SVG代码
<svg width='300' height='200' xmlns='http://www.w3.org/2000/svg' id='wujunmin'>
<defs>
<linearGradient id='gradient' x1='0%' y1='0%' x2='100%' y2='0%'>
<stop offset='0%' stop-color='rgb(59, 130, 246)'/>
<stop offset='100%' stop-color='rgb(16, 185, 129)'/>
</linearGradient>
<filter id='neon-glow' height='300%' width='300%' x='-75%' y='-75%'>
<feGaussianBlur stdDeviation='5' result='blur'></feGaussianBlur>
<feComposite in='SourceGraphic' in2='blur' operator='over'></feComposite>
</filter>
</defs>
<rect x='2' y='2' width='296' height='196' rx='10' stroke='url(#gradient)' stroke-width='4' fill='none'/>
</svg>