updated Demo样式细节优化

static/image/bg.svg

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <svg width="1440px" height="448px" viewBox="0 0 1440 448" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
-    <!-- Generator: Sketch 59.1 (86144) - https://sketch.com -->
-    <title>编组 5备份</title>
+    <title>Background</title>
     <desc>Created with Sketch.</desc>
     <defs>
         <linearGradient x1="-5.68700053%" y1="45.5298642%" x2="84.7892757%" y2="53.934985%" id="linearGradient-1">
@@ -27,11 +26,11 @@
             <stop stop-color="#D2ECFF" stop-opacity="0.225387893" offset="100%"></stop>
         </linearGradient>
     </defs>
-    <g id="页面-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
-        <g id="导航方案备份">
-            <g id="编组-5备份">
-                <g id="路径备份">
-                    <g id="蒙版">
+    <g stroke="none" stroke-width="1" fill="none" fill-rule="evenodd">
+        <g>
+            <g>
+                <g>
+                    <g>
                         <g transform="translate(0.000000, 0.000000)">
                             <mask id="mask-4" fill="white">
                                 <use xlink:href="#path-3"></use>
@@ -40,15 +39,15 @@
                                 <use fill="url(#linearGradient-1)" xlink:href="#path-3"></use>
                                 <use fill="url(#radialGradient-2)" xlink:href="#path-3"></use>
                             </g>
-                            <g id="矩形备份-32" mask="url(#mask-4)">
+                            <g mask="url(#mask-4)">
                                 <use fill="url(#linearGradient-5)" xlink:href="#path-7"></use>
                                 <use fill="url(#linearGradient-6)" xlink:href="#path-7"></use>
                             </g>
-                            <rect id="矩形" fill="url(#linearGradient-8)" mask="url(#mask-4)" x="0" y="166" width="1440" height="282"></rect>
+                            <rect fill="url(#linearGradient-8)" mask="url(#mask-4)" x="0" y="166" width="1440" height="282"></rect>
                         </g>
                     </g>
                 </g>
             </g>
         </g>
     </g>
-</svg>
+</svg>