/* ============================================ Design Token System — Portfolio Site 程序员个人作品集官网设计系统 ============================================ */ :root { /* --- Brand Color: Deep Indigo + Amber Accent --- */ --brand-h: 243; /* Primary Palette (OKLCH) */ --color-primary-50: oklch(97% 0.02 250); --color-primary-100: oklch(93% 0.04 250); --color-primary-200: oklch(87% 0.07 250); --color-primary-300: oklch(78% 0.11 250); --color-primary-400: oklch(66% 0.15 250); --color-primary-500: oklch(55% 0.18 250); --color-primary-600: oklch(46% 0.18 250); --color-primary-700: oklch(38% 0.16 250); --color-primary-800: oklch(30% 0.13 250); --color-primary-900: oklch(22% 0.09 250); /* Accent (Amber / Gold) */ --color-accent-400: oklch(84% 0.16 75); --color-accent-500: oklch(75% 0.18 75); --color-accent-600: oklch(64% 0.17 75); /* Tinted Neutrals (slight blue-indigo cast) */ --color-neutral-50: oklch(98% 0.005 250); --color-neutral-100: oklch(95% 0.008 250); --color-neutral-200: oklch(91% 0.010 250); --color-neutral-300: oklch(84% 0.012 250); --color-neutral-400: oklch(72% 0.012 250); --color-neutral-500: oklch(60% 0.012 250); --color-neutral-600: oklch(48% 0.012 250); --color-neutral-700: oklch(37% 0.012 250); --color-neutral-800: oklch(26% 0.010 250); --color-neutral-900: oklch(17% 0.008 250); --color-neutral-950: oklch(11% 0.006 250); /* Semantic Colors */ --color-success: oklch(62% 0.17 155); --color-success-bg: oklch(95% 0.04 155); --color-warning: oklch(72% 0.18 85); --color-warning-bg: oklch(96% 0.04 85); --color-error: oklch(58% 0.22 25); --color-error-bg: oklch(96% 0.04 25); --color-info: oklch(58% 0.17 240); --color-info-bg: oklch(95% 0.04 240); /* --- Surface Tokens (Light Mode) --- */ --surface-page: oklch(99% 0.004 250); --surface-card: oklch(100% 0 0); --surface-raised: oklch(98% 0.006 250); --surface-overlay: oklch(15% 0.01 250 / 0.6); /* Text */ --text-primary: oklch(17% 0.008 250); --text-secondary: oklch(42% 0.012 250); --text-tertiary: oklch(60% 0.010 250); --text-on-dark: oklch(97% 0.005 250); --text-on-brand: oklch(100% 0 0); /* Borders */ --border-subtle: oklch(91% 0.010 250); --border-default: oklch(84% 0.012 250); --border-strong: oklch(72% 0.012 250); /* Code colors */ --code-bg: oklch(96% 0.008 250); --code-border: oklch(89% 0.012 250); /* --- Typography --- */ --font-display: 'Plus Jakarta Sans', 'Outfit', system-ui, sans-serif; --font-body: 'DM Sans', 'Instrument Sans', system-ui, sans-serif; --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace; /* Font Scale (fluid display, fixed body) */ --text-xs: 0.75rem; /* 12px */ --text-sm: 0.875rem; /* 14px */ --text-base: 1rem; /* 16px */ --text-lg: 1.125rem; /* 18px */ --text-xl: 1.25rem; /* 20px */ --text-2xl: 1.5rem; /* 24px */ --text-3xl: 1.875rem; /* 30px */ --text-4xl: clamp(2rem, 4vw + 1rem, 3rem); --text-5xl: clamp(2.5rem, 5vw + 1rem, 4rem); --text-hero: clamp(3rem, 7vw + 1rem, 5.5rem); --leading-tight: 1.2; --leading-snug: 1.375; --leading-normal: 1.5; --leading-relaxed: 1.625; --tracking-tight: -0.025em; --tracking-normal: 0em; --tracking-wide: 0.05em; --tracking-wider: 0.1em; /* --- Spacing (8px base) --- */ --space-1: 0.25rem; /* 4px */ --space-2: 0.5rem; /* 8px */ --space-3: 0.75rem; /* 12px */ --space-4: 1rem; /* 16px */ --space-5: 1.25rem; /* 20px */ --space-6: 1.5rem; /* 24px */ --space-8: 2rem; /* 32px */ --space-10: 2.5rem; /* 40px */ --space-12: 3rem; /* 48px */ --space-16: 4rem; /* 64px */ --space-20: 5rem; /* 80px */ --space-24: 6rem; /* 96px */ --space-32: 8rem; /* 128px */ /* --- Border Radius --- */ --radius-sm: 0.25rem; --radius-md: 0.5rem; --radius-lg: 0.75rem; --radius-xl: 1rem; --radius-2xl: 1.5rem; --radius-full: 9999px; /* --- Shadows --- */ --shadow-xs: 0 1px 2px 0 oklch(17% 0.008 250 / 0.05); --shadow-sm: 0 1px 3px 0 oklch(17% 0.008 250 / 0.08), 0 1px 2px -1px oklch(17% 0.008 250 / 0.05); --shadow-md: 0 4px 6px -1px oklch(17% 0.008 250 / 0.08), 0 2px 4px -2px oklch(17% 0.008 250 / 0.05); --shadow-lg: 0 10px 15px -3px oklch(17% 0.008 250 / 0.08), 0 4px 6px -4px oklch(17% 0.008 250 / 0.05); --shadow-xl: 0 20px 25px -5px oklch(17% 0.008 250 / 0.08), 0 8px 10px -6px oklch(17% 0.008 250 / 0.05); --shadow-glow: 0 0 0 3px oklch(55% 0.18 250 / 0.15); --shadow-card-hover: 0 20px 40px -12px oklch(55% 0.18 250 / 0.2); /* --- Easing --- */ --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1); --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1); --ease-in-quart: cubic-bezier(0.5, 0, 0.75, 0); --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1); /* Duration */ --dur-instant: 80ms; --dur-fast: 150ms; --dur-normal: 300ms; --dur-slow: 500ms; --dur-enter: 600ms; /* --- Layout --- */ --container-sm: 640px; --container-md: 768px; --container-lg: 1024px; --container-xl: 1200px; --container-2xl: 1400px; --nav-height: 64px; --section-padding: clamp(var(--space-12), 8vw, var(--space-24)); } /* ============================================ Dark Mode ============================================ */ [data-theme="dark"] { --surface-page: oklch(14% 0.008 250); --surface-card: oklch(18% 0.010 250); --surface-raised: oklch(21% 0.012 250); --surface-overlay: oklch(8% 0.006 250 / 0.75); --text-primary: oklch(95% 0.005 250); --text-secondary: oklch(72% 0.010 250); --text-tertiary: oklch(52% 0.010 250); --border-subtle: oklch(26% 0.010 250); --border-default: oklch(32% 0.012 250); --border-strong: oklch(42% 0.012 250); --code-bg: oklch(20% 0.010 250); --code-border: oklch(28% 0.010 250); --shadow-xs: 0 1px 2px 0 oklch(5% 0 0 / 0.3); --shadow-sm: 0 1px 3px 0 oklch(5% 0 0 / 0.4), 0 1px 2px -1px oklch(5% 0 0 / 0.3); --shadow-md: 0 4px 6px -1px oklch(5% 0 0 / 0.4), 0 2px 4px -2px oklch(5% 0 0 / 0.3); --shadow-lg: 0 10px 15px -3px oklch(5% 0 0 / 0.5), 0 4px 6px -4px oklch(5% 0 0 / 0.3); --shadow-card-hover: 0 20px 40px -12px oklch(55% 0.18 250 / 0.3); color-scheme: dark; }