:root{--primary: #FF6B35;--primary-light: #FF8C5A;--primary-dark: #E85A2A;--primary-tint: #FFF7ED;--primary-tint-2: #FFEDD5;--dark: #1A0B2E;--dark-2: #2D1B69;--dark-3: #3D2B7E;--bg: #F8F9FA;--bg-alt: #F9FAFB;--surface: #FFFFFF;--surface-hover: #F3F4F6;--text: #1A1A2E;--text-secondary: #6B7280;--text-hint: #9CA3AF;--border: #E5E7EB;--border-light: #F3F4F6;--success: #10B981;--success-tint: #ECFDF5;--warning: #F59E0B;--warning-tint: #FFFBEB;--error: #EF4444;--error-tint: #FEF2F2;--info: #3B82F6;--info-tint: #EFF6FF;--platform-dianping: #FF6B35;--platform-meituan: #FFD43B;--platform-xiaohongshu: #FF2442;--platform-douyin: #FE2C55;--platform-wechat: #07C160;--demo-bg: #111827;--demo-bg-2: #1F2937;--demo-border: #374151;--demo-text: #D1D5DB;--demo-disabled: #4B5563;--demo-subtitle: #B8B0D8;--demo-hint: #9B8FC7;--demo-gold: #FFB800;--demo-amber-tint: #FEF3C7;--demo-amber-text: #92400E;--demo-red-tint: #FEE2E2;--demo-red-text: #991B1B;--demo-green-tint: #D1FAE5;--demo-green-text: #065F46;--radius-sm: 6px;--radius: 14px;--radius-lg: 20px;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow: 0 2px 12px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 12px 24px rgba(0, 0, 0, .1);--shadow-xl: 0 20px 40px rgba(0, 0, 0, .12);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--space-3xl: 64px;--text-xs: 12px;--text-sm: 13px;--text-base: 14px;--text-md: 16px;--text-lg: 18px;--text-xl: 20px;--text-2xl: 24px;--text-3xl: 30px;--text-4xl: 36px;--text-5xl: 48px;--duration-fast: .15s;--duration: .2s;--duration-slow: .3s;--ease-out: cubic-bezier(0, 0, .2, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--z-dropdown: 100;--z-sticky: 200;--z-modal: 1000;--z-toast: 9999}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:var(--text-base);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}a{color:var(--primary);text-decoration:none}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,select,textarea{font-family:inherit;font-size:inherit;outline:none}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;border-radius:var(--radius-sm);font-size:var(--text-base);font-weight:500;transition:all var(--duration) var(--ease-out)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{background:#ccc;cursor:not-allowed}.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary)}.btn-outline:hover{background:var(--primary-tint)}.btn-block{display:flex;width:100%}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:var(--text-base);transition:border-color var(--duration)}.input:focus{border-color:var(--primary)}.form-group{margin-bottom:var(--space-md)}.form-group label{display:block;margin-bottom:var(--space-sm);font-size:var(--text-sm);color:var(--text-secondary);font-weight:500}.toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);background:var(--text);color:#fff;padding:12px 24px;border-radius:var(--radius-sm);font-size:var(--text-base);line-height:1.5;z-index:var(--z-toast);max-width:85vw;box-shadow:var(--shadow-lg);animation:toastIn var(--duration-slow) ease;word-wrap:break-word;height:auto}.toast-success,.toast.success{background:var(--success);color:#fff}.toast-error,.toast.error{background:var(--error);color:#fff}@keyframes toastIn{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media(max-width:768px){.card{padding:var(--space-md)}.btn{padding:12px 20px}}@media(prefers-reduced-motion:no-preference){.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}.reveal.in-view{opacity:1;transform:translateY(0)}.reveal-stagger>.reveal:nth-child(1){transition-delay:0ms}.reveal-stagger>.reveal:nth-child(2){transition-delay:.1s}.reveal-stagger>.reveal:nth-child(3){transition-delay:.2s}.reveal-stagger>.reveal:nth-child(4){transition-delay:.3s}.reveal-stagger>.reveal:nth-child(5){transition-delay:.4s}.reveal-stagger>.reveal:nth-child(6){transition-delay:.5s}}.card-hover{transition:transform var(--duration) var(--ease-out),box-shadow var(--duration) var(--ease-out)}.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}@keyframes cta-pulse{0%,to{box-shadow:0 0 #ff6b3566}50%{box-shadow:0 0 0 8px #ff6b3500}}.cta-pulse{animation:cta-pulse 2s infinite}.skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0,#f0f0f0 75%);background-size:200% 100%;animation:skeleton-pulse 1.5s ease-in-out infinite;border-radius:6px}@keyframes skeleton-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-text{height:14px;margin-bottom:8px}.skeleton-text:last-child{width:60%}.skeleton-title{height:20px;width:40%;margin-bottom:16px}.skeleton-card{height:120px;margin-bottom:16px}.skeleton-table-row{height:48px;margin-bottom:4px}.skeleton-avatar{width:64px;height:64px;border-radius:12px}.skeleton-image{width:100%;aspect-ratio:1;border-radius:8px}.skeleton-stat-card{height:100px;border-radius:12px}.skeleton-chart{height:140px;border-radius:8px}