:root{color-scheme:light;font-family:Inter,SF Pro Text,PingFang SC,Microsoft YaHei,ui-sans-serif,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--bg: #f6f7fb;--surface: #ffffff;--surface-soft: #f1f3f9;--surface-strong: #272548;--line: #e1e3ed;--line-strong: #c8cad8;--text: #252344;--text-soft: #55566f;--muted: #84859a;--accent: #655cff;--accent-strong: #5047e8;--accent-soft: #eeedff;--cyan: #35cdd1;--danger: #c3444d;--danger-soft: #fff0f1;--warning: #a36611;--success: #16825e;--radius-sm: 8px;--radius-lg: 20px;--shadow-soft: 0 18px 50px rgba(57, 54, 104, .08);--shadow-float: 0 30px 80px rgba(54, 50, 115, 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