绚丽增强层静态可见度提升：卡片描边常驻、KPI 光晕、登录页提亮、按钮渐变加深、静态 message 弹窗暗色玻璃化，素材同步重采

frontend/src/global.less

@@ -286,13 +286,13 @@ body::after {
 
 .ant-btn-primary {
   border: 0;
-  background: linear-gradient(135deg, #0891b2, #2563eb 52%, #7c3aed);
+  background: linear-gradient(135deg, #0e7490, #1d4ed8 52%, #6d28d9);
   box-shadow: 0 10px 24px rgba(37, 99, 235, 0.28);
 }
 
 .ant-btn-primary:hover,
 .ant-btn-primary:focus {
-  background: linear-gradient(135deg, #06b6d4, #3b82f6 52%, #8b5cf6) !important;
+  background: linear-gradient(135deg, #0891b2, #2563eb 52%, #7c3aed) !important;
   box-shadow: 0 0 26px rgba(34, 211, 238, 0.26) !important;
 }
 
@@ -566,3 +566,40 @@ body::after {
 .ant-alert-close-icon:hover .anticon-close {
   color: #ecfeff !important;
 }
+/* Static message/notification calls (message.error etc.) do not consume ConfigProvider
+   dark theme in antd v5 — force dark glass panel so no white popup appears in dark shell. */
+.ant-message .ant-message-notice-content,
+.ant-notification .ant-notification-notice {
+  color: #e6f7ff;
+  border: 1px solid rgba(103, 232, 249, 0.28);
+  background: linear-gradient(145deg, rgba(14, 30, 56, 0.96), rgba(7, 18, 39, 0.96));
+  box-shadow: 0 16px 44px rgba(2, 8, 23, 0.55), 0 0 24px rgba(34, 211, 238, 0.12);
+  backdrop-filter: blur(16px);
+}
+
+.ant-message .ant-message-notice-content .ant-message-custom-content,
+.ant-notification .ant-notification-notice-message,
+.ant-notification .ant-notification-notice-description {
+  color: #e6f7ff !important;
+}
+
+.ant-message .ant-message-notice-content .anticon-close-circle,
+.ant-message .ant-message-notice-content .anticon-close {
+  color: #fb7185 !important;
+}
+
+.ant-message .ant-message-notice-content .anticon-exclamation-circle {
+  color: #fbbf24 !important;
+}
+
+.ant-message .ant-message-notice-content .anticon-check-circle {
+  color: #4ade80 !important;
+}
+
+.ant-message .ant-message-notice-content .anticon-info-circle {
+  color: #67e8f9 !important;
+}
+
+.ant-message .ant-message-notice-content .anticon-loading {
+  color: #67e8f9 !important;
+}

frontend/src/pages/login/index.module.less

@@ -72,7 +72,7 @@
   box-shadow:
     0 24px 70px rgba(0, 0, 0, 0.48),
     inset 0 1px 0 rgba(255, 255, 255, 0.08),
-    0 0 36px rgba(34, 211, 238, 0.12);
+    0 0 52px rgba(34, 211, 238, 0.22);
   backdrop-filter: blur(22px);
 }
 
@@ -120,7 +120,7 @@
 
 .brandRow p {
   margin: 4px 0 0;
-  color: rgba(226, 242, 255, 0.58);
+  color: rgba(226, 242, 255, 0.82);
   font-size: 12px;
   letter-spacing: 0.08em;
   text-transform: uppercase;
@@ -168,7 +168,7 @@
   height: 44px;
   margin-top: 8px;
   border: 0;
-  background: linear-gradient(135deg, #0891b2, #2563eb 52%, #7c3aed);
+  background: linear-gradient(135deg, #0e7490, #1d4ed8 52%, #6d28d9);
   box-shadow: 0 14px 28px rgba(37, 99, 235, 0.3);
 }
 
@@ -182,7 +182,7 @@
   gap: 18px;
   margin-top: 24px;
   padding-top: 18px;
-  color: rgba(226, 242, 255, 0.52);
+  color: rgba(226, 242, 255, 0.78);
   font-size: 13px;
   border-top: 1px solid rgba(103, 232, 249, 0.14);
 }

frontend/src/pages/overview/index.less

@@ -428,6 +428,15 @@
 .kpi-card:nth-child(4) { animation-delay: 0.2s; }
 .kpi-card:nth-child(5) { animation-delay: 0.26s; }
 
+/* 常驻霓虹边框光（静态即可见） */
+.kpi-card {
+  box-shadow: 0 0 0 1px rgba(34, 211, 238, 0.18), 0 10px 28px rgba(2, 8, 23, 0.42), 0 0 22px rgba(34, 211, 238, 0.1);
+}
+
+.ov-panel {
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 0 24px rgba(34, 211, 238, 0.08);
+}
+
 @keyframes dazzle-ov-card-in {
   from { opacity: 0; transform: translateY(10px); }
   to   { opacity: 1; transform: translateY(0); }

frontend/src/styles/dazzle.less

@@ -15,9 +15,9 @@
 /* ---------- 1. 动态极光背景：三团彩色光斑缓慢漂移 ---------- */
 body::after {
   background:
-    radial-gradient(circle at 22% 24%, rgba(34, 211, 238, 0.16), transparent 32%),
-    radial-gradient(circle at 78% 30%, rgba(139, 92, 246, 0.15), transparent 34%),
-    radial-gradient(circle at 50% 80%, rgba(59, 130, 246, 0.17), transparent 38%);
+    radial-gradient(circle at 22% 24%, rgba(34, 211, 238, 0.22), transparent 34%),
+    radial-gradient(circle at 78% 30%, rgba(139, 92, 246, 0.2), transparent 36%),
+    radial-gradient(circle at 50% 80%, rgba(59, 130, 246, 0.22), transparent 40%);
   animation: dazzle-aurora 36s ease-in-out infinite alternate;
   will-change: transform;
 }
@@ -60,7 +60,7 @@ body::before {
     transparent
   );
   background-repeat: no-repeat;
-  background-size: 38% 100%;
+  background-size: 46% 100%;
   animation: dazzle-header-sweep 7s linear infinite;
 }
 
@@ -103,7 +103,7 @@ body::before {
   -webkit-mask-composite: xor;
   mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
   mask-composite: exclude;
-  opacity: 0.22;
+  opacity: 0.5;
   transition: opacity 0.3s ease;
   animation: dazzle-ring-spin 7s linear infinite;
 }