�载幻灯片
        function loadSlideWithCache(index, isInitial = false) {
            if (index < 0 || index >= totalSlides || isTransitioning) return;

            // 如果是相同的幻灯片，直接返回
            if (index === currentSlideIndex && !isInitial) return;

            console.log(`加载幻灯片 ${index + 1}/${totalSlides}:`, slidesData[index]?.title);

            isTransitioning = true;

            // 检查是否已缓存
            if (slideFrameCache.has(index)) {
         