:root {
  --bg: #0b0d0a;
  --bg-elev: #121510;
  --card: #161a12;
  --border: #2a3220;
  --lime: #ccff00;
  --lime-2: #b8e600;
  --lime-soft: rgba(204, 255, 0, 0.12);
  --red: #ff3b46;
  --text: #f1f5f9;
  --muted: #9aa394;
  --muted-2: #6f7668;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
  --maxw: 1200px;
  --font: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 18px; }

.topbar {
  background: linear-gradient(90deg, var(--lime-2), var(--lime));
  color: #111500;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  padding: 7px 12px;
}
.topbar a { text-decoration: underline; font-weight: 800; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 13, 10, 0.86);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 64px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand img { height: 38px; width: auto; }
.nav-menu { display: flex; gap: 4px; margin-left: 10px; }
.nav-menu a {
  padding: 9px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  transition: .2s;
}
.nav-menu a:hover,
.nav-menu a.is-active { color: var(--text); background: var(--lime-soft); }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 999px;
  transition: .2s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--lime), var(--lime-2));
  color: #111500;
  box-shadow: 0 6px 18px rgba(204, 255, 0, 0.28);
}
.btn-primary:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--lime); color: var(--lime); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  width: 42px;
  height: 42px;
  border-radius: 12px;
  font-size: 18px;
  cursor: pointer;
}

section { padding: 34px 0; }
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.section-head h2 {
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 900;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-head h2 i { color: var(--lime); }

.seo-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.seo-block {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.seo-block.full { grid-column: 1 / -1; }
.seo-block h2 {
  font-size: clamp(18px, 2.6vw, 23px);
  font-weight: 900;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.seo-block h2 span { color: var(--lime); }
.seo-block h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--lime);
  margin: 18px 0 9px;
}
.seo-block p { color: var(--muted); margin-bottom: 12px; font-size: 14.5px; line-height: 1.75; }
.seo-block ul { padding-left: 4px; margin-bottom: 14px; }
.seo-block ul li {
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.6;
  padding: 5px 0 5px 26px;
  position: relative;
}
.seo-block ul li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--lime);
  position: absolute;
  left: 0;
  font-size: 12px;
  top: 8px;
}
.seo-block a { color: var(--lime); text-decoration: underline; font-weight: 600; }
.seo-block strong { color: var(--text); }

.font-display { font-family: Oswald, Inter, sans-serif; }
.text-white { color: #fff; }
.text-gray-400 { color: var(--muted); }
.text-sm { font-size: 14px; }
.text-base { font-size: 16px; }
.text-lg { font-size: 18px; }
.text-xl { font-size: 20px; }
.text-2xl { font-size: 24px; }
.font-bold { font-weight: 700; }
.leading-relaxed { line-height: 1.7; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }

.wc-update-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--lime);
  background: var(--lime-soft);
  border: 1px solid rgba(204, 255, 0, 0.35);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 12px;
}
.wc-table-wrap {
  overflow-x: auto;
  margin: 16px 0;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.14);
}
.wc-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.wc-table thead th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.wc-table tbody td {
  padding: 10px 14px;
  color: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.wc-table tbody tr:last-child td { border-bottom: none; }
.wc-table tbody tr:hover td { background: rgba(255, 255, 255, 0.04); }

.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "\f067";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--lime);
  font-size: 13px;
}
.faq-item[open] summary::after { content: "\f068"; }
.faq-item p { padding: 0 18px 16px; color: var(--muted); font-size: 14px; }
.faq-item a { color: var(--lime); text-decoration: underline; }

.cta-banner {
  background: linear-gradient(135deg, var(--lime-2), var(--lime));
  border-radius: var(--radius);
  padding: 30px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  color: #111500;
}
.cta-banner h2 { font-size: clamp(20px, 3vw, 26px); font-weight: 900; }
.cta-banner p { font-weight: 600; opacity: .85; margin-top: 4px; }
.cta-banner .btn { background: #111500; color: #fff; padding: 14px 26px; font-size: 15px; }

.site-footer {
  background: var(--bg-elev);
  border-top: 1px solid var(--border);
  margin-top: 30px;
  padding: 40px 0 24px;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 28px; margin-bottom: 28px; }
.footer-brand .brand { margin-bottom: 12px; }
.footer-brand p { color: var(--muted); font-size: 13.5px; max-width: 320px; }
.footer-brand a { color: var(--lime); }
.footer-col h3 { font-size: 14px; font-weight: 800; margin-bottom: 14px; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col ul li a { color: var(--muted); font-size: 13.5px; }
.footer-col ul li a:hover { color: var(--lime); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-bottom p { color: var(--muted-2); font-size: 12.5px; }
.footer-bottom a { color: var(--lime); }

.mobile-menu { display: none; }

.crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted-2);
  margin-bottom: 16px;
}
.crumb a { color: var(--muted); font-weight: 600; }
.crumb a:hover { color: var(--lime); }
.crumb span { color: var(--text); font-weight: 700; }
.hub-hero { padding: 28px 0 8px; }
.hub-hero h1 {
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.hub-hero h1 .hl { color: var(--lime); }
.hub-lead { color: var(--muted); font-size: 15.5px; max-width: 720px; margin-bottom: 20px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-lg { padding: 14px 26px; font-size: 15px; }
.related { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 20px; }
.related a {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}
.related a:hover { border-color: var(--lime); color: var(--lime); }

#dns-notice {
  background: linear-gradient(90deg, #f97316 0%, #fb923c 50%, #f59e0b 100%);
  color: #fff;
  position: relative;
  z-index: 999;
  padding: 8px 44px 8px 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 13.5px;
  font-weight: 500;
  line-height: 1.4;
}
#dns-notice .dns-body { display: flex; align-items: center; gap: 8px; }
#dns-notice .dns-icon { font-size: 17px; flex-shrink: 0; }
#dns-notice .dns-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
#dns-notice .dns-cta {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: #fff;
  color: #f97316;
  font-weight: 700;
  font-size: 12.5px;
  padding: 4px 13px;
  border-radius: 20px;
  white-space: nowrap;
}
#dns-notice .dns-cta img { width: 15px; height: 15px; border-radius: 3px; }
#dns-notice-close {
  position: absolute;
  right: 9px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.18);
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 13px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .nav-menu { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-actions .btn-ghost { display: none; }
  .mobile-menu.open { display: block; border-top: 1px solid var(--border); background: var(--bg-elev); }
  .mobile-menu a {
    display: block;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    color: var(--muted);
  }
}
@media (max-width: 640px) {
  .topbar { font-size: 11.5px; }
  #dns-notice { flex-direction: column; gap: 6px; padding: 10px 40px 10px 12px; text-align: center; }
  #dns-notice .dns-text { white-space: normal; }
}

/* Ads — same inventory/layout as static/index.html
   Desktop: 2 top + 2 catfish side-by-side; 4 Cược buttons in one row.
   Mobile: stack top/catfish; hide nothing extra except Vin88 stays mobile-only. */
.ad-mobile-only { display: none !important; }
.ad-slot {
  display: block;
  line-height: 0;
  overflow: hidden;
  min-width: 0;
  transition: opacity .2s ease;
}
.ad-slot:hover { opacity: 0.92; }
.ad-slot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

.ad-topbanners {
  width: 100%;
  max-width: 1900px;
  margin: 0 auto;
  padding: 0;
  display: grid !important;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  box-sizing: border-box;
}
.ad-topbanners .ad-slot {
  width: 100%;
  max-width: none;
  margin: 0;
}

#ad-catfish.ad-catfish {
  position: fixed !important;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999 !important;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding: 0;
  margin: 0;
  pointer-events: none;
  background: transparent;
  width: 100%;
}
.ad-catfish-inner {
  position: relative;
  width: 100%;
  max-width: 1900px;
  pointer-events: none;
}
.ad-catfish .ad-slot {
  pointer-events: auto;
  width: 100%;
  max-width: none;
  box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.55);
}
.ad-catfish-close {
  pointer-events: auto;
  position: absolute;
  top: 4px;
  right: 8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.75);
  color: #fff;
  font-size: 13px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
  z-index: 3;
  line-height: 1;
}
.ad-catfish-close:hover { background: #000; }
.ad-catfish-pair {
  display: grid !important;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  width: 100%;
  pointer-events: none;
}
.ad-catfish-pair .ad-slot-wrap {
  position: relative;
  pointer-events: auto;
  min-width: 0;
  width: 100%;
}
.ad-catfish-m { display: none !important; }

.cct-partner-row {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
  max-width: 560px;
  margin: 14px 0 0;
}
.btn-cuoc {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  padding: 9px 4px;
  border-radius: 8px;
  font-family: Oswald, Inter, sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: #f5c542;
  background: #0d0d0d;
  border: 2px solid #f5c542;
  box-shadow: 0 0 10px rgba(245, 197, 66, 0.45);
  text-decoration: none !important;
  white-space: nowrap;
  animation: btnCuocBlink 1s ease-in-out infinite;
}
.btn-cuoc span { color: #ffe08a; font-weight: 800; }
.btn-cuoc[data-brand="uk88"] { --blink: #ef4444; }
.btn-cuoc[data-brand="red88"] { --blink: #f97316; }
.btn-cuoc[data-brand="zbet"] { --blink: #dc2626; }
.btn-cuoc[data-brand="sky88"] { --blink: #eab308; }
@keyframes btnCuocBlink {
  0%, 100% {
    border-color: #f5c542;
    box-shadow: 0 0 8px rgba(245, 197, 66, 0.35);
    color: #f5c542;
  }
  50% {
    border-color: var(--blink, #ff3b3b);
    box-shadow: 0 0 14px color-mix(in srgb, var(--blink, #ff3b3b) 55%, transparent);
    color: #ffe08a;
  }
}
.btn-cuoc:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
  animation: none;
  border-color: #ffe08a;
  color: #ffe08a !important;
  box-shadow: 0 0 16px rgba(255, 224, 138, 0.55);
}
.btn-cuoc:hover span { color: #fff; }
@media (prefers-reduced-motion: reduce) {
  .btn-cuoc { animation: none; }
}

@media (max-width: 768px) {
  .ad-desktop-only { display: none !important; }
  .ad-mobile-only { display: block !important; }
  .ad-topbanners {
    grid-template-columns: 1fr;
    max-width: 950px;
  }
  .ad-catfish-pair { grid-template-columns: 1fr; }
  .ad-catfish-m {
    display: block !important;
    margin: 0 auto;
    width: 100%;
    max-width: 950px;
    pointer-events: auto;
  }
  body { padding-bottom: 220px; }
  .cct-partner-row { max-width: 100%; gap: 6px; }
  .btn-cuoc { font-size: 10px; padding: 8px 2px; }
}
@media (min-width: 769px) {
  .ad-mobile-only,
  .ad-catfish-m,
  .ad-catfish .ad-mobile-only { display: none !important; }
  body { padding-bottom: 110px; }
}