.ob-page{--ob-ink:#222222;--ob-heading:#14161b;--ob-muted:#606773;--ob-red:#a7222d;--ob-gold:#d9aa5f;--ob-panel:#f7f7f8;--ob-line:#dedfe3;width:100%;max-width:1080px;margin:0 auto;padding:8px 0 46px;box-sizing:border-box;color:var(--ob-ink);font-family:Montserrat,Arial,Helvetica,sans-serif;font-size:18px;font-weight:400;line-height:1.5;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}
.ob-page *{box-sizing:border-box}
.ob-page h2,.ob-page h3{color:var(--ob-heading);font-weight:700}
.ob-page h2{margin:1.6em 0 .7em;font-size:clamp(24px,2.8vw,32px);line-height:1.25;letter-spacing:-.01em}
.ob-page h3{margin:1.4em 0 .6em;font-size:clamp(19px,2vw,22px);line-height:1.3}
.ob-page p,.ob-page ul,.ob-page ol{margin:0 0 1.5em}
.ob-page ul,.ob-page ol{padding-left:23px}
.ob-page li{margin:7px 0}
.ob-page a{color:var(--ob-red);text-decoration:underline;text-underline-offset:3px}
.ob-page a:focus-visible{outline:3px solid #77bce9;outline-offset:3px}
.ob-page img{max-width:100%;height:auto}
.ob-hero-figure,.ob-fig{margin:0 0 1.5em}
.ob-fig{margin-top:1.6em}
.ob-hero-figure img,.ob-page .ob-fig img{display:block;width:100%;border-radius:12px;background:#f2f2f2}
.ob-page figcaption{margin-top:8px;color:var(--ob-muted);font-size:14px;line-height:1.45}
.ob-author{display:flex;gap:16px;align-items:flex-start;margin:22px 0 8px;padding:18px;border:1px solid var(--ob-line);border-top:3px solid var(--ob-gold);border-radius:12px;background:var(--ob-panel)}
.ob-author img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:none}
.ob-author-name{margin:0 0 2px!important;font-weight:700}
.ob-author-role{margin:0 0 6px!important;color:var(--ob-muted);font-size:14px}
.ob-author-bio{margin:0!important;font-size:15px;line-height:1.55}
.ob-toc{margin:0 0 1.5em;border:1px solid var(--ob-line);border-radius:10px;background:#fff}
.ob-toc summary{padding:15px 18px;cursor:pointer;font-weight:700;list-style:none}
.ob-toc summary::-webkit-details-marker{display:none}
.ob-toc summary::after{content:"+";float:right;color:var(--ob-red);font-size:22px;font-weight:500}
.ob-toc[open] summary::after{content:"−"}
.ob-toc ol{margin:0;padding:4px 18px 16px 40px;columns:2;column-gap:28px}
.ob-toc li{margin:6px 0;break-inside:avoid}
.ob-quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 1.7em}
.ob-quick-item{padding:16px;border:1px solid var(--ob-line);border-top:3px solid var(--ob-gold);border-radius:10px;background:#fff}
.ob-quick-item strong{display:block;margin-bottom:5px;color:var(--ob-heading)}
.ob-quick-item span{display:block;color:var(--ob-muted);font-size:15px;line-height:1.5}
.ob-callout{margin:0 0 1.5em;padding:16px 18px;border-left:4px solid var(--ob-red);border-radius:0 10px 10px 0;background:var(--ob-panel)}
.ob-table-wrap{overflow-x:auto;margin:0 0 1.5em;border:1px solid var(--ob-line);border-radius:12px;-webkit-overflow-scrolling:touch}
.ob-page table{width:100%;min-width:640px;border-collapse:collapse;background:#fff}
.ob-page th,.ob-page td{padding:12px 14px;border-bottom:1px solid var(--ob-line);text-align:left;vertical-align:top}
.ob-page th{background:#1c2028;color:#fff;font-weight:700}
.ob-page tr:last-child td{border-bottom:0}
.ob-faq details{margin:10px 0;border:1px solid var(--ob-line);border-radius:10px;background:#fff}
.ob-faq summary{position:relative;padding:15px 52px 15px 17px;cursor:pointer;font-weight:700;list-style:none}
.ob-faq summary::-webkit-details-marker{display:none}
.ob-faq summary::after{content:"+";position:absolute;right:17px;top:50%;transform:translateY(-50%);color:var(--ob-red);font-size:24px;font-weight:500}
.ob-faq details[open] summary::after{content:"−"}
.ob-faq details p{margin:0;padding:0 17px 17px;color:#363b44}
.ob-cta{margin:2em 0;padding:clamp(26px,4vw,40px);border-radius:14px;text-align:center;background:var(--ob-panel);border:1px solid var(--ob-line)}
.ob-cta h2{margin-top:0}
.ob-button{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:13px 28px;border-radius:8px;background:var(--ob-red);color:#fff!important;font-weight:700;letter-spacing:.04em;text-transform:uppercase;text-decoration:none!important}
.ob-button:hover{transform:translateY(-1px)}
.ob-button:focus-visible{outline:3px solid #77bce9;outline-offset:3px}
.ob-related h3{margin-bottom:.5em}
@media(max-width:820px){.ob-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.ob-author{flex-direction:column}.ob-toc ol{columns:1}.ob-quick-grid{grid-template-columns:1fr}.ob-button{width:100%}}
@media(prefers-reduced-motion:reduce){.ob-button{transition:none}}