feat: 全面对齐 V21 设计系统 - Indigo主色/大圆角/毛玻璃/渐变背景

apps/web/src/index.css

@@ -1,18 +1,6 @@
-:root {
-  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
-    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
-  line-height: 1.5;
-  font-weight: 400;
-
-  color-scheme: light dark;
-  color: rgba(255, 255, 255, 0.87);
-  background-color: #242424;
-
-  font-synthesis: none;
-  text-rendering: optimizeLegibility;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-}
+/**
+ * V21 全局重置样式
+ */
 
 * {
   margin: 0;
@@ -20,17 +8,38 @@
   box-sizing: border-box;
 }
 
-body {
-  margin: 0;
-  display: flex;
-  place-items: center;
-  min-width: 320px;
+html, body, #root {
+  width: 100%;
   min-height: 100vh;
 }
 
-#root {
-  width: 100%;
-  margin: 0 auto;
-  padding: 2rem;
-  text-align: center;
+body {
+  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC',
+    'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  color: #0f172a;
+  background-color: #f8fafc;
+}
+
+/* 滚动条 - V21 样式 */
+::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+
+::-webkit-scrollbar-thumb {
+  background: rgba(0, 0, 0, 0.15);
+  border-radius: 6px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+  background: rgba(0, 0, 0, 0.25);
+}
+
+/* 毛玻璃导航栏效果 */
+.navbar-glass {
+  background: rgba(255, 255, 255, 0.86);
+  backdrop-filter: blur(16px);
+  -webkit-backdrop-filter: blur(16px);
 }