:root{--blue-400: #60a5fa;--blue-500: #3b82f6;--blue-600: #2563eb;--blue-700: #1d4ed8;--sage-300: #a9cbb8;--sage-400: #84b197;--sage-500: #699c7f;--sage-600: #4f7f63;--sage-700: #3f6a52;--slate-50: #f8fafc;--slate-100: #f1f5f9;--slate-200: #e2e8f0;--slate-300: #cbd5e1;--slate-400: #94a3b8;--slate-500: #64748b;--slate-600: #475569;--slate-700: #334155;--slate-800: #1e293b;--slate-900: #0f172a;--slate-950: #070b12;--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;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 999px;--container: 1800px;--header-h: 64px;--duration-fast: .12s;--duration-base: .2s;--ease-out: cubic-bezier(.22, .61, .36, 1);--font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-mono: ui-monospace, SFMono-Regular, "JetBrains Mono", Menlo, Consolas, "Liberation Mono", monospace}:root{color-scheme:light;--color-bg: #ffffff;--color-bg-subtle: var(--slate-50);--color-surface: #ffffff;--color-surface-raised: #ffffff;--color-border: #e3e8ef;--color-border-strong: var(--slate-300);--color-text: #0b1220;--color-text-muted: #5a6b85;--color-text-subtle: var(--slate-500);--color-link: #1a0dab;--color-url: #006621;--color-brand: var(--sage-600);--color-brand-hover: var(--sage-700);--color-brand-subtle: #e9f1ec;--color-on-brand: #ffffff;--color-ring: color-mix(in oklab, var(--sage-600) 45%, transparent);--color-danger: #b42318;--color-danger-subtle: #fef3f2;--color-danger-border: #fda29b;--color-success: #067647;--color-success-subtle: #ecfdf3;--color-success-border: #abefc6;--shadow-sm: 0 1px 2px rgb(9 16 29 / .06);--shadow-md: 0 4px 16px -4px rgb(9 16 29 / .1);--shadow-lg: 0 24px 48px -24px rgb(9 16 29 / .22);--gradient-brand: linear-gradient(135deg, var(--sage-600), var(--sage-400));--header-bg: rgb(255 255 255 / .8)}:root[data-theme=dark]{color-scheme:dark;--color-bg: #070b12;--color-bg-subtle: #0a0f18;--color-surface: #0d131f;--color-surface-raised: #111a2a;--color-border: #17202e;--color-border-strong: #232d3d;--color-text: #e8eef7;--color-text-muted: #93a3ba;--color-text-subtle: var(--slate-500);--color-link: #8ab4f8;--color-url: #5fa77c;--color-brand: var(--sage-500);--color-brand-hover: var(--sage-400);--color-brand-subtle: #16241d;--color-on-brand: #06120c;--color-ring: color-mix(in oklab, var(--sage-500) 55%, transparent);--color-danger: #fda29b;--color-danger-subtle: #2a1315;--color-danger-border: #6d2c2c;--color-success: #6ce9a6;--color-success-subtle: #10241a;--color-success-border: #1f5236;--shadow-sm: 0 1px 2px rgb(0 0 0 / .4);--shadow-md: 0 4px 16px -4px rgb(0 0 0 / .5);--shadow-lg: 0 24px 48px -24px rgb(0 0 0 / .7);--gradient-brand: linear-gradient(135deg, var(--sage-500), var(--sage-400));--header-bg: rgb(7 11 18 / .8)}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + var(--space-4))}body{min-height:100dvh;display:flex;flex-direction:column;background-color:var(--color-bg);color:var(--color-text);font-family:var(--font-sans);font-size:1rem;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;transition:background-color var(--duration-base) var(--ease-out),color var(--duration-base) var(--ease-out)}main{flex:1 0 auto;display:flex;flex-direction:column}h1,h2,h3,h4{line-height:1.25;font-weight:650;letter-spacing:-.02em;text-wrap:balance}p{text-wrap:pretty}a{color:var(--color-brand);text-decoration-thickness:1px;text-underline-offset:2px}img,svg,picture,video{display:block;max-width:100%}ul,ol{list-style:none;padding:0}button{font:inherit;color:inherit}:focus-visible{outline:2px solid var(--color-brand);outline-offset:3px;border-radius:var(--radius-sm)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}.skip-link{position:absolute;top:var(--space-3);left:var(--space-3);z-index:100;padding:var(--space-3) var(--space-5);border-radius:var(--radius-md);background-color:var(--color-brand);color:var(--color-on-brand);font-weight:600;text-decoration:none;transform:translateY(-200%);transition:transform var(--duration-fast) var(--ease-out)}.skip-link:focus-visible{transform:translateY(0)}.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--space-6)}.section{padding-block:var(--space-20)}.section--subtle{background-color:var(--color-bg-subtle);border-block:1px solid var(--color-border)}.section-head{max-width:62ch;margin-bottom:var(--space-12)}.section-head h2{font-size:clamp(1.625rem,1.2rem + 1.6vw,2.25rem)}.section-head .lead{margin-top:var(--space-4);color:var(--color-text-muted);font-size:1.0625rem}.eyebrow{display:inline-block;margin-bottom:var(--space-4);padding:var(--space-1) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-full);background-color:var(--color-brand-subtle);color:var(--color-brand);font-size:.8125rem;font-weight:600;letter-spacing:.02em}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--space-3) var(--space-6);border:1px solid transparent;border-radius:var(--radius-md);font-size:.9375rem;font-weight:600;line-height:1.4;text-decoration:none;white-space:nowrap;cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.btn--primary{background-color:var(--color-brand);color:var(--color-on-brand);box-shadow:var(--shadow-sm)}.btn--primary:hover{background-color:var(--color-brand-hover);box-shadow:var(--shadow-md)}.btn--ghost{border-color:var(--color-border-strong);background-color:var(--color-surface);color:var(--color-text)}.btn--ghost:hover{border-color:var(--color-brand);color:var(--color-brand)}.card{padding:var(--space-6);border:1px solid var(--color-border);border-radius:var(--radius-lg);background-color:var(--color-surface);transition:border-color var(--duration-base) var(--ease-out),box-shadow var(--duration-base) var(--ease-out),transform var(--duration-base) var(--ease-out)}.card:hover{border-color:var(--color-border-strong);box-shadow:var(--shadow-md);transform:translateY(-2px)}.chip{display:inline-flex;align-items:center;padding:var(--space-1) var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-full);background-color:var(--color-surface);color:var(--color-text-muted);font-family:var(--font-mono);font-size:.8125rem;line-height:1.6}.field{display:flex;flex-direction:column;gap:var(--space-2)}.field-label{font-size:.875rem;font-weight:600;color:var(--color-text)}.field-input{width:100%;padding:var(--space-3) var(--space-4);border:1px solid var(--color-border-strong);border-radius:var(--radius-md);background-color:var(--color-surface);color:var(--color-text);font-family:inherit;font-size:.9375rem;line-height:1.5;transition:border-color var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out)}.field-input::placeholder{color:var(--color-text-subtle)}.field-input:focus{outline:none;border-color:var(--color-brand);box-shadow:0 0 0 4px color-mix(in oklab,var(--color-brand) 16%,transparent)}.field-input[aria-invalid=true]{border-color:var(--color-danger)}.field-hint{color:var(--color-text-subtle);font-size:.8125rem}.form-alert{display:none;padding:var(--space-3) var(--space-4);border:1px solid var(--color-danger-border);border-radius:var(--radius-md);background-color:var(--color-danger-subtle);color:var(--color-danger);font-size:.875rem;line-height:1.6}.form-alert[data-visible=true]{display:block}.form-alert[data-tone=success]{border-color:var(--color-success-border);background-color:var(--color-success-subtle);color:var(--color-success)}.badge{display:inline-flex;align-items:center;gap:var(--space-1);padding:2px var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.75rem;font-weight:600;line-height:1.7}.badge--ok{border-color:var(--color-success-border);background-color:var(--color-success-subtle);color:var(--color-success)}.badge--muted{color:var(--color-text-subtle)}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;background:color-mix(in oklab,var(--color-bg) 82%,transparent);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--color-border)}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;min-height:var(--header-h);gap:var(--space-3)}.brand[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:var(--space-2);color:var(--color-text);font-weight:700;font-size:1rem;letter-spacing:-.02em;text-decoration:none}.header-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-2);flex:none;margin-inline-start:auto}.site-nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-1)}.nav-link[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;min-height:2.125rem;padding:0 var(--space-3);border-radius:var(--radius-full);color:var(--color-text-muted);font-size:.875rem;font-weight:600;text-decoration:none;white-space:nowrap;transition:color var(--duration-fast) var(--ease-out),background-color var(--duration-fast) var(--ease-out)}.nav-link[data-astro-cid-3ef6ksr2]:hover{background-color:var(--color-brand-subtle);color:var(--color-brand)}.lang-link[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;justify-content:center;min-width:2.5rem;min-height:2.125rem;padding:0 var(--space-2);border:1px solid var(--color-border);border-radius:var(--radius-full);color:var(--color-text-muted);font-size:.76rem;font-weight:700;text-decoration:none;transition:color var(--duration-fast) var(--ease-out),border-color var(--duration-fast) var(--ease-out),background-color var(--duration-fast) var(--ease-out)}.lang-link[data-astro-cid-3ef6ksr2]:hover{border-color:var(--color-brand);background-color:var(--color-brand-subtle);color:var(--color-brand)}.theme-switch[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--color-border);border-radius:var(--radius-full);background-color:var(--color-bg-subtle)}.theme-btn[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border:0;border-radius:var(--radius-full);background-color:transparent;color:var(--color-text-muted);cursor:pointer;transition:background-color var(--duration-fast) var(--ease-out),color var(--duration-fast) var(--ease-out)}.theme-btn[data-astro-cid-3ef6ksr2] svg[data-astro-cid-3ef6ksr2]{width:15px;height:15px}.theme-btn[data-astro-cid-3ef6ksr2][aria-pressed=true]{background-color:var(--color-surface);color:var(--color-brand);box-shadow:var(--shadow-sm)}@media(max-width:620px){.header-inner[data-astro-cid-3ef6ksr2]{gap:var(--space-2)}.header-actions[data-astro-cid-3ef6ksr2]{gap:var(--space-1)}.site-nav[data-astro-cid-3ef6ksr2]{gap:0}.nav-link[data-astro-cid-3ef6ksr2]{padding:0 var(--space-2);font-size:.8125rem}.lang-link[data-astro-cid-3ef6ksr2]{min-width:2.25rem;padding:0 var(--space-1);font-size:.7rem}.theme-btn[data-astro-cid-3ef6ksr2]{width:26px;height:26px}.theme-btn[data-astro-cid-3ef6ksr2] svg[data-astro-cid-3ef6ksr2]{width:14px;height:14px}}.site-footer[data-astro-cid-sz7xmlte]{padding-block:var(--space-6);border-top:1px solid var(--color-border);background-color:var(--color-bg-subtle)}.footer-inner[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-3)}.footer-legal[data-astro-cid-sz7xmlte]{color:var(--color-text-subtle);font-size:.8125rem}.footer-legal-link[data-astro-cid-sz7xmlte]{flex:none;color:var(--color-text-subtle);font-size:.8125rem;text-decoration:none}.footer-legal-link[data-astro-cid-sz7xmlte]:hover{color:var(--color-brand);text-decoration:underline}