feat: 底部 tabBar 改用 SVG 线性图标，文字提示加粗

src/custom-tab-bar/index.scss

@@ -45,6 +45,7 @@
 .tab-label {
   font-size: 20px;
   color: #b08d8d;
+  font-weight: 600;
   transition: color 0.2s;
 }
 
@@ -54,7 +55,7 @@
 
 .tab-item.active .tab-label {
   color: #ff9a9e;
-  font-weight: 600;
+  font-weight: 700;
 }
 
 .custom-tab-bar.theme-dark .tab-item.active .tab-label {

src/custom-tab-bar/index.tsx

@@ -7,11 +7,11 @@ import { applyPageBackground } from '../utils/themeBackground'
 import './index.scss'
 
 const TABS = [
-  { pagePath: '/pages/index/index', text: '首页', icon: '/icon/首页.png' },
-  { pagePath: '/pages/shop/index', text: '商品', icon: '/icon/商品.png' },
-  { pagePath: '/pages/designList/index', text: '设计清单', icon: '/icon/调色盘.png' },
-  { pagePath: '/pages/orders/index', text: '订单', icon: '/icon/包裹.png' },
-  { pagePath: '/pages/profile/index', text: '我的', icon: '/icon/个人.png' }
+  { pagePath: '/pages/index/index', text: '首页', icon: '/icon/首页.svg' },
+  { pagePath: '/pages/shop/index', text: '商品', icon: '/icon/商品.svg' },
+  { pagePath: '/pages/designList/index', text: '设计清单', icon: '/icon/调色盘.svg' },
+  { pagePath: '/pages/orders/index', text: '订单', icon: '/icon/包裹.svg' },
+  { pagePath: '/pages/profile/index', text: '我的', icon: '/icon/个人.svg' }
 ]
 
 export default function CustomTabBar() {