:root{--color-bg-base: #f0f2f5;--color-bg-layout: #f0f2f5;--color-bg-container: #ffffff;--color-bg-elevated: #f7f8fa;--color-bg-spotlight: #eef1f6;--color-border-primary: #d9d9d9;--color-border-secondary: #e8e8e8;--color-text-heading: #1a1a2e;--color-text-primary: #333333;--color-text-secondary: #888888;--color-text-disabled: #bfbfbf;--color-primary: #1677ff;--color-primary-hover: #4096ff;--color-primary-active: #0958d9;--color-primary-bg: rgba(22, 119, 255, .08);--color-primary-glow: rgba(22, 119, 255, .25);--color-success: #52c41a;--color-success-bg: rgba(82, 196, 26, .08);--color-warning: #faad14;--color-warning-bg: rgba(250, 173, 20, .08);--color-danger: #ff4d4f;--color-danger-bg: rgba(255, 77, 79, .08);--color-info: #1677ff;--color-info-bg: rgba(22, 119, 255, .08);--gradient-primary: linear-gradient(135deg, #1677ff 0%, #4f46e5 100%);--gradient-success: linear-gradient(135deg, #52c41a 0%, #13c2c2 100%);--gradient-warning: linear-gradient(135deg, #faad14 0%, #fa8c16 100%);--gradient-danger: linear-gradient(135deg, #ff4d4f 0%, #f5222d 100%);--gradient-card: linear-gradient(180deg, #ffffff 0%, #f7f8fa 100%);--gradient-sidebar: linear-gradient(180deg, #001529 0%, #002140 100%);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .1);--shadow-glow-primary: 0 2px 8px rgba(22, 119, 255, .2);--shadow-glow-danger: 0 2px 8px rgba(255, 77, 79, .2);--shadow-glow-success: 0 2px 8px rgba(82, 196, 26, .15);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--spacing-2xl: 48px;--transition-fast: all .15s cubic-bezier(.4, 0, .2, 1);--transition-smooth: all .3s cubic-bezier(.4, 0, .2, 1);--transition-spring: all .4s cubic-bezier(.34, 1.56, .64, 1);--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#app{height:100%;width:100%;font-family:var(--font-family);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background:var(--color-bg-base);color:var(--color-text-primary);overflow:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#999}.ant-layout{background:var(--color-bg-layout)!important}.ant-layout-sider{background:var(--gradient-sidebar)!important;border-right:none!important}.ant-menu-dark .ant-menu-item-selected{background:#ffffff26!important}.ant-menu-dark .ant-menu-item:hover{background:#ffffff14!important}.ant-menu-dark .ant-menu-sub{background:#0003!important}.ant-table-thead>tr>th{background:var(--color-bg-elevated)!important;color:var(--color-text-heading)!important;border-bottom:1px solid var(--color-border-secondary)!important;font-weight:600!important}.ant-table-tbody>tr:hover>td{background:var(--color-bg-elevated)!important}.ant-btn-primary{background:var(--gradient-primary)!important;border:none!important;box-shadow:var(--shadow-glow-primary)!important}.ant-btn-primary:hover{opacity:.9;transform:translateY(-1px)}.ant-tag{border-radius:var(--radius-sm)!important}.ant-card{border-radius:var(--radius-lg)!important}.ant-tree .ant-tree-node-content-wrapper:hover,.ant-tree .ant-tree-node-selected{background:var(--color-primary-bg)!important}.gw-card{background:var(--color-bg-container);border:1px solid var(--color-border-secondary);border-radius:var(--radius-lg);padding:var(--spacing-lg);transition:var(--transition-smooth)}.gw-card:hover{border-color:var(--color-border-primary);box-shadow:var(--shadow-md)}.gw-stat-card{background:var(--color-bg-container);border:1px solid var(--color-border-secondary);border-radius:var(--radius-lg);padding:var(--spacing-lg);position:relative;overflow:hidden;transition:var(--transition-smooth)}.gw-stat-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px}.gw-stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.gw-stat-card--primary:before{background:var(--gradient-primary)}.gw-stat-card--success:before{background:var(--gradient-success)}.gw-stat-card--warning:before{background:var(--gradient-warning)}.gw-stat-card--danger:before{background:var(--gradient-danger)}.gw-page-header{margin-bottom:var(--spacing-lg)}.gw-page-title{font-size:22px;font-weight:700;color:var(--color-text-heading);letter-spacing:-.01em}.gw-page-subtitle{font-size:14px;color:var(--color-text-secondary);margin-top:var(--spacing-xs)}.gw-status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.gw-status-dot--online{background:var(--color-success);box-shadow:0 0 6px var(--color-success);animation:pulse-green 2s infinite}.gw-status-dot--offline{background:var(--color-text-disabled)}.gw-status-dot--alarm{background:var(--color-danger);box-shadow:0 0 6px var(--color-danger);animation:pulse-red 1s infinite}@keyframes pulse-green{0%,to{opacity:1;box-shadow:0 0 6px var(--color-success)}50%{opacity:.7;box-shadow:0 0 12px var(--color-success)}}@keyframes pulse-red{0%,to{opacity:1;box-shadow:0 0 6px var(--color-danger)}50%{opacity:.6;box-shadow:0 0 16px var(--color-danger)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-16px)}to{opacity:1;transform:translate(0)}}@keyframes countUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fadeIn .4s ease-out}.animate-slide-left{animation:slideInLeft .3s ease-out}.login-container{height:100vh;width:100vw;display:flex;align-items:center;justify-content:center;background-size:cover;background-position:center;position:relative}.login-container:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse at center,#f0f2f5bf,#f0f2f5f2)}.login-box{position:relative;z-index:1;width:420px;background:#ffffffeb;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--color-border-secondary);border-radius:var(--radius-xl);padding:48px 40px;box-shadow:var(--shadow-lg)}.login-logo{display:flex;flex-direction:column;align-items:center;margin-bottom:36px}.login-logo img{width:56px;height:56px;margin-bottom:16px;filter:drop-shadow(0 4px 8px rgba(22,119,255,.25))}.login-logo h1{font-size:22px;font-weight:700;color:var(--color-text-heading);letter-spacing:.05em}.login-logo p{font-size:13px;color:var(--color-text-secondary);margin-top:6px}.captcha-row{display:flex;gap:12px}.captcha-row .ant-input{flex:1}.captcha-canvas{width:120px;height:40px;border-radius:var(--radius-sm);cursor:pointer;border:1px solid var(--color-border-primary);transition:var(--transition-fast)}.captcha-canvas:hover{border-color:var(--color-primary)}