*,*::before,*::after{box-sizing:border-box}body{font:17px/1.75 system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:#f6f9fc;color:#203040;margin:0}.guide-header{background:#122d43;color:white;padding:20px max(20px,calc((100vw - 1100px)/2));display:flex;gap:18px;align-items:center;flex-wrap:wrap}.guide-header a{color:white}.page{max-width:960px;margin:32px auto;padding:0 22px 50px}h1{font-size:clamp(1.75rem,4vw,2.7rem);line-height:1.18}h2{font-size:1.4rem;margin-top:34px}h3{font-size:1.12rem;margin:24px 0 8px}p{margin:10px 0 17px}a{color:#086b9c}a:hover{text-decoration:underline}.lead{font-size:1.11rem;color:#455c6d}.topic{padding:14px 24px;background:white;border-radius:14px;box-shadow:0 1px 8px #dfe7ee;margin:18px 0}.topic p{line-height:1.72}nav.breadcrumbs{font-size:.9rem;color:#667}.guide-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:12px;margin:25px 0}.guide-links a{padding:15px;border:1px solid #d8e3ea;border-radius:9px;background:white}.download-button{border:0;background:#176ca6;color:white;cursor:pointer;font:600 1rem system-ui;border-radius:9px;padding:13px 24px}footer{padding:22px;text-align:center;background:#122d43;color:white}footer a{color:#e7fbff}