:root{color-scheme:light dark;--text-on-brand: #ffffff;--brand-primary: #1BA784;--brand-link: #107A5B;--brand-primary-hover: #158A6D;--brand-primary-button: #148669;--brand-primary-button-hover: #107A5B;--brand-primary-light: #E8F6F2;--brand-primary-subtle: rgba(27, 167, 132, .15);--brand-primary-rgb: 27, 167, 132;--brand-accent: #C87D3A;--brand-accent-hover: #A6642E;--brand-accent-light: #F9EFE6;--brand-accent-rgb: 200, 125, 58;--bg-warm: #faf7f0;--bg-white: #ffffff;--gray-50: #F5F5F5;--gray-100: #EBEBEB;--gray-200: #E0E0E0;--gray-400: #B0B0B0;--gray-500: #808080;--gray-600: #666666;--gray-800: #333333;--gray-900: #1A1A1A;--semantic-success: #22c55e;--semantic-success-hover: #16a34a;--semantic-success-light: rgba(34, 197, 94, .1);--semantic-success-text: #15803d;--semantic-warning: #f59e0b;--semantic-warning-hover: #d97706;--semantic-warning-light: rgba(245, 158, 11, .1);--semantic-warning-text: #b45309;--semantic-error: #ef4444;--semantic-error-hover: #dc2626;--semantic-error-light: rgba(239, 68, 68, .1);--semantic-error-text: #b91c1c;--semantic-info: #3b82f6;--semantic-info-hover: #2563eb;--semantic-info-light: rgba(59, 130, 246, .1);--semantic-info-text: #1d4ed8;--glass-bg: rgba(255, 255, 255, .65);--glass-blur: 20px;--glass-border: rgba(255, 255, 255, .4);--glass-shadow: 0 2px 16px rgba(0, 0, 0, .04);--shadow-0: none;--shadow-1: 0 1px 3px rgba(0, 0, 0, .06);--shadow-2: 0 4px 12px rgba(0, 0, 0, .06);--shadow-3: 0 8px 24px rgba(0, 0, 0, .08);--shadow-4: 0 16px 40px rgba(0, 0, 0, .1);--radius-none: 0;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-full: 9999px;--mc-radius-xs: var(--radius-sm);--mc-radius-sm: var(--radius-md);--mc-radius-md: var(--radius-lg);--mc-radius-lg: 16px;--mc-radius-full: var(--radius-full);--space-0: 0;--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 20px;--space-6: 24px;--space-8: 32px;--space-10: 40px;--space-12: 48px;--space-16: 64px;--space-20: 80px;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Fira Code", "Noto Sans SC Mono", "Roboto Mono", Menlo, Monaco, "Courier New", monospace;--text-xxs: 11px;--text-xs: 12px;--text-sm: 14px;--text-base: 16px;--text-md: 18px;--text-lg: 20px;--text-xl: 24px;--text-2xl: 28px;--text-3xl: 36px;--text-4xl: 48px;--leading-tight: 1.25;--leading-normal: 1.6;--leading-relaxed: 1.75;--leading-en-hero: 1.15;--leading-en-heading: 1.2;--leading-en-subtitle: 1.4;--leading-en-body: 1.5;--font-weight-regular: 400;--font-weight-medium: 500;--font-weight-semibold: 600;--font-weight-bold: 700;--letter-spacing-display: -.02em;--letter-spacing-display-en: -.03em;--letter-spacing-uppercase: .05em;--duration-instant: .1s;--duration-fast: .2s;--duration-normal: .3s;--duration-slow: .5s;--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-out-standard: cubic-bezier(.2, 0, .2, 1);--ease-in: cubic-bezier(.4, 0, 1, 1);--ease-spring: cubic-bezier(.34, 1.56, .64, 1);--text-max: 680px;--content-max: 960px;--page-max: 1200px;--nav-width: 240px;--grid-cols: 12;--bp-sm: 640px;--bp-md: 768px;--bp-lg: 1024px;--icon-sm: 16px;--icon-md: 20px;--icon-lg: 24px;--icon-stroke: 2px;--focus-ring: 0 0 0 3px rgba(27, 167, 132, .25);--focus-ring-error: 0 0 0 3px rgba(239, 68, 68, .25);--max-width: 1200px;--nav-height: 64px;--social-xiaohongshu: #FF2442;--social-wechat: #07C160}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media(hover:none){.btn:hover,.card-elevated:hover,.tag:hover,.tab-line-item:hover,.tab-pill-item:hover,.nav-link:hover,.menu-btn:hover,.mobile-close-btn:hover,.mobile-nav-link:hover,.social-link:hover,.social-link-wrap:hover svg,.footer a:hover,.post-card:hover,.post-link:hover .post-title,.post-link:hover .post-tag,.doc-sidebar a:hover,.toc a:hover{transform:none!important}}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg-warm: #161616;--bg-white: #1E1E1E;--gray-50: #1E1E1E;--gray-100: #262626;--gray-200: #3A3A3A;--gray-400: #606060;--gray-600: #A0A0A0;--gray-800: #D0D0D0;--gray-900: #F0F0F0;--semantic-success: #4ade80;--semantic-success-hover: #22c55e;--semantic-success-light: rgba(74, 222, 128, .15);--semantic-success-text: #4ade80;--semantic-warning: #fbbf24;--semantic-warning-hover: #f59e0b;--semantic-warning-light: rgba(251, 191, 36, .15);--semantic-warning-text: #fbbf24;--semantic-error: #f87171;--semantic-error-hover: #ef4444;--semantic-error-light: rgba(248, 113, 113, .15);--semantic-error-text: #fca5a5;--semantic-info: #60a5fa;--semantic-info-hover: #3b82f6;--semantic-info-light: rgba(96, 165, 250, .15);--semantic-info-text: #93c5fd;--glass-bg: rgba(30, 30, 30, .65);--glass-border: rgba(255, 255, 255, .08);--glass-shadow: 0 2px 16px rgba(0, 0, 0, .2);--shadow-1: 0 1px 3px rgba(0, 0, 0, .3);--shadow-2: 0 4px 12px rgba(0, 0, 0, .4);--shadow-3: 0 8px 24px rgba(0, 0, 0, .5);--shadow-4: 0 16px 40px rgba(0, 0, 0, .6)}}*{margin:0;padding:0;box-sizing:border-box}html{font-family:var(--font-sans);color:var(--gray-900);background:var(--bg-warm);line-height:1.6;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;overflow-x:hidden}a{color:var(--brand-link);text-decoration:none;transition:color var(--duration-fast)}@media(hover:hover){a:hover{color:var(--brand-primary-hover)}}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-sm)}.container{max-width:var(--max-width);margin:0 auto;padding:0 2rem}.header[data-astro-cid-3ef6ksr2]{position:fixed;top:0;left:0;right:0;height:var(--nav-height);z-index:100;background:var(--glass-bg);backdrop-filter:blur(var(--glass-blur));-webkit-backdrop-filter:blur(var(--glass-blur));border-bottom:1px solid var(--gray-200)}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;height:100%}.logo[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;flex-shrink:0;color:var(--gray-900)}.logo-horizontal[data-astro-cid-3ef6ksr2]{flex-direction:row;gap:8px}.logo-mark[data-astro-cid-3ef6ksr2]{display:block;flex-shrink:0}.logo-wordmark[data-astro-cid-3ef6ksr2]{font-family:var(--font-sans);font-size:1rem;font-weight:700;letter-spacing:-.02em;line-height:1}.nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:2rem}.nav-link[data-astro-cid-3ef6ksr2]{color:var(--gray-900);font-size:var(--text-sm);font-weight:500;transition:color var(--duration-fast);white-space:nowrap}.nav-link[data-astro-cid-3ef6ksr2]:focus-visible{color:var(--brand-link)}@media(hover:hover){.nav-link[data-astro-cid-3ef6ksr2]:hover{color:var(--brand-link)}.menu-btn[data-astro-cid-3ef6ksr2]:hover{background:var(--gray-50)}.mobile-close-btn[data-astro-cid-3ef6ksr2]:hover{background:var(--gray-50);color:var(--gray-900)}.mobile-nav-link[data-astro-cid-3ef6ksr2]:hover{background:var(--brand-primary-light);color:var(--brand-link)}}.menu-btn[data-astro-cid-3ef6ksr2]{display:none;width:36px;height:36px;align-items:center;justify-content:center;border:none;background:none;cursor:pointer;padding:0;border-radius:var(--radius-sm);transition:background var(--duration-fast)}.menu-btn[data-astro-cid-3ef6ksr2]:focus-visible{background:var(--gray-50)}.menu-icon[data-astro-cid-3ef6ksr2],.menu-icon[data-astro-cid-3ef6ksr2]:before,.menu-icon[data-astro-cid-3ef6ksr2]:after{display:block;width:20px;height:2px;background:var(--gray-900);border-radius:var(--radius-none);transition:transform var(--duration-fast),opacity var(--duration-fast)}.menu-icon[data-astro-cid-3ef6ksr2]{position:relative}.menu-icon[data-astro-cid-3ef6ksr2]:before,.menu-icon[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;left:0}.menu-icon[data-astro-cid-3ef6ksr2]:before{top:-8px}.menu-icon[data-astro-cid-3ef6ksr2]:after{top:8px}.mobile-drawer[data-astro-cid-3ef6ksr2]{position:fixed;top:0;right:0;width:300px;max-width:85vw;height:100vh;height:100dvh;z-index:200;background:var(--bg-white);border-left:1px solid var(--gray-200);padding:1.5rem;transform:translate(100%);transition:transform var(--duration-normal) cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}.mobile-drawer[data-astro-cid-3ef6ksr2].open{transform:translate(0)}.mobile-drawer-header[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;padding-bottom:1.25rem;margin-bottom:1.25rem;border-bottom:1px solid var(--gray-200)}.mobile-drawer-title[data-astro-cid-3ef6ksr2]{font-size:var(--text-base);font-weight:600;color:var(--gray-900)}.mobile-close-btn[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:none;background:none;cursor:pointer;border-radius:var(--radius-sm);color:var(--gray-600);transition:background var(--duration-fast),color var(--duration-fast)}.mobile-close-btn[data-astro-cid-3ef6ksr2]:focus-visible{background:var(--gray-50);color:var(--gray-900)}.mobile-nav[data-astro-cid-3ef6ksr2]{display:flex;flex-direction:column;gap:.25rem}.mobile-nav-link[data-astro-cid-3ef6ksr2]{display:block;padding:var(--space-3) var(--space-2);color:var(--gray-900);font-size:1rem;font-weight:500;border-radius:var(--radius-md);transition:background var(--duration-fast),color var(--duration-fast)}.mobile-nav-link[data-astro-cid-3ef6ksr2]:focus-visible{background:var(--brand-primary-light);color:var(--brand-link)}.mobile-overlay[data-astro-cid-3ef6ksr2]{position:fixed;inset:0;z-index:150;background:#00000059;opacity:0;pointer-events:none;transition:opacity var(--duration-normal)}.mobile-overlay[data-astro-cid-3ef6ksr2].open{opacity:1;pointer-events:auto}@media(prefers-color-scheme:dark){.header[data-astro-cid-3ef6ksr2]{background:var(--glass-bg);border-bottom-color:var(--glass-border)}.mobile-overlay[data-astro-cid-3ef6ksr2]{background:#0009}}@media(max-width:768px){.nav[data-astro-cid-3ef6ksr2]{display:none}.menu-btn[data-astro-cid-3ef6ksr2]{display:flex}}@media(max-width:600px){.header-inner[data-astro-cid-3ef6ksr2]{padding:0 1rem}}.footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--gray-200);background:var(--gray-50);margin-top:4rem}.footer-inner[data-astro-cid-sz7xmlte]{padding:3rem 1.5rem 1.5rem}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:2fr 1fr 1fr;gap:2rem;margin-bottom:2rem}.footer-brand[data-astro-cid-sz7xmlte]{font-weight:700;margin-bottom:.5rem}.footer-desc[data-astro-cid-sz7xmlte]{color:var(--gray-600);font-size:var(--text-sm);line-height:1.5;margin-bottom:1rem}.social[data-astro-cid-sz7xmlte]{display:flex;gap:.75rem}.social-link[data-astro-cid-sz7xmlte]{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;color:var(--gray-600);background:var(--bg-warm);border:1px solid var(--gray-200);transition:all .2s}@media(hover:hover){.social-link[data-astro-cid-sz7xmlte]:hover{border-color:var(--brand-primary)}}.social-link[data-astro-cid-sz7xmlte]:focus-visible{border-color:var(--brand-primary)}.social-link-wrap[data-astro-cid-sz7xmlte] svg[data-astro-cid-sz7xmlte]{transition:fill .2s}@media(hover:hover){.social-link-wrap[data-astro-cid-sz7xmlte]:hover svg[data-astro-cid-sz7xmlte]{fill:var(--brand-primary)}}.social-link-wrap[data-astro-cid-sz7xmlte]:focus-within svg[data-astro-cid-sz7xmlte]{fill:var(--brand-primary)}.icon-x[data-astro-cid-sz7xmlte],.icon-github[data-astro-cid-sz7xmlte]{fill:var(--gray-900)}.icon-xiaohongshu[data-astro-cid-sz7xmlte]{fill:var(--social-xiaohongshu)}.icon-wechat[data-astro-cid-sz7xmlte]{fill:var(--social-wechat)}@media(prefers-color-scheme:dark){.icon-x[data-astro-cid-sz7xmlte],.icon-github[data-astro-cid-sz7xmlte]{fill:var(--gray-600)}}.social-link-wrap[data-astro-cid-sz7xmlte]{position:relative}.social-link-wrap[data-astro-cid-sz7xmlte] .social-link[data-astro-cid-sz7xmlte]{cursor:pointer}.qr-popup[data-astro-cid-sz7xmlte]{display:none;position:absolute;bottom:calc(100% + 12px);left:50%;transform:translate(-50%);background:var(--bg-warm);border:1px solid var(--gray-200);border-radius:8px;padding:.5rem;box-shadow:0 4px 20px #0000001a;z-index:10}@media(hover:hover){.social-link-wrap[data-astro-cid-sz7xmlte]:hover .qr-popup[data-astro-cid-sz7xmlte]{display:block}}.social-link-wrap[data-astro-cid-sz7xmlte]:focus-within .qr-popup[data-astro-cid-sz7xmlte]{display:block}.qr-img[data-astro-cid-sz7xmlte]{display:block;width:120px;height:120px;border-radius:4px}.qr-label[data-astro-cid-sz7xmlte]{text-align:center;font-size:var(--text-xs);color:var(--gray-600);margin-top:var(--space-2)}.footer-label[data-astro-cid-sz7xmlte]{font-weight:600;margin-bottom:.75rem;font-size:var(--text-sm)}.footer[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none}.footer[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{margin-bottom:var(--space-2)}.footer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:var(--gray-600);font-size:var(--text-sm)}@media(hover:hover){.footer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--brand-link)}}.footer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:focus-visible{color:var(--brand-link)}.footer-bottom[data-astro-cid-sz7xmlte]{border-top:1px solid var(--gray-200);padding-top:1.5rem;text-align:center;color:var(--gray-600);font-size:var(--text-sm)}@media(max-width:600px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr}}main[data-astro-cid-tnnyocjb]{padding-top:var(--nav-height)}.skip-link[data-astro-cid-tnnyocjb]{position:absolute;top:-100%;left:0;padding:.5rem 1rem;background:var(--brand-primary-button);color:var(--text-on-brand);z-index:200;font-size:.875rem;text-decoration:none}.skip-link[data-astro-cid-tnnyocjb]:focus{top:0}.skip-link[data-astro-cid-tnnyocjb]:focus-visible{outline:none;box-shadow:var(--focus-ring)}