:root{--paper:#f4efe5;--paper-deep:#ebe3d5;--surface:rgba(255, 252, 245, 0.82);--surface-solid:#fffaf0;--surface-muted:#eee6d8;--ink:#26231d;--ink-soft:#595246;--muted:#80776a;--line:rgba(84, 72, 55, 0.18);--accent:#2d6864;--accent-strong:#164d49;--seal:#a74d3f;--code-bg:#1c211d;--code-ink:#edf3ed;--shadow:0 18px 50px rgba(48, 37, 24, 0.09);--shadow-hover:0 24px 70px rgba(48, 37, 24, 0.14);--radius:8px;--content:min(1120px, calc(100vw - 48px));--article:min(820px, calc(100vw - 48px));--display-font:-apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;--body-font:-apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;--sans-font:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", sans-serif;--code-font:ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace}@media(prefers-color-scheme:dark){:root{--paper:#171b1a;--paper-deep:#111413;--surface:rgba(33, 38, 35, 0.82);--surface-solid:#202622;--surface-muted:#252d28;--ink:#eee8dc;--ink-soft:#c9c0b2;--muted:#9f978c;--line:rgba(229, 220, 204, 0.14);--accent:#8ccac1;--accent-strong:#b8e5df;--seal:#d07967;--code-bg:#0f1211;--code-ink:#eff5ee;--shadow:0 18px 50px rgba(0, 0, 0, 0.28);--shadow-hover:0 24px 70px rgba(0, 0, 0, 0.38)}}html[data-theme=light]{color-scheme:light;--paper:#f4efe5;--paper-deep:#ebe3d5;--surface:rgba(255, 252, 245, 0.82);--surface-solid:#fffaf0;--surface-muted:#eee6d8;--ink:#26231d;--ink-soft:#595246;--muted:#80776a;--line:rgba(84, 72, 55, 0.18);--accent:#2d6864;--accent-strong:#164d49;--seal:#a74d3f;--code-bg:#1c211d;--code-ink:#edf3ed;--shadow:0 18px 50px rgba(48, 37, 24, 0.09);--shadow-hover:0 24px 70px rgba(48, 37, 24, 0.14)}html[data-theme=dark]{color-scheme:dark;--paper:#171b1a;--paper-deep:#111413;--surface:rgba(33, 38, 35, 0.82);--surface-solid:#202622;--surface-muted:#252d28;--ink:#eee8dc;--ink-soft:#c9c0b2;--muted:#9f978c;--line:rgba(229, 220, 204, 0.14);--accent:#8ccac1;--accent-strong:#b8e5df;--seal:#d07967;--code-bg:#0f1211;--code-ink:#eff5ee;--shadow:0 18px 50px rgba(0, 0, 0, 0.28);--shadow-hover:0 24px 70px rgba(0, 0, 0, 0.38)}*{box-sizing:border-box}html{scroll-behavior:smooth}html,body{overflow-x:clip}body{margin:0;color:var(--ink);font-family:var(--body-font);line-height:1.86;letter-spacing:0;background:radial-gradient(circle at 12% 0%,color-mix(in srgb,var(--accent) 16%,transparent),transparent 34rem),radial-gradient(circle at 82% 12%,color-mix(in srgb,var(--seal) 12%,transparent),transparent 28rem),linear-gradient(180deg,var(--paper),var(--paper-deep));background-attachment:fixed;text-rendering:optimizeLegibility}body::before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.38;background-image:linear-gradient(90deg,rgba(120,105,80,.035) 1px,transparent 1px),linear-gradient(rgba(120,105,80,3%) 1px,transparent 1px);background-size:42px 42px}a{color:inherit;text-decoration-color:color-mix(in srgb,var(--accent) 45%,transparent);text-underline-offset:.18em;transition:color 160ms ease,text-decoration-color 160ms ease,transform 160ms ease,border-color 160ms ease,background 160ms ease,box-shadow 160ms ease}a:hover{color:var(--accent-strong);text-decoration-color:var(--accent-strong)}:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.skip-link{position:absolute;left:20px;top:-80px;z-index:20;padding:8px 12px;background:var(--surface-solid);border:1px solid var(--line);border-radius:var(--radius)}.skip-link:focus{top:14px}.site-header{position:sticky;top:0;z-index:10;backdrop-filter:blur(18px);background:color-mix(in srgb,var(--paper) 82%,transparent);border-bottom:1px solid var(--line)}.nav{width:var(--content);min-height:68px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:24px;font-family:var(--sans-font)}.brand{font-family:var(--display-font);font-size:clamp(1.28rem,2.2vw,1.56rem);text-decoration:none;color:var(--ink)}.nav-menu{display:flex;align-items:center;gap:18px;color:var(--muted);font-size:.94rem}.nav-menu a{position:relative;text-decoration:none;padding:2px 0}.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:center;transition:transform 160ms ease}.nav-menu a:hover::after,.nav-menu a.is-active::after{transform:scaleX(1)}.nav-menu a.is-active{color:var(--ink)}.theme-toggle{display:inline-grid;place-items:center;width:34px;height:34px;border:1px solid var(--line);border-radius:999px;padding:0;color:var(--muted);background:color-mix(in srgb,var(--surface) 68%,transparent);font:inherit;cursor:pointer;transition:color 160ms ease,border-color 160ms ease,background 160ms ease,transform 160ms ease}.theme-toggle:hover{color:var(--accent-strong);border-color:color-mix(in srgb,var(--accent) 42%,var(--line));background:color-mix(in srgb,var(--accent) 8%,var(--surface));transform:translateY(-1px)}.theme-toggle__icon::before{content:"\263e";display:block;font-size:1rem;line-height:1}html[data-theme=dark] .theme-toggle__icon::before{content:"\2600"}.nav-toggle{display:none;border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:var(--radius);padding:7px 10px;font:inherit}.hero{width:var(--content);margin:0 auto;padding:clamp(28px,5vw,56px)0 clamp(34px,6vw,64px);border-bottom:1px solid var(--line)}.hero-kicker{display:flex;align-items:center;gap:14px;width:fit-content;color:var(--muted);font-family:var(--sans-font);font-size:.78rem;text-transform:uppercase}.hero-kicker::before{content:"";width:11px;height:11px;border-radius:50%;background:var(--seal);box-shadow:0 0 0 7px color-mix(in srgb,var(--seal) 12%,transparent)}.hero-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(28px,5vw,48px);align-items:end;margin-top:28px}.eyebrow{margin:0 0 14px;color:var(--accent);font-family:var(--sans-font);font-size:.76rem;font-weight:700;text-transform:uppercase}.hero h1,.page-head h1,.article-head h1,.not-found h1{margin:0;word-break:keep-all;font-family:var(--display-font);font-weight:400;line-height:1.08;letter-spacing:0}.hero h1{font-size:clamp(2.41rem,6.72vw,5.49rem);font-weight:400}.subtitle{max-width:none;margin:clamp(28px,4vw,40px)0 clamp(4px,1vw,12px);color:var(--ink-soft);font-family:var(--display-font);font-size:clamp(1.25rem,2.6vw,1.72rem);line-height:1.72;white-space:nowrap}.hero-note{position:relative;padding:0;background:0 0;border:0;border-radius:0;box-shadow:none}.hero-note::before{display:none}.hero-note p{margin:0 0 14px;color:var(--accent);font-family:var(--display-font);font-size:1.2rem}.hero-note ul,.topic-row,.tag-list,.archive-year ol{list-style:none;padding:0;margin:0}.hero-note li{display:flex;align-items:center;gap:10px;min-height:58px;padding:13px 16px;border:1px solid color-mix(in srgb,var(--accent) 18%,var(--line));border-radius:var(--radius);background:#f0f7f6;color:var(--ink-soft)}.hero-note ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.hero-note li span{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,transparent);font-family:var(--sans-font)}.hero-note li strong{font-family:var(--sans-font);font-size:.92rem;font-weight:650}@media(prefers-color-scheme:dark){.hero-note li{background:color-mix(in srgb,var(--accent) 9%,var(--surface-solid))}}.section-wrap,.page-head{width:var(--content);margin:0 auto}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:20px;border-top:1px solid var(--line);padding-top:30px}.section-head.compact{margin-top:54px}.section-head h2,.archive-year h2{margin:0;font-family:var(--display-font);font-weight:400;font-size:clamp(1.72rem,3vw,2.25rem);line-height:1.2}.post-grid,.post-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.post-list{grid-template-columns:repeat(2,minmax(0,1fr))}.post-card{position:relative;min-height:0;display:flex;flex-direction:column;gap:10px;padding:18px;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.post-cover{display:grid;place-items:center;aspect-ratio:16/9;margin:-18px -18px 2px;border-bottom:1px solid var(--line);overflow:hidden;background:color-mix(in srgb,var(--surface-muted) 58%,transparent);text-decoration:none}.post-cover img{display:block;width:100%;height:100%;max-height:none;object-fit:contain;transition:transform 220ms ease}.post-card:hover .post-cover img{transform:scale(1.025)}.post-card::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:linear-gradient(90deg,var(--accent),color-mix(in srgb,var(--seal) 72%,var(--accent)));opacity:.72}.post-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 42%,var(--line));box-shadow:var(--shadow-hover)}.post-card h2{margin:0;font-family:var(--display-font);font-weight:400;font-size:1.36rem;line-height:1.36}.post-card h2 a{text-decoration:none}.post-card p{margin:0;color:var(--ink-soft);font-size:.98rem;line-height:1.72}.post-summary{margin-bottom:8px}.post-meta,.article-meta{display:flex;flex-wrap:wrap;gap:8px 14px;color:var(--muted);font-family:var(--sans-font);font-size:.86rem}.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:0;margin-bottom:12px}.tag-list a,.term-cloud a{display:inline-flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:999px;padding:2px 9px;color:var(--muted);background:color-mix(in srgb,var(--accent) 10%,transparent);text-decoration:none;font-family:var(--sans-font);font-size:.75rem}.tag-list a:hover,.term-cloud a:hover{border-color:color-mix(in srgb,var(--accent) 45%,var(--line));background:color-mix(in srgb,var(--accent) 9%,var(--surface))}.article-tags{display:inline-flex;flex-wrap:wrap;gap:8px}.article-tags a{color:var(--muted);text-decoration:none}.article-tags a:hover{color:var(--accent-strong)}.read-more,.text-link{margin-top:0;color:var(--accent);font-family:var(--sans-font);font-weight:650;text-decoration:none}.read-more:hover,.text-link:hover{transform:translateY(-1px)}.topic-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.topic-row article{position:relative;overflow:hidden;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--surface) 76%,transparent);transition:transform 180ms ease,background-color 180ms ease,border-color 180ms ease}.topic-row span{position:absolute;right:18px;top:-8px;color:color-mix(in srgb,var(--seal) 18%,transparent);font-family:var(--sans-font);font-size:4.6rem;font-weight:800;line-height:1;pointer-events:none}.topic-row h3{position:relative;margin:8px 0;font-family:var(--display-font);font-weight:400;font-size:1.5rem}.topic-row p{margin:0;color:var(--ink-soft)}.topic-row article:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--accent) 30%,var(--line));background:color-mix(in srgb,var(--accent) 7%,var(--surface))}.page-head{padding:clamp(36px,4.6vw,54px)0 38px}.page-head h1,.not-found h1{font-size:clamp(2.25rem,6vw,4.6rem)}.lead{max-width:720px;margin-top:18px;color:var(--ink-soft)}.article{width:var(--article);margin:0 auto;padding:clamp(36px,4.6vw,54px)0 42px}.reading-progress{position:fixed;top:68px;left:0;right:0;z-index:9;height:3px;pointer-events:none}.reading-progress span{display:block;width:100%;height:100%;transform:scaleX(0);transform-origin:left;background:linear-gradient(90deg,var(--accent),var(--seal))}.article-head{position:relative;margin-bottom:34px;padding-bottom:26px;border-bottom:1px solid var(--line)}.article-head::after{content:"";position:absolute;left:0;bottom:-2px;width:74px;height:3px;background:var(--seal)}.article-head h1{max-width:12.5em;font-size:clamp(2.05rem,4.2vw,3.65rem);line-height:1.18;word-break:normal;overflow-wrap:anywhere}.article-meta{margin-top:22px;font-size:.9rem}.toc{margin:0 0 34px;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--surface) 68%,transparent);font-family:var(--sans-font)}.toc p{margin:0 0 8px;color:var(--accent);font-weight:700}.toc ul{margin:0;padding-left:1.2em}.prose{font-size:1.15rem;line-height:2}.prose>*+*{margin-top:1.18em}.prose h2,.prose h3,.prose h4{margin-top:2.35em;line-height:1.38;font-family:var(--display-font);font-weight:400}.prose h2{font-size:2.08rem}.prose h3{font-size:1.58rem}.prose h4{font-size:1.24rem}.prose p{margin-bottom:0}.prose a{color:var(--accent-strong);text-decoration-thickness:1px}.prose blockquote{position:relative;margin-left:0;padding:16px 20px 16px 24px;border-left:3px solid var(--seal);background:color-mix(in srgb,var(--surface) 66%,transparent);border-radius:0 var(--radius)var(--radius)0;color:var(--ink-soft);font-size:1.12rem}.prose ul,.prose ol{padding-left:1.35em}.prose li+li{margin-top:.35em}.prose hr{border:0;height:1px;margin:2.4em 0;background:linear-gradient(90deg,transparent,var(--line),transparent)}.prose code{padding:.12em .35em;border-radius:5px;background:var(--surface-muted);font-family:var(--code-font);font-size:.9em}.prose pre{margin:0;overflow:auto;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--code-bg);color:var(--code-ink);line-height:1.65}.prose pre code{padding:0;background:0 0}.prose .highlight,.prose pre.code-enhanced{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--code-bg)}.prose .highlight pre,.prose pre.code-enhanced{padding-top:54px;border:0;border-radius:0}.code-tools{position:absolute;top:0;left:0;right:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px;padding:8px 10px 8px 14px;border-bottom:1px solid rgba(255,255,255,.12);color:color-mix(in srgb,var(--code-ink) 76%,transparent);background:color-mix(in srgb,var(--code-bg) 86%,#000);font-family:var(--sans-font);font-size:.78rem}.code-tools button{border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:3px 9px;color:var(--code-ink);background:rgba(255,255,255,8%);font:inherit;cursor:pointer}.code-tools button:hover{background:rgba(255,255,255,.14)}.prose img{width:min(940px,calc(100vw - 36px));max-width:none;height:auto;margin-left:50%;transform:translateX(-50%);border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}.prose figure{margin:2em 0}.prose figcaption{margin-top:.6em;color:var(--muted);text-align:center;font-family:var(--sans-font);font-size:.88rem}.prose table{display:block;width:100%;overflow-x:auto;border-collapse:collapse}.prose th,.prose td{padding:10px 12px;border:1px solid var(--line)}.prose th{background:var(--surface-muted)}.article-foot{margin-top:46px;padding-top:26px;border-top:1px solid var(--line)}.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:22px}.post-nav a{padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);text-decoration:none;font-size:1.04rem}.post-nav a span{display:block;margin-bottom:4px;color:var(--muted);font-family:var(--sans-font);font-size:.78rem}.related-posts{margin:28px 0;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:color-mix(in srgb,var(--surface) 76%,transparent)}.related-list{display:grid;gap:10px}.related-list a{display:grid;grid-template-columns:92px minmax(0,1fr);gap:14px;padding:10px 0;border-top:1px solid var(--line);text-decoration:none}.related-list span{color:var(--muted);font-family:var(--sans-font);font-size:.82rem}.archive-year{display:grid;grid-template-columns:128px minmax(0,1fr);gap:24px;padding:28px 0;border-top:1px solid var(--line)}.archive-year h2{color:var(--accent)}.archive-year li{display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px;padding:10px 0}.archive-year a{text-decoration:none}.archive-year time,.muted{color:var(--muted)}.term-cloud{display:flex;flex-wrap:wrap;gap:10px}.search-form{display:grid;gap:10px;max-width:720px;margin-bottom:14px}.search-form label{color:var(--accent);font-family:var(--sans-font);font-size:.86rem;font-weight:700}.search-form input{width:100%;min-height:50px;border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px;color:var(--ink);background:var(--surface);font:1rem/1.4 var(--sans-font);box-shadow:var(--shadow)}.search-status{margin:0 0 22px;font-family:var(--sans-font)}.pagination{display:flex;justify-content:center;gap:16px;margin-top:28px;font-family:var(--sans-font);color:var(--muted)}.not-found{width:var(--article);min-height:58vh;margin:0 auto;padding:96px 0}.not-found p{color:var(--ink-soft)}.not-found-actions{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px}.site-footer{width:var(--content);margin:78px auto 0;padding:32px 0 44px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;color:var(--muted);font-family:var(--sans-font)}.site-footer p{margin:0}.footer-slogan{margin-bottom:12px!important;color:var(--ink-soft);font-family:var(--display-font);font-size:1.1rem}.footer-note{font-size:.88rem}.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:14px}.footer-links a{color:var(--accent);text-decoration:none;font-weight:650}.footer-links a:hover{transform:translateY(-1px)}@media(max-width:900px){:root{--content:min(100vw - 30px, 1120px);--article:min(100vw - 30px, 820px)}.hero-layout,.post-grid,.post-list,.topic-row{grid-template-columns:1fr}.hero-note{max-width:none}.post-card{min-height:0}}@media(max-width:720px){.nav{min-height:60px}.reading-progress{top:60px}.nav-toggle{display:inline-flex}.nav-menu{position:absolute;inset:60px 15px auto 15px;display:none;flex-direction:column;align-items:stretch;gap:0;padding:8px;background:var(--surface-solid);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.nav-menu.is-open{display:flex}.nav-menu a{padding:10px 12px}.nav-menu a::after{display:none}.theme-toggle{align-self:flex-start;margin:8px 12px 4px}.hero,.page-head,.article,.not-found{padding-top:28px}.hero h1{font-size:clamp(1.92rem,10.08vw,3.14rem)}.subtitle{white-space:normal;max-width:620px}.hero-note ul{grid-template-columns:1fr}.section-head,.site-footer{align-items:flex-start;flex-direction:column}.archive-year{grid-template-columns:1fr;gap:8px}.post-nav{grid-template-columns:1fr}.prose img{width:100%;max-width:100%;margin-left:0;transform:none}.related-list a{grid-template-columns:1fr;gap:2px}.post-card.has-cover{display:grid;grid-template-columns:128px minmax(0,1fr);grid-template-areas:"meta meta" "cover title" "cover summary" "tags tags" "read read";gap:8px 12px;padding:14px}.post-card.has-cover::before{height:2px}.post-card.has-cover .post-cover{grid-area:cover;align-self:center;margin:0;display:block;aspect-ratio:auto;border:0;border-radius:0;background:0 0;overflow:visible}.post-card.has-cover .post-cover img{width:100%;height:auto;border-radius:var(--radius);box-shadow:0 8px 22px rgba(48,37,24,.12)}.post-card.has-cover .post-meta{grid-area:meta;font-size:.76rem}.post-card.has-cover h2{grid-area:title;font-size:1.16rem;line-height:1.32}.post-card.has-cover p{grid-area:summary;font-size:.9rem;line-height:1.56}.post-card.has-cover .tag-list{grid-area:tags;margin-top:0;margin-bottom:4px}.post-card.has-cover .read-more{grid-area:read;margin-top:8px}.post-card.has-cover .tag-list a{padding:2px 8px;font-size:.72rem}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}.post-card:hover,.topic-row article:hover,.theme-toggle:hover,.footer-links a:hover,.read-more:hover,.text-link:hover{transform:none}}