:root{color-scheme:light;--paper:#faf9f6;--ink:#292823;--muted:#77746b;--line:#e5e1d8;--accent:#b6492d;--soft:#f0ede6;--serif:Georgia,"Noto Serif CJK SC","Songti SC",SimSun,serif;--sans:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.8 var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}a:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}input{font:inherit}::selection{background:#edcebf;color:#30221b}.wrap{max-width:1080px;margin:auto;padding:0 48px}.skip{position:absolute;left:20px;top:-90px;z-index:20;padding:8px 16px;background:var(--ink);color:white}.skip:focus{top:12px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);padding:30px 0 24px}.brand{display:inline-flex;align-items:center;gap:12px;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:32px;height:32px;background:var(--accent);color:var(--paper);font:19px var(--serif);border-radius:2px}.brand-name{font:22px var(--serif);letter-spacing:2px}.nav{display:flex;gap:27px;font-size:13px}.nav a{padding:5px 0}.nav a[aria-current=page]{color:var(--accent);box-shadow:0 1px var(--accent)}.eyebrow{font-size:10px;letter-spacing:2.5px;color:var(--accent);font-weight:600;margin:0 0 18px}.hero{padding:66px 0 52px;display:grid;grid-template-columns:1fr 210px;gap:50px;align-items:end}.hero h1{font:400 45px/1.4 var(--serif);letter-spacing:1px;margin:0 0 20px}.hero h1 em{font-style:normal;color:var(--accent)}.hero-copy{max-width:540px;color:var(--muted);font-size:15px;margin:0;line-height:2}.hero-note{padding-left:20px;border-left:1px solid var(--line);font-size:12px;color:var(--muted);line-height:2}.hero-note strong{display:block;color:var(--ink);font-weight:500;margin-bottom:6px}.section-bar{display:flex;justify-content:space-between;align-items:baseline;gap:20px;margin-bottom:21px}.section-bar h2{font-size:14px;font-weight:600;letter-spacing:1px;margin:0}.small-link{font-size:12px;color:var(--muted)}.topics-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0 28px}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.topic-card{display:block;padding-right:20px;position:relative}.topic-card+.topic-card{border-left:1px solid var(--line);padding-left:26px}.topic-number{font:italic 13px var(--serif);color:var(--accent)}.topic-card h3{font:400 21px var(--serif);margin:8px 0}.topic-card p{color:var(--muted);font-size:12px;margin:0;line-height:1.9}.topic-arrow{position:absolute;right:0;top:3px;color:var(--accent)}.home-columns{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:65px;padding:43px 0 68px}.post-row{padding:24px 0 25px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:62px minmax(0,1fr);gap:20px}.post-row:first-child{padding-top:10px}.post-date{font-size:11px;letter-spacing:.6px;color:var(--muted);padding-top:7px;font-variant-numeric:tabular-nums}.post-date span{display:block;font-size:10px;opacity:.75}.post-category{font-size:10px;color:var(--accent);letter-spacing:1px}.post-row h3{font:400 23px/1.5 var(--serif);margin:4px 0 9px}.post-row p{font-size:13px;color:var(--muted);line-height:1.9;margin:0}.post-meta{margin-top:13px;font-size:10px;color:var(--muted)}.sidebar{font-size:12px}.sidebar-section{margin-bottom:37px}.sidebar h2{font-size:10px;letter-spacing:2px;font-weight:500;color:var(--muted);padding-bottom:14px;border-bottom:1px solid var(--line);margin:0 0 15px}.editor-note{font:400 21px/1.8 var(--serif);margin:0 0 14px}.sidebar p{color:var(--muted);line-height:2}.side-list{list-style:none;padding:0;margin:0}.side-list li{margin:16px 0}.side-list span{display:block;font-size:10px;color:var(--muted);margin-top:4px}.quote{font:400 18px/1.9 var(--serif);margin:0;padding:0}.quote:before{content:'“';display:block;color:var(--accent);font:40px/1 var(--serif)}.list-end{text-align:center;margin-top:28px}.text-button{display:inline-flex;gap:25px;align-items:center;font-size:12px;border:1px solid var(--line);padding:10px 21px;background:transparent}.text-button:hover{border-color:var(--accent);color:var(--accent)}.site-footer{border-top:1px solid var(--line);padding:25px 0 30px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted);letter-spacing:.5px}.footer-sign{font:13px var(--serif);color:var(--ink)}.crumbs{font-size:11px;color:var(--muted);padding:30px 0 0;display:flex;gap:10px;flex-wrap:wrap}.crumbs span{color:#aaa69b}.page-heading{padding:42px 0 35px;max-width:690px}.page-heading h1{font:400 40px/1.45 var(--serif);margin:0 0 17px}.page-heading p{margin:0;color:var(--muted);font-size:14px;line-height:2}.topic-intro{background:var(--soft);border-left:2px solid var(--accent);padding:24px 28px;margin-bottom:30px}.topic-intro .eyebrow{margin-bottom:10px}.topic-intro h2{font:400 23px/1.5 var(--serif);margin:0 0 12px}.topic-intro p{font-size:13px;color:var(--muted);margin:0 0 15px;line-height:1.9}.topic-intro a{font-size:12px;color:var(--accent)}.topic-layout{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:65px;padding-bottom:70px}.reading-path{list-style:none;padding:0;margin:0;counter-reset:steps}.reading-path li{counter-increment:steps;border-bottom:1px solid var(--line);padding:15px 0}.reading-path li:before{content:'0' counter(steps);color:var(--accent);font:italic 12px var(--serif);display:block;margin-bottom:3px}.reading-path a{font-size:12px}.article-layout{display:grid;grid-template-columns:minmax(0,680px) 170px;gap:65px;padding-bottom:65px}.article-header{padding:41px 0 29px;border-bottom:1px solid var(--line)}.article-header h1{font:400 41px/1.5 var(--serif);margin:0 0 17px}.article-meta{font-size:11px;color:var(--muted);display:flex;gap:15px;flex-wrap:wrap}.article-deck{font-size:15px;color:var(--muted);line-height:2;margin:25px 0 0}.article-body{font:17px/2.15 var(--serif);padding:7px 0 10px}.article-body h2{font:400 24px/1.6 var(--serif);margin:34px 0 17px;scroll-margin-top:30px}.article-body p{margin:0 0 23px;text-align:justify;overflow-wrap:anywhere}.article-body .end-mark{color:var(--accent);font-size:15px;margin:30px 0}.toc{position:sticky;top:32px;align-self:start;padding-top:44px}.toc h2{font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:500;margin:0 0 15px}.toc ol{list-style:none;padding:0 0 0 13px;margin:0;border-left:1px solid var(--line)}.toc li{font-size:11px;padding:7px 0;line-height:1.7}.toc .back-topic{display:block;margin-top:27px;font-size:11px;color:var(--accent)}.article-next{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:25px;padding:25px 0}.article-next a{font:400 16px/1.7 var(--serif)}.article-next small{display:block;font:10px var(--sans);color:var(--muted);margin-bottom:10px}.article-next a:last-child{text-align:right}.related{border-top:1px solid var(--line);padding-top:26px;margin-top:16px}.related h2{font-size:12px;letter-spacing:1px;font-weight:500;margin:0 0 16px}.related ul{list-style:none;padding:0;margin:0}.related li{display:flex;gap:14px;font-size:13px;padding:10px 0}.related li:before{content:'↗';color:var(--accent)}.archive-head{display:flex;justify-content:space-between;gap:25px;align-items:end;padding:42px 0 30px}.archive-head .page-heading{padding:0}.search-label{font-size:11px;color:var(--muted);display:block;margin-bottom:6px}.search-box{width:240px;border:1px solid var(--line);border-radius:0;background:transparent;padding:10px 13px;font-size:12px;color:var(--ink)}.archive-grid{display:grid;grid-template-columns:100px minmax(0,1fr);gap:25px;border-top:1px solid var(--line);padding:30px 0 65px}.archive-year{font:italic 28px var(--serif);color:var(--accent)}.archive-item{display:grid;grid-template-columns:55px minmax(0,1fr) 80px;gap:18px;align-items:baseline;border-bottom:1px solid var(--line);padding:17px 0}.archive-item time{font-size:11px;color:var(--muted)}.archive-item a{font:18px/1.6 var(--serif)}.archive-item .category-tag{text-align:right;font:10px var(--sans);color:var(--muted)}[hidden]{display:none!important}.empty-search{color:var(--muted);font-size:13px}.about-copy{max-width:650px;padding-bottom:65px}.about-copy p{font-size:15px;line-height:2.2;color:var(--muted)}.about-copy h2{font:24px var(--serif);margin-top:35px}.mobile-toc{display:none}.anchor-heading:hover:after{content:' #';color:var(--accent);font-size:16px}
@media(min-width:1400px){.wrap{max-width:1150px;padding:0 70px}.hero{padding-top:77px}.hero h1{font-size:49px}.home-columns{gap:78px}.article-layout{gap:80px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:760px){.wrap{padding:0 26px}.site-header{padding:23px 0 19px;gap:15px}.brand-name{font-size:19px}.brand-mark{width:28px;height:28px;font-size:17px}.brand{gap:9px}.nav{gap:18px;font-size:12px}.hero{padding:44px 0 36px;grid-template-columns:1fr;gap:24px}.hero h1{font-size:35px;letter-spacing:0}.eyebrow{font-size:10px;margin-bottom:14px}.hero-copy{font-size:13px}.hero-note{display:none}.topic-grid{gap:18px}.topic-card{padding-right:0}.topic-card+.topic-card{padding-left:18px}.topic-card h3{font-size:17px}.topic-card p{font-size:11px}.topic-arrow{display:none}.topics-strip{padding:22px 0}.home-columns,.topic-layout{grid-template-columns:1fr;gap:36px;padding:30px 0 45px}.sidebar{border-top:1px solid var(--line);padding-top:24px;display:grid;grid-template-columns:1fr 1fr;gap:25px}.sidebar-section{margin:0}.sidebar-section:last-child:nth-child(3){display:none}.sidebar p{font-size:11px}.editor-note{font-size:19px}.post-row{gap:13px;grid-template-columns:43px minmax(0,1fr);padding:23px 0}.post-row h3{font-size:21px}.post-row p{font-size:12px}.section-bar{margin-bottom:14px}.site-footer{font-size:9px;padding:21px 0;align-items:baseline}.site-footer .footer-note{max-width:150px;text-align:right}.crumbs{padding-top:24px;font-size:10px}.page-heading{padding:31px 0 27px}.page-heading h1{font-size:32px}.page-heading p{font-size:13px}.topic-layout{padding-top:0}.topic-intro{padding:22px}.topic-layout .sidebar{display:block}.topic-layout .sidebar-section{margin-bottom:25px}.article-layout{display:block;padding-bottom:35px}.article-header{padding:30px 0 25px}.article-header h1{font-size:32px}.article-deck{font-size:14px;line-height:2}.article-body{font-size:16px;line-height:2.1}.article-body h2{font-size:22px;margin-top:27px}.toc{display:none}.mobile-toc{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.mobile-toc summary{cursor:pointer;list-style:none;color:var(--ink)}.mobile-toc summary:after{content:' +';float:right;color:var(--accent)}.mobile-toc[open] summary:after{content:' −'}.mobile-toc ul{padding-left:18px}.mobile-toc li{padding:5px 0}.article-next a{font-size:14px}.archive-head{display:block;padding:30px 0 25px}.archive-head .page-heading{margin-bottom:23px}.search-box{width:100%}.archive-grid{grid-template-columns:1fr;gap:8px;padding-top:22px}.archive-year{font-size:23px}.archive-item{grid-template-columns:44px minmax(0,1fr);gap:12px;padding:17px 0}.archive-item a{font-size:17px}.archive-item .category-tag{display:none}.about-copy p{font-size:14px}}
@media(max-width:380px){.wrap{padding:0 19px}.brand-name{font-size:17px}.nav{gap:13px}.hero h1{font-size:31px}.topic-grid{gap:12px}.topic-card+.topic-card{padding-left:12px}.topic-card h3{font-size:16px}}
@media(max-width:760px){.hero h1{font-size:clamp(25px,7.2vw,32px)}.topic-grid{grid-template-columns:1fr;gap:0}.topic-card{display:grid;grid-template-columns:58px 1fr 18px;column-gap:13px;align-items:baseline;padding:13px 0}.topic-card+.topic-card{border-left:0;border-top:1px solid var(--line);padding:13px 0}.topic-number{grid-row:1/3;font-size:11px}.topic-card h3{grid-column:2;grid-row:1;margin:0;font-size:18px}.topic-card p{grid-column:2;grid-row:2;font-size:11px}.topic-arrow{display:block;grid-column:3;position:static;grid-row:1/3;align-self:center}}

@media(max-width:760px){.site-header{flex-wrap:wrap;gap:10px}.nav{gap:18px}.nav a{display:flex;align-items:center;min-height:44px;padding:6px 2px}.site-footer{font-size:11px}}

.article-content{max-width:680px}.article-content .post-row h3{font-size:19px}.page-heading h1{overflow-wrap:anywhere}.nav{flex-wrap:wrap}main>h2{font-size:16px}.article-content section{min-width:0}