:root{--a:#278eb4;--h:#226077;--t:#1f2628;--m:#636f74;--b:#d9e0e3;--bg:#f6f8f9;--c:#ffffff;--k:#255465}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--t);font:17px/1.75 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif}
a{color:var(--a)}a:hover,a:focus{color:var(--h)}
.bdj-skip-nav{position:absolute;left:-9999px;top:8px;background:var(--c);color:var(--h);padding:8px 14px;border-radius:6px;z-index:10}.bdj-skip-nav:focus{left:12px}
.bdj-page-header{background:#255465;color:#fff;border-bottom:4px solid var(--a)}
.bdj-branding{max-width:1120px;margin:0 auto;padding:16px 14px;display:flex;align-items:center;gap:14px}
@media (min-width:900px){.bdj-branding{padding:28px 20px;gap:18px}}
.bdj-branding img,.bdj-branding amp-img{flex:0 0 auto;border-radius:16px;box-shadow:0 0 0 3px rgba(255,255,255,.18)}
.bdj-site-content{max-width:860px;margin:0 auto;padding:24px 14px 36px;display:grid;gap:24px;grid-template-columns:minmax(0,1fr)}
@media (min-width:900px){.bdj-site-content{grid-template-columns:minmax(0,1fr);gap:32px;padding:44px 20px 52px}}
.bdj-article-card{background:var(--c);border:1px solid var(--b);border-radius:16px;padding:26px 20px}
@media (min-width:600px){.bdj-article-card{padding:40px 46px}}
h1{margin:0;color:#fff;font-size:clamp(1.3rem,.95rem + 1.7vw,2.1rem);line-height:1.25;font-weight:700;letter-spacing:-.01em;overflow-wrap:anywhere}
.bdj-prose p{margin:0 0 1.2em}.bdj-prose p:last-child{margin-bottom:0}
.bdj-prose h2{margin:1.9em 0 .7em;color:var(--h);font-size:clamp(1.25rem,1.05rem + .8vw,1.55rem);line-height:1.3;font-weight:700;padding-left:14px;border-left:4px solid var(--a)}
.bdj-prose h3{margin:1.4em 0 .45em;color:var(--t);font-size:clamp(1.07rem,1rem + .3vw,1.18rem);line-height:1.35;font-weight:650}
.bdj-entry-intro{margin:0 0 .4em}.bdj-entry-intro p:first-child{font-size:1.04em}
.bdj-topic{margin:0}.bdj-topic>h2:first-child{margin-top:1.9em}
.bdj-side-panel{background:var(--c);border:1px solid var(--b);border-top:4px solid var(--a);border-radius:16px;padding:20px 22px}
@media (min-width:900px){.bdj-side-panel{position:sticky;top:24px}}
.bdj-side-panel .bdj-panel-title{margin:0 0 8px;font-weight:700;color:var(--t);font-size:1.05rem}
.bdj-side-panel ul{list-style:none;margin:0;padding:0}
.bdj-side-panel li{padding:10px 0;border-bottom:1px dashed var(--b);font-size:.95rem;line-height:1.55}
.bdj-side-panel li:last-child{border-bottom:0;padding-bottom:0}
.bdj-side-panel strong{color:var(--t)}
.bdj-colophon{background:var(--k);color:#eef2f4}
.bdj-footer-wrap{max-width:1120px;margin:0 auto;padding:26px 20px 28px;font-size:.92rem;line-height:1.65}
.bdj-footer-wrap p{margin:0 0 10px}.bdj-legal-line{opacity:.72;font-size:.85rem;margin:0}


.bdj-toc{margin:1.6em 0 .4em;padding:14px 18px;border:1px solid var(--b);border-left:4px solid var(--a);border-radius:10px;background:var(--bg)}.bdj-toc p{margin:0 0 6px;font-size:.95rem;color:var(--h)}.bdj-toc ol{margin:0;padding-left:1.3em;columns:2;column-gap:24px;font-size:.93rem;line-height:1.5}.bdj-toc li{break-inside:avoid;padding:2px 0}.bdj-toc a{text-decoration:none}.bdj-toc a:hover,.bdj-toc a:focus{text-decoration:underline}@media (max-width:600px){.bdj-toc ol{columns:1}}