:root{--a:#278ab4;--h:#225e77;--t:#1f2528;--m:#636f74;--b:#d9e0e3;--bg:#f6f8f9;--c:#ffffff;--k:#255265}
*,*::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)}
.rck-skip-to-content{position:absolute;left:-9999px;top:8px;background:var(--c);color:var(--h);padding:8px 14px;border-radius:6px;z-index:10}.rck-skip-to-content:focus{left:12px}
.rck-masthead{background:#255265;color:#fff;border-bottom:4px solid var(--a)}
.rck-header-wrap{max-width:1160px;margin:0 auto;padding:16px 14px;display:flex;align-items:center;gap:14px}
@media (min-width:900px){.rck-header-wrap{padding:28px 20px;gap:18px}}
.rck-header-wrap img,.rck-header-wrap amp-img{flex:0 0 auto;border-radius:8px;box-shadow:0 0 0 3px rgba(255,255,255,.18)}
.rck-site-content{max-width:1160px;margin:0 auto;padding:24px 14px 36px;display:grid;gap:24px;grid-template-columns:minmax(0,1fr)}
@media (min-width:900px){.rck-site-content{grid-template-columns:minmax(0,1fr) 290px;gap:32px;padding:44px 20px 52px}}
.rck-post{background:var(--c);border:1px solid var(--b);border-radius:8px;padding:26px 20px}
@media (min-width:600px){.rck-post{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}
.rck-prose p{margin:0 0 1.2em}.rck-prose p:last-child{margin-bottom:0}
.rck-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)}
.rck-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}
.rck-lead{margin:0 0 .4em}.rck-lead p:first-child{font-size:1.04em}
.rck-post-section{margin:0}.rck-post-section>h2:first-child{margin-top:1.9em}
.rck-info-box{background:var(--c);border:1px solid var(--b);border-top:4px solid var(--a);border-radius:8px;padding:20px 22px}
@media (min-width:900px){.rck-info-box{position:sticky;top:24px}}
.rck-info-box .rck-card-title{margin:0 0 8px;font-weight:700;color:var(--t);font-size:1.05rem}
.rck-info-box ul{list-style:none;margin:0;padding:0}
.rck-info-box li{padding:10px 0;border-bottom:1px dashed var(--b);font-size:.95rem;line-height:1.55}
.rck-info-box li:last-child{border-bottom:0;padding-bottom:0}
.rck-info-box strong{color:var(--t)}
.rck-page-footer{background:var(--k);color:#eef2f4}
.rck-footer-inner{max-width:1160px;margin:0 auto;padding:26px 20px 28px;font-size:.92rem;line-height:1.65}
.rck-footer-inner p{margin:0 0 10px}.rck-copyright{opacity:.72;font-size:.85rem;margin:0}