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💡 CSS 霓虹灯文字生成器CSS Neon Text Generator
用多层 text-shadow 生成霓虹灯发光文字效果：自定义文字、颜色、字号、发光强度和背景，可加入闪烁动画，复制即可使用。Create glowing neon text with layered text-shadow: set the text, colour, size, glow strength and background, optionally add a flicker animation, and copy the CSS.
使用说明与常见问题How-to & FAQ
「CSS 霓虹灯文字生成器」是什么？What is the CSS Neon Text Generator tool?
用多层 text-shadow 生成霓虹灯发光文字效果：自定义文字、颜色、字号、发光强度和背景，可加入闪烁动画，复制即可使用。Create glowing neon text with layered text-shadow: set the text, colour, size, glow strength and background, optionally add a flicker animation, and copy the CSS.
如何使用「CSS 霓虹灯文字生成器」？How do I use the CSS Neon Text Generator?
输入文字，选择霓虹颜色和发光强度，预览区会实时显示效果；勾选「闪烁动画」可模拟灯管闪烁。复制 HTML 和 CSS 即可用在网页标题或横幅中。Type your text, pick the neon colour and glow strength, and the preview updates live; tick Flicker to imitate a buzzing tube. Copy the HTML and CSS into a heading or banner.
霓虹效果的原理是什么？How does the neon effect work?
叠加多层 text-shadow：最内层用白色、小半径模拟发亮的灯管，外层用霓虹颜色、逐步增大的模糊半径模拟光晕。深色背景能让发光更明显。Several stacked text-shadows: inner white, small-radius layers form the bright tube and outer coloured layers with growing blur form the glow. A dark background makes it pop.
发光层数太多会卡吗？Can too many glow layers slow the page?
大段文字加很多层大半径阴影会增加绘制开销，标题这类短文字通常没有问题；如果用了闪烁动画，建议只用在少量元素上。Many large-radius shadows on long text add paint cost; short headings are fine. If you use the flicker animation, keep it to a few elements.
「CSS 霓虹灯文字生成器」免费吗？数据会上传吗？Is the CSS Neon Text Generator free? Is my data uploaded?
「CSS 霓虹灯文字生成器」完全免费，无需注册或安装，手机和电脑都能用；所有处理都在你的浏览器本地完成，输入的内容和文件不会上传到服务器。The CSS Neon Text Generator is completely free with no sign-up or install and works on phones and desktops; everything runs locally in your browser and nothing you enter is uploaded.