diff --git a/biji-qianduan/src/assets/styles/global.css b/biji-qianduan/src/assets/styles/global.css
index 5277f59..a64d0fc 100644
--- a/biji-qianduan/src/assets/styles/global.css
+++ b/biji-qianduan/src/assets/styles/global.css
@@ -7,9 +7,10 @@ body {
   font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
   -webkit-font-smoothing: antialiased;
   -moz-osx-font-smoothing: grayscale;
-  background-color: var(--bg-color);
+  background: var(--bg-gradient);
   color: var(--text-color);
-  transition: background-color var(--transition-duration), color var(--transition-duration);
+  transition: background var(--transition-duration), color var(--transition-duration);
+  background-attachment: fixed;
 }
 
 /* 滚动条美化 */
diff --git a/biji-qianduan/src/assets/styles/theme.css b/biji-qianduan/src/assets/styles/theme.css
index df4b1ed..31ef241 100644
--- a/biji-qianduan/src/assets/styles/theme.css
+++ b/biji-qianduan/src/assets/styles/theme.css
@@ -2,46 +2,66 @@
 
 /* 默认浅色主题 */
 :root {
+  /* 主色调 - 活力紫 */
+  --primary-color: #6a11cb;
+  --primary-color-light: #f3e5f5; /* 浅紫色，用于悬停 */
+  --primary-color-dark: #4a008f; /* 深紫色，用于激活 */
+
+  /* 辅助色 */
+  --secondary-color: #f7fafc;
+  --accent-color: #2575fc; /* 亮蓝色，用于强调 */
+  --danger-color: #f5365c;
+  --success-color: #2dce89;
+  --warning-color: #fb6340;
+
+  /* 背景色 - 带有色彩倾向的渐变 */
   --bg-color: #ffffff;
-  --bg-color-secondary: #f7f8fa;
-  --bg-color-tertiary: #eff2f5;
-  --text-color: #303133;
-  --text-color-secondary: #606266;
-  --text-color-placeholder: #a8abb2;
-  --border-color: #dcdfe6;
-  --border-color-light: #e4e7ed;
-  --primary-color: #409eff;
-  --primary-color-light: #ecf5ff;
-  --danger-color: #f56c6c;
-  --success-color: #67c23a;
-  --warning-color: #e6a23c;
-  --info-color: #909399;
+  --bg-color-secondary: #f8f9fe;
+  --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
 
-  --box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.1);
-  --box-shadow-light: 0 2px 4px rgba(0, 0, 0, 0.08);
-  --box-shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.15);
+  /* 文本色 */
+  --text-color: #32325d; /* 深蓝灰色 */
+  --text-color-secondary: #6b7c93; /* 灰蓝色 */
+  --text-color-placeholder: #adb5bd;
 
-  --transition-duration: 0.3s;
+  /* 边框和阴影 */
+  --border-color: #e9ecef;
+  --border-radius: 8px;
+  --box-shadow: 0 4px 6px rgba(50, 50, 93, 0.11), 0 1px 3px rgba(0, 0, 0, 0.08);
+  --box-shadow-light: 0 2px 4px rgba(50, 50, 93, 0.1);
+  --box-shadow-dark: 0 7px 14px rgba(50, 50, 93, 0.1), 0 3px 6px rgba(0, 0, 0, 0.08);
+
+  /* 过渡 */
+  --transition-duration: 0.25s;
 }
 
 /* 深色主题 */
 .dark-theme {
-  --bg-color: #141414;
-  --bg-color-secondary: #1a1a1a;
-  --bg-color-tertiary: #222222;
-  --text-color: #e5e5e5;
-  --text-color-secondary: #a3a3a3;
-  --text-color-placeholder: #5c5c5c;
-  --border-color: #3a3a3a;
-  --border-color-light: #2a2a2a;
-  --primary-color: #409eff;
-  --primary-color-light: #26334f;
-  --danger-color: #f56c6c;
-  --success-color: #67c23a;
-  --warning-color: #e6a23c;
-  --info-color: #909399;
+  /* 主色调 - 科技蓝 */
+  --primary-color: #007bff;
+  --primary-color-light: #1f2937;
+  --primary-color-dark: #0056b3;
 
-  --box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.3);
-  --box-shadow-light: 0 2px 4px rgba(0, 0, 0, 0.25);
-  --box-shadow-dark: 0 4px 16px rgba(0, 0, 0, 0.4);
+  /* 辅助色 */
+  --secondary-color: #111827;
+  --accent-color: #10b981; /* 亮绿色 */
+  --danger-color: #ef4444;
+  --success-color: #22c55e;
+  --warning-color: #f97316;
+
+  /* 背景色 - 深邃的渐变 */
+  --bg-color: #0d1117;
+  --bg-color-secondary: #1f2937;
+  --bg-gradient: linear-gradient(135deg, #0d1117 0%, #1f2937 100%);
+
+  /* 文本色 */
+  --text-color: #e5e7eb;
+  --text-color-secondary: #9ca3af;
+  --text-color-placeholder: #4b5563;
+
+  /* 边框和阴影 */
+  --border-color: #374151;
+  --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.15);
+  --box-shadow-light: 0 2px 4px rgba(0, 0, 0, 0.18);
+  --box-shadow-dark: 0 7px 14px rgba(0, 0, 0, 0.2), 0 3px 6px rgba(0, 0, 0, 0.15);
 }
\ No newline at end of file
diff --git a/biji-qianduan/src/components/HomePage.vue b/biji-qianduan/src/components/HomePage.vue
index 9465c02..29985ed 100644
--- a/biji-qianduan/src/components/HomePage.vue
+++ b/biji-qianduan/src/components/HomePage.vue
@@ -71,7 +71,7 @@
 
         <div v-else>
           <el-header class="header">
-            <h1 @click="resetToHomeView" style="cursor: pointer;">我的笔记</h1>
+            <h1 @click="resetToHomeView" style="cursor: pointer; flex-grow: 1;">我的笔记</h1>
             <div class="actions">
               <el-input
                 v-model="searchKeyword"
@@ -85,25 +85,24 @@
                   </el-button>
                 </template>
               </el-input>
-              <div v-if="userStore.isLoggedIn">
-                <span>欢迎, {{ userStore.userInfo?.username }}</span>
+              <div v-if="userStore.isLoggedIn" class="user-actions">
+                <span class="welcome-text">欢迎, {{ userStore.userInfo?.username }}</span>
                 <el-button type="danger" @click="handleLogout">退出</el-button>
+                <el-button type="primary" @click="showCreateNoteDialog = true">新建笔记</el-button>
+                <el-upload
+                  class="upload-btn"
+                  action=""
+                  :show-file-list="false"
+                  :before-upload="handleMarkdownUpload"
+                  accept=".md"
+                >
+                  <el-button type="success">上传Markdown</el-button>
+                </el-upload>
               </div>
-              <div v-else>
+              <div v-else class="guest-actions">
                 <el-button type="primary" @click="goToLogin">登录</el-button>
                 <el-button @click="goToRegister">注册</el-button>
               </div>
-              <el-button v-if="userStore.isLoggedIn" type="primary" @click="showCreateNoteDialog = true">新建笔记</el-button>
-              <el-upload
-                  v-if="userStore.isLoggedIn"
-                class="upload-btn"
-                action=""
-                :show-file-list="false"
-                :before-upload="handleMarkdownUpload"
-                accept=".md"
-              >
-                <el-button type="success">上传Markdown</el-button>
-              </el-upload>
             </div>
           </el-header>
 
@@ -1009,43 +1008,66 @@ watch(activeMenu, (newVal) => {
 </style>
 
 <style scoped>
+/* 整体布局 */
 .home-page {
   height: 100vh;
   overflow: hidden;
+  background: var(--bg-gradient);
+  background-attachment: fixed;
 }
 
+/* 侧边栏 */
 .sidebar {
-  border-right: 1px solid var(--border-color);
-  transition: width 0.3s ease;
-  background-color: var(--bg-color);
+  background-color: rgba(255, 255, 255, 0.8);
+  backdrop-filter: blur(10px);
+  border-right: 1px solid rgba(0, 0, 0, 0.05);
+  transition: width var(--transition-duration) ease;
   display: flex;
   flex-direction: column;
-  overflow-x: hidden;
+}
+
+.dark-theme .sidebar {
+  background-color: rgba(23, 23, 39, 0.8);
+  border-right: 1px solid rgba(255, 255, 255, 0.1);
 }
 
 .sidebar-header {
-  padding: 15px;
   display: flex;
   align-items: center;
   justify-content: space-between;
-  border-bottom: 1px solid var(--border-color-light);
+  padding: 1rem;
   flex-shrink: 0;
 }
 
-.el-menu-vertical-demo {
+.el-menu {
   border-right: none;
+  background: transparent;
   flex-grow: 1;
   overflow-y: auto;
   overflow-x: hidden;
 }
 
 .el-menu-vertical-demo:not(.el-menu--collapse) {
-  width: 100%;
+  width: 250px;
 }
 
-:deep(.el-menu-item),
-:deep(.el-sub-menu__title) {
-  width: 100%;
+:deep(.el-menu-item), :deep(.el-sub-menu__title) {
+  height: 48px;
+  line-height: 48px;
+  border-radius: var(--border-radius);
+  margin: 0.25rem 0.5rem;
+  color: var(--text-color-secondary);
+}
+
+:deep(.el-menu-item.is-active) {
+  background-color: var(--primary-color);
+  color: #fff;
+  font-weight: 600;
+}
+
+:deep(.el-menu-item:hover), :deep(.el-sub-menu__title:hover) {
+  background-color: var(--primary-color-light);
+  color: var(--primary-color);
 }
 
 .menu-item-title {
@@ -1089,20 +1111,27 @@ watch(activeMenu, (newVal) => {
 }
 
 .content {
-  padding: 0;
-  background-color: var(--bg-color-secondary);
+  padding: 1.5rem;
+  background-color: transparent;
   height: 100vh;
-  display: flex;
-  flex-direction: column;
+  overflow-y: auto;
 }
 
 .header, .preview-header {
   display: flex;
   justify-content: space-between;
   align-items: center;
-  padding: 15px 20px;
-  background-color: var(--bg-color);
-  border-bottom: 1px solid var(--border-color);
+  margin-bottom: 1.5rem;
+  padding: 1rem;
+  background-color: rgba(255, 255, 255, 0.8);
+  backdrop-filter: blur(10px);
+  border-radius: var(--border-radius);
+  box-shadow: var(--box-shadow-light);
+  gap: 1rem; /* Add gap between header items */
+}
+
+.dark-theme .header, .dark-theme .preview-header {
+  background-color: rgba(30, 30, 47, 0.8);
 }
 
 .preview-title {
@@ -1125,38 +1154,57 @@ watch(activeMenu, (newVal) => {
   align-items: center;
 }
 
-.search-input {
-  width: 250px;
+:deep(.search-input .el-input__wrapper) {
+  border-radius: var(--border-radius) !important;
+}
+
+.user-actions, .guest-actions {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
+
+.welcome-text {
+  white-space: nowrap;
+  color: var(--text-color-secondary);
 }
 
 .file-list {
-  padding: 20px;
-  flex-grow: 1;
-  overflow-y: auto;
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
+  gap: 1.5rem;
 }
 
 .file-item {
-  margin-bottom: 15px;
   cursor: pointer;
-  transition: all 0.2s ease;
+  border-radius: var(--border-radius);
+  border: 1px solid transparent;
+  transition: all var(--transition-duration) ease;
+  background-color: rgba(255, 255, 255, 0.8);
+}
+
+.dark-theme .file-item {
+  background-color: rgba(30, 30, 47, 0.8);
 }
 
 .file-item:hover {
-  transform: translateY(-2px);
-  box-shadow: var(--box-shadow-light);
+  transform: translateY(-4px);
+  box-shadow: var(--box-shadow);
+  border-color: var(--primary-color);
 }
 
 .file-title {
   display: flex;
   justify-content: space-between;
   align-items: center;
+  padding: 1rem;
 }
 
 .file-group-name {
-  font-size: 0.8em;
+  font-size: 0.75rem;
   color: var(--text-color-secondary);
-  background-color: var(--bg-color-mute);
-  padding: 2px 6px;
+  background-color: var(--bg-color-secondary);
+  padding: 0.2rem 0.5rem;
   border-radius: 4px;
 }
 
@@ -1167,10 +1215,17 @@ watch(activeMenu, (newVal) => {
 }
 
 .markdown-preview {
-  padding: 20px;
   flex-grow: 1;
   overflow-y: auto;
-  background-color: var(--bg-color);
+  padding: 2rem;
+  background-color: rgba(255, 255, 255, 0.8);
+  backdrop-filter: blur(10px);
+  border-radius: var(--border-radius);
+  box-shadow: var(--box-shadow-light);
+}
+
+.dark-theme .markdown-preview {
+  background-color: rgba(30, 30, 47, 0.8);
 }
 
 .vditor {
@@ -1185,6 +1240,41 @@ watch(activeMenu, (newVal) => {
 
 .upload-btn {
   display: inline-block;
-  margin-left: 10px;
+  /* margin-left is no longer needed due to gap in parent */
 }
 </style>
+
+/* 对话框样式 */
+:deep(.el-dialog) {
+  border-radius: var(--border-radius);
+  background-color: var(--bg-color-secondary);
+}
+
+:deep(.el-dialog__header) {
+  border-bottom: 1px solid var(--border-color);
+  padding: 1.5rem;
+}
+
+:deep(.el-dialog__title) {
+  font-size: 1.25rem;
+  font-weight: 600;
+  color: var(--text-color);
+}
+
+:deep(.el-dialog__body) {
+  padding: 1.5rem;
+}
+
+:deep(.el-dialog__footer) {
+  padding: 1.5rem;
+  border-top: 1px solid var(--border-color);
+}
+
+.welcome-text {
+  white-space: nowrap;
+}
+.user-actions, .guest-actions {
+  display: flex;
+  align-items: center;
+  gap: 10px;
+}
diff --git a/biji-qianduan/src/components/LoginPage.vue b/biji-qianduan/src/components/LoginPage.vue
index 8bc0e97..a90ac53 100644
--- a/biji-qianduan/src/components/LoginPage.vue
+++ b/biji-qianduan/src/components/LoginPage.vue
@@ -1,25 +1,36 @@
 <template>
   <div class="login-container">
-    <el-card class="login-card">
-      <template #header>
-        <div class="card-header">
-          <span>登录</span>
-        </div>
-      </template>
-      <el-form ref="loginFormRef" :model="loginForm" :rules="loginRules" label-width="80px">
+    <div class="login-card">
+      <div class="card-header">
+        <h2>欢迎回来</h2>
+        <p>使用您的凭据继续</p>
+      </div>
+      <el-form ref="loginFormRef" :model="loginForm" :rules="loginRules" label-position="top">
         <el-form-item label="用户名" prop="username">
-          <el-input v-model="loginForm.username" placeholder="请输入用户名"></el-input>
+          <el-input v-model="loginForm.username" placeholder="请输入您的用户名" size="large">
+            <template #prefix>
+              <el-icon><User /></el-icon>
+            </template>
+          </el-input>
         </el-form-item>
         <el-form-item label="密码" prop="password">
-          <el-input v-model="loginForm.password" type="password" placeholder="请输入密码" show-password></el-input>
+          <el-input v-model="loginForm.password" type="password" placeholder="请输入您的密码" show-password size="large">
+            <template #prefix>
+              <el-icon><Lock /></el-icon>
+            </template>
+          </el-input>
         </el-form-item>
         <el-form-item>
-          <el-button type="primary" @click="handleLogin">登录</el-button>
-          <el-button @click="goToRegister">注册</el-button>
-          <el-button @click="goToHome">返回首页</el-button>
+          <div class="button-group">
+            <el-button type="primary" @click="handleLogin" class="login-button">安全登录</el-button>
+            <el-button @click="goToRegister" class="register-button">立即注册</el-button>
+          </div>
         </el-form-item>
       </el-form>
-    </el-card>
+      <div class="card-footer">
+        <el-link @click="goToHome">返回首页</el-link>
+      </div>
+    </div>
   </div>
 </template>
 
@@ -28,6 +39,7 @@ import { ref } from 'vue';
 import { useRouter } from 'vue-router';
 import { useUserStore } from '../stores/user';
 import { ElMessage } from 'element-plus';
+import { User, Lock } from '@element-plus/icons-vue';
 
 const router = useRouter();
 const userStore = useUserStore();
@@ -70,60 +82,128 @@ const goToHome = () => {
   display: flex;
   justify-content: center;
   align-items: center;
-  height: 100vh;
-  background-color: var(--bg-color-secondary);
-  background-image: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-color-secondary) 100%);
+  min-height: 100vh;
+  padding: 2rem;
+  background: var(--bg-gradient);
+  background-attachment: fixed;
 }
 
 .login-card {
-  width: 420px;
-  padding: 20px 30px;
-  border-radius: 12px;
-  background-color: var(--bg-color);
+  width: 100%;
+  max-width: 420px;
+  padding: 2.5rem 2rem;
+  border-radius: var(--border-radius);
+  background-color: rgba(255, 255, 255, 0.85);
+  backdrop-filter: blur(10px);
   box-shadow: var(--box-shadow-dark);
-  border: 1px solid var(--border-color);
-  animation: slideInDown 0.5s ease-out;
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  animation: fadeIn 0.5s ease-out;
   overflow: hidden;
 }
 
+.dark-theme .login-card {
+  background-color: rgba(23, 23, 39, 0.85);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
 .card-header {
   text-align: center;
-  font-size: 24px;
+  margin-bottom: 2.5rem;
+}
+
+.card-header h2 {
+  margin: 0 0 0.5rem 0;
+  font-size: 1.75rem;
   font-weight: 600;
   color: var(--text-color);
-  padding-bottom: 20px;
-  margin-bottom: 20px;
-  border-bottom: 1px solid var(--border-color-light);
+}
+
+.card-header p {
+  margin: 0;
+  color: var(--text-color-secondary);
 }
 
 .el-form-item {
-  margin-bottom: 25px;
+  margin-bottom: 1.5rem;
 }
 
-.el-button {
+:deep(.el-form-item__label) {
+  color: var(--text-color-secondary);
+  line-height: 1.5;
+  margin-bottom: 0.5rem;
+}
+
+:deep(.el-input__wrapper) {
+  border-radius: var(--border-radius);
+  background-color: var(--bg-color-secondary);
+  box-shadow: none;
+  transition: all var(--transition-duration) ease;
+  border: 1px solid var(--border-color);
+}
+
+:deep(.el-input__wrapper.is-focus) {
+  border-color: var(--primary-color);
+  box-shadow: 0 0 0 2px rgba(var(--primary-color), 0.2);
+}
+
+.button-group {
+  display: flex;
   width: 100%;
+  gap: 1rem;
+}
+
+.login-button, .register-button {
+  flex: 1;
+  height: 44px;
+  border-radius: var(--border-radius);
+  font-size: 1rem;
+  font-weight: 600;
+  border: none;
   transition: all var(--transition-duration) ease;
 }
 
-.el-button--primary {
-    height: 40px;
+.login-button {
+  background-color: var(--primary-color);
 }
 
-.el-button--primary:hover {
+.register-button {
+  background-color: var(--secondary-color);
+  color: var(--text-color);
+  border: 1px solid var(--border-color);
+}
+
+.login-button:hover, .register-button:hover {
   transform: translateY(-2px);
-  box-shadow: 0 4px 10px rgba(64, 158, 255, 0.4);
+  box-shadow: var(--box-shadow);
 }
 
-.el-button:last-child {
-  margin-left: 0;
-  margin-top: 10px;
-  color: var(--text-color-secondary);
-  border: none;
-  background: none;
+.login-button:hover {
+  background-color: var(--primary-color-dark);
 }
 
-.el-button:last-child:hover {
+.register-button:hover {
+  background-color: var(--border-color);
+}
+
+.card-footer {
+  margin-top: 2rem;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  gap: 1rem;
+  font-size: 0.875rem;
+}
+
+.link-highlight {
+  color: var(--primary-color);
+  font-weight: 600;
+}
+
+:deep(.el-link) {
+  color: var(--text-color-secondary);
+}
+
+:deep(.el-link:hover) {
   color: var(--primary-color);
-  background-color: var(--primary-color-light);
 }
 </style>
\ No newline at end of file
diff --git a/biji-qianduan/src/components/RegisterPage.vue b/biji-qianduan/src/components/RegisterPage.vue
index fc5612c..e8461fb 100644
--- a/biji-qianduan/src/components/RegisterPage.vue
+++ b/biji-qianduan/src/components/RegisterPage.vue
@@ -1,28 +1,43 @@
 <template>
   <div class="register-container">
-    <el-card class="register-card">
-      <template #header>
-        <div class="card-header">
-          <span>注册</span>
-        </div>
-      </template>
-      <el-form ref="registerFormRef" :model="registerForm" :rules="registerRules" label-width="80px">
+    <div class="register-card">
+      <div class="card-header">
+        <h2>创建您的账户</h2>
+        <p>加入我们，开启您的旅程</p>
+      </div>
+      <el-form ref="registerFormRef" :model="registerForm" :rules="registerRules" label-position="top">
         <el-form-item label="用户名" prop="username">
-          <el-input v-model="registerForm.username" placeholder="请输入用户名"></el-input>
+          <el-input v-model="registerForm.username" placeholder="设置一个独特的用户名" size="large">
+            <template #prefix>
+              <el-icon><User /></el-icon>
+            </template>
+          </el-input>
         </el-form-item>
         <el-form-item label="密码" prop="password">
-          <el-input v-model="registerForm.password" type="password" placeholder="请输入密码" show-password></el-input>
+          <el-input v-model="registerForm.password" type="password" placeholder="创建一个安全的密码" show-password size="large">
+            <template #prefix>
+              <el-icon><Lock /></el-icon>
+            </template>
+          </el-input>
         </el-form-item>
         <el-form-item label="确认密码" prop="confirmPassword">
-          <el-input v-model="registerForm.confirmPassword" type="password" placeholder="请再次输入密码" show-password></el-input>
+          <el-input v-model="registerForm.confirmPassword" type="password" placeholder="请再次输入密码" show-password size="large">
+            <template #prefix>
+              <el-icon><CircleCheck /></el-icon>
+            </template>
+          </el-input>
         </el-form-item>
         <el-form-item>
-          <el-button type="primary" @click="handleRegister">注册</el-button>
-          <el-button @click="goToLogin">返回登录</el-button>
-          <el-button @click="goToHome">返回首页</el-button>
+          <div class="button-group">
+            <el-button type="primary" @click="handleRegister" class="register-button">立即注册</el-button>
+            <el-button @click="goToLogin" class="login-button">返回登录</el-button>
+          </div>
         </el-form-item>
       </el-form>
-    </el-card>
+      <div class="card-footer">
+        <el-link @click="goToHome">返回首页</el-link>
+      </div>
+    </div>
   </div>
 </template>
 
@@ -31,6 +46,7 @@ import { ref } from 'vue';
 import { useRouter } from 'vue-router';
 import { register } from '../api/CommonApi';
 import { ElMessage } from 'element-plus';
+import { User, Lock, CircleCheck } from '@element-plus/icons-vue';
 
 const router = useRouter();
 const registerFormRef = ref(null);
@@ -84,60 +100,128 @@ const goToHome = () => {
   display: flex;
   justify-content: center;
   align-items: center;
-  height: 100vh;
-  background-color: var(--bg-color-secondary);
-  background-image: linear-gradient(135deg, var(--bg-color) 0%, var(--bg-color-secondary) 100%);
+  min-height: 100vh;
+  padding: 2rem;
+  background: var(--bg-gradient);
+  background-attachment: fixed;
 }
 
 .register-card {
-  width: 420px;
-  padding: 20px 30px;
-  border-radius: 12px;
-  background-color: var(--bg-color);
+  width: 100%;
+  max-width: 420px;
+  padding: 2.5rem 2rem;
+  border-radius: var(--border-radius);
+  background-color: rgba(255, 255, 255, 0.85);
+  backdrop-filter: blur(10px);
   box-shadow: var(--box-shadow-dark);
-  border: 1px solid var(--border-color);
-  animation: slideInDown 0.5s ease-out;
+  border: 1px solid rgba(255, 255, 255, 0.2);
+  animation: fadeIn 0.5s ease-out;
   overflow: hidden;
 }
 
+.dark-theme .register-card {
+  background-color: rgba(23, 23, 39, 0.85);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
 .card-header {
   text-align: center;
-  font-size: 24px;
+  margin-bottom: 2.5rem;
+}
+
+.card-header h2 {
+  margin: 0 0 0.5rem 0;
+  font-size: 1.75rem;
   font-weight: 600;
   color: var(--text-color);
-  padding-bottom: 20px;
-  margin-bottom: 20px;
-  border-bottom: 1px solid var(--border-color-light);
+}
+
+.card-header p {
+  margin: 0;
+  color: var(--text-color-secondary);
 }
 
 .el-form-item {
-  margin-bottom: 25px;
+  margin-bottom: 1.5rem;
 }
 
-.el-button {
+:deep(.el-form-item__label) {
+  color: var(--text-color-secondary);
+  line-height: 1.5;
+  margin-bottom: 0.5rem;
+}
+
+:deep(.el-input__wrapper) {
+  border-radius: var(--border-radius);
+  background-color: var(--bg-color-secondary);
+  box-shadow: none;
+  transition: all var(--transition-duration) ease;
+  border: 1px solid var(--border-color);
+}
+
+:deep(.el-input__wrapper.is-focus) {
+  border-color: var(--primary-color);
+  box-shadow: 0 0 0 2px rgba(var(--primary-color), 0.2);
+}
+
+.button-group {
+  display: flex;
   width: 100%;
+  gap: 1rem;
+}
+
+.register-button, .login-button {
+  flex: 1;
+  height: 44px;
+  border-radius: var(--border-radius);
+  font-size: 1rem;
+  font-weight: 600;
+  border: none;
   transition: all var(--transition-duration) ease;
 }
 
-.el-button--primary {
-    height: 40px;
+.register-button {
+  background-color: var(--primary-color);
 }
 
-.el-button--primary:hover {
+.login-button {
+  background-color: var(--secondary-color);
+  color: var(--text-color);
+  border: 1px solid var(--border-color);
+}
+
+.register-button:hover, .login-button:hover {
   transform: translateY(-2px);
-  box-shadow: 0 4px 10px rgba(64, 158, 255, 0.4);
+  box-shadow: var(--box-shadow);
 }
 
-.el-button:last-child {
-  margin-left: 0;
-  margin-top: 10px;
-  color: var(--text-color-secondary);
-  border: none;
-  background: none;
+.register-button:hover {
+  background-color: var(--primary-color-dark);
 }
 
-.el-button:last-child:hover {
+.login-button:hover {
+  background-color: var(--border-color);
+}
+
+.card-footer {
+  margin-top: 2rem;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  gap: 1rem;
+  font-size: 0.875rem;
+}
+
+.link-highlight {
+  color: var(--primary-color);
+  font-weight: 600;
+}
+
+:deep(.el-link) {
+  color: var(--text-color-secondary);
+}
+
+:deep(.el-link:hover) {
   color: var(--primary-color);
-  background-color: var(--primary-color-light);
 }
 </style>
\ No newline at end of file