:root{color-scheme:light;--bg: #f6f7f8;--paper: #ffffff;--paper-strong: #ffffff;--paper-muted: #eef1f4;--text: #17191c;--text-soft: #4c5560;--text-muted: #8a929b;--line: rgba(23, 25, 28, .08);--line-strong: rgba(23, 25, 28, .14);--hover-outline: rgba(23, 25, 28, .5);--accent: var(--theme-color, #2D96E4);--accent-strong: color-mix(in srgb, var(--accent) 70%, var(--text));--accent-soft: color-mix(in srgb, var(--accent) 16%, transparent);--mark: #17191c;--mark-soft: rgba(23, 25, 28, .055);--code-bg: #1f242b;--code-text: #f4f7fb;--code-muted: #aeb8c5;--code-line: rgba(255, 255, 255, .1);--shadow: 0 10px 26px rgba(23, 25, 28, .052);--shadow-soft: 0 4px 10px rgba(23, 25, 28, .038);--shadow-footer: 0 -3px 10px rgba(23, 25, 28, .035);--zoom-backdrop: rgba(246, 247, 248, .86);--scrollbar-thumb: rgba(23, 25, 28, .22);--scrollbar-thumb-hover: rgba(23, 25, 28, .34);--mobile-submenu-bg: color-mix(in srgb, var(--accent) 2%, #f8fafb);--mobile-submenu-line: rgba(23, 25, 28, .075);--card-radius: 6px;--cover-radius: 4px;--marker-width: 28px;--radius: 6px;--radius-sm: 3px;--sans: "Segoe UI", "PingFang SC", "Microsoft YaHei UI", sans-serif;--serif: var(--sans);--mono: var(--sans)}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--bg: #25282d;--paper: #2c3036;--paper-strong: #333840;--paper-muted: #3a4048;--text: #f5f7f9;--text-soft: #d5dbe1;--text-muted: #a7b0ba;--line: rgba(245, 247, 249, .09);--line-strong: rgba(245, 247, 249, .16);--hover-outline: rgba(245, 247, 249, .5);--accent: var(--theme-color, #2D96E4);--accent-strong: color-mix(in srgb, var(--accent) 68%, #ffffff);--accent-soft: color-mix(in srgb, var(--accent) 18%, transparent);--mark: #f1f3f4;--mark-soft: rgba(241, 243, 244, .08);--code-bg: #1f242b;--code-text: #f4f7fb;--code-muted: #aeb8c5;--code-line: rgba(255, 255, 255, .1);--shadow: 0 12px 28px rgba(0, 0, 0, .14);--shadow-soft: 0 5px 12px rgba(0, 0, 0, .1);--shadow-footer: 0 -3px 10px rgba(0, 0, 0, .1);--zoom-backdrop: rgba(37, 40, 45, .82);--scrollbar-thumb: rgba(245, 247, 249, .18);--scrollbar-thumb-hover: rgba(245, 247, 249, .28);--mobile-submenu-bg: color-mix(in srgb, var(--paper-muted) 62%, var(--paper-strong));--mobile-submenu-line: rgba(245, 247, 249, .07)}}:root[data-theme=dark]{color-scheme:dark;--bg: #25282d;--paper: #2c3036;--paper-strong: #333840;--paper-muted: #3a4048;--text: #f5f7f9;--text-soft: #d5dbe1;--text-muted: #a7b0ba;--line: rgba(245, 247, 249, .09);--line-strong: rgba(245, 247, 249, .16);--hover-outline: rgba(245, 247, 249, .5);--accent: var(--theme-color, #2D96E4);--accent-strong: color-mix(in srgb, var(--accent) 68%, #ffffff);--accent-soft: color-mix(in srgb, var(--accent) 18%, transparent);--mark: #f1f3f4;--mark-soft: rgba(241, 243, 244, .08);--code-bg: #1f242b;--code-text: #f4f7fb;--code-muted: #aeb8c5;--code-line: rgba(255, 255, 255, .1);--shadow: 0 12px 28px rgba(0, 0, 0, .14);--shadow-soft: 0 5px 12px rgba(0, 0, 0, .1);--shadow-footer: 0 -3px 10px rgba(0, 0, 0, .1);--zoom-backdrop: rgba(37, 40, 45, .82);--scrollbar-thumb: rgba(245, 247, 249, .18);--scrollbar-thumb-hover: rgba(245, 247, 249, .28);--mobile-submenu-bg: color-mix(in srgb, var(--paper-muted) 62%, var(--paper-strong));--mobile-submenu-line: rgba(245, 247, 249, .07)}*{box-sizing:border-box}html{overflow-y:auto;scroll-behavior:smooth;background:linear-gradient(180deg,var(--paper-strong) 0,var(--bg) 420px);scrollbar-color:var(--scrollbar-thumb) transparent;scrollbar-width:thin}html::-webkit-scrollbar{width:8px}html::-webkit-scrollbar-track{background:transparent}html::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border:0;border-radius:999px}html::-webkit-scrollbar-thumb:hover{background:var(--scrollbar-thumb-hover)}body{display:flex;flex-direction:column;margin:0;min-height:100vh;min-width:320px;overflow-x:hidden;overflow-x:clip;color:var(--text);background:linear-gradient(180deg,var(--paper-strong) 0,var(--bg) 420px);font-family:var(--sans);font-size:15px;line-height:1.68;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration-color:color-mix(in srgb,currentColor 24%,transparent);text-decoration-thickness:.06em;text-underline-offset:.24em}a:hover{color:var(--accent-strong);text-decoration-color:currentColor}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}img{max-width:100%;height:auto}button{font:inherit}main{flex:1 0 auto;min-height:0}.container{width:min(1160px,calc(100vw - 40px));margin-left:max(20px,calc((100vw - 1160px)/2));margin-right:auto}.narrow{width:min(820px,calc(100vw - 40px));margin-left:max(20px,calc((100vw - 820px)/2));margin-right:auto}.site-header{position:sticky;top:0;z-index:30;background:color-mix(in srgb,var(--paper-strong) 86%,transparent);border-bottom:0;box-shadow:var(--shadow-soft);backdrop-filter:blur(14px) saturate(1.06);-webkit-backdrop-filter:blur(14px) saturate(1.06)}.header-inner{position:relative;display:grid;grid-template-columns:minmax(210px,auto) minmax(0,1fr) auto;align-items:center;gap:20px;min-height:62px}.site-header.has-icon-only-brand .header-inner{grid-template-columns:auto minmax(0,1fr) auto}.brand{display:inline-grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:10px;min-width:0;text-decoration:none}.brand.icon-only{grid-template-columns:auto;gap:0}.brand img{height:36px;width:auto;max-width:140px;object-fit:contain;border-radius:var(--radius-sm)}.brand strong{display:block;overflow:hidden;max-width:210px;text-overflow:ellipsis;white-space:nowrap;font-size:.96rem;font-weight:700;line-height:1.2}.top-nav{display:flex;align-items:center;justify-content:flex-end;gap:2px;min-width:0}.top-nav::-webkit-scrollbar{display:none}@media(min-width:721px){.top-nav.has-open-submenu{overflow:visible}}.nav-item{position:relative;flex:0 0 auto}.nav-item.has-children:after{content:"";position:absolute;top:100%;right:0;left:0;height:10px}.top-nav .nav-link,.top-nav .submenu-link,.theme-toggle,.nav-toggle,.submenu-toggle,.meta-link,.tag-cloud a,.tag-index a,.copy-code,.button{border-radius:var(--radius-sm)}.top-nav .nav-link,.top-nav .submenu-link{position:relative;display:inline-flex;align-items:center;min-height:32px;padding:6px 10px;color:var(--text-soft);font:inherit;font-size:.84rem;line-height:1.2;text-decoration:none;white-space:nowrap;background:transparent;border:0}a.nav-link,button.nav-link,a.submenu-link,button.submenu-link{cursor:pointer}.submenu-toggle{display:none}.top-nav .nav-link:after{content:"";position:absolute;left:50%;bottom:3px;width:var(--marker-width);height:2px;background:color-mix(in srgb,var(--accent) 58%,var(--line));border-radius:999px;opacity:0;transform:translate(-50%) scaleX(.62);transition:opacity .16s ease,transform .16s ease}.top-nav .nav-link:hover,.top-nav .nav-link.active{color:var(--text)}.top-nav .nav-link:hover:after,.top-nav .nav-link.active:after{opacity:1;transform:translate(-50%) scaleX(1)}.nav-item.has-active-child>.nav-link{color:var(--text)}.nav-item.has-children>.nav-link{padding-right:22px}.nav-item.has-children>.nav-link:before{content:"";position:absolute;right:9px;top:50%;width:5px;height:5px;border-right:1px solid currentColor;border-bottom:1px solid currentColor;transform:translateY(-62%) rotate(45deg);opacity:.68}.submenu{position:absolute;top:calc(100% + 4px);left:50%;z-index:40;display:grid;gap:2px;min-width:150px;padding:7px;background:var(--paper-strong);border:1px solid var(--line);border-radius:var(--card-radius);box-shadow:var(--shadow);opacity:0;visibility:hidden;pointer-events:none;transform:translate(-50%,4px);transition:opacity .16s ease,transform .16s ease,visibility 0s linear .16s}.nav-item:hover .submenu,.nav-item:focus-within .submenu,.nav-item.is-submenu-open .submenu{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%);transition-delay:0s}.submenu .submenu-link{justify-content:flex-start;padding:9px 10px}.submenu .submenu-link:after{display:none}.submenu .submenu-link:hover,.submenu .submenu-link.active{color:var(--accent-strong);background:var(--accent-soft)}.header-actions{position:relative;z-index:42;display:flex;align-items:center;gap:8px;justify-self:end}.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:38px;height:38px;padding:0;color:var(--text);background:transparent;border:1px solid var(--line-strong);cursor:pointer;transition:border-color .16s ease,color .16s ease}.nav-toggle:hover{border-color:var(--hover-outline);color:var(--text)}.nav-toggle span{width:16px;height:2px;margin-inline:auto;background:currentColor;border-radius:999px;transition:transform .16s ease,opacity .16s ease}.site-header[data-nav-open=true] .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}.site-header[data-nav-open=true] .nav-toggle span:nth-child(2){opacity:0}.site-header[data-nav-open=true] .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;color:var(--text);background:transparent;border:1px solid var(--line-strong);cursor:pointer;transition:border-color .16s ease,color .16s ease}.theme-toggle:hover{border-color:var(--hover-outline);color:var(--text)}.page-grid{display:grid;grid-template-columns:minmax(0,858px) 286px;justify-content:start;gap:16px;align-items:start;padding:24px 0 66px}.main-column{min-width:0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:12px}.section-heading.large{margin-bottom:14px;padding:0 0 12px;border-bottom:1px solid var(--line-strong)}.section-heading h1,.section-heading h2,.page-head h1,.article-header h1{margin:0;font-weight:760;line-height:1.18;letter-spacing:0}.section-heading h1{font-family:var(--serif);font-size:1.3rem}.section-heading h2{font-size:.88rem;text-transform:uppercase}.heading-icon{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;margin-right:7px;color:var(--paper);background:var(--text);border-radius:var(--radius-sm);font-family:var(--mono);font-size:.66rem;font-weight:800;line-height:1;vertical-align:.1em}.eyebrow{margin:0 0 6px;color:var(--accent-strong);font-family:var(--mono);font-size:.68rem;font-weight:800;line-height:1.25;text-transform:uppercase}.article-list{display:grid;gap:16px}.home-banner{position:relative;width:100%;margin-bottom:16px;overflow:hidden;aspect-ratio:3 / 1;background:var(--paper-muted);border:1px solid transparent;border-radius:var(--card-radius);box-shadow:var(--shadow-soft);touch-action:pan-y;transition:border-color .18s ease}.home-banner:hover{border-color:var(--hover-outline)}.home-banner-track{position:absolute;inset:0;display:flex;height:100%;transform:translate3d(calc(var(--home-banner-offset, 0%) + var(--home-banner-drag, 0px)),0,0);transition:transform .36s cubic-bezier(.22,.76,.24,1);will-change:transform}.home-banner-track.is-instant,.home-banner.is-dragging .home-banner-track{transition:none}.home-banner-slide,.home-banner-slide a{position:relative;display:block;flex:0 0 100%;height:100%;user-select:none;-webkit-user-drag:none}.home-banner.is-dragging{cursor:grabbing}.home-banner-slide img{width:100%;height:100%;object-fit:cover;filter:saturate(.98) contrast(1.02);user-select:none;-webkit-user-drag:none}.home-banner-nav{position:absolute;top:50%;z-index:2;display:grid;place-items:center;width:38px;height:38px;padding:0;color:var(--text);background:color-mix(in srgb,var(--paper-strong) 34%,transparent);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-soft);cursor:pointer;line-height:1;opacity:0;pointer-events:none;transform:translateY(-50%);backdrop-filter:blur(12px) saturate(1.08);-webkit-backdrop-filter:blur(12px) saturate(1.08);transition:opacity .16s ease,background .16s ease,border-color .16s ease}.home-banner-nav:hover{background:color-mix(in srgb,var(--paper-strong) 44%,transparent);border-color:var(--accent)}.home-banner-nav svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.45;transform:translateY(-.5px)}.home-banner-prev{left:14px}.home-banner-next{right:14px}.home-banner-dots{position:absolute;right:50%;bottom:8px;z-index:3;display:flex;gap:5px;align-items:center;padding:3px 6px;background:color-mix(in srgb,var(--paper-strong) 32%,transparent);border:1px solid color-mix(in srgb,var(--line) 48%,transparent);border-radius:999px;opacity:0;pointer-events:none;transform:translate(50%);backdrop-filter:blur(12px) saturate(1.08);-webkit-backdrop-filter:blur(12px) saturate(1.08);transition:opacity .16s ease,background .16s ease}.home-banner-dot{display:grid;place-items:center;width:14px;height:14px;padding:0;background:transparent;border:0;cursor:pointer}.home-banner-dot span{width:5px;height:5px;background:color-mix(in srgb,var(--text) 44%,transparent);border-radius:999px;transition:background .16s ease,transform .16s ease}.home-banner-dot:hover span,.home-banner-dot[aria-current=true] span{background:var(--accent-strong);transform:scale(1.24)}.home-banner.is-touch-dots .home-banner-dots{opacity:1;pointer-events:none}@media(hover:hover)and (pointer:fine){.home-banner:hover .home-banner-nav,.home-banner:hover .home-banner-dots{opacity:1;pointer-events:auto}@supports selector(:has(*)){.home-banner:has(.home-banner-nav:focus-visible) .home-banner-nav,.home-banner:has(.home-banner-dot:focus-visible) .home-banner-nav,.home-banner:has(.home-banner-nav:focus-visible) .home-banner-dots,.home-banner:has(.home-banner-dot:focus-visible) .home-banner-dots{opacity:1;pointer-events:auto}}}.article-card{position:relative;display:grid;grid-template-columns:246px minmax(0,1fr);gap:18px;padding:12px;background:var(--paper-strong);border:1px solid transparent;border-radius:var(--card-radius);box-shadow:var(--shadow-soft);transition:border-color .18s ease}.article-card:hover{border-color:var(--hover-outline)}.card-cover{grid-column:1;position:relative;display:block;overflow:hidden;min-height:150px;aspect-ratio:16 / 10;background:var(--paper-muted);border:0;border-radius:var(--cover-radius)}.card-cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 62%,rgba(0,0,0,.16));opacity:0;transition:opacity .18s ease}.article-card:hover .card-cover:after{opacity:0}.card-cover img{width:100%;height:100%;min-height:150px;object-fit:cover;filter:saturate(.96) contrast(1.02);transition:transform .22s ease,filter .22s ease}.article-card:hover .card-cover img{filter:saturate(1.02) contrast(1.04);transform:scale(1.02)}.card-body{grid-column:2;display:flex;flex-direction:column;min-width:0;padding:2px 0}.pin-label{position:absolute;top:8px;right:8px;z-index:2;display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:20px;padding:0 8px;color:#fff;background:color-mix(in srgb,#e45b3e 72%,var(--accent));border:1px solid color-mix(in srgb,#e45b3e 36%,rgba(255,255,255,.5));border-radius:999px;box-shadow:0 5px 12px color-mix(in srgb,#e45b3e 24%,rgba(23,25,28,.16));font-size:.66rem;font-weight:520;letter-spacing:.02em;line-height:1;backdrop-filter:blur(10px) saturate(1.04)}.card-body h2{display:-webkit-box;min-width:0;margin:0;overflow:hidden;font-family:var(--serif);font-size:1.08rem;font-weight:760;line-height:1.36;letter-spacing:0;-webkit-box-orient:vertical;-webkit-line-clamp:2}.card-body h2 a{text-decoration:none}.card-body p{display:-webkit-box;margin:8px 0 14px;overflow:hidden;color:var(--text-soft);font-size:.9rem;line-height:1.58;-webkit-box-orient:vertical;-webkit-line-clamp:2}.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:auto;color:var(--text-muted);font-size:.78rem}.post-meta time{display:inline-flex;align-items:center;gap:5px;color:var(--text-muted);font-family:var(--mono);font-size:.74rem}.meta-date-icon,.meta-tag-icon{width:14px;height:14px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.35;opacity:.7;flex:0 0 auto}.meta-link{padding:2px 7px;color:var(--text-soft);background:transparent;border:0;text-decoration:none}.meta-link.category{color:var(--accent-strong);background:color-mix(in srgb,var(--accent-soft) 72%,transparent);border:1px solid color-mix(in srgb,var(--accent) 24%,transparent)}.sidebar{position:sticky;top:82px;display:grid;gap:22px}.sidebar-card{padding:22px;background:var(--paper-strong);border-radius:var(--card-radius);box-shadow:var(--shadow-soft)}.sidebar-card+.sidebar-card{padding-top:22px}.author-card{position:relative;overflow:hidden;display:grid;grid-template-columns:50px auto minmax(0,1fr);align-items:center;gap:14px;justify-items:start;padding:16px 22px;text-align:left}.author-card img{position:relative;z-index:1;width:50px;height:50px;border-radius:var(--radius-sm);object-fit:cover}.author-card img.is-circle-mask{border-radius:999px}.author-card-divider{position:relative;z-index:1;width:1px;height:34px;background:var(--line-strong)}.author-card-body{position:relative;z-index:1;display:grid;gap:4px;min-width:0;justify-items:start}.author-card h2,.list-card h2,.tag-card h2,.toc h2{margin:0;font-size:.88rem;font-weight:780;line-height:1.3}.list-card .section-heading,.tag-card .section-heading{display:grid;gap:8px;margin-bottom:10px}.list-card .section-heading:after,.tag-card .section-heading:after{content:"";grid-column:1 / -1;width:var(--marker-width);height:2px;background:color-mix(in srgb,var(--accent) 58%,var(--line));border-radius:999px}.list-card .section-heading,.tag-card .section-heading{grid-template-columns:minmax(0,1fr) auto;align-items:center}.author-card p:last-child{display:-webkit-box;margin:0;overflow:hidden;color:var(--text-muted);font-size:.74rem;font-weight:400;line-height:1.48;opacity:.58;-webkit-box-orient:vertical;-webkit-line-clamp:2}.list-card ul{display:grid;gap:0;margin:0;padding:0;list-style:none}.list-card li a{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px solid var(--line);text-decoration:none}.list-card li:last-child a{border-bottom:0}.list-card small,.tag-cloud small,.tag-index small{color:var(--text-muted);font-family:var(--mono);font-size:.7rem}.more-link{display:inline-flex;color:var(--accent-strong);font-size:.84rem;font-weight:760;text-decoration:none}.list-card .section-heading .more-link,.tag-card .section-heading .more-link{color:var(--text-muted);font-size:.74rem;font-weight:400;opacity:.58}.list-card .section-heading .more-link:before,.tag-card .section-heading .more-link:before{content:"+";margin-right:3px;font-weight:400}.tag-cloud,.tag-index{display:flex;flex-wrap:wrap;gap:8px}.tag-cloud a,.tag-index a{display:inline-flex;align-items:baseline;gap:6px;padding:5px 8px;background:var(--paper);border:1px solid var(--line);font-size:.84rem;line-height:1.35;text-decoration:none}.tag-cloud a:hover,.tag-index a:hover{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}.tag-index{gap:8px}.tag-index a{gap:7px;padding:7px 11px;font-size:1.18rem}.tag-index small{font-size:.7rem}.page-head{padding:38px 0 22px}.page-head h1{font-family:var(--serif);font-size:1.72rem}.page-head p:last-child{max-width:680px;margin:9px 0 0;color:var(--text-soft);font-size:.94rem}.error-page{display:grid;justify-items:start;align-content:center;min-height:min(520px,calc(100vh - 220px));padding-top:54px;padding-bottom:64px}.error-code{margin:0 0 8px;color:var(--accent-strong);font-family:var(--mono);font-size:clamp(3.8rem,11vw,7rem);font-weight:850;line-height:.95}.error-page h1{margin:0;font-family:var(--serif);font-size:clamp(1.72rem,4vw,2.42rem);line-height:1.18}.error-copy{max-width:520px;margin:12px 0 0;color:var(--text-soft);font-size:.96rem;line-height:1.7}.archive-list,.taxonomy-grid,.tag-index{padding-bottom:64px}.archive-group{padding:18px 0;border-top:1px solid var(--line)}.archive-group h2{margin:0 0 10px;color:var(--accent-strong);font-family:var(--mono);font-size:.86rem;font-weight:800}.archive-group ul{display:grid;gap:8px;margin:0;padding:0;list-style:none}.archive-group li{display:grid;grid-template-columns:112px minmax(0,1fr);gap:12px;align-items:baseline}.archive-group time{color:var(--text-muted);font-family:var(--mono);font-size:.7rem}.taxonomy-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.taxonomy-card{min-height:104px;padding:13px;background:var(--paper);border:1px solid var(--line);border-radius:var(--card-radius);text-decoration:none;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.taxonomy-card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.taxonomy-card-head,.page-title-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.taxonomy-card-head{margin-bottom:7px}.taxonomy-card-head span,.page-title-row span{color:var(--text-muted);font-size:.78rem;font-weight:400;white-space:nowrap}.taxonomy-card h2,.taxonomy-card h3{margin:0;font-family:var(--serif);font-size:1.06rem;font-weight:760;line-height:1.3}.taxonomy-card p{margin:0;color:var(--text-soft);font-size:.84rem;line-height:1.52}.link-card{display:grid;align-content:start;min-height:78px;gap:6px;padding:10px 12px}.link-card-head{display:flex;align-items:center;gap:9px;min-width:0}.link-card p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.link-avatar{flex:0 0 auto;width:28px;height:28px;object-fit:cover;background:var(--paper-muted);border:1px solid var(--line);border-radius:var(--radius-sm)}.link-groups{display:grid;gap:16px;padding-bottom:64px}.link-group{display:grid;gap:8px}.link-group .taxonomy-grid{padding-bottom:0}.link-group>h2{margin:0;color:var(--accent-strong);font-size:.9rem;font-weight:800}.article-layout{display:grid;grid-template-columns:minmax(0,858px) 286px;justify-content:start;gap:16px;align-items:start;padding:24px 0 66px}.article-main{min-width:0;padding:28px 30px 34px;background:var(--paper-strong);border-radius:var(--card-radius);box-shadow:var(--shadow-soft)}.article-header{padding-bottom:22px;border-bottom:1px solid var(--line)}.article-header h1{max-width:760px;font-family:var(--serif);font-size:1.9rem;font-weight:780}.article-description{display:none;max-width:700px;margin:10px 0 14px;color:var(--text-soft);font-size:.96rem}.article-cover{display:none;width:100%;margin-top:18px;aspect-ratio:16 / 8;object-fit:cover;background:var(--paper-muted);border:1px solid var(--line);border-radius:var(--radius-sm);filter:grayscale(.04) contrast(1.02)}.article-header .post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:14px}.article-header .post-meta time,.article-header .post-meta .meta-link.category{flex:0 0 auto}.article-header .post-meta time,.article-header .meta-link{display:inline-flex;align-items:center;gap:5px;min-height:24px;padding:2px 7px;color:var(--text-soft);background:transparent;border:0;border-radius:var(--radius-sm);font-family:var(--sans);font-size:.78rem;line-height:1.2}.article-header .post-meta time{color:var(--text-muted);padding-left:0}.article-header .meta-link.category{color:var(--accent-strong);background:color-mix(in srgb,var(--accent-soft) 72%,transparent);border:1px solid color-mix(in srgb,var(--accent) 24%,transparent)}.article-header .meta-link.tag{padding-right:3px;padding-left:3px;color:var(--text-muted)}.article-header .meta-tags{display:flex;flex:0 0 100%;flex-wrap:wrap;align-items:center;gap:5px;color:var(--text-muted)}.article-aside{position:sticky;top:82px}.toc{position:sticky;top:82px;display:grid;gap:14px;padding:22px;background:var(--paper-strong);border-radius:var(--card-radius);box-shadow:var(--shadow-soft)}.toc h2{display:grid;gap:10px}.toc h2:after{content:"";width:var(--marker-width);height:2px;background:color-mix(in srgb,var(--accent) 58%,var(--line));border-radius:999px}.toc ol{display:grid;gap:2px;margin:0;padding:0;list-style:none}.toc a{display:block;padding:5px 0;color:var(--text-muted);font-size:.83rem;line-height:1.5;text-decoration:none;transition:color .16s ease}.toc a:hover{color:var(--accent-strong)}.toc li:not(.is-visible):not(.depth-2){display:none}.toc li.is-active a,.toc a[aria-current=true]{color:var(--text);font-weight:400}.toc .depth-3{padding-left:13px}.toc .depth-4{padding-left:26px}.toc .depth-4 a{font-size:.78rem}.prose{margin-top:26px;font-size:1rem;padding-inline:6px}.prose.standalone{margin-top:0;padding-bottom:58px}.prose :where(h2,h3,h4){scroll-margin-top:96px;margin:1.85em 0 .66em;color:var(--text);font-weight:780;line-height:1.25;letter-spacing:0}.prose h2{padding-top:.58em;border-top:1px solid var(--line-strong);font-family:var(--serif);font-size:1.34rem}.prose h3{font-size:1.12rem}.prose h4{font-size:1rem}.prose p,.prose li{color:var(--text-soft)}.prose p{margin:0 0 1em}.prose ul,.prose ol{padding-left:1.45em}.prose li+li{margin-top:.24em}.prose a{color:var(--accent-strong);font-weight:700}.prose blockquote{margin:20px 0;padding:12px 16px;color:var(--text-soft);background:color-mix(in srgb,var(--mark-soft) 42%,transparent);border-left:3px solid color-mix(in srgb,var(--accent) 42%,transparent);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.prose blockquote p{margin:0;color:inherit}.prose blockquote p+p{margin-top:.72em}.prose code:not(pre code){padding:.12em .36em;color:color-mix(in srgb,var(--accent-strong) 82%,var(--text));background:color-mix(in srgb,var(--accent-soft) 70%,var(--paper));border:1px solid color-mix(in srgb,var(--accent) 18%,transparent);border-radius:5px;font-family:var(--mono);font-size:.9em}.prose pre{position:relative;overflow-x:auto;margin:24px 0;padding:50px 18px 18px;color:var(--code-text);background:var(--code-bg);border:1px solid var(--code-line);border-radius:var(--card-radius);box-shadow:none}.prose pre:before{content:"";position:absolute;top:18px;left:18px;width:11px;height:11px;background:#ff5f57;border-radius:999px;box-shadow:18px 0 #ffbd2e,36px 0 #28c840}.prose pre[data-language-label]:after{content:attr(data-language-label);position:absolute;top:15px;left:50%;color:var(--code-muted);font-family:var(--mono);font-size:.72rem;font-weight:780;letter-spacing:.08em;line-height:1;transform:translate(-50%)}.prose pre code{font-family:var(--mono);font-size:.84rem;line-height:1.72}.astro-code{background-color:var(--code-bg)!important;color:var(--shiki-dark, var(--code-text))!important}.astro-code span{background-color:transparent!important;color:var(--shiki-dark, var(--code-text))!important}.copy-code{position:absolute;top:10px;right:10px;padding:5px 10px;color:var(--code-text);background:#ffffff14;border:1px solid rgba(255,255,255,.18);cursor:pointer;font-family:var(--mono);font-size:.74rem;font-weight:760;line-height:1.35;backdrop-filter:blur(8px);transition:background .16s ease,border-color .16s ease}.copy-code:hover{background:#ffffff24;border-color:#ffffff52}.prose table{display:block;width:max-content;max-width:100%;overflow-x:auto;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--radius-sm)}.prose th,.prose td{padding:9px 11px;border:1px solid var(--line);vertical-align:top}.prose th{color:var(--text);background:var(--paper-muted);font-weight:760}.prose tr:nth-child(2n) td{background:color-mix(in srgb,var(--paper-muted) 42%,transparent)}.prose hr{margin:30px 0;border:0;border-top:1px solid var(--line)}.prose img{display:block;margin:24px auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-soft);clip-path:inset(0 round var(--radius-sm));cursor:zoom-in}.xg-lightbox{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:24px;background:var(--zoom-backdrop);opacity:0;pointer-events:none;backdrop-filter:blur(10px);transition:opacity .16s ease}.xg-lightbox.is-open{opacity:1;pointer-events:auto}.xg-lightbox figure{display:grid;gap:10px;max-width:min(1120px,100%);max-height:100%;margin:0}.xg-lightbox img{max-width:100%;max-height:calc(100vh - 124px);object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:0 12px 34px #0000002e;clip-path:inset(0 round var(--radius-sm))}.xg-lightbox figcaption{display:flex;justify-content:center;gap:10px;color:var(--text-soft);font-size:.84rem;text-align:center}.xg-lightbox button{position:absolute;display:grid;place-items:center;width:38px;height:38px;padding:0;color:var(--text);background:var(--paper-strong);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-soft);cursor:pointer;line-height:1}.xg-lightbox button svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.45;transform:translateY(-.5px)}.xg-lightbox button:hover{border-color:var(--accent)}.xg-lightbox-close{top:18px;right:18px}.xg-lightbox-prev,.xg-lightbox-next{top:50%;transform:translateY(-50%)}.xg-lightbox-prev svg,.xg-lightbox-next svg{width:22px;height:22px}.xg-lightbox-prev{left:18px}.xg-lightbox-next{right:18px}.xg-lightbox-counter{color:var(--accent-strong);font-family:var(--mono);font-weight:800}.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.button{display:inline-flex;padding:8px 11px;color:var(--paper);background:var(--text);border:1px solid var(--text);line-height:1.35;text-decoration:none}.button.ghost{color:var(--text);background:transparent;border-color:var(--line-strong)}.site-footer{flex-shrink:0;border-top:0;background:var(--paper-strong);box-shadow:var(--shadow-footer)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 0;color:var(--text-muted);font-size:.84rem}.footer-inner p{margin:0}.footer-inner p:last-child{flex:0 0 auto}.footer-links{display:inline-flex;align-items:center;gap:7px}.footer-links a{display:inline-flex;align-items:center;gap:5px;color:var(--text-muted);text-decoration:none}.footer-links a:hover{color:var(--accent-strong)}.footer-links svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.45}.footer-links circle{fill:currentColor;stroke:none}.back-to-top{position:fixed;right:22px;bottom:22px;z-index:28;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;color:var(--text);background:color-mix(in srgb,var(--paper-strong) 62%,transparent);border:1px solid var(--line);border-radius:var(--radius-sm);box-shadow:var(--shadow-soft);backdrop-filter:blur(12px) saturate(1.06);-webkit-backdrop-filter:blur(12px) saturate(1.06);opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .16s ease,transform .16s ease,background .16s ease,border-color .16s ease;cursor:pointer}.back-to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}.back-to-top:hover{border-color:var(--hover-outline)}.back-to-top-icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8}@media(max-width:1020px){.header-inner{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand actions" "nav nav";gap:9px 12px;padding:10px 0}.brand{grid-area:brand}.top-nav{grid-area:nav;justify-content:flex-start;overflow-x:auto;padding-bottom:2px}.header-actions{grid-area:actions}.page-grid,.article-layout{grid-template-columns:1fr;gap:30px}.sidebar{position:static}.article-aside{display:none}.taxonomy-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){body{font-size:14px}:root[data-mobile-nav-open] main,:root[data-mobile-nav-open] .site-footer,:root[data-mobile-nav-open] .back-to-top{filter:blur(7px) saturate(.84) contrast(.95);pointer-events:none}.site-header{z-index:80}.site-header[data-nav-open=true]{background:transparent;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.header-inner{grid-template-columns:minmax(0,1fr) auto;grid-template-areas:"brand actions";gap:10px;min-height:58px;padding:10px 0}.top-nav{--mobile-nav-width: min(300px, calc(100vw - 72px) );position:fixed;isolation:isolate;z-index:90;inset:0;display:none;width:100vw;height:100vh;max-height:none;overflow-y:auto;overscroll-behavior:contain;padding:70px 0 18px;background:transparent;border:0;border-radius:0}.top-nav:before{content:"";position:fixed;top:0;right:0;bottom:0;z-index:1;width:var(--mobile-nav-width);background:var(--paper-strong);box-shadow:-18px 0 34px #17191c1f}.top-nav:after{content:"";position:fixed;inset:0;z-index:0;background:#17191c61;backdrop-filter:blur(12px) saturate(.9);-webkit-backdrop-filter:blur(12px) saturate(.9)}.top-nav.is-open{display:block;gap:0}.nav-item{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 72px;align-items:center;width:var(--mobile-nav-width);margin-left:auto;overflow:visible;border-top:1px solid var(--line);background:var(--paper-strong)}.nav-item:first-child{border-top:0}.nav-item.has-children>.nav-link:before{display:none}.nav-item.has-children:after{content:none}.top-nav .nav-link{width:100%;min-height:50px;padding:12px 16px;color:var(--text);font-size:1rem}.top-nav .nav-link:after{display:none}.submenu-toggle{display:inline-flex;align-items:center;justify-content:flex-end;justify-self:end;position:relative;z-index:2;width:88px;height:50px;padding:0 31px 0 0;color:var(--text);background:transparent;border:0;cursor:pointer}.submenu-toggle span{width:9px;height:9px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .16s ease}.nav-item.is-submenu-open .submenu-toggle span{transform:rotate(225deg)}.submenu{position:static;z-index:1;grid-column:1 / -1;display:none;width:100%;min-width:0;margin-top:0;padding:0;background:var(--mobile-submenu-bg);border:0;border-radius:0;box-shadow:none;opacity:1;visibility:visible;pointer-events:auto;transform:none;transition:none}.nav-item.is-submenu-open .submenu{display:grid;transform:none}.nav-item:hover .submenu,.nav-item:focus-within .submenu{transform:none}.submenu .submenu-link{width:100%;min-height:42px;padding:9px 16px 9px 28px;color:var(--text);font-size:1rem;background:transparent;border-top:1px solid var(--mobile-submenu-line)}.submenu .submenu-link:hover,.submenu .submenu-link.active{color:var(--accent-strong);background:color-mix(in srgb,var(--accent-soft) 52%,transparent)}.header-actions{gap:6px;z-index:110}.theme-toggle{order:1}.nav-toggle{display:inline-flex;order:2;width:34px;height:34px;gap:4px}.nav-toggle span{width:15px;height:2px}.site-header[data-nav-open=true] .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}.site-header[data-nav-open=true] .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}.container,.narrow{width:min(calc(100vw - 24px),1160px);margin-right:auto;margin-left:12px}.container.page-grid{width:min(calc(100vw - 24px),1160px)}.page-grid,.article-layout{padding-top:24px;padding-bottom:46px}.sidebar,.section-heading.large{display:none}.section-heading h1{font-size:1.2rem}.article-card{grid-template-columns:132px minmax(0,1fr);gap:20px;padding:10px}.article-list{gap:14px}.home-banner{margin-bottom:14px}.home-banner-nav{display:none}.home-banner-dots{pointer-events:none}.card-cover,.card-cover img{grid-column:1;min-height:92px}.card-body{grid-column:2;padding:1px 0}.card-body h2{margin-bottom:8px;font-size:1rem;line-height:1.34}.card-body p{display:none}.page-head{padding:32px 0 18px}.page-head h1{font-size:1.48rem}.archive-group li{grid-template-columns:1fr;gap:1px}.article-header h1{font-size:1.5rem}.article-main{padding:22px 16px 26px}.article-cover{display:none;margin-top:15px;aspect-ratio:16 / 10}.prose{margin-top:20px;padding-inline:8px}.prose pre,.prose img,.prose blockquote{margin-block:20px}.taxonomy-grid{grid-template-columns:1fr}.xg-lightbox{padding:16px}.xg-lightbox img{max-height:calc(100vh - 116px)}.xg-lightbox-prev,.xg-lightbox-next{top:auto;bottom:18px;transform:none}.xg-lightbox-prev{left:18px}.xg-lightbox-next{right:18px}.footer-inner{gap:10px;font-size:.82rem}.footer-inner p:first-child{min-width:0}.back-to-top{right:14px;bottom:14px;width:38px;height:38px}}@media(max-width:520px){.brand{grid-template-columns:auto minmax(0,1fr)}.brand.icon-only{grid-template-columns:auto}.brand img{height:34px;max-width:120px}.brand strong{max-width:140px}.card-cover,.card-cover img{min-height:84px}.article-card{grid-template-columns:128px minmax(0,1fr);gap:14px}.card-body h2{font-size:.96rem;line-height:1.33}.post-meta{gap:6px}}