:root{
  --accent:#c62828;--accent-dark:#8e1b1b;--ink:#1a1d21;--muted:#6b7280;
  --bg:#f6f7f9;--card:#ffffff;--border:#e5e7eb;--radius:12px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
.container{max-width:1100px;margin:0 auto;padding:0 16px}

/* progress bar */
.progress-bar{position:fixed;top:0;left:0;height:3px;width:0;background:var(--accent);z-index:99;transition:width .1s linear}

/* header */
.site-header{background:#fff;border-bottom:3px solid var(--accent);position:sticky;top:0;z-index:50;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.header-inner{display:flex;align-items:center;gap:20px;height:62px}
.brand{font-size:1.35rem;font-weight:800;color:var(--accent);letter-spacing:-.5px;white-space:nowrap}
.brand:hover{text-decoration:none}
.main-nav{display:flex;gap:4px;flex:1;overflow-x:auto}
.main-nav a{color:var(--ink);font-weight:600;font-size:.92rem;padding:8px 12px;border-radius:8px;white-space:nowrap}
.main-nav a:hover{background:var(--bg);text-decoration:none;color:var(--accent)}
.search-form{display:flex;border:1px solid var(--border);border-radius:20px;overflow:hidden;background:var(--bg)}
.search-form input{border:0;background:none;padding:7px 12px;outline:none;width:150px;font-size:.9rem}
.search-form button{border:0;background:none;padding:0 12px;cursor:pointer}
.nav-toggle{display:none;border:0;background:none;font-size:1.5rem;cursor:pointer}

/* hero */
.hero{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);color:#fff;padding:56px 0;text-align:center}
.hero h1{margin:0 0 10px;font-size:2.2rem;letter-spacing:-.5px}
.hero p{margin:0 auto 22px;max-width:640px;opacity:.92;font-size:1.05rem}
.btn{display:inline-block;background:var(--accent);color:#fff;padding:10px 22px;border-radius:24px;font-weight:700;border:0;cursor:pointer}
.btn:hover{background:var(--accent-dark);text-decoration:none}
.btn-hero{background:#fff;color:var(--accent)}
.btn-hero:hover{background:#f3f4f6;color:var(--accent-dark)}

/* sections & grid */
.section{padding:36px 0 48px}
.section-title{font-size:1.5rem;margin:0 0 20px;padding-left:12px;border-left:4px solid var(--accent);letter-spacing:-.3px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.empty{color:var(--muted)}
.center{text-align:center;padding:70px 16px}
.err-code{font-size:5rem;margin:0;color:var(--accent)}

/* cards */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(0,0,0,.09)}
.card-media{display:block;aspect-ratio:16/9;background:#eceff1;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-placeholder{display:flex;width:100%;height:100%;align-items:center;justify-content:center;font-size:2.4rem;font-weight:800;color:#cfd8dc}
.card-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card-cat{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.6px}
.card-body h3{margin:0;font-size:1.02rem;line-height:1.4}
.card-body h3 a{color:var(--ink)}
.card-body h3 a:hover{color:var(--accent);text-decoration:none}
.card-body p{margin:0;color:var(--muted);font-size:.88rem;flex:1}
.card-meta{color:var(--muted);font-size:.78rem}

/* pagination */
.pagination{display:flex;gap:8px;justify-content:center;margin-top:32px}
.pagination a{background:#fff;border:1px solid var(--border);padding:7px 14px;border-radius:8px;color:var(--ink);font-weight:600}
.pagination a.active,.pagination a:hover{background:var(--accent);color:#fff;border-color:var(--accent);text-decoration:none}

/* article */
.article{max-width:780px;padding-top:28px;padding-bottom:56px}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:18px}
.breadcrumb span{color:var(--ink)}
.article-title{font-size:2rem;line-height:1.3;letter-spacing:-.5px;margin:0 0 10px}
.article-meta{color:var(--muted);font-size:.88rem;margin-bottom:18px}
.article-sapo{font-weight:600;font-size:1.08rem;color:#374151}
.article-cover{margin:0 0 22px}
.article-cover img{border-radius:var(--radius);width:100%}
.article-content{font-size:1.06rem}
.article-content h2{font-size:1.4rem;margin-top:1.8em;letter-spacing:-.3px}
.article-content h3{font-size:1.15rem}
.article-content blockquote{border-left:4px solid var(--accent);margin-left:0;padding:4px 0 4px 18px;color:#4b5563;background:#fff;border-radius:0 8px 8px 0}
.article-content img{border-radius:8px}
.notice{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-size:.92rem}
.notice-warn{background:#fff7ed;border:1px solid #fdba74;color:#9a3412}

/* share */
.share{display:flex;gap:10px;align-items:center;margin:30px 0;padding:14px 16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);font-size:.9rem;flex-wrap:wrap}
.share a,.copy-link{border:1px solid var(--border);border-radius:18px;padding:5px 14px;font-weight:600;background:#fff;cursor:pointer;font-size:.85rem;color:var(--ink)}
.share a:hover,.copy-link:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}

.related{margin-top:40px}

/* backlinks */
.backlinks-content{margin-top:28px;padding-top:14px;border-top:1px dashed var(--border);font-size:.88rem}
.backlinks-content a,.backlinks-footer a{margin-right:12px}

/* footer */
.site-footer{background:#15181d;color:#cbd5e1;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;padding:44px 16px 24px}
.site-footer h4{color:#fff;margin:0 0 12px;font-size:.95rem;text-transform:uppercase;letter-spacing:.8px}
.site-footer a{color:#cbd5e1;line-height:2}
.site-footer a:hover{color:#fff}
.brand-footer{color:#fff;font-size:1.2rem;margin-bottom:8px}
.footer-bottom{border-top:1px solid #2a2f37;padding:16px;text-align:center;font-size:.85rem;color:#8b95a5}

/* responsive */
@media(max-width:900px){
  .grid,.grid-4{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:620px){
  .grid,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .search-form{display:none}
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;flex-direction:column;padding:10px;border-bottom:1px solid var(--border)}
  .main-nav.open{display:flex}
  .hero h1{font-size:1.6rem}
  .article-title{font-size:1.5rem}
}