feat(login): 优化登录表单组件样式和用户体验

- 重新设计表单布局，添加欢迎语和用户选择区域
- 优化输入框样式，采用更现代化的圆角和边框设计
- 实现动态主题色系统，所有交互元素跟随系统主题色
- 改进按钮样式，使用渐变背景和悬停效果
- 优化验证码输入区域的视觉效果
- 完善暗色主题适配和响应式设计

src/views/login/components/Login/index.vue

@@ -1,12 +1,18 @@
 <script setup lang="ts">
 import type { FormInst } from 'naive-ui'
-import { useAuthStore } from '@/store'
+import { useAppStore, useAuthStore } from '@/store'
 import { fetchCaptchaPng } from '@/service/api/auth'
 import { local } from '@/utils'
 
 const emit = defineEmits(['update:modelValue'])
 
 const authStore = useAuthStore()
+const appStore = useAppStore()
+
+// 获取主题色
+const primaryColor = computed(() => appStore.primaryColor)
+const primaryColorHover = computed(() => appStore.theme.common.primaryColorHover)
+const primaryColorPressed = computed(() => appStore.theme.common.primaryColorPressed)
 
 function toOtherForm(type: any) {
   emit('update:modelValue', type)
@@ -92,16 +98,39 @@ function checkUserAccount() {
 </script>
 
 <template>
-  <div>
-    <n-h2 depth="3" class="text-center">
-      {{ $t('login.signInTitle') }}
-    </n-h2>
-    <n-form ref="formRef" :rules="rules" :model="formValue" :show-label="false" size="large">
+  <div class="space-y-6">
+    <!-- 头部问候语 -->
+    <div class="text-center">
+      <h1 class="text-2xl font-bold text-gray-900 dark:text-white mb-2">
+        欢迎回来 👋
+      </h1>
+      <p class="text-sm text-gray-600 dark:text-gray-400">
+        请输入您的详细信息以开始管理您的帐户
+      </p>
+    </div>
+
+    <!-- 登录表单 -->
+    <n-form ref="formRef" :rules="rules" :model="formValue" :show-label="false" size="large" class="space-y-4">
+      <!-- 账号输入 -->
       <n-form-item path="account">
-        <n-input v-model:value="formValue.account" clearable :placeholder="$t('login.accountPlaceholder')" />
+        <n-input
+          v-model:value="formValue.account"
+          clearable
+          :placeholder="$t('login.accountPlaceholder')"
+          class="login-input"
+        />
       </n-form-item>
+
+      <!-- 密码输入 -->
       <n-form-item path="pwd">
-        <n-input v-model:value="formValue.pwd" type="password" :placeholder="$t('login.passwordPlaceholder')" clearable show-password-on="click">
+        <n-input
+          v-model:value="formValue.pwd"
+          type="password"
+          :placeholder="$t('login.passwordPlaceholder')"
+          clearable
+          show-password-on="click"
+          class="login-input"
+        >
           <template #password-invisible-icon>
             <icon-park-outline-preview-close-one />
           </template>
@@ -110,17 +139,19 @@ function checkUserAccount() {
           </template>
         </n-input>
       </n-form-item>
+
+      <!-- 验证码输入 -->
       <n-form-item path="securityCode">
         <div class="flex w-full gap-3">
           <n-input
             v-model:value="formValue.securityCode"
             placeholder="请输入验证码"
             clearable
-            class="flex-1"
+            class="flex-1 login-input"
             maxlength="5"
           />
           <div
-            class="w-32 h-12 cursor-pointer rounded border-2 border-gray-300 hover:border-blue-400 flex items-center justify-center overflow-hidden bg-white transition-colors duration-200"
+            class="w-32 h-12 cursor-pointer rounded-lg border-2 border-gray-200 flex items-center justify-center overflow-hidden bg-white dark:bg-gray-700 dark:border-gray-600 transition-colors duration-200 captcha-button"
             title="点击刷新验证码"
             @click="getCaptcha"
           >
@@ -130,51 +161,111 @@ function checkUserAccount() {
               alt="验证码"
               class="w-full h-full object-contain"
             >
-            <span v-else class="text-sm text-gray-500">点击获取验证码</span>
+            <span v-else class="text-sm text-gray-500 dark:text-gray-400">点击获取验证码</span>
           </div>
         </div>
       </n-form-item>
-      <n-space vertical :size="20">
-        <div class="flex-y-center justify-between">
-          <n-checkbox v-model:checked="isRemember">
-            {{ $t('login.rememberMe') }}
-          </n-checkbox>
-          <n-button type="primary" text @click="toOtherForm('resetPwd')">
-            {{ $t('login.forgotPassword') }}
-          </n-button>
-        </div>
-        <n-button block type="primary" size="large" :loading="isLoading" :disabled="isLoading" @click="handleLogin">
-          {{ $t('login.signIn') }}
+
+      <!-- 记住密码和忘记密码 -->
+      <div class="flex items-center justify-between">
+        <n-checkbox v-model:checked="isRemember" class="text-sm">
+          {{ $t('login.rememberMe') }}
+        </n-checkbox>
+        <n-button type="primary" text class="text-sm" @click="toOtherForm('resetPwd')">
+          {{ $t('login.forgotPassword') }}
         </n-button>
-        <n-flex>
-          <n-text>{{ $t('login.noAccountText') }}</n-text>
-          <n-button type="primary" text @click="toOtherForm('register')">
-            {{ $t('login.signUp') }}
-          </n-button>
-        </n-flex>
-      </n-space>
+      </div>
+
+      <!-- 登录按钮 -->
+      <n-button
+        block
+        type="primary"
+        size="large"
+        :loading="isLoading"
+        :disabled="isLoading"
+        class="login-button"
+        @click="handleLogin"
+      >
+        {{ $t('login.signIn') }}
+      </n-button>
+
+      <!-- 注册链接 -->
+      <!--      <div class="text-center"> -->
+      <!--        <span class="text-sm text-gray-600 dark:text-gray-400">{{ $t('login.noAccountText') }}</span> -->
+      <!--        <n-button type="primary" text @click="toOtherForm('register')" class="text-sm ml-1"> -->
+      <!--          {{ $t('login.signUp') }} -->
+      <!--        </n-button> -->
+      <!--      </div> -->
     </n-form>
-    <n-divider>
-      <span op-80>{{ $t('login.or') }}</span>
-    </n-divider>
-    <n-space justify="center">
-      <n-button circle>
-        <template #icon>
-          <n-icon><icon-park-outline-wechat /></n-icon>
-        </template>
-      </n-button>
-      <n-button circle>
-        <template #icon>
-          <n-icon><icon-park-outline-tencent-qq /></n-icon>
-        </template>
-      </n-button>
-      <n-button circle>
-        <template #icon>
-          <n-icon><icon-park-outline-github-one /></n-icon>
-        </template>
-      </n-button>
-    </n-space>
   </div>
 </template>
 
-<style scoped></style>
+<style scoped>
+.login-input {
+  --n-border-radius: 8px;
+  --n-border: 1px solid #e5e7eb;
+  --n-border-hover: 1px solid v-bind(primaryColor);
+  --n-border-focus: 1px solid v-bind(primaryColor);
+  --n-box-shadow-focus: 0 0 0 3px v-bind(`${primaryColor}19`);
+  --n-padding-left: 16px;
+  --n-padding-right: 16px;
+  --n-font-size: 14px;
+  --n-height: 48px;
+}
+
+.login-button {
+  --n-border-radius: 8px;
+  --n-height: 48px;
+  --n-font-size: 16px;
+  --n-font-weight: 600;
+  background: linear-gradient(135deg, v-bind(primaryColor) 0%, v-bind(primaryColorPressed) 100%);
+  border: none;
+  transition: all 0.2s ease;
+}
+
+.login-button:hover {
+  background: linear-gradient(135deg, v-bind(primaryColorHover) 0%, v-bind(primaryColorPressed) 100%);
+  transform: translateY(-1px);
+  box-shadow: 0 4px 12px v-bind(`${primaryColor}4D`);
+}
+
+.social-login-btn {
+  @apply w-12 h-12 rounded-full border-2 border-gray-200 dark:border-gray-600 flex items-center justify-center transition-all duration-200 text-gray-600 dark:text-gray-400;
+
+  &:hover {
+    border-color: v-bind(primaryColor);
+    background: v-bind(`${primaryColor}0D`);
+    color: v-bind(primaryColor);
+  }
+}
+
+.social-login-btn:hover {
+  transform: translateY(-2px);
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
+}
+
+.captcha-button:hover {
+  border-color: v-bind(primaryColor);
+}
+
+/* 暗色主题适配 */
+.dark .login-input {
+  --n-color: #374151;
+  --n-border: 1px solid #4b5563;
+  --n-border-hover: 1px solid v-bind(primaryColor);
+  --n-color-focus: #374151;
+  --n-text-color: #f3f4f6;
+}
+
+/* 响应式设计 */
+@media (max-width: 640px) {
+  .login-input {
+    --n-height: 44px;
+  }
+
+  .login-button {
+    --n-height: 44px;
+    --n-font-size: 14px;
+  }
+}
+</style>