:root{--color-primary: #6366F1;--color-primary-hover: #4F46E5;--color-primary-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);--color-success: #10B981;--color-warning: #F59E0B;--color-error: #EF4444;--color-info: #6366F1;--bg-base: #FFFFFF;--bg-section: #F8F9FA;--bg-card: #FFFFFF;--bg-hover: #F0F0FF;--bg-elevated: #FFFFFF;--border-color: #E5E7EB;--border-light: #F3F4F6;--text-primary: #1A1A2E;--text-secondary: #4A4A68;--text-muted: #6B7280;--text-disabled: #9CA3AF;--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--shadow-sm: 0 1px 3px rgba(0,0,0,.05);--shadow-md: 0 4px 12px rgba(0,0,0,.06);--shadow-lg: 0 8px 24px rgba(0,0,0,.08)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh;display:flex;flex-direction:column}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-section)}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#9ca3af}.page-container{max-width:1400px;margin:0 auto;padding:24px}.page-header{margin-bottom:24px}.page-title{color:var(--text-primary);font-size:24px;font-weight:700}.page-subtitle{color:var(--text-secondary);margin-top:4px}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-sm)}.app-header{background:var(--bg-card)!important;border-bottom:1px solid var(--border-color)!important;padding:0 16px;height:56px;display:flex;align-items:center;gap:12px}.app-logo{color:var(--color-primary);font-size:20px;font-weight:700}.app-logo-icon{font-size:24px}.sidebar-sider{background:var(--bg-card)!important;border-right:1px solid var(--border-color)!important}.sidebar-logo{padding:16px 12px;text-align:center;border-bottom:1px solid var(--border-color)}.sidebar-logo-text{color:var(--color-primary);font-size:20px;font-weight:700}.user-avatar{background:var(--color-primary-gradient);color:#fff}.btn-primary{background:var(--color-primary-gradient);border:none;color:#fff;border-radius:var(--radius-md);font-weight:600}.btn-gradient{background:var(--color-primary-gradient);border:none}.input-search{background:var(--bg-base)!important;border-color:var(--border-color)!important;color:var(--text-primary)!important;max-width:400px}.table-container{background:var(--bg-card)}.table-link{color:var(--color-primary);cursor:pointer;font-weight:600}.table-link:hover{text-decoration:underline}.tag-primary{background:#eef2ff;color:var(--color-primary);border:none}.tag-success{background:#ecfdf5;color:var(--color-success);border:none}.tag-warning{background:#fffbeb;color:var(--color-warning);border:none}.tag-error{background:#fef2f2;color:var(--color-error);border:none}.tag-muted{background:var(--bg-section);color:var(--text-muted);border:none}.status-draft{color:var(--text-muted)}.status-active{color:var(--color-primary)}.status-archived{color:var(--text-disabled)}.status-overdue{color:var(--color-error)}.status-completed{color:var(--color-success)}.pagination-dark .ant-pagination-item{background:var(--bg-card);border-color:var(--border-color)}.pagination-dark .ant-pagination-item-active{border-color:var(--color-primary)}.pagination-dark .ant-pagination-item-active a{color:var(--color-primary)}.agent-fab{position:fixed;bottom:24px;right:24px;z-index:1000;background:var(--color-primary-gradient);border:none;box-shadow:0 4px 16px #6366f14d}.agent-fab:hover{background:var(--color-primary-hover)}.agent-modal-title{color:var(--color-primary);font-size:20px}.agent-message-user{background:var(--color-primary-gradient);color:#fff;border-radius:12px}.agent-message-bot{background:var(--bg-hover);color:var(--text-primary);border-radius:12px}.agent-quick-tag{cursor:pointer;border-color:var(--border-color);color:var(--text-secondary)}.agent-quick-tag:hover{border-color:var(--color-primary);color:var(--color-primary)}.search-container{position:relative;max-width:480px}.search-dropdown{position:absolute;top:100%;left:0;right:0;margin-top:4px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);max-height:320px;overflow:auto;z-index:1000;box-shadow:var(--shadow-lg)}.search-item{padding:10px 16px;cursor:pointer;border-bottom:1px solid var(--border-light)}.search-item:hover{background:var(--bg-hover)}.search-item-title{font-weight:600;color:var(--color-primary)}.search-item-sub{font-size:12px;color:var(--text-secondary)}.search-shortcut{background:var(--bg-section);border:1px solid var(--border-color);border-radius:4px;padding:2px 6px;font-size:11px;color:var(--text-muted)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f0f0ff,#fff);padding:16px}.login-card{width:100%;max-width:420px;border-radius:var(--radius-xl);box-shadow:var(--shadow-md);border:1px solid var(--border-color)}.login-logo{text-align:center;margin-bottom:32px}.login-logo-icon{font-size:48px;margin-bottom:8px}.login-logo-title{color:var(--text-primary);font-size:28px;font-weight:700;margin:0}.login-logo-subtitle{color:var(--text-secondary);margin-top:4px;display:block}.login-btn{background:var(--color-primary-gradient);border:none;height:48px;font-size:16px;font-weight:600;border-radius:var(--radius-md)}.login-hint{text-align:center;margin-top:16px;font-size:12px}.landing-page{background:var(--bg-base)}.landing-header{position:sticky;top:0;z-index:100;background:var(--bg-card);border-bottom:1px solid var(--border-color);padding:12px 24px;display:flex;align-items:center;justify-content:space-between}.landing-hero{max-width:1200px;margin:0 auto;padding:80px 24px 60px;text-align:center;background:linear-gradient(180deg,#f0f0ff,#fff)}.landing-title{font-size:48px;font-weight:800;color:var(--text-primary);margin-bottom:16px}.landing-subtitle{font-size:20px;color:var(--text-secondary);max-width:640px;margin:0 auto 32px;line-height:1.6}.landing-trust{margin-top:48px;display:flex;justify-content:center;gap:32px;flex-wrap:wrap}.landing-trust-item{color:var(--color-success);font-size:14px}.landing-section{max-width:1200px;margin:0 auto;padding:60px 24px}.landing-section-alt{background:var(--bg-section);padding:60px 24px}.landing-section-title{text-align:center;margin-bottom:48px;color:var(--text-primary)}.landing-step-number{font-size:48px;font-weight:800;color:var(--color-primary);opacity:.15;margin-bottom:8px}.landing-cta{max-width:800px;margin:0 auto;padding:80px 24px;text-align:center}.landing-footer{border-top:1px solid var(--border-color);padding:32px 24px;text-align:center}.landing-footer-text{color:var(--text-muted);font-size:12px}@media(max-width:768px){.ant-table-wrapper{overflow-x:auto}.landing-title{font-size:32px}.landing-subtitle{font-size:16px}}