 <style>
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            margin: 0;
            padding: 0;
            background-color: #f9f9f9;
        }
        
        /* Popup Container */
        .popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }
        
        .popup-container {
            width: 90%;
            max-width: 900px;
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
            position: relative;
        }
        
        /* Video Slider */
        .video-slider {
            display: flex;
            transition: transform 0.5s ease;
        }
        
        .video-slide {
            min-width: 100%;
            position: relative;
        }
        
        .video-container {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
            height: 0;
            overflow: hidden;
        }
        
        .video-container iframe {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border: none;
        }
        
        /* Navigation */
        .slider-nav {
            position: absolute;
            top: 50%;
            width: 100%;
            display: flex;
            justify-content: space-between;
            transform: translateY(-50%);
            padding: 0 15px;
            box-sizing: border-box;
            pointer-events: none;
        }
        
        .nav-btn {
            pointer-events: auto;
            background: rgba(255, 255, 255, 0.7);
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 20px;
            color: #333;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: all 0.3s;
        }
        
        .nav-btn:hover {
            background: rgba(255, 255, 255, 0.9);
        }
        
        /* Close Button */
        .close-btn {
            position: absolute;
            top: 15px;
            right: 15px;
            background: rgba(0, 0, 0, 0.5);
            border: none;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            color: white;
            font-size: 18px;
            cursor: pointer;
            z-index: 10;
        }
        
        /* Video Info */
        .video-info {
            padding: 15px;
            background: #f1f1f1;
        }
        
        .video-title {
            margin: 0;
            color: #333;
            font-size: 18px;
        }
        
        /* Video Indicators */
        .video-indicators {
            display: flex;
            justify-content: center;
            padding: 10px 0;
        }
        
        .indicator {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ccc;
            margin: 0 5px;
            cursor: pointer;
            transition: background 0.3s;
        }
        
        .indicator.active {
            background: #e74c3c;
        }
        
        /* Open Popup Button */
        .open-popup-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #e74c3c;
            color: white;
            border: none;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            font-size: 24px;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 999;
            transition: transform 0.3s;
        }
        
        .open-popup-btn:hover {
            transform: scale(1.1);
        }
        
        /* Animation */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .fade-in {
            animation: fadeIn 0.5s forwards;
        }
    </style>