:root{
  --bg:#e3e7ee;
  --panel:#fff;
  --ink:#0b1220;
  --muted:#5a6275;
  --line:#cfd6e3;
  --brand:#e11d2e;
  --brand-600:#b91c1c;
  --slate:#475569;
  --shadow:0 26px 60px rgba(2,8,23,.12);
}
.hc-body{background:var(--bg);color:var(--ink);line-height:1.62}
.hc-wrap{padding:72px 0 200px 0}
.hc-container{max-width:1200px;margin:0 auto;padding:0 28px}

/* HERO with gradient ribbon */
.ul-hero{
  background:linear-gradient(180deg,#fff,rgba(255,255,255,.96));
  border:1px solid var(--line);
  border-radius:22px;
  padding:26px 26px 20px 26px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
}
.ul-hero::after{
  content:"";
  position:absolute;inset:auto -40px -60px -40px;
  height:140px;
  background:linear-gradient(135deg, rgba(225,29,46,.10), rgba(225,29,46,0));
  filter:blur(30px);
}
.ul-crumb{color:#768199;font-size:14px;margin-bottom:6px}
.ul-hero h1{font-size:clamp(32px,3.8vw,48px);margin:0 0 10px;letter-spacing:-.01em}
.ul-hero p{margin:0;color:var(--muted)}
.ul-search{display:flex;gap:12px;align-items:center;margin-top:14px}
.ul-input{flex:1;border:1px solid var(--line);border-radius:14px;padding:14px 16px;background:#fff;outline:none}
.ul-input:focus{border-color:var(--brand);box-shadow:0 0 0 8px rgba(225,29,46,.14)}
.ul-btn{display:inline-flex;align-items:center;gap:8px;padding:13px 18px;border-radius:12px;background:var(--brand);color:#fff;border:1px solid var(--brand-600);text-decoration:none;font-weight:600}

/* Sections */
.ul-section{margin-top:28px}
.ul-section h2{font-size:20px;margin:0 0 12px;color:var(--slate)}

/* Quick links */
.ul-quick{display:flex;flex-wrap:wrap;gap:10px}
.ul-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  color:#111827;text-decoration:none;box-shadow:var(--shadow);transition:transform .08s, box-shadow .15s;
}
.ul-chip:hover{transform:translateY(-1px);box-shadow:0 26px 50px rgba(225,29,46,.12)}
.ul-dot{width:10px;height:10px;border-radius:999px;background:#d1fae5;border:2px solid #86efac}

/* Category cards grid */
.ul-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (min-width:1100px){ .ul-grid{grid-template-columns:repeat(3,1fr);} }
.ul-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit;transition:transform .08s, box-shadow .15s, border-color .15s
}
.ul-card:hover{transform:translateY(-2px);border-color:#f1bcc0;box-shadow:0 30px 60px rgba(225,29,46,.14)}
.ul-card .ul-meta{color:var(--muted);font-size:14px}

/* List rows inside cards */
.ul-list{display:grid;gap:8px;margin-top:6px}
.ul-item{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#fafbff;text-decoration:none;color:#0b1220}
.ul-item:hover{border-color:#eab3b7}

/* Article shared bits */
.ul-toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;position:sticky;top:110px;height:fit-content;box-shadow:var(--shadow)}
.ul-article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}
.ul-grid-article{display:grid;gap:22px;grid-template-columns:300px 1fr}