:root{color-scheme:light dark;--bg:#f5f6f8;--panel:#fff;--text:#242a32;--muted:#68727e;--line:#e5e8ed;--accent:#335b50;--tint:#edf4f0;--page-width:1180px;--gap:20px;--padding:24px;--radius:10px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 system-ui,"Microsoft YaHei",sans-serif}body.theme-riki{--bg:#f5f1eb;--panel:#fffdf9;--text:#302b25;--muted:#74695e;--line:#e8dfd3;--accent:#a74b28;--tint:#f6ece2}body.theme-www-riki{--bg:#f0f5f5;--panel:#fff;--text:#24373b;--muted:#617579;--line:#dce7e7;--accent:#08746f;--tint:#e7f3f1}a{color:inherit;text-decoration:none}a:hover{color:var(--accent);text-decoration:underline}a:focus-visible{outline:#888 solid 1px;outline-offset:3px}.site-head,body>footer,main{width:min(var(--page-width),calc(100% - 40px));margin-inline:auto}.site-head{padding-block:24px 0}.brand{display:inline-block;line-height:0}.brand img{display:block;width:220px;max-width:100%;height:auto}.masthead{display:inline-flex;align-items:center;gap:12px}.masthead:hover{text-decoration:none}.masthead img{display:block;width:220px;height:64px;max-width:100%;object-fit:contain}.mark{display:grid;place-items:center;flex:0 0 44px;height:44px;border-radius:50%;background:var(--accent);color:var(--panel);font-size:20px;font-weight:800}.site-title{display:block;font-size:23px;font-weight:800;line-height:1.4}.site-subtitle{display:block;color:var(--muted);font-size:12px}.site-head>nav{display:flex;flex-wrap:wrap;gap:6px;margin-top:20px;padding-block:12px;border-block:1px solid var(--line)}.site-head>nav a{display:flex;align-items:center;min-height:36px;padding:4px 14px;border-radius:6px;font-size:14px}.site-head>nav a[aria-current]{background:var(--accent);color:var(--panel);font-weight:600}.theme-www-riki .site-head{display:flex;align-items:center;justify-content:space-between;gap:var(--gap);margin-top:20px;padding:18px var(--padding);border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}.theme-www-riki .site-head>nav{justify-content:flex-end;margin:0;padding:0;border:0}.theme-www-riki .mark{border:2px solid var(--accent);border-radius:10px;background:var(--panel);color:var(--accent);font-size:16px}main{padding-block:var(--gap) 32px}.seo-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:var(--gap)}.seo-layout.no-sidebar{grid-template-columns:minmax(0,1fr)}.seo-primary,.seo-sidebar{min-width:0}.page-heading,.post-detail,.posts,.seo-sidebar,.topic-intro{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.seo-sidebar{padding:var(--padding)}h1,h2{margin:0;overflow-wrap:anywhere}h1{font-size:26px;line-height:1.5}h2{font-size:18px;line-height:1.6}.seo-sidebar h2{padding-bottom:14px;border-bottom:1px solid var(--line);font-size:17px}.seo-keyword-tags,.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 0}.seo-keyword-tags a,.topic-tags a{display:inline-block;max-width:100%;padding:4px 10px;border:1px solid var(--line);border-radius:6px;background:var(--tint);color:var(--accent);font-size:13px;line-height:1.65;overflow-wrap:anywhere}.page-heading{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 16px;padding:16px var(--padding);margin-bottom:16px}.page-heading h1{font-size:21px}.page-heading p{margin:8px 0 0;color:var(--muted);font-size:14px}.page-heading span,.post-meta,body>footer,time{font-size:13px;color:var(--muted)}.posts{list-style:none;padding:0;margin:0;overflow:hidden}.posts>li+li{border-top:1px solid var(--line)}.post-card{display:flex;align-items:flex-start;gap:var(--gap);padding:var(--padding)}.post-copy{min-width:0;flex:1}.thumbnail{display:block;flex:0 0 160px;overflow:hidden;border-radius:6px;background:var(--bg)}.thumbnail img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;font-size:0;color:transparent}.summary{margin:8px 0 0;color:var(--muted);font-size:14px;overflow-wrap:anywhere}.post-meta{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 16px;margin-top:12px}.post-meta>a,.post-meta>span:first-child{color:var(--accent)}.pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:6px;margin:24px 0 0}.pagination a,.pagination span{display:grid;place-items:center;min-width:36px;min-height:36px;padding:4px 10px;border:1px solid var(--line);border-radius:6px;background:var(--panel);font-size:14px}.pagination [aria-current]{background:var(--accent);border-color:var(--accent);color:var(--panel)}.pagination .ellipsis{background:0 0;border:0}.breadcrumb{margin-bottom:16px;color:var(--muted);font-size:13px;overflow-wrap:anywhere}.breadcrumb ol{display:flex;flex-wrap:wrap;gap:4px 8px;list-style:none;padding:0;margin:0}.breadcrumb li{min-width:0}.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--muted)}.post-detail,.topic-intro{padding:var(--padding)}.article-head{margin-bottom:24px;padding-bottom:20px;border-bottom:1px solid var(--line)}.content{font-size:16px;line-height:1.95;overflow-wrap:anywhere}.content p{margin:0 0 16px}.content figure{margin:20px 0}.content img{display:block;max-width:100%;height:auto;margin-inline:auto}.content a{color:var(--accent);text-decoration:underline}.content ol,.content ul,.topic-intro ul{padding-left:24px}.content pre{white-space:pre-wrap}.content blockquote{margin:16px 0;padding:8px 16px;border-left:3px solid var(--line);background:var(--bg)}.content>section,.related{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}.content>section>h2,.related h2{margin-bottom:14px}.related ul{list-style:none;margin:0;padding:0}.related li+li{border-top:1px solid var(--line)}.related a{display:block;padding-block:10px;overflow-wrap:anywhere}.post-detail>.topic-tags{padding-top:16px;border-top:1px solid var(--line)}.topic-intro{margin-bottom:16px}.topic-intro li,.topic-intro p{font-size:14px}.topic-aliases{color:var(--muted)}.topic-directory{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:16px}.topic-directory .topic-intro{margin:0}body>footer{padding-block:20px 32px;border-top:1px solid var(--line)}@media (max-width:900px){.seo-layout{grid-template-columns:minmax(0,1fr) 240px}.thumbnail{flex-basis:128px}.theme-www-riki .site-head{flex-direction:column;align-items:flex-start}.theme-www-riki .site-head>nav{justify-content:flex-start}}@media (max-width:760px){:root{--gap:16px;--padding:18px;--radius:8px}.site-head,body>footer,main{width:calc(100% - 24px)}.site-head{padding-top:18px}.site-head>nav{margin-top:16px}.site-head>nav a{padding-inline:10px}.seo-layout{grid-template-columns:minmax(0,1fr)}.seo-sidebar{order:2}h1{font-size:23px}.post-card{gap:12px}.thumbnail{flex-basis:104px}.post-copy h2{font-size:16px}.summary{font-size:13px}.post-meta{gap:4px 12px;font-size:12px}.post-meta time{font-size:inherit}}@media (max-width:380px){.post-card{flex-wrap:wrap}.post-copy{flex-basis:100%}.thumbnail{flex-basis:100%;max-width:160px}}@media (prefers-color-scheme:dark){:root,body.theme-riki,body.theme-www-riki{--bg:#171a1e;--panel:#22262c;--text:#e7ebef;--muted:#adb6c0;--line:#3b424b;--accent:#a4cfbd;--tint:#2b3832}body.theme-riki{--accent:#edb28b;--tint:#3b3029}body.theme-www-riki{--accent:#92cfc9;--tint:#293b3a}}