feat: 本次提交更新内容如下

替换微信图标

nkebao/src/pages/login/login.module.scss

@@ -1,6 +1,6 @@
 .login-page {
   min-height: 100vh;
-  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
+  background: var(--primary-gradient);
   display: flex;
   align-items: center;
   justify-content: center;
@@ -63,7 +63,7 @@
 .login-container {
   width: 100%;
   max-width: 420px;
-  background: rgba(255, 255, 255, 0.95);
+  background: #ffffff;
   backdrop-filter: blur(20px);
   border-radius: 24px;
   padding: 32px 24px;
@@ -89,20 +89,20 @@
 .logo-icon {
   width: 40px;
   height: 40px;
-  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
+  background: var(--primary-gradient);
   border-radius: 10px;
   display: flex;
   align-items: center;
   justify-content: center;
   color: white;
   font-size: 20px;
-  box-shadow: 0 6px 12px rgba(24, 144, 255, 0.3);
+  box-shadow: 0 6px 12px var(--primary-shadow);
 }
 
 .app-name {
   font-size: 24px;
   font-weight: 800;
-  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
+  background: var(--primary-gradient);
   -webkit-background-clip: text;
   -webkit-text-fill-color: transparent;
   background-clip: text;
@@ -150,26 +150,15 @@
   z-index: 2;
 
   &.active {
-    color: #1890ff;
+    color: var(--primary-color);
     font-weight: 600;
+    background: white;
+    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
   }
 }
 
 .tab-indicator {
-  position: absolute;
-  top: 3px;
-  left: 3px;
-  width: calc(50% - 3px);
-  height: calc(100% - 6px);
-  background: white;
-  border-radius: 7px;
-  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
-  transition: transform 0.3s ease;
-  z-index: 1;
-
-  &.slide {
-    transform: translateX(100%);
-  }
+  display: none; // 隐藏分割线指示器
 }
 
 // 表单样式
@@ -201,9 +190,9 @@
   transition: all 0.3s ease;
 
   &:focus-within {
-    border-color: #1890ff;
+    border-color: var(--primary-color);
     background: white;
-    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
+    box-shadow: 0 0 0 3px var(--primary-shadow-light);
   }
 }
 
@@ -241,14 +230,14 @@
   transition: color 0.3s ease;
 
   &:hover {
-    color: #1890ff;
+    color: var(--primary-color);
   }
 }
 
 .send-code-btn {
   padding: 6px 12px;
   margin-right: 6px;
-  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
+  background: var(--primary-gradient);
   color: white;
   border: none;
   border-radius: 6px;
@@ -259,7 +248,7 @@
 
   &:hover:not(.disabled) {
     transform: translateY(-1px);
-    box-shadow: 0 3px 8px rgba(24, 144, 255, 0.3);
+    box-shadow: 0 3px 8px var(--primary-shadow);
   }
 
   &.disabled {
@@ -305,7 +294,7 @@
 }
 
 .agreement-link {
-  color: #1890ff;
+  color: var(--primary-color);
   cursor: pointer;
   text-decoration: none;
   white-space: nowrap;
@@ -320,14 +309,14 @@
   font-size: 15px;
   font-weight: 600;
   border-radius: 10px;
-  background: linear-gradient(135deg, #1890ff 0%, #096dd9 100%);
+  background: var(--primary-gradient);
   border: none;
-  box-shadow: 0 6px 12px rgba(24, 144, 255, 0.3);
+  box-shadow: 0 6px 12px var(--primary-shadow);
   transition: all 0.3s ease;
 
   &:hover:not(:disabled) {
     transform: translateY(-1px);
-    box-shadow: 0 8px 16px rgba(24, 144, 255, 0.4);
+    box-shadow: 0 8px 16px var(--primary-shadow-dark);
   }
 
   &:disabled {

nkebao/src/styles/global.scss

@@ -1,5 +1,16 @@
 /* Reset & 基础样式，兼容移动端和PC端，补充 iOS/安卓容差处理 */
 
+/* 主题色变量定义 */
+:root {
+  --primary-color: #188eee;
+  --primary-color-light: #40a9ff;
+  --primary-color-dark: #096dd9;
+  --primary-gradient: linear-gradient(135deg, #188eee 0%, #096dd9 100%);
+  --primary-shadow: rgba(24, 142, 238, 0.3);
+  --primary-shadow-light: rgba(24, 142, 238, 0.1);
+  --primary-shadow-dark: rgba(24, 142, 238, 0.4);
+}
+
 /* 1. 通用 Reset */
 html, body, div, span, applet, object, iframe,
 h1, h2, h3, h4, h5, h6, p, blockquote, pre,