:root{--color-primary: #006C7A;--color-primary-hover: #00798E;--color-primary-active: #005462;--color-primary-soft: #E0EEF1;--color-primary-line: rgba(0, 108, 122, .18);--color-copper: #B45309;--color-copper-soft: #FDF1E2;--color-copper-line: rgba(180, 83, 9, .24);--color-bg: #F4F7F8;--color-bg-deep: #ECF0F2;--color-surface: #FFFFFF;--color-surface-2: #F9FBFB;--color-text: #0F1419;--color-text-secondary: #4B5A6B;--color-text-muted: #7C8997;--color-text-inverse: #F4F7F8;--color-border: #DEE5E9;--color-border-strong: #C5CFD5;--color-divider: #ECF0F2;--color-success: #1F8E5E;--color-warning: #B45309;--color-danger: #C8342B;--color-info: #1B6B83;--shadow-xs: 0 1px 2px rgba(15, 30, 38, .04);--shadow-sm: 0 2px 6px rgba(15, 30, 38, .06);--shadow-md: 0 8px 20px rgba(15, 30, 38, .08), 0 2px 4px rgba(15, 30, 38, .04);--shadow-lg: 0 24px 64px rgba(8, 22, 32, .16);--radius-xs: 4px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--font-sans: "Sora", -apple-system, BlinkMacSystemFont, "Segoe 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.ant-menu-item-selected:before{content:"";position:absolute;left:-12px;top:50%;height:16px;width:2px;background:var(--color-copper);transform:translateY(-50%)}.app-menu .ant-menu-item-icon{color:#f4f7f899!important}.app-menu .ant-menu-item-selected .ant-menu-item-icon{color:var(--color-copper)!important}.app-header{margin:16px 16px 8px;height:60px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:space-between;background:var(--color-surface)!important;border:1px solid var(--color-border);padding:0 20px!important;box-shadow:var(--shadow-xs)}.app-header .header-toggle{color:var(--color-text-secondary)}.app-header .user-trigger{cursor:pointer;padding:6px 12px;border-radius:var(--radius-sm);transition:background .2s var(--ease-out);font-size:13px;color:var(--color-text)}.app-header .user-trigger:hover{background:var(--color-bg-deep)}.app-content{padding:8px 16px 16px;background:var(--color-bg)}.content-surface{min-height:calc(100vh - 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