/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,32,64,.72);
  --surface-2:rgba(8,18,41,.48);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --text:#F8FAFC;
  --muted:#94A3B8;
  --soft:#CBD5E1;
  --accent:#1d4ed8;
  --accent-2:#38BDF8;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --container:1200px;
  --shadow:0 24px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(37,99,235,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -6%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 460px at 94% 4%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(700px 700px at 50% 118%, rgba(29,78,216,.16), transparent 68%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.26;letter-spacing:-.02em;font-weight:800}
p{margin:0}
::selection{background:rgba(56,189,248,.32)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;position:relative;z-index:1}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.scrolled{background:rgba(3,7,18,.94);border-bottom-color:rgba(56,189,248,.26)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 1 auto;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:none;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38BDF8);
  box-shadow:var(--glow);
  font-size:19px;line-height:1;
}
.brand-text{display:block;min-width:0}
.brand-text b{display:block;font-size:14px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{display:block;font-size:11px;color:var(--accent-2);letter-spacing:.09em;text-transform:uppercase;font-weight:600}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  padding:9px 14px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .22s,background .22s,box-shadow .22s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.10)}
.nav-links a.active{
  color:#fff;
  background:linear-gradient(180deg,rgba(37,99,235,.42),rgba(37,99,235,.16));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.36);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:none}
.btn-ghost{
  padding:9px 16px;border-radius:11px;
  border:1px solid rgba(56,189,248,.36);
  background:transparent;color:var(--accent-2);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:.25s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff}
.btn-ghost:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}
.btn-solid{
  padding:10px 20px;border-radius:11px;border:0;
  background:linear-gradient(135deg,#1d4ed8,#0ea5e9);
  color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  box-shadow:0 0 20px rgba(56,189,248,.4);
  transition:.25s;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.68)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.btn-solid:focus-visible{outline:2px solid #fff;outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;flex:none;
  border-radius:11px;border:1px solid var(--border);
  background:rgba(56,189,248,.08);color:#fff;cursor:pointer;
  place-items:center;transition:.25s;
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#e2f5ff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:'';position:absolute;left:0;width:17px;height:2px;border-radius:2px;background:#e2f5ff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{
  display:none;
  position:absolute;top:72px;left:0;right:0;
  background:rgba(3,8,20,.97);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:14px 22px 22px;
}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px 14px;border-radius:11px;font-size:15px;font-weight:500;color:var(--muted);transition:.2s}
.mobile-menu a:hover,.mobile-menu a.active{background:rgba(56,189,248,.11);color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;padding:146px 0 84px;overflow:hidden;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/b035077aa7d3c884.jpg');
  background-size:cover;background-position:center;
  opacity:.30;
}
.hero-shade{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(680px 420px at 78% 18%, rgba(56,189,248,.24), transparent 62%),
    linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.88) 52%,var(--bg) 100%);
}
.hero-inner{max-width:900px;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-2);
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(56,189,248,.34);
  background:rgba(56,189,248,.09);
}
.hero h1{
  margin-top:22px;
  font-size:clamp(27px,4.4vw,50px);
  line-height:1.16;
  letter-spacing:-.03em;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#93c5fd 55%,#e0f2fe);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:22px;max-width:790px;
  font-size:clamp(15px,1.6vw,17.5px);
  line-height:1.72;color:#c3d3e8;
}
.hero-points{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
}
.hero-points li{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 15px;border-radius:999px;
  font-size:13.5px;font-weight:500;color:#dbeafe;
  background:rgba(12,28,56,.72);
  border:1px solid rgba(56,189,248,.22);
}
.hero-points li::before{
  content:'';width:7px;height:7px;border-radius:50%;
  background:var(--accent-2);box-shadow:0 0 10px var(--accent-2);flex:none;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:15px 28px;border-radius:13px;
  font-size:15px;font-weight:700;border:0;cursor:pointer;
  transition:transform .26s,box-shadow .26s,background .26s,border-color .26s;
  text-align:center;
}
.btn-glow{
  background:linear-gradient(135deg,#1d4ed8,#0ea5e9);
  color:#fff;box-shadow:0 0 26px rgba(37,99,235,.55);
}
.btn-glow:hover{transform:translateY(-3px);box-shadow:0 0 38px rgba(56,189,248,.8)}
.btn-glow:active{transform:translateY(0) scale(.985)}
.btn-outline{
  background:rgba(56,189,248,.07);
  border:1px solid var(--border-strong);
  color:#e2e8f0;
}
.btn-outline:hover{background:rgba(56,189,248,.16);border-color:var(--accent-2);transform:translateY(-3px)}
.btn:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}
.hero-strip{
  display:flex;flex-wrap:wrap;gap:0;
  margin-top:44px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(15,32,64,.7),rgba(8,18,41,.42));
  backdrop-filter:blur(12px);
  overflow:hidden;
}
.hero-strip div{
  flex:1 1 150px;
  padding:20px 22px;
  border-right:1px solid rgba(56,189,248,.12);
}
.hero-strip div:last-child{border-right:0}
.hero-strip strong{
  display:block;font-size:clamp(20px,2.6vw,27px);font-weight:800;
  background:linear-gradient(120deg,#fff,#7dd3fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-strip span{display:block;margin-top:5px;font-size:12.5px;color:var(--muted)}

/* ---------- Sections ---------- */
section{position:relative;padding:74px 0;z-index:1}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,0));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-head{max-width:800px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,3vw,35px);line-height:1.24}
.section-head p{margin-top:15px;color:var(--muted);font-size:15.5px;line-height:1.72}
.tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.15em;
  text-transform:uppercase;color:var(--accent-2);margin-bottom:13px;
}

/* ---------- Grids & cards ---------- */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric{
  padding:26px 22px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(15,32,64,.78),rgba(8,18,41,.5));
  position:relative;overflow:hidden;
}
.metric::after{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--accent-2),transparent);
}
.metric strong{
  display:block;font-size:clamp(25px,3.4vw,36px);font-weight:800;line-height:1.1;
  background:linear-gradient(120deg,#ffffff,#7dd3fc);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.55}
.card{
  padding:26px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg,var(--surface),var(--surface-2));
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.card:hover{
  transform:translateY(-5px);
  border-color:var(--border-strong);
  box-shadow:0 0 0 1px rgba(56,189,248,.16),0 26px 44px -28px rgba(37,99,235,.95);
}
.card h3{font-size:17px;font-weight:700;margin-bottom:11px}
.card p{color:var(--muted);font-size:14.5px;line-height:1.68}
.icon-box{
  width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(37,99,235,.4),rgba(56,189,248,.16));
  border:1px solid rgba(56,189,248,.32);
  color:#7dd3fc;
}
.icon-box svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

.check-list{display:grid;gap:12px;margin-top:24px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;color:#cbd5e1;line-height:1.65;
}
.check-list li::before{
  content:'';flex:none;width:19px;height:19px;margin-top:3px;border-radius:6px;
  background:linear-gradient(140deg,#1d4ed8,#38BDF8);
  box-shadow:0 0 12px rgba(56,189,248,.45);
  -webkit-mask:linear-gradient(#000 0 0);
  position:relative;
}

/* ---------- Feature rows ---------- */
.feature-row{
  display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center;
  padding:36px 0;border-top:1px solid rgba(56,189,248,.1);
}
.feature-row:first-of-type{border-top:0;padding-top:0}
.feature-row.reverse .feature-media{order:-1}
.feature-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.feature-body h3{font-size:clamp(17px,2.1vw,21px);line-height:1.42;margin-bottom:15px}
.feature-body p{color:var(--muted);font-size:15px;line-height:1.74}
.pill-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.pill{
  font-size:12.5px;font-weight:600;color:#bae6fd;
  padding:7px 13px;border-radius:999px;
  background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.24);
}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{
  padding:28px 24px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(15,32,64,.72),rgba(8,18,41,.44));
  position:relative;
}
.step .num{
  display:block;font-size:12px;font-weight:800;letter-spacing:.18em;
  color:var(--accent-2);margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14.5px;line-height:1.68}

/* ---------- Compare table ---------- */
.compare{
  border-radius:var(--radius);border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(15,32,64,.6),rgba(8,18,41,.4));
  overflow-x:auto;
}
.compare table{width:100%;border-collapse:collapse;min-width:640px}
.compare th,.compare td{
  padding:16px 20px;text-align:left;font-size:14.5px;
  border-bottom:1px solid rgba(56,189,248,.1);vertical-align:top;
}
.compare th{
  background:rgba(37,99,235,.16);
  font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent-2);white-space:nowrap;
}
.compare tbody tr:last-child td{border-bottom:0}
.compare td:first-child{color:#e2e8f0;font-weight:600}
.compare td:last-child{color:#bae6fd}
.compare td:nth-child(2){color:var(--muted)}

/* ---------- Timeline ---------- */
.timeline{display:grid;gap:22px;position:relative;padding-left:30px;max-width:860px}
.timeline::before{
  content:'';position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--accent-2),rgba(56,189,248,0));
}
.tl-item{position:relative;padding-left:12px}
.tl-item::before{
  content:'';position:absolute;left:-30px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid var(--accent-2);
  box-shadow:0 0 14px rgba(56,189,248,.6);
}
.tl-item h3{font-size:16.5px;margin-bottom:8px}
.tl-item p{color:var(--muted);font-size:14.5px;line-height:1.68}

/* ---------- Devices ---------- */
.device-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.device{
  padding:26px 24px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(200deg,rgba(15,32,64,.7),rgba(8,18,41,.42));
}
.device h3{font-size:16.5px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.device h3 svg{width:19px;height:19px;stroke:var(--accent-2);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;flex:none}
.device p{color:var(--muted);font-size:14.5px;line-height:1.68}

/* ---------- Quotes ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.quote{
  padding:26px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(15,32,64,.68),rgba(8,18,41,.42));
  display:flex;flex-direction:column;
}
.quote blockquote{margin:0;font-size:14.5px;line-height:1.72;color:#dbeafe;font-style:italic}
.quote .who{margin-top:auto;padding-top:20px;display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-size:13.5px;font-weight:800;color:#04121f;
  background:linear-gradient(140deg,#38BDF8,#93c5fd);
}
.who b{display:block;font-size:13.5px;font-style:normal}
.who span{display:block;font-size:12.5px;color:var(--muted)}

/* ---------- Category matrix ---------- */
.channels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel{
  display:block;padding:28px 26px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(15,32,64,.74),rgba(8,18,41,.46));
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.channel:hover{
  transform:translateY(-6px);
  border-color:var(--border-strong);
  box-shadow:0 0 0 1px rgba(56,189,248,.2),0 28px 48px -30px rgba(37,99,235,1);
}
.channel .idx{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--accent-2)}
.channel h3{margin:14px 0 11px;font-size:17.5px}
.channel p{color:var(--muted);font-size:14.5px;line-height:1.68}
.channel .go{margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:#7dd3fc}

/* ---------- Assure ---------- */
.assure{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.assure-item{
  display:flex;gap:14px;padding:22px 22px;border-radius:var(--radius-sm);
  border:1px solid var(--border);
  background:rgba(10,22,46,.55);
}
.assure-item svg{width:20px;height:20px;flex:none;margin-top:3px;stroke:var(--accent-2);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}
.assure-item b{display:block;font-size:15px;margin-bottom:6px}
.assure-item p{color:var(--muted);font-size:14px;line-height:1.65}

/* ---------- Posts ---------- */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;flex-direction:column;gap:11px;
  padding:24px;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(15,32,64,.7),rgba(8,18,41,.44));
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.post-card:hover{
  transform:translateY(-5px);
  border-color:var(--border-strong);
  box-shadow:0 24px 44px -30px rgba(37,99,235,1);
}
.post-meta{
  align-self:flex-start;font-size:11.5px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--accent-2);
  padding:5px 11px;border-radius:7px;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.26);
}
.post-card h3{font-size:16.5px;line-height:1.45}
.post-card p{
  color:var(--muted);font-size:14px;line-height:1.62;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-date{font-size:12.5px;color:#64748b;margin-top:auto;padding-top:6px}
.empty-note{
  padding:32px;border-radius:var(--radius);text-align:center;
  border:1px dashed rgba(56,189,248,.3);color:var(--muted);font-size:14.5px;
}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:rgba(10,22,46,.58);overflow:hidden;transition:border-color .25s;
}
.faq-item.open{border-color:var(--border-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;background:none;border:0;text-align:left;
  font-size:15px;font-weight:600;cursor:pointer;color:var(--text);
  transition:color .22s;line-height:1.5;
}
.faq-q:hover{color:var(--accent-2)}
.faq-q:focus-visible{outline:2px solid var(--accent-2);outline-offset:-2px}
.faq-q .chev{flex:none;width:18px;height:18px;stroke:var(--accent-2);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .3s}
.faq-item.open .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s ease}
.faq-item.open .faq-a{max-height:460px}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.72}

/* ---------- CTA form ---------- */
.cta-shell{
  display:grid;grid-template-columns:1.02fr .98fr;gap:0;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:linear-gradient(150deg,rgba(15,32,64,.9),rgba(5,12,28,.92));
  overflow:hidden;
}
.cta-copy{padding:44px 40px}
.cta-copy h2{font-size:clamp(22px,2.7vw,31px);line-height:1.26}
.cta-copy p{margin-top:16px;color:var(--muted);font-size:15px;line-height:1.72}
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.pay-badge{
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:8px 13px;border-radius:8px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.26);
  color:#bae6fd;
}
.cta-form{padding:44px 40px;background:rgba(3,9,22,.55);border-left:1px solid rgba(56,189,248,.14)}
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;color:#cbd5e1;margin-bottom:7px}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:11px;
  border:1px solid rgba(56,189,248,.22);
  background:rgba(3,10,24,.72);color:#fff;font-size:14.5px;
  outline:none;transition:border-color .24s,box-shadow .24s;
}
.field input::placeholder{color:#5b6b82}
.field input:focus,.field select:focus{
  border-color:var(--accent-2);
  box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.form-note{margin-top:14px;font-size:12.5px;color:#64748b;line-height:1.6}
.form-msg{
  margin-top:14px;font-size:13.5px;font-weight:600;color:#7dd3fc;
  display:none;
}
.form-msg.show{display:block}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid rgba(56,189,248,.14);
  background:rgba(2,6,15,.9);
  padding:58px 0 26px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:17px}
.footer-brand b{font-size:14.5px}
.footer-about{color:var(--muted);font-size:13.8px;line-height:1.7;max-width:340px}
.footer-grid h4{
  font-size:11.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;
  color:var(--accent-2);margin-bottom:16px;
}
.footer-grid ul li a,.footer-grid ul li span{
  display:block;font-size:14px;color:var(--muted);
  padding:5px 0;transition:color .2s,transform .2s;
}
.footer-grid ul li a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid rgba(56,189,248,.1);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:12.8px;color:#64748b;
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;
  border:1.5px solid rgba(56,189,248,.5);color:#7dd3fc;
  font-size:12px;font-weight:800;flex:none;
}
.footer-legal{display:flex;align-items:center;gap:12px;flex-wrap:wrap}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  min-height:52px;padding:12px 20px;border-radius:999px;
  background:rgba(6,12,28,.86);
  backdrop-filter:blur(14px);
  border:1px solid rgba(56,189,248,.62);
  color:#e0f2fe;font-size:13.5px;font-weight:700;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  transition:transform .28s,box-shadow .28s,opacity .28s;
  opacity:.94;
}
.fab:hover{transform:scale(1.05);box-shadow:0 0 34px rgba(56,189,248,.8);opacity:1}
.fab:active{transform:scale(.95);border-color:#f43f5e}
.fab svg{width:18px;height:18px;stroke:#38BDF8;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.fab::after{
  content:'';position:absolute;top:-3px;right:-3px;
  width:11px;height:11px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 10px #f43f5e;
  animation:pulse 1.7s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.55;transform:scale(1.22)}
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .grid-3,.steps,.quotes,.channels,.posts,.device-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feature-row{grid-template-columns:1fr;gap:24px}
  .feature-row.reverse .feature-media{order:0}
  .cta-shell{grid-template-columns:1fr}
  .cta-copy,.cta-form{padding:34px 26px}
  .cta-form{border-left:0;border-top:1px solid rgba(56,189,248,.14)}
}
@media (max-width:720px){
  section{padding:58px 0}
  .hero{padding:118px 0 62px}
  .grid-2{grid-template-columns:1fr}
  .assure{grid-template-columns:1fr}
  .hero-strip div{flex:1 1 46%;border-right:0;border-bottom:1px solid rgba(56,189,248,.12)}
  .footer-grid{grid-template-columns:1fr}
  .brand-text span{display:none}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .grid-3,.steps,.quotes,.channels,.posts,.device-list{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .btn{width:100%}
  .nav-actions .btn-ghost{padding:8px 12px;font-size:12.5px}
  .nav-actions .btn-solid{padding:9px 14px;font-size:12.5px}
  .brand-mark{width:36px;height:36px;border-radius:10px;font-size:17px}
  .brand-text b{font-size:12.5px}
  .fab{left:12px;bottom:84px;padding:11px 16px;font-size:12.5px}
  .hero-points li{font-size:12.5px;padding:8px 12px}
}
@media (max-width:400px){
  .brand-text{max-width:112px}
  .brand-text b{font-size:11.5px}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,32,64,.72);
  --surface-2:rgba(8,18,41,.48);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --text:#F8FAFC;
  --muted:#94A3B8;
  --soft:#CBD5E1;
  --accent:#1d4ed8;
  --accent-2:#38BDF8;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --container:1200px;
  --shadow:0 24px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(37,99,235,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -6%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 460px at 94% 4%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(700px 700px at 50% 118%, rgba(29,78,216,.16), transparent 68%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;position:relative;z-index:1}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.scrolled{background:rgba(3,7,18,.94);border-bottom-color:rgba(56,189,248,.26)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 1 auto;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:none;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38BDF8);
  box-shadow:var(--glow);
  font-size:19px;line-height:1;
}
.brand-text{display:block;min-width:0}
.brand-text b{display:block;font-size:14px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{display:block;font-size:11px;color:var(--accent-2);letter-spacing:.09em;text-transform:uppercase;font-weight:600}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  padding:9px 14px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .22s,background .22s,box-shadow .22s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.10)}
.nav-links a.active{
  color:#fff;
  background:linear-gradient(180deg,rgba(37,99,235,.42),rgba(37,99,235,.16));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.36);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:none}
.btn-ghost{
  padding:9px 16px;border-radius:11px;
  border:1px solid rgba(56,189,248,.36);
  background:transparent;color:var(--accent-2);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:.25s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff}
.btn-ghost:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}
.btn-solid{
  padding:10px 20px;border-radius:11px;border:0;
  background:linear-gradient(135deg,#1d4ed8,#0ea5e9);
  color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  box-shadow:0 0 20px rgba(56,189,248,.4);
  transition:.25s;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.68)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.btn-solid:focus-visible{outline:2px solid #fff;outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;flex:none;
  border-radius:11px;border:1px solid var(--border);
  background:rgba(56,189,248,.08);color:#fff;cursor:pointer;
  place-items:center;transition:.25s;
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#e2f5ff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:'';position:absolute;left:0;width:17px;height:2px;border-radius:2px;background:#e2f5ff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{
  display:none;
  position:absolute;top:72px;left:0;right:0;
  background:rgba(3,8,20,.97);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:14px 22px 22px;
}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px 14px;border-radius:11px;font-size:15px;font-weight:500;color:var(--muted);transition:.2s}
.mobile-menu a:hover,.mobile-menu a.active{background:rgba(56,189,248,.11);color:#fff}

/* ---------- Post hero ---------- */
.post-hero{position:relative;padding:128px 0 42px;overflow:hidden;isolation:isolate}
.post-hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/1c2cf620786ee968.jpg');
  background-size:cover;background-position:center;
  opacity:.26;
}
.post-hero-shade{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(680px 420px at 82% 12%, rgba(56,189,248,.22), transparent 64%),
    linear-gradient(180deg,rgba(3,7,18,.76) 0%,rgba(3,7,18,.9) 58%,var(--bg) 100%);
}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:20px}
.crumbs a{color:var(--accent-2);transition:.2s}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs span.sep{opacity:.5}
.post-badges{display:flex;flex-wrap:wrap;gap:9px;align-items:center;margin-bottom:16px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--accent-2);
  border:1px solid rgba(56,189,248,.34);
  background:rgba(56,189,248,.09);
}
.chip.hot{color:#fecaca;border-color:rgba(248,113,113,.4);background:rgba(248,113,113,.12)}
.chip.gold{color:#fde68a;border-color:rgba(250,204,21,.34);background:rgba(250,204,21,.1)}
.post-hero h1{
  font-size:clamp(26px,4vw,44px);
  line-height:1.18;letter-spacing:-.03em;max-width:960px;
}
.post-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#93c5fd 55%,#e0f2fe);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.post-lead{margin-top:18px;max-width:820px;font-size:16.5px;line-height:1.72;color:#c3d3e8}
.post-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:13.5px;color:var(--muted)}
.post-meta b{color:#e6f1ff;font-weight:600}

/* ---------- Sections ---------- */
.sec{padding:60px 0;position:relative}
.sec-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,.2));
  border-top:1px solid rgba(56,189,248,.1);
  border-bottom:1px solid rgba(56,189,248,.1);
}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head .label{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent-2);margin-bottom:12px;
}
.sec-head h2{font-size:clamp(22px,2.8vw,32px);line-height:1.24;letter-spacing:-.02em}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.7}

/* ---------- Stats strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:-6px;
}
.stat{
  padding:20px 20px 18px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(15,32,64,.85),rgba(8,18,41,.55));
  backdrop-filter:blur(8px);
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.stat:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--glow)}
.stat b{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#38BDF8,#e0f2fe);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.55}

/* ---------- Article layout ---------- */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:34px;align-items:start}
.article-panel{
  padding:32px 34px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  background:linear-gradient(170deg,rgba(8,18,41,.78),rgba(3,7,18,.5));
  box-shadow:var(--shadow);
}
.article-body{font-size:16.5px;line-height:1.75;color:#dbe6f5;overflow-wrap:break-word}
.article-body h2{font-size:clamp(21px,2.4vw,28px);line-height:1.3;letter-spacing:-.02em;color:#fff;margin:36px 0 14px;padding-left:14px;border-left:3px solid var(--accent-2)}
.article-body h3{font-size:19px;color:#eaf3ff;margin:26px 0 10px}
.article-body h4{font-size:17px;color:#eaf3ff;margin:22px 0 8px}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body strong{color:#fff}
.article-body a{color:var(--accent-2);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#fff}
.article-body img{border-radius:var(--radius);border:1px solid var(--border);margin:20px 0}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;color:var(--soft);
  background:var(--surface-2);
  border-left:3px solid var(--accent-2);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.article-body table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.article-body th,.article-body td{padding:11px 13px;border:1px solid var(--border);text-align:left;white-space:nowrap}
.article-body th{background:rgba(56,189,248,.1);color:#fff;font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--border);margin:28px 0}
.empty-state{text-align:left;padding:8px 0}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--muted);margin-bottom:16px}

/* ---------- Aside ---------- */
.aside-card{
  padding:22px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(165deg,rgba(15,32,64,.8),rgba(8,18,41,.5));
  margin-bottom:18px;
}
.aside-card h3{font-size:16px;margin-bottom:14px;letter-spacing:-.01em}
.aside-list li{
  display:flex;justify-content:space-between;gap:12px;
  padding:9px 0;font-size:13.5px;color:var(--muted);
  border-bottom:1px dashed rgba(56,189,248,.16);
}
.aside-list li:last-child{border-bottom:0}
.aside-list li b{color:#e6f1ff;font-weight:600;text-align:right}
.aside-cta p{font-size:13.5px;color:var(--muted);line-height:1.65;margin-bottom:14px}
.aside-cta .btn-solid{width:100%;display:block;text-align:center}

/* ---------- Check list ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.check-card{
  padding:24px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg,rgba(15,32,64,.7),rgba(8,18,41,.42));
  transition:transform .28s,border-color .28s;
}
.check-card:hover{transform:translateY(-5px);border-color:var(--border-strong)}
.check-card .num{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:#04122b;
  background:linear-gradient(135deg,#38BDF8,#93c5fd);
  margin-bottom:14px;
}
.check-card h3{font-size:17px;margin-bottom:9px}
.check-card p{font-size:14.5px;color:var(--muted);line-height:1.68}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{
  position:relative;padding:26px 22px 22px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(165deg,rgba(12,28,56,.7),rgba(3,7,18,.5));
}
.step::before{
  content:'';position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,#38BDF8,rgba(56,189,248,0));
}
.step .tag{font-size:11.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;color:var(--accent-2)}
.step h3{font-size:17px;margin:10px 0 8px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.68}

/* ---------- Channel matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.matrix a{
  display:block;padding:26px 24px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(155deg,rgba(15,32,64,.78),rgba(8,18,41,.46));
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.matrix a:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:var(--glow)}
.matrix .glyph{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.3);
  font-size:20px;margin-bottom:15px;
}
.matrix h3{font-size:17px;margin-bottom:9px}
.matrix p{font-size:14.5px;color:var(--muted);line-height:1.68}
.matrix .more{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--accent-2)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-list details{
  border-radius:var(--radius-sm);
  border:1px solid var(--border);
  background:rgba(8,18,41,.55);
  padding:0 20px;
  transition:border-color .25s,background .25s;
}
.faq-list details[open]{border-color:var(--border-strong);background:rgba(12,28,56,.7)}
.faq-list summary{
  cursor:pointer;list-style:none;
  padding:17px 0;font-size:15.5px;font-weight:600;color:#eaf3ff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:'+';font-size:19px;font-weight:600;color:var(--accent-2);flex:none;transition:transform .25s;
}
.faq-list details[open] summary::after{content:'−'}
.faq-list p{padding:0 0 18px;font-size:14.8px;color:var(--muted);line-height:1.72}

/* ---------- Newsletter / CTA ---------- */
.cta-band{
  padding:38px;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:
    radial-gradient(520px 260px at 88% 0%, rgba(56,189,248,.22), transparent 62%),
    linear-gradient(150deg,rgba(15,32,64,.92),rgba(3,7,18,.7));
  display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(21px,2.6vw,29px);line-height:1.25;letter-spacing:-.02em}
.cta-band p{margin-top:12px;color:var(--soft);font-size:15px;line-height:1.7}
.form-row{display:flex;gap:10px;margin-top:6px}
.form-row input{
  flex:1;min-width:0;padding:13px 15px;border-radius:12px;
  border:1px solid var(--border);background:rgba(3,7,18,.6);color:#fff;font-size:14.5px;
  transition:border-color .22s,box-shadow .22s;
}
.form-row input::placeholder{color:#64748b}
.form-row input:focus{outline:none;border-color:var(--border-strong);box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.form-note{margin-top:10px;font-size:12.5px;color:var(--muted)}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:20px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.2),rgba(8,18,41,.85));
  border-top:1px solid rgba(56,189,248,.16);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;font-size:17px;border-radius:11px}
.footer-brand b{font-size:15px}
.footer-about{font-size:13.8px;color:var(--muted);line-height:1.72;max-width:420px}
.site-footer h4{font-size:13.5px;font-weight:700;letter-spacing:.04em;margin-bottom:14px;color:#eaf3ff}
.site-footer ul li{margin-bottom:9px;font-size:13.8px;color:var(--muted)}
.site-footer ul li a{color:var(--muted);transition:.2s}
.site-footer ul li a:hover{color:var(--accent-2)}
.footer-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.8px;color:var(--muted);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.age-badge{
  display:inline-grid;place-items:center;min-width:34px;height:24px;padding:0 8px;
  border-radius:8px;border:1px solid rgba(248,113,113,.45);
  background:rgba(248,113,113,.13);color:#fecaca;font-size:12px;font-weight:700;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:16px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.8);
  backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.5);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  font-size:22px;line-height:1;
  transition:transform .25s,box-shadow .25s,opacity .25s;
  opacity:.8;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(56,189,248,.75)}
.fab:active{transform:scale(.94)}
.fab .dot{
  position:absolute;top:-4px;right:-4px;width:13px;height:13px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 0 2px #030712;animation:dotPulse 1.8s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35)}50%{box-shadow:0 0 30px rgba(56,189,248,.7)}}
@keyframes dotPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.65}}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .article-grid{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .check-grid,.steps,.matrix{grid-template-columns:1fr}
  .btn-ghost,.btn-solid{padding:9px 14px;font-size:13px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .post-hero{padding:112px 0 32px}
  .sec{padding:44px 0}
  .article-panel{padding:22px 18px;border-radius:var(--radius)}
  .stat-strip{grid-template-columns:1fr}
  .cta-band{padding:26px 20px}
  .form-row{flex-direction:column}
  .form-row .btn-solid{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .brand-text b{font-size:12.5px;max-width:150px}
  .fab{width:50px;height:50px;bottom:84px;font-size:19px}
}
@media (max-width:420px){
  .nav-actions .btn-ghost{display:none}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,32,64,.72);
  --surface-2:rgba(8,18,41,.48);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --text:#F8FAFC;
  --muted:#94A3B8;
  --soft:#CBD5E1;
  --accent:#1d4ed8;
  --accent-2:#38BDF8;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --container:1200px;
  --shadow:0 24px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(37,99,235,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -6%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 460px at 94% 4%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(700px 700px at 50% 118%, rgba(29,78,216,.16), transparent 68%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.25}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;position:relative;z-index:1}
.anchor{display:block;position:relative;top:-96px;visibility:hidden}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.scrolled{background:rgba(3,7,18,.94);border-bottom-color:rgba(56,189,248,.26)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:1 1 auto;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38BDF8);box-shadow:var(--glow);font-size:19px;line-height:1;
}
.brand-text{display:block;min-width:0}
.brand-text b{display:block;font-size:14px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{display:block;font-size:11px;color:var(--accent-2);letter-spacing:.09em;text-transform:uppercase;font-weight:600}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .22s,background .22s,box-shadow .22s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.10)}
.nav-links a.active{
  color:#fff;background:linear-gradient(180deg,rgba(37,99,235,.42),rgba(37,99,235,.16));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.36);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:none}
.btn-ghost{
  padding:9px 16px;border-radius:11px;border:1px solid rgba(56,189,248,.36);
  background:transparent;color:var(--accent-2);font-size:14px;font-weight:600;cursor:pointer;
  transition:.25s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff}
.btn-ghost:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}
.btn-solid{
  padding:10px 20px;border-radius:11px;border:0;
  background:linear-gradient(135deg,#1d4ed8,#0ea5e9);color:#fff;font-size:14px;font-weight:700;
  cursor:pointer;box-shadow:0 0 20px rgba(56,189,248,.4);transition:.25s;white-space:nowrap;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.68)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.btn-solid:focus-visible{outline:2px solid #fff;outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;flex:none;border-radius:11px;border:1px solid var(--border);
  background:rgba(56,189,248,.08);color:#fff;cursor:pointer;place-items:center;transition:.25s;
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#e2f5ff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:'';position:absolute;left:0;width:17px;height:2px;border-radius:2px;background:#e2f5ff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{
  display:none;position:absolute;top:72px;left:0;right:0;
  background:rgba(3,8,20,.97);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);padding:14px 22px 22px;
}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px 14px;border-radius:11px;font-size:15px;font-weight:500;color:var(--muted);transition:.2s}
.mobile-menu a:hover,.mobile-menu a.active{background:rgba(56,189,248,.11);color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;padding:148px 0 78px;overflow:hidden;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/1c2cf620786ee968.jpg');
  background-size:cover;background-position:center;opacity:.32;
}
.hero-shade{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(680px 420px at 78% 18%, rgba(56,189,248,.24), transparent 62%),
    linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.88) 52%,var(--bg) 100%);
}
.hero-inner{max-width:920px;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-2);padding:7px 14px;border-radius:999px;
  border:1px solid rgba(56,189,248,.34);background:rgba(56,189,248,.09);
}
.hero h1{margin-top:22px;font-size:clamp(27px,4.4vw,50px);line-height:1.16;letter-spacing:-.03em}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#93c5fd 55%,#e0f2fe);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:22px;max-width:820px;font-size:clamp(15px,1.6vw,17.5px);line-height:1.72;color:#c3d3e8}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points li{
  display:inline-flex;align-items:center;gap:9px;padding:9px 15px;border-radius:999px;
  font-size:13.5px;font-weight:500;color:#dbeafe;
  background:rgba(12,28,56,.72);border:1px solid rgba(56,189,248,.22);
}
.hero-points li::before{content:'◆';color:var(--accent-2);font-size:10px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:13px}
.btn-outline{
  padding:14px 26px;border-radius:13px;font-size:15px;font-weight:700;
  border:1px solid var(--border-strong);color:var(--soft);background:rgba(8,18,41,.5);
  transition:.25s;display:inline-flex;align-items:center;
}
.btn-outline:hover{background:rgba(56,189,248,.14);color:#fff;transform:translateY(-2px)}
.hero-note{margin-top:20px;font-size:13px;color:var(--muted)}

/* ---------- Sections ---------- */
.section{padding:76px 0;position:relative}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.58),rgba(3,7,18,.12));
  border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08);
}
.section-head{max-width:780px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,3vw,34px);margin-top:14px}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.7}
.tag-line{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--accent-2);
}

/* ---------- Metrics ---------- */
.stat-layout{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:start}
.stat-copy p{color:var(--muted);margin-top:16px;font-size:15.5px}
.stat-copy ul{margin-top:20px;display:grid;gap:10px}
.stat-copy ul li{position:relative;padding-left:22px;font-size:14.5px;color:var(--soft)}
.stat-copy ul li::before{content:'';position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:linear-gradient(140deg,#1d4ed8,#38BDF8)}
.feature-media{margin-top:26px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);position:relative}
.feature-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.feature-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,0) 40%,rgba(3,7,18,.78))}
.feature-caption{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:2;
  font-size:13.5px;color:#dbeafe;line-height:1.55;
}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.stat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px;backdrop-filter:blur(14px);transition:.28s;
}
.stat-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow);transform:translateY(-3px)}
.stat-value{
  font-size:30px;font-weight:800;letter-spacing:-.04em;
  background:linear-gradient(120deg,#38BDF8,#bfdbfe);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:13.5px;font-weight:600;color:var(--soft);margin-top:4px}
.stat-note{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.55}

/* ---------- Matrix cards ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(285px,1fr));gap:18px}
.matrix-card{
  position:relative;background:var(--surface-2);border:1px solid var(--border);
  border-radius:var(--radius);padding:24px 22px;transition:.28s;
}
.matrix-card::before{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(140deg,rgba(56,189,248,.10),transparent 55%);opacity:0;transition:.3s;
}
.matrix-card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.matrix-card:hover::before{opacity:1}
.card-tag{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:#bae6fd;background:rgba(56,189,248,.13);border:1px solid rgba(56,189,248,.28);
  padding:5px 11px;border-radius:999px;margin-bottom:14px;
}
.matrix-card h3{font-size:17.5px;margin-bottom:10px}
.matrix-card p{font-size:14.5px;color:var(--muted);line-height:1.68}

/* ---------- Compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{border-radius:var(--radius);padding:26px 24px;border:1px solid var(--border);background:var(--surface-2)}
.compare-col.neutral{border-color:rgba(148,163,184,.22)}
.compare-col.strong{
  border-color:var(--border-strong);
  background:linear-gradient(180deg,rgba(37,99,235,.20),rgba(8,18,41,.66));
  box-shadow:var(--glow);
}
.compare-head{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:16px}
.compare-head span{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-size:14px;
  background:rgba(56,189,248,.14);border:1px solid rgba(56,189,248,.28);
}
.compare-col.neutral .compare-head span{background:rgba(148,163,184,.12);border-color:rgba(148,163,184,.26)}
.compare-list{display:grid;gap:12px}
.compare-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--soft);line-height:1.65}
.compare-list li::before{content:'·';position:absolute;left:6px;top:0;font-size:20px;line-height:1.35;color:var(--accent-2)}
.compare-col.neutral .compare-list li::before{color:#94A3B8}

/* ---------- Timeline ---------- */
.timeline{display:grid;gap:6px;max-width:880px}
.tl-item{position:relative;padding:0 0 28px 40px}
.tl-item::before{
  content:'';position:absolute;left:0;top:6px;width:14px;height:14px;border-radius:50%;
  background:linear-gradient(140deg,#1d4ed8,#38BDF8);box-shadow:0 0 0 5px rgba(56,189,248,.12);
}
.tl-item::after{
  content:'';position:absolute;left:6px;top:28px;bottom:2px;width:2px;
  background:linear-gradient(180deg,rgba(56,189,248,.42),rgba(56,189,248,0));
}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::after{display:none}
.tl-tag{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--accent-2)}
.tl-item h3{font-size:17px;margin:6px 0 8px}
.tl-item p{font-size:14.5px;color:var(--muted)}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:18px}
.news-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px 20px;transition:.28s;height:100%;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.news-cat{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--accent-2);margin-bottom:10px;
}
.news-card h3{font-size:16.5px;margin-bottom:10px;line-height:1.45}
.news-card p{font-size:14px;color:var(--muted);line-height:1.65}
.news-time{display:block;margin-top:14px;font-size:12.5px;color:#7c8ba3}
.news-empty{
  border:1px dashed var(--border-strong);border-radius:var(--radius);padding:26px;
  color:var(--muted);font-size:14.5px;background:var(--surface-2);
}

/* ---------- Trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.trust-item{
  border:1px solid var(--border);border-radius:var(--radius);padding:22px 20px;
  background:linear-gradient(160deg,rgba(15,32,64,.7),rgba(8,18,41,.45));transition:.28s;
}
.trust-item:hover{border-color:var(--border-strong);transform:translateY(-3px)}
.trust-icon{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:18px;
  background:rgba(56,189,248,.13);border:1px solid rgba(56,189,248,.28);margin-bottom:14px;
}
.trust-item h3{font-size:16px;margin-bottom:8px}
.trust-item p{font-size:14px;color:var(--muted);line-height:1.65}

/* ---------- Quick answers ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:16px}
.quick-item{border-left:2px solid var(--border-strong);padding:2px 0 2px 18px}
.quick-item h4{font-size:15.5px;margin-bottom:8px;color:#e2f2ff}
.quick-item p{font-size:14px;color:var(--muted);line-height:1.68}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:var(--surface-2);overflow:hidden;transition:.25s;
}
.faq-item[open]{border-color:var(--border-strong);background:rgba(15,32,64,.66)}
.faq-item summary{
  cursor:pointer;padding:18px 20px;font-size:15.5px;font-weight:600;color:#e6f1ff;
  list-style:none;display:flex;align-items:flex-start;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:'?';flex:none;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#0b1a38;background:linear-gradient(140deg,#93c5fd,#38BDF8);
}
.faq-item summary:focus-visible{outline:2px solid var(--accent-2);outline-offset:-2px}
.faq-item p{padding:0 20px 20px 56px;font-size:14.5px;color:var(--muted);line-height:1.72}

/* ---------- CTA / Form ---------- */
.cta-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;padding:36px;
  border-radius:var(--radius-lg);border:1px solid var(--border-strong);
  background:linear-gradient(135deg,rgba(29,78,216,.24),rgba(8,18,41,.82));
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.cta-panel::after{
  content:'';position:absolute;width:320px;height:320px;right:-90px;top:-120px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.24),transparent 70%);
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:clamp(21px,2.6vw,30px)}
.cta-copy p{margin-top:14px;color:#c3d3e8;font-size:15px}
.cta-copy ul{margin-top:20px;display:grid;gap:9px}
.cta-copy ul li{position:relative;padding-left:20px;font-size:14px;color:var(--soft)}
.cta-copy ul li::before{content:'✓';position:absolute;left:0;color:var(--accent-2);font-weight:700}
.form-card{position:relative;z-index:1;background:rgba(3,7,18,.55);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}
.field label{font-size:13px;font-weight:600;color:var(--soft)}
.field input,.field select{
  padding:12px 14px;border-radius:12px;border:1px solid var(--border);
  background:rgba(3,7,18,.65);color:var(--text);transition:.22s;width:100%;
}
.field input::placeholder{color:#64748b}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent-2);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.form-card .btn-solid{width:100%;margin-top:6px}
.form-note{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:21px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.55);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:.25s;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(56,189,248,.72)}
.fab:active{transform:scale(.94)}
.fab-dot{
  position:absolute;top:6px;right:6px;width:12px;height:12px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 0 2px rgba(255,255,255,.92);animation:pulseDot 1.6s infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:20px;background:rgba(2,6,15,.92);
  border-top:1px solid rgba(56,189,248,.14);padding:60px 0 28px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:15px;font-weight:800;margin-bottom:14px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:17px}
.footer-about{font-size:14px;color:var(--muted);line-height:1.72;max-width:420px}
.site-footer h4{font-size:14px;font-weight:700;color:#e2f2ff;margin-bottom:14px;letter-spacing:.01em}
.site-footer ul{display:grid;gap:10px}
.site-footer ul a,.site-footer ul span{font-size:13.8px;color:var(--muted);transition:.22s}
.site-footer ul a:hover{color:var(--accent-2)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7c8ba3;
}
.footer-legal{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.age-badge{
  display:inline-grid;place-items:center;min-width:34px;height:22px;padding:0 8px;border-radius:7px;
  font-size:11.5px;font-weight:800;color:#0b1a38;background:linear-gradient(140deg,#93c5fd,#38BDF8);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .stat-layout{grid-template-columns:1fr;gap:28px}
  .compare-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;gap:24px;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .hero{padding:132px 0 62px}
  .section{padding:58px 0}
  .stat-grid{grid-template-columns:1fr 1fr}
  .brand-text b{font-size:13px}
  .brand-text span{font-size:10px}
  .btn-ghost{padding:8px 12px;font-size:13px}
  .btn-solid{padding:9px 15px;font-size:13px}
  .faq-item p{padding-left:20px}
  .fab{bottom:88px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .brand-text{max-width:112px}
  .brand-text span{display:none}
  .nav-wrap{gap:8px;min-height:66px}
  .mobile-menu{top:66px}
  .hero{padding:118px 0 54px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-lg,.btn-outline{width:100%;justify-content:center}
  .stat-grid{grid-template-columns:1fr}
  .stat-value{font-size:26px}
  .cta-panel{padding:22px}
  .form-card{padding:18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .fab{left:12px;bottom:78px;width:52px;height:52px}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,32,64,.72);
  --surface-2:rgba(8,18,41,.48);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --text:#F8FAFC;
  --muted:#94A3B8;
  --soft:#CBD5E1;
  --accent:#1d4ed8;
  --accent-2:#38BDF8;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --container:1200px;
  --shadow:0 24px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(37,99,235,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -6%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 460px at 94% 4%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(700px 700px at 50% 118%, rgba(29,78,216,.16), transparent 68%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.24;letter-spacing:-.02em;font-weight:800}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;position:relative;z-index:1}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.scrolled{background:rgba(3,7,18,.94);border-bottom-color:rgba(56,189,248,.26)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 1 auto;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38BDF8);
  box-shadow:var(--glow);font-size:19px;line-height:1;
}
.brand-text{display:block;min-width:0}
.brand-text b{display:block;font-size:14px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{display:block;font-size:11px;color:var(--accent-2);letter-spacing:.09em;text-transform:uppercase;font-weight:600}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .22s,background .22s,box-shadow .22s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.10)}
.nav-links a.active{
  color:#fff;
  background:linear-gradient(180deg,rgba(37,99,235,.42),rgba(37,99,235,.16));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.36);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:none}
.btn-ghost{
  padding:9px 16px;border-radius:11px;
  border:1px solid rgba(56,189,248,.36);background:transparent;color:var(--accent-2);
  font-size:14px;font-weight:600;cursor:pointer;transition:.25s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff}
.btn-solid{
  padding:10px 20px;border-radius:11px;border:0;
  background:linear-gradient(135deg,#1d4ed8,#0ea5e9);
  color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  box-shadow:0 0 20px rgba(56,189,248,.4);transition:.25s;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.68)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.nav-toggle{
  display:none;width:42px;height:42px;flex:none;border-radius:11px;
  border:1px solid var(--border);background:rgba(56,189,248,.08);color:#fff;cursor:pointer;
  place-items:center;transition:.25s;
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#e2f5ff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:'';position:absolute;left:0;width:17px;height:2px;border-radius:2px;background:#e2f5ff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{
  display:none;position:absolute;top:72px;left:0;right:0;
  background:rgba(3,8,20,.97);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);padding:14px 22px 22px;
}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px 14px;border-radius:11px;font-size:15px;font-weight:500;color:var(--muted);transition:.2s}
.mobile-menu a:hover,.mobile-menu a.active{background:rgba(56,189,248,.11);color:#fff}

/* ---------- Hero (stacked cards) ---------- */
.cat-hero{position:relative;padding:138px 0 74px;overflow:hidden;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/1c2cf620786ee968.jpg');
  background-size:cover;background-position:center;opacity:.26;
}
.hero-shade{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(700px 420px at 80% 14%, rgba(56,189,248,.22), transparent 62%),
    linear-gradient(180deg,rgba(3,7,18,.76) 0%,rgba(3,7,18,.9) 54%,var(--bg) 100%);
}
.cat-hero-grid{display:grid;grid-template-columns:1.38fr .92fr;gap:26px;align-items:start}
.glass{
  background:linear-gradient(160deg,rgba(15,32,64,.78),rgba(8,18,41,.62));
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.cat-hero-main{padding:34px 32px 32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-2);padding:7px 14px;border-radius:999px;
  border:1px solid rgba(56,189,248,.34);background:rgba(56,189,248,.09);
}
.cat-hero-main h1{margin-top:20px;font-size:clamp(26px,3.9vw,44px);line-height:1.16;letter-spacing:-.032em}
.cat-hero-main h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#93c5fd 55%,#e0f2fe);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:20px;font-size:clamp(15px,1.5vw,17px);line-height:1.72;color:#c3d3e8;max-width:720px}
.hero-points{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  font-size:13px;font-weight:500;color:#dbeafe;
  background:rgba(12,28,56,.72);border:1px solid rgba(56,189,248,.22);
}
.hero-points li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 8px var(--accent-2)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn-lg{padding:14px 26px;border-radius:13px;font-size:15px;font-weight:700;display:inline-flex;align-items:center;gap:9px}
.btn-outline{
  padding:13px 24px;border-radius:13px;font-size:15px;font-weight:600;
  border:1px solid rgba(56,189,248,.4);color:var(--accent-2);background:transparent;
  transition:.25s;display:inline-flex;align-items:center;gap:9px;cursor:pointer;
}
.btn-outline:hover{background:rgba(56,189,248,.12);color:#fff;border-color:var(--border-strong)}
.cat-hero-side{display:grid;gap:18px}
.side-card{padding:24px 22px}
.side-card:nth-child(2){transform:translateY(26px)}
.side-title{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;font-weight:700;color:var(--soft);letter-spacing:.02em}
.side-badge{
  font-size:10.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:4px 9px;border-radius:999px;color:#a7f3d0;background:rgba(16,185,129,.14);
  border:1px solid rgba(16,185,129,.34);
}
.side-badge.warn{color:#fde68a;background:rgba(245,158,11,.13);border-color:rgba(245,158,11,.36)}
.odds-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(148,163,184,.2)}
.odds-row:last-of-type{border-bottom:0}
.odds-row .team{font-size:14.5px;font-weight:600;color:#e6efff;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.odds-row .val{font-size:15px;font-weight:800;color:var(--accent-2);font-variant-numeric:tabular-nums}
.odds-row .val.down{color:#fca5a5}
.side-foot{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.6}
.pay-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pay-chips span{
  font-size:12px;font-weight:600;padding:7px 12px;border-radius:9px;
  background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.2);color:#dbeafe;
}

/* ---------- Section base ---------- */
.section{padding:74px 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(3,7,18,.2))}
.section-head{max-width:820px;margin-bottom:38px}
.tag{
  display:inline-block;font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-2);padding:6px 12px;border-radius:8px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.24);margin-bottom:16px;
}
.section-head h2{font-size:clamp(22px,3vw,34px);line-height:1.22}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.7}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.32),transparent);margin:0}

/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  padding:26px 22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(15,32,64,.7),rgba(8,18,41,.42));
  border:1px solid var(--border);transition:border-color .28s,transform .28s;
}
.metric:hover{border-color:var(--border-strong);transform:translateY(-4px)}
.metric b{display:block;font-size:clamp(26px,3.4vw,38px);line-height:1.1;font-weight:800;
  background:linear-gradient(120deg,#38BDF8,#bfdbfe);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.metric span{display:block;margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.55}

/* ---------- Matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.kcard{
  padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(170deg,rgba(15,32,64,.66),rgba(8,18,41,.38));
  border:1px solid var(--border);position:relative;overflow:hidden;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.kcard::after{
  content:'';position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(56,189,248,0);transition:.3s;
}
.kcard:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 0 28px rgba(37,99,235,.34)}
.kcard .kicon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(29,78,216,.9),rgba(56,189,248,.85));
  font-size:19px;margin-bottom:16px;box-shadow:0 0 18px rgba(56,189,248,.34);
}
.kcard h3{font-size:17.5px;margin-bottom:10px}
.kcard p{font-size:14.3px;color:var(--muted);line-height:1.68}
.kcard .kmeta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.kcard .kmeta span{
  font-size:11.5px;font-weight:600;padding:5px 10px;border-radius:7px;
  background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.18);color:#cbe8ff;
}

/* ---------- Compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-panel{padding:28px 26px;border-radius:var(--radius);border:1px solid var(--border);background:rgba(8,18,41,.5)}
.compare-panel.strong{border-color:var(--border-strong);background:linear-gradient(165deg,rgba(29,78,216,.2),rgba(8,18,41,.5))}
.compare-panel h3{font-size:18px;display:flex;align-items:center;gap:10px;margin-bottom:8px}
.compare-panel h3 em{font-style:normal;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:4px 9px;border-radius:7px;background:rgba(56,189,248,.14);color:var(--accent-2);border:1px solid rgba(56,189,248,.3)}
.compare-panel>p{font-size:14.2px;color:var(--muted);margin-bottom:16px;line-height:1.68}
.check-list li{display:flex;gap:11px;padding:11px 0;border-top:1px dashed rgba(148,163,184,.18);font-size:14.2px;color:var(--soft);line-height:1.6}
.check-list li:first-child{border-top:0}
.check-list li::before{content:'✓';flex:none;color:var(--accent-2);font-weight:800}
.compare-panel.strong .check-list li::before{content:'★';color:#fcd34d}

/* ---------- Timeline ---------- */
.timeline{position:relative;display:grid;gap:0;margin-top:8px}
.tl-item{
  display:grid;grid-template-columns:132px 1fr;gap:24px;padding:22px 0;
  border-top:1px solid rgba(56,189,248,.14);
}
.tl-item:first-child{border-top:0}
.tl-when{font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--accent-2);text-transform:uppercase;padding-top:3px}
.tl-body h3{font-size:17px;margin-bottom:8px}
.tl-body p{font-size:14.3px;color:var(--muted);line-height:1.68}

/* ---------- Channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:block;padding:28px 24px;border-radius:var(--radius);
  border:1px solid var(--border);background:linear-gradient(170deg,rgba(15,32,64,.7),rgba(8,18,41,.4));
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.channel-card:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:0 0 30px rgba(37,99,235,.34)}
.channel-card .num{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--accent-2)}
.channel-card h3{font-size:18px;margin:12px 0 10px}
.channel-card p{font-size:14.2px;color:var(--muted);line-height:1.68}
.channel-card .go{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13.5px;font-weight:700;color:var(--accent-2)}
.channel-card:hover .go{color:#fff}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);background:rgba(8,18,41,.52);
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 0 28px rgba(37,99,235,.3)}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#0b1a38}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-2)}
.news-body h3{font-size:16.5px;line-height:1.42}
.news-body h3 a:hover{color:var(--accent-2)}
.news-body p{font-size:13.8px;color:var(--muted);line-height:1.62}
.empty-note{
  padding:26px 24px;border-radius:var(--radius);border:1px dashed rgba(56,189,248,.3);
  color:var(--muted);font-size:14.5px;background:rgba(8,18,41,.4);
}

/* ---------- Trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{padding:24px 20px;border-radius:var(--radius);border:1px solid var(--border);background:rgba(8,18,41,.44)}
.trust-item .tico{font-size:22px;margin-bottom:12px}
.trust-item h4{font-size:15.5px;margin-bottom:8px}
.trust-item p{font-size:13.6px;color:var(--muted);line-height:1.62}

/* ---------- Quick answers ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.quick-item{padding:6px 26px 6px 0;border-left:2px solid rgba(56,189,248,.34);padding-left:22px}
.quick-item+.quick-item{margin-left:26px}
.quick-item h3{font-size:16.5px;margin-bottom:10px}
.quick-item p{font-size:14.2px;color:var(--muted);line-height:1.68}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:960px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:rgba(8,18,41,.48);overflow:hidden;transition:border-color .25s,background .25s;
}
.faq-item[open]{border-color:var(--border-strong);background:rgba(12,26,54,.62)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:15.6px;font-weight:700;color:#e8f2ff;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.28);color:var(--accent-2);
  font-size:16px;font-weight:700;transition:.25s;
}
.faq-item[open] summary::after{content:'–';background:rgba(56,189,248,.24);color:#fff}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.4px;color:var(--muted);line-height:1.72;border-top:1px solid rgba(56,189,248,.12);padding-top:16px}

/* ---------- CTA / form ---------- */
.cta-panel{
  display:grid;grid-template-columns:1.05fr 1fr;gap:34px;align-items:center;
  padding:40px 38px;border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:
    radial-gradient(600px 300px at 8% 0%, rgba(56,189,248,.16), transparent 62%),
    linear-gradient(160deg,rgba(15,32,64,.86),rgba(8,18,41,.6));
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(22px,2.8vw,32px);line-height:1.22}
.cta-panel .cta-copy p{margin-top:14px;color:#c3d3e8;font-size:15px;line-height:1.72}
.cta-notes{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.cta-notes span{font-size:12px;font-weight:600;padding:7px 12px;border-radius:9px;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.2);color:#dbeafe}
.cta-form{display:grid;gap:14px}
.field{display:grid;gap:7px}
.field label{font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--soft);text-transform:uppercase}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:12px;
  background:rgba(3,10,24,.72);border:1px solid var(--border);color:var(--text);
  font-size:14.5px;transition:border-color .25s,box-shadow .25s;
}
.field input::placeholder{color:#64748b}
.field input:focus,.field select:focus{outline:none;border-color:var(--border-strong);box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.6}
.check-line input{width:17px;height:17px;flex:none;margin-top:2px;accent-color:#38BDF8}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:20px;padding:62px 0 30px;position:relative;z-index:1;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(6,14,32,.95));
  border-top:1px solid rgba(56,189,248,.14);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px}
.footer-about{font-size:13.6px;color:var(--muted);line-height:1.7;max-width:340px}
.site-footer h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#dbeafe;margin-bottom:14px}
.site-footer ul li{font-size:13.6px;color:var(--muted);padding:6px 0;line-height:1.6}
.site-footer ul li a{transition:color .22s}
.site-footer ul li a:hover{color:var(--accent-2)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:12.8px;color:var(--muted);
}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:24px;border-radius:7px;
  font-size:11px;font-weight:800;color:#fca5a5;background:rgba(220,38,38,.14);
  border:1px solid rgba(220,38,38,.4);
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:19px;display:grid;place-items:center;
  background-image:linear-gradient(rgba(7,12,26,.86),rgba(7,12,26,.86)),linear-gradient(135deg,#38BDF8,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:1.5px solid transparent;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.78;transition:transform .3s,opacity .3s,box-shadow .3s;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 34px rgba(56,189,248,.78)}
.fab:active{transform:scale(.94)}
.fab .fab-ico{font-size:22px;line-height:1;filter:drop-shadow(0 0 8px rgba(56,189,248,.8))}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#22d3ee;box-shadow:0 0 10px #22d3ee;animation:pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.6}}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .cat-hero-grid{grid-template-columns:1fr}
  .side-card:nth-child(2){transform:none}
  .cat-hero-side{grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:1fr;gap:8px}
  .quick-item{padding:14px 0 14px 18px;margin:0}
  .quick-item+.quick-item{margin-left:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-panel{grid-template-columns:1fr;padding:34px 26px}
}
@media (max-width:768px){
  .hero-lead{font-size:15px}
  .cat-hero{padding:118px 0 60px}
  .section{padding:56px 0}
  .compare-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:8px}
  .cat-hero-side{grid-template-columns:1fr}
  .metric-grid,.matrix-grid,.channel-grid,.news-grid,.trust-grid{grid-template-columns:1fr}
  .brand-text b{max-width:44vw}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-wrap{min-height:66px}
  .mobile-menu{top:66px}
  .brand-text b{font-size:12.5px;max-width:38vw}
  .brand-text span{font-size:10px}
  .btn-ghost{padding:8px 12px;font-size:13px}
  .btn-solid{padding:9px 14px;font-size:13px}
  .cat-hero-main{padding:26px 20px}
  .hero-cta .btn-lg,.hero-cta .btn-outline{width:100%;justify-content:center}
  .cta-panel{padding:26px 18px}
  .footer-grid{grid-template-columns:1fr}
  .fab{left:12px;bottom:86px;width:54px;height:54px}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,32,64,.72);
  --surface-2:rgba(8,18,41,.48);
  --border:rgba(56,189,248,.16);
  --border-strong:rgba(56,189,248,.42);
  --text:#F8FAFC;
  --muted:#94A3B8;
  --soft:#CBD5E1;
  --accent:#1d4ed8;
  --accent-2:#38BDF8;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --container:1200px;
  --shadow:0 24px 50px -28px rgba(2,8,23,.95);
  --glow:0 0 26px rgba(37,99,235,.5);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:'';
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 8% -8%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(760px 460px at 96% 2%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(700px 700px at 50% 120%, rgba(29,78,216,.16), transparent 68%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;position:relative;z-index:1}

/* ---------- Header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.scrolled{background:rgba(3,7,18,.94);border-bottom-color:rgba(56,189,248,.26)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 1 auto;min-width:0}
.brand-mark{
  width:40px;height:40px;flex:none;
  border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38BDF8);
  box-shadow:var(--glow);
  font-size:19px;line-height:1;
}
.brand-text{display:block;min-width:0}
.brand-text b{display:block;font-size:14px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{display:block;font-size:11px;color:var(--accent-2);letter-spacing:.09em;text-transform:uppercase;font-weight:600}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
  padding:9px 14px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:color .22s,background .22s,box-shadow .22s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.10)}
.nav-links a.active{
  color:#fff;
  background:linear-gradient(180deg,rgba(37,99,235,.42),rgba(37,99,235,.16));
  box-shadow:inset 0 0 0 1px rgba(56,189,248,.36);
}
.nav-actions{display:flex;align-items:center;gap:9px;flex:none}
.btn-ghost{
  padding:9px 16px;border-radius:11px;
  border:1px solid rgba(56,189,248,.36);
  background:transparent;color:var(--accent-2);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:.25s;white-space:nowrap;
}
.btn-ghost:hover{background:rgba(56,189,248,.13);color:#fff}
.btn-ghost:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px}
.btn-solid{
  padding:10px 20px;border-radius:11px;border:0;
  background:linear-gradient(135deg,#1d4ed8,#0ea5e9);
  color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  box-shadow:0 0 20px rgba(56,189,248,.4);
  transition:.25s;white-space:nowrap;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.68)}
.btn-solid:active{transform:translateY(0) scale(.98)}
.btn-solid:focus-visible{outline:2px solid #fff;outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;flex:none;
  border-radius:11px;border:1px solid var(--border);
  background:rgba(56,189,248,.08);color:#fff;cursor:pointer;
  place-items:center;transition:.25s;
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:#e2f5ff;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:'';position:absolute;left:0;width:17px;height:2px;border-radius:2px;background:#e2f5ff}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-menu{
  display:none;
  position:absolute;top:72px;left:0;right:0;
  background:rgba(3,8,20,.97);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:14px 22px 22px;
}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:13px 14px;border-radius:11px;font-size:15px;font-weight:500;color:var(--muted);transition:.2s}
.mobile-menu a:hover,.mobile-menu a.active{background:rgba(56,189,248,.11);color:#fff}

/* ---------- Hero ---------- */
.hero{position:relative;padding:146px 0 84px;overflow:hidden;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/images/1c2cf620786ee968.jpg');
  background-size:cover;background-position:center;
  opacity:.30;
}
.hero-shade{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(680px 420px at 80% 16%, rgba(56,189,248,.24), transparent 62%),
    linear-gradient(180deg,rgba(3,7,18,.76) 0%,rgba(3,7,18,.9) 50%,var(--bg) 100%);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-2);
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(56,189,248,.34);
  background:rgba(56,189,248,.09);
}
.hero h1{
  margin-top:22px;
  font-size:clamp(26px,4.1vw,46px);
  line-height:1.16;
  letter-spacing:-.03em;
  font-weight:800;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,#38BDF8,#93c5fd 55%,#e0f2fe);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  margin-top:22px;max-width:720px;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.72;color:#c3d3e8;
}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points li{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 15px;border-radius:999px;
  font-size:13.5px;font-weight:500;color:#dbeafe;
  background:rgba(12,28,56,.72);
  border:1px solid rgba(56,189,248,.22);
}
.hero-points li::before{content:'✓';color:var(--accent-2);font-weight:800;font-size:12.5px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-cta .btn-solid,.hero-cta .btn-ghost{padding:13px 24px;font-size:15px;border-radius:13px}
.hero-panel{
  background:linear-gradient(180deg,rgba(15,32,64,.82),rgba(8,18,41,.62));
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.hero-panel h2{font-size:15px;letter-spacing:.02em;font-weight:700}
.hero-panel .panel-sub{margin-top:6px;font-size:13px;color:var(--muted)}
.panel-rows{margin-top:20px;display:grid;gap:10px}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 15px;border-radius:13px;
  background:rgba(3,7,18,.55);
  border:1px solid rgba(56,189,248,.14);
}
.panel-row span{font-size:13.5px;color:var(--soft)}
.panel-row b{font-size:15px;font-weight:800;color:#e0f2fe}
.panel-row b.hi{color:#38BDF8}
.panel-note{
  margin-top:18px;padding:13px 15px;border-radius:13px;
  font-size:12.8px;line-height:1.6;color:var(--muted);
  background:rgba(56,189,248,.07);
  border-left:3px solid var(--accent-2);
}

/* ---------- Sections ---------- */
.section{padding:78px 0;position:relative;z-index:1}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.32));
  border-top:1px solid rgba(56,189,248,.10);
  border-bottom:1px solid rgba(56,189,248,.10);
}
.sec-head{max-width:780px;margin-bottom:38px}
.sec-head h2{font-size:clamp(21px,2.9vw,32px);line-height:1.24;letter-spacing:-.02em;margin-top:12px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.72}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent-2);
}
.sec-head-wide{max-width:none}

/* ---------- Cards / grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.glass{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:border-color .28s,transform .28s,box-shadow .28s,background .28s;
}
.card{
  padding:26px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:border-color .28s,transform .28s,box-shadow .28s,background .28s;
}
.card:hover{
  border-color:var(--border-strong);
  transform:translateY(-4px);
  box-shadow:0 18px 40px -26px rgba(56,189,248,.85);
  background:rgba(15,32,64,.82);
}
.card h3{font-size:16.5px;font-weight:700;letter-spacing:-.01em}
.card p{margin-top:10px;font-size:14.6px;color:var(--muted);line-height:1.7}
.ic{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(29,78,216,.55),rgba(56,189,248,.28));
  border:1px solid rgba(56,189,248,.34);
  font-size:19px;margin-bottom:16px;
}
.metric-num{
  display:block;font-size:clamp(24px,3.2vw,34px);font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,#38BDF8,#bfdbfe);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-label{display:block;margin-top:8px;font-size:14.5px;font-weight:700}
.metric-card p{margin-top:8px;font-size:13.8px;color:var(--muted);line-height:1.68}

/* ---------- Channel table ---------- */
.channel-list{display:grid;gap:12px}
.channel-row{
  display:grid;grid-template-columns:1.4fr .9fr .9fr 1fr .7fr;
  gap:12px;align-items:center;
  padding:16px 18px;border-radius:14px;
  background:var(--surface-2);
  border:1px solid var(--border);
  transition:.25s;
}
.channel-row:hover{border-color:var(--border-strong);background:rgba(15,32,64,.7)}
.channel-row.head{
  background:transparent;border:0;padding:0 18px 4px;
  font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);font-weight:700;
}
.channel-name{display:flex;align-items:center;gap:11px;font-weight:700;font-size:15px}
.channel-name i{
  width:30px;height:30px;border-radius:9px;font-style:normal;
  display:grid;place-items:center;font-size:13px;font-weight:800;
  background:rgba(56,189,248,.14);border:1px solid rgba(56,189,248,.3);color:#7dd3fc;
}
.channel-row .val{font-size:14.5px;font-weight:600;color:var(--soft)}
.channel-row .val.free{color:#4ade80;font-weight:700}
.cl{display:none;font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:st}
.step{
  padding:26px 22px;border-radius:var(--radius);
  background:var(--surface);
  border:1px solid var(--border);
  position:relative;
  transition:.28s;
}
.step:hover{border-color:var(--border-strong);transform:translateY(-4px)}
.step-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#e0f2fe;
  background:linear-gradient(135deg,#1d4ed8,#0ea5e9);
  box-shadow:0 0 16px rgba(56,189,248,.4);
}
.step h3{margin-top:16px;font-size:16px}
.step p{margin-top:9px;font-size:14.4px;color:var(--muted);line-height:1.7}

/* ---------- Timeline ---------- */
.timeline{
  display:grid;grid-template-columns:repeat(5,1fr);gap:0;
  margin-top:34px;position:relative;
}
.tl-item{position:relative;padding:0 16px 0 0}
.tl-item::before{
  content:'';position:absolute;top:7px;left:16px;right:0;height:2px;
  background:linear-gradient(90deg,rgba(56,189,248,.5),rgba(56,189,248,.08));
}
.tl-item:last-child::before{display:none}
.tl-dot{
  width:16px;height:16px;border-radius:50%;
  background:#0ea5e9;box-shadow:0 0 14px rgba(56,189,248,.85);
  position:relative;z-index:1;
}
.tl-time{margin-top:14px;font-size:12.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-2)}
.tl-item p{margin-top:6px;font-size:13.8px;color:var(--muted);line-height:1.6}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.check-list{display:grid;gap:14px;margin-top:26px}
.check-list li{
  display:flex;gap:13px;align-items:flex-start;
  padding:15px 18px;border-radius:14px;
  background:var(--surface-2);
  border:1px solid var(--border);
  font-size:14.7px;color:var(--soft);line-height:1.65;
}
.check-list li::before{
  content:'🔒';font-size:15px;line-height:1.4;flex:none;
}
.media-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow);
}
.media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-overlay{
  position:absolute;left:18px;right:18px;bottom:18px;
  padding:16px 18px;border-radius:14px;
  background:rgba(3,7,18,.78);
  border:1px solid var(--border);
  backdrop-filter:blur(12px);
}
.media-overlay b{display:block;font-size:17px;font-weight:800;color:#e0f2fe}
.media-overlay span{display:block;margin-top:4px;font-size:12.8px;color:var(--muted)}

/* ---------- Compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.compare-col{
  padding:26px;border-radius:var(--radius);
  background:var(--surface-2);
  border:1px solid var(--border);
}
.compare-col.best{
  border-color:var(--border-strong);
  background:linear-gradient(180deg,rgba(29,78,216,.22),rgba(8,18,41,.55));
  box-shadow:0 0 30px -12px rgba(56,189,248,.55);
}
.compare-col h3{font-size:17px;display:flex;align-items:center;gap:10px}
.tag{
  font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:800;
  padding:5px 10px;border-radius:999px;
  background:rgba(56,189,248,.16);color:#7dd3fc;border:1px solid rgba(56,189,248,.34);
}
.cmp-row{
  display:flex;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed rgba(148,163,184,.22);
  font-size:14.4px;
}
.cmp-row:last-child{border-bottom:0}
.cmp-row span{color:var(--muted)}
.cmp-row b{font-weight:700;color:var(--soft);text-align:right}
.compare-quote{
  margin-top:22px;padding:18px 20px;border-radius:14px;
  background:rgba(56,189,248,.07);
  border-left:3px solid var(--accent-2);
  font-size:14.3px;color:var(--soft);line-height:1.7;
}

/* ---------- Category matrix ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius);overflow:hidden;
  background:var(--surface);
  border:1px solid var(--border);
  transition:.28s;
}
.cat-card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 20px 40px -28px rgba(56,189,248,.9)}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cat-body{padding:22px;display:flex;flex-direction:column;flex:1}
.cat-body h3{font-size:16.5px}
.cat-body p{margin-top:10px;font-size:14.4px;color:var(--muted);line-height:1.7;flex:1}
.cat-link{
  margin-top:18px;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--accent-2);
  transition:gap .25s,color .25s;
}
.cat-link:hover{gap:13px;color:#e0f2fe}
.cat-card.current{border-color:var(--border-strong);box-shadow:0 0 0 1px rgba(56,189,248,.35) inset}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq details{
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq details[open]{border-color:var(--border-strong);background:rgba(15,32,64,.72)}
.faq summary{
  cursor:pointer;list-style:none;
  padding:18px 22px;
  font-weight:600;font-size:15.4px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:20px;font-weight:700;color:var(--accent-2);line-height:1}
.faq details[open] summary::after{content:'–'}
.faq summary:hover{color:#e0f2fe}
.faq .faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.75}

/* ---------- CTA / form ---------- */
.cta-band{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;
  padding:42px;border-radius:var(--radius-lg);
  background:linear-gradient(140deg,rgba(29,78,216,.34),rgba(8,18,41,.82));
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(21px,2.7vw,30px);line-height:1.26;letter-spacing:-.02em}
.cta-band > div > p{margin-top:14px;font-size:15.2px;color:var(--soft);line-height:1.72}
.cta-list{display:grid;gap:11px;margin-top:22px}
.cta-list li{font-size:14.4px;color:#cbd5e1;display:flex;gap:10px;align-items:flex-start}
.cta-list li::before{content:'▹';color:var(--accent-2);font-weight:800}
.form-card{
  padding:26px;border-radius:var(--radius);
  background:rgba(3,7,18,.66);
  border:1px solid var(--border);
  backdrop-filter:blur(14px);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--soft)}
.field input,.field select{
  background:rgba(3,7,18,.8);
  border:1px solid var(--border);
  border-radius:12px;
  padding:13px 14px;
  font-size:14.8px;
  color:var(--text);
  transition:.22s;
  width:100%;
}
.field input::placeholder{color:#64748b}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--accent-2);
  box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.form-card .btn-solid{width:100%;margin-top:20px;padding:14px 20px;font-size:15px;border-radius:13px}
.form-note{margin-top:14px;font-size:12.6px;color:var(--muted);line-height:1.6}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:80;
  display:inline-flex;align-items:center;gap:10px;
  height:56px;padding:0 20px 0 14px;
  border-radius:999px;
  background:rgba(8,18,41,.82);
  border:1px solid rgba(56,189,248,.6);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  color:#e0f2fe;font-size:13.5px;font-weight:700;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.8;
  transition:.3s;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.05);box-shadow:0 0 32px rgba(56,189,248,.72)}
.fab:active{transform:scale(.96)}
.fab:focus-visible{outline:2px solid #fff;outline-offset:3px}
.fab-dot{
  width:9px;height:9px;border-radius:50%;
  background:#22d3ee;box-shadow:0 0 12px #22d3ee;
  animation:dotPulse 1.6s ease-in-out infinite;flex:none;
}
.fab-badge{
  position:absolute;top:-3px;right:-3px;
  min-width:18px;height:18px;padding:0 5px;border-radius:999px;
  background:#e11d48;color:#fff;font-size:10.5px;font-weight:800;
  display:grid;place-items:center;
  box-shadow:0 0 12px rgba(225,29,72,.8);
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(56,189,248,.4)}
  50%{box-shadow:0 0 30px rgba(56,189,248,.75)}
}
@keyframes dotPulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.5;transform:scale(.8)}
}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:20px;
  padding:64px 0 30px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(8,18,41,.86));
  border-top:1px solid rgba(56,189,248,.14);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:15px;font-weight:800}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:17px}
.footer-about{margin-top:16px;font-size:13.9px;color:var(--muted);line-height:1.75}
.site-footer h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#bfdbfe;margin-bottom:16px}
.site-footer ul{display:grid;gap:11px}
.site-footer li{font-size:13.9px;color:var(--muted);line-height:1.6}
.site-footer li a{color:var(--muted);transition:.22s}
.site-footer li a:hover{color:var(--accent-2)}
.site-footer li a:focus-visible{outline:2px solid var(--accent-2);outline-offset:2px;border-radius:4px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(148,163,184,.16);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:12.8px;color:#7f8ea3;
}
.footer-legal{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.age-badge{
  font-size:11px;font-weight:800;letter-spacing:.06em;
  padding:3px 9px;border-radius:7px;
  background:rgba(225,29,72,.16);color:#fda4af;
  border:1px solid rgba(225,29,72,.45);
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .hero{padding:126px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px}
  .tl-item::before{display:none}
  .split{grid-template-columns:1fr;gap:30px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;gap:30px;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .grid-2,.grid-3,.cat-grid,.compare{grid-template-columns:1fr}
  .channel-row{grid-template-columns:1fr;gap:8px}
  .channel-row.head{display:none}
  .channel-row > div{display:flex;justify-content:space-between;gap:14px;align-items:center}
  .cl{display:block}
  .timeline{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .btn-ghost,.btn-solid{padding:9px 13px;font-size:13px}
  .brand-text b{font-size:12.5px}
  .brand-text span{font-size:10px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero{padding:112px 0 54px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta a{width:100%;text-align:center}
  .grid-4,.steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .card,.step,.hero-panel,.form-card{padding:20px}
  .cta-band{padding:22px}
  .fab{left:12px;bottom:22px;height:52px;padding:0 16px 0 12px;font-size:12.5px}
}