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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>智言视寻 - 演示文稿</title>
    <link href="https://cdnjs.cloudflare.com/ajax/libs/tailwindcss/2.2.19/tailwind.min.css" rel="stylesheet">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: linear-gradient(135deg, #f6f8fc 0%, #e9f0f8 100%);
            color: #2d3748;
            overflow: hidden;
        }

        .slide {
            display: none;
            height: 100vh;
            padding: 2% 5%;
            animation: fadeIn 0.8s ease-out;
            background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(249,250,251,0.95) 100%);
        }

        .slide.active {
            display: block;
        }

        @keyframes fadeIn {
            from { 
                opacity: 0;
                transform: translateY(20px);
            }
            to { 
                opacity: 1;
                transform: translateY(0);
            }
        }

        .title {
            font-size: 4.5rem;
            font-weight: 800;
            background: linear-gradient(45deg, #1a365d 0%, #2b6cb0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 1rem;
            line-height: 1.2;
            text-align: center;
        }

        .subtitle {
            font-size: 2.5rem;
            color: #4a5568;
            font-weight: 600;
            margin-bottom: 2rem;
            text-align: center;
        }

        .section-title {
            font-size: 3.5rem;
            font-weight: 700;
            color: #2c5282;
            margin-bottom: 2rem;
            position: relative;
            padding-bottom: 1rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100px;
            height: 4px;
            background: linear-gradient(90deg, #4299e1 0%, #90cdf4 100%);
        }

        .feature-card {
            background: linear-gradient(135deg, #ffffff 0%, #f7fafc 100%);
            padding: 2rem;
            border-radius: 1rem;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            height: 100%;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }

        .feature-title {
            font-size: 2rem;
            font-weight: 600;
            color: #2b6cb0;
            margin-bottom: 1rem;
        }

        .feature-content {
            font-size: 1.5rem;
            line-height: 1.6;
            color: #4a5568;
        }

        .nav-button {
            position: fixed;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(66, 153, 225, 0.9);
            color: white;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.5rem;
            transition: all 0.3s ease;
            border: none;
            z-index: 100;
        }

        .nav-button:hover {
            background: rgba(66, 153, 225, 1);
            transform: translateY(-50%) scale(1.1);
        }

        .nav-button.prev {
            left: 40px;
        }

        .nav-button.next {
            right: 40px;
        }

        .slide-number {
            position: fixed;
            bottom: 40px;
            right: 40px;
            background: rgba(66, 153, 225, 0.9);
            color: white;
            padding: 0.8rem 1.5rem;
            border-radius: 2rem;
            font-size: 1.2rem;
            font-weight: 500;
            z-index: 100;
        }

        .grid-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .content-container {
            height: calc(100vh - 200px);
            overflow-y: auto;
            padding-right: 20px;
        }

        .slide-image {
            width: 100%;
            height: auto;
            border-radius: 20px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: transform 0.3s ease, width 0.3s ease;
        }

        .slide-image:hover {
            transform: scale(1.02);
        }

        .slide-image.large {
            max-width: 90%;
            margin: 2rem auto;
        }

        .slide-image.full {
            height: 100%;
            object-fit: contain;
        }

        .image-container {
            position: relative;
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 2rem 0;
        }

        .image-controls {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(66, 153, 225, 0.9);
            padding: 10px 20px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            z-index: 100;
        }

        #slide2 .image-controls {
            bottom: -60px;
        }

        #slide3 .image-controls,
        #slide4 .image-controls {
            bottom: 20px;
        }

        #slide2 .image-container {
            margin-bottom: 4rem;
        }

        .size-slider {
            width: 200px;
            height: 6px;
            background: #fff;
            border-radius: 3px;
            outline: none;
            -webkit-appearance: none;
        }

        .size-slider::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 16px;
            height: 16px;
            background: #fff;
            border-radius: 50%;
            cursor: pointer;
        }

        .size-label {
            color: white;
            font-size: 14px;
            min-width: 40px;
            text-align: center;
        }

        .two-column-layout {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 2rem;
            height: calc(100vh - 300px);
            align-items: center;
        }

        .left-column {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .right-column {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .fullscreen-button {
            position: fixed;
            bottom: 40px;
            left: 40px;
            background: rgba(66, 153, 225, 0.9);
            color: white;
            padding: 0.8rem;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            z-index: 100;
            border: none;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .fullscreen-button:hover {
            background: rgba(66, 153, 225, 1);
            transform: scale(1.1);
        }

        /* 全屏模式样式 */
        :fullscreen {
            background: linear-gradient(135deg, #f6f8fc 0%, #e9f0f8 100%);
        }

        :-webkit-full-screen {
            background: linear-gradient(135deg, #f6f8fc 0%, #e9f0f8 100%);
        }

        :-moz-full-screen {
            background: linear-gradient(135deg, #f6f8fc 0%, #e9f0f8 100%);
        }

        :-ms-fullscreen {
            background: linear-gradient(135deg, #f6f8fc 0%, #e9f0f8 100%);
        }

        /* 视频容器样式 */
        .video-container {
            background: rgba(255, 255, 255, 0.1);
            padding: 1rem;
            border-radius: 1rem;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }

        video {
            border-radius: 0.5rem;
            background: #000;
        }
    </style>
</head>
<body>
    <!-- 封面页 -->
    <div class="slide active" id="slide1">
        <div class="flex flex-col items-center justify-center h-full">
            <h1 class="title">智言视寻</h1>
            <h2 class="subtitle">融合视觉智能与语言认知的辅助交互系统</h2>
            <div class="feature-content text-center mt-16">
                <p class="mb-2">团队:寻言智探团队</p>
                <p>指导教师:李志刚</p>
            </div>
        </div>
    </div>

    <!-- 深度融合的智能认知架构 -->
    <div class="slide" id="slide2">
        <h2 class="section-title">深度融合的智能认知架构</h2>
        <div class="content-container">
            <div class="image-container">
                <img src="./architecture.jpg" alt="深度融合的智能认知架构" class="slide-image large" style="width: 50%;">
                <div class="image-controls">
                    <span class="size-label">50%</span>
                    <input type="range" min="20" max="100" value="50" class="size-slider" onInput="adjustImageSize(this, 2)">
                </div>
            </div>
            <div class="grid-container">
                <div class="feature-card">
                    <h3 class="feature-title">视觉感知</h3>
                    <p class="feature-content">通过先进的目标检测模型获取视觉原始信息,实现精准识别</p>
                </div>
                <div class="feature-card">
                    <h3 class="feature-title">语言理解</h3>
                    <p class="feature-content">由大语言模型进行深度场景理解和语境分析,提供智能化解读</p>
                </div>
            </div>
        </div>
    </div>

    <!-- 自适应智能交互系统 -->
    <div class="slide" id="slide3">
        <h2 class="section-title">自适应智能交互系统</h2>
        <div class="content-container">
            <div class="two-column-layout">
                <div class="left-column">
                    <div class="feature-card">
                        <h3 class="feature-title">自动巡航模式</h3>
                        <p class="feature-content">主动观察环境变化,实时预警潜在风险,提供全方位保护</p>
                    </div>
                    <div class="feature-card">
                        <h3 class="feature-title">多模态交互</h3>
                        <p class="feature-content">支持语音、文字等多种自然交互方式,操作便捷直观</p>
                    </div>
                </div>
                <div class="right-column">
                    <div class="image-container">
                        <img src="./interaction.jpg" alt="自适应智能交互系统" class="slide-image full" style="width: 90%;">
                        <div class="image-controls">
                            <span class="size-label">90%</span>
                            <input type="range" min="20" max="100" value="90" class="size-slider" onInput="adjustImageSize(this, 3)">
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <!-- 场景理解与推理能力 -->
    <div class="slide" id="slide4">
        <h2 class="section-title">场景理解与推理能力</h2>
        <div class="content-container">
            <div class="image-container">
                <img src="./understanding.jpg" alt="场景理解与推理能力" class="slide-image large" style="width: 50%;">
                <div class="image-controls">
                    <span class="size-label">50%</span>
                    <input type="range" min="20" max="100" value="50" class="size-slider" onInput="adjustImageSize(this, 4)">
                </div>
            </div>
            <div class="grid-container">
                <div class="feature-card">
                    <h3 class="feature-title">空间关系理解</h3>
                    <p class="feature-content">深度识别物体之间的位置和互动关系,构建完整场景认知</p>
                </div>
                <div class="feature-card">
                    <h3 class="feature-title">危险预测</h3>
                    <p class="feature-content">基于大语言模型的推理能力,提前预判潜在风险,确保安全</p>
                </div>
            </div>
        </div>
    </div>
    <!-- 社会价值 -->
    <div class="slide" id="slide5">
        <h2 class="section-title">社会价值</h2>
        <div class="content-container">
            <div class="grid-container">
                <div class="feature-card">
                    <h3 class="feature-title">助力无障碍社会建设</h3>
                    <p class="feature-content">为视障人士提供"智能眼睛",创造平等的信息获取机会</p>
                </div>
                <div class="feature-card">
                    <h3 class="feature-title">推动普惠科技发展</h3>
                    <p class="feature-content">让先进技术服务更广泛的人群,促进社会进步</p>
                </div>
                <div class="feature-card">
                    <h3 class="feature-title">促进社会包容性</h3>
                    <p class="feature-content">帮助特殊群体更好地融入社会生活,创造共融环境</p>
                </div>
            </div>
        </div>
    </div>

    <!-- 未来展望 -->
    <div class="slide" id="slide6">
        <h2 class="section-title">未来展望</h2>
        <div class="content-container">
            <div class="grid-container">
                <div class="feature-card">
                    <h3 class="feature-title">技术层面</h3>
                    <ul class="feature-content list-disc list-inside">
                        <li>持续优化算法性能</li>
                        <li>扩展系统认知范围</li>
                        <li>深化多模态融合技术</li>
                    </ul>
                </div>
                <div class="feature-card">
                    <h3 class="feature-title">应用层面</h3>
                    <ul class="feature-content list-disc list-inside">
                        <li>拓展应用场景</li>
                        <li>开发个性化功能</li>
                        <li>探索产业化路径</li>
                    </ul>
                </div>
                <div class="feature-card">
                    <h3 class="feature-title">社会价值</h3>
                    <ul class="feature-content list-disc list-inside">
                        <li>推动无障碍建设</li>
                        <li>促进科技普惠</li>
                        <li>建设包容性社会</li>
                    </ul>
                </div>
            </div>
        </div>
    </div>

    <!-- 视频展示页 -->
    <div class="slide" id="slide7">
        <h2 class="section-title">项目演示</h2>
        <div class="content-container flex justify-center items-center">
            <div class="video-container w-full max-w-4xl">
                <video 
                    controls 
                    class="w-full rounded-lg shadow-lg"
                    style="max-height: 70vh;"
                >
                    <source src="WeChat_20241023122858.mp4" type="video/mp4">
                    您的浏览器不支持 video 标签。
                </video>
            </div>
        </div>
    </div>

    <!-- 结束页 -->
    <div class="slide" id="slide8">
        <div class="flex flex-col items-center justify-center h-full">
            <h2 class="title">谢谢聆听</h2>
            <p class="subtitle">用科技照亮每个人的世界</p>
            <div class="feature-content text-center mt-16">
            </div>
        </div>
    </div>

    <!-- 导航按钮 -->
    <button class="nav-button prev" onclick="prevSlide()"></button>
    <button class="nav-button next" onclick="nextSlide()"></button>
    <div class="slide-number">1 / 8</div>

    <!-- 全屏按钮 -->
    <button class="fullscreen-button" onclick="toggleFullScreen()">
        <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
            <path d="M8 3H5a2 2 0 0 0-2 2v3m18 0V5a2 2 0 0 0-2-2h-3m0 18h3a2 2 0 0 0 2-2v-3M3 16v3a2 2 0 0 0 2 2h3"></path>
        </svg>
    </button>

    <script>
        let currentSlide = 1;
        const totalSlides = 8; // 更新为8页

        function showSlide(n) {
            // 在切换页面时暂停视频(如果正在播放)
            const videos = document.querySelectorAll('video');
            videos.forEach(video => {
                video.pause();
            });

            document.querySelectorAll('.slide').forEach(slide => {
                slide.classList.remove('active');
            });
            
            document.getElementById('slide' + n).classList.add('active');
            document.querySelector('.slide-number').textContent = n + ' / ' + totalSlides;
        }

        function nextSlide() {
            if (currentSlide < totalSlides) {
                currentSlide++;
                showSlide(currentSlide);
            }
        }

        function prevSlide() {
            if (currentSlide > 1) {
                currentSlide--;
                showSlide(currentSlide);
            }
        }

        function adjustImageSize(slider, slideNumber) {
            const size = slider.value;
            const slide = document.getElementById('slide' + slideNumber);
            const image = slide.querySelector('.slide-image');
            const label = slider.parentElement.querySelector('.size-label');
            
            image.style.width = size + '%';
            label.textContent = size + '%';
        }

        // 修改后的键盘事件监听,支持上下键和全屏
        document.addEventListener('keydown', function(event) {
            switch(event.key) {
                case 'ArrowRight':
                case 'ArrowDown':
                    nextSlide();
                    break;
                case 'ArrowLeft':
                case 'ArrowUp':
                    prevSlide();
                    break;
                case 'f':
                    toggleFullScreen();
                    break;
            }
        });

        // 全屏切换功能
        function toggleFullScreen() {
            if (!document.fullscreenElement &&
                !document.mozFullScreenElement &&
                !document.webkitFullscreenElement &&
                !document.msFullscreenElement) {
                // 进入全屏
                if (document.documentElement.requestFullscreen) {
                    document.documentElement.requestFullscreen();
                } else if (document.documentElement.msRequestFullscreen) {
                    document.documentElement.msRequestFullscreen();
                } else if (document.documentElement.mozRequestFullScreen) {
                    document.documentElement.mozRequestFullScreen();
                } else if (document.documentElement.webkitRequestFullscreen) {
                    document.documentElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
                }
            } else {
                // 退出全屏
                if (document.exitFullscreen) {
                    document.exitFullscreen();
                } else if (document.msExitFullscreen) {
                    document.msExitFullscreen();
                } else if (document.mozCancelFullScreen) {
                    document.mozCancelFullScreen();
                } else if (document.webkitExitFullscreen) {
                    document.webkitExitFullscreen();
                }
            }
        }
    </script>
</body>
</html>