更新了登陆页面的css样式，没那么抽象了

src/components/login_module.vue

@@ -83,52 +83,6 @@ const showError = ref(false)
 const errorTitle = ref('错误提示')
 const errorMessage = ref('')
 
-const validateUsername = () => {
-  if (!username.value) {
-    usernameError.value = '请输入QQ号码'
-    return false
-  }
-  if (!/^[/\d/g]+$/.test(username.value)) {
-    usernameError.value = 'QQ号码只能包含数字'
-    return false
-  }
-  if (username.value.length < 4) {
-    usernameError.value = 'QQ号码长度不能小于4个字符'
-    return false
-  }
-  usernameError.value = ''
-  return true
-}
-
-const validatePassword = () => {
-  if (!password.value) {
-    passwordError.value = '请输入密码'
-    return false
-  }
-  if (password.value.length < 4) {
-    passwordError.value = '密码长度不能小于4个字符'
-    return false
-  }
-  if (password.value.length > 20) {
-    passwordError.value = '密码长度不能超过20个字符'
-    return false
-  }
-  passwordError.value = ''
-  return true
-}
-
-const validateCaptcha = () => {
-  if (!captcha.value) {
-    captchaError.value = '请输入验证码'
-    return false
-  }
-  if (captcha.value.length !== 4) {
-    captchaError.value = '验证码长度不正确'
-    return false
-  }
-  captchaError.value = ''
-  return true
-}
 
 const isFormValid = computed(() => {
   return !usernameError.value &&

src/components/register_module.vue

@@ -90,60 +90,6 @@ const showErrorMessage = (message, title = '错误提示') => {
   showError.value = true
 }
 
-// 表单验证规则
-const validateUsername = () => {
-  if (!username.value) {
-    usernameError.value = '请输入QQ号码'
-    return false
-  }
-  // 只允许纯数字
-  if (!/^\d+$/.test(username.value)) {
-    usernameError.value = 'QQ号只能包含数字'
-    return false
-  }
-  usernameError.value = ''
-  return true
-}
-
-const validatePassword = () => {
-  if (!password.value) {
-    passwordError.value = '请输入密码'
-    return false
-  }
-  if (password.value.length < 6) {
-    passwordError.value = '密码长度不能小于6个字符'
-    return false
-  }
-  passwordError.value = ''
-  return true
-}
-
-const validateConfirmPassword = () => {
-  if (!confirmPassword.value) {
-    confirmPasswordError.value = '请再次输入密码'
-    return false
-  }
-  if (confirmPassword.value !== password.value) {
-    confirmPasswordError.value = '两次输入的密码不一致'
-    return false
-  }
-  confirmPasswordError.value = ''
-  return true
-}
-
-const validateCaptcha = () => {
-  if (!captcha.value) {
-    captchaError.value = '请输入验证码'
-    return false
-  }
-  if (captcha.value.length !== 4) {
-    captchaError.value = '验证码长度不正确'
-    return false
-  }
-  captchaError.value = ''
-  return true
-}
-
 const refreshCaptcha = async () => {
   try {
     const response = await getCaptcha()

src/views/backend/Login.vue

@@ -7,10 +7,10 @@
       <p>© Byz解忧杂货铺</p>
     </div>
     <div class="content-container">
-      <div class="login-right">
         <button class="back-btn" @click="handleBack" title="返回主界面">
           返回主界面
         </button>
+        <div class="form-content">
           <LoginModule v-if="!showRegister" @register="showRegister = true" />
           <RegisterModule v-else @login="showRegister = false" />
         </div>
@@ -64,35 +64,30 @@ const handleBack = () => {
 }
 
 .content-container {
-  position: absolute;
-  top: 0;
-  right: 0;
+  position: relative;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
   width: 25%;
   min-width: 320px;
-  height: 100%;
   display: flex;
+  flex-direction: column;
   align-items: center;
-  justify-content: center;
+  justify-content: flex-start;
   z-index: 2;
-}
-
-.login-right {
-  position: relative;
-  width: 100%;
-  height: calc(100vh - 120px);
-  margin: 0;
-  background: linear-gradient(135deg, #afe9ef 0%, #a0c4ff 100%);
-  border-radius: 16px 0 0 20px;
-  box-shadow: -8px 0 25px rgba(0, 0, 0, 0.51);
-  display: flex;
-  align-items: center;
-  justify-content: center;
+  padding: 2rem;
+  background: rgba(255, 255, 255, 0.2);
+  border-radius: 16px;
+  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
+  backdrop-filter: blur(5px);
+  -webkit-backdrop-filter: blur(5px);
+  border: 1px solid rgba(255, 255, 255, 0.3);
 }
 
 .back-btn {
   position: absolute;
   top: 18px;
-  left: 28px;
+  left: 18px;
   background: #e6f7ff;
   color: #409eff;
   border: none;
@@ -113,41 +108,49 @@ const handleBack = () => {
   color: #1976d2;
 }
 
+.form-content {
+  width: 100%;
+  margin-top: 48px;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
 @media (max-width: 900px) {
   .content-container {
     width: 40%;
     min-width: 220px;
   }
-  .login-right {
-  }
-  .login-form {
-    max-width: 220px;
-  }
 }
 
 @media (max-width: 600px) {
   .content-container {
-    width: 100%;
-    min-width: 0;
-    left: 0;
-    right: 0;
-  }
-  .login-right {
-    border-radius: 0;
-    margin: 0;
+    width: 100vw;
     height: 100vh;
     min-width: 0;
-    max-width: 100vw;
-    box-shadow: none;
-    background: linear-gradient(135deg, #afe9ef 0%, #b6d0ff 100%);
-  }
-  .login-form {
-    width: 96%;
-    min-width: 0;
-    max-width: 100vw;
+    left: 0;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    transform: none;
+    border-radius: 0;
+    background: rgba(0,0,0,0.18);
+    backdrop-filter: blur(16px);
+    -webkit-backdrop-filter: blur(16px);
+    padding: 0 8px;
+    justify-content: flex-start;
   }
   .back-btn {
-    display: none;
+    top: 18px;
+    left: 18px;
+    border-radius: 16px;
+    font-size: 15px;
+    padding: 6px 14px;
+  }
+  .form-content {
+    margin-top: 64px;
+    width: 100%;
+    align-items: center;
   }
 }