feat: 优化签名热力图与金额展示

src/styles/global.css

@@ -2010,6 +2010,22 @@
   padding-right: 8px;
 }
 
+.signature-summary .signature-summary__regular-value {
+  color: var(--color-text-strong);
+  font-weight: 400;
+}
+
+.money-text__fraction {
+  color: var(--color-text-muted);
+  font-size: 0.92em;
+}
+
+.signature-retirement-heatmap__total {
+  color: var(--color-text-strong);
+  font-weight: 700;
+  background: var(--color-surface-muted);
+}
+
 .carrier-report-summary {
   align-items: flex-start;
   display: inline-flex;
@@ -3300,6 +3316,8 @@
 }
 
 .login-page {
+  position: relative;
+  isolation: isolate;
   min-height: 100vh;
   display: grid;
   grid-template-columns: minmax(0, 1fr);
@@ -3312,7 +3330,18 @@
     var(--color-bg);
 }
 
+.client-login-canvas {
+  position: absolute;
+  inset: 0;
+  z-index: 0;
+  width: 100%;
+  height: 100%;
+  pointer-events: none;
+}
+
 .login-panel {
+  position: relative;
+  z-index: 1;
   box-sizing: border-box;
   max-width: 428px;
   min-width: 0;