/* 基础变量定义 */
        :root {
            --glass-bg-light: rgba(255, 255, 255, 0.25);
            --glass-bg-dark: rgba(0, 0, 0, 0.2);
            --glass-border-light: 1px solid rgba(255, 255, 255, 0.3);
            --glass-border-dark: 1px solid rgba(0, 0, 0, 0.2);
            --glass-blur: 10px;
            --glass-shadow: 0 8px 32px rgba(31, 38, 135, 0.15);
            
            --primary-color: rgba(67, 97, 238, 0.8);
            --secondary-color: rgba(63, 55, 201, 0.8);
            --accent-color: rgba(72, 149, 239, 0.8);
            --success-color: rgba(76, 201, 240, 0.8);
            --danger-color: rgba(247, 37, 133, 0.8);
            
            --text-light: #ffffff;
            --text-dark: #212529;
            --text-muted: rgba(255, 255, 255, 0.7);
        }
        
        /* 基础重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Segoe UI', system-ui, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 2rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        /* 玻璃效果基础类 */
        .glass {
            background: var(--glass-bg-light);
            backdrop-filter: blur(var(--glass-blur));
            -webkit-backdrop-filter: blur(var(--glass-blur));
            border-radius: 12px;
            border: var(--glass-border-light);
            box-shadow: var(--glass-shadow);
            transition: all 0.3s ease;
        }
        
        .glass-dark {
            background: var(--glass-bg-dark);
            border: var(--glass-border-dark);
        }
        
        /* 布局工具 */
        .flex {
            display: flex;
            gap: 1rem;
        }
        
        .grid {
            display: grid;
            gap: 1.5rem;
        }
        
        .grid-cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .grid-cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        
        .p-4 { padding: 1rem; }
        .p-6 { padding: 1.5rem; }
        .py-4 { padding: 1rem 0; }
        .px-4 { padding: 0 1rem; }
        .my-4 { margin: 1rem 0; }
        .my-6 { margin: 1.5rem 0; }
        .gap-4 { gap: 1rem; }
        
        /* 文字样式 */
        .text-center { text-align: center; }
        .text-xl { font-size: 1.5rem; }
        .text-2xl { font-size: 2rem; }
        .font-bold { font-weight: 600; }
        
        /* 卡片组件 */
        .card {
            composes: glass;
            overflow: hidden;
        }
        
        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 40px rgba(31, 38, 135, 0.25);
        }
        
        .card-header {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-weight: 600;
        }
        
        .card-body {
            padding: 1.5rem;
        }
        
        .card-footer {
            padding: 1rem 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(255, 255, 255, 0.1);
        }
        
        /* 按钮组件 */
        .btn {
            composes: glass;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            color: var(--text-light);
            border: none;
        }
        
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 20px rgba(31, 38, 135, 0.2);
        }
        
        .btn-primary {
            background: var(--primary-color);
        }
        
        .btn-secondary {
            background: var(--secondary-color);
        }
        
        .btn-accent {
            background: var(--accent-color);
        }
        
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.5);
        }
        
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        
        /* 输入框组件 */
        .input-group {
            margin-bottom: 1.5rem;
        }
        
        .input-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
            color: var(--text-muted);
        }
        
        .input-field {
            composes: glass;
            width: 100%;
            padding: 0.75rem 1rem;
            font-size: 1rem;
            color: var(--text-light);
            border: none;
            transition: all 0.3s ease;
        }
        
        .input-field:focus {
            outline: none;
            background: rgba(255, 255, 255, 0.35);
            box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
        }
        
        .input-field::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        
        /* 表格组件 */
        .table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            composes: glass;
            overflow: hidden;
        }
        
        .table th {
            background: rgba(255, 255, 255, 0.2);
            padding: 1rem;
            text-align: left;
            font-weight: 500;
        }
        
        .table td {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .table tr:last-child td {
            border-bottom: none;
        }
        
        .table tr:hover td {
            background: rgba(255, 255, 255, 0.15);
        }
        
        /* 特殊玻璃效果 */
        .glass-card-highlight {
            position: relative;
            overflow: hidden;
        }
        
        .glass-card-highlight::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: linear-gradient(
                to bottom right,
                rgba(255, 255, 255, 0),
                rgba(255, 255, 255, 0),
                rgba(255, 255, 255, 0.1)
            );
            transform: rotate(30deg);
            z-index: -1;
        }
        
        /* 工具提示 */
        .tooltip {
            position: relative;
            display: inline-block;
        }
        
        .tooltip:hover::after {
            content: attr(data-tooltip);
            position: absolute;
            bottom: 100%;
            left: 50%;
            transform: translateX(-50%);
            padding: 0.5rem 1rem;
            background: var(--glass-bg-dark);
            backdrop-filter: blur(var(--glass-blur));
            border-radius: 6px;
            color: var(--text-light);
            font-size: 0.875rem;
            white-space: nowrap;
            margin-bottom: 0.5rem;
            opacity: 0;
            animation: fadeIn 0.3s forwards;
        }
        
        @keyframes fadeIn {
            to { opacity: 1; }
        }