            customInput.value = ''; // 清空自定义输入
+        }
+    }
+}
+
+// 文件上传验证和预览
+document.addEventListener('DOMContentLoaded', function() {
+    const fileInput = document.getElementById('file_upload_todo');
+    if (fileInput) {
+        fileInput.addEventListener('change', function(e) {
+            const file = e.target.files[0];
+            const processingOptions = document.getElementById('file-processing-options-todo');
+            const pdfProcessingMode = document.getElementById('pdf-processing-mode-todo');
+
+            if (file) {
+                // 验证文件大小 (100MB 限制)
+                if (file.size > 100 * 1024 * 1024) {
+                    alert('文件大小不能超过 100MB');
+                    e.target.value = '';
+                    if (processingOptions) processingOptions.style.display = 'none';
+                    if (pdfProcessingMode) pdfProcessingMode.style.display = 'none';
+                    return;
+                }
+
+                // 验证文件类型
+                const allowedTypes = ['.pdf', '.docx', '.txt', '.md'];
+                const fileExt = '.' + file.name.split('.').pop().toLowerCase();
+                if (!allowedTypes.includes(fileExt)) {
+                    alert('只支持 PDF、DOCX、TXT、MD 格式的文件');
+                    e.target.value = '';
+                    if (processingOptions) processingOptions.style.display = 'none';
+                    if (pdfProcessingMode) pdfProcessingMode.style.display = 'none';
+                    return;
+                }
+
+                // 显示文件处理选项（对所有文件类型）
+                if (processingOptions) {
+                    processingOptions.style.display = 'block';
+                }
+
+                // 根据文件类型显示或隐藏PDF专用处理方式选项
+                if (pdfProcessingMode) {
+                    if (fileExt === '.pdf') {
+                        pdfProcessingMode.style.display = 'block';
+                    } else {
+                        pdfProcessingMode.style.display = 'none';
+                    }
+                }
+
+                // 显示文件信息
+                const fileInfo = document.createElement('div');
+                fileInfo.style.marginTop = '10px';
+                fileInfo.style.padding = '10px';
+                fileInfo.style.background = '#e8f5e8';
+                fileInfo.style.borderRadius = '5px';
+                fileInfo.style.color = '#2d5a2d';
+                fileInfo.innerHTML = `
+                    <strong>已选择文件：</strong>${file.name}<br>
+                    <strong>文件大小：</strong>${(file.size / 1024 / 1024).toFixed(2)} MB<br>
+                    <strong>文件类型：</strong>${fileExt.toUpperCase()}
+                `;
+
+                // 移除现有文件信息
+                const existingInfo = e.target.parentNode.querySelector('.file-info-todo');
+                if (existingInfo) {
+                    existingInfo.remove();
+                }
+
+                fileInfo.className = 'file-info-todo';
+                e.target.parentNode.appendChild(fileInfo);
+
+                // 自动填充主题（如果为空）
+                const topicInput = document.getElementById('topic');
+                if (topicInput && !topicInput.value.trim()) {
+                    const baseName = file.name.replace(/\.[^/.]+$/, "");
+                    topicInput.value = baseName;
+                }
+            } else {
+                // 如果没有选择文件，隐藏处理选项
+                if (processingOptions) processingOptions.style.display = 'none';
+                if (pdfProcessingMode) pdfProcessingMode.style.display = 'none';
+            }
+        });
+    }
+});
+
+// 清除所有已选择的文件
+function clearAllFiles() {
+    const fileInput = document.getElementById('file_upload_todo');
+    if (fileInput) {
+        fileInput.value = '';
+        updateFilesList();
+    }
+}
+
+// 移除单个文件
+function removeFile(index) {
+    const fileInput = document.getElementById('file_upload_todo');
+    if (!fileInput || !fileInput.files) return;
+
+    const dt = new DataTransfer();
+    const files = Array.from(fileInput.files);
+
+    files.forEach((file, i) => {
+        if (i !== index) {
+            dt.items.add(file);
+        }
+    });
+
+    fileInput.files = dt.files;
+    updateFilesList();
+}
+
+// 更新文件列表显示
+function updateFilesList() {
+    const fileInput = document.getElementById('file_upload_todo');
+    const filesList = document.getElementById('selected-files-list-todo');
+    const filesContainer = document.getElementById('files-list-container-todo');
+    const processingOptions = document.getElementById('file-processing-options-todo');
+    const pdfProcessingMode = document.getElementById('pdf-processing-mode-todo');
+
+    if (!fileInput || !filesList || !filesContainer) return;
+
+    const files = fileInput.files;
+
+    if (files.length === 0) {
+        filesList.style.display = 'none';
+        if (processingOptions) processingOptions.style.display = 'none';
+        if (pdfProcessingMode) pdfProcessingMode.style.display = 'none';
+        return;
+    }
+
+    // 显示文件列表
+    filesList.style.display = 'block';
+
+    // 显示文件处理选项
+    if (processingOptions) {
+        processingOptions.style.display = 'block';
+    }
+
+    // 检查是否有PDF文件
+    let hasPdf = false;
+    for (let i = 0; i < files.length; i++) {
+        const fileExt = '.' + files[i].name.split('.').pop().toLowerCase();
+        if (fileExt === '.pdf') {
+            hasPdf = true;
+            break;
+        }
+    }
+
+    // 根据是否有PDF显示/隐藏PDF处理选项
+    if (pdfProcessingMode) {
+        pdfProcessingMode.style.display = hasPdf ? 'block' : 'none';
+    }
+
+    // 生成文件列表HTML
+    let html = '';
+    let totalSize = 0;
+
+    for (let i = 0; i < files.length; i++) {
+        const file = files[i];
+        const fileExt = '.' + file.name.split('.').pop().toLowerCase();
+        const sizeInMB = (file.size / 1024 / 1024).toFixed(2);
+        totalSize += file.size;
+
+        html += `
+            <div style="display: flex; justify-content: space-between; align-items: center; padding: 8px; background: #f8f9fa; border-radius: 4px; margin-bottom: 5px; border-left: 3px solid #3498db;">
+                <div style="flex: 1;">
+                    <div style="font-weight: 500; color: #2c3e50;">${i + 1}. ${file.name}</div>
+                    <div style="font-size: 12px; color: #7f8c8d;">
+                        <span>${fileExt.toUpperCase()}</span> |
+                        <span>${sizeInMB} MB</span>
+                    </div>
+                </div>
+                <button type="button" onclick="removeFile(${i})"
+                        style="padding: 4px 8px; background: #e74c3c; color: white; border: none; border-radius: 3px; cursor: pointer; font-size: 12px;">
+                    删除
+                </button>
+            </div>
+        `;
+    }
+
+    // 添加总计信息
+    html += `
+        <div style="margin-top: 10px; padding: 8px; background: #e8f5e9; border-radius: 4px; text-align: center;">
+            <strong style="color: #2c3e50;">共 ${files.length} 个文件 | 总大小: ${(totalSize / 1024 / 1024).toFixed(2)} MB</strong>
+        </div>
+    `;
+
+    filesContainer.innerHTML = html;
+
+    // 自动填充主题（如果为空且只有一个文件）
+    const topicInput = document.getElementById('topic');
+    if (topicInput && !topicInput.value.trim() && files.length === 1) {
+        const baseName = files[0].name.replace(/\.[^/.]+$/, "");
+        topicInput.value = baseName;
+    } else if (topicInput && !topicInput.value.trim() && files.length > 1) {
+        topicInput.value = `合并文档 (${files.length}个文件)`;
+    }
+}
+
+// 监听文件选择变化 - 支持多文件
+document.addEventListener('DOMContentLoaded', function() {
+    const fileInput = document.getElementById('file_upload_todo');
+    if (fileInput) {
+        fileInput.addEventListener('change', function(e) {
+            const files = e.target.files;
+            const processingOptions = document.getElementById('file-processing-options-todo');
+            const pdfProcessingMode = document.getElementById('pdf-processing-mode-todo');
+
+            if (files && files.length > 0) {
+                // 验证所有文件
+                const allowedTypes = ['.pdf', '.docx', '.txt', '.md', '.jpg', '.jpeg', '.png', '.xlsx', '.csv'];
+                let hasInvalidFile = false;
+                let hasOversizedFile = false;
+
+                for (let i = 0; i < files.length; i++) {
+                    const file = files[i];
+                    const fileExt = '.' + file.name.split('.').pop().toLowerCase();
+
+                    // 验证文件大小
+                    if (file.size > 100 * 1024 * 1024) {
+                        alert(`文件 "${file.name}" 大小超过100MB限制`);
+                        hasOversizedFile = true;
+                        break;
+                    }
+
+                    // 验证文件类型
+                    if (!allowedTypes.includes(fileExt)) {
+                        alert(`文件 "${file.name}" 格式不支持\n支持的格式: ${allowedTypes.join(', ')}`);
+                        hasInvalidFile = true;
+                        break;
+                    }
+                }
+
+                if (hasInvalidFile || hasOversizedFile) {
+                    e.target.value = '';
+                    if (processingOptions) processingOptions.style.display = 'none';
+                    if (pdfProcessingMode) pdfProcessingMode.style.display = 'none';
+                    return;
+                }
+
+                // 更新文件列表显示
+                updateFilesList();
+            } else {
+                // 如果没有选择文件，隐藏处理选项
+                const filesList = document.getElementById('selected-files-list-todo');
+                if (filesList) filesList.style.display = 'none';
+                if (processingOptions) processingOptions.style.display = 'none';
+                if (pdfProcessingMode) pdfProcessingMode.style.display = 'none';
+            }
+        });
+    }
+});
+
+// 表单提交处理
+document.addEventListener('DOMContentLoaded', function() {
+    const form = document.getElementById('requirements-form');
+    if (form) {
+        form.addEventListener('submit', function(e) {
+            const fileRadio = document.querySelector('input[name="content_source"][value="file"]');
+            const fileInput = document.getElementById('file_upload_todo');
+
+            if (fileRadio && fileRadio.checked && fileInput && fileInput.files.length === 0) {
+                e.preventDefault();
+                alert('请选择要上传的文件');
+                return false;
+            }
+
+            // 显示加载状态
+            const submitBtn = document.getElementById('confirm-requirements-btn');
+            if (submitBtn) {
+                submitBtn.disabled = true;
+                submitBtn.innerHTML = '⏳ 处理中...';
+            }
+        });
+    }
+});
+</script>
+
+{% endblock %}