feat: 修改登录页面的协议复选框颜色，提升视觉一致性；更新绑定邀请码页面的头部样式，增强用户体验

src/views/auth/login.vue

@@ -336,8 +336,8 @@ function goToTerms(type: "service" | "privacy") {
 .agreement-checkbox {
   --size: 20px;
   --border-radius: 4px;
-  --background-checked: #0052d9;
-  --border-color-checked: #0052d9;
+  --background-checked: #c41e3a;
+  --border-color-checked: #c41e3a;
   margin: 0;
   flex-shrink: 0;
 }

src/views/invite/bind.vue

@@ -140,12 +140,14 @@ function nextPage() {
 
 <template>
   <ion-page>
-    <ion-toolbar class="ion-toolbar">
-      <ion-buttons slot="start">
-        <back-button />
-      </ion-buttons>
-      <ion-title>绑定邀请码</ion-title>
-    </ion-toolbar>
+    <ion-header class="ion-no-border">
+      <ion-toolbar class="ion-toolbar">
+        <ion-buttons slot="start">
+          <back-button />
+        </ion-buttons>
+        <ion-title>绑定邀请码</ion-title>
+      </ion-toolbar>
+    </ion-header>
     <ion-content :fullscreen="true">
       <!-- 顶部横幅 -->
       <img src="@/assets/images/invite-banner.jpg" class="w-full object-contain" alt="邀请横幅">