:root{--color-primary: #D4A340;--color-primary-dark: #B8832A;--color-primary-light: #E5C06A;--color-background: #FAFAF8;--color-text: #2A2A2A;--color-text-light: #6B6B6B;--color-text-muted: #8A8A8A;--color-shanghai: #D4A340;--color-shanghai-dark: #B8832A;--color-shanghai-light: #E5C06A;--color-haikou: #2A9D8F;--color-haikou-dark: #1E7A6E;--color-haikou-light: #4DB8AB;--color-christchurch: #5A7D9A;--color-christchurch-dark: #456378;--color-christchurch-light: #7A9BB5;--color-white: #FFFFFF;--color-black: #1A1A1A;--color-border: #E0E0E0;--color-border-light: #F0F0F0;--color-border-dark: #CCCCCC;--color-surface: #FFFFFF;--color-surface-secondary: #F5F5F3;--color-surface-tertiary: #EAEAE6;--font-serif: "Merriweather", Georgia, "Times New Roman", serif;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "JetBrains Mono", "Fira Code", "Courier New", monospace;--font-display: var(--font-serif);--font-body: var(--font-sans);--text-xs: clamp(.75rem, .7rem + .25vw, .8125rem);--text-sm: clamp(.875rem, .8rem + .375vw, .9375rem);--text-base: clamp(1rem, .925rem + .375vw, 1.0625rem);--text-lg: clamp(1.125rem, 1rem + .625vw, 1.25rem);--text-xl: clamp(1.25rem, 1.1rem + .75vw, 1.5rem);--text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);--text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);--text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.25rem);--text-5xl: clamp(3rem, 2.25rem + 3.75vw, 4.5rem);--leading-none: 1;--leading-tight: 1.2;--leading-snug: 1.375;--leading-normal: 1.5;--leading-relaxed: 1.625;--leading-loose: 1.8;--font-light: 300;--font-normal: 400;--font-medium: 500;--font-semibold: 600;--font-bold: 700;--font-black: 900;--tracking-tighter: -.05em;--tracking-tight: -.025em;--tracking-normal: 0;--tracking-wide: .025em;--tracking-wider: .05em;--tracking-widest: .1em;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 2rem;--spacing-lg: 4rem;--spacing-xl: 6rem;--space-0: 0;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--space-24: 6rem;--space-32: 8rem;--max-width: 1400px;--content-width: 800px;--content-width-narrow: 640px;--content-width-wide: 1200px;--container-sm: 640px;--container-md: 768px;--container-lg: 1024px;--container-xl: 1280px;--container-2xl: 1400px;--radius-none: 0;--radius-sm: .25rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--border-thin: 1px;--border-medium: 2px;--border-thick: 3px;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .08), 0 2px 4px -2px rgb(0 0 0 / .06);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .08);--shadow-xl: 0 20px 25px -5px rgb(0 0 0 / .1), 0 8px 10px -6px rgb(0 0 0 / .08);--shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / .2);--shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / .05);--duration-fast: .15s;--duration-normal: .3s;--duration-slow: .5s;--ease-linear: linear;--ease-in: cubic-bezier(.4, 0, 1, 1);--ease-out: cubic-bezier(0, 0, .2, 1);--ease-in-out: cubic-bezier(.4, 0, .2, 1);--transition-colors: color var(--duration-fast) var(--ease-in-out), background-color var(--duration-fast) var(--ease-in-out), border-color var(--duration-fast) var(--ease-in-out);--transition-transform: transform var(--duration-normal) var(--ease-out);--transition-all: all var(--duration-normal) var(--ease-in-out);--z-below: -1;--z-base: 0;--z-above: 1;--z-dropdown: 10;--z-sticky: 20;--z-fixed: 30;--z-modal-backdrop: 40;--z-modal: 50;--z-popover: 60;--z-tooltip: 70;--z-max: 9999;--color-text-primary: var(--color-text);--color-text-secondary: var(--color-text-light);--color-bg-primary: var(--color-background);--color-bg-secondary: var(--color-surface-secondary);--color-bg-tertiary: var(--color-surface-tertiary);--color-focus: var(--color-primary);--color-success: #2E7D32;--color-warning: #ED6C02;--color-error: #D32F2F;--border-ornate: 2px solid var(--color-border);--border-archive: 1px solid var(--color-border);--prose-max-width: 65ch;--prose-spacing: 1.75em}[data-region=shanghai]{--region-primary: var(--color-shanghai);--region-primary-dark: var(--color-shanghai-dark);--region-primary-light: var(--color-shanghai-light);--region-accent: #8B5E34;--region-bg-subtle: #FFFDF5;--region-bg-muted: #FBF7ED;--region-border: var(--color-shanghai);--region-border-light: rgba(212, 163, 64, .3);--region-shadow: 0 4px 20px rgba(212, 163, 64, .15);--region-gradient: linear-gradient(135deg, var(--color-shanghai) 0%, var(--color-shanghai-dark) 100%);--region-gradient-soft: linear-gradient(180deg, rgba(212, 163, 64, .1) 0%, transparent 100%)}[data-region=haikou]{--region-primary: var(--color-haikou);--region-primary-dark: var(--color-haikou-dark);--region-primary-light: var(--color-haikou-light);--region-accent: #166D62;--region-bg-subtle: #F5FCFB;--region-bg-muted: #EDF9F7;--region-border: var(--color-haikou);--region-border-light: rgba(42, 157, 143, .3);--region-shadow: 0 4px 20px rgba(42, 157, 143, .15);--region-gradient: linear-gradient(135deg, var(--color-haikou) 0%, var(--color-haikou-dark) 100%);--region-gradient-soft: linear-gradient(180deg, rgba(42, 157, 143, .1) 0%, transparent 100%)}[data-region=christchurch]{--region-primary: var(--color-christchurch);--region-primary-dark: var(--color-christchurch-dark);--region-primary-light: var(--color-christchurch-light);--region-accent: #3D5A6E;--region-bg-subtle: #F5F8FA;--region-bg-muted: #EDF2F5;--region-border: var(--color-christchurch);--region-border-light: rgba(90, 125, 154, .3);--region-shadow: 0 4px 20px rgba(90, 125, 154, .15);--region-gradient: linear-gradient(135deg, var(--color-christchurch) 0%, var(--color-christchurch-dark) 100%);--region-gradient-soft: linear-gradient(180deg, rgba(90, 125, 154, .1) 0%, transparent 100%)}[data-region] 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