diff --git a/app/pages/change-password.vue b/app/pages/change-password.vue
index 119e978..506d5e6 100644
--- a/app/pages/change-password.vue
+++ b/app/pages/change-password.vue
@@ -132,7 +132,7 @@ onMounted(async () => {
 <style scoped>
 .auth-layout {
   min-height: 100vh;
-  background: #0a0a0a;
+  background: var(--bg-primary, #ffffff);
   display: flex;
   align-items: center;
   justify-content: center;
@@ -142,13 +142,14 @@ onMounted(async () => {
 .auth-container {
   width: 100%;
   max-width: 1200px;
-  background: #111111;
+  background: var(--surface-primary, var(--bg-primary, #ffffff));
   border-radius: 24px;
-  border: 1px solid #1f1f1f;
+  border: 1px solid var(--border-primary, #e5e7eb);
   overflow: hidden;
   display: grid;
   grid-template-columns: 1fr 1fr;
   min-height: 600px;
+  box-shadow: 0 10px 40px -10px rgba(15, 23, 42, 0.1);
 }
 
 .info-section {
@@ -266,7 +267,7 @@ onMounted(async () => {
   display: flex;
   align-items: center;
   justify-content: center;
-  background: #111111;
+  background: var(--surface-primary, var(--bg-primary, #ffffff));
 }
 
 .form-container {
@@ -285,13 +286,13 @@ onMounted(async () => {
 .form-header h2 {
   font-size: 28px;
   font-weight: 700;
-  color: #ffffff;
+  color: var(--text-primary, #1a2332);
   margin: 0 0 8px 0;
 }
 
 .form-header p {
   font-size: 16px;
-  color: #888888;
+  color: var(--text-secondary, #4a5568);
   margin: 0;
 }
 
@@ -305,10 +306,10 @@ onMounted(async () => {
   align-items: center;
   gap: 8px;
   padding: 12px 20px;
-  background: #1a1a1a;
-  border: 1px solid #2a2a2a;
+  background: var(--surface-secondary, var(--bg-secondary, #f7fafc));
+  border: 1px solid var(--border-primary, #e5e7eb);
   border-radius: 8px;
-  color: #cccccc;
+  color: var(--text-secondary, #4a5568);
   text-decoration: none;
   font-size: 14px;
   font-weight: 500;
@@ -316,9 +317,9 @@ onMounted(async () => {
 }
 
 .back-link:hover {
-  background: #2a2a2a;
-  color: #ffffff;
-  border-color: #3a3a3a;
+  background: var(--surface-tertiary, var(--bg-tertiary, #edf2f7));
+  color: var(--text-primary, #1a2332);
+  border-color: var(--border-secondary, #cbd5e1);
 }
 
 .back-link svg {
diff --git a/app/pages/dashboard.vue b/app/pages/dashboard.vue
index 95ab7b8..fe6abeb 100644
--- a/app/pages/dashboard.vue
+++ b/app/pages/dashboard.vue
@@ -548,8 +548,8 @@ onUnmounted(() => {
 .admin-layout {
   display: flex;
   min-height: 100vh;
-  background: #0a0a0a;
-  color: #ffffff;
+  background: var(--bg-primary, #ffffff);
+  color: var(--text-primary, #1a2332);
   position: relative;
 }
 
@@ -561,11 +561,11 @@ onUnmounted(() => {
   background: transparent;
 }
 .custom-scrollbar::-webkit-scrollbar-thumb {
-  background: #27272a;
+  background: var(--border-primary, #cbd5e1);
   border-radius: 10px;
 }
 .custom-scrollbar::-webkit-scrollbar-thumb:hover {
-  background: #3f3f46;
+  background: var(--border-secondary, #94a3b8);
 }
 
 @media (max-width: 768px) {
diff --git a/app/pages/index.vue b/app/pages/index.vue
index 9699dc7..8d450c0 100644
--- a/app/pages/index.vue
+++ b/app/pages/index.vue
@@ -1912,7 +1912,7 @@ if (
   background-color: var(--error, #ef4444);
   color: #ffffff;
   font-size: 10px;
-  font-weight: bold;
+  font-weight: 700;
   display: flex;
   align-items: center;
   justify-content: center;
@@ -3179,10 +3179,10 @@ if (
 
 /* 弹窗内容 */
 .modal-content {
-  background: linear-gradient(135deg, #1a1b24 0%, #121318 100%);
+  background: var(--surface-primary, var(--bg-primary, #ffffff));
   border-radius: 20px;
-  border: 1px solid rgba(255, 255, 255, 0.1);
-  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
+  border: 1px solid var(--border-primary, #e5e7eb);
+  box-shadow: var(--shadow-card, 0 25px 50px -12px rgba(0, 0, 0, 0.12));
   max-width: 420px;
   width: 90%;
   overflow: hidden;
@@ -3206,7 +3206,7 @@ if (
   justify-content: space-between;
   align-items: center;
   padding: 24px 28px 16px;
-  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
+  border-bottom: 1px solid var(--border-secondary, #f1f5f9);
 }
 
 .modal-header h2 {
@@ -3217,7 +3217,7 @@ if (
     sans-serif;
   font-size: 20px;
   font-weight: 700;
-  color: #ffffff;
+  color: var(--text-primary, #1a2332);
   margin: 0;
   letter-spacing: 0.02em;
 }
@@ -3227,9 +3227,9 @@ if (
   width: 32px;
   height: 32px;
   border-radius: 50%;
-  background: rgba(255, 255, 255, 0.08);
+  background: var(--surface-tertiary, var(--bg-tertiary, #f1f5f9));
   border: none;
-  color: rgba(255, 255, 255, 0.6);
+  color: var(--text-tertiary, #64748b);
   font-size: 24px;
   line-height: 1;
   cursor: pointer;
@@ -3240,8 +3240,8 @@ if (
 }
 
 .close-button:hover {
-  background: rgba(255, 255, 255, 0.15);
-  color: #ffffff;
+  background: var(--border-secondary, #e2e8f0);
+  color: var(--text-primary, #1a2332);
   transform: rotate(90deg);
 }
 
@@ -3268,24 +3268,24 @@ if (
   gap: 0.5rem;
   font-size: 16px;
   font-weight: 700;
-  color: #ffffff;
+  color: var(--text-primary, #1a2332);
   margin: 0;
 }
 
 .rules-icon {
-  color: #3b82f6;
+  color: var(--primary, #0b5afe);
 }
 
 .rules-text {
   font-size: 14px;
-  color: rgba(255, 255, 255, 0.6);
+  color: var(--text-secondary, #4a5568);
   line-height: 1.6;
   margin: 0;
 }
 
 .guidelines-content {
   font-size: 14px;
-  color: rgba(255, 255, 255, 0.6);
+  color: var(--text-secondary, #4a5568);
   line-height: 1.6;
 }
 
@@ -3298,31 +3298,31 @@ if (
 .rule-item {
   display: flex;
   font-size: 14px;
-  color: rgba(255, 255, 255, 0.6);
+  color: var(--text-secondary, #4a5568);
   line-height: 1.5;
 }
 
 .rule-item span {
   margin-right: 0.5rem;
-  color: rgba(255, 255, 255, 0.3);
+  color: var(--text-disabled, #94a3b8);
   font-weight: 600;
 }
 
 /* 年度报告弹窗 */
 .year-review-overlay {
   backdrop-filter: blur(8px);
-  background: rgba(0, 0, 0, 0.4);
+  background: rgba(15, 23, 42, 0.35);
 }
 
 .year-review-card {
   position: relative;
   width: 90%;
   max-width: 400px;
-  background: #12121a;
+  background: var(--surface-primary, var(--bg-primary, #ffffff));
   border-radius: 32px;
   overflow: hidden;
-  border: 1px solid rgba(255, 255, 255, 0.1);
-  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
+  border: 1px solid var(--border-primary, #e5e7eb);
+  box-shadow: var(--shadow-card, 0 25px 50px -12px rgba(0, 0, 0, 0.12));
   animation: card-appear 0.6s cubic-bezier(0.16, 1, 0.3, 1);
 }
 
@@ -3339,7 +3339,7 @@ if (
 .card-pattern {
   position: absolute;
   inset: 0;
-  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
+  background-image: radial-gradient(rgba(15, 23, 42, 0.06) 1px, transparent 1px);
   background-size: 20px 20px;
   opacity: 0.5;
 }
@@ -3351,9 +3351,9 @@ if (
   width: 36px;
   height: 36px;
   border-radius: 12px;
-  background: rgba(255, 255, 255, 0.05);
-  border: 1px solid rgba(255, 255, 255, 0.1);
-  color: rgba(255, 255, 255, 0.4);
+  background: var(--surface-tertiary, var(--bg-tertiary, #f1f5f9));
+  border: 1px solid var(--border-secondary, #f1f5f9);
+  color: var(--text-tertiary, #64748b);
   display: flex;
   align-items: center;
   justify-content: center;
@@ -3363,8 +3363,8 @@ if (
 }
 
 .card-close:hover {
-  background: rgba(255, 255, 255, 0.1);
-  color: #fff;
+  background: var(--border-secondary, #e2e8f0);
+  color: var(--text-primary, #1a2332);
   transform: translateY(2px);
 }
 
@@ -3379,9 +3379,9 @@ if (
   display: inline-block;
   padding: 4px 12px;
   background: rgba(139, 92, 246, 0.1);
-  border: 1px solid rgba(139, 92, 246, 0.2);
+  border: 1px solid rgba(139, 92, 246, 0.25);
   border-radius: 99px;
-  color: #a78bfa;
+  color: #7c3aed;
   font-size: 12px;
   font-weight: 700;
   letter-spacing: 0.1em;
@@ -3405,8 +3405,8 @@ if (
   display: flex;
   align-items: center;
   justify-content: center;
-  color: #fff;
-  box-shadow: 0 10px 25px -5px rgba(139, 92, 246, 0.5);
+  color: #ffffff;
+  box-shadow: 0 10px 25px -5px rgba(139, 92, 246, 0.35);
   z-index: 2;
   transform: rotate(-5deg);
 }
@@ -3461,14 +3461,14 @@ if (
 .card-title {
   font-size: 24px;
   font-weight: 800;
-  color: #fff;
+  color: var(--text-primary, #1a2332);
   margin-bottom: 12px;
   letter-spacing: -0.01em;
 }
 
 .card-description {
   font-size: 15px;
-  color: rgba(255, 255, 255, 0.5);
+  color: var(--text-secondary, #4a5568);
   line-height: 1.6;
   margin-bottom: 32px;
 }
@@ -3482,10 +3482,10 @@ if (
 .btn-primary {
   width: 100%;
   padding: 16px;
-  background: #fff;
+  background: var(--primary, #0b5afe);
   border: none;
   border-radius: 16px;
-  color: #000;
+  color: #ffffff;
   font-size: 16px;
   font-weight: 700;
   display: flex;
@@ -3498,8 +3498,8 @@ if (
 
 .btn-primary:hover {
   transform: translateY(-2px);
-  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
-  background: #f4f4f4;
+  box-shadow: 0 10px 20px rgba(11, 90, 254, 0.2);
+  background: var(--primary-hover, #0043f8);
 }
 
 .btn-primary:active {
@@ -3510,9 +3510,9 @@ if (
   width: 100%;
   padding: 14px;
   background: transparent;
-  border: 1px solid rgba(255, 255, 255, 0.1);
+  border: 1px solid var(--border-primary, #e5e7eb);
   border-radius: 16px;
-  color: rgba(255, 255, 255, 0.6);
+  color: var(--text-secondary, #4a5568);
   font-size: 14px;
   font-weight: 600;
   cursor: pointer;
@@ -3520,9 +3520,9 @@ if (
 }
 
 .btn-secondary:hover {
-  background: rgba(255, 255, 255, 0.05);
-  color: #fff;
-  border-color: rgba(255, 255, 255, 0.2);
+  background: var(--surface-tertiary, var(--bg-tertiary, #f1f5f9));
+  color: var(--text-primary, #1a2332);
+  border-color: var(--border-secondary, #d1d5db);
 }
 
 @keyframes card-appear {
@@ -3564,7 +3564,7 @@ if (
 .ripple-effect {
   position: absolute;
   border-radius: 50%;
-  background-color: rgba(255, 255, 255, 0.3);
+  background-color: rgba(11, 90, 254, 0.25);
   transform: scale(0);
   animation: ripple 0.6s linear;
   pointer-events: none;
@@ -3640,32 +3640,33 @@ if (
   text-align: center;
   max-width: 400px;
   padding: 30px;
-  background-color: rgba(30, 41, 59, 0.5);
+  background-color: var(--surface-secondary, var(--bg-secondary, #f7fafc));
   border-radius: 12px;
-  border: 1px solid rgba(255, 255, 255, 0.1);
-  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
+  border: 1px solid var(--border-primary, #e5e7eb);
+  box-shadow: var(--shadow-card, 0 5px 20px rgba(0, 0, 0, 0.08));
 }
 
 .login-icon {
   font-size: 3rem;
   margin-bottom: 15px;
+  color: var(--primary, #0b5afe);
 }
 
 .login-required-content h3 {
   font-size: 1.5rem;
   margin-bottom: 10px;
-  color: var(--light);
+  color: var(--text-primary, #1a2332);
 }
 
 .login-required-content p {
   margin-bottom: 20px;
-  color: rgba(255, 255, 255, 0.7);
+  color: var(--text-secondary, #4a5568);
 }
 
 .login-button {
   background: linear-gradient(180deg, #0043f8 0%, #0075f8 100%);
   border: none;
-  color: white;
+  color: #ffffff;
   padding: 10px 20px;
   border-radius: 6px;
   font-weight: 600;