:root{--bg: #fbfaf6;--paper: #fffefa;--ink: #26231f;--muted: #706a60;--line: #ddd5c8;--accent: #61745a;--accent-soft: #eef2e8;--max: 880px}*{box-sizing:border-box}html{background:var(--bg);color:var(--ink);line-height:1.85;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}html[lang=zh-Hans]{font-family:PingFang SC,Hiragino Sans GB,Noto Sans CJK SC,Source Han Sans SC,system-ui,sans-serif}html[lang=ja]{font-family:Hiragino Sans,Yu Gothic,Noto Sans CJK JP,Source Han Sans JP,system-ui,sans-serif}body{margin:0}a{color:inherit;text-decoration-thickness:.08em;text-underline-offset:.18em}.site-header,.page-shell,.site-footer{width:min(var(--max),calc(100% - 32px));margin-inline:auto}.site-header{padding:36px 0 22px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;flex-direction:column;gap:4px;text-decoration:none}.site-title{font-size:clamp(2rem,5vw,3.6rem);font-weight:500;letter-spacing:.16em;line-height:1.1}.site-subtitle{color:var(--muted);font-size:.96rem;letter-spacing:.08em}.site-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.site-nav a{display:inline-flex;align-items:baseline;gap:8px;padding:7px 11px;border:1px solid var(--line);border-radius:999px;background:#ffffff73;text-decoration:none}.site-nav a:hover{background:var(--accent-soft);border-color:var(--accent)}.site-nav small{color:var(--muted);font-size:.72rem;font-family:ui-serif,Georgia,serif}.language-switch{margin-top:18px;color:var(--muted);font-size:.9rem}.language-switch a{text-decoration:none}.language-switch a.active{color:var(--ink);font-weight:700}.page-shell{padding:48px 0 64px}.hero{padding:42px 0 24px}.hero h1,.article h1{margin:0 0 16px;font-size:clamp(2rem,5vw,3.3rem);font-weight:500;letter-spacing:.08em;line-height:1.25}.hero .lead{max-width:42rem;color:var(--muted);font-size:1.08rem}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-top:32px}.card{display:block;min-height:150px;padding:20px;border:1px solid var(--line);border-radius:18px;background:var(--paper);text-decoration:none}.card:hover{border-color:var(--accent);background:var(--accent-soft)}.card h2{margin:0 0 6px;font-size:1.25rem;font-weight:600}.card small{color:var(--muted);letter-spacing:.04em}.card p{margin-bottom:0;color:var(--muted)}.article{max-width:44rem}html[lang=zh-Hans] .article{font-family:Songti SC,STSong,"Noto Serif CJK SC","Source Han Serif SC",serif}html[lang=ja] .article{font-family:Hiragino Mincho ProN,Yu Mincho,"Noto Serif CJK JP","Source Han Serif JP",serif}.article h1{font-size:clamp(1.8rem,4vw,2.7rem)}.notice{margin:28px 0;padding:18px 20px;border-left:4px solid var(--accent);background:var(--accent-soft);color:#3b4637}.site-footer{padding:28px 0 40px;border-top:1px solid var(--line);color:var(--muted);font-size:.86rem}@media(max-width:640px){.site-title{letter-spacing:.08em}.site-nav{gap:8px}.site-nav a{padding:6px 9px}}.article-header{margin-bottom:36px;padding-bottom:20px;border-bottom:1px solid var(--line)}.article-subtitle{margin-top:-6px;color:var(--muted);font-size:1.08rem}.article-meta{display:grid;grid-template-columns:max-content 1fr;gap:4px 12px;margin-top:18px;color:var(--muted);font-size:.86rem}.article-meta dt{font-family:ui-serif,Georgia,serif;text-transform:uppercase;letter-spacing:.08em}.article-meta dd{margin:0}.article p{margin:1.1em 0}.article blockquote{margin:1.5em 0;padding-left:1em;border-left:3px solid var(--line);color:var(--muted)}.article code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em}.article pre{overflow-x:auto;padding:16px;border-radius:12px;background:#f2eee6}.article-vertical{max-width:none;min-height:70vh;writing-mode:vertical-rl;text-orientation:mixed;overflow-x:auto;padding:24px 0}.article-vertical .article-header{margin-bottom:0;margin-left:36px;padding-bottom:0;padding-left:20px;border-bottom:none;border-left:1px solid var(--line)}.article-vertical p{margin:0 1em}@media(max-width:760px){.article-vertical{writing-mode:horizontal-tb;max-width:44rem}.article-vertical .article-header{margin-left:0;margin-bottom:36px;padding-left:0;padding-bottom:20px;border-left:none;border-bottom:1px solid var(--line)}}.article-list{display:grid;gap:14px;margin:28px 0 0;padding:0;list-style:none}.article-list li{padding:16px 0;border-top:1px solid var(--line)}.article-list a{display:inline-flex;flex-direction:column;gap:4px;text-decoration:none}.article-list a:hover .article-list-title{text-decoration:underline;text-underline-offset:.18em}.article-list-title{font-size:1.08rem;font-weight:600}.article-list-subtitle{color:var(--muted);font-size:.94rem}.article-list-meta{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 0;color:var(--muted);font-size:.82rem}.article-list-meta span,.article-list-meta time{display:inline-flex;align-items:center;gap:4px}.article-list-meta span:before{content:"·";color:var(--line)}.empty-list{margin-top:28px;color:var(--muted)}html .article[lang=zh-Hans],html .article[lang=zh-Hant]{font-family:Songti SC,STSong,"Noto Serif CJK SC","Source Han Serif SC",serif}html .article[lang=ja]{font-family:Hiragino Mincho ProN,Yu Mincho,"Noto Serif CJK JP","Source Han Serif JP",serif}html .article[lang=en]{font-family:Georgia,Times New Roman,serif}