:root{--bg:#4687bf;--accent:#2ea3f2;--link:#0d6ead;--footer:#222;--footer2:#1f1f1f;--text:#555;--head:#222;--muted:#595959} *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.7;color:var(--text);background:var(--bg)} img{max-width:100%;height:auto;display:block} a{color:var(--link);text-decoration:none} a:hover{text-decoration:underline} main a,.related a,.breadcrumbs a{text-decoration:underline;text-underline-offset:2px} #top-menu a,.btn,.footer-grid a,#footer-bottom a,.tabs-nav a,.tabs-nav span{text-decoration:none} #page-container{max-width:1080px;margin:0 auto;background:#fff;min-height:100vh;box-shadow:0 0 24px rgba(0,0,0,.12)} .skip-link{position:absolute;left:-999px;top:0;background:#000;color:#fff;padding:.5rem 1rem;z-index:9999} .skip-link:focus{left:8px;top:8px} #main-header{background:#fff;border-bottom:1px solid rgba(0,0,0,.08);position:sticky;top:0;z-index:200} .header-inner{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 16px;flex-wrap:wrap} #logo{width:170px;height:67px;object-fit:contain} #top-menu{display:flex;flex-wrap:wrap;list-style:none;margin:0;padding:0;gap:4px 0} #top-menu>li{position:relative} #top-menu>li>a{display:block;padding:8px 8px;color:#333;font-size:12px;font-weight:700;letter-spacing:.02em;text-transform:uppercase} #top-menu>li>a:hover,#top-menu>li>a[aria-current="page"]{color:var(--accent);text-decoration:none} #top-menu .sub-menu{display:none;position:absolute;left:0;top:100%;min-width:240px;background:#fff;border-top:3px solid var(--accent);box-shadow:0 8px 18px rgba(0,0,0,.12);list-style:none;margin:0;padding:10px 0;z-index:30} #top-menu>li:hover>.sub-menu,#top-menu>li:focus-within>.sub-menu{display:block} #top-menu .sub-menu a{display:block;padding:8px 16px;color:#333;font-size:13px} #top-menu .sub-menu a:hover{background:#f4f8fc;text-decoration:none;color:var(--accent)} .nav-toggle{display:none;background:#fff;border:1px solid #ddd;padding:8px 12px;font-weight:700} .breadcrumbs{padding:12px 24px 0;font-size:13px;color:var(--muted)} .breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0} .breadcrumbs li:not(:last-child)::after{content:"→";margin-left:6px;color:#bbb} main{padding:8px 24px 40px} h1,h2,h3,h4{color:var(--head);line-height:1.3;font-weight:600} h1{font-size:32px;margin:16px 0 18px} h2{font-size:22px;margin:28px 0 12px} h3{font-size:18px;margin:22px 0 10px} p{margin:0 0 14px} .lead{font-size:17px} .hero{margin:0 -24px 24px;position:relative} .hero img{width:100%;max-height:420px;object-fit:cover} .hero-caption{padding:10px 24px;font-size:13px;color:var(--muted)} .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:20px 0} .card{border:1px solid #d8d8d8;padding:16px;background:#fff} .card img{width:100%;height:160px;object-fit:cover;margin-bottom:10px} .card h2,.card h3{font-size:18px;margin:0 0 8px} .btn{display:inline-block;border:2px solid var(--link);color:var(--link);padding:8px 16px;margin-top:8px;font-weight:700} .btn:hover{background:var(--link);color:#fff;text-decoration:none} table{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:15px} th,td{border:1px solid #ddd;padding:8px 10px;text-align:left} th{background:#eef6fc} article ul,article ol,.prose ul,.prose ol{margin:0 0 16px 20px} a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #2ea3f2;outline-offset:2px} img[loading]{content-visibility:auto} .related{background:#f7fbfe;border:1px solid #d6e8f6;padding:16px 18px;margin:28px 0} .related ul{margin:8px 0 0 18px} .tabs{border:1px solid #0d6ead;margin:24px 0} .tabs-nav{display:flex;background:#0d6ead} .tabs-nav a,.tabs-nav span{padding:10px 18px;color:#fff;font-weight:700} .tabs-nav .is-active{background:#fff;color:#222} .tab-item{padding:14px 16px;border-top:1px solid #e6eef8} .tab-item h2{font-size:16px;margin:0 0 6px} #main-footer{background:var(--footer);color:#fff;padding:36px 24px 12px} .footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px} .footer-grid h2{color:var(--accent);font-size:15px;margin:0 0 10px;text-transform:uppercase} .footer-grid ul{list-style:none;margin:0;padding:0} .footer-grid a{color:#fff;font-size:13px} .footer-grid li{margin:0 0 8px;padding-left:12px;position:relative} .footer-grid li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border:2px solid var(--accent);border-radius:2px} #footer-bottom{background:var(--footer2);color:#aaa;padding:14px 24px;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap} #footer-bottom a{color:#ccc} .search-box{display:flex} .search-box input{flex:1;height:40px;border:1px solid #ddd;padding:0 10px} .search-box button{height:40px;border:0;background:#ddd;padding:0 14px;font-weight:700;cursor:pointer} .meta{font-size:13px;color:var(--muted);margin-bottom:16px} .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)} @media(max-width:900px){ .card-grid,.footer-grid{grid-template-columns:1fr 1fr} #top-menu{display:none} #top-menu.is-open{display:flex;flex-direction:column;position:absolute;left:0;right:0;top:100%;background:#fff;padding:10px 0;box-shadow:0 10px 20px rgba(0,0,0,.12)} #top-menu .sub-menu{position:static;display:block;box-shadow:none;border:0;padding:0 0 0 12px} .nav-toggle{display:inline-block} .header-inner{flex-wrap:wrap} } @media(max-width:640px){ .card-grid,.footer-grid{grid-template-columns:1fr} h1{font-size:26px} main{padding:8px 16px 32px} .hero{margin:0 -16px 16px} }