body{margin:0;background:#f4f8fa;color:#073f68}.guide-nav{background:#052e48;color:#fff}.guide-nav .container{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px}.guide-brand{font-weight:900;letter-spacing:1.5px}.back-link{font-size:13px;font-weight:800}.guide-hero{padding:28px 0 42px;background:linear-gradient(135deg,#073f68,#0c7896);color:#fff}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12px;font-weight:800;color:#d8f1f4}.breadcrumbs a{text-decoration:underline;text-underline-offset:3px}.guide-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:end;margin-top:28px}.guide-hero h1{font-size:clamp(38px,6vw,68px);line-height:1;margin:12px 0 18px}.guide-hero p{font-size:18px;line-height:1.65;max-width:670px}.guide-hero img{display:block;width:100%;height:290px;border-radius:22px;object-fit:cover;box-shadow:0 18px 40px #001c3455}.guide-body{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:44px;padding-top:58px;padding-bottom:75px}.article-copy{font-size:17px;line-height:1.75;color:#38525f}.article-copy h2{font-size:30px;line-height:1.12;color:#073f68;margin:38px 0 12px}.article-copy p{margin:0 0 18px}.article-meta{display:flex;flex-wrap:wrap;gap:7px 14px;padding:13px 0 20px;border-bottom:1px solid #d5e5ea;font-size:12px;font-weight:700;color:#607984}.article-meta span+span:before{content:"•";margin-right:14px;color:#0b98ac}.expert-box{margin-top:30px;border:1px solid #c2e4e8;border-radius:18px;padding:24px;background:#e6f5f7}.expert-box h2{font-size:21px;margin:0 0 14px}.expert-box ul{padding-left:20px;margin:0}.expert-box li{margin:0 0 10px}.category-tag{font-size:11px;letter-spacing:1.5px;font-weight:900;color:#10a2b6}.article-footer{font-size:13px;color:#607984;border-top:1px solid #d5e5ea;padding-top:18px;margin-top:30px}.article-links{display:flex;flex-wrap:wrap;gap:11px;margin-top:18px}.article-links a{border:1px solid #c9e0e6;border-radius:999px;padding:9px 12px;font-size:12px;font-weight:900;color:#087b91}.top10-callout{align-self:start;position:sticky;top:24px;border:1px solid #cfe1e7;border-radius:20px;padding:24px;background:#fff}.top10-callout h2{font-size:25px;line-height:1.1;margin:8px 0 12px}.top10-callout p{color:#536e7a;line-height:1.6}.top10-callout a{display:inline-block;margin-top:6px;border-radius:999px;padding:12px 16px;background:#073f68;color:#fff;font-size:13px;font-weight:900}@media(max-width:800px){.guide-hero-grid,.guide-body{grid-template-columns:1fr}.guide-hero img{height:230px}.guide-body{padding-left:22px;padding-right:22px;gap:26px}.top10-callout{position:static;order:-1}.article-copy{font-size:16px}}@media(max-width:520px){.guide-nav .container{min-height:60px}.guide-hero h1{font-size:39px}}