@import"https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700&display=swap";:root{--font-sans: "DM Sans", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--c-bg: #fafafa;--c-surface: #ffffff;--c-sidebar: #ffffff;--c-border: #ebebeb;--c-border-subtle: #f2f2f2;--c-text: #1a1a1a;--c-text-2: #666666;--c-text-3: #999999;--c-accent: #2563eb;--c-accent-hover: #1d4ed8;--c-accent-soft: rgba(37,99,235,.07);--c-accent-muted: rgba(37,99,235,.12);--c-canvas: #e8e8e8;--c-success-bg: #f0fdf4;--c-success-border: #bbf7d0;--c-success-text: #166534;--radius-xs: 4px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--radius-2xl: 20px;--shadow-xs: 0 1px 2px rgba(0,0,0,.04);--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 12px rgba(0,0,0,.06), 0 1px 3px rgba(0,0,0,.04);--shadow-lg: 0 8px 24px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);--shadow-xl: 0 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