:root{--bg:#ffffff;--ink:#13294b;--mu:#5a6b82;--ac:#1c8c8c;--ln:#e3e8ef}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.7 'Source Sans 3',system-ui,sans-serif}
a{color:inherit}img{max-width:100%;height:auto}
.bh-w{max-width:1120px;margin:0 auto;padding:0 20px}
.bh-name{font-family:'Source Serif 4',Georgia,serif;text-decoration:none;font-weight:700}
.bh-nav a{text-decoration:none;color:var(--mu);margin-left:22px;font-size:15px}.bh-nav a:hover{color:var(--ac)}
.bh-tag{color:var(--mu);font-size:15px;margin:4px 0 0}
.bh-cat{display:inline-block;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ac);text-decoration:none;font-weight:600}
.bh-meta{color:var(--mu);font-size:14px}
.bh-body h2,.bh-body h3,h1{font-family:'Source Serif 4',Georgia,serif;line-height:1.25}
.bh-body h2{font-size:1.55em;margin:1.8em 0 .6em}.bh-body h3{font-size:1.2em;margin:1.4em 0 .5em}
.bh-body table{border-collapse:collapse;width:100%;font-size:15px;margin:1.2em 0;display:block;overflow-x:auto}
.bh-body th,.bh-body td{border:1px solid var(--ln);padding:8px 10px;text-align:left;vertical-align:top}
.bh-body th{background:color-mix(in srgb,var(--ac) 8%,transparent)}
.bh-body blockquote{margin:1.2em 0;padding:.4em 1.1em;border-left:3px solid var(--ac);color:var(--mu)}
.bh-body a{color:var(--ac)}
.bh-note{font-size:14px;color:var(--mu);border-top:1px solid var(--ln);margin-top:2.5em;padding-top:1em}
.bh-rel h3{font-family:'Source Serif 4',Georgia,serif}.bh-rel a{display:block;padding:8px 0;border-bottom:1px solid var(--ln);text-decoration:none}
.bh-ftr{margin-top:70px;border-top:1px solid var(--ln);padding:30px 0;color:var(--mu);font-size:14px}
.bh-ftr a{color:var(--mu);margin-right:16px}
.bh-crumb{font-size:13px;color:var(--mu);margin:22px 0 0}.bh-crumb a{text-decoration:none}
@media(max-width:760px){.bh-nav a{margin:0 14px 0 0}body{font-size:16px}}

.bh-hdr{padding:22px 0;border-bottom:2px solid var(--ink)}
.bh-hdr .bh-w{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px}
.bh-hdr .bh-name{font-size:24px}
.bh-main{max-width:780px;margin:0 auto}
.bh-row{display:grid;grid-template-columns:130px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--ln)}
.bh-row time{color:var(--mu);font-size:14px;padding-top:5px}.bh-row h3{font-family:'Source Serif 4',serif;font-size:22px;margin:0 0 .3em;line-height:1.3}
.bh-row a{text-decoration:none}.bh-row p{margin:0;color:var(--mu);font-size:15px}
.bh-toc{background:color-mix(in srgb,var(--ac) 6%,transparent);border:1px solid var(--ln);padding:14px 20px;border-radius:6px;font-size:15px}
.bh-toc ol{margin:.4em 0 0;padding-left:20px}.bh-toc a{text-decoration:none}
.bh-main h1{font-size:38px;margin:.4em 0 .2em}
@media(max-width:600px){.bh-row{grid-template-columns:1fr;gap:4px}.bh-main h1{font-size:29px}}