修复登录页面白边问题 - 去除所有边框实现全屏无边框效果

demo/frontend/src/views/Login.vue

@@ -205,10 +205,16 @@ const handleLogin = async () => {
 <style scoped>
 .login-page {
   min-height: 100vh;
+  width: 100vw;
+  height: 100vh;
   background: url('/images/backgrounds/login.png') center/cover no-repeat;
-  position: relative;
+  position: fixed;
+  top: 0;
+  left: 0;
   overflow: hidden;
   font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
+  margin: 0;
+  padding: 0;
 }
 
 /* 背景效果已移除，使用图片背景 */
@@ -234,7 +240,7 @@ const handleLogin = async () => {
   background: rgba(26, 26, 46, 0.8);
   backdrop-filter: blur(20px);
   border-radius: 24px;
-  border: 1px solid rgba(255, 255, 255, 0.1);
+  border: none;
   padding: 50px;
   z-index: 10;
 }
@@ -295,7 +301,7 @@ const handleLogin = async () => {
   width: 100px;
   height: 55px;
   background: rgba(0, 0, 0, 0.3);
-  border: 1px solid rgba(255, 255, 255, 0.2);
+  border: none;
   border-radius: 10px;
   display: flex;
   align-items: center;
@@ -321,7 +327,7 @@ const handleLogin = async () => {
 
 .phone-input :deep(.el-input__wrapper) {
   background: rgba(0, 0, 0, 0.3);
-  border: 1px solid rgba(255, 255, 255, 0.2);
+  border: none;
   border-radius: 10px;
   box-shadow: none;
   height: 55px;
@@ -349,7 +355,7 @@ const handleLogin = async () => {
 
 .code-input :deep(.el-input__wrapper) {
   background: rgba(0, 0, 0, 0.3);
-  border: 1px solid rgba(255, 255, 255, 0.2);
+  border: none;
   border-radius: 10px;
   box-shadow: none;
   height: 55px;
@@ -441,14 +447,13 @@ const handleLogin = async () => {
   padding: 6px 12px;
   background: rgba(0, 0, 0, 0.2);
   border-radius: 6px;
-  border: 1px solid rgba(255, 255, 255, 0.1);
+  border: none;
   cursor: pointer;
   transition: all 0.3s ease;
 }
 
 .account-item:hover {
   background: rgba(0, 0, 0, 0.4);
-  border-color: rgba(255, 255, 255, 0.3);
   transform: translateY(-1px);
 }