*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #dbeafe;--primary-dark: #1e40af;--success: #10b981;--success-light: #d1fae5;--warning: #f59e0b;--warning-light: #fef3c7;--danger: #ef4444;--danger-light: #fee2e2;--text-primary: #1f2937;--text-secondary: #6b7280;--text-muted: #9ca3af;--bg-primary: #ffffff;--bg-secondary: #f9fafb;--bg-tertiary: #f3f4f6;--border: #e5e7eb;--border-light: #f3f4f6;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .1), 0 4px 6px rgba(0, 0, 0, .05);--radius: 8px;--radius-sm: 4px;--radius-lg: 12px;--radius-xl: 16px;--transition: all .2s ease}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans SC,sans-serif;color:var(--text-primary);background:var(--bg-secondary);line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{color:var(--primary-hover)}img{max-width:100%;height:auto;display:block}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;border:none;border-radius:var(--radius);cursor:pointer;transition:var(--transition);line-height:1.5;white-space:nowrap}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#059669}.btn-lg{padding:12px 28px;font-size:16px;border-radius:var(--radius-lg)}.btn-block{width:100%}.card{background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.badge{display:inline-flex;align-items:center;padding:2px 10px;font-size:12px;font-weight:500;border-radius:9999px;white-space:nowrap}.badge-free{background:var(--success-light);color:#065f46}.badge-basic{background:var(--primary-light);color:#1e40af}.badge-pro{background:#ede9fe;color:#6b21a8}.badge-enterprise{background:var(--danger-light);color:#991b1b}.skeleton{background:linear-gradient(90deg,var(--bg-tertiary) 25%,#e5e7eb 50%,var(--bg-tertiary) 75%);background-size:200% 100%;animation:skeleton-loading 1.5s ease-in-out infinite;border-radius:var(--radius)}@keyframes skeleton-loading{0%{background-position:200% 0}to{background-position:-200% 0}}.container{max-width:1200px;margin:0 auto;padding:0 24px}@media(max-width:768px){.container{padding:0 16px}}