:root{--bg: #ffffff;--bg-2: #f4f7fc;--panel: #ffffff;--card: #ffffff;--card-solid: #f5f8fd;--tint: #eef4fc;--text: #0f1b2e;--text-1: #1e293b;--text-2: #334155;--text-3: #44546b;--text-4: #4f607a;--text-5: #64748b;--muted: #64748b;--dim: #8493a8;--dim-2: #98a6ba;--accent: #2f6df6;--accent-deep: #1a4fd0;--accent-2: #0ea5e9;--accent-lt: #2563eb;--warm: #f0801f;--warm-deep: #d9661a;--grad-cool: linear-gradient(135deg, #2f6df6, #18b0e6);--grad-warm: linear-gradient(135deg, #f7901f, #ea5c1a);--grad-mix: linear-gradient(120deg, #2f6df6, #5b8bf7 55%, #f0801f);--line: #e8edf5;--line-2: #e1e8f2;--line-strong: #cbd8ec;--shadow-sm: 0 1px 2px rgba(15, 27, 46, .05);--shadow-md: 0 12px 30px rgba(15, 27, 46, .08);--shadow-lg: 0 26px 60px rgba(15, 27, 46, .12);--shadow-blue: 0 16px 40px rgba(47, 109, 246, .16);--font-sans: "Noto Sans SC", system-ui, -apple-system, "Microsoft YaHei", sans-serif;--font-display: "Space Grotesk", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, 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