fix(F006): 登录页 logo 白框彻底清除 - 移除 .rr-login-left ::before 蓝紫光晕 + ::after 网格装饰；.rr-login 改用 --bg-soft 纯色；--login-grad-1 从 #EFF6FF 改深到 #DBEAFE

src/modules/auth/LoginView.vue

@@ -202,7 +202,7 @@ async function onLogin() {
 .rr-login {
   width: 100vw;
   height: 100vh;
-  background: linear-gradient(145deg, var(--login-grad-1) 0%, var(--login-grad-2) 50%, var(--login-grad-3) 100%);
+  background: var(--bg-soft);
   display: flex;
   align-items: center;
   justify-content: center;
@@ -211,7 +211,7 @@ async function onLogin() {
   padding: 24px;
 }
 
-/* 舞台(套设计稿 .login-stage) */
+/* 舞台(套设计稿 .login-stage) — 背景透明,logo/表单直接渲染在 .rr-login 页面渐变上 */
 .rr-login-stage {
   width: 1324px;
   height: 600px;
@@ -221,26 +221,11 @@ async function onLogin() {
   overflow: hidden;
   display: flex;
   position: relative;
-  background: linear-gradient(145deg, var(--login-grad-1) 0%, var(--login-grad-2) 50%, var(--login-grad-3) 100%);
-  border: 1px solid var(--border);
-  box-shadow: 0 20px 50px -12px rgba(15, 23, 42, 0.1);
 
-  &::after {
-    content: '';
-    position: absolute;
-    inset: 0;
-    background-image:
-      linear-gradient(var(--brand) 1px, transparent 1px),
-      linear-gradient(90deg, var(--brand) 1px, transparent 1px);
-    background-size: 32px 32px;
-    opacity: 0.05;
-    pointer-events: none;
-    z-index: 0;
-  }
   & > * { position: relative; z-index: 1; }
 }
 
-/* 左 65% 品牌区 */
+/* 左 65% 品牌区（背景透明，让 logo/品牌文字直接渲染在 .rr-login 页面渐变上） */
 .rr-login-left {
   flex: 1.857;
   padding: 48px;
@@ -248,33 +233,11 @@ async function onLogin() {
   flex-direction: column;
   justify-content: space-between;
   position: relative;
-  background: linear-gradient(135deg, var(--login-grad-1) 0%, var(--login-grad-2) 50%, var(--login-grad-3) 100%);
+  background: transparent;
   color: var(--ink);
   overflow: hidden;
 
-  &::before {
+  /* 之前的 ::before 蓝紫光晕 + ::after 网格装饰, 在 left 透明后会让品牌区看起来像个发光方框, 故移除 */
-    content: '';
-    position: absolute;
-    inset: 0;
-    background-image:
-      radial-gradient(ellipse 800px 500px at 25% 30%, var(--login-glow-1) 0%, transparent 50%),
-      radial-gradient(ellipse 700px 400px at 75% 70%, var(--login-glow-2) 0%, transparent 50%);
-    pointer-events: none;
-  }
-  &::after {
-    content: '';
-    position: absolute;
-    inset: 0;
-    background-image:
-      linear-gradient(var(--brand) 1px, transparent 1px),
-      linear-gradient(90deg, var(--brand) 1px, transparent 1px);
-    background-size: 32px 32px;
-    opacity: 0.04;
-    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
-    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
-    pointer-events: none;
-  }
-  & > * { position: relative; z-index: 1; }
 }
 .rr-login-brand { display: flex; align-items: center; gap: 10px; }
 .rr-login-logo {

src/theme/themes.scss

@@ -28,7 +28,7 @@
   --primary-soft: var(--brand-soft);
   --brand-glow: rgba(37, 99, 235, 0.15);
   // 登录页渐变
-  --login-grad-1: #EFF6FF;
+  --login-grad-1: #DBEAFE;
   --login-grad-2: #DBEAFE;
   --login-grad-3: #E0E7FF;
   --login-glow-1: rgba(37, 99, 235, 0.18);