feat: 更新密码可见性图标引用，调整图标大小

src/views/auth/login.vue

@@ -1,4 +1,5 @@
 <script lang='ts' setup>
+import { eyeOffOutline, eyeOutline } from "ionicons/icons";
 import { safeClient } from "@/api";
 import { authClient } from "@/auth";
 import { LoginSchema } from "./schema";
@@ -122,7 +123,7 @@ function goToTerms(type: "service" | "privacy") {
             />
             <ion-icon
               slot="end"
-              :icon="showPassword ? 'eye-outline' : 'eye-off-outline'"
+              :icon="showPassword ? eyeOutline : eyeOffOutline"
               class="password-toggle"
               @click="showPassword = !showPassword"
             />
@@ -320,7 +321,7 @@ function goToTerms(type: "service" | "privacy") {
 
 .password-toggle {
   color: #8b949e;
-  font-size: 22px;
+  font-size: 16px;
   cursor: pointer;
 }