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h2{font-size:1.8rem;margin-bottom:10px}.demo-options{padding:30px}.demo-option-btn{display:flex;align-items:center;gap:20px;padding:20px;background:#f1f5f9;border-radius:8px;cursor:pointer;transition:all .2s;margin-bottom:15px}.demo-option-btn:hover{background:#e2e8f0}.demo-option-icon{width:50px;height:50px;background:#1d4ed8;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.2rem}.demo-option-text h3{font-size:1.2rem;margin-bottom:5px;color:#0f172a}.demo-modal-footer{padding:20px 30px;text-align:center;border-top:1px solid #e2e8f0}.demo-close-btn{background:#f1f5f9;color:#475569;border:1px solid #e2e8f0;padding:10px 30px;border-radius:6px;cursor:pointer;font-weight:600;transition:all .2s}.demo-close-btn:hover{background:#e2e8f0}.video-modal-content{max-width:900px}.video-modal-header{padding:20px 30px;background:#f1f5f9;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;justify-content:space-between}.video-modal-header h3{font-size:1.3rem;color:#0f172a;display:flex;align-items:center;gap:10px}.video-close-btn{background:0 0;border:none;color:#475569;font-size:1.5rem;cursor:pointer;width:40px;height:40px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s}.video-close-btn:hover{background:#f1f5f9}.video-container{padding:30px}.video-frame{position:relative;border-radius:8px;overflow:hidden;background:#000;margin-bottom:20px}.video-frame.mobile-video{width:320px;height:640px;margin:0 auto}.video-frame.desktop-video{width:100%;height:0;padding-bottom:56.25%}.video-frame iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.video-info{text-align:center}.video-info p{color:#64748b;margin-bottom:15px}.video-duration{display:inline-block;background:#1d4ed8;color:#fff;padding:6px 15px;border-radius:20px;font-size:.9rem}@keyframes modalSlide{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@media 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