:root{--brand: #0ABAB5;--brand-light: #E6F7F7;--brand-dark: #089B97;--accent: #E8815F;--accent-light: #FDF0EB;--accent-dark: #D47050;--success: #52C41A;--success-light: #F0FBE6;--warning: #FAAD14;--warning-light: #FFF8E6;--danger: #FF4D4F;--danger-light: #FFF0F0;--info: #1890FF;--info-light: #E6F4FF;--text-primary: #1A1A2E;--text-secondary: #5A5A7A;--text-placeholder: #A0A0B8;--text-disabled: #C0C0D0;--bg-page: #F5F3F0;--bg-card: #FFFFFF;--bg-hover: #F0EFEC;--border-default: #E5E3E0;--border-light: #F0EFEC;--divider: #EBE9E6;--spacing-1: 8px;--spacing-2: 16px;--spacing-3: 24px;--spacing-4: 32px;--spacing-6: 48px;--spacing-8: 64px;--radius-1: 8px;--radius-2: 12px;--radius-3: 16px;--radius-4: 20px;--font-xs: 12px;--font-sm: 14px;--font-base: 16px;--font-lg: 18px;--font-xl: 20px;--font-2xl: 24px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 2px 8px rgba(0, 0, 0, .08);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .1);--transition-fast: .15s ease;--transition-normal: .25s ease}*,*:before,*:after{box-sizing:border-box}html,body,#app{min-width:1024px;min-height:100vh;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--text-primary, #1a1a2e);background:var(--bg-page, #f5f3f0)}.admin-layout{display:flex;min-height:100vh}.admin-sidebar{width:240px;flex-shrink:0;overflow:hidden;color:#fff;background:#1a1a2e}.admin-main{display:flex;flex:1;min-width:0;flex-direction:column}.admin-content{flex:1;padding:24px;overflow-y:auto}.login-page{display:flex;min-height:100vh;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand-light, #e6f7f7),var(--bg-page, #f5f3f0))}.login-card{width:400px;padding:48px 32px;border-radius:12px;box-shadow:var(--shadow-lg, 0 4px 16px rgba(0,0,0,.1))}