/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-elev:#0B1730;
  --panel:rgba(12,22,44,.72);
  --panel-solid:#0C162C;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FBBF24;
  --green:#34D399;
  --red:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px -22px rgba(2,8,23,.95);
  --glow:0 10px 40px -14px rgba(37,99,235,.65);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.05) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.015em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
::selection{background:rgba(56,189,248,.35)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;position:relative;z-index:2}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease;
  white-space:nowrap;line-height:1.2;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);
  color:#04121F;font-weight:700;
  box-shadow:0 8px 26px -12px rgba(56,189,248,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(56,189,248,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(56,189,248,.06);
  border-color:var(--line-strong);
  color:var(--cyan);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#BAE6FD}
.btn-glow{position:relative}
.btn-glow::after{
  content:"";position:absolute;inset:-2px;border-radius:999px;
  background:linear-gradient(120deg,rgba(56,189,248,.5),rgba(37,99,235,.5));
  filter:blur(14px);opacity:.55;z-index:-1;transition:opacity .25s;
}
.btn-glow:hover::after{opacity:.9}
.btn-lg{padding:16px 34px;font-size:16px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(3,7,18,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-color:rgba(56,189,248,.24)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-weight:800;font-size:19px;color:#04121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 8px 22px -10px rgba(56,189,248,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s;position:relative;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.08)}
.nav-link.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#38BDF8,#2563EB);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-actions .btn{padding:10px 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line-strong);color:var(--cyan);
  background:rgba(56,189,248,.07);
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  padding:152px 0 96px;
  background:radial-gradient(120% 90% at 12% 0%,#0A1B3A 0%,#030712 62%);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url(/assets/images/193ea1f4c1a6d5f0.jpg);
  background-size:cover;background-position:center;
  opacity:.32;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(3,7,18,.94) 0%,rgba(3,7,18,.72) 46%,rgba(3,7,18,.42) 100%);
}
.hero-slash{
  position:absolute;z-index:1;
  top:-18%;left:-16%;width:74%;height:150%;
  background:linear-gradient(140deg,rgba(37,99,235,.55) 0%,rgba(56,189,248,.16) 55%,rgba(56,189,248,0) 100%);
  clip-path:polygon(0 0,100% 0,72% 100%,0 100%);
  pointer-events:none;
}
.hero-slash-2{
  left:auto;right:-24%;top:-10%;width:46%;height:130%;
  background:linear-gradient(220deg,rgba(56,189,248,.22),rgba(37,99,235,0) 70%);
  clip-path:polygon(28% 0,100% 0,100% 100%,0 100%);
  opacity:.85;
}
.hero-inner{position:relative;z-index:3;max-width:840px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);
  background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.28);
  padding:7px 15px;border-radius:999px;
  margin-bottom:22px;
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(52,211,153,.18);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.16;
  margin-bottom:22px;
  background:linear-gradient(100deg,#FFFFFF 22%,#BAE6FD 62%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  text-shadow:0 22px 60px rgba(37,99,235,.25);
}
.hero-lead{
  font-size:17px;color:#CBD5E1;max-width:720px;margin-bottom:34px;line-height:1.72;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-bottom:40px}
.hero-points{
  display:flex;flex-wrap:wrap;gap:12px 26px;
  padding-top:24px;border-top:1px solid rgba(56,189,248,.16);
}
.hero-points li{
  display:flex;align-items:center;gap:9px;font-size:14px;color:#CBD5E1;font-weight:500;
}
.hero-points i{color:var(--cyan);font-size:13px}

/* ============ SECTIONS ============ */
.section{padding:86px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,0) 0%,rgba(8,18,41,.85) 22%,rgba(8,18,41,.85) 78%,rgba(8,18,41,0) 100%)}
.section-head{max-width:780px;margin-bottom:44px;text-align:left}
.section-head .eyebrow{margin-bottom:16px}
.section-head h2{
  font-size:clamp(24px,3vw,36px);margin-bottom:16px;
}
.section-head p{color:var(--muted);font-size:16px;line-height:1.7}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ STATS BAR ============ */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(56,189,248,.16);
  border:1px solid rgba(56,189,248,.2);
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-top:-58px;position:relative;z-index:6;
  box-shadow:var(--shadow);
}
.stat{
  background:linear-gradient(180deg,rgba(10,20,42,.96),rgba(6,13,30,.96));
  padding:30px 22px;
}
.stat .num{
  font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#38BDF8,#60A5FA);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  display:block;margin-bottom:6px;
}
.stat .lbl{font-size:13.5px;color:var(--muted);line-height:1.5}

/* ============ FEATURE CARDS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

.glass-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  position:relative;overflow:hidden;
}
.glass-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(56,189,248,.55),transparent);
  opacity:0;transition:opacity .28s;
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.glass-card:hover::before{opacity:1}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(56,189,248,.2),rgba(37,99,235,.1));
  border:1px solid rgba(56,189,248,.28);
  color:var(--cyan);font-size:19px;margin-bottom:18px;
}
.glass-card h3{font-size:17.5px;margin-bottom:10px}
.glass-card p{color:var(--muted);font-size:14.5px;line-height:1.68}

/* ============ GAME HALL ============ */
.hall-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:start}
.hall-item{
  display:grid;grid-template-columns:150px 1fr;gap:20px;align-items:center;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:border-color .28s,transform .28s,box-shadow .28s;
  margin-bottom:18px;
}
.hall-item:last-child{margin-bottom:0}
.hall-item:hover{border-color:var(--line-strong);transform:translateX(4px);box-shadow:var(--glow)}
.hall-item img{
  width:150px;height:110px;object-fit:cover;border-radius:var(--radius-sm);
  border:1px solid rgba(56,189,248,.22);
}
.hall-item h3{font-size:17px;margin-bottom:8px;color:#E2E8F0}
.hall-item p{font-size:14px;color:var(--muted);line-height:1.65}
.hall-badge{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#04121F;background:linear-gradient(120deg,#38BDF8,#2563EB);
  padding:4px 10px;border-radius:999px;margin-bottom:10px;
}
.hall-side{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  position:sticky;top:96px;
}
.hall-side h3{font-size:18px;margin-bottom:16px}
.tick-list li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:14.5px;color:#CBD5E1;padding:11px 0;
  border-bottom:1px dashed rgba(56,189,248,.14);
}
.tick-list li:last-child{border-bottom:0}
.tick-list i{color:var(--cyan);margin-top:4px;font-size:13px;flex-shrink:0}

/* ============ SCENARIO MATRIX ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  background:linear-gradient(160deg,rgba(12,22,44,.85),rgba(6,13,30,.6));
  transition:border-color .28s,transform .28s;
}
.scene:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.scene-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.scene-top i{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.24);
  color:var(--cyan);font-size:16px;flex-shrink:0;
}
.scene-top h3{font-size:16.5px}
.scene p{color:var(--muted);font-size:14.5px;line-height:1.68}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;padding:26px 22px 24px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(9,17,35,.7);
  transition:border-color .28s,transform .28s;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;
  color:transparent;
  background:linear-gradient(120deg,#38BDF8,#2563EB);
  -webkit-background-clip:text;background-clip:text;
  margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:9px}
.step p{color:var(--muted);font-size:14px;line-height:1.66}

/* ============ BEFORE / AFTER ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line)}
.compare-col{padding:30px 26px}
.compare-col.before{background:rgba(10,16,32,.85);border-right:1px solid var(--line)}
.compare-col.after{background:linear-gradient(160deg,rgba(37,99,235,.2),rgba(56,189,248,.06))}
.compare-col h3{
  font-size:15px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:18px;
  display:flex;align-items:center;gap:9px;
}
.compare-col.before h3{color:#94A3B8}
.compare-col.after h3{color:var(--cyan)}
.compare-col li{
  display:flex;gap:11px;align-items:flex-start;font-size:14.5px;
  padding:10px 0;color:#CBD5E1;border-bottom:1px dashed rgba(148,163,184,.14);line-height:1.6;
}
.compare-col li:last-child{border-bottom:0}
.compare-col.before li i{color:#64748B;margin-top:5px;font-size:12px}
.compare-col.after li i{color:var(--green);margin-top:5px;font-size:13px}

/* ============ SHOWCASE ============ */
.showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.shot{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(9,17,35,.7);
  transition:border-color .28s,transform .28s,box-shadow .28s;
}
.shot:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.shot img{width:100%;height:260px;object-fit:cover}
.shot-body{padding:22px 24px}
.shot-body h3{font-size:17px;margin-bottom:9px}
.shot-body p{color:var(--muted);font-size:14.5px;line-height:1.66}

/* ============ TESTIMONIALS ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:border-color .28s,transform .28s;
}
.quote:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.quote .stars{color:var(--gold);font-size:13px;letter-spacing:2px;margin-bottom:14px}
.quote p{font-size:14.5px;color:#CBD5E1;line-height:1.7;margin-bottom:18px}
.quote-author{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid rgba(56,189,248,.14)}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-weight:700;font-size:15px;color:#04121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
}
.quote-author strong{display:block;font-size:14px}
.quote-author span{font-size:12.5px;color:var(--dim)}

/* ============ TIERS ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.tier{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;background:rgba(9,17,35,.72);
  display:flex;flex-direction:column;
  transition:border-color .28s,transform .28s,box-shadow .28s;
}
.tier:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.tier.featured{
  background:linear-gradient(165deg,rgba(37,99,235,.24),rgba(8,18,41,.92));
  border-color:rgba(56,189,248,.42);
  box-shadow:0 0 0 1px rgba(56,189,248,.22),0 24px 60px -26px rgba(37,99,235,.8);
}
.tier-tag{
  align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;margin-bottom:16px;
  background:rgba(56,189,248,.14);color:var(--cyan);border:1px solid rgba(56,189,248,.3);
}
.tier h3{font-size:19px;margin-bottom:8px}
.tier .desc{font-size:14px;color:var(--muted);margin-bottom:20px;line-height:1.6}
.tier .value{
  font-size:30px;font-weight:800;letter-spacing:-.02em;margin-bottom:20px;
  background:linear-gradient(120deg,#38BDF8,#60A5FA);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.tier .value small{font-size:13px;font-weight:500;-webkit-text-fill-color:#94A3B8;display:block;letter-spacing:0}
.tier ul{margin-bottom:26px;flex:1}
.tier li{
  display:flex;gap:10px;font-size:14px;color:#CBD5E1;padding:8px 0;line-height:1.55;
}
.tier li i{color:var(--cyan);margin-top:5px;font-size:12px;flex-shrink:0}
.tier .btn{width:100%}

/* ============ NEWS ============ */
.news-layout{display:grid;grid-template-columns:1fr 320px;gap:26px;align-items:start}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.news-card{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(9,17,35,.7);
  transition:border-color .28s,transform .28s,box-shadow .28s;
  overflow:hidden;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.news-card-link{display:block;padding:24px 22px}
.news-tag{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.24);
  padding:4px 10px;border-radius:999px;margin-bottom:13px;
}
.news-card h3{font-size:16.5px;line-height:1.45;margin-bottom:10px;color:#E2E8F0}
.news-card:hover h3{color:#BAE6FD}
.news-card p{font-size:14px;color:var(--muted);line-height:1.66;margin-bottom:14px}
.news-date{font-size:12.5px;color:var(--dim)}
.news-side{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.side-title{
  font-size:15px;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);
  margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid rgba(56,189,248,.18);
}
.side-list li{padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.14)}
.side-list li:last-child{border-bottom:0}
.side-list a{display:block;font-size:14px;color:#CBD5E1;line-height:1.5;margin-bottom:5px;transition:color .22s}
.side-list a:hover{color:var(--cyan)}
.side-list span{font-size:12px;color:var(--dim)}
.empty-note{
  color:var(--muted);font-size:14.5px;padding:22px;
  border:1px dashed rgba(56,189,248,.24);border-radius:var(--radius);
  background:rgba(56,189,248,.04);
}

/* ============ DEVICE / DOWNLOAD ============ */
.device-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.device{
  display:flex;gap:16px;align-items:flex-start;
  padding:24px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(9,17,35,.7);
  transition:border-color .28s,transform .28s;
}
.device:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.device i{
  font-size:22px;color:var(--cyan);flex-shrink:0;width:44px;height:44px;
  display:grid;place-items:center;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.22);
}
.device h3{font-size:16px;margin-bottom:7px}
.device p{font-size:14px;color:var(--muted);line-height:1.62}

/* ============ SECURITY ============ */
.security-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(56,189,248,.24);
  background:linear-gradient(120deg,rgba(8,18,41,.95),rgba(6,13,30,.85));
  padding:42px 38px;
}
.security-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/5f5b8fe0423a050b.jpg);
  background-size:cover;background-position:center;
  opacity:.16;
}
.security-band > *{position:relative;z-index:2}
.security-head{max-width:660px;margin-bottom:30px}
.security-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.security-head p{color:var(--muted);font-size:15.5px;line-height:1.7}
.security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.security-item{display:flex;gap:13px;align-items:flex-start}
.security-item i{
  font-size:17px;color:var(--green);flex-shrink:0;margin-top:3px;
}
.security-item h3{font-size:15px;margin-bottom:6px}
.security-item p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(9,17,35,.72);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .28s,background .28s;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.open{background:linear-gradient(160deg,rgba(37,99,235,.14),rgba(9,17,35,.85));border-color:rgba(56,189,248,.34)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:20px 22px;text-align:left;font-size:15.5px;font-weight:600;color:#E2E8F0;
  transition:color .22s;
}
.faq-q:hover{color:var(--cyan)}
.faq-q i{color:var(--cyan);font-size:14px;transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease,padding .35s ease;
  padding:0 22px;
}
.faq-item.open .faq-a{max-height:340px;padding:0 22px 22px}
.faq-a p{font-size:14.5px;color:var(--muted);line-height:1.72}

/* ============ CTA FORM ============ */
.cta-section{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid rgba(56,189,248,.28);
  background:linear-gradient(130deg,rgba(37,99,235,.28),rgba(8,18,41,.96) 62%);
  padding:46px 40px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-section::before{
  content:"";position:absolute;top:-40%;right:-10%;width:52%;height:180%;
  background:radial-gradient(circle,rgba(56,189,248,.28),transparent 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{font-size:clamp(23px,2.8vw,32px);margin-bottom:16px}
.cta-copy p{color:#CBD5E1;font-size:15.5px;line-height:1.72;margin-bottom:22px}
.cta-marks{display:flex;flex-wrap:wrap;gap:10px}
.mark{
  font-size:12.5px;font-weight:600;color:var(--cyan);
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.26);
  padding:6px 13px;border-radius:999px;
}
.cta-form{
  position:relative;z-index:2;
  background:rgba(3,7,18,.6);border:1px solid rgba(56,189,248,.22);
  border-radius:var(--radius);padding:26px 24px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.cta-form h3{font-size:17px;margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;font-weight:500}
.field input,.field select{
  width:100%;padding:12px 15px;border-radius:12px;
  background:rgba(8,18,41,.9);border:1px solid rgba(56,189,248,.2);
  color:var(--text);font-size:14.5px;transition:border-color .24s,box-shadow .24s;
}
.field input::placeholder{color:#4B5A72}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-note{font-size:12.5px;color:var(--dim);margin-top:12px;line-height:1.55}
.form-alert{
  display:none;margin-top:14px;padding:12px 15px;border-radius:12px;
  background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.3);
  color:#A7F3D0;font-size:13.5px;
}
.form-alert.show{display:block}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;z-index:2;
  margin-top:20px;
  border-top:1px solid rgba(56,189,248,.16);
  background:linear-gradient(180deg,rgba(6,13,30,.6),rgba(3,7,18,1));
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;
  padding-bottom:40px;border-bottom:1px solid rgba(56,189,248,.12);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-text strong{font-size:15px}
.footer-about p{font-size:14px;color:var(--muted);line-height:1.7;max-width:340px}
.footer-col h4{
  font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);
  margin-bottom:16px;font-weight:700;
}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:color .22s}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{
  display:flex;gap:10px;font-size:14px;color:var(--muted);margin-bottom:11px;align-items:flex-start;line-height:1.55;
}
.footer-contact i{color:var(--cyan);margin-top:4px;font-size:13px;flex-shrink:0}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;
  padding-top:24px;
}
.footer-bottom p{font-size:13px;color:var(--dim)}
.age-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:700;color:#FCA5A5;
  border:1px solid rgba(244,63,94,.35);background:rgba(244,63,94,.08);
  padding:5px 12px;border-radius:999px;
}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal a{font-size:13px;color:var(--dim);transition:color .22s}
.footer-legal a:hover{color:var(--cyan)}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,12,25,.88),rgba(7,12,25,.88)),
                   linear-gradient(120deg,#38BDF8,#2563EB,#38BDF8);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#E2E8F0;font-size:13.5px;font-weight:600;
  box-shadow:0 0 22px rgba(56,189,248,.4);
  opacity:.8;transition:opacity .28s,transform .28s,box-shadow .28s;
  min-height:48px;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.65)}
.fab:active{transform:translateY(0) scale(.97)}
.fab i{color:var(--cyan);font-size:16px;animation:flicker 3.2s infinite}
@keyframes flicker{0%,92%,100%{opacity:1}94%{opacity:.35}96%{opacity:1}97%{opacity:.5}}
.fab .fab-dot{
  position:absolute;top:6px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 3px rgba(244,63,94,.22);
  animation:pulse 1.6s infinite;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .security-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hall-layout{grid-template-columns:1fr}
  .hall-side{position:static}
  .news-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-section{grid-template-columns:1fr;gap:30px;padding:40px 30px}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid rgba(56,189,248,.2);
    padding:14px 22px 20px;
    display:none;
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:13px 14px;font-size:15px}
  .nav-link.active::after{left:14px;right:auto;width:34px;bottom:7px}
  .nav-toggle{display:grid;place-items:center}
  .header-inner{gap:12px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .tier-grid{grid-template-columns:1fr}
  .device-strip{grid-template-columns:1fr}
  .stats-bar{grid-template-columns:repeat(2,1fr);margin-top:-40px}
  .compare{grid-template-columns:1fr}
  .compare-col.before{border-right:0;border-bottom:1px solid var(--line)}
  .showcase{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:60px 0}
  .hero{padding:126px 0 68px}
  .hero-lead{font-size:15.5px}
  .hero-cta .btn{width:100%}
  .btn{padding:12px 20px;font-size:14.5px}
  .header-actions .btn{padding:9px 13px;font-size:13px}
  .brand-text small{display:none}
  .brand-text strong{font-size:13.5px}
  .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
  .grid-2,.grid-3,.grid-4,.steps,.security-grid{grid-template-columns:1fr}
  .hall-item{grid-template-columns:1fr}
  .hall-item img{width:100%;height:170px}
  .stats-bar{margin-top:-24px}
  .stat{padding:22px 18px}
  .security-band{padding:30px 22px}
  .cta-section{padding:32px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .fab{bottom:84px;left:12px;padding:10px 14px;font-size:12.5px}
  .fab span{display:none}
  .fab{width:54px;height:54px;justify-content:center;border-radius:50%;padding:0}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-elev:#0B1730;
  --panel:rgba(12,22,44,.72);
  --panel-solid:#0C162C;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FBBF24;
  --green:#34D399;
  --red:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px -22px rgba(2,8,23,.95);
  --glow:0 10px 40px -14px rgba(37,99,235,.65);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.05) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;position:relative;z-index:2}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;line-height:1.2;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);
  color:#04121F;font-weight:700;
  box-shadow:0 8px 26px -12px rgba(56,189,248,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(56,189,248,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(56,189,248,.06);
  border-color:var(--line-strong);
  color:var(--cyan);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#BAE6FD}
.btn-glow{position:relative}
.btn-glow::after{
  content:"";position:absolute;inset:-2px;border-radius:999px;
  background:linear-gradient(120deg,rgba(56,189,248,.5),rgba(37,99,235,.5));
  filter:blur(14px);opacity:.55;z-index:-1;transition:opacity .25s;
}
.btn-glow:hover::after{opacity:.9}
.btn-lg{padding:16px 34px;font-size:16px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(3,7,18,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-color:rgba(56,189,248,.24)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-weight:800;font-size:19px;color:#04121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 8px 22px -10px rgba(56,189,248,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s;position:relative;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.08)}
.nav-link.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#38BDF8,#2563EB);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-actions .btn{padding:10px 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line-strong);color:var(--cyan);
  background:rgba(56,189,248,.07);
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}

/* ============ ARTICLE HERO ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:132px 0 0;
  background:radial-gradient(120% 90% at 12% 0%,#0A1B3A 0%,#030712 62%);
}
.article-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url(/assets/images/5f5b8fe0423a050b.jpg);
  background-size:cover;background-position:center;
  opacity:.30;
}
.article-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(3,7,18,.95) 0%,rgba(3,7,18,.78) 48%,rgba(3,7,18,.45) 100%);
}
.hero-slash{
  position:absolute;z-index:1;top:-18%;left:-16%;width:74%;height:150%;
  background:linear-gradient(140deg,rgba(37,99,235,.55) 0%,rgba(56,189,248,.16) 55%,rgba(56,189,248,0) 100%);
  clip-path:polygon(0 0,100% 0,72% 100%,0 100%);
  pointer-events:none;
}
.hero-slash-2{
  left:auto;right:-24%;top:-10%;width:46%;height:130%;
  background:linear-gradient(220deg,rgba(56,189,248,.22),rgba(37,99,235,0) 70%);
  clip-path:polygon(28% 0,100% 0,100% 100%,0 100%);
  opacity:.85;
}
.article-hero-inner{position:relative;z-index:3;max-width:880px;padding-bottom:56px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);transition:color .2s}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb i{font-size:10px;color:var(--dim)}
.breadcrumb .current{color:var(--holo)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.28);
  padding:7px 15px;border-radius:999px;margin-bottom:20px;
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(52,211,153,.18);animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 3px rgba(52,211,153,.2)}
  50%{box-shadow:0 0 0 8px rgba(52,211,153,0)}
}
.article-hero h1{
  font-size:clamp(27px,3.9vw,46px);
  line-height:1.2;margin:0 0 20px;
  background:linear-gradient(100deg,#FFFFFF 22%,#BAE6FD 62%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.article-hero .lead{
  font-size:17px;color:#CBD5E1;line-height:1.7;max-width:760px;margin:0 0 26px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:13.5px;color:var(--muted);margin-bottom:28px;
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{color:var(--cyan)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}

/* ============ STATS STRIP ============ */
.stats-strip{
  position:relative;z-index:4;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:-34px;
}
.stat-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:20px 22px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.stat-card .stat-value{
  font-size:24px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(100deg,#FFFFFF,#38BDF8);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.stat-card .stat-label{font-size:13px;color:var(--muted);margin-top:4px}

/* ============ SECTION BASE ============ */
.section{padding:72px 0;position:relative;z-index:2}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,0) 0%,rgba(8,18,41,.75) 40%,rgba(8,18,41,0) 100%)}
.section-head{margin-bottom:34px;max-width:820px}
.section-tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(22px,2.7vw,32px);line-height:1.28;margin:0 0 12px;color:#fff;letter-spacing:-.02em;
}
.section-head p{margin:0;color:var(--muted);font-size:15.5px}

/* ============ ARTICLE LAYOUT ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:38px;align-items:start;
}
.article-main{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px 36px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.highlight-box{
  border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.18),rgba(56,189,248,.06));
  border-radius:var(--radius);
  padding:22px 24px;
  margin-bottom:32px;
}
.highlight-box h3{
  margin:0 0 14px;font-size:15px;font-weight:700;color:#fff;
  display:flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.08em;
}
.highlight-box h3 i{color:var(--gold)}
.highlight-box ul{margin:0;padding-left:0;list-style:none}
.highlight-box li{
  position:relative;padding-left:26px;margin:9px 0;font-size:15px;color:#CBD5E1;line-height:1.6;
}
.highlight-box li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;color:var(--green);font-size:12px;
}
.article-content{font-size:16.5px;color:#CBD5E1;line-height:1.75}
.article-content > * + *{margin-top:18px}
.article-content p{margin:0}
.article-content h2{
  font-size:clamp(20px,2.3vw,26px);color:#fff;line-height:1.35;
  margin:38px 0 0;padding-left:16px;border-left:3px solid var(--cyan);letter-spacing:-.01em;
}
.article-content h3{font-size:19px;color:#E2E8F0;margin:28px 0 0;line-height:1.4}
.article-content h4{font-size:17px;color:#E2E8F0;margin:22px 0 0}
.article-content ul,.article-content ol{padding-left:22px;margin:0}
.article-content li{margin:8px 0}
.article-content li::marker{color:var(--cyan)}
.article-content strong{color:#fff;font-weight:700}
.article-content em{color:#BAE6FD}
.article-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:#BAE6FD}
.article-content img{border-radius:var(--radius);margin:26px 0;box-shadow:var(--shadow)}
.article-content blockquote{
  margin:26px 0;padding:18px 22px;color:#BAE6FD;font-style:normal;
  background:rgba(56,189,248,.07);border-left:3px solid var(--cyan);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-content th{background:rgba(56,189,248,.08);color:#fff;font-weight:600}
.article-content hr{border:0;height:1px;background:var(--line);margin:30px 0}

/* ============ SIDEBAR ============ */
.article-aside{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.aside-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 22px 24px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.aside-card h3{
  margin:0 0 16px;font-size:13px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:var(--cyan);
}
.fact-list{list-style:none;margin:0;padding:0}
.fact-list li{
  display:flex;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.14);font-size:14px;
}
.fact-list li:last-child{border-bottom:0;padding-bottom:0}
.fact-list .k{color:var(--muted)}
.fact-list .v{color:#fff;font-weight:600;text-align:right}
.aside-cta{
  border:1px solid var(--line-strong);
  background:linear-gradient(150deg,rgba(37,99,235,.24),rgba(56,189,248,.06));
}
.aside-cta p{margin:0 0 16px;font-size:14px;color:#CBD5E1;line-height:1.6}
.aside-cta .btn{width:100%}
.aside-cover{
  border-radius:var(--radius);
  overflow:hidden;border:1px solid var(--line);
}
.aside-cover img{width:100%;height:auto}
.aside-cover figcaption{
  padding:12px 14px;font-size:12.5px;color:var(--muted);
  background:var(--panel-solid);border-top:1px solid var(--line);
}

/* ============ BENEFITS ============ */
.benefit-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.benefit-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  box-shadow:var(--shadow);
}
.benefit-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.benefit-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-size:19px;color:#04121F;margin-bottom:18px;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 10px 24px -12px rgba(56,189,248,.9);
}
.benefit-card h3{margin:0 0 10px;font-size:17px;color:#fff;line-height:1.4}
.benefit-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.65}

/* ============ RATE TABLE ============ */
.rate-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--panel);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.rate-table{width:100%;border-collapse:collapse;font-size:15px}
.rate-table thead th{
  background:rgba(37,99,235,.20);
  color:#fff;font-weight:700;font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  padding:16px 20px;text-align:left;
}
.rate-table tbody td{
  padding:16px 20px;border-top:1px solid var(--line);color:#CBD5E1;vertical-align:middle;
}
.rate-table tbody tr{transition:background .22s}
.rate-table tbody tr:hover{background:rgba(56,189,248,.05)}
.rate-table .channel{color:#fff;font-weight:600;display:flex;align-items:center;gap:10px}
.rate-table .channel i{color:var(--cyan)}
.rate-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
  color:#04121F;background:linear-gradient(120deg,#38BDF8,#60A5FA);
}
.rate-badge.green{background:linear-gradient(120deg,#34D399,#6EE7B7)}
.rate-note{
  margin:16px 0 0;font-size:13.5px;color:var(--dim);
}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;
  background:linear-gradient(160deg,rgba(12,22,44,.9),rgba(8,18,41,.6));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 26px 26px;
  box-shadow:var(--shadow);
  transition:border-color .3s ease,transform .3s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:34px;font-weight:800;line-height:1;
  background:linear-gradient(120deg,#38BDF8,#2563EB);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  display:block;margin-bottom:16px;
}
.step h3{margin:0 0 10px;font-size:17.5px;color:#fff}
.step p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.68}

/* ============ PAYMENT CHANNELS ============ */
.pay-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.pay-item{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  padding:22px 12px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--panel);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.pay-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.pay-item i{font-size:22px;color:var(--cyan)}
.pay-item span{font-size:13.5px;font-weight:600;color:#E2E8F0;text-align:center}
.pay-item small{font-size:12px;color:var(--dim);text-align:center}

/* ============ TRUST ROW ============ */
.trust-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding:30px;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(12,22,44,.85),rgba(8,18,41,.5));
}
.trust-item{display:flex;gap:14px;align-items:flex-start}
.trust-item i{
  width:40px;height:40px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;
  font-size:16px;color:var(--cyan);
  background:rgba(56,189,248,.1);border:1px solid var(--line-strong);
}
.trust-item h4{margin:0 0 5px;font-size:15px;color:#fff}
.trust-item p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--panel);
  overflow:hidden;
  transition:border-color .28s ease,background .28s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(12,22,44,.9)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:19px 56px 19px 22px;position:relative;
  font-size:16px;font-weight:600;color:#E2E8F0;line-height:1.5;
  transition:color .22s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--cyan)}
.faq-item summary::after{
  content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--cyan);font-size:14px;transition:transform .28s ease;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.72}
.faq-body p{margin:0}

/* ============ RELATED ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{
  display:flex;flex-direction:column;gap:12px;
  padding:26px 24px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(12,22,44,.9),rgba(8,18,41,.55));
  box-shadow:var(--shadow);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.related-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.related-card .rel-tag{
  font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);
}
.related-card h3{margin:0;font-size:17px;line-height:1.42;color:#fff}
.related-card p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.65}
.related-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--cyan);
}
.related-card:hover .related-more i{transform:translateX(4px)}
.related-more i{transition:transform .28s ease;font-size:12px}

/* ============ CTA ============ */
.cta-section{padding:20px 0 90px}
.cta-box{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.30),rgba(8,18,41,.92) 55%,rgba(56,189,248,.16));
  padding:44px 46px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-box::after{
  content:"";position:absolute;right:-90px;top:-70px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.35),rgba(56,189,248,0) 70%);
  pointer-events:none;
}
.cta-box h2{
  margin:0 0 14px;font-size:clamp(22px,2.6vw,30px);line-height:1.3;color:#fff;letter-spacing:-.02em;
}
.cta-box p{margin:0;color:#CBD5E1;font-size:15.5px;line-height:1.7}
.cta-form{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.cta-form input{
  width:100%;padding:15px 18px;border-radius:14px;
  background:rgba(3,7,18,.7);
  border:1px solid var(--line-strong);
  color:#fff;font-size:15px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.cta-form input::placeholder{color:var(--dim)}
.cta-form input:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 4px rgba(56,189,248,.16);
}
.cta-form .btn{width:100%}
.cta-note{font-size:12.5px;color:var(--dim);text-align:center}

/* ============ NOT FOUND ============ */
.notfound{
  padding:38px 30px;border-radius:var(--radius);
  border:1px dashed var(--line-strong);
  background:rgba(56,189,248,.05);text-align:center;
}
.notfound i{font-size:34px;color:var(--cyan);margin-bottom:16px}
.notfound h3{margin:0 0 10px;font-size:20px;color:#fff}
.notfound p{margin:0 0 20px;color:var(--muted);font-size:15px}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),
    linear-gradient(120deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  font-size:13.5px;font-weight:700;color:#E2E8F0;
  transition:transform .28s ease,box-shadow .28s ease,opacity .28s ease;
  opacity:.82;animation:fabFloat 3.4s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.fab i{color:var(--cyan);font-size:16px}
.fab:hover{opacity:1;transform:scale(1.05);box-shadow:0 0 30px rgba(6,182,212,.75);animation-play-state:paused}
.fab:active{transform:scale(.95) translateY(2px)}
.fab-dot{
  position:absolute;top:6px;right:8px;width:9px;height:9px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 3px rgba(244,63,94,.25);
  animation:pulse 1.6s infinite;
}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;z-index:2;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.5),rgba(3,7,18,.98));
  padding:64px 0 30px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:34px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.72;max-width:400px}
.footer-col h4{
  margin:0 0 16px;font-size:13px;font-weight:700;letter-spacing:.12em;
  text-transform:uppercase;color:#fff;
}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin:0 0 11px}
.footer-col a{font-size:14.5px;color:var(--muted);transition:color .22s}
.footer-col a:hover{color:var(--cyan)}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--muted);line-height:1.6;
}
.footer-contact i{color:var(--cyan);margin-top:4px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--dim)}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal a{font-size:13px;color:var(--muted);transition:color .22s}
.footer-legal a:hover{color:var(--cyan)}
.age-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--gold);
  padding:6px 13px;border-radius:999px;
  border:1px solid rgba(251,191,36,.3);
  background:rgba(251,191,36,.07);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .article-aside > *{flex:1 1 300px}
  .benefit-grid{grid-template-columns:repeat(2,1fr)}
  .pay-grid{grid-template-columns:repeat(3,1fr)}
  .trust-row{grid-template-columns:repeat(2,1fr)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-box{grid-template-columns:1fr;padding:36px 32px}
}
@media (max-width:860px){
  .main-nav{
    position:fixed;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px 22px 22px;margin:0;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line-strong);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:opacity .26s ease,transform .26s ease,visibility .26s;
    max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-link{padding:13px 14px;font-size:15px}
  .nav-link.active::after{display:none}
  .nav-toggle{display:grid;place-items:center}
  .header-actions .btn-ghost{display:none}
  .header-actions .btn-primary{padding:9px 15px;font-size:13.5px}
  .article-hero{padding-top:112px}
  .article-main{padding:26px 22px}
  .stats-strip{grid-template-columns:repeat(2,1fr);margin-top:-24px}
  .section{padding:56px 0}
  .steps{grid-template-columns:1fr}
  .rate-table thead{display:none}
  .rate-table,.rate-table tbody,.rate-table tr,.rate-table td{display:block;width:100%}
  .rate-table tbody tr{
    border-top:1px solid var(--line);padding:14px 18px;
  }
  .rate-table tbody td{border:0;padding:7px 0;display:flex;justify-content:space-between;gap:14px}
  .rate-table tbody td::before{
    content:attr(data-label);color:var(--dim);font-size:13px;font-weight:600;flex-shrink:0;
  }
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text small{display:none}
  .brand-text strong{font-size:13.5px}
  .header-inner{gap:12px;height:68px}
  .main-nav{top:68px}
  .article-hero{padding-top:100px}
  .hero-meta{gap:8px 16px;font-size:12.5px}
  .hero-cta .btn{width:100%}
  .stats-strip{grid-template-columns:1fr;margin-top:-18px}
  .benefit-grid{grid-template-columns:1fr}
  .pay-grid{grid-template-columns:repeat(2,1fr)}
  .trust-row{grid-template-columns:1fr;padding:22px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-main{padding:22px 18px;border-radius:var(--radius)}
  .cta-box{padding:28px 22px}
  .fab{bottom:84px;padding:11px 15px;font-size:12.5px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-elev:#0B1730;
  --panel:rgba(12,22,44,.72);
  --panel-solid:#0C162C;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FBBF24;
  --green:#34D399;
  --red:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px -22px rgba(2,8,23,.95);
  --glow:0 10px 40px -14px rgba(37,99,235,.65);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.05) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:700;letter-spacing:-.015em}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;position:relative;z-index:2}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;line-height:1.2;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);
  color:#04121F;font-weight:700;
  box-shadow:0 8px 26px -12px rgba(56,189,248,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(56,189,248,.95)}
.btn-primary:active{transform:translateY(0) scale(.99)}
.btn-ghost{
  background:rgba(56,189,248,.06);
  border-color:var(--line-strong);
  color:var(--cyan);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#BAE6FD}
.btn-outline{
  background:transparent;border-color:rgba(148,163,184,.35);color:var(--text);
}
.btn-outline:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-glow{position:relative;isolation:isolate}
.btn-glow::after{
  content:"";position:absolute;inset:-2px;border-radius:999px;z-index:-1;
  background:linear-gradient(120deg,rgba(56,189,248,.5),rgba(37,99,235,.5));
  filter:blur(14px);opacity:.55;transition:opacity .25s;
}
.btn-glow:hover::after{opacity:.95}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-block{width:100%}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(3,7,18,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-color:rgba(56,189,248,.24)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-weight:800;font-size:19px;color:#04121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 8px 22px -10px rgba(56,189,248,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s;position:relative;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.08)}
.nav-link.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#38BDF8,#2563EB);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-actions .btn{padding:10px 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line-strong);color:var(--cyan);
  background:rgba(56,189,248,.07);
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}

/* ============ SECTION BASE ============ */
.section{padding:86px 0;position:relative;z-index:2}
.section-tight{padding:64px 0}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,0) 0%,rgba(8,18,41,.72) 32%,rgba(8,18,41,.72) 68%,rgba(8,18,41,0) 100%)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:linear-gradient(90deg,#38BDF8,rgba(56,189,248,0))}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.7}
.text-cyan{color:var(--cyan)}
.text-gold{color:var(--gold)}

/* ============ HERO (CATEGORY) ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:142px 0 84px;
  background:radial-gradient(115% 90% at 8% 0%,#0A1B3A 0%,#030712 64%);
}
.cat-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url(/assets/images/a52ff14a8ca88a02.jpg);
  background-size:cover;background-position:center right;
  opacity:.26;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(3,7,18,.95) 0%,rgba(3,7,18,.78) 48%,rgba(3,7,18,.5) 100%);
}
.cat-hero-grid{
  position:relative;z-index:3;
  display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;
}
.crumb{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--dim);margin-bottom:20px}
.crumb a:hover{color:var(--cyan)}
.crumb i{font-size:9px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);
  background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.28);
  padding:7px 15px;border-radius:999px;
  margin-bottom:20px;
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(52,211,153,.18);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.cat-hero h1{
  font-size:clamp(29px,4.2vw,50px);
  line-height:1.14;
  margin-bottom:20px;
  background:linear-gradient(100deg,#FFFFFF 20%,#BAE6FD 60%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.cat-hero .lead{color:#CBD5E1;font-size:16.5px;line-height:1.72;max-width:640px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:#CBD5E1;
  background:rgba(12,22,44,.7);
  border:1px solid var(--line);
  padding:8px 14px;border-radius:999px;
}
.tag i{color:var(--cyan);font-size:12px}
.hero-panel{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(160deg,rgba(12,22,44,.92),rgba(6,12,28,.86));
  box-shadow:var(--shadow),var(--glow);
  padding:16px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hero-panel::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);pointer-events:none;
  background:linear-gradient(160deg,rgba(56,189,248,.16),transparent 46%);
}
.hero-shot{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid rgba(56,189,248,.22);
  aspect-ratio:16/10;
}
.hero-shot img{width:100%;height:100%;object-fit:cover}
.hero-shot::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.05) 0%,rgba(3,7,18,.72) 100%);
}
.hero-shot-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:#04121F;background:linear-gradient(120deg,#38BDF8,#2563EB);
  padding:7px 13px;border-radius:999px;
}
.panel-stat{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 6px;
  border-bottom:1px dashed rgba(56,189,248,.2);
}
.panel-stat:last-child{border-bottom:0}
.panel-stat .p-label{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:13.5px}
.panel-stat .p-label i{color:var(--cyan);width:18px;text-align:center}
.panel-stat .p-val{font-weight:700;font-size:15px;color:#E2E8F0;white-space:nowrap}

/* ============ METRIC STRIP ============ */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.metric-card{
  background:linear-gradient(165deg,rgba(12,22,44,.86),rgba(6,12,28,.72));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 22px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.metric-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.metric-card .m-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);color:var(--cyan);font-size:17px;margin-bottom:16px;
}
.metric-card .m-num{
  font-size:30px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#FFFFFF,#38BDF8);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  margin-bottom:6px;
}
.metric-card .m-label{color:var(--muted);font-size:14px;line-height:1.6}

/* ============ FEATURE MATRIX ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 48px -26px rgba(37,99,235,.9)}
.feature-card h3{font-size:17.5px;margin-bottom:10px}
.feature-card p{color:var(--muted);font-size:14.5px;line-height:1.68}
.feature-card .f-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(56,189,248,.18),rgba(37,99,235,.14));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:18px;margin-bottom:16px;
}
.feature-lead{
  grid-column:span 2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:0;
  padding:0;overflow:hidden;
}
.feature-lead .fl-body{padding:30px 28px}
.feature-lead h3{font-size:21px;margin-bottom:12px}
.feature-lead .fl-media{position:relative;min-height:230px;border-left:1px solid var(--line)}
.feature-lead .fl-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-lead .fl-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,12,28,.85),rgba(6,12,28,.15));
}
.mini-list{display:grid;gap:10px;margin-top:16px}
.mini-list li{display:flex;gap:10px;color:#CBD5E1;font-size:14px;line-height:1.6}
.mini-list i{color:var(--green);margin-top:4px;font-size:13px}

/* ============ DEVICE SPLIT ============ */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
.split-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(3,7,18,.1),rgba(3,7,18,.8));
}
.device-list{display:grid;gap:14px;margin-top:26px}
.device-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(12,22,44,.6);border:1px solid var(--line);
  transition:border-color .25s,background .25s,transform .25s;
}
.device-item:hover{border-color:var(--line-strong);background:rgba(12,22,44,.86);transform:translateX(4px)}
.device-item .d-ico{
  width:40px;height:40px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);color:var(--cyan);font-size:16px;
}
.device-item strong{display:block;font-size:15px;margin-bottom:4px}
.device-item span{color:var(--muted);font-size:13.5px;line-height:1.6}

/* ============ STEPS ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step-card{
  position:relative;
  background:linear-gradient(170deg,rgba(12,22,44,.9),rgba(6,12,28,.66));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px 22px 26px;
  transition:transform .25s,border-color .25s;
}
.step-card:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.step-card .s-num{
  position:absolute;top:-16px;left:22px;
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:#04121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 10px 26px -12px rgba(56,189,248,.9);
}
.step-card h3{font-size:16.5px;margin:14px 0 9px}
.step-card p{color:var(--muted);font-size:14px;line-height:1.66}

/* ============ COMPARE TABLE ============ */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(8,18,41,.55);
}
table.compare{width:100%;border-collapse:collapse;min-width:640px}
table.compare th,table.compare td{
  padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid rgba(56,189,248,.1);
}
table.compare thead th{
  background:rgba(12,22,44,.9);font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);
}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:rgba(56,189,248,.05)}
table.compare td:first-child{color:#CBD5E1;font-weight:600}
.col-good{color:var(--green)}
.col-bad{color:#FB7185}
.table-scroll{overflow-x:auto}

/* ============ SECURITY ============ */
.sec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.sec-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px 22px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:rgba(12,22,44,.58);
  transition:border-color .25s,background .25s;
}
.sec-item:hover{border-color:var(--line-strong);background:rgba(12,22,44,.85)}
.sec-item i{color:var(--cyan);font-size:17px;margin-top:3px}
.sec-item strong{display:block;font-size:15px;margin-bottom:5px}
.sec-item p{color:var(--muted);font-size:13.8px;line-height:1.65}
.pay-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.pay-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px;border-radius:999px;
  background:rgba(12,22,44,.85);border:1px solid var(--line-strong);
  font-size:13.5px;font-weight:600;color:#DBEAFE;
  transition:transform .22s,border-color .22s,color .22s;
}
.pay-badge:hover{transform:translateY(-3px);border-color:var(--cyan);color:#fff}
.pay-badge i{color:var(--gold)}

/* ============ QUICK ANSWER ============ */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qa-card{
  padding:24px 22px;border-radius:var(--radius);
  background:rgba(8,18,41,.6);border:1px solid var(--line);
  border-left:3px solid var(--cyan);
}
.qa-card strong{display:block;font-size:15px;margin-bottom:9px}
.qa-card p{color:var(--muted);font-size:14px;line-height:1.68}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(12,22,44,.55);
  transition:border-color .25s,background .25s;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(12,22,44,.82)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 22px;font-size:15.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--cyan);transition:transform .25s;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.72}

/* ============ CTA / FORM ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(150deg,rgba(12,22,44,.96),rgba(5,10,24,.92));
  box-shadow:var(--shadow),var(--glow);
  padding:46px 44px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;top:-40%;right:-12%;width:52%;height:180%;
  background:radial-gradient(circle,rgba(56,189,248,.22),transparent 68%);
  pointer-events:none;
}
.cta-copy h2{font-size:clamp(23px,2.7vw,32px);margin-bottom:14px}
.cta-copy p{color:var(--muted);font-size:15px;line-height:1.72;max-width:520px}
.cta-form{position:relative;z-index:2;display:grid;gap:14px}
.form-row{display:grid;gap:8px}
.form-row label{font-size:13px;font-weight:600;color:#CBD5E1;letter-spacing:.02em}
.form-row input,.form-row select{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.72);border:1px solid var(--line-strong);
  font-size:15px;color:var(--text);transition:border-color .22s,box-shadow .22s;
}
.form-row input::placeholder{color:var(--dim)}
.form-row input:focus,.form-row select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(56,189,248,.14);
}
.form-note{font-size:13px;color:var(--muted);line-height:1.6}
.form-note.is-done{color:var(--green)}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.8);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(120deg,#38BDF8,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  font-size:13.5px;font-weight:700;color:#E0F2FE;
  transition:transform .25s,box-shadow .25s,opacity .25s;
  opacity:.82;
}
.fab i{font-size:16px;color:#A3E635}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 30px rgba(6,182,212,.7)}
.fab:active{transform:scale(.96) translateY(1px)}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px #030712;
  animation:pulse 1.4s infinite;
}
.fab-label{white-space:nowrap}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;z-index:2;
  margin-top:20px;
  padding:66px 0 30px;
  background:linear-gradient(180deg,rgba(4,11,24,0) 0%,rgba(4,11,24,.96) 22%,#030712 100%);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1.25fr;gap:38px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.footer-about p{color:var(--muted);font-size:14px;line-height:1.78;max-width:390px}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--text);margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:var(--muted);font-size:14px;transition:color .22s,padding-left .22s}
.footer-col a:hover{color:var(--cyan);padding-left:4px}
.footer-contact li{display:flex;gap:11px;color:var(--muted);font-size:13.5px;line-height:1.65}
.footer-contact i{color:var(--cyan);margin-top:4px;font-size:13px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  margin-top:46px;padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--dim);
}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal a{color:var(--muted);transition:color .22s}
.footer-legal a:hover{color:var(--cyan)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  border:1px solid rgba(251,191,36,.34);color:var(--gold);font-size:12.5px;font-weight:600;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .cat-hero-grid{grid-template-columns:1fr;gap:42px}
  .hero-panel{max-width:620px}
  .split{grid-template-columns:1fr;gap:34px}
  .cta-band{grid-template-columns:1fr;gap:32px;padding:38px 32px}
  .metric-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:74px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px 22px 22px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line-strong);
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:opacity .25s,transform .25s,visibility .25s;
    max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .main-nav.open{transform:none;opacity:1;visibility:visible}
  .nav-link{padding:13px 14px;font-size:15px}
  .nav-link.active::after{left:14px;right:auto;width:26px}
  .nav-toggle{display:grid;place-items:center}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .feature-lead{grid-column:span 2;grid-template-columns:1fr}
  .feature-lead .fl-media{min-height:200px;border-left:0;border-top:1px solid var(--line)}
  .step-grid{grid-template-columns:repeat(2,1fr);row-gap:34px}
  .qa-grid{grid-template-columns:1fr}
}
@media (max-width:820px){
  .section{padding:66px 0}
  .sec-grid{grid-template-columns:1fr}
  .cat-hero{padding:126px 0 66px}
  .cta-band{padding:30px 22px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .header-inner{height:66px;gap:12px}
  .brand-text small{display:none}
  .brand-text strong{font-size:13.5px}
  .brand-mark{width:36px;height:36px;font-size:17px;border-radius:10px}
  .header-actions .btn{padding:9px 13px;font-size:13px}
  .header-actions .btn-ghost{padding:9px 11px}
  .main-nav{top:66px}
  .metric-strip{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .feature-lead{grid-column:span 1}
  .step-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .hero-cta .btn{width:100%}
  .fab{bottom:22px;left:14px;padding:11px 14px}
  .fab .fab-label{display:none}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-elev:#0B1730;
  --panel:rgba(12,22,44,.72);
  --panel-solid:#0C162C;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FBBF24;
  --green:#34D399;
  --red:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px -22px rgba(2,8,23,.95);
  --glow:0 10px 40px -14px rgba(37,99,235,.65);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.05) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.28;letter-spacing:-.01em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;position:relative;z-index:2}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;line-height:1.2;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);
  color:#04121F;font-weight:700;
  box-shadow:0 8px 26px -12px rgba(56,189,248,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(56,189,248,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(56,189,248,.06);
  border-color:var(--line-strong);
  color:var(--cyan);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#BAE6FD}
.btn-glow{position:relative}
.btn-glow::after{
  content:"";position:absolute;inset:-2px;border-radius:999px;
  background:linear-gradient(120deg,rgba(56,189,248,.5),rgba(37,99,235,.5));
  filter:blur(14px);opacity:.55;z-index:-1;transition:opacity .25s;
}
.btn-glow:hover::after{opacity:.9}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-block{width:100%}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(3,7,18,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-color:rgba(56,189,248,.24)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-weight:800;font-size:19px;color:#04121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 8px 22px -10px rgba(56,189,248,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700}
.brand-text small{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s;position:relative;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.08)}
.nav-link.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#38BDF8,#2563EB);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-actions .btn{padding:10px 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line-strong);color:var(--cyan);
  background:rgba(56,189,248,.07);transition:background .25s;
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}

/* ============ HERO ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:146px 0 88px;
  background:radial-gradient(120% 90% at 10% 0%,#0A1B3A 0%,#030712 64%);
}
.cat-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url(/assets/images/5f5b8fe0423a050b.jpg);
  background-size:cover;background-position:center;
  opacity:.3;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(102deg,rgba(3,7,18,.95) 0%,rgba(3,7,18,.78) 48%,rgba(3,7,18,.5) 100%);
}
.cat-hero-slash{
  position:absolute;z-index:1;top:-20%;left:-14%;width:60%;height:150%;
  background:linear-gradient(140deg,rgba(37,99,235,.5) 0%,rgba(56,189,248,.14) 55%,rgba(56,189,248,0) 100%);
  clip-path:polygon(0 0,100% 0,70% 100%,0 100%);
  pointer-events:none;
}
.cat-hero-inner{
  position:relative;z-index:3;
  display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  gap:46px;align-items:start;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.28);
  padding:7px 15px;border-radius:999px;margin-bottom:22px;
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(52,211,153,.18);animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.cat-hero h1{
  font-size:clamp(29px,4.2vw,50px);
  line-height:1.16;margin-bottom:20px;
  background:linear-gradient(100deg,#FFFFFF 24%,#BAE6FD 64%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.cat-hero p.hero-lead{
  color:#CBD5E1;font-size:16.5px;max-width:620px;margin-bottom:24px;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:#BAE6FD;
  background:rgba(56,189,248,.08);
  border:1px solid rgba(56,189,248,.22);
  padding:7px 14px;border-radius:999px;
}
.chip i{font-size:11px;color:var(--cyan)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* code console panel */
.code-card{
  background:rgba(8,18,41,.86);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow),0 0 42px -22px rgba(56,189,248,.8);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  overflow:hidden;
}
.code-card-head{
  display:flex;align-items:center;gap:9px;
  padding:14px 18px;border-bottom:1px solid var(--line);
  background:rgba(56,189,248,.05);
}
.code-card-head .dots{display:flex;gap:6px}
.code-card-head .dots span{width:10px;height:10px;border-radius:50%;background:rgba(148,163,184,.45)}
.code-card-head .dots span:first-child{background:#F43F5E}
.code-card-head .dots span:nth-child(2){background:#FBBF24}
.code-card-head .dots span:nth-child(3){background:#34D399}
.code-card-head b{margin-left:auto;font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.code-body{
  margin:0;padding:20px 20px 8px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:13.5px;line-height:2;
}
.code-body .cmt{color:var(--dim)}
.code-body .key{color:var(--holo)}
.code-body .val{color:var(--gold)}
.code-body .ok{color:var(--green)}
.code-body .cmd{color:var(--cyan)}
.code-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:16px 20px 22px;border-top:1px solid var(--line);
  background:rgba(56,189,248,.03);
}
.code-foot .code-foot-note{font-size:12.5px;color:var(--muted);flex:1;min-width:170px}
.code-foot .btn{padding:10px 20px;font-size:13.5px}

/* breadcrumb */
.crumb{
  position:relative;z-index:3;
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:18px;
}
.crumb a{color:var(--holo)}
.crumb a:hover{color:var(--cyan)}
.crumb i{font-size:10px;color:var(--dim)}

/* ============ SECTIONS ============ */
.section{padding:78px 0;position:relative;z-index:2}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.6));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.7vw,34px)}
.lead{color:var(--muted);font-size:15.5px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:14px;
}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,#38BDF8,#2563EB)}

/* metrics */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.metric{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px 20px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:border-color .25s,transform .25s;
}
.metric:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.metric b{
  display:block;font-size:clamp(22px,2.6vw,31px);font-weight:800;line-height:1.2;margin-bottom:6px;
  background:linear-gradient(110deg,#FFFFFF,#38BDF8);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.metric span{display:block;font-size:13.5px;color:var(--muted)}
.metric i{color:var(--cyan);font-size:14px;margin-bottom:10px;display:block}

/* feature matrix */
.matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.feature{
  padding:24px 22px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(12,22,44,.82),rgba(8,18,41,.45));
  border:1px solid var(--line);
  transition:border-color .25s,box-shadow .25s,transform .25s;
}
.feature:hover{border-color:var(--line-strong);box-shadow:0 16px 40px -24px rgba(56,189,248,.85);transform:translateY(-3px)}
.feature-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.24);
  color:var(--cyan);font-size:17px;margin-bottom:16px;
}
.feature h3{font-size:17px;margin-bottom:8px}
.feature p{font-size:14.5px;color:var(--muted);margin:0}

/* split blocks */
.split{display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:start}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-bottom:1px dashed rgba(56,189,248,.16);
  font-size:15px;color:#E2E8F0;
}
.check-list li:last-child{border-bottom:0}
.check-list i{color:var(--green);font-size:14px;margin-top:5px;flex-shrink:0}
.note-panel{
  border:1px solid var(--line-strong);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(37,99,235,.18),rgba(8,18,41,.75));
  padding:26px 24px;
}
.note-panel h3{font-size:18px;margin-bottom:12px}
.note-panel ul li{
  display:flex;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px solid rgba(56,189,248,.14);font-size:14.5px;
}
.note-panel ul li:last-child{border-bottom:0}
.note-panel ul li span{color:var(--muted)}
.note-panel ul li b{color:#BAE6FD;font-weight:700;text-align:right}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(12,22,44,.86),rgba(8,18,41,.4));
  border:1px solid var(--line);
  transition:border-color .25s,transform .25s;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.step-num{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:11px;
  font-weight:800;font-size:15px;color:#04121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 8px 20px -12px rgba(56,189,248,.9);margin-bottom:14px;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);margin:0}

/* compare rows */
.compare{display:grid;gap:12px}
.compare-head{
  display:grid;grid-template-columns:1.15fr .75fr .95fr 130px;gap:14px;
  padding:0 18px 8px;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);font-weight:700;
}
.compare-row{
  display:grid;grid-template-columns:1.15fr .75fr .95fr 130px;gap:14px;align-items:center;
  padding:17px 18px;border:1px solid var(--line);border-radius:14px;
  background:rgba(8,18,41,.6);font-size:14.5px;
  transition:border-color .25s,background .25s;
}
.compare-row:hover{border-color:var(--line-strong);background:rgba(12,22,44,.8)}
.compare-row.is-hot{
  border-color:rgba(56,189,248,.5);
  background:linear-gradient(100deg,rgba(37,99,235,.24),rgba(8,18,41,.7));
  box-shadow:0 14px 40px -26px rgba(56,189,248,.9);
}
.compare-row strong{color:#E0F2FE;font-weight:700}
.compare-row .val-gold{color:var(--gold);font-weight:700}
.compare-row .val-green{color:var(--green);font-weight:700}
.compare-row .mini-tag{
  justify-self:start;font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;background:rgba(56,189,248,.14);color:var(--cyan);border:1px solid rgba(56,189,248,.3);
}
.compare-note{font-size:13px;color:var(--dim);margin-top:14px}

/* timeline */
.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,#38BDF8,rgba(37,99,235,.15));
}
.tl-item{position:relative;padding:0 0 24px 16px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-24px;top:6px;width:12px;height:12px;border-radius:50%;
  background:#030712;border:2px solid var(--cyan);box-shadow:0 0 0 4px rgba(56,189,248,.12);
}
.tl-item b{display:block;font-size:15.5px;color:#E0F2FE;margin-bottom:4px}
.tl-item span{font-size:14px;color:var(--muted)}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(180deg,rgba(12,22,44,.85),rgba(8,18,41,.4));
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 20px 46px -28px rgba(56,189,248,.95)}
.news-card .news-link{display:block;height:100%}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,0) 40%,rgba(3,7,18,.82) 100%);
}
.news-body{padding:18px 20px 22px}
.news-tag{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.12);border:1px solid rgba(56,189,248,.26);
  padding:4px 11px;border-radius:999px;margin-bottom:12px;
}
.news-body h3{font-size:16.5px;margin-bottom:8px}
.news-body h3 a{color:inherit}
.news-body p{font-size:14px;color:var(--muted);margin-bottom:12px}
.news-date{font-size:12.5px;color:var(--dim);display:inline-flex;align-items:center;gap:7px}
.empty-note{
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:28px;color:var(--muted);font-size:15px;background:rgba(8,18,41,.45);
}

/* trust */
.trust-split{display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center}
.trust-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--shadow);position:relative;
}
.trust-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.trust-list li{
  display:flex;gap:14px;align-items:flex-start;padding:16px 0;
  border-bottom:1px solid rgba(56,189,248,.14);
}
.trust-list li:last-child{border-bottom:0}
.trust-list .tico{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.24);color:var(--cyan);font-size:16px;
}
.trust-list b{display:block;font-size:15.5px;color:#E0F2FE;margin-bottom:3px}
.trust-list span{font-size:14px;color:var(--muted)}

/* faq */
.faq-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.faq{display:grid;gap:12px}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(8,18,41,.6);overflow:hidden;transition:border-color .25s,background .25s;
}
.faq details[open]{border-color:var(--line-strong);background:rgba(11,23,48,.86)}
.faq summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-weight:600;font-size:15.5px;
  display:flex;align-items:center;gap:14px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;color:var(--cyan);font-size:12px;transition:transform .25s;
}
.faq details[open] summary::after{content:"\f068"}
.faq .faq-body{padding:0 20px 20px;color:var(--muted);font-size:14.5px}
.faq-aside{
  border:1px solid var(--line-strong);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(37,99,235,.2),rgba(8,18,41,.8));
  padding:26px 24px;
}
.faq-aside h3{font-size:18px}
.faq-aside p{font-size:14.5px;color:#CBD5E1}
.faq-aside .contact-line{
  display:flex;align-items:center;gap:10px;font-size:14px;color:#BAE6FD;padding:9px 0;
}
.faq-aside .contact-line i{color:var(--cyan);font-size:13px}

/* conversion panel */
.cta-panel{
  display:grid;grid-template-columns:1fr .86fr;gap:32px;align-items:start;
  padding:36px;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.26) 0%,rgba(8,18,41,.86) 58%,rgba(3,7,18,.9) 100%);
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(22px,2.5vw,30px);margin-bottom:14px}
.cta-panel .lead{color:#CBD5E1}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.form-card{
  background:rgba(4,10,24,.75);border:1px solid var(--line-strong);
  border-radius:var(--radius);padding:24px 22px;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.form-card h3{font-size:17px;margin-bottom:6px}
.form-card .form-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.form-field{margin-bottom:14px}
.form-field label{display:block;font-size:13px;font-weight:600;color:#CBD5E1;margin-bottom:7px}
.form-field input,.form-field select{
  width:100%;padding:12px 14px;border-radius:12px;
  background:rgba(8,18,41,.85);border:1px solid var(--line);
  color:var(--text);font-size:14.5px;transition:border-color .22s,box-shadow .22s;
}
.form-field input::placeholder{color:var(--dim)}
.form-field input:focus,.form-field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-note{font-size:12.5px;color:var(--dim);margin-top:12px;line-height:1.55}

/* ============ FOOTER ============ */
.site-footer{
  background:#02060F;border-top:1px solid var(--line);
  padding:58px 0 24px;position:relative;z-index:2;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about p{font-size:14px;color:var(--muted);max-width:400px}
.footer-col h4{font-size:14.5px;margin-bottom:16px;color:#E0F2FE;letter-spacing:.01em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--muted);transition:color .22s}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-contact li{
  display:flex;gap:10px;align-items:flex-start;font-size:13.5px;
  color:var(--muted);margin-bottom:12px;line-height:1.55;
}
.footer-contact i{color:var(--cyan);font-size:13px;margin-top:4px;flex-shrink:0}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.footer-bottom p{font-size:13px;color:var(--dim);margin:0}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal a{font-size:13px;color:var(--muted)}
.footer-legal a:hover{color:var(--cyan)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  color:#FCA5A5;background:rgba(244,63,94,.1);
  border:1px solid rgba(244,63,94,.3);padding:6px 13px;border-radius:999px;
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:52px;padding:0 20px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(56,189,248,.45);
  color:#E0F2FE;font-size:14px;font-weight:600;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:opacity .28s,box-shadow .28s,transform .2s;position:fixed;
}
.fab:hover{opacity:1;box-shadow:0 0 34px rgba(6,182,212,.72);transform:translateY(-2px)}
.fab:active{transform:translateY(1px) scale(.97)}
.fab .fab-dot{
  width:8px;height:8px;border-radius:50%;background:#22D3EE;
  box-shadow:0 0 10px rgba(34,211,238,.9);animation:pulse 1.6s infinite;flex-shrink:0;
}
.fab .fab-badge{
  position:absolute;top:-7px;right:-4px;font-size:10px;font-weight:700;letter-spacing:.06em;
  padding:3px 8px;border-radius:999px;background:#EC4899;color:#fff;
  box-shadow:0 4px 12px -4px rgba(236,72,153,.9);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:34px}
  .cat-hero{padding:126px 0 70px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split,.trust-split,.faq-grid,.cta-panel{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr 1fr;gap:10px}
}
@media (max-width:820px){
  .main-nav{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line-strong);
    padding:14px 18px 20px;display:none;
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:rgba(56,189,248,.14)}
  .nav-toggle{display:grid;place-items:center}
  .header-inner{gap:12px}
  .header-actions .btn{padding:9px 14px;font-size:13px}
  .brand-text strong{font-size:14px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:58px 0}
  .cat-hero{padding:114px 0 58px}
  .metric-grid,.matrix,.steps,.news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-panel{padding:24px 20px}
  .hero-cta .btn{width:100%}
  .brand-text small{display:none}
  .header-actions .btn-ghost{display:none}
  .fab{left:12px;bottom:78px;min-height:48px;padding:0 16px;font-size:13px}
  .code-body{font-size:12.5px;line-height:1.9}
  .compare-row{grid-template-columns:1fr;gap:6px}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --bg-elev:#0B1730;
  --panel:rgba(12,22,44,.72);
  --panel-solid:#0C162C;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.34);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FBBF24;
  --green:#34D399;
  --red:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px -22px rgba(2,8,23,.95);
  --glow:0 10px 40px -14px rgba(37,99,235,.65);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.05) 1px,transparent 1px);
  background-size:62px 62px;
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 0%,transparent 72%);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;position:relative;z-index:2}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;line-height:1.2;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,#2563EB 0%,#38BDF8 100%);
  color:#04121F;font-weight:700;
  box-shadow:0 8px 26px -12px rgba(56,189,248,.85);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px rgba(56,189,248,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(56,189,248,.06);
  border-color:var(--line-strong);
  color:var(--cyan);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#BAE6FD}
.btn-glow{position:relative}
.btn-glow::after{
  content:"";position:absolute;inset:-2px;border-radius:999px;
  background:linear-gradient(120deg,rgba(56,189,248,.5),rgba(37,99,235,.5));
  filter:blur(14px);opacity:.55;z-index:-1;transition:opacity .25s;
}
.btn-glow:hover::after{opacity:.9}
.btn-lg{padding:16px 34px;font-size:16px}
.btn-block{width:100%}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(3,7,18,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .3s,border-color .3s;
}
.site-header.is-scrolled{background:rgba(3,7,18,.94);border-color:rgba(56,189,248,.24)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  display:grid;place-items:center;font-weight:800;font-size:19px;color:#04121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  box-shadow:0 8px 22px -10px rgba(56,189,248,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15px;font-weight:700;letter-spacing:-.01em}
.brand-text small{font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .22s,background .22s;position:relative;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.08)}
.nav-link.active{color:var(--cyan);background:rgba(56,189,248,.12)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#38BDF8,#2563EB);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.header-actions .btn{padding:10px 18px;font-size:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line-strong);color:var(--cyan);
  background:rgba(56,189,248,.07);
}
.nav-toggle:hover{background:rgba(56,189,248,.16)}

/* ============ PAGE HERO ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:140px 0 82px;
  background:radial-gradient(120% 90% at 12% 0%,#0A1B3A 0%,#030712 64%);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url(/assets/images/5f5b8fe0423a050b.jpg);
  background-size:cover;background-position:center;
  opacity:.3;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(3,7,18,.95) 0%,rgba(3,7,18,.76) 46%,rgba(3,7,18,.4) 100%);
}
.hero-slash{
  position:absolute;z-index:1;
  top:-20%;left:-18%;width:70%;height:150%;
  background:linear-gradient(140deg,rgba(37,99,235,.5) 0%,rgba(56,189,248,.14) 55%,rgba(56,189,248,0) 100%);
  clip-path:polygon(0 0,100% 0,70% 100%,0 100%);
  pointer-events:none;
}
.hero-slash-2{
  left:auto;right:-24%;top:-14%;width:46%;height:135%;
  background:linear-gradient(220deg,rgba(56,189,248,.2),rgba(37,99,235,0) 72%);
  clip-path:polygon(28% 0,100% 0,100% 100%,0 100%);
}
.hero-grid{
  position:relative;z-index:3;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);
  background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.28);
  padding:7px 15px;border-radius:999px;
  margin-bottom:20px;
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(52,211,153,.18);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.55;transform:scale(.82)}
}
.page-hero h1{
  font-size:clamp(28px,3.9vw,46px);
  line-height:1.18;
  margin:0 0 20px;
  letter-spacing:-.02em;
  background:linear-gradient(100deg,#FFFFFF 20%,#BAE6FD 60%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.page-hero h1 .hl{
  background:linear-gradient(100deg,#38BDF8 0%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-lead{font-size:16.5px;color:#CBD5E1;max-width:640px;margin:0 0 28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-trust{
  list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0;
}
.hero-trust li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:#CBD5E1;
  background:rgba(12,22,44,.7);
  border:1px solid var(--line);
  padding:8px 14px;border-radius:999px;
  backdrop-filter:blur(8px);
}
.hero-trust i{color:var(--cyan);font-size:12px}

.hero-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:20px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.hero-panel figure{margin:0 0 18px;border-radius:var(--radius);overflow:hidden;position:relative}
.hero-panel figure img{width:100%;height:190px;object-fit:cover;transition:transform .5s ease}
.hero-panel:hover figure img{transform:scale(1.04)}
.hero-panel figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,0) 40%,rgba(3,7,18,.75) 100%);
}
.panel-badge{
  position:absolute;left:14px;bottom:12px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(3,7,18,.78);border:1px solid var(--line-strong);
  color:var(--cyan);padding:6px 12px;border-radius:999px;
}
.panel-rows{display:grid;gap:10px}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(56,189,248,.05);
  border:1px solid rgba(56,189,248,.12);
}
.panel-row span{font-size:13.5px;color:var(--muted)}
.panel-row strong{font-size:15px;color:var(--text);font-weight:700}
.panel-row strong.accent{color:var(--cyan)}

/* ============ SECTION BASE ============ */
.section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.65) 0%,rgba(3,7,18,0) 100%)}
.section-head{max-width:720px;margin-bottom:42px}
.section-head.left{margin-left:0}
.section-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--holo);margin-bottom:12px;
}
.section-title{
  font-size:clamp(22px,2.6vw,32px);line-height:1.28;margin:0 0 14px;letter-spacing:-.015em;
}
.section-desc{color:var(--muted);font-size:15.5px;margin:0}

/* ============ STAT BOARD ============ */
.stat-board{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:-58px;position:relative;z-index:4;
}
.stat-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px 20px;
  backdrop-filter:blur(14px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.stat-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.stat-item .stat-icon{
  width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:rgba(56,189,248,.1);color:var(--cyan);font-size:16px;margin-bottom:14px;
}
.stat-value{
  font-size:26px;font-weight:800;letter-spacing:-.02em;margin:0 0 4px;
  background:linear-gradient(100deg,#BAE6FD,#38BDF8);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.stat-label{margin:0;font-size:13.5px;color:var(--muted);line-height:1.5}

/* ============ SERVICE MATRIX ============ */
.service-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.service-card{
  display:flex;gap:18px;
  background:rgba(12,22,44,.55);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  transition:border-color .3s ease,background .3s ease,transform .3s ease;
}
.service-card:hover{border-color:var(--line-strong);background:rgba(12,22,44,.85);transform:translateY(-3px)}
.service-icon{
  width:50px;height:50px;flex-shrink:0;border-radius:14px;display:grid;place-items:center;
  font-size:19px;color:var(--cyan);
  background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(56,189,248,.1));
  border:1px solid var(--line-strong);
}
.service-card h3{font-size:17px;margin:0 0 8px;letter-spacing:-.01em}
.service-card p{margin:0;font-size:14.5px;color:var(--muted)}
.service-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;
}
.chip{
  font-size:12px;font-weight:600;color:#BAE6FD;
  background:rgba(56,189,248,.1);
  border:1px solid rgba(56,189,248,.24);
  padding:5px 11px;border-radius:999px;
}

/* ============ COMPARE ============ */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{
  border-radius:var(--radius);
  padding:26px 24px;
  border:1px solid var(--line);
  background:rgba(12,22,44,.5);
}
.compare-col.is-best{
  border-color:var(--line-strong);
  background:linear-gradient(160deg,rgba(37,99,235,.18),rgba(12,22,44,.72));
  box-shadow:var(--glow);
}
.compare-col h3{
  margin:0 0 6px;font-size:18px;display:flex;align-items:center;gap:10px;
}
.compare-col h3 i{color:var(--cyan);font-size:16px}
.compare-col.is-best h3 i{color:var(--green)}
.compare-sub{color:var(--muted);font-size:13.5px;margin:0 0 18px}
.compare-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.compare-list li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:14.5px;color:#CBD5E1;line-height:1.55;
}
.compare-list li i{margin-top:4px;font-size:13px;flex-shrink:0}
.compare-list li i.ok{color:var(--green)}
.compare-list li i.no{color:var(--dim)}
.compare-list li strong{color:var(--text)}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;
  padding:26px 22px 22px;
  border-radius:var(--radius);
  background:rgba(12,22,44,.5);
  border:1px solid var(--line);
  transition:border-color .3s,transform .3s;
}
.step:hover{border-color:var(--line-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:#04121F;
  background:linear-gradient(135deg,#38BDF8,#2563EB);
  margin-bottom:14px;
  box-shadow:0 8px 20px -10px rgba(56,189,248,.9);
}
.step h3{font-size:15.5px;margin:0 0 8px}
.step p{margin:0;font-size:14px;color:var(--muted)}
.step::after{
  content:"";position:absolute;top:42px;right:-14px;width:22px;height:2px;
  background:linear-gradient(90deg,rgba(56,189,248,.55),rgba(56,189,248,0));
}
.step:last-child::after{display:none}

/* ============ SECURITY ============ */
.security-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center}
.security-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.security-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:rgba(12,22,44,.5);border:1px solid var(--line);
}
.security-list i{
  width:36px;height:36px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;
  background:rgba(52,211,153,.12);color:var(--green);font-size:15px;
}
.security-list h3{margin:0 0 4px;font-size:15px}
.security-list p{margin:0;font-size:14px;color:var(--muted)}
.security-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);
}
.security-visual img{width:100%;height:330px;object-fit:cover}
.security-visual .overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.15) 30%,rgba(3,7,18,.88) 100%);
}
.security-visual .overlay-box{
  position:absolute;left:20px;right:20px;bottom:20px;
  background:rgba(3,7,18,.72);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);
  padding:16px 18px;
  backdrop-filter:blur(10px);
}
.security-visual .overlay-box strong{display:block;font-size:15px;margin-bottom:4px}
.security-visual .overlay-box span{font-size:13.5px;color:var(--muted)}

/* ============ CHANNEL MATRIX ============ */
.cat-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cat-card{
  display:block;position:relative;overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:rgba(12,22,44,.55);
  padding:24px 22px;
  transition:border-color .3s,transform .3s,box-shadow .3s;
}
.cat-card:hover{border-color:var(--line-strong);transform:translateY(-5px);box-shadow:var(--glow)}
.cat-card .cat-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(56,189,248,.1);color:var(--cyan);font-size:17px;margin-bottom:16px;
}
.cat-card h3{margin:0 0 8px;font-size:17px}
.cat-card p{margin:0 0 16px;font-size:14px;color:var(--muted)}
.cat-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:var(--cyan);
}
.cat-card:hover .cat-link{gap:12px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:rgba(12,22,44,.5);
  padding:0 20px;
  transition:border-color .3s,background .3s;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(12,22,44,.78)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:15.5px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);font-size:13px;transition:transform .3s}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item p{margin:0 0 18px;font-size:14.5px;color:var(--muted);line-height:1.7}

/* ============ CTA FORM ============ */
.cta-section{
  padding:78px 0;
  background:radial-gradient(90% 120% at 85% 10%,rgba(37,99,235,.28) 0%,rgba(3,7,18,0) 62%);
}
.cta-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:flex-start}
.cta-copy h2{font-size:clamp(22px,2.6vw,32px);margin:0 0 16px;line-height:1.28}
.cta-copy p{color:var(--muted);font-size:15.5px;margin:0 0 24px}
.cta-points{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.cta-points li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:#CBD5E1}
.cta-points i{color:var(--green);margin-top:4px;font-size:13px}
.form-card{
  background:var(--panel);
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:28px;
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.form-card h3{margin:0 0 6px;font-size:19px}
.form-card > p{margin:0 0 22px;font-size:14px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;font-weight:600;color:#CBD5E1}
.field input,.field select,.field textarea{
  width:100%;
  background:rgba(3,7,18,.7);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:12px 14px;
  font-size:14.5px;
  color:var(--text);
  transition:border-color .25s,box-shadow .25s,background .25s;
}
.field input::placeholder,.field textarea::placeholder{color:var(--dim)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(56,189,248,.16);
  background:rgba(3,7,18,.92);
}
.field textarea{resize:vertical;min-height:88px}
.form-note{font-size:12.5px;color:var(--dim);margin:16px 0 0;line-height:1.6}
.form-alert{
  display:none;
  margin-top:16px;
  padding:13px 16px;
  border-radius:var(--radius-sm);
  background:rgba(52,211,153,.12);
  border:1px solid rgba(52,211,153,.35);
  color:#A7F3D0;
  font-size:14px;
}
.form-alert.is-visible{display:block}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:999px;
  display:grid;place-items:center;
  font-size:20px;color:#BAE6FD;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),
                   linear-gradient(135deg,#38BDF8,#2563EB);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.78;
  transition:transform .3s ease,opacity .3s ease,box-shadow .3s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(56,189,248,.7)}
.fab:active{transform:scale(.94)}
.fab .fab-dot{
  position:absolute;top:6px;right:8px;
  width:9px;height:9px;border-radius:50%;
  background:var(--red);
  box-shadow:0 0 0 2px rgba(3,7,18,.9);
  animation:pulse 1.6s infinite;
}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;z-index:2;
  background:linear-gradient(180deg,rgba(8,18,41,.4) 0%,rgba(3,7,18,.98) 100%);
  border-top:1px solid rgba(56,189,248,.14);
  padding:62px 0 26px;
  margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-about p{font-size:14px;color:var(--muted);margin:0;max-width:340px}
.footer-col h4{font-size:14px;margin:0 0 16px;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col ul a{font-size:14px;color:var(--muted);transition:color .22s}
.footer-col ul a:hover{color:var(--cyan)}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:var(--muted);align-items:flex-start}
.footer-contact i{color:var(--cyan);margin-top:4px;font-size:13px}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:13.5px;color:var(--muted)}
.footer-legal{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal a{font-size:13.5px;color:var(--muted);transition:color .22s}
.footer-legal a:hover{color:var(--cyan)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:#FDE68A;
  border:1px solid rgba(251,191,36,.35);
  background:rgba(251,191,36,.08);
  padding:6px 13px;border-radius:999px;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-panel{max-width:560px}
  .stat-board{grid-template-columns:repeat(2,1fr);margin-top:-40px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .security-grid{grid-template-columns:1fr;gap:28px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:74px;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid rgba(56,189,248,.18);
    padding:14px 22px 20px;
    backdrop-filter:blur(18px);
  }
  .main-nav.is-open{display:flex}
  .main-nav .nav-link{padding:12px 14px;font-size:15px;margin-left:0}
  .nav-link.active::after{display:none}
  .nav-toggle{display:grid;place-items:center}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:768px){
  .page-hero{padding:118px 0 66px}
  .section{padding:60px 0}
  .service-grid{grid-template-columns:1fr}
  .compare-wrap{grid-template-columns:1fr}
  .cat-matrix{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .security-visual img{height:260px}
  .btn-lg{padding:14px 26px;font-size:15px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{height:66px;gap:12px}
  .brand-text small{display:none}
  .brand-text strong{font-size:13.5px;max-width:150px;line-height:1.2}
  .header-actions .btn{padding:9px 14px;font-size:13px}
  .page-hero{padding:106px 0 56px}
  .page-hero h1{font-size:25px}
  .hero-lead{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stat-board{grid-template-columns:1fr;margin-top:-34px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .fab{left:12px;bottom:84px;width:52px;height:52px;font-size:18px}
  .form-card{padding:22px 18px}
}