diff --git a/public/index.html b/public/index.html
index 930f714..34e0f5e 100644
--- a/public/index.html
+++ b/public/index.html
@@ -8,6 +8,42 @@
     <link rel="icon"
         href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🤖</text></svg>">
     <style>
+        /* === CSS Custom Properties === */
+        :root {
+            --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+            --primary-color: #6366f1;
+            --primary-dark: #4f46e5;
+            --primary-light: #818cf8;
+            --secondary-color: #8b5cf6;
+            --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
+            --success-color: #10b981;
+            --success-light: #d1fae5;
+            --warning-color: #f59e0b;
+            --warning-light: #fef3c7;
+            --danger-color: #ef4444;
+            --danger-light: #fee2e2;
+            --text-primary: #1e293b;
+            --text-secondary: #64748b;
+            --text-muted: #94a3b8;
+            --bg-primary: #f8fafc;
+            --bg-secondary: #f1f5f9;
+            --bg-card: rgba(255, 255, 255, 0.9);
+            --border-color: #e2e8f0;
+            --border-light: #f1f5f9;
+            --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
+            --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
+            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
+            --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
+            --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.15);
+            --radius-sm: 8px;
+            --radius-md: 12px;
+            --radius-lg: 16px;
+            --radius-xl: 24px;
+            --transition-fast: 0.15s ease;
+            --transition-normal: 0.25s ease;
+            --transition-slow: 0.4s ease;
+        }
+
         * {
             margin: 0;
             padding: 0;
@@ -15,251 +51,357 @@
         }
 
         body {
-            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
-            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
+            background: var(--primary-gradient);
+            background-attachment: fixed;
             min-height: 100vh;
-            padding: 20px;
+            padding: 24px;
+            line-height: 1.6;
         }
 
+        /* === Container === */
         .container {
-            max-width: 1200px;
+            max-width: 1280px;
             margin: 0 auto;
             background: white;
-            border-radius: 12px;
-            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
+            border-radius: var(--radius-xl);
+            box-shadow: var(--shadow-xl), var(--shadow-glow);
             overflow: hidden;
         }
 
+        /* === Header === */
         .header {
-            background: linear-gradient(135deg, #4c51bf 0%, #553c9a 100%);
+            background: var(--accent-gradient);
             color: white;
-            padding: 20px;
+            padding: 28px 32px;
             text-align: center;
             position: relative;
+            overflow: hidden;
+        }
+
+        .header::before {
+            content: '';
+            position: absolute;
+            top: 0;
+            left: 0;
+            right: 0;
+            bottom: 0;
+            background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
+            opacity: 0.5;
         }
 
         .header.compact {
-            padding: 15px 20px;
+            padding: 18px 24px;
         }
 
         .header h1 {
-            font-size: 1.8rem;
-            margin-bottom: 10px;
+            font-size: 2rem;
+            font-weight: 700;
+            margin-bottom: 8px;
+            position: relative;
+            letter-spacing: -0.025em;
         }
 
         .header.compact h1 {
-            font-size: 1.4rem;
-            margin-bottom: 5px;
+            font-size: 1.5rem;
+            margin-bottom: 4px;
         }
 
         .header p {
             margin-bottom: 0;
+            opacity: 0.9;
+            font-weight: 400;
+            position: relative;
         }
 
         .header.compact p {
-            font-size: 0.9rem;
+            font-size: 0.875rem;
         }
 
         .header-info {
             position: absolute;
-            top: 15px;
-            left: 20px;
-            font-size: 12px;
-            opacity: 0.8;
+            top: 18px;
+            left: 24px;
+            font-size: 13px;
+            opacity: 0.85;
+            z-index: 1;
         }
 
         .header-info a {
             color: white;
             text-decoration: none;
-            margin-right: 15px;
+            margin-right: 16px;
+            transition: opacity var(--transition-fast);
+            font-weight: 500;
         }
 
         .header-info a:hover {
-            text-decoration: underline;
+            opacity: 1;
+            text-decoration: none;
         }
 
+        .header-info span {
+            background: rgba(255, 255, 255, 0.2);
+            padding: 4px 10px;
+            border-radius: 20px;
+            font-size: 12px;
+        }
+
+        /* === Auth Section === */
         .auth-section {
-            padding: 60px 20px;
-            background: #f8f9fa;
-            border-bottom: 1px solid #e9ecef;
+            padding: 80px 24px;
+            background: var(--bg-secondary);
             text-align: center;
         }
 
         .auth-container {
-            max-width: 500px;
+            max-width: 440px;
             margin: 0 auto;
             background: white;
-            padding: 40px;
-            border-radius: 12px;
-            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
+            padding: 48px 40px;
+            border-radius: var(--radius-lg);
+            box-shadow: var(--shadow-xl);
+            border: 1px solid var(--border-light);
         }
 
         .auth-title {
-            font-size: 1.5rem;
-            font-weight: 600;
-            margin-bottom: 30px;
-            color: #2d3748;
+            font-size: 1.75rem;
+            font-weight: 700;
+            margin-bottom: 32px;
+            color: var(--text-primary);
+            letter-spacing: -0.025em;
         }
 
         .auth-input {
             width: 100%;
-            padding: 15px;
-            border: 2px solid #e9ecef;
-            border-radius: 8px;
+            padding: 16px 18px;
+            border: 2px solid var(--border-color);
+            border-radius: var(--radius-md);
             margin-bottom: 20px;
-            font-size: 16px;
-            transition: border-color 0.3s;
+            font-size: 15px;
+            transition: all var(--transition-normal);
+            background: var(--bg-primary);
         }
 
         .auth-input:focus {
             outline: none;
-            border-color: #4c51bf;
-            box-shadow: 0 0 0 3px rgba(76, 81, 191, 0.1);
+            border-color: var(--primary-color);
+            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
+            background: white;
         }
 
         .auth-btn {
             width: 100%;
-            padding: 15px;
-            background: linear-gradient(135deg, #4c51bf 0%, #553c9a 100%);
+            padding: 16px;
+            background: var(--accent-gradient);
             color: white;
             border: none;
-            border-radius: 8px;
-            font-size: 16px;
+            border-radius: var(--radius-md);
+            font-size: 15px;
             font-weight: 600;
             cursor: pointer;
-            transition: all 0.3s;
+            transition: all var(--transition-normal);
+            position: relative;
+            overflow: hidden;
+        }
+
+        .auth-btn::before {
+            content: '';
+            position: absolute;
+            top: 0;
+            left: -100%;
+            width: 100%;
+            height: 100%;
+            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
+            transition: left 0.5s ease;
         }
 
         .auth-btn:hover {
             transform: translateY(-2px);
-            box-shadow: 0 8px 25px rgba(76, 81, 191, 0.3);
+            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
         }
 
+        .auth-btn:hover::before {
+            left: 100%;
+        }
+
+        .auth-btn:active {
+            transform: translateY(0);
+        }
+
+        /* === Tabs === */
         .tabs {
             display: flex;
-            background: #f8f9fa;
-            border-bottom: 1px solid #e9ecef;
+            background: var(--bg-secondary);
+            border-bottom: 1px solid var(--border-color);
+            padding: 4px;
+            gap: 4px;
         }
 
         .tab {
             flex: 1;
-            padding: 12px 16px;
+            padding: 14px 20px;
             text-align: center;
             cursor: pointer;
             border: none;
-            background: none;
+            background: transparent;
             font-size: 14px;
-            transition: all 0.3s;
+            font-weight: 500;
+            transition: all var(--transition-normal);
+            border-radius: var(--radius-sm);
+            color: var(--text-secondary);
+            position: relative;
         }
 
         .tab.active {
             background: white;
-            border-bottom: 3px solid #4c51bf;
-            color: #4c51bf;
+            color: var(--primary-color);
             font-weight: 600;
+            box-shadow: var(--shadow-sm);
         }
 
-        .tab:hover {
-            background: #e9ecef;
+        .tab:hover:not(.active) {
+            background: rgba(99, 102, 241, 0.05);
+            color: var(--primary-color);
         }
 
         .tab-content {
             display: none;
-            padding: 30px;
+            padding: 32px;
+            animation: fadeIn 0.3s ease;
         }
 
         .tab-content.active {
             display: block;
         }
 
+        @keyframes fadeIn {
+            from { opacity: 0; transform: translateY(8px); }
+            to { opacity: 1; transform: translateY(0); }
+        }
+
+        /* === Buttons === */
         .btn {
-            background: linear-gradient(135deg, #4c51bf 0%, #553c9a 100%);
+            background: var(--accent-gradient);
             color: white;
-            border: 2px solid transparent;
-            padding: 8px 16px;
-            border-radius: 6px;
+            border: none;
+            padding: 10px 18px;
+            border-radius: var(--radius-sm);
             cursor: pointer;
             font-size: 13px;
-            transition: all 0.3s;
+            font-weight: 600;
+            transition: all var(--transition-normal);
             margin: 4px;
+            display: inline-flex;
+            align-items: center;
+            gap: 6px;
+            position: relative;
+            overflow: hidden;
+        }
+
+        .btn::before {
+            content: '';
+            position: absolute;
+            top: 50%;
+            left: 50%;
+            width: 0;
+            height: 0;
+            background: rgba(255, 255, 255, 0.2);
+            border-radius: 50%;
+            transform: translate(-50%, -50%);
+            transition: width 0.4s ease, height 0.4s ease;
         }
 
         .btn:hover {
             transform: translateY(-2px);
-            box-shadow: 0 5px 15px rgba(76, 81, 191, 0.4);
+            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.35);
+        }
+
+        .btn:hover::before {
+            width: 200%;
+            height: 200%;
+        }
+
+        .btn:active {
+            transform: translateY(0);
         }
 
         .btn-secondary {
             background: transparent;
-            color: #4c51bf;
-            border: 2px solid #4c51bf;
+            color: var(--primary-color);
+            border: 2px solid var(--primary-color);
         }
 
         .btn-secondary:hover {
-            background: rgba(76, 81, 191, 0.1);
-            transform: translateY(-2px);
-            box-shadow: 0 5px 15px rgba(76, 81, 191, 0.2);
+            background: rgba(99, 102, 241, 0.08);
+            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.15);
         }
 
         .btn-secondary.btn-warning {
             background: transparent;
-            color: #ed8936;
-            border: 2px solid #ed8936;
+            color: var(--warning-color);
+            border: 2px solid var(--warning-color);
         }
 
         .btn-secondary.btn-warning:hover {
-            background: rgba(237, 137, 54, 0.1);
-            transform: translateY(-2px);
-            box-shadow: 0 5px 15px rgba(237, 137, 54, 0.2);
+            background: rgba(245, 158, 11, 0.08);
+            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.2);
         }
 
         .btn-danger {
-            background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
-            border: 2px solid transparent;
+            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
         }
 
         .btn-danger:hover {
-            box-shadow: 0 5px 15px rgba(229, 62, 62, 0.4);
+            box-shadow: 0 6px 20px rgba(239, 68, 68, 0.35);
         }
 
         .btn-warning {
-            background: linear-gradient(135deg, #ed8936 0%, #dd6b20 100%);
-            border: 2px solid transparent;
+            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
         }
 
         .btn-warning:hover {
-            box-shadow: 0 5px 15px rgba(237, 137, 54, 0.4);
+            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
         }
 
+        /* === Form Elements === */
         .form-group {
-            margin-bottom: 20px;
+            margin-bottom: 24px;
         }
 
         .form-group label {
             display: block;
             margin-bottom: 8px;
             font-weight: 600;
-            color: #2d3748;
+            color: var(--text-primary);
             font-size: 14px;
         }
 
         .form-control {
             width: 100%;
-            padding: 12px;
-            border: 2px solid #e9ecef;
-            border-radius: 6px;
+            padding: 12px 16px;
+            border: 2px solid var(--border-color);
+            border-radius: var(--radius-sm);
             font-size: 14px;
-            transition: border-color 0.3s;
+            transition: all var(--transition-normal);
+            background: var(--bg-primary);
         }
 
         .form-control:focus {
             outline: none;
-            border-color: #4c51bf;
+            border-color: var(--primary-color);
+            box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
+            background: white;
         }
 
         select.form-control {
             cursor: pointer;
-            background-color: white;
+            background-color: var(--bg-primary);
+            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
+            background-repeat: no-repeat;
+            background-position: right 12px center;
+            padding-right: 36px;
+            appearance: none;
         }
 
         textarea.form-control {
@@ -267,92 +409,133 @@
             min-height: 100px;
         }
 
+        /* === Cards === */
         .card {
             background: white;
-            border: 1px solid #e9ecef;
-            border-radius: 8px;
-            padding: 20px;
-            margin-bottom: 20px;
-            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+            border: 1px solid var(--border-light);
+            border-radius: var(--radius-lg);
+            padding: 24px;
+            margin-bottom: 24px;
+            box-shadow: var(--shadow-md);
+            transition: all var(--transition-normal);
+        }
+
+        .card:hover {
+            box-shadow: var(--shadow-lg);
         }
 
         .card-header {
-            border-bottom: 1px solid #e9ecef;
-            padding-bottom: 15px;
-            margin-bottom: 20px;
+            border-bottom: 1px solid var(--border-light);
+            padding-bottom: 16px;
+            margin-bottom: 24px;
             display: flex;
             justify-content: space-between;
             align-items: center;
             flex-wrap: wrap;
+            gap: 12px;
         }
 
         .card-header div {
             display: flex;
-            gap: 10px;
+            gap: 8px;
             align-items: center;
+            flex-wrap: wrap;
         }
 
         .card-title {
-            font-size: 1.1rem;
-            font-weight: 600;
-            color: #2d3748;
+            font-size: 1.25rem;
+            font-weight: 700;
+            color: var(--text-primary);
+            letter-spacing: -0.025em;
         }
 
+        /* === Item List === */
         .item-list {
-            max-height: 400px;
+            max-height: 480px;
             overflow-y: auto;
+            padding-right: 4px;
+        }
+
+        .item-list::-webkit-scrollbar {
+            width: 6px;
+        }
+
+        .item-list::-webkit-scrollbar-track {
+            background: var(--bg-secondary);
+            border-radius: 3px;
+        }
+
+        .item-list::-webkit-scrollbar-thumb {
+            background: var(--border-color);
+            border-radius: 3px;
+        }
+
+        .item-list::-webkit-scrollbar-thumb:hover {
+            background: var(--text-muted);
         }
 
         .item {
             display: flex;
             justify-content: space-between;
             align-items: center;
-            padding: 15px;
-            border: 1px solid #e9ecef;
-            border-radius: 6px;
-            margin-bottom: 10px;
-            background: #f8f9fa;
+            padding: 18px 20px;
+            border: 1px solid var(--border-light);
+            border-radius: var(--radius-md);
+            margin-bottom: 12px;
+            background: var(--bg-primary);
+            transition: all var(--transition-normal);
+        }
+
+        .item:hover {
+            border-color: var(--primary-light);
+            background: white;
+            box-shadow: var(--shadow-sm);
+            transform: translateX(4px);
         }
 
         .item-info {
             flex: 1;
+            min-width: 0;
         }
 
         .item-key {
             font-weight: 600;
-            color: #2d3748;
-            margin-bottom: 5px;
+            color: var(--text-primary);
+            margin-bottom: 6px;
+            font-size: 15px;
         }
 
         .item-details {
-            font-size: 12px;
-            color: #718096;
+            font-size: 13px;
+            color: var(--text-secondary);
+            line-height: 1.5;
         }
 
         .actions {
             display: flex;
-            gap: 10px;
+            gap: 8px;
+            flex-shrink: 0;
         }
 
         .copy-btn {
             background: none;
             border: none;
-            color: #4c51bf;
+            color: var(--primary-color);
             cursor: pointer;
             font-size: 12px;
             margin-left: 5px;
-            padding: 2px 4px;
-            border-radius: 3px;
-            transition: background-color 0.2s;
+            padding: 4px 8px;
+            border-radius: var(--radius-sm);
+            transition: all var(--transition-fast);
         }
 
         .copy-btn:hover {
-            background-color: rgba(76, 81, 191, 0.1);
+            background-color: rgba(99, 102, 241, 0.1);
         }
 
         #tokenKeyActions {
             display: flex;
-            gap: 10px;
+            gap: 8px;
         }
 
         #tokenKeyActions .btn {
@@ -361,66 +544,70 @@
             flex-shrink: 0;
         }
 
+        /* === Alerts === */
         .alert {
-            padding: 15px;
-            border-radius: 6px;
+            padding: 16px 20px;
+            border-radius: var(--radius-md);
             margin-bottom: 20px;
+            font-weight: 500;
+            display: flex;
+            align-items: center;
+            gap: 12px;
         }
 
         .alert.alert-top {
             position: fixed;
-            top: 20px;
+            top: 24px;
             left: 50%;
             transform: translateX(-50%);
             z-index: 9999;
-            max-width: 600px;
-            min-width: 300px;
+            max-width: 480px;
+            min-width: 320px;
             margin-bottom: 0;
-            border-radius: 8px;
-            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
-            animation: slideInDown 0.3s ease-out;
-            text-align: center;
+            box-shadow: var(--shadow-xl);
+            animation: slideInDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
+            text-align: left;
+            backdrop-filter: blur(10px);
         }
 
         @keyframes slideInDown {
             from {
                 opacity: 0;
-                transform: translateX(-50%) translateY(-20px);
+                transform: translateX(-50%) translateY(-30px) scale(0.95);
             }
-
             to {
                 opacity: 1;
-                transform: translateX(-50%) translateY(0);
+                transform: translateX(-50%) translateY(0) scale(1);
             }
         }
 
         .alert-success {
-            background: #c6f6d5;
-            color: #22543d;
-            border: 1px solid #9ae6b4;
+            background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
+            color: #065f46;
+            border: 1px solid rgba(16, 185, 129, 0.3);
         }
 
         .alert-error {
-            background: #fed7d7;
-            color: #742a2a;
-            border: 1px solid #feb2b2;
+            background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
+            color: #991b1b;
+            border: 1px solid rgba(239, 68, 68, 0.3);
         }
 
         .loading {
             text-align: center;
-            padding: 40px;
-            color: #718096;
+            padding: 48px;
+            color: var(--text-secondary);
         }
 
-        /* mainContent loading 覆盖层样式 */
+        /* === Loading Overlay === */
         #loadingOverlay {
             position: absolute;
             top: 0;
             left: 0;
             width: 100%;
             height: 100%;
-            background-color: rgba(0, 0, 0, 0.5);
-            backdrop-filter: blur(4px);
+            background: rgba(15, 23, 42, 0.6);
+            backdrop-filter: blur(8px);
             z-index: 10002;
             display: flex;
             flex-direction: column;
@@ -428,12 +615,11 @@
             align-items: center;
             color: white;
             opacity: 0;
-            transition: opacity 0.3s ease-in-out;
+            transition: opacity var(--transition-normal);
             pointer-events: auto;
             cursor: wait;
         }
 
-        /* 当 loading 显示时，禁用 mainContent 交互 */
         #mainContent.loading-active {
             position: relative;
             pointer-events: none;
@@ -444,66 +630,79 @@
         }
 
         #loadingOverlay .spinner {
-            border: 4px solid rgba(255, 255, 255, 0.3);
-            border-top: 4px solid #ffffff;
+            width: 48px;
+            height: 48px;
+            border: 3px solid rgba(255, 255, 255, 0.2);
+            border-top-color: white;
             border-radius: 50%;
-            width: 40px;
-            height: 40px;
-            animation: spin 1s linear infinite;
-            margin: 0 auto 20px;
+            animation: spin 0.8s linear infinite;
+            margin-bottom: 16px;
         }
 
         #loadingOverlay p {
-            margin-top: 20px;
-            font-size: 16px;
+            margin-top: 8px;
+            font-size: 15px;
             font-weight: 500;
-            animation: pulse 2s ease-in-out infinite;
-        }
-
-        @keyframes pulse {
-
-            0%,
-            100% {
-                opacity: 1;
-            }
-
-            50% {
-                opacity: 0.7;
-            }
+            opacity: 0.9;
         }
 
         .spinner {
-            border: 4px solid #f3f3f3;
-            border-top: 4px solid #4c51bf;
+            border: 3px solid var(--border-color);
+            border-top: 3px solid var(--primary-color);
             border-radius: 50%;
             width: 40px;
             height: 40px;
-            animation: spin 1s linear infinite;
-            margin: 0 auto 20px;
+            animation: spin 0.8s linear infinite;
+            margin: 0 auto 16px;
         }
 
         @keyframes spin {
-            0% {
-                transform: rotate(0deg);
-            }
-
-            100% {
-                transform: rotate(360deg);
-            }
+            0% { transform: rotate(0deg); }
+            100% { transform: rotate(360deg); }
         }
 
+        @keyframes pulse {
+            0%, 100% { opacity: 1; }
+            50% { opacity: 0.6; }
+        }
+
+        /* === Grid === */
         .grid {
             display: grid;
-            grid-template-columns: 1fr 1fr;
-            gap: 20px;
+            grid-template-columns: repeat(2, 1fr);
+            gap: 24px;
         }
 
+        /* === Pricing Table === */
         .pricing-table {
             overflow-x: auto;
+            border-radius: var(--radius-md);
         }
 
         .pricing-table table {
             min-width: 600px;
+            border-collapse: separate;
+            border-spacing: 0;
+        }
+
+        .pricing-table thead tr {
+            background: var(--bg-secondary);
+        }
+
+        .pricing-table th {
+            padding: 14px 16px;
+            text-align: left;
+            font-weight: 600;
+            color: var(--text-primary);
+            border-bottom: 2px solid var(--border-color);
+            font-size: 13px;
+            text-transform: uppercase;
+            letter-spacing: 0.05em;
+        }
+
+        .pricing-table td {
+            padding: 12px 16px;
+            border-bottom: 1px solid var(--border-light);
         }
 
         .pricing-table input[type="text"],
@@ -511,23 +710,24 @@
             width: 100%;
             border: none;
             background: transparent;
-            padding: 8px;
+            padding: 10px 12px;
             font-size: 14px;
+            border-radius: var(--radius-sm);
+            transition: all var(--transition-fast);
         }
 
         .pricing-table input[type="text"]:focus,
         .pricing-table input[type="number"]:focus {
-            outline: 2px solid #4c51bf;
-            outline-offset: -2px;
-            border-radius: 4px;
+            outline: none;
             background: white;
+            box-shadow: 0 0 0 2px var(--primary-color);
         }
 
-        .pricing-table tr:hover {
-            background-color: #f8f9fa;
+        .pricing-table tr:hover td {
+            background-color: var(--bg-primary);
         }
 
-        /* 模态框样式 */
+        /* === Modal === */
         .modal {
             display: none;
             position: fixed;
@@ -536,128 +736,261 @@
             top: 0;
             width: 100%;
             height: 100%;
-            background-color: rgba(0, 0, 0, 0.5);
-            backdrop-filter: blur(4px);
+            background-color: rgba(15, 23, 42, 0.6);
+            backdrop-filter: blur(8px);
         }
 
         .modal-content {
             background-color: white;
-            margin: 10% auto;
+            margin: 8% auto;
             padding: 0;
-            border-radius: 12px;
+            border-radius: var(--radius-lg);
             width: 90%;
-            max-width: 500px;
-            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
-            animation: modalSlideIn 0.3s ease-out;
+            max-width: 480px;
+            box-shadow: var(--shadow-xl), 0 0 60px rgba(99, 102, 241, 0.15);
+            animation: modalSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
+            overflow: hidden;
         }
 
         @keyframes modalSlideIn {
             from {
                 opacity: 0;
-                transform: translateY(-50px);
+                transform: translateY(-40px) scale(0.95);
             }
-
             to {
                 opacity: 1;
-                transform: translateY(0);
+                transform: translateY(0) scale(1);
             }
         }
 
         .modal-header {
-            background: linear-gradient(135deg, #4c51bf 0%, #553c9a 100%);
+            background: var(--accent-gradient);
             color: white;
-            padding: 20px;
-            border-radius: 12px 12px 0 0;
+            padding: 24px 28px;
             position: relative;
         }
 
         .modal-title {
             font-size: 1.5rem;
-            font-weight: 600;
+            font-weight: 700;
             margin: 0;
+            letter-spacing: -0.025em;
         }
 
         .modal-close {
             position: absolute;
-            top: 15px;
+            top: 50%;
             right: 20px;
-            background: none;
+            transform: translateY(-50%);
+            background: rgba(255, 255, 255, 0.15);
             border: none;
             color: white;
-            font-size: 24px;
+            width: 36px;
+            height: 36px;
+            border-radius: 50%;
+            font-size: 20px;
             cursor: pointer;
-            opacity: 0.8;
-            transition: opacity 0.3s;
+            transition: all var(--transition-fast);
+            display: flex;
+            align-items: center;
+            justify-content: center;
         }
 
         .modal-close:hover {
-            opacity: 1;
+            background: rgba(255, 255, 255, 0.25);
+            transform: translateY(-50%) scale(1.1);
         }
 
         .modal-body {
-            padding: 30px;
+            padding: 32px 28px;
         }
 
+        /* === Feature Cards on Home === */
+        .feature-card {
+            border-radius: var(--radius-md);
+            padding: 24px;
+            transition: all var(--transition-normal);
+            position: relative;
+            overflow: hidden;
+        }
+
+        .feature-card::before {
+            content: '';
+            position: absolute;
+            top: 0;
+            left: 0;
+            right: 0;
+            bottom: 0;
+            background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 100%);
+            opacity: 0;
+            transition: opacity var(--transition-normal);
+        }
+
+        .feature-card:hover {
+            transform: translateY(-4px);
+            box-shadow: var(--shadow-lg);
+        }
+
+        .feature-card:hover::before {
+            opacity: 1;
+        }
+
+        /* === Quick Start Section === */
+        .quick-start {
+            background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
+            padding: 24px;
+            border-radius: var(--radius-md);
+            border-left: 4px solid var(--primary-color);
+        }
+
+        .quick-start h4 {
+            color: var(--text-primary);
+            font-size: 16px;
+            font-weight: 700;
+            margin-bottom: 16px;
+        }
+
+        .quick-start ol {
+            margin: 0;
+            padding-left: 20px;
+            color: var(--text-secondary);
+            font-size: 14px;
+        }
+
+        .quick-start li {
+            margin-bottom: 10px;
+            line-height: 1.6;
+        }
+
+        .quick-start li:last-child {
+            margin-bottom: 0;
+        }
+
+        /* === Responsive === */
         @media (max-width: 768px) {
+            body {
+                padding: 12px;
+            }
+
+            .container {
+                border-radius: var(--radius-lg);
+            }
+
             .grid {
                 grid-template-columns: 1fr;
             }
 
             .tabs {
                 flex-direction: column;
+                padding: 8px;
+            }
+
+            .tab {
+                padding: 12px 16px;
+            }
+
+            .tab-content {
+                padding: 20px;
             }
 
             .item {
                 flex-direction: column;
                 align-items: flex-start;
+                gap: 12px;
             }
 
             .actions {
-                margin-top: 10px;
                 width: 100%;
+                justify-content: flex-start;
             }
 
             .auth-container {
-                margin: 0 20px;
-                padding: 30px 20px;
+                margin: 0 12px;
+                padding: 32px 24px;
             }
 
             .header-info {
                 position: static;
                 text-align: center;
-                margin-bottom: 10px;
+                margin-bottom: 12px;
             }
 
             .header h1 {
-                font-size: 1.6rem;
+                font-size: 1.5rem;
             }
 
             .header.compact h1 {
-                font-size: 1.2rem;
+                font-size: 1.25rem;
             }
 
             .auth-section {
-                padding: 40px 20px;
+                padding: 48px 16px;
             }
 
-            /* 登录提示在移动端的样式优化 */
-            #loginPrompt>div {
+            .card-header {
+                flex-direction: column;
+                align-items: flex-start;
+            }
+
+            .card-header div {
+                width: 100%;
+                justify-content: flex-start;
+            }
+
+            #loginPrompt > div {
                 flex-direction: column !important;
-                gap: 10px !important;
+                gap: 12px !important;
             }
 
-            #loginPrompt>div>div:last-child {
-                margin-top: 0 !important;
+            #loginPrompt > div > div:last-child {
                 width: 100%;
                 text-align: center;
-                flex-shrink: 1 !important;
             }
 
-            #loginPrompt>div>div:first-child {
+            #loginPrompt > div > div:first-child {
                 min-width: auto !important;
                 text-align: center;
             }
         }
+
+        /* === Utility Classes === */
+        .text-gradient {
+            background: var(--accent-gradient);
+            -webkit-background-clip: text;
+            -webkit-text-fill-color: transparent;
+            background-clip: text;
+        }
+
+        .glass {
+            background: rgba(255, 255, 255, 0.7);
+            backdrop-filter: blur(10px);
+            border: 1px solid rgba(255, 255, 255, 0.3);
+        }
+
+        /* === Smooth Scrollbar === */
+        ::-webkit-scrollbar {
+            width: 8px;
+            height: 8px;
+        }
+
+        ::-webkit-scrollbar-track {
+            background: var(--bg-secondary);
+        }
+
+        ::-webkit-scrollbar-thumb {
+            background: var(--border-color);
+            border-radius: 4px;
+        }
+
+        ::-webkit-scrollbar-thumb:hover {
+            background: var(--text-muted);
+        }
+
+        /* === Selection === */
+        ::selection {
+            background: rgba(99, 102, 241, 0.2);
+            color: var(--text-primary);
+        }
     </style>
 </head>
 
@@ -724,17 +1057,17 @@
             <div id="home" class="tab-content">
                 <!-- 未登录时的登录提示 -->
                 <div id="loginPrompt" class="card"
-                    style="background: #fff3cd; border-left: 4px solid #ffc107; margin-bottom: 20px; padding: 15px;">
+                    style="background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.05) 100%); border-left: 4px solid var(--warning-color); margin-bottom: 24px; padding: 18px 20px; border-color: rgba(245, 158, 11, 0.2);">
                     <div
-                        style="display: flex; align-items: center; justify-content: space-between; gap: 15px; flex-wrap: wrap;">
+                        style="display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;">
                         <div style="flex: 1; min-width: 200px;">
-                            <p style="margin: 0; color: #856404; font-size: 14px;">
-                                💡 要使用管理功能，请先进行身份验证
+                            <p style="margin: 0; color: #92400e; font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 8px;">
+                                <span style="font-size: 18px;">💡</span> 要使用管理功能，请先进行身份验证
                             </p>
                         </div>
                         <div style="flex-shrink: 0;">
                             <button class="btn" onclick="showLoginModal()"
-                                style="background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%); color: #212529; margin: 0; font-size: 13px; padding: 6px 12px;">
+                                style="background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); color: white; margin: 0; font-size: 13px; padding: 10px 18px;">
                                 🔑 立即登录
                             </button>
                         </div>
@@ -744,46 +1077,53 @@
                 <!-- 主要内容区域 -->
                 <div class="card">
                     <div class="card-header">
-                        <h3 class="card-title">🚀 欢迎使用 AWSL One API</h3>
+                        <h3 class="card-title" style="display: flex; align-items: center; gap: 10px;">
+                            <span style="font-size: 24px;">🚀</span> 欢迎使用 AWSL One API
+                        </h3>
                     </div>
-                    <div style="margin-bottom: 30px;">
-                        <p style="font-size: 16px; color: #4a5568; line-height: 1.6; margin-bottom: 20px;">
+                    <div style="margin-bottom: 32px;">
+                        <p style="font-size: 16px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 24px;">
                             AWSL One API 是一个强大的 API 代理和管理平台，为您提供统一的 AI 模型接口管理服务。
                         </p>
 
-                        <div class="grid" style="margin-bottom: 30px;">
-                            <div class="card"
-                                style="margin-bottom: 0; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white;">
-                                <h4 style="color: white; margin-bottom: 15px;">🔗 频道管理</h4>
-                                <p style="margin: 0; opacity: 0.9; font-size: 14px;">配置和管理 AI 服务提供商的 API 端点，支持 Azure
-                                    OpenAI 等多种平台。</p>
+                        <div class="grid" style="margin-bottom: 32px;">
+                            <div class="card feature-card"
+                                style="margin-bottom: 0; background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%); color: white; border: none;">
+                                <h4 style="color: white; margin-bottom: 12px; font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px;">
+                                    <span style="font-size: 20px;">🔗</span> 频道管理
+                                </h4>
+                                <p style="margin: 0; opacity: 0.9; font-size: 14px; line-height: 1.6;">配置和管理 AI 服务提供商的 API 端点，支持 Azure OpenAI 等多种平台。</p>
                             </div>
-                            <div class="card"
-                                style="margin-bottom: 0; background: linear-gradient(135deg, #4c51bf 0%, #553c9a 100%); color: white;">
-                                <h4 style="color: white; margin-bottom: 15px;">🔑 令牌管理</h4>
-                                <p style="margin: 0; opacity: 0.9; font-size: 14px;">生成和管理 API 访问令牌，控制用户访问权限和使用配额。</p>
+                            <div class="card feature-card"
+                                style="margin-bottom: 0; background: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%); color: white; border: none;">
+                                <h4 style="color: white; margin-bottom: 12px; font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px;">
+                                    <span style="font-size: 20px;">🔑</span> 令牌管理
+                                </h4>
+                                <p style="margin: 0; opacity: 0.9; font-size: 14px; line-height: 1.6;">生成和管理 API 访问令牌，控制用户访问权限和使用配额。</p>
                             </div>
-                            <div class="card"
-                                style="margin-bottom: 0; background: linear-gradient(135deg, #38b2ac 0%, #319795 100%); color: white;">
-                                <h4 style="color: white; margin-bottom: 15px;">💰 定价管理</h4>
-                                <p style="margin: 0; opacity: 0.9; font-size: 14px;">灵活配置不同 AI 模型的计费策略，精确控制使用成本。</p>
+                            <div class="card feature-card"
+                                style="margin-bottom: 0; background: linear-gradient(135deg, #10b981 0%, #059669 100%); color: white; border: none;">
+                                <h4 style="color: white; margin-bottom: 12px; font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px;">
+                                    <span style="font-size: 20px;">💰</span> 定价管理
+                                </h4>
+                                <p style="margin: 0; opacity: 0.9; font-size: 14px; line-height: 1.6;">灵活配置不同 AI 模型的计费策略，精确控制使用成本。</p>
                             </div>
-                            <div class="card"
-                                style="margin-bottom: 0; background: linear-gradient(135deg, #ed64a6 0%, #d53f8c 100%); color: white;">
-                                <h4 style="color: white; margin-bottom: 15px;">🧪 API 测试</h4>
-                                <p style="margin: 0; opacity: 0.9; font-size: 14px;">内置 API 测试工具，快速验证配置和调试接口问题。</p>
+                            <div class="card feature-card"
+                                style="margin-bottom: 0; background: linear-gradient(135deg, #f43f5e 0%, #e11d48 100%); color: white; border: none;">
+                                <h4 style="color: white; margin-bottom: 12px; font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px;">
+                                    <span style="font-size: 20px;">🧪</span> API 测试
+                                </h4>
+                                <p style="margin: 0; opacity: 0.9; font-size: 14px; line-height: 1.6;">内置 API 测试工具，快速验证配置和调试接口问题。</p>
                             </div>
                         </div>
 
-                        <div
-                            style="background: #f7fafc; padding: 20px; border-radius: 8px; border-left: 4px solid #4c51bf;">
-                            <h4 style="margin: 0 0 15px 0; color: #2d3748; font-size: 16px;">⚡ 快速开始</h4>
-                            <ol
-                                style="margin: 0; padding-left: 20px; color: #4a5568; font-size: 14px; line-height: 1.6;">
-                                <li style="margin-bottom: 8px;">首先初始化数据库以设置必要的数据表结构</li>
-                                <li style="margin-bottom: 8px;">在频道管理中添加您的 AI 服务提供商配置</li>
-                                <li style="margin-bottom: 8px;">创建访问令牌并设置适当的权限和配额</li>
-                                <li style="margin-bottom: 8px;">配置模型定价策略以控制使用成本</li>
+                        <div class="quick-start">
+                            <h4>⚡ 快速开始</h4>
+                            <ol>
+                                <li>首先初始化数据库以设置必要的数据表结构</li>
+                                <li>在频道管理中添加您的 AI 服务提供商配置</li>
+                                <li>创建访问令牌并设置适当的权限和配额</li>
+                                <li>配置模型定价策略以控制使用成本</li>
                                 <li>使用 API 测试工具验证配置是否正常工作</li>
                             </ol>
                         </div>