:root{--c-primary: #00387b;--c-primary-dark: #00295c;--c-primary-deep: #001e44;--c-accent: #3399ff;--c-accent-soft: #9fb4d0;--c-surface: #ffffff;--c-surface-muted: #f7f7f7;--c-surface-band: #f5f5f5;--c-surface-tint: #f3f4f8;--c-surface-panel: #f6f6f6;--c-border: #e7e7e7;--c-border-strong: #cccccc;--c-ink: #333333;--c-ink-strong: #12171a;--c-text-muted: #657180;--c-text-secondary: #666666;--c-text-tertiary: #767676;--c-on-primary: #ffffff;--c-footer-bg: #12171a;--c-footer-text: #a9b0b8;--c-footer-icon: #4b4e51;--c-error: #c62828;--c-success: #1e7b45;--font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, Helvetica, sans-serif;--font-num: Arial, Helvetica, sans-serif;--r-sm: 4px;--r-md: 5px;--r-lg: 8px;--r-pill: 9999px;--s-xs: 4px;--s-sm: 8px;--s-md: 16px;--s-lg: 24px;--s-xl: 32px;--s-2xl: 48px;--s-3xl: 64px;--s-4xl: 80px;--gutter: 20px;--content-max: 1200px;--content-inner: 1160px;--sidebar-w: 345px;--topbar-h: 44px;--header-h: 74px;--m-header-h: 56px;--hero-h: 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