:root{color-scheme:light;--color-bg: #faf9f6;--color-surface: #ffffff;--color-fg: #292b27;--color-accent: #b44725;--color-accent-soft: #f5e9df;--color-on-accent: #ffffff;--color-muted: #f0eee8;--color-border: #e3e1d9;--color-fg-muted: #696b63;--font-body: var(--font-atkinson), "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-display: var(--font-fraunces, Georgia), "Songti SC", serif;--font-mono: var(--font-ibm-plex-mono, ui-monospace), "SFMono-Regular", Menlo, monospace;--page-width: 1160px;--reading-width: 720px;--page-gutter: clamp(1.25rem, 4vw, 2.5rem);--radius: 14px}[data-theme=dark]{color-scheme:dark;--color-bg: #1b1d1a;--color-surface: #232621;--color-fg: #eeeee6;--color-accent: #efa17f;--color-accent-soft: #352b23;--color-on-accent: #241c17;--color-muted: #292c26;--color-border: #3b3e35;--color-fg-muted: #a9ad9f}*,*:before,*:after{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:6rem}body{font-family:var(--font-body);margin:0;background:var(--color-bg);color:var(--color-fg);font-size:16px;line-height:1.8;overflow-wrap:break-word;min-height:100svh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}main{width:100%;max-width:840px;margin:0 auto;padding:3.5rem var(--page-gutter) 5rem;flex:1;min-width:0}main.page-wide{max-width:var(--page-width)}h1,h2,h3,h4,h5,h6{margin:0 0 .75rem;color:var(--color-fg);line-height:1.4;font-weight:700;text-wrap:pretty}h1{font-size:clamp(2rem,4vw,2.75rem);letter-spacing:-.035em}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}h5{font-size:1rem}strong,b{font-weight:700}a{color:var(--color-accent);text-underline-offset:.22em;text-decoration-thickness:1px}a:hover{text-decoration:underline}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}:focus-visible{outline:2px solid var(--color-accent);outline-offset:4px}::selection{background:var(--color-accent-soft);color:var(--color-fg)}p{margin:0 0 1em}img{max-width:100%;height:auto;border-radius:8px}table{width:100%;border-collapse:collapse;font-size:.9375rem}th,td{border:1px solid var(--color-border);padding:.75rem 1rem;text-align:left}th{background:var(--color-muted)}code{font-family:var(--font-mono);font-size:.85em;padding:.2em .4em;background:var(--color-muted);border-radius:4px;color:var(--color-fg);overflow-wrap:anywhere}pre{padding:1.5rem;border:1px solid var(--color-border);border-radius:10px;overflow-x:auto;background:var(--color-muted);line-height:1.7;tab-size:2}pre>code{all:unset;font-family:var(--font-mono);font-size:.8125rem}blockquote{border-left:3px solid var(--color-accent);padding:.85rem 1.25rem;margin:1.75rem 0;color:var(--color-fg-muted);background:var(--color-muted);border-radius:0 8px 8px 0}blockquote>:last-child{margin-bottom:0}hr{border:0;border-top:1px solid var(--color-border);margin:2.5rem 0}ul,ol{padding-left:1.5rem}li{margin-bottom:.35rem}[hidden]{display:none!important}.prose{max-width:var(--reading-width);min-width:0;margin:0 auto;font-size:1.0625rem;line-height:1.95}.prose h2,.prose h3,.prose h4{margin-top:2.75rem;margin-bottom:1rem;scroll-margin-top:1rem}.prose h2{padding-bottom:.5rem;border-bottom:1px solid var(--color-border)}.prose p{margin-bottom:1.5em}.prose img{display:block;margin:2rem auto}.prose li>p{margin-bottom:.5em}.prose table{display:block;overflow-x:auto;margin:1.75rem 0}.prose pre{margin:1.75rem 0}.video-embed{position:relative;width:100%;aspect-ratio:16 / 9;margin:2rem 0;border-radius:10px;overflow:hidden;background:var(--color-muted)}.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.eyebrow{font-family:var(--font-mono);font-size:.7rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--color-fg-muted)}.text-link{color:var(--color-fg);font-size:.875rem;text-decoration:none}.text-link:hover{color:var(--color-accent)}.button-link{display:inline-flex;justify-content:center;align-items:center;gap:1rem;min-height:44px;padding:.6rem 1.15rem;border:1px solid var(--color-border);border-radius:8px;color:var(--color-fg);background:var(--color-surface);font-size:.875rem;font-weight:700;text-decoration:none}.button-link:hover{border-color:var(--color-accent);color:var(--color-accent);text-decoration:none}.button-link.primary{background:var(--color-fg);border-color:var(--color-fg);color:var(--color-bg)}.button-link.primary:hover{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-on-accent)}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:640px){main{padding-top:2rem;padding-bottom:3rem}.prose{font-size:1rem}pre{padding:1rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--color-border);color:var(--color-fg-muted);font-size:.8125rem}.footer-inner[data-astro-cid-sz7xmlte]{max-width:var(--page-width);margin:auto;padding:2rem var(--page-gutter);display:flex;justify-content:space-between;gap:1.5rem;align-items:center}.footer-brand[data-astro-cid-sz7xmlte]{font-family:var(--font-display);font-size:1.4rem;color:var(--color-fg);text-decoration:none}.footer-brand[data-astro-cid-sz7xmlte] span[data-astro-cid-sz7xmlte]{color:var(--color-accent)}p[data-astro-cid-sz7xmlte]{margin:.25rem 0 0}nav[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;gap:.25rem 1.5rem}nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{display:inline-flex;align-items:center;gap:.35rem;min-height:44px;color:var(--color-fg-muted);text-decoration:none}nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-accent)}@media(max-width:640px){.footer-inner[data-astro-cid-sz7xmlte]{align-items:flex-start;flex-direction:column;gap:1rem}}a[data-astro-cid-eimmu3lg]{display:inline-flex;align-items:center;min-height:44px;padding:.5rem .75rem;border-radius:6px;font-size:.875rem;color:var(--color-fg-muted);text-decoration:none;transition:color .15s,background .15s}a[data-astro-cid-eimmu3lg]:hover{color:var(--color-fg);background:var(--color-muted);text-decoration:none}a[data-astro-cid-eimmu3lg].active{color:var(--color-accent);font-weight:700}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:100;border-bottom:1px solid var(--color-border);background:color-mix(in srgb,var(--color-bg) 94%,transparent);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}nav[data-astro-cid-3ef6ksr2]{max-width:var(--page-width);min-height:80px;padding:0 var(--page-gutter);margin:auto;display:flex;align-items:center;gap:2rem}.site-title[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.75rem;margin-right:auto;color:var(--color-fg);text-decoration:none;flex-shrink:0}.brand-mark[data-astro-cid-3ef6ksr2]{display:grid;place-content:center;grid-auto-flow:column;width:38px;height:38px;border:1px solid var(--color-border);border-radius:10px;background:var(--color-surface);font-family:Georgia,serif;font-size:1.75rem;font-weight:700;line-height:1}.brand-mark[data-astro-cid-3ef6ksr2]>span[data-astro-cid-3ef6ksr2]{color:var(--color-accent)}.brand-copy[data-astro-cid-3ef6ksr2]{font-size:1.15rem;font-weight:700;letter-spacing:-.025em}.brand-subtitle[data-astro-cid-3ef6ksr2]{margin-left:.2em;font-size:.875rem;font-weight:400;letter-spacing:0}.nav-links[data-astro-cid-3ef6ksr2],.nav-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.5rem}.nav-dropdown[data-astro-cid-3ef6ksr2]{position:relative}summary[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.4rem;min-height:44px;padding:.5rem .75rem;color:var(--color-fg-muted);font-size:.875rem;cursor:pointer;list-style:none;border-radius:6px}summary[data-astro-cid-3ef6ksr2]::-webkit-details-marker{display:none}summary[data-astro-cid-3ef6ksr2]:hover,summary[data-astro-cid-3ef6ksr2].active{color:var(--color-accent)}.chevron[data-astro-cid-3ef6ksr2]{transition:transform .15s}details[data-astro-cid-3ef6ksr2][open] .chevron[data-astro-cid-3ef6ksr2]{transform:rotate(180deg)}.dropdown-links[data-astro-cid-3ef6ksr2]{position:absolute;top:calc(100% + 8px);left:0;min-width:150px;padding:.4rem;border:1px solid var(--color-border);background:var(--color-surface);border-radius:10px;box-shadow:0 12px 35px #0000000d}.dropdown-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:block;padding:.55rem .75rem;font-size:.875rem;color:var(--color-fg-muted);border-radius:6px;text-decoration:none}.dropdown-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover,.dropdown-links[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current]{color:var(--color-accent);background:var(--color-muted)}.lang-switch[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.125rem;padding:.2rem;border:1px solid var(--color-border);border-radius:8px}.lang-opt[data-astro-cid-3ef6ksr2]{display:grid;place-items:center;min-width:30px;min-height:32px;padding:0 .3rem;font-size:.75rem;color:var(--color-fg-muted);border-radius:5px;text-decoration:none}.lang-opt[data-astro-cid-3ef6ksr2].active{background:var(--color-muted);color:var(--color-fg)}.lang-opt[data-astro-cid-3ef6ksr2]:hover{color:var(--color-accent)}.icon-button[data-astro-cid-3ef6ksr2]{display:grid;place-items:center;width:40px;height:40px;padding:0;background:transparent;border:1px solid var(--color-border);border-radius:50%;color:var(--color-fg)}.icon-button[data-astro-cid-3ef6ksr2]:hover{background:var(--color-muted)}[data-theme=dark] .icon-moon[data-astro-cid-3ef6ksr2],[data-theme=light] .icon-sun[data-astro-cid-3ef6ksr2],#menu-toggle[data-astro-cid-3ef6ksr2],.close-lines[data-astro-cid-3ef6ksr2],#menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .menu-lines[data-astro-cid-3ef6ksr2]{display:none}#menu-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .close-lines[data-astro-cid-3ef6ksr2]{display:block}.skip-link[data-astro-cid-3ef6ksr2]{position:absolute;top:-100px;left:1rem;padding:.5rem 1rem;background:var(--color-surface);z-index:120}.skip-link[data-astro-cid-3ef6ksr2]:focus{top:.5rem}@media(max-width:900px){nav[data-astro-cid-3ef6ksr2]{min-height:68px;gap:.75rem;flex-wrap:wrap}.nav-links[data-astro-cid-3ef6ksr2]{order:3;flex:1 0 100%;padding:.5rem 0 1rem;flex-wrap:wrap}.site-header[data-astro-cid-3ef6ksr2][data-enhanced] .nav-links[data-astro-cid-3ef6ksr2]{display:none}.site-header[data-astro-cid-3ef6ksr2][data-enhanced] #menu-toggle[data-astro-cid-3ef6ksr2]{display:grid}.site-header[data-astro-cid-3ef6ksr2][data-menu-open] .nav-links[data-astro-cid-3ef6ksr2]{display:flex;align-items:stretch;flex-direction:column}.dropdown-links[data-astro-cid-3ef6ksr2]{position:static;box-shadow:none;border:none;background:var(--color-muted);margin:.25rem .75rem}.nav-actions[data-astro-cid-3ef6ksr2]{margin-left:auto}}@media(max-width:440px){.brand-subtitle[data-astro-cid-3ef6ksr2]{display:none}.site-title[data-astro-cid-3ef6ksr2]{gap:.5rem}.brand-mark[data-astro-cid-3ef6ksr2]{width:34px;height:34px}.nav-actions[data-astro-cid-3ef6ksr2]{gap:.4rem}}@media(max-width:360px){.has-languages[data-astro-cid-3ef6ksr2] .brand-copy[data-astro-cid-3ef6ksr2]{display:none}}