:root{--color-primary: #1b4b66;--color-primary-hover: #163c52;--color-accent: #2fa88b;--color-accent-2: #6c5ce7;--color-accent-3: #e9a23b;--color-bg: #f5f7fa;--color-bg-dark: #0f1b2b;--color-surface: #ffffff;--color-border: #e3e6ea;--color-text-primary: #1a1f26;--color-text-secondary: #6b7280;--color-text-disabled: #b0b5bc;--color-text-on-dark: #f5f7fa;--color-success: #2fa88b;--color-warning: #e9a23b;--color-danger: #d64545;--color-neutral: #8b90a0;--shadow-card: 0 2px 8px rgba(20, 24, 32, .06);--shadow-hover: 0 8px 24px rgba(20, 24, 32, .12);--shadow-glow: 0 8px 24px rgba(47, 168, 139, .3);--radius-panel: 12px;--radius-control: 8px;--radius-pill: 999px;--font-mono: "DIN Alternate", "SF Mono", ui-monospace, Menlo, monospace;--font-hero: 36px;font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,-apple-system,Segoe UI,sans-serif;font-size:14px;line-height:1.5;color:var(--color-text-primary);-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;background:var(--color-bg)}input,button{font-family:inherit;font-size:inherit}