:root{
  --cs-primary:#2563eb;
  --cs-primary-dark:#1d4ed8;
  --cs-accent:#06b6d4;
  --cs-ink:#0f172a;
  --cs-body:#374151;
  --cs-muted:#6b7280;
  --cs-line:#e5e7eb;
  --cs-bg:#ffffff;
  --cs-soft:#f6f8fb;
  --cs-radius:14px;
  --cs-shadow:0 10px 30px -18px rgba(15,23,42,.35);
  --cs-font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;font-family:var(--cs-font);color:var(--cs-body);background:var(--cs-bg);line-height:1.75;font-size:17px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5,h6{font-family:var(--cs-font);color:var(--cs-ink);line-height:1.25;margin:0 0 .6em;font-weight:700;letter-spacing:-.02em}
h1{font-size:2.2rem}h2{font-size:1.65rem}h3{font-size:1.3rem}
a{color:var(--cs-primary);text-decoration:none}
a:hover{color:var(--cs-primary-dark);text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.cs-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
.skip-link:focus{position:fixed;top:10px;left:10px;z-index:9999;width:auto;height:auto;clip:auto;background:#fff;padding:10px 16px;border-radius:8px}

/* Header */
.cs-topbar{background:var(--cs-ink);color:#cbd5e1;font-size:.8rem}
.cs-topbar .cs-container{display:flex;justify-content:space-between;align-items:center;min-height:38px;gap:16px}
.cs-topbar a{color:#cbd5e1}
.cs-header{background:#fff;border-bottom:1px solid var(--cs-line);position:sticky;top:0;z-index:50}
.cs-header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.cs-brand{display:flex;align-items:center;gap:12px}
.cs-brand img{max-height:46px;width:auto}
.cs-site-title{font-size:1.4rem;font-weight:800;margin:0;letter-spacing:-.03em}
.cs-site-title a{color:var(--cs-ink)}
.cs-tagline{margin:0;font-size:.78rem;color:var(--cs-muted)}
.cs-nav ul{list-style:none;display:flex;gap:26px;margin:0;padding:0}
.cs-nav li{position:relative}
.cs-nav a{color:var(--cs-ink);font-weight:600;font-size:.95rem;padding:8px 0;display:inline-block}
.cs-nav a:hover{color:var(--cs-primary);text-decoration:none}
.cs-nav .sub-menu{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--cs-line);border-radius:10px;box-shadow:var(--cs-shadow);min-width:210px;padding:8px;flex-direction:column;gap:0}
.cs-nav li:hover>.sub-menu{display:flex}
.cs-nav .sub-menu a{padding:8px 12px;width:100%}
.cs-header-actions{display:flex;align-items:center;gap:12px}
.cs-search-toggle,.cs-menu-toggle{background:var(--cs-soft);border:1px solid var(--cs-line);border-radius:10px;padding:9px 12px;cursor:pointer;font-size:.9rem;color:var(--cs-ink)}
.cs-menu-toggle{display:none}
.cs-header-search{display:none;padding:16px 0;border-top:1px solid var(--cs-line);background:var(--cs-soft)}
.cs-header-search.is-open{display:block}

/* Search form */
.cs-searchform{display:flex;gap:8px}
.cs-searchform input[type=search]{flex:1;padding:12px 14px;border:1px solid var(--cs-line);border-radius:10px;font:inherit;background:#fff}
.cs-searchform button{background:var(--cs-primary);color:#fff;border:0;border-radius:10px;padding:12px 20px;font-weight:600;cursor:pointer}
.cs-searchform button:hover{background:var(--cs-primary-dark)}

/* Hero */
.cs-hero{background:linear-gradient(135deg,#eff6ff 0%,#ecfeff 100%);padding:56px 0;border-bottom:1px solid var(--cs-line)}
.cs-hero-title{font-size:2.6rem;margin-bottom:8px}
.cs-hero-sub{font-size:1.1rem;color:var(--cs-muted);margin:0 0 28px}
.cs-featured{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;background:#fff;border:1px solid var(--cs-line);border-radius:var(--cs-radius);overflow:hidden;box-shadow:var(--cs-shadow)}
.cs-featured-thumb img{width:100%;height:100%;object-fit:cover;min-height:280px}
.cs-featured-body{padding:28px 28px 32px;display:flex;flex-direction:column;justify-content:center}
.cs-eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.7rem;font-weight:700;color:var(--cs-primary);margin-bottom:10px}

/* Layout */
.cs-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:44px;padding:48px 0 64px}
.cs-layout.cs-full{grid-template-columns:minmax(0,1fr)}
.cs-section-title{display:flex;align-items:center;gap:12px;font-size:1.15rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:24px}
.cs-section-title::after{content:"";flex:1;height:1px;background:var(--cs-line)}

/* Post cards */
.cs-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.cs-card{background:#fff;border:1px solid var(--cs-line);border-radius:var(--cs-radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease}
.cs-card:hover{transform:translateY(-3px);box-shadow:var(--cs-shadow)}
.cs-card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--cs-soft)}
.cs-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.cs-card:hover .cs-card-thumb img{transform:scale(1.04)}
.cs-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.cs-card-title{font-size:1.15rem;margin:0}
.cs-card-title a{color:var(--cs-ink)}
.cs-card-title a:hover{color:var(--cs-primary);text-decoration:none}
.cs-badge{display:inline-block;background:#eff6ff;color:var(--cs-primary);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;padding:5px 10px;border-radius:999px}
.cs-badge:hover{background:var(--cs-primary);color:#fff;text-decoration:none}
.cs-meta{font-size:.8rem;color:var(--cs-muted);display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.cs-excerpt{margin:0;font-size:.95rem;color:var(--cs-body)}
.cs-readmore{font-weight:700;font-size:.87rem;margin-top:auto}

/* Single */
.cs-entry-header{margin-bottom:26px}
.cs-entry-title{font-size:2.35rem;margin-bottom:14px}
.cs-entry-thumb{margin:0 0 28px;border-radius:var(--cs-radius);overflow:hidden}
.cs-entry-content{font-size:1.05rem}
.cs-entry-content p{margin:0 0 1.35em}
.cs-entry-content h2{margin-top:1.8em}
.cs-entry-content ul,.cs-entry-content ol{padding-left:1.3em}
.cs-entry-content blockquote{margin:1.6em 0;padding:18px 24px;border-left:4px solid var(--cs-primary);background:var(--cs-soft);border-radius:0 12px 12px 0;font-style:italic}
.cs-entry-content table{width:100%;border-collapse:collapse;margin:1.5em 0}
.cs-entry-content th,.cs-entry-content td{border:1px solid var(--cs-line);padding:10px 12px;text-align:left}
.cs-entry-content th{background:var(--cs-soft)}
.cs-toc{background:var(--cs-soft);border:1px solid var(--cs-line);border-radius:var(--cs-radius);padding:20px 24px;margin-bottom:28px}
.cs-toc h2{font-size:1rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:10px}
.cs-toc ol{margin:0;padding-left:1.2em}
.cs-share{display:flex;gap:10px;flex-wrap:wrap;margin:32px 0}
.cs-share a{background:var(--cs-soft);border:1px solid var(--cs-line);border-radius:999px;padding:8px 16px;font-size:.85rem;font-weight:600;color:var(--cs-ink)}
.cs-share a:hover{background:var(--cs-primary);color:#fff;text-decoration:none}
.cs-author-box{display:flex;gap:18px;background:var(--cs-soft);border:1px solid var(--cs-line);border-radius:var(--cs-radius);padding:22px;margin:32px 0}
.cs-author-box img{border-radius:999px}
.cs-postnav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:32px 0}
.cs-postnav a{display:block;border:1px solid var(--cs-line);border-radius:var(--cs-radius);padding:16px 18px;color:var(--cs-ink);font-weight:600}
.cs-postnav span{display:block;font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--cs-muted);margin-bottom:6px}
.cs-tags a{display:inline-block;margin:0 8px 8px 0;font-size:.8rem;background:var(--cs-soft);border:1px solid var(--cs-line);border-radius:999px;padding:5px 12px;color:var(--cs-body)}

/* Sidebar */
.cs-sidebar{display:flex;flex-direction:column;gap:26px}
.cs-widget{background:#fff;border:1px solid var(--cs-line);border-radius:var(--cs-radius);padding:22px}
.cs-widget-title{font-size:.95rem;text-transform:uppercase;letter-spacing:.1em;margin:0 0 16px;padding-bottom:12px;border-bottom:2px solid var(--cs-primary);display:inline-block}
.cs-widget ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.cs-widget ul li{font-size:.92rem;padding-bottom:10px;border-bottom:1px dashed var(--cs-line)}
.cs-widget ul li:last-child{border-bottom:0;padding-bottom:0}
.cs-widget a{color:var(--cs-ink)}
.cs-widget a:hover{color:var(--cs-primary)}
.cs-about-widget{text-align:center}
.cs-about-widget img{margin:0 auto 14px;border-radius:999px;max-width:96px}
.cs-popular li{display:flex;gap:12px;align-items:flex-start}
.cs-popular img{width:76px;height:56px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.cs-popular .cs-meta{font-size:.75rem}
.cs-sticky{position:sticky;top:96px}

/* Pagination */
.cs-pagination{margin-top:40px;display:flex;justify-content:center}
.cs-pagination .page-numbers{display:inline-block;padding:9px 15px;margin:0 4px;border:1px solid var(--cs-line);border-radius:10px;color:var(--cs-ink);font-weight:600}
.cs-pagination .current,.cs-pagination a:hover{background:var(--cs-primary);color:#fff;border-color:var(--cs-primary);text-decoration:none}

/* Forms / buttons */
.cs-btn{display:inline-block;background:var(--cs-primary);color:#fff!important;padding:13px 26px;border-radius:10px;font-weight:700;border:0;cursor:pointer}
.cs-btn:hover{background:var(--cs-primary-dark);text-decoration:none}
.cs-form-field{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}
.cs-form-field label{font-weight:600;font-size:.9rem;color:var(--cs-ink)}
input[type=text],input[type=email],input[type=url],input[type=search],textarea{width:100%;padding:12px 14px;border:1px solid var(--cs-line);border-radius:10px;font:inherit;background:#fff}
textarea{min-height:170px;resize:vertical}
.cs-notice{padding:14px 18px;border-radius:10px;margin-bottom:20px;font-size:.95rem}
.cs-notice-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.cs-notice-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}

/* Breadcrumbs */
.cs-breadcrumbs{font-size:.82rem;color:var(--cs-muted);padding:16px 0 0}
.cs-breadcrumbs a{color:var(--cs-muted)}

/* Comments */
.cs-comments{margin-top:44px}
.comment-list{list-style:none;padding:0;margin:0}
.comment-list li{border:1px solid var(--cs-line);border-radius:var(--cs-radius);padding:18px;margin-bottom:16px}
.comment-list .children{list-style:none;margin:16px 0 0 24px;padding:0}

/* Footer */
.cs-footer{background:var(--cs-ink);color:#94a3b8;margin-top:20px}
.cs-footer a{color:#cbd5e1}
.cs-footer-widgets{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:34px;padding:52px 0 38px}
.cs-footer .cs-widget{background:transparent;border:0;padding:0}
.cs-footer .cs-widget-title{color:#fff;border-color:var(--cs-accent)}
.cs-footer .cs-widget a{color:#94a3b8}
.cs-footer .cs-widget a:hover{color:#fff}
.cs-footer ul li{border-bottom-color:rgba(255,255,255,.08)}
.cs-footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:.85rem;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.cs-error-404{text-align:center;padding:80px 0}
.cs-error-404 h1{font-size:5rem;margin-bottom:0;color:var(--cs-primary)}

@media(max-width:1024px){
  .cs-layout{grid-template-columns:minmax(0,1fr);gap:44px}
  .cs-footer-widgets{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:782px){
  .cs-menu-toggle{display:inline-block}
  .cs-nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--cs-line);box-shadow:var(--cs-shadow);padding:14px 20px}
  .cs-nav.is-open{display:block}
  .cs-nav ul{flex-direction:column;gap:0}
  .cs-nav li{border-bottom:1px solid var(--cs-line)}
  .cs-nav a{display:block;padding:12px 0;width:100%}
  .cs-nav .sub-menu{display:flex;position:static;border:0;box-shadow:none;padding-left:14px}
  .cs-header-inner{position:relative}
  .cs-grid{grid-template-columns:minmax(0,1fr)}
  .cs-featured{grid-template-columns:minmax(0,1fr)}
  .cs-hero-title{font-size:2rem}
  .cs-entry-title{font-size:1.7rem}
  .cs-postnav{grid-template-columns:1fr}
}
@media(max-width:520px){
  .cs-footer-widgets{grid-template-columns:minmax(0,1fr)}
}