/* roulang page: index */
:root {
  --bg-void: #030712;
  --bg-abyss: #081229;
  --bg-panel: rgba(15, 23, 42, 0.72);
  --bg-panel-solid: #0b1526;
  --electric: #2563EB;
  --cyan: #38BDF8;
  --holo: #60A5FA;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --border-soft: rgba(96, 165, 250, 0.18);
  --border-glow: rgba(56, 189, 248, 0.45);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 10px 40px rgba(2, 6, 23, 0.65);
  --shadow-glow: 0 0 26px rgba(37, 99, 235, 0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-void);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(37, 99, 235, 0.18) 0%, transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(56, 189, 248, 0.14) 0%, transparent 45%),
    linear-gradient(180deg, #030712 0%, #050b1c 55%, #030712 100%);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 20px; }

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(3, 7, 18, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 13px; flex: none;
  background: linear-gradient(135deg, #2563EB, #38BDF8);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px; color: #030712;
  box-shadow: var(--shadow-glow);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong { font-size: 16px; font-weight: 700; color: #fff; letter-spacing: .2px; line-height: 1.2; }
.brand-text span { font-size: 11px; color: var(--cyan); letter-spacing: 1.4px; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 15px; border-radius: 10px; font-size: 14.5px; font-weight: 500;
  color: var(--text-muted); transition: all .22s ease; white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(56, 189, 248, 0.1); }
.nav-links a.active { color: #fff; background: rgba(37, 99, 235, 0.22); box-shadow: inset 0 0 0 1px var(--border-glow); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-ghost {
  padding: 9px 16px; border-radius: 10px; font-size: 14px; font-weight: 600;
  color: var(--cyan); background: transparent; border: 1px solid rgba(56, 189, 248, 0.4);
  transition: all .22s ease;
}
.btn-ghost:hover { background: rgba(56, 189, 248, 0.12); color: #fff; }
.btn-primary {
  padding: 10px 20px; border-radius: 10px; font-size: 14px; font-weight: 700;
  color: #030712; background: linear-gradient(135deg, #38BDF8, #2563EB);
  border: none; box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(56, 189, 248, 0.7); }
.btn-primary:active { transform: translateY(0); }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  background: rgba(37, 99, 235, 0.16); border: 1px solid var(--border-soft);
  color: #fff; font-size: 18px;
}
.mobile-menu {
  display: none; flex-direction: column; gap: 4px;
  padding: 14px 20px 20px; border-top: 1px solid var(--border-soft);
  background: rgba(3, 7, 18, 0.98);
}
.mobile-menu a {
  padding: 12px 14px; border-radius: 10px; font-size: 15px;
  color: var(--text-muted); font-weight: 500;
}
.mobile-menu a.active, .mobile-menu a:hover { color: #fff; background: rgba(37, 99, 235, 0.2); }
.mobile-menu.open { display: flex; }

/* HERO */
.hero {
  position: relative; padding: 64px 0 72px; overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('/assets/images/686674d1cc710396.jpg');
  background-size: cover; background-position: center;
  opacity: .28;
}
.hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(3,7,18,.82) 0%, rgba(3,7,18,.95) 65%, #030712 100%);
}
.hero-inner { position: relative; z-index: 1; }
.hero-top { text-align: center; max-width: 900px; margin: 0 auto 40px; }
.hero-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px;
  background: rgba(37, 99, 235, 0.16); border: 1px solid var(--border-glow);
  font-size: 12.5px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase; color: var(--cyan);
}
.hero h1 {
  font-size: clamp(28px, 4.6vw, 46px); font-weight: 800; line-height: 1.2;
  margin: 0 0 20px; letter-spacing: -.5px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, #38BDF8, #60A5FA, #2563EB);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 16px; color: var(--text-muted); max-width: 760px; margin: 0 auto; line-height: 1.75; }
.hero-stage {
  display: grid; grid-template-columns: 1fr 1.4fr 1fr; gap: 22px; align-items: center;
}
.hero-side { display: flex; flex-direction: column; gap: 16px; }
.hero-value {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 16px 18px;
  backdrop-filter: blur(10px); transition: border-color .25s ease, transform .25s ease;
}
.hero-value:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.hero-value i { color: var(--cyan); font-size: 18px; margin-bottom: 8px; display: block; }
.hero-value strong { display: block; font-size: 15px; color: #fff; margin-bottom: 4px; font-weight: 600; }
.hero-value span { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.hero-visual {
  border-radius: var(--radius-lg); overflow: hidden; position: relative;
  border: 1px solid var(--border-glow); box-shadow: var(--shadow-card), var(--shadow-glow);
}
.hero-visual img { width: 100%; height: 340px; object-fit: cover; }
.hero-visual-overlay {
  position: absolute; inset: auto 0 0 0; padding: 18px 20px;
  background: linear-gradient(0deg, rgba(3,7,18,.96), transparent);
}
.hero-visual-overlay strong { display: block; font-size: 17px; color: #fff; margin-bottom: 4px; }
.hero-visual-overlay span { font-size: 13px; color: var(--cyan); }
.hero-cta-row { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-top: 34px; }
.btn-lg {
  padding: 15px 32px; border-radius: 14px; font-size: 15.5px; font-weight: 700;
  display: inline-flex; align-items: center; gap: 10px; transition: all .24s ease;
}
.btn-fill {
  color: #030712; background: linear-gradient(135deg, #38BDF8, #2563EB);
  box-shadow: 0 0 28px rgba(37, 99, 235, 0.55); border: none;
}
.btn-fill:hover { transform: translateY(-3px); box-shadow: 0 0 40px rgba(56, 189, 248, 0.75); }
.btn-line {
  color: var(--holo); background: rgba(37, 99, 235, 0.1);
  border: 1px solid rgba(96, 165, 250, 0.45);
}
.btn-line:hover { background: rgba(37, 99, 235, 0.22); color: #fff; transform: translateY(-3px); }

/* SECTIONS */
section { padding: 62px 0; }
.section-alt { background: linear-gradient(180deg, rgba(8, 18, 41, 0.55), rgba(3, 7, 18, 0.2)); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.sec-head { margin-bottom: 34px; max-width: 780px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 12px;
}
.sec-head h2 { font-size: clamp(23px, 3vw, 32px); font-weight: 800; margin: 0 0 12px; line-height: 1.28; color: #fff; }
.sec-head p { font-size: 15px; color: var(--text-muted); line-height: 1.72; margin: 0; }

/* METRIC BOARD */
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.metric-box {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 24px 22px; text-align: left;
  position: relative; overflow: hidden; transition: all .25s ease;
}
.metric-box::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, #38BDF8, transparent);
}
.metric-box:hover { border-color: var(--border-glow); transform: translateY(-4px); }
.metric-box .num { font-size: 30px; font-weight: 800; color: #fff; line-height: 1.1; }
.metric-box .num em { font-style: normal; color: var(--cyan); font-size: 20px; }
.metric-box .lbl { font-size: 13.5px; color: var(--text-muted); margin-top: 8px; }
.metric-box .lbl strong { color: var(--holo); font-weight: 600; }

/* SERVICE MATRIX */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc-card {
  background: var(--bg-panel-solid); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); overflow: hidden;
  transition: all .28s ease; display: flex; flex-direction: column;
}
.svc-card:hover { transform: translateY(-6px); border-color: var(--border-glow); box-shadow: var(--shadow-card); }
.svc-thumb { position: relative; height: 168px; overflow: hidden; }
.svc-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.svc-card:hover .svc-thumb img { transform: scale(1.06); }
.svc-thumb .corner-tag {
  position: absolute; top: 12px; left: 12px; padding: 4px 12px; border-radius: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase;
  background: rgba(37, 99, 235, 0.9); color: #fff;
}
.svc-thumb .corner-tag.vip { background: rgba(56, 189, 248, 0.92); color: #030712; }
.svc-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.svc-body h3 { font-size: 17px; font-weight: 700; margin: 0; color: #fff; line-height: 1.4; }
.svc-body p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.68; flex: 1; }
.svc-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  font-size: 12px; padding: 4px 11px; border-radius: 999px;
  background: rgba(37, 99, 235, 0.14); border: 1px solid var(--border-soft); color: var(--holo);
}

/* COMPARE */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.compare-col {
  border-radius: var(--radius-md); padding: 26px; border: 1px solid var(--border-soft);
  background: var(--bg-panel);
}
.compare-col.good { border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.compare-col h3 { font-size: 17px; margin: 0 0 16px; display: flex; align-items: center; gap: 10px; color: #fff; }
.compare-col h3 i { color: var(--cyan); }
.compare-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.compare-col li { font-size: 14px; color: var(--text-muted); display: flex; gap: 10px; line-height: 1.6; }
.compare-col li i { color: var(--cyan); margin-top: 4px; flex: none; }
.compare-col.muted li i { color: #475569; }

/* TIMELINE */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: ''; position: absolute; left: 10px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, #38BDF8, rgba(37, 99, 235, 0.15));
}
.tl-item { position: relative; padding-bottom: 26px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ''; position: absolute; left: -30px; top: 5px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px rgba(56, 189, 248, .8);
}
.tl-item strong { display: block; font-size: 15.5px; color: #fff; margin-bottom: 5px; }
.tl-item span { font-size: 13.8px; color: var(--text-muted); line-height: 1.65; }

/* NEWS */
.news-layout { display: grid; grid-template-columns: 1.55fr 1fr; gap: 30px; align-items: start; }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex; gap: 16px; padding: 14px; border-radius: var(--radius-md);
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  transition: all .25s ease;
}
.news-item:hover { border-color: var(--border-glow); transform: translateX(4px); }
.news-item-thumb { width: 104px; height: 78px; border-radius: 12px; overflow: hidden; flex: none; }
.news-item-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-item-body { min-width: 0; }
.news-item-body h3 { font-size: 15px; margin: 0 0 6px; color: #fff; line-height: 1.45; font-weight: 600; }
.news-item-body p { font-size: 13px; color: var(--text-muted); margin: 0 0 8px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { font-size: 12px; color: var(--holo); display: flex; gap: 12px; flex-wrap: wrap; }
.news-side { display: flex; flex-direction: column; gap: 16px; }
.side-card {
  background: var(--bg-panel-solid); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 20px;
}
.side-card h3 { font-size: 15px; margin: 0 0 14px; color: #fff; font-weight: 700; }
.side-card ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.side-card li { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; padding-left: 16px; position: relative; }
.side-card li::before { content: '▸'; position: absolute; left: 0; color: var(--cyan); }
.empty-note { font-size: 14px; color: var(--text-muted); padding: 22px; text-align: center; }

/* ENTRY MATRIX */
.entry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.entry-card {
  border-radius: var(--radius-md); padding: 26px 22px; border: 1px solid var(--border-soft);
  background: linear-gradient(160deg, rgba(37, 99, 235, 0.12), rgba(8, 18, 41, 0.7));
  transition: all .26s ease;
}
.entry-card:hover { border-color: var(--border-glow); transform: translateY(-5px); box-shadow: var(--shadow-glow); }
.entry-card i { font-size: 24px; color: var(--cyan); margin-bottom: 14px; display: block; }
.entry-card h3 { font-size: 16.5px; margin: 0 0 8px; color: #fff; }
.entry-card p { font-size: 13.6px; color: var(--text-muted); margin: 0 0 14px; line-height: 1.66; }
.entry-card .count { font-size: 12px; color: var(--holo); margin-bottom: 12px; display: block; }
.entry-link { font-size: 13.5px; font-weight: 600; color: var(--cyan); display: inline-flex; align-items: center; gap: 6px; transition: gap .2s ease; }
.entry-link:hover { gap: 11px; }

/* TESTIMONIAL */
.tstm-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tstm-card {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 24px; transition: all .25s ease;
}
.tstm-card:hover { border-color: var(--border-glow); transform: translateY(-4px); }
.tstm-stars { color: #FACC15; font-size: 13px; margin-bottom: 12px; letter-spacing: 2px; }
.tstm-card p { font-size: 14px; color: var(--text-muted); line-height: 1.72; margin: 0 0 16px; }
.tstm-user { display: flex; align-items: center; gap: 12px; }
.tstm-avatar {
  width: 40px; height: 40px; border-radius: 50%; flex: none;
  background: linear-gradient(135deg, #2563EB, #38BDF8);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #030712; font-size: 15px;
}
.tstm-user strong { display: block; font-size: 14px; color: #fff; }
.tstm-user span { font-size: 12px; color: var(--text-muted); }

/* SECURITY */
.sec-bar { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.sec-pill {
  display: flex; align-items: center; gap: 10px; padding: 12px 20px;
  border-radius: 999px; background: var(--bg-panel); border: 1px solid var(--border-soft);
  font-size: 13.5px; color: var(--text-muted); transition: all .24s ease;
}
.sec-pill:hover { border-color: var(--border-glow); color: #fff; }
.sec-pill i { color: var(--cyan); }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 14px; max-width: 900px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  background: var(--bg-panel); overflow: hidden; transition: border-color .24s ease;
}
.faq-item.open { border-color: var(--border-glow); }
.faq-q {
  width: 100%; text-align: left; padding: 18px 22px; background: transparent; border: none;
  color: #fff; font-size: 15px; font-weight: 600; display: flex; justify-content: space-between;
  align-items: center; gap: 16px; line-height: 1.5;
}
.faq-q i { color: var(--cyan); transition: transform .25s ease; flex: none; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-item.open .faq-a { max-height: 320px; }
.faq-a p { margin: 0; padding: 0 22px 20px; font-size: 14px; color: var(--text-muted); line-height: 1.75; }

/* CTA FORM */
.cta-band {
  border-radius: var(--radius-lg); padding: 46px 40px; position: relative; overflow: hidden;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(8, 18, 41, 0.9));
  border: 1px solid var(--border-glow); box-shadow: var(--shadow-glow);
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 34px; align-items: center;
}
.cta-band h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 12px; color: #fff; font-weight: 800; line-height: 1.3; }
.cta-band p { font-size: 14.8px; color: var(--text-muted); margin: 0; line-height: 1.72; }
.cta-form { display: flex; flex-direction: column; gap: 12px; }
.cta-form input, .cta-form select {
  width: 100%; padding: 13px 16px; border-radius: 12px; font-size: 14px;
  background: rgba(3, 7, 18, 0.7); border: 1px solid var(--border-soft); color: #fff;
  transition: border-color .22s ease, box-shadow .22s ease;
}
.cta-form input::placeholder { color: #64748B; }
.cta-form input:focus, .cta-form select:focus {
  border-color: var(--border-glow); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.22); outline: none;
}
.cta-note { font-size: 12.5px; color: var(--text-muted); text-align: center; }

/* FOOTER */
.site-footer { background: #030712; border-top: 1px solid var(--border-soft); padding: 54px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.3fr; gap: 32px; }
.footer-brand { display: flex; flex-direction: column; gap: 14px; }
.footer-brand .brand { margin-bottom: 4px; }
.footer-brand p { font-size: 13.5px; color: var(--text-muted); line-height: 1.72; margin: 0; }
.footer-col h4 { font-size: 14px; color: #fff; margin: 0 0 16px; font-weight: 700; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: 13.5px; color: var(--text-muted); transition: color .2s ease; }
.footer-col a:hover { color: var(--cyan); }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-badges span {
  font-size: 11.5px; padding: 5px 11px; border-radius: 8px;
  background: rgba(37, 99, 235, 0.12); border: 1px solid var(--border-soft); color: var(--holo);
}
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border-soft);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
  font-size: 12.5px; color: #64748B;
}
.footer-bottom .age { color: var(--cyan); font-weight: 600; }

/* FAB */
.fab {
  position: fixed; left: 16px; bottom: 96px; z-index: 50;
  width: 58px; height: 58px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(7, 7, 13, 0.9), rgba(37, 99, 235, 0.85));
  border: 2px solid var(--cyan); color: #fff; font-size: 22px;
  box-shadow: 0 0 26px rgba(56, 189, 248, 0.55);
  animation: fabFloat 3.2s ease-in-out infinite; transition: all .25s ease;
}
.fab:hover { transform: scale(1.1); box-shadow: 0 0 38px rgba(56, 189, 248, 0.85); opacity: 1; }
.fab:active { transform: scale(0.94) translateY(2px); }
.fab .dot {
  position: absolute; top: 2px; right: 2px; width: 13px; height: 13px;
  background: #EF4444; border-radius: 50%; border: 2px solid #030712;
}
@keyframes fabFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
.fab:hover { animation-play-state: paused; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .hero-stage { grid-template-columns: 1fr 1fr; }
  .hero-visual { grid-column: 1 / -1; order: -1; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .tstm-grid { grid-template-columns: repeat(2, 1fr); }
  .entry-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-actions .btn-ghost { display: inline-flex; }
  .hero { padding: 46px 0 54px; }
  .hero-stage { grid-template-columns: 1fr; gap: 16px; }
  .hero-side { flex-direction: row; flex-wrap: wrap; }
  .hero-value { flex: 1 1 46%; }
  .compare-grid { grid-template-columns: 1fr; }
  .svc-grid, .entry-grid, .tstm-grid { grid-template-columns: 1fr; }
  section { padding: 46px 0; }
}
@media (max-width: 520px) {
  .brand-text span { display: none; }
  .brand-text strong { font-size: 14px; }
  .nav-actions .btn-ghost { padding: 8px 12px; font-size: 13px; }
  .nav-actions .btn-primary { padding: 9px 15px; font-size: 13px; }
  .metrics-grid { grid-template-columns: 1fr; }
  .hero-value { flex: 1 1 100%; }
  .cta-band { padding: 30px 22px; }
  .news-item { flex-direction: column; }
  .news-item-thumb { width: 100%; height: 150px; }
  .footer-grid { grid-template-columns: 1fr; }
  .fab { width: 52px; height: 52px; bottom: 82px; }
}

/* roulang page: article */
:root {
  --bg-void: #030712;
  --bg-abyss: #081229;
  --bg-panel: rgba(15, 23, 42, 0.72);
  --bg-panel-solid: #0b1526;
  --electric: #2563EB;
  --cyan: #38BDF8;
  --holo: #60A5FA;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --border-soft: rgba(96, 165, 250, 0.18);
  --border-glow: rgba(56, 189, 248, 0.45);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 10px 40px rgba(2, 6, 23, 0.65);
  --shadow-glow: 0 0 26px rgba(37, 99, 235, 0.35);
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-void);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(37, 99, 235, 0.18) 0%, transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(56, 189, 248, 0.14) 0%, transparent 45%),
    linear-gradient(180deg, #030712 0%, #050b1c 55%, #030712 100%);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 20px; }
/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(3, 7, 18, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 13px; flex: none;
  background: linear-gradient(135deg, #2563EB, #38BDF8);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px; color: #030712;
  box-shadow: var(--shadow-glow);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong { font-size: 16px; font-weight: 700; color: #fff; letter-spacing: .2px; line-height: 1.2; }
.brand-text span { font-size: 11px; color: var(--cyan); letter-spacing: 1.4px; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 15px; border-radius: 10px; font-size: 14.5px; font-weight: 500;
  color: var(--text-muted); transition: all .22s ease; white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(56, 189, 248, 0.1); }
.nav-links a.active { color: #fff; background: rgba(37, 99, 235, 0.22); box-shadow: inset 0 0 0 1px var(--border-glow); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-ghost {
  padding: 9px 16px; border-radius: 10px; font-size: 14px; font-weight: 600;
  color: var(--cyan); background: transparent; border: 1px solid rgba(56, 189, 248, 0.4);
  transition: all .22s ease;
}
.btn-ghost:hover { background: rgba(56, 189, 248, 0.12); color: #fff; }
.btn-primary {
  padding: 10px 20px; border-radius: 10px; font-size: 14px; font-weight: 700;
  color: #030712; background: linear-gradient(135deg, #38BDF8, #2563EB);
  border: none; box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(56, 189, 248, 0.7); }
.btn-primary:active { transform: translateY(0); }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  background: rgba(37, 99, 235, 0.16); border: 1px solid var(--border-soft);
  color: #fff; font-size: 18px;
}
.mobile-menu {
  display: none; flex-direction: column; gap: 4px;
  padding: 14px 20px 20px; border-top: 1px solid var(--border-soft);
  background: rgba(3, 7, 18, 0.98);
}
.mobile-menu a {
  padding: 12px 14px; border-radius: 10px; font-size: 15px;
  color: var(--text-muted); font-weight: 500;
}
.mobile-menu a.active, .mobile-menu a:hover { color: #fff; background: rgba(37, 99, 235, 0.2); }
.mobile-menu.open { display: flex; }
/* ARTICLE HERO */
.art-hero {
  position: relative; padding: 46px 0 40px; overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}
.art-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('/assets/images/c4f7b9e9f9c0b330.jpg');
  background-size: cover; background-position: center;
  opacity: .22;
}
.art-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(3,7,18,.85) 0%, rgba(3,7,18,.96) 70%, #030712 100%);
}
.art-hero-inner { position: relative; z-index: 1; }
.breadcrumb {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px;
  font-size: 13px; color: var(--text-muted); margin-bottom: 20px;
}
.breadcrumb a { color: var(--cyan); transition: color .2s ease; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 10px; opacity: .6; }
.art-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
  background: rgba(37, 99, 235, 0.16); border: 1px solid var(--border-glow);
  font-size: 12px; font-weight: 600; letter-spacing: .6px; text-transform: uppercase; color: var(--cyan);
}
.art-title {
  font-size: clamp(25px, 4vw, 40px); font-weight: 800; line-height: 1.22;
  margin: 0 0 18px; letter-spacing: -.4px; max-width: 950px;
}
.art-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 18px;
  font-size: 13.5px; color: var(--text-muted);
}
.art-meta span { display: inline-flex; align-items: center; gap: 7px; }
.art-meta i { color: var(--holo); }
/* LAYOUT */
.art-layout {
  display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 34px;
  padding: 46px 0 60px; align-items: start;
}
.art-main { min-width: 0; }
.art-lead {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.16), rgba(56, 189, 248, 0.06));
  border: 1px solid var(--border-glow); border-left: 4px solid var(--cyan);
  border-radius: var(--radius-md); padding: 22px 24px; margin-bottom: 34px;
  font-size: 16px; color: #DCE9FB; line-height: 1.75;
}
.art-cover {
  border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 34px;
  border: 1px solid var(--border-soft); box-shadow: var(--shadow-card);
}
.art-cover img { width: 100%; height: 380px; object-fit: cover; }
.art-content { font-size: 16px; color: #CBD8EC; line-height: 1.78; }
.art-content h2 {
  font-size: clamp(21px, 2.6vw, 27px); font-weight: 700; color: #fff;
  margin: 40px 0 16px; line-height: 1.3; letter-spacing: -.2px;
  padding-left: 16px; border-left: 4px solid var(--electric);
}
.art-content h3 { font-size: 19px; font-weight: 600; color: #fff; margin: 30px 0 12px; line-height: 1.35; }
.art-content p { margin: 0 0 18px; }
.art-content ul, .art-content ol { margin: 0 0 20px; padding-left: 22px; }
.art-content li { margin-bottom: 10px; }
.art-content ul li::marker { color: var(--cyan); }
.art-content ol li::marker { color: var(--cyan); font-weight: 600; }
.art-content strong { color: #fff; font-weight: 600; }
.art-content a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.art-content a:hover { color: #fff; }
.art-content blockquote {
  margin: 26px 0; padding: 18px 22px;
  background: var(--bg-panel); border-left: 4px solid var(--electric);
  border-radius: var(--radius-sm); color: #DCE9FB; font-style: italic;
}
.art-content img { border-radius: var(--radius-md); margin: 24px 0; border: 1px solid var(--border-soft); }
.art-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14.5px; }
.art-content th, .art-content td { padding: 12px 14px; border: 1px solid var(--border-soft); text-align: left; }
.art-content th { background: rgba(37, 99, 235, 0.18); color: #fff; font-weight: 600; }
.art-content tr:nth-child(even) td { background: rgba(15, 23, 42, 0.5); }
.art-no-content {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); padding: 46px 30px; text-align: center;
}
.art-no-content i { font-size: 40px; color: var(--cyan); margin-bottom: 18px; display: block; }
.art-no-content h2 { font-size: 22px; color: #fff; margin: 0 0 12px; font-weight: 700; }
.art-no-content p { color: var(--text-muted); margin: 0 0 22px; }
/* SIDEBAR */
.art-side { display: flex; flex-direction: column; gap: 22px; position: sticky; top: 96px; }
.side-box {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 22px; backdrop-filter: blur(10px);
}
.side-box h3 {
  font-size: 15px; font-weight: 700; color: #fff; margin: 0 0 16px;
  display: flex; align-items: center; gap: 9px; padding-bottom: 12px;
  border-bottom: 1px solid var(--border-soft);
}
.side-box h3 i { color: var(--cyan); }
.side-cta {
  background: linear-gradient(150deg, rgba(37, 99, 235, 0.28), rgba(8, 18, 41, 0.9));
  border: 1px solid var(--border-glow);
}
.side-cta p { font-size: 14px; color: #CBD8EC; margin: 0 0 18px; line-height: 1.65; }
.side-cta .btn-primary { width: 100%; text-align: center; display: block; }
.side-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.side-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 14px; color: #CBD8EC; }
.side-list li i { color: var(--cyan); margin-top: 3px; flex: none; }
.side-nav { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.side-nav a {
  display: block; padding: 10px 13px; border-radius: 9px; font-size: 14px;
  color: var(--text-muted); font-weight: 500; transition: all .2s ease;
  border: 1px solid transparent;
}
.side-nav a:hover { color: #fff; background: rgba(37, 99, 235, 0.18); border-color: var(--border-soft); }
/* CTA BAND */
.cta-band {
  padding: 30px 0 60px;
}
.cta-inner {
  background: linear-gradient(120deg, rgba(37, 99, 235, 0.24), rgba(56, 189, 248, 0.1));
  border: 1px solid var(--border-glow); border-radius: var(--radius-lg);
  padding: 40px 42px; display: flex; flex-wrap: wrap; gap: 26px;
  align-items: center; justify-content: space-between; box-shadow: var(--shadow-glow);
}
.cta-inner h2 { font-size: clamp(20px, 2.6vw, 27px); font-weight: 800; color: #fff; margin: 0 0 10px; line-height: 1.3; }
.cta-inner p { font-size: 15px; color: #CBD8EC; margin: 0; max-width: 640px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn-lg { padding: 14px 30px; border-radius: 12px; font-size: 15px; font-weight: 700; }
/* FAQ */
.faq-section { padding: 30px 0 60px; }
.sec-head { max-width: 720px; margin-bottom: 34px; }
.sec-head .tag {
  display: inline-block; padding: 6px 14px; border-radius: 999px; margin-bottom: 14px;
  background: rgba(56, 189, 248, 0.12); border: 1px solid var(--border-soft);
  font-size: 12px; font-weight: 600; letter-spacing: .7px; text-transform: uppercase; color: var(--cyan);
}
.sec-head h2 { font-size: clamp(22px, 3vw, 31px); font-weight: 800; color: #fff; margin: 0 0 14px; line-height: 1.28; letter-spacing: -.3px; }
.sec-head p { font-size: 15.5px; color: var(--text-muted); margin: 0; line-height: 1.7; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); overflow: hidden; transition: border-color .25s ease;
}
.faq-item:hover, .faq-item.open { border-color: var(--border-glow); }
.faq-q {
  width: 100%; text-align: left; background: transparent; border: none;
  padding: 18px 22px; font-size: 15.5px; font-weight: 600; color: #fff;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q i { color: var(--cyan); font-size: 14px; transition: transform .3s ease; flex: none; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease; padding: 0 22px; }
.faq-item.open .faq-a { max-height: 400px; padding: 0 22px 20px; }
.faq-a p { margin: 0; font-size: 14.5px; color: var(--text-muted); line-height: 1.72; }
/* FOOTER */
.site-footer {
  background: linear-gradient(180deg, rgba(8, 18, 41, 0.6), rgba(3, 7, 18, 0.98));
  border-top: 1px solid var(--border-soft); padding: 54px 0 0; margin-top: 20px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid var(--border-soft);
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.72; margin: 0 0 18px; max-width: 400px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-badges span {
  padding: 6px 12px; border-radius: 8px; font-size: 12px; font-weight: 600;
  color: var(--cyan); background: rgba(37, 99, 235, 0.14); border: 1px solid var(--border-soft);
}
.footer-col h4 { font-size: 14.5px; font-weight: 700; color: #fff; margin: 0 0 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 14px; color: var(--text-muted); transition: color .2s ease, padding-left .2s ease; }
.footer-col a:hover { color: var(--cyan); padding-left: 4px; }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 12px; padding: 22px 0; font-size: 13px; color: var(--text-muted);
}
.footer-bottom .age { display: inline-flex; align-items: center; gap: 7px; color: var(--holo); }
/* FAB */
.fab-support {
  position: fixed; left: 16px; bottom: 96px; z-index: 50;
  width: 56px; height: 56px; border-radius: 999px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(7, 7, 13, 0.82); backdrop-filter: blur(12px);
  border: 2px solid transparent;
  background-image: linear-gradient(rgba(7,7,13,.85), rgba(7,7,13,.85)),
    linear-gradient(135deg, #38BDF8, #2563EB);
  background-origin: border-box; background-clip: padding-box, border-box;
  color: var(--cyan); font-size: 20px;
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.45);
  transition: transform .25s ease, box-shadow .25s ease, opacity .25s ease;
  opacity: .82;
}
.fab-support:hover { transform: scale(1.1); opacity: 1; box-shadow: 0 0 34px rgba(56, 189, 248, 0.8); }
.fab-support:active { transform: scale(.95); }
.fab-support .dot {
  position: absolute; top: 4px; right: 4px; width: 12px; height: 12px;
  border-radius: 999px; background: #EF4444; box-shadow: 0 0 0 2px #030712;
  animation: pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot { 0%,100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.25); opacity: .7; } }
/* RESPONSIVE */
@media (max-width: 1024px) {
  .art-layout { grid-template-columns: 1fr; gap: 26px; }
  .art-side { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-actions .btn-ghost { display: none; }
  .art-cover img { height: 280px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .nav-wrap { height: 66px; }
  .brand-text strong { font-size: 14.5px; }
  .art-hero { padding: 32px 0 30px; }
  .art-meta { gap: 12px; font-size: 12.5px; }
  .art-lead { padding: 18px 18px; font-size: 15px; }
  .art-content { font-size: 15px; }
  .art-cover img { height: 220px; }
  .cta-inner { padding: 28px 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; text-align: left; }
  .btn-primary, .btn-ghost { padding: 9px 16px; font-size: 13.5px; }
  .btn-lg { padding: 12px 22px; font-size: 14px; }
  .fab-support { width: 52px; height: 52px; bottom: 84px; }
}

/* roulang page: category1 */
:root {
  --bg-void: #030712;
  --bg-abyss: #081229;
  --bg-panel: rgba(15, 23, 42, 0.72);
  --bg-panel-solid: #0b1526;
  --electric: #2563EB;
  --cyan: #38BDF8;
  --holo: #60A5FA;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --border-soft: rgba(96, 165, 250, 0.18);
  --border-glow: rgba(56, 189, 248, 0.45);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 10px 40px rgba(2, 6, 23, 0.65);
  --shadow-glow: 0 0 26px rgba(37, 99, 235, 0.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-void);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(37, 99, 235, 0.18) 0%, transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(56, 189, 248, 0.14) 0%, transparent 45%),
    linear-gradient(180deg, #030712 0%, #050b1c 55%, #030712 100%);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 20px; }

/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(3, 7, 18, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 13px; flex: none;
  background: linear-gradient(135deg, #2563EB, #38BDF8);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px; color: #030712;
  box-shadow: var(--shadow-glow);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong { font-size: 16px; font-weight: 700; color: #fff; letter-spacing: .2px; line-height: 1.2; }
.brand-text span { font-size: 11px; color: var(--cyan); letter-spacing: 1.4px; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 15px; border-radius: 10px; font-size: 14.5px; font-weight: 500;
  color: var(--text-muted); transition: all .22s ease; white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(56, 189, 248, 0.1); }
.nav-links a.active { color: #fff; background: rgba(37, 99, 235, 0.22); box-shadow: inset 0 0 0 1px var(--border-glow); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-ghost {
  padding: 9px 16px; border-radius: 10px; font-size: 14px; font-weight: 600;
  color: var(--cyan); background: transparent; border: 1px solid rgba(56, 189, 248, 0.4);
  transition: all .22s ease;
}
.btn-ghost:hover { background: rgba(56, 189, 248, 0.12); color: #fff; }
.btn-primary {
  padding: 10px 20px; border-radius: 10px; font-size: 14px; font-weight: 700;
  color: #030712; background: linear-gradient(135deg, #38BDF8, #2563EB);
  border: none; box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(56, 189, 248, 0.7); }
.btn-primary:active { transform: translateY(0); }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  background: rgba(37, 99, 235, 0.16); border: 1px solid var(--border-soft);
  color: #fff; font-size: 18px;
}
.mobile-menu {
  display: none; flex-direction: column; gap: 4px;
  padding: 14px 20px 20px; border-top: 1px solid var(--border-soft);
  background: rgba(3, 7, 18, 0.98);
}
.mobile-menu a { padding: 12px 14px; border-radius: 10px; font-size: 15px; color: var(--text-muted); font-weight: 500; }
.mobile-menu a.active, .mobile-menu a:hover { color: #fff; background: rgba(37, 99, 235, 0.2); }
.mobile-menu.open { display: flex; }

/* HERO */
.hero {
  position: relative; padding: 0 0 60px; overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}
.hero-banner {
  position: relative; min-height: 320px; display: flex; align-items: flex-end;
  background-image: url('/assets/images/c4f7b9e9f9c0b330.jpg');
  background-size: cover; background-position: center;
}
.hero-banner::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(3,7,18,.45) 0%, rgba(3,7,18,.88) 60%, #030712 100%);
}
.hero-banner-inner { position: relative; z-index: 1; width: 100%; padding: 92px 0 34px; }
.hero-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 15px; border-radius: 999px; margin-bottom: 16px;
  background: rgba(37, 99, 235, 0.22); border: 1px solid var(--border-glow);
  font-size: 12px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase; color: var(--cyan);
}
.hero-banner h1 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; line-height: 1.22; letter-spacing: -.4px; max-width: 780px; }
.hero-banner h1 .grad {
  background: linear-gradient(120deg, #38BDF8, #60A5FA, #2563EB);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-lede { margin-top: 16px; max-width: 820px; color: #cbd5e1; font-size: 15.5px; line-height: 1.75; }
.hero-facts { margin-top: 30px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.fact {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 16px 18px;
  backdrop-filter: blur(10px); transition: border-color .25s ease, transform .25s ease;
}
.fact:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.fact b { display: block; font-size: 22px; font-weight: 800; color: #fff; letter-spacing: -.5px; }
.fact span { display: block; margin-top: 3px; font-size: 12.5px; color: var(--text-muted); }

/* SECTION SHELL */
section { padding: 62px 0; }
section.alt { background: rgba(8, 18, 41, 0.5); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.sec-head { margin-bottom: 34px; max-width: 760px; }
.sec-tag {
  display: inline-block; padding: 5px 13px; border-radius: 999px; margin-bottom: 12px;
  background: rgba(56, 189, 248, 0.12); border: 1px solid var(--border-soft);
  font-size: 11.5px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--cyan);
}
.sec-head h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 700; line-height: 1.3; letter-spacing: -.3px; }
.sec-head p { margin-top: 12px; color: var(--text-muted); font-size: 15px; line-height: 1.75; }

/* DASHBOARD / METRIC STRIP */
.metric-strip { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 18px; }
.metric-lead {
  background: linear-gradient(150deg, rgba(37,99,235,.28), rgba(56,189,248,.10));
  border: 1px solid var(--border-glow); border-radius: var(--radius-lg);
  padding: 24px; display: flex; flex-direction: column; justify-content: space-between; gap: 18px;
}
.metric-lead h3 { font-size: 19px; font-weight: 700; line-height: 1.4; }
.metric-lead p { font-size: 13.5px; color: #cbd5e1; line-height: 1.7; }
.metric-box {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 22px 20px; backdrop-filter: blur(10px);
  transition: border-color .25s ease, transform .25s ease;
}
.metric-box:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.metric-box i { color: var(--cyan); font-size: 17px; }
.metric-box b { display: block; margin-top: 12px; font-size: 26px; font-weight: 800; color: #fff; letter-spacing: -.6px; }
.metric-box span { display: block; margin-top: 4px; font-size: 12.5px; color: var(--text-muted); }

/* MARKET GRID */
.market-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.market-card {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 22px; backdrop-filter: blur(10px);
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.market-card:hover { border-color: var(--border-glow); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.market-card .market-ico {
  width: 46px; height: 46px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
  background: rgba(37, 99, 235, 0.18); border: 1px solid var(--border-soft); color: var(--cyan); font-size: 18px;
}
.market-card h3 { margin-top: 16px; font-size: 17px; font-weight: 700; }
.market-card p { margin-top: 9px; font-size: 14px; color: var(--text-muted); line-height: 1.72; }
.market-card .rate {
  margin-top: 16px; display: inline-flex; align-items: center; gap: 8px;
  padding: 5px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  background: rgba(56, 189, 248, 0.1); border: 1px solid var(--border-soft); color: var(--cyan);
}

/* COMPARE / RESULT */
.compare-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 26px; align-items: start; }
.compare-media {
  border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-card);
}
.compare-media img { width: 100%; height: 100%; min-height: 340px; object-fit: cover; }
.compare-list { display: flex; flex-direction: column; gap: 14px; }
.compare-row {
  display: grid; grid-template-columns: 44px 1fr auto; gap: 16px; align-items: center;
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 16px 18px; backdrop-filter: blur(10px);
  transition: border-color .25s ease, transform .25s ease;
}
.compare-row:hover { border-color: var(--border-glow); transform: translateX(4px); }
.compare-row .num {
  width: 40px; height: 40px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px; color: var(--cyan);
  background: rgba(37, 99, 235, 0.16); border: 1px solid var(--border-soft);
}
.compare-row strong { display: block; font-size: 15px; font-weight: 600; }
.compare-row span { display: block; margin-top: 3px; font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.compare-row .tick { color: var(--cyan); font-size: 17px; }

/* TIMELINE */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.tl-item {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 22px 20px; position: relative;
  backdrop-filter: blur(10px); transition: border-color .25s ease, transform .25s ease;
}
.tl-item:hover { border-color: var(--border-glow); transform: translateY(-4px); }
.tl-item::before {
  content: ''; position: absolute; top: 0; left: 20px; right: 20px; height: 3px;
  background: linear-gradient(90deg, #38BDF8, #2563EB); border-radius: 0 0 4px 4px;
}
.tl-step { font-size: 12px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--cyan); }
.tl-item h3 { margin-top: 10px; font-size: 16px; font-weight: 700; }
.tl-item p { margin-top: 8px; font-size: 13.5px; color: var(--text-muted); line-height: 1.72; }

/* CHANNEL MATRIX */
.channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.channel-card {
  display: flex; flex-direction: column; gap: 12px;
  background: linear-gradient(160deg, rgba(37,99,235,.16), rgba(15,23,42,.72));
  border: 1px solid var(--border-soft); border-radius: var(--radius-md); padding: 24px;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.channel-card:hover { border-color: var(--border-glow); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.channel-card .ch-ico { font-size: 22px; color: var(--cyan); }
.channel-card h3 { font-size: 17px; font-weight: 700; }
.channel-card p { font-size: 14px; color: var(--text-muted); line-height: 1.72; flex: 1; }
.channel-card .ch-link {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13.5px; font-weight: 600; color: var(--cyan);
  transition: gap .2s ease;
}
.channel-card .ch-link:hover { gap: 12px; }

/* CONTENT LIST */
.content-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.content-card {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.content-card:hover { border-color: var(--border-glow); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.content-card .thumb { height: 180px; overflow: hidden; }
.content-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.content-card:hover .thumb img { transform: scale(1.06); }
.content-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.content-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-muted); }
.content-meta .cat { color: var(--cyan); font-weight: 600; }
.content-body h3 { font-size: 16px; font-weight: 700; line-height: 1.45; }
.content-body h3 a { transition: color .2s ease; }
.content-body h3 a:hover { color: var(--cyan); }
.content-body p { font-size: 13.5px; color: var(--text-muted); line-height: 1.7; flex: 1; }
.content-more { font-size: 13px; font-weight: 600; color: var(--cyan); display: inline-flex; align-items: center; gap: 7px; }

/* ASSURANCE */
.assure-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.assure {
  display: grid; grid-template-columns: 52px 1fr; gap: 18px; align-items: start;
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 22px; backdrop-filter: blur(10px);
  transition: border-color .25s ease, transform .25s ease;
}
.assure:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.assure .a-ico {
  width: 50px; height: 50px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: rgba(37, 99, 235, 0.18); border: 1px solid var(--border-soft); color: var(--cyan); font-size: 19px;
}
.assure h3 { font-size: 16px; font-weight: 700; }
.assure p { margin-top: 8px; font-size: 14px; color: var(--text-muted); line-height: 1.72; }

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 12px; max-width: 900px; }
.faq-item {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); overflow: hidden; backdrop-filter: blur(10px);
  transition: border-color .25s ease;
}
.faq-item:hover { border-color: var(--border-glow); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; color: #fff;
  padding: 18px 22px; font-size: 15.5px; font-weight: 600; display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.faq-q i { color: var(--cyan); transition: transform .28s ease; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .32s ease; }
.faq-a p { padding: 0 22px 20px; font-size: 14px; color: var(--text-muted); line-height: 1.75; }
.faq-item.open .faq-a { max-height: 300px; }

/* CTA */
.cta-panel {
  position: relative; overflow: hidden; border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow);
  background:
    linear-gradient(150deg, rgba(37,99,235,.30), rgba(8,18,41,.92)),
    url('/assets/images/d1b9ee93da069d01.jpg') center/cover no-repeat;
  padding: 46px 40px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 32px; align-items: center;
  box-shadow: var(--shadow-card);
}
.cta-panel h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; line-height: 1.3; }
.cta-panel p { margin-top: 14px; font-size: 15px; color: #dbeafe; line-height: 1.75; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.cta-side {
  background: rgba(3, 7, 18, 0.62); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 22px; backdrop-filter: blur(10px);
}
.cta-side ul { display: flex; flex-direction: column; gap: 12px; }
.cta-side li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: #e2e8f0; }
.cta-side li i { color: var(--cyan); font-size: 14px; }

/* FOOTER */
.site-footer {
  background: linear-gradient(180deg, #rgba(3,7,18,.6), #020409);
  border-top: 1px solid var(--border-soft);
  padding: 56px 0 26px;
  margin-top: 20px;
}
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 32px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { font-size: 13.5px; color: var(--text-muted); line-height: 1.75; max-width: 380px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.footer-badges span {
  padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 600;
  color: var(--cyan); background: rgba(37, 99, 235, 0.14); border: 1px solid var(--border-soft);
}
.footer-col h4 { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: .3px; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: 13.5px; color: var(--text-muted); transition: color .2s ease, padding-left .2s ease; }
.footer-col a:hover { color: var(--cyan); padding-left: 4px; }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border-soft);
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--text-muted);
}
.footer-bottom .age { display: inline-flex; align-items: center; gap: 8px; color: var(--holo); }

/* FAB */
.fab-cyber {
  position: fixed; left: 16px; bottom: 96px; z-index: 50;
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-radius: 999px;
  background: rgba(7, 7, 13, 0.82); backdrop-filter: blur(14px);
  border: 1px solid transparent;
  background-image: linear-gradient(rgba(7,7,13,.82), rgba(7,7,13,.82)),
    linear-gradient(135deg, #38BDF8, #2563EB);
  background-origin: border-box; background-clip: padding-box, border-box;
  color: #fff; font-size: 13.5px; font-weight: 600;
  box-shadow: 0 0 20px rgba(56, 189, 248, 0.35);
  transition: transform .22s ease, box-shadow .22s ease, opacity .22s ease;
  opacity: .86;
}
.fab-cyber i { color: var(--cyan); font-size: 16px; }
.fab-cyber .fab-dot {
  position: absolute; top: 4px; right: 6px; width: 11px; height: 11px; border-radius: 50%;
  background: #f43f5e; box-shadow: 0 0 10px rgba(244, 63, 94, 0.9);
  animation: pulseDot 1.4s ease-in-out infinite;
}
.fab-cyber:hover { transform: translateY(-3px) scale(1.03); opacity: 1; box-shadow: 0 0 30px rgba(56, 189, 248, 0.6); }
.fab-cyber:active { transform: scale(.96); }
@keyframes pulseDot { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-actions { display: none; }
  .hero-facts { grid-template-columns: repeat(2, 1fr); }
  .metric-strip { grid-template-columns: 1fr 1fr; }
  .market-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-wrap { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .channel-grid { grid-template-columns: repeat(2, 1fr); }
  .content-list { grid-template-columns: repeat(2, 1fr); }
  .assure-grid { grid-template-columns: 1fr; }
  .cta-panel { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  section { padding: 46px 0; }
  .nav-wrap { height: 66px; }
  .hero-banner-inner { padding: 68px 0 26px; }
  .brand-text span { display: none; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-facts, .metric-strip, .market-grid, .timeline, .channel-grid, .content-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-panel { padding: 30px 22px; }
  .hero-banner h1 { font-size: 25px; }
  .fab-cyber { padding: 11px 15px; font-size: 12.5px; bottom: 84px; }
  .compare-row { grid-template-columns: 40px 1fr; }
  .compare-row .tick { display: none; }
}

/* roulang page: category2 */
:root {
  --bg-void: #030712;
  --bg-abyss: #081229;
  --bg-panel: rgba(15, 23, 42, 0.72);
  --bg-panel-solid: #0b1526;
  --electric: #2563EB;
  --cyan: #38BDF8;
  --holo: #60A5FA;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --border-soft: rgba(96, 165, 250, 0.18);
  --border-glow: rgba(56, 189, 248, 0.45);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 10px 40px rgba(2, 6, 23, 0.65);
  --shadow-glow: 0 0 26px rgba(37, 99, 235, 0.35);
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-void);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(37, 99, 235, 0.18) 0%, transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(56, 189, 248, 0.14) 0%, transparent 45%),
    linear-gradient(180deg, #030712 0%, #050b1c 55%, #030712 100%);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { line-height: 1.25; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 20px; }
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(3, 7, 18, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 13px; flex: none;
  background: linear-gradient(135deg, #2563EB, #38BDF8);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px; color: #030712;
  box-shadow: var(--shadow-glow);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong { font-size: 16px; font-weight: 700; color: #fff; letter-spacing: .2px; line-height: 1.2; }
.brand-text span { font-size: 11px; color: var(--cyan); letter-spacing: 1.4px; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 15px; border-radius: 10px; font-size: 14.5px; font-weight: 500;
  color: var(--text-muted); transition: all .22s ease; white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(56, 189, 248, 0.1); }
.nav-links a.active { color: #fff; background: rgba(37, 99, 235, 0.22); box-shadow: inset 0 0 0 1px var(--border-glow); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-ghost {
  padding: 9px 16px; border-radius: 10px; font-size: 14px; font-weight: 600;
  color: var(--cyan); background: transparent; border: 1px solid rgba(56, 189, 248, 0.4);
  transition: all .22s ease;
}
.btn-ghost:hover { background: rgba(56, 189, 248, 0.12); color: #fff; }
.btn-primary {
  padding: 10px 20px; border-radius: 10px; font-size: 14px; font-weight: 700;
  color: #030712; background: linear-gradient(135deg, #38BDF8, #2563EB);
  border: none; box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(56, 189, 248, 0.7); }
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 12px 24px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600;
  color: #fff; background: rgba(37, 99, 235, 0.14);
  border: 1px solid var(--border-glow); transition: all .22s ease;
}
.btn-outline:hover { background: rgba(56, 189, 248, 0.2); transform: translateY(-2px); }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  background: rgba(37, 99, 235, 0.16); border: 1px solid var(--border-soft);
  color: #fff; font-size: 18px;
}
.mobile-menu {
  display: none; flex-direction: column; gap: 4px;
  padding: 14px 20px 20px; border-top: 1px solid var(--border-soft);
  background: rgba(3, 7, 18, 0.98);
}
.mobile-menu a {
  padding: 12px 14px; border-radius: 10px; font-size: 15px;
  color: var(--text-muted); font-weight: 500;
}
.mobile-menu a.active, .mobile-menu a:hover { color: #fff; background: rgba(37, 99, 235, 0.2); }
.mobile-menu.open { display: flex; }
/* HERO (category variant - stacked) */
.cat-hero { position: relative; padding: 54px 0 60px; overflow: hidden; border-bottom: 1px solid var(--border-soft); }
.cat-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('/assets/images/c4f7b9e9f9c0b330.jpg');
  background-size: cover; background-position: center; opacity: .26;
}
.cat-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(3,7,18,.84) 0%, rgba(3,7,18,.96) 70%, #030712 100%);
}
.cat-hero-inner { position: relative; z-index: 1; }
.crumbs { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.crumbs a { color: var(--cyan); }
.crumbs a:hover { text-decoration: underline; }
.cat-stage { display: grid; grid-template-columns: 1.35fr 1fr; gap: 34px; align-items: start; }
.cat-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px; border-radius: 999px; margin-bottom: 20px;
  background: rgba(37, 99, 235, 0.16); border: 1px solid var(--border-glow);
  font-size: 12.5px; font-weight: 600; letter-spacing: .8px; text-transform: uppercase; color: var(--cyan);
}
.cat-hero h1 { font-size: clamp(27px, 4vw, 42px); font-weight: 800; margin: 0 0 18px; letter-spacing: -.4px; }
.cat-hero h1 .grad {
  background: linear-gradient(120deg, #38BDF8, #60A5FA, #2563EB);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cat-lead { font-size: 15.5px; color: var(--text-muted); line-height: 1.78; margin: 0 0 26px; max-width: 640px; }
.cat-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.cat-hero-side { display: flex; flex-direction: column; gap: 16px; }
.hero-stat {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 18px 20px; backdrop-filter: blur(10px);
  transition: border-color .25s ease, transform .25s ease;
}
.hero-stat:hover { border-color: var(--border-glow); transform: translateY(-3px); }
.hero-stat .num { font-size: 26px; font-weight: 800; color: var(--cyan); line-height: 1.1; }
.hero-stat .lbl { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.hero-stat .ico { color: var(--holo); font-size: 15px; margin-right: 8px; }
.hero-media { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-glow); box-shadow: var(--shadow-card); }
.hero-media img { width: 100%; height: 200px; object-fit: cover; }
/* SECTIONS */
.section { padding: 66px 0; border-bottom: 1px solid rgba(96,165,250,0.08); }
.section-alt { background: linear-gradient(180deg, rgba(8,18,41,.55) 0%, rgba(3,7,18,0) 100%); }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 36px; flex-wrap: wrap; }
.sec-head .left { max-width: 720px; }
.sec-tag {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--cyan); margin-bottom: 10px;
}
.sec-head h2 { font-size: clamp(23px, 3vw, 32px); font-weight: 800; margin: 0 0 12px; }
.sec-head p { color: var(--text-muted); font-size: 15px; margin: 0; line-height: 1.7; }
/* METRIC BOARD */
.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.metric {
  background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 22px; backdrop-filter: blur(10px); transition: border-color .25s ease, transform .25s ease;
}
.metric:hover { border-color: var(--border-glow); transform: translateY(-4px); }
.metric .val { font-size: 30px; font-weight: 800; background: linear-gradient(120deg,#38BDF8,#60A5FA); -webkit-background-clip: text; background-clip: text; color: transparent; }
.metric .cap { font-size: 13.5px; color: var(--text-muted); margin-top: 6px; }
.metric .bar { height: 4px; border-radius: 4px; background: rgba(96,165,250,.16); margin-top: 14px; overflow: hidden; }
.metric .bar span { display: block; height: 100%; border-radius: 4px; background: linear-gradient(90deg,#38BDF8,#2563EB); }
/* SERVICE MATRIX */
.matrix { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.svc {
  background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 24px; position: relative; overflow: hidden;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.svc::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0; transition: opacity .3s ease;
}
.svc:hover { border-color: var(--border-glow); transform: translateY(-4px); box-shadow: var(--shadow-glow); }
.svc:hover::before { opacity: 1; }
.svc .ic {
  width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: rgba(37,99,235,.16); border: 1px solid var(--border-soft);
  color: var(--cyan); font-size: 20px; margin-bottom: 16px;
}
.svc h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; color: #fff; }
.svc p { font-size: 14px; color: var(--text-muted); margin: 0; line-height: 1.68; }
.svc .tagline { margin-top: 14px; display: inline-block; font-size: 12px; font-weight: 600; color: var(--holo); letter-spacing: .4px; }
/* SCENARIO BLOCKS */
.scene-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: stretch; }
.scene-img { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border-soft); box-shadow: var(--shadow-card); }
.scene-img img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
.scene-list { display: flex; flex-direction: column; gap: 16px; }
.scene-item {
  display: flex; gap: 16px; padding: 18px 20px;
  background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  transition: border-color .25s ease, transform .25s ease;
}
.scene-item:hover { border-color: var(--border-glow); transform: translateX(4px); }
.scene-item .no {
  flex: none; width: 38px; height: 38px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg,#38BDF8,#2563EB); color: #030712; font-weight: 800; font-size: 15px;
}
.scene-item h4 { margin: 2px 0 6px; font-size: 15.5px; font-weight: 700; color: #fff; }
.scene-item p { margin: 0; font-size: 13.8px; color: var(--text-muted); line-height: 1.68; }
/* COMPARE */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.compare-col { background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md); padding: 26px; }
.compare-col.highlight { border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.compare-col h3 { font-size: 17px; margin: 0 0 18px; display: flex; align-items: center; gap: 10px; }
.compare-col h3 i { color: var(--cyan); }
.compare-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 13px; }
.compare-list li { display: flex; gap: 12px; font-size: 14.2px; color: var(--text-muted); line-height: 1.62; }
.compare-list li i { margin-top: 4px; flex: none; }
.compare-list li i.ok { color: #34d399; }
.compare-list li i.no { color: #f87171; }
.compare-list li strong { color: #fff; font-weight: 600; }
/* TIMELINE */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ''; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg,#38BDF8,#2563EB,transparent); }
.tl-item { position: relative; padding-bottom: 28px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ''; position: absolute; left: -30px; top: 5px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg-void); border: 3px solid var(--cyan); box-shadow: 0 0 12px rgba(56,189,248,.6);
}
.tl-item h4 { margin: 0 0 6px; font-size: 16px; font-weight: 700; color: #fff; }
.tl-item p { margin: 0; font-size: 14px; color: var(--text-muted); line-height: 1.7; }
/* TRUST GRID */
.trust-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.trust {
  background: linear-gradient(180deg, rgba(15,23,42,.9), rgba(8,18,41,.6));
  border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 24px 20px; text-align: center; transition: transform .25s ease, border-color .25s ease;
}
.trust:hover { transform: translateY(-4px); border-color: var(--border-glow); }
.trust i { font-size: 26px; color: var(--cyan); margin-bottom: 12px; display: block; }
.trust h4 { margin: 0 0 8px; font-size: 15px; color: #fff; }
.trust p { margin: 0; font-size: 13px; color: var(--text-muted); line-height: 1.6; }
/* NEWS LIST */
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.news-card {
  background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  overflow: hidden; display: flex; flex-direction: column;
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.news-card:hover { border-color: var(--border-glow); transform: translateY(-5px); box-shadow: var(--shadow-glow); }
.news-thumb { height: 168px; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.news-card:hover .news-thumb img { transform: scale(1.06); }
.news-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-meta { display: flex; gap: 12px; font-size: 12px; color: var(--holo); flex-wrap: wrap; }
.news-meta span { display: inline-flex; align-items: center; gap: 6px; }
.news-body h3 { font-size: 16px; margin: 0; font-weight: 700; color: #fff; line-height: 1.45; }
.news-body h3 a:hover { color: var(--cyan); }
.news-body p { margin: 0; font-size: 13.8px; color: var(--text-muted); line-height: 1.65; flex: 1; }
.news-more { color: var(--cyan); font-size: 13.5px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.news-more:hover { gap: 10px; }
.list-empty { text-align: center; color: var(--text-muted); padding: 40px 0; font-size: 15px; }
/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 14px; max-width: 900px; }
.faq-item { background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md); overflow: hidden; transition: border-color .25s ease; }
.faq-item:hover { border-color: var(--border-glow); }
.faq-q {
  width: 100%; text-align: left; padding: 18px 22px; background: transparent; border: none;
  color: #fff; font-size: 15.5px; font-weight: 600; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q i { color: var(--cyan); transition: transform .3s ease; flex: none; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .35s ease; padding: 0 22px; }
.faq-item.open .faq-a { max-height: 320px; padding: 0 22px 20px; }
.faq-a p { margin: 0; font-size: 14.2px; color: var(--text-muted); line-height: 1.75; }
/* CTA */
.cta-band {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid var(--border-glow); box-shadow: var(--shadow-card);
}
.cta-band-bg { position: absolute; inset: 0; background-image: url('/assets/images/d1b9ee93da069d01.jpg'); background-size: cover; background-position: center; opacity: .22; }
.cta-band-body {
  position: relative; z-index: 1; padding: 46px 40px; display: grid; grid-template-columns: 1.4fr 1fr; gap: 30px; align-items: center;
  background: linear-gradient(120deg, rgba(3,7,18,.92), rgba(8,18,41,.78));
}
.cta-band h2 { font-size: clamp(22px,3vw,30px); margin: 0 0 14px; font-weight: 800; }
.cta-band p { margin: 0; color: var(--text-muted); font-size: 15px; line-height: 1.72; }
.cta-actions { display: flex; flex-direction: column; gap: 14px; }
.form-note { font-size: 12.5px; color: var(--text-muted); margin-top: 8px; }
.field { display: flex; gap: 10px; }
.field input {
  flex: 1; padding: 13px 16px; border-radius: var(--radius-sm);
  background: rgba(3,7,18,.7); border: 1px solid var(--border-soft); color: #fff; font-size: 14px; outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input::placeholder { color: #64748b; }
.field input:focus { border-color: var(--border-glow); box-shadow: 0 0 0 3px rgba(56,189,248,.18); }
/* SECONDARY BLOCKS */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.panel {
  background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 26px; backdrop-filter: blur(10px);
}
.panel h3 { margin: 0 0 14px; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.panel h3 i { color: var(--cyan); }
.panel p { margin: 0 0 12px; font-size: 14.2px; color: var(--text-muted); line-height: 1.72; }
.panel p:last-child { margin-bottom: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.chip {
  padding: 7px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  color: var(--holo); background: rgba(37,99,235,.14); border: 1px solid var(--border-soft);
}
.chip:hover { color: #fff; border-color: var(--border-glow); }
/* FOOTER */
.site-footer { background: #050b1c; border-top: 1px solid var(--border-soft); padding: 54px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { font-size: 13.8px; color: var(--text-muted); line-height: 1.72; max-width: 380px; }
.footer-badges { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; }
.footer-badges span {
  padding: 6px 12px; border-radius: 8px; font-size: 12px; font-weight: 600;
  color: var(--cyan); background: rgba(37,99,235,.14); border: 1px solid var(--border-soft);
}
.footer-col h4 { font-size: 14px; margin: 0 0 16px; color: #fff; letter-spacing: .4px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 13.5px; color: var(--text-muted); transition: color .2s ease; }
.footer-col ul a:hover { color: var(--cyan); }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--border-soft);
  display: flex; justify-content: space-between; gap: 14px; flex-wrap: wrap;
  font-size: 12.5px; color: var(--text-muted);
}
.footer-bottom .age { display: inline-flex; align-items: center; gap: 7px; color: var(--holo); }
/* FAB */
.fab {
  position: fixed; left: 16px; bottom: 96px; z-index: 50;
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg,#38BDF8,#2563EB); color: #030712;
  font-size: 22px; border: 2px solid rgba(248,250,252,.7);
  box-shadow: 0 6px 25px rgba(37,99,235,.55);
  animation: fabFloat 3.2s ease-in-out infinite;
  transition: transform .25s ease, opacity .25s ease; opacity: .85;
}
.fab:hover { transform: scale(1.1); opacity: 1; }
.fab:active { transform: scale(.95); }
.fab .dot {
  position: absolute; top: -2px; right: -2px; width: 14px; height: 14px; border-radius: 50%;
  background: #f43f5e; border: 2px solid #fff;
}
@keyframes fabFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
/* RESPONSIVE */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .nav-actions .btn-ghost { display: none; }
  .cat-stage { grid-template-columns: 1fr; }
  .hero-stage { grid-template-columns: 1fr; }
  .metric-grid { grid-template-columns: repeat(2,1fr); }
  .matrix { grid-template-columns: repeat(2,1fr); }
  .trust-grid { grid-template-columns: repeat(2,1fr); }
  .news-grid { grid-template-columns: repeat(2,1fr); }
  .cta-band-body { grid-template-columns: 1fr; padding: 34px 26px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .scene-wrap, .compare-grid, .duo { grid-template-columns: 1fr; }
  .scene-img img { min-height: 220px; }
  .section { padding: 52px 0; }
  .cat-hero { padding: 40px 0 46px; }
}
@media (max-width: 520px) {
  .container, .container-wide { padding: 0 16px; }
  .metric-grid, .matrix, .trust-grid, .news-grid, .footer-grid { grid-template-columns: 1fr; }
  .nav-wrap { height: 66px; }
  .brand-mark { width: 38px; height: 38px; font-size: 15px; }
  .brand-text strong { font-size: 14px; }
  .brand-text span { font-size: 9.5px; letter-spacing: 1px; }
  .cat-cta { flex-direction: column; }
  .cat-cta .btn-primary, .cat-cta .btn-outline { width: 100%; justify-content: center; }
  .field { flex-direction: column; }
  .fab { left: 12px; bottom: 84px; width: 52px; height: 52px; }
}

/* roulang page: category3 */
:root {
  --bg-void: #030712;
  --bg-abyss: #081229;
  --bg-panel: rgba(15, 23, 42, 0.72);
  --bg-panel-solid: #0b1526;
  --electric: #2563EB;
  --cyan: #38BDF8;
  --holo: #60A5FA;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --border-soft: rgba(96, 165, 250, 0.18);
  --border-glow: rgba(56, 189, 248, 0.45);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-card: 0 10px 40px rgba(2, 6, 23, 0.65);
  --shadow-glow: 0 0 26px rgba(37, 99, 235, 0.35);
}
html { scroll-behavior: smooth; }
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Be Vietnam Pro', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-void);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(37, 99, 235, 0.18) 0%, transparent 42%),
    radial-gradient(circle at 88% 12%, rgba(56, 189, 248, 0.14) 0%, transparent 45%),
    linear-gradient(180deg, #030712 0%, #050b1c 55%, #030712 100%);
  color: var(--text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; margin: 0; padding: 0; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.container-wide { width: 100%; max-width: 1360px; margin: 0 auto; padding: 0 20px; }
/* HEADER */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(3, 7, 18, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-soft);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 18px; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 13px; flex: none;
  background: linear-gradient(135deg, #2563EB, #38BDF8);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 17px; color: #030712;
  box-shadow: var(--shadow-glow);
}
.brand-text { display: flex; flex-direction: column; min-width: 0; }
.brand-text strong { font-size: 16px; font-weight: 700; color: #fff; letter-spacing: .2px; line-height: 1.2; }
.brand-text span { font-size: 11px; color: var(--cyan); letter-spacing: 1.4px; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 15px; border-radius: 10px; font-size: 14.5px; font-weight: 500;
  color: var(--text-muted); transition: all .22s ease; white-space: nowrap;
}
.nav-links a:hover { color: #fff; background: rgba(56, 189, 248, 0.1); }
.nav-links a.active { color: #fff; background: rgba(37, 99, 235, 0.22); box-shadow: inset 0 0 0 1px var(--border-glow); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.btn-ghost {
  padding: 9px 16px; border-radius: 10px; font-size: 14px; font-weight: 600;
  color: var(--cyan); background: transparent; border: 1px solid rgba(56, 189, 248, 0.4);
  transition: all .22s ease;
}
.btn-ghost:hover { background: rgba(56, 189, 248, 0.12); color: #fff; }
.btn-primary {
  padding: 10px 20px; border-radius: 10px; font-size: 14px; font-weight: 700;
  color: #030712; background: linear-gradient(135deg, #38BDF8, #2563EB);
  border: none; box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
  transition: transform .2s ease, box-shadow .2s ease;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(56, 189, 248, 0.7); }
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  padding: 11px 22px; border-radius: 10px; font-size: 14.5px; font-weight: 600;
  color: #fff; background: rgba(56, 189, 248, 0.08); border: 1px solid var(--border-glow);
  transition: all .22s ease; display: inline-flex; align-items: center; gap: 8px;
}
.btn-outline:hover { background: rgba(56, 189, 248, 0.18); transform: translateY(-2px); }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  background: rgba(37, 99, 235, 0.16); border: 1px solid var(--border-soft);
  color: #fff; font-size: 18px;
}
.mobile-menu {
  display: none; flex-direction: column; gap: 4px;
  padding: 14px 20px 20px; border-top: 1px solid var(--border-soft);
  background: rgba(3, 7, 18, 0.98);
}
.mobile-menu a {
  padding: 12px 14px; border-radius: 10px; font-size: 15px;
  color: var(--text-muted); font-weight: 500;
}
.mobile-menu a.active, .mobile-menu a:hover { color: #fff; background: rgba(37, 99, 235, 0.2); }
.mobile-menu.open { display: flex; }
/* SECTION BASICS */
.section { padding: 66px 0; position: relative; }
.section-alt { background: linear-gradient(180deg, rgba(8, 18, 41, 0.55), rgba(3, 7, 18, 0.2)); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.sec-head { max-width: 780px; margin-bottom: 40px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 14px;
  font-size: 12px; font-weight: 700; letter-spacing: 1.6px; text-transform: uppercase; color: var(--cyan);
}
.eyebrow::before { content: ''; width: 26px; height: 2px; background: linear-gradient(90deg, var(--cyan), transparent); border-radius: 2px; }
h2.sec-title { font-size: clamp(23px, 3.2vw, 34px); font-weight: 800; margin: 0 0 14px; line-height: 1.25; letter-spacing: -.4px; }
h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.sec-desc { color: var(--text-muted); font-size: 15.5px; line-height: 1.75; margin: 0; }
p { margin: 0 0 14px; }
/* HERO */
.cat-hero { position: relative; padding: 58px 0 62px; overflow: hidden; border-bottom: 1px solid var(--border-soft); }
.cat-hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-image: url('/assets/images/abf114958ea60c67.jpg');
  background-size: cover; background-position: center; opacity: .26;
}
.cat-hero-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(3,7,18,.86) 0%, rgba(3,7,18,.95) 60%, #030712 100%);
}
.cat-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.55fr 1fr; gap: 40px; align-items: start; }
.cat-hero-copy h1 { font-size: clamp(27px, 4vw, 42px); font-weight: 800; line-height: 1.2; margin: 20px 0 18px; letter-spacing: -.5px; }
.cat-hero-copy h1 .grad { background: linear-gradient(120deg, #38BDF8, #60A5FA, #2563EB); -webkit-background-clip: text; background-clip: text; color: transparent; }
.cat-hero-copy .lead { color: var(--text-muted); font-size: 16px; line-height: 1.78; max-width: 640px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.crumb { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.crumb a:hover { color: var(--cyan); }
.crumb i { font-size: 10px; opacity: .6; }
.hero-stat-panel {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg); padding: 24px; backdrop-filter: blur(12px);
  box-shadow: var(--shadow-card);
}
.hero-stat-panel h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 1.3px; color: var(--cyan); font-weight: 700; margin-bottom: 18px; }
.stat-row { display: flex; justify-content: space-between; align-items: baseline; padding: 10px 0; border-bottom: 1px dashed rgba(96,165,250,.2); }
.stat-row:last-of-type { border-bottom: none; }
.stat-row span { font-size: 13.5px; color: var(--text-muted); }
.stat-row strong { font-size: 17px; font-weight: 700; color: #fff; }
.stat-row strong em { font-style: normal; color: var(--cyan); font-size: 12px; margin-left: 4px; }
.progress-block { margin-top: 22px; }
.progress-bar { height: 8px; border-radius: 999px; background: rgba(37,99,235,.18); overflow: hidden; margin-bottom: 8px; }
.progress-bar i { display: block; height: 100%; width: 82%; border-radius: 999px; background: linear-gradient(90deg, #2563EB, #38BDF8); box-shadow: 0 0 14px rgba(56,189,248,.6); }
.progress-label { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--text-muted); }
/* FEATURE GRID */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.feature-card {
  background: var(--bg-panel); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); padding: 24px;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 34px; height: 3px;
  background: linear-gradient(90deg, var(--cyan), transparent); border-radius: 3px;
}
.feature-card:hover { transform: translateY(-5px); border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: rgba(37, 99, 235, 0.18); border: 1px solid var(--border-soft);
  color: var(--cyan); font-size: 20px; margin-bottom: 16px;
}
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin: 0; }
/* GAME CARDS */
.game-card {
  background: var(--bg-panel-solid); border: 1px solid var(--border-soft);
  border-radius: var(--radius-md); overflow: hidden;
  transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.game-card:hover { transform: translateY(-5px); border-color: var(--border-glow); box-shadow: var(--shadow-glow); }
.game-card img { width: 100%; height: 152px; object-fit: cover; }
.game-card-body { padding: 16px 18px 20px; }
.game-tag {
  display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  color: var(--cyan); background: rgba(37,99,235,.18); border: 1px solid var(--border-soft);
  border-radius: 999px; padding: 3px 10px; margin-bottom: 10px;
}
.game-card-body h3 { font-size: 16px; margin-bottom: 6px; }
.game-card-body p { font-size: 13.5px; color: var(--text-muted); line-height: 1.62; margin: 0; }
.game-meta { display: flex; gap: 14px; margin-top: 14px; font-size: 12.5px; color: var(--text-muted); flex-wrap: wrap; }
.game-meta i { color: var(--cyan); margin-right: 5px; }
/* SLUG / MATRIX */
.matrix-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.matrix-item {
  background: linear-gradient(160deg, rgba(37,99,235,.14), rgba(15,23,42,.7));
  border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  padding: 26px; display: flex; flex-direction: column; gap: 12px;
  transition: transform .25s ease, border-color .25s ease;
}
.matrix-item:hover { transform: translateY(-4px); border-color: var(--border-glow); }
.matrix-item .num { font-size: 13px; font-weight: 800; color: var(--cyan); letter-spacing: 2px; }
.matrix-item h3 { font-size: 18px; margin: 0; }
.matrix-item p { font-size: 14px; color: var(--text-muted); line-height: 1.68; margin: 0; }
.matrix-item .more { font-size: 13.5px; font-weight: 600; color: var(--cyan); margin-top: auto; display: inline-flex; align-items: center; gap: 7px; }
.matrix-item:hover .more { gap: 11px; }
/* FLOW / STEPS */
.flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.flow-step {
  position: relative; padding: 24px 22px;
  background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
}
.flow-step .idx {
  width: 38px; height: 38px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px; color: #030712;
  background: linear-gradient(135deg, #38BDF8, #2563EB); margin-bottom: 16px;
  box-shadow: var(--shadow-glow);
}
.flow-step h3 { font-size: 16px; margin-bottom: 8px; }
.flow-step p { font-size: 13.8px; color: var(--text-muted); line-height: 1.68; margin: 0; }
.flow-step::after {
  content: ''; position: absolute; top: 42px; right: -14px; width: 14px; height: 2px;
  background: linear-gradient(90deg, var(--border-glow), transparent);
}
.flow-step:last-child::after { display: none; }
/* COMPARE TABLE */
.compare-wrap { overflow-x: auto; border: 1px solid var(--border-soft); border-radius: var(--radius-md); background: var(--bg-panel); }
table.compare { width: 100%; border-collapse: collapse; min-width: 640px; }
table.compare th, table.compare td { padding: 16px 20px; text-align: left; font-size: 14px; border-bottom: 1px solid rgba(96,165,250,.14); }
table.compare thead th { font-size: 12.5px; text-transform: uppercase; letter-spacing: 1.1px; color: var(--cyan); background: rgba(37,99,235,.12); }
table.compare tbody tr:last-child td { border-bottom: none; }
table.compare tbody tr:hover { background: rgba(37,99,235,.07); }
table.compare td:first-child { color: #fff; font-weight: 600; }
table.compare td { color: var(--text-muted); }
/* MILESTONE */
.timeline { position: relative; padding-left: 34px; }
.timeline::before { content: ''; position: absolute; left: 9px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, var(--cyan), rgba(37,99,235,.15)); }
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ''; position: absolute; left: -30px; top: 6px; width: 12px; height: 12px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 12px rgba(56,189,248,.8);
}
.tl-item h3 { font-size: 16px; margin-bottom: 6px; }
.tl-item span.date { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 1px; color: var(--cyan); text-transform: uppercase; margin-bottom: 8px; }
.tl-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; margin: 0; }
/* NEWS LIST */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card {
  background: var(--bg-panel-solid); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  overflow: hidden; display: flex; flex-direction: column; transition: transform .25s ease, border-color .25s ease;
}
.news-card:hover { transform: translateY(-4px); border-color: var(--border-glow); }
.news-card img { width: 100%; height: 165px; object-fit: cover; }
.news-body { padding: 18px 20px 22px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news-meta { display: flex; gap: 12px; font-size: 12px; color: var(--text-muted); flex-wrap: wrap; }
.news-meta span { display: inline-flex; align-items: center; gap: 6px; }
.news-meta i { color: var(--cyan); }
.news-body h3 { font-size: 16px; line-height: 1.45; margin: 0; }
.news-body h3 a:hover { color: var(--cyan); }
.news-body p { font-size: 13.5px; color: var(--text-muted); line-height: 1.65; margin: 0; flex: 1; }
.news-empty { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 14.5px; border: 1px dashed var(--border-soft); border-radius: var(--radius-md); grid-column: 1 / -1; }
/* ASSURANCE */
.assure-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.assure-item { display: flex; gap: 16px; padding: 22px; background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md); }
.assure-item i { font-size: 22px; color: var(--cyan); flex: none; margin-top: 2px; }
.assure-item h3 { font-size: 15.5px; margin-bottom: 6px; }
.assure-item p { font-size: 13.7px; color: var(--text-muted); line-height: 1.65; margin: 0; }
/* QUICK ANSWERS */
.qa-list { display: grid; gap: 14px; }
.qa-item {
  display: flex; gap: 16px; padding: 20px 22px;
  background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md);
  transition: border-color .25s ease;
}
.qa-item:hover { border-color: var(--border-glow); }
.qa-item .q-ico { width: 40px; height: 40px; border-radius: 12px; flex: none; display: flex; align-items: center; justify-content: center; background: rgba(37,99,235,.2); color: var(--cyan); font-size: 16px; }
.qa-item h3 { font-size: 15.5px; margin-bottom: 6px; }
.qa-item p { font-size: 14px; color: var(--text-muted); line-height: 1.68; margin: 0; }
/* FAQ */
.faq-list { display: grid; gap: 12px; max-width: 900px; }
.faq-item { background: var(--bg-panel); border: 1px solid var(--border-soft); border-radius: var(--radius-md); overflow: hidden; transition: border-color .25s ease; }
.faq-item[open] { border-color: var(--border-glow); }
.faq-item summary {
  cursor: pointer; padding: 18px 22px; font-size: 15.5px; font-weight: 600; color: #fff;
  display: flex; justify-content: space-between; align-items: center; gap: 16px; list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '\f067'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 12px; color: var(--cyan); transition: transform .25s ease; }
.faq-item[open] summary::after { content: '\f068'; }
.faq-item .faq-a { padding: 0 22px 20px; font-size: 14.2px; color: var(--text-muted); line-height: 1.72; }
/* CONVERT */
.convert-box {
  background: linear-gradient(140deg, rgba(37,99,235,.2), rgba(15,23,42,.85));
  border: 1px solid var(--border-glow); border-radius: var(--radius-lg);
  padding: 42px 38px; display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; align-items: center;
  box-shadow: var(--shadow-card);
}
.convert-box h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; margin: 0 0 12px; }
.convert-box p { color: var(--text-muted); font-size: 15px; line-height: 1.72; margin: 0 0 20px; }
.convert-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.convert-panel { background: rgba(3,7,18,.55); border: 1px solid var(--border-soft); border-radius: var(--radius-md); padding: 22px; }
.convert-panel .row { display: flex; justify-content: space-between; padding: 9px 0; font-size: 13.5px; border-bottom: 1px dashed rgba(96,165,250,.2); }
.convert-panel .row:last-child { border-bottom: none; }
.convert-panel .row span { color: var(--text-muted); }
.convert-panel .row strong { color: #fff; font-weight: 600; }
/* FOOTER */
.site-footer { background: rgba(3,7,18,.92); border-top: 1px solid var(--border-soft); padding: 56px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; padding-bottom: 40px; }
.footer-brand p { font-size: 13.7px; color: var(--text-muted); line-height: 1.72; margin: 16px 0; max-width: 360px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 8px; }
.footer-badges span {
  font-size: 11.5px; font-weight: 600; color: var(--cyan); padding: 5px 12px; border-radius: 999px;
  background: rgba(37,99,235,.14); border: 1px solid var(--border-soft); letter-spacing: .4px;
}
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 1.3px; color: #fff; margin: 0 0 16px; font-weight: 700; }
.footer-col ul { display: grid; gap: 10px; }
.footer-col a { font-size: 13.7px; color: var(--text-muted); transition: color .2s ease; }
.footer-col a:hover { color: var(--cyan); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 20px 0 26px; border-top: 1px solid var(--border-soft); font-size: 12.7px; color: var(--text-muted);
}
.footer-bottom .age { display: inline-flex; align-items: center; gap: 8px; color: var(--cyan); font-weight: 600; }
/* FAB */
.fab-support {
  position: fixed; left: 16px; bottom: 96px; z-index: 50;
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(7, 7, 13, 0.85); backdrop-filter: blur(10px);
  border: 2px solid transparent;
  background-image: linear-gradient(rgba(7,7,13,.9), rgba(7,7,13,.9)), linear-gradient(135deg, #38BDF8, #2563EB);
  background-origin: border-box; background-clip: padding-box, border-box;
  color: var(--cyan); font-size: 20px;
  box-shadow: 0 0 20px rgba(6, 182, 212, 0.45);
  opacity: .78; transition: all .25s ease; animation: fabPulse 2.6s ease-in-out infinite;
}
.fab-support:hover { opacity: 1; transform: scale(1.1); box-shadow: 0 0 32px rgba(56,189,248,.75); }
.fab-support:active { transform: scale(.95); }
@keyframes fabPulse {
  0%, 100% { box-shadow: 0 0 16px rgba(6,182,212,.35); }
  50% { box-shadow: 0 0 30px rgba(56,189,248,.7); }
}
/* RESPONSIVE */
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .cat-hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .grid-3, .matrix-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4, .flow { grid-template-columns: repeat(2, 1fr); }
  .flow-step::after { display: none; }
  .convert-box { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-actions .btn-ghost { display: none; }
  .section { padding: 48px 0; }
  .cat-hero { padding: 40px 0 46px; }
  .grid-3, .grid-2, .matrix-grid, .news-grid, .assure-grid, .grid-4, .flow { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .convert-box { padding: 30px 22px; }
  .hero-stat-panel { padding: 20px; }
}
@media (max-width: 520px) {
  .container, .container-wide { padding: 0 16px; }
  .brand-text span { display: none; }
  .nav-actions .btn-primary { padding: 9px 14px; font-size: 13px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .fab-support { width: 50px; height: 50px; font-size: 18px; bottom: 88px; }
  h2.sec-title { font-size: 21px; }
  .cat-hero-copy h1 { font-size: 25px; }
}