:root{color-scheme:light dark;--bg: #fbf5ea;--bg-soft: #f4ecdd;--surface: #fffaf1;--surface-quiet: #f7efe2;--text: #29231c;--muted: #74685b;--soft: #9a8d7b;--line: #e2d6c4;--accent: #7a5e35;--accent-strong: #4e3820;--selection: #eadcc3;--shadow: rgb(105 78 42 / .08);--font-ui: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-song: "Songti SC", "STSong", "Noto Serif CJK SC", "Source Han Serif SC", "SimSun", "Iowan Old Style", Georgia, serif}@media(prefers-color-scheme:dark){:root{--bg: #1f1a14;--bg-soft: #2a231a;--surface: #282117;--surface-quiet: #241e17;--text: #eee4d2;--muted: #c8bba5;--soft: #9f917d;--line: #463a2c;--accent: #d4bc8c;--accent-strong: #f1d9a4;--selection: #4c3d27;--shadow: rgb(0 0 0 / .2)}}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);font-family:var(--font-ui);scroll-behavior:smooth;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}body{margin:0;min-height:100dvh;background:radial-gradient(circle at 18% 0%,color-mix(in srgb,var(--surface) 82%,transparent),transparent 24rem),linear-gradient(180deg,var(--bg),var(--bg-soft))}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgb(80 60 35 / .025) 1px,transparent 1px),linear-gradient(90deg,rgb(80 60 35 / .02) 1px,transparent 1px);background-size:32px 32px;mask-image:linear-gradient(to bottom,black,transparent 75%)}::selection{background:var(--selection)}a{color:inherit;text-decoration-color:color-mix(in srgb,var(--accent) 46%,transparent);text-decoration-thickness:.06em;text-underline-offset:.2em;transition:color .18s ease,text-decoration-color .18s ease,opacity .18s ease,transform .18s ease}a:hover{color:var(--accent-strong);text-decoration-color:var(--accent)}.reading-progress{position:fixed;top:0;left:0;z-index:3;width:100%;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left center}@supports (animation-timeline: scroll()){.reading-progress{animation:reading-progress linear both;animation-timeline:scroll(root)}}@keyframes reading-progress{to{transform:scaleX(1)}}.site-shell{width:min(100% - 2rem,1020px);margin:0 auto}.site-header{position:sticky;top:0;z-index:2;padding:1rem 0;border-bottom:1px solid color-mix(in srgb,var(--line) 78%,transparent);background:color-mix(in srgb,var(--bg) 84%,transparent);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}.site-nav{display:flex;align-items:baseline;justify-content:space-between;gap:1rem}.site-mark{font-family:var(--font-song);font-size:1.06rem;font-weight:600;letter-spacing:.02em;text-decoration:none}.nav-links{display:flex;flex-wrap:wrap;gap:.55rem .85rem;color:var(--muted);font-size:.9rem}.nav-links a{padding:.2rem 0;text-decoration:none}.nav-links a:hover{transform:translateY(-1px)}.page-main{padding:clamp(2.4rem,6vw,5.2rem) 0 4.8rem}.page-narrow{max-width:720px}.hero{max-width:760px;padding-bottom:clamp(2.5rem,6vw,4.8rem)}.kicker{margin:0 0 .85rem;color:var(--muted);font-family:var(--font-song);font-size:clamp(1rem,2.3vw,1.18rem);line-height:1.7}h1,h2,h3{margin:0;font-family:var(--font-song);font-weight:600;letter-spacing:.01em}h1{font-size:clamp(2.7rem,8vw,5.2rem);line-height:1.03}h2{font-size:clamp(1.42rem,3.5vw,2.1rem);line-height:1.18}h3{font-size:clamp(1.06rem,2.2vw,1.22rem);line-height:1.36}p{line-height:1.78}.lead{margin:1.25rem 0 0;max-width:680px;color:var(--muted);font-family:var(--font-song);font-size:clamp(1.13rem,3vw,1.38rem);line-height:1.78}.section-title{margin:0 0 1.05rem;color:var(--muted);font-size:.94rem;font-weight:500}.post-list{display:grid;gap:.35rem;margin:0;padding:0;list-style:none}.post-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;padding:1.18rem 0;border-bottom:1px solid color-mix(in srgb,var(--line) 75%,transparent)}.post-row:first-child{border-top:1px solid color-mix(in srgb,var(--line) 75%,transparent)}.post-row a{text-decoration:none}.post-row h2,.post-row h3{margin-bottom:.36rem}.post-row p{margin:0;color:var(--muted);font-family:var(--font-song);line-height:1.68}.post-row:hover h2,.post-row:hover h3{color:var(--accent-strong)}.post-date{padding-top:.18rem;color:var(--soft);font-size:.88rem;white-space:nowrap}.meta{display:flex;flex-wrap:wrap;gap:.35rem .85rem;margin:1.1rem 0 0;color:var(--soft);font-size:.92rem}.tags{display:flex;flex-wrap:wrap;gap:.48rem .7rem;margin-top:.85rem}.tag{color:var(--muted);font-size:.9rem;text-decoration:none}.archive-year{display:grid;grid-template-columns:5.5rem minmax(0,1fr);gap:2.2rem;padding-top:1.85rem}.archive-year+.archive-year{margin-top:.7rem}.archive-year h2{color:var(--soft);font-family:var(--font-ui);font-size:.95rem;font-weight:500}.article-header{max-width:720px;margin:0 auto clamp(2.4rem,6vw,4.2rem)}.article-title{font-size:clamp(2.35rem,7vw,4.7rem);line-height:1.08;text-wrap:balance}.article-subtitle{margin:1.1rem 0 0;color:var(--muted);font-family:var(--font-song);font-size:clamp(1.12rem,2.8vw,1.36rem);line-height:1.72}.article-body{max-width:690px;margin:0 auto;font-family:var(--font-song);font-size:clamp(1.08rem,2.2vw,1.2rem);line-height:1.95;letter-spacing:.015em}.article-body :where(p,ul,ol,blockquote,pre){margin:1.28rem 0}.article-body :where(h2,h3){margin-top:2.4rem;margin-bottom:.75rem}.article-body :where(ul,ol){padding-left:1.35rem}.article-body li+li{margin-top:.45rem}.article-body a{text-decoration-thickness:.06em}.article-body blockquote{margin-left:0;padding:.2rem 0 .2rem 1.15rem;border-left:2px solid var(--line);color:var(--muted)}.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:.86em}.article-body pre{overflow-x:auto;padding:1rem;background:var(--surface-quiet);border:1px solid var(--line);border-radius:8px}.footer{padding:2rem 0 2.5rem;border-top:1px solid color-mix(in srgb,var(--line) 76%,transparent);color:var(--soft);font-size:.9rem}.reveal{opacity:1}@media(prefers-reduced-motion:no-preference){.js .reveal{opacity:0;transform:translateY(10px);transition:opacity .7s ease,transform .7s cubic-bezier(.16,1,.3,1)}.js .reveal.is-visible{opacity:1;transform:translateY(0)}.js .post-row.reveal{transition-delay:40ms}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}@media(max-width:720px){.site-shell{width:min(100% - 1.2rem,1020px)}.site-nav{align-items:flex-start;flex-direction:column;gap:.55rem}.nav-links{gap:.4rem .75rem}.page-main{padding-top:2.2rem}.post-row{grid-template-columns:1fr;gap:.35rem}.post-date{padding-top:0}.archive-year{grid-template-columns:1fr;gap:.65rem;padding-top:1.6rem}.article-body{font-size:1.08rem;line-height:1.9}}