Function hideFixedElements

apps/screenshot/content-script.js:427–459

* 隐藏固定定位和粘性定位的元素 * @returns {Array} 被隐藏元素的原始样式信息，用于恢复

()

     * @returns {Array} 被隐藏元素的原始样式信息，用于恢复
     */
    function hideFixedElements() {
        const fixedElements = [];
        
        // 查找所有fixed和sticky定位的元素
        const elements = document.querySelectorAll('*');
        elements.forEach(el => {
            const style = window.getComputedStyle(el);
            if (style && (style.position === 'fixed' || style.position === 'sticky')) {
                // 排除FeHelper自己的UI元素
                if (el.classList.contains('fehelper-ui-element') || 
                    el.hasAttribute('data-fh-ui') || 
                    el.id === 'fehelper-screenshot-progress' ||
                    el.closest('#fehelper_screenshot_container')) {
                    return;
                }
                
                // 保存原始样式
                fixedElements.push({
                    element: el,
                    originalDisplay: el.style.display,
                    originalVisibility: el.style.visibility,
                    originalOpacity: el.style.opacity
                });
                
                // 隐藏元素
                el.style.visibility = 'hidden';
                el.style.opacity = '0';
            }
        });
        
        window._fh_fixed_elements = fixedElements;
        return fixedElements;
    }

    /**
     * 恢复之前隐藏的固定定位和粘性定位元素