/* roulang page: index */
:root{
  --bg:#07070D;
  --bg-deep:#04040A;
  --bg-soft:#0E0E1E;
  --surface:#12131F;
  --surface-2:#181A2B;
  --lime:#A3E635;
  --lime-soft:rgba(163,230,53,.12);
  --cyan:#06B6D4;
  --cyan-soft:rgba(6,182,212,.12);
  --pink:#F43F5E;
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted-2:#CBD5E1;
  --line:rgba(148,163,184,.16);
  --line-lime:rgba(163,230,53,.42);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 45px rgba(0,0,0,.5);
  --glow-lime:0 0 24px rgba(163,230,53,.35);
  --glow-cyan:0 0 24px rgba(6,182,212,.4);
  --header-h:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:rgba(7,7,13,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  display:grid;place-items:center;color:#04120a;font-weight:900;font-size:15px;
  box-shadow:var(--glow-lime);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.logo-text span{font-size:11px;color:var(--lime);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted-2);
  transition:color .2s,background .2s,border-color .2s;border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--lime);background:var(--lime-soft);border-color:rgba(163,230,53,.28)}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:#fff;cursor:pointer;align-items:center;justify-content:center;
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 24px;font-weight:700;font-size:14.5px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  color:#04120a;box-shadow:0 0 22px rgba(163,230,53,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(163,230,53,.58)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#e2e8f0}
.btn-ghost:hover{border-color:var(--line-lime);color:#fff;background:rgba(163,230,53,.09)}
.btn-text{background:transparent;border-color:rgba(148,163,184,.35);color:var(--muted-2)}
.btn-text:hover{color:var(--lime);border-color:var(--lime)}
.btn-sm{padding:9px 17px;font-size:13.5px}
.btn-block{width:100%}

/* ---------- LAYOUT ---------- */
main{padding-top:var(--header-h)}
section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#090A14 0%,#0E0E1E 100%)}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
  color:var(--lime);background:var(--lime-soft);
  border:1px solid rgba(163,230,53,.26);padding:6px 13px;border-radius:999px;
}
.eyebrow.cyan{color:var(--cyan);background:var(--cyan-soft);border-color:rgba(6,182,212,.3)}
.section-title{
  font-size:clamp(24px,3.3vw,36px);line-height:1.25;font-weight:800;
  letter-spacing:-.5px;margin:16px 0 14px;max-width:900px;
}
.section-lead{color:var(--muted);font-size:15.5px;max-width:780px;line-height:1.7}
.section-head{margin-bottom:38px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto;max-width:820px}
.section-head.center .section-lead{margin:0 auto}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:64px 0 72px;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(4,4,10,.96) 0%,rgba(7,7,13,.88) 45%,rgba(6,20,26,.78) 100%),url('/assets/images/f2cc99b65f9043f7.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(163,230,53,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(163,230,53,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.6;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.hero h1{
  font-size:clamp(27px,4vw,46px);line-height:1.2;font-weight:900;letter-spacing:-1px;
  margin:20px 0 18px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--lime),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted-2);font-size:16px;line-height:1.72;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin:28px 0 24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  color:var(--muted-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);padding:8px 14px;border-radius:999px;
}
.hero-points i{color:var(--lime)}

.launch-card{
  background:linear-gradient(160deg,rgba(24,26,43,.94),rgba(10,11,20,.94));
  border:1px solid rgba(6,182,212,.3);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow);
}
.launch-card h2{font-size:17px;font-weight:800;margin-bottom:6px}
.launch-card p{color:var(--muted);font-size:13.5px}
.ring-wrap{display:flex;align-items:center;gap:20px;margin:20px 0 18px}
.ring{position:relative;width:158px;height:158px;flex:0 0 158px}
.ring svg{transform:rotate(-90deg);display:block}
.ring .ring-track{stroke:rgba(148,163,184,.16)}
.ring .ring-bar{stroke:url(#ringGrad);stroke-linecap:round;transition:stroke-dashoffset .6s linear}
.ring-center{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;
}
.ring-center .cd-day{font-size:30px;font-weight:900;line-height:1;color:var(--lime)}
.ring-center .cd-label{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:5px}
.cd-clock{display:flex;gap:8px}
.cd-unit{
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:10px;padding:8px 9px;text-align:center;min-width:52px;
}
.cd-unit b{display:block;font-size:16px;font-weight:800;color:#fff;line-height:1.1}
.cd-unit span{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.launch-list{margin:16px 0 20px;display:grid;gap:10px}
.launch-list li{display:flex;gap:10px;font-size:13.5px;color:var(--muted-2);align-items:flex-start}
.launch-list i{color:var(--cyan);margin-top:4px}

/* ---------- STAT STRIP ---------- */
.stat-strip{background:var(--bg-deep);border-bottom:1px solid var(--line);padding:0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:30px 22px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-item b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:900;letter-spacing:-.6px;
  background:linear-gradient(120deg,var(--lime),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-item span{display:block;color:var(--muted);font-size:13.5px;margin-top:6px}

/* ---------- HIGHLIGHTS ---------- */
.split{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.hl-list{display:grid;gap:0}
.hl-item{display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--line)}
.hl-item:first-child{padding-top:0}
.hl-item:last-child{border-bottom:0}
.hl-num{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-weight:900;font-size:15px;color:var(--lime);
  background:var(--lime-soft);border:1px solid rgba(163,230,53,.28);
}
.hl-item h3{font-size:17.5px;font-weight:800;margin-bottom:7px}
.hl-item p{color:var(--muted);font-size:14.5px;line-height:1.7}

/* ---------- PIPELINE ---------- */
.pipeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:10px}
.pipe-card{
  background:linear-gradient(170deg,rgba(24,26,43,.85),rgba(9,10,18,.85));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;
  transition:border-color .25s,transform .25s,box-shadow .25s;position:relative;
}
.pipe-card:hover{border-color:var(--line-lime);transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.5)}
.pipe-step{font-size:11.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}
.pipe-card h3{font-size:16.5px;font-weight:800;margin:12px 0 9px}
.pipe-card p{color:var(--muted);font-size:14px;line-height:1.7}
.pipe-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(6,182,212,.12);border:1px solid rgba(6,182,212,.3);color:var(--cyan);font-size:17px;
}

/* ---------- CARD GRIDS ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:linear-gradient(165deg,rgba(24,26,43,.9),rgba(10,11,20,.9));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.card:hover{border-color:var(--line-lime);transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.5)}
.card h3{font-size:17px;font-weight:800;margin-bottom:9px}
.card p{color:var(--muted);font-size:14.5px;line-height:1.7}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-size:18px;margin-bottom:16px;color:var(--lime);
  background:var(--lime-soft);border:1px solid rgba(163,230,53,.28);
}
.card-icon.cyan{color:var(--cyan);background:var(--cyan-soft);border-color:rgba(6,182,212,.3)}
.card-icon.pink{color:var(--pink);background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.3)}
.tag{
  display:inline-block;font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;background:var(--lime-soft);color:var(--lime);
  border:1px solid rgba(163,230,53,.3);margin-bottom:14px;
}

/* ---------- DEMO ---------- */
.demo-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:center}
.frame{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);box-shadow:var(--shadow);
}
.frame-bar{display:flex;align-items:center;gap:7px;padding:11px 15px;background:rgba(255,255,255,.04);border-bottom:1px solid var(--line)}
.frame-bar i{width:10px;height:10px;border-radius:50%;background:rgba(148,163,184,.4);display:block}
.frame-bar i:first-child{background:rgba(244,63,94,.7)}
.frame-bar i:nth-child(2){background:rgba(163,230,53,.7)}
.frame-bar i:nth-child(3){background:rgba(6,182,212,.7)}
.frame img{width:100%;height:auto}
.mini-shots{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.mini-shots img{border-radius:var(--radius-sm);border:1px solid var(--line);width:100%;height:100%;object-fit:cover}
.demo-notes{display:grid;gap:18px}
.demo-note{display:flex;gap:14px;align-items:flex-start}
.demo-note i{color:var(--lime);font-size:16px;margin-top:5px}
.demo-note b{display:block;font-size:15.5px;font-weight:800;margin-bottom:5px}
.demo-note p{color:var(--muted);font-size:14px;line-height:1.7}

/* ---------- USE CASES ---------- */
.case-card{overflow:hidden;padding:0}
.case-card img{width:100%;height:186px;object-fit:cover}
.case-body{padding:22px 24px 26px}
.case-body h3{font-size:16.5px;font-weight:800;margin-bottom:9px}
.case-body p{color:var(--muted);font-size:14.5px;line-height:1.7}
.case-meta{display:flex;gap:14px;margin-top:15px;font-size:12.5px;color:var(--lime);font-weight:700}
.case-meta span{display:inline-flex;align-items:center;gap:6px}

/* ---------- COMPARISON ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
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 var(--line)}
table.compare thead th{background:rgba(255,255,255,.04);font-weight:800;font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted-2)}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare td:first-child{color:var(--muted-2);font-weight:600}
table.compare td.ai{color:var(--lime);font-weight:700}
table.compare td.manual{color:var(--muted)}
table.compare tbody tr:hover{background:rgba(163,230,53,.04)}

/* ---------- PRICING ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price-card{
  display:flex;flex-direction:column;
  background:linear-gradient(170deg,rgba(24,26,43,.9),rgba(10,11,20,.9));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.price-card:hover{transform:translateY(-5px);box-shadow:0 22px 48px rgba(0,0,0,.55)}
.price-card.featured{border-color:var(--line-lime);box-shadow:0 0 34px rgba(163,230,53,.18)}
.price-card h3{font-size:16px;font-weight:800;letter-spacing:.02em}
.price-value{font-size:34px;font-weight:900;letter-spacing:-1px;margin:14px 0 4px}
.price-value small{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:0}
.price-note{color:var(--muted);font-size:13.5px;margin-bottom:20px}
.price-list{display:grid;gap:11px;margin-bottom:26px}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--muted-2);align-items:flex-start}
.price-list i{color:var(--lime);margin-top:4px;font-size:13px}
.price-card .btn{margin-top:auto}

/* ---------- DATA BAR ---------- */
.data-bar{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--surface);
}
.data-item{padding:34px 26px;border-right:1px solid var(--line)}
.data-item:last-child{border-right:0}
.data-item b{display:block;font-size:clamp(26px,3vw,38px);font-weight:900;letter-spacing:-1px;color:var(--lime)}
.data-item h3{font-size:15.5px;font-weight:800;margin:10px 0 7px}
.data-item p{color:var(--muted);font-size:13.5px;line-height:1.65}

/* ---------- TESTIMONIALS ---------- */
.quote-card{position:relative}
.quote-card .stars{color:#FACC15;font-size:13px;letter-spacing:2px;margin-bottom:14px}
.quote-card blockquote{font-size:14.8px;line-height:1.75;color:var(--muted-2);margin-bottom:18px}
.quote-user{display:flex;align-items:center;gap:12px}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:14px;
  background:linear-gradient(135deg,var(--lime),var(--cyan));color:#04120a;flex:0 0 42px;
}
.quote-user b{display:block;font-size:14px;font-weight:800}
.quote-user span{font-size:12.5px;color:var(--muted)}

/* ---------- GUIDE ---------- */
.guide-wrap{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;margin-top:12px}
.guide-block{
  border-left:2px solid rgba(163,230,53,.4);padding-left:20px;
}
.guide-block h3{font-size:16.5px;font-weight:800;margin-bottom:11px;line-height:1.4}
.guide-block p{color:var(--muted);font-size:14.5px;line-height:1.75}

/* ---------- CATEGORY MATRIX ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{
  display:block;padding:28px 26px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(24,26,43,.92),rgba(9,10,18,.92));
  border:1px solid var(--line);transition:border-color .25s,transform .25s,box-shadow .25s;
}
.cat-card:hover{border-color:var(--line-lime);transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.5)}
.cat-card i{font-size:20px;color:var(--cyan);margin-bottom:16px;display:block}
.cat-card h3{font-size:17px;font-weight:800;margin-bottom:9px}
.cat-card p{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:14px}
.cat-card span.more{font-size:13px;font-weight:800;color:var(--lime);display:inline-flex;align-items:center;gap:7px}

/* ---------- NEWS ---------- */
.news-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:34px;align-items:start}
.news-list{display:grid;gap:16px}
.news-item{
  display:block;padding:22px 24px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(24,26,43,.85),rgba(10,11,20,.85));
  border:1px solid var(--line);transition:border-color .25s,transform .25s;
}
.news-item:hover{border-color:var(--line-lime);transform:translateX(4px)}
.news-item .meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--muted);margin-bottom:10px}
.news-item .meta b{color:var(--cyan);font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.news-item h3{font-size:16.5px;font-weight:800;line-height:1.45;margin-bottom:8px}
.news-item p{color:var(--muted);font-size:14px;line-height:1.7}
.side-panel{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  background:linear-gradient(170deg,rgba(18,19,31,.95),rgba(8,9,16,.95));
}
.side-panel h3{font-size:15px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--lime);margin-bottom:16px}
.side-panel ul{display:grid;gap:14px}
.side-panel li a{display:block;font-size:14px;font-weight:600;color:var(--muted-2);line-height:1.55;transition:color .2s}
.side-panel li a:hover{color:var(--lime)}
.side-panel li span{display:block;font-size:12px;color:var(--muted);margin-top:5px}
.empty-note{color:var(--muted);font-size:14.5px;padding:26px;border:1px dashed var(--line);border-radius:var(--radius)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:14px;max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(170deg,rgba(20,21,35,.9),rgba(9,10,18,.9));
  transition:border-color .25s;
}
.faq-item[open]{border-color:var(--line-lime)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:15.5px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--lime);transition:transform .25s;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:14.5px;line-height:1.75}

/* ---------- FINAL CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;border-top:1px solid var(--line);
  background-image:linear-gradient(120deg,rgba(4,4,10,.94),rgba(6,22,28,.86)),url('/assets/images/17d535c9119870bc.jpg');
  background-size:cover;background-position:center;
}
.final-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;position:relative;z-index:2}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-form input{
  flex:1 1 240px;min-width:0;padding:14px 20px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#fff;
  transition:border-color .2s,background .2s;
}
.cta-form input::placeholder{color:#64748B}
.cta-form input:focus{border-color:var(--line-lime);background:rgba(163,230,53,.06);outline:none}
.form-note{margin-top:14px;font-size:13.5px;color:var(--lime);min-height:20px}
.cta-panel{
  border:1px solid rgba(6,182,212,.3);border-radius:var(--radius-lg);padding:28px;
  background:rgba(9,10,18,.72);backdrop-filter:blur(8px);
}
.cta-panel ul{display:grid;gap:13px}
.cta-panel li{display:flex;gap:11px;font-size:14px;color:var(--muted-2);align-items:flex-start}
.cta-panel li i{color:var(--cyan);margin-top:4px}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:38px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.75;margin-top:16px;max-width:340px}
.footer-col h4{font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:var(--muted);font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--lime)}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.footer-badges span{
  font-size:11.5px;font-weight:700;color:var(--muted-2);
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;
}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
}
.footer-bottom p{color:var(--muted);font-size:13px}
.footer-bottom .age{color:var(--muted-2);font-weight:700;font-size:12.5px;border:1px solid var(--line);padding:5px 11px;border-radius:8px}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px;border-radius:999px;min-height:52px;
  background:
    linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)) padding-box,
    linear-gradient(135deg,var(--lime),var(--cyan)) border-box;
  border:1px solid transparent;
  color:#fff;font-size:13.5px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 0 20px rgba(6,182,212,.42);
  opacity:.8;cursor:pointer;
  transition:opacity .25s,transform .25s,box-shadow .3s;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab i{color:var(--lime);font-size:16px}
.fab:hover{opacity:1;transform:scale(1.05);box-shadow:0 0 30px rgba(6,182,212,.7)}
.fab:active{transform:scale(.96)}
.fab .dot{
  position:absolute;top:2px;right:6px;width:11px;height:11px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 0 2px #07070D;animation:dotPulse 1.6s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35)}50%{box-shadow:0 0 30px rgba(163,230,53,.55)}}
@keyframes dotPulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .split{grid-template-columns:1fr;gap:30px}
  .pipeline{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-4,.price-grid,.cat-grid,.guide-wrap{grid-template-columns:repeat(2,1fr)}
  .demo-grid{grid-template-columns:1fr;gap:28px}
  .news-layout{grid-template-columns:1fr}
  .final-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .nav-toggle{display:inline-flex}
  .nav-links{
    display:none;position:absolute;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    background:rgba(7,7,13,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;backdrop-filter:blur(16px);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:12px}
}
@media (max-width:768px){
  :root{--header-h:66px}
  section{padding:56px 0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-bottom:1px solid var(--line)}
  .stat-item:nth-child(2n){border-right:0}
  .grid-3,.grid-4,.price-grid,.cat-grid,.guide-wrap,.grid-2{grid-template-columns:1fr}
  .pipeline{grid-template-columns:1fr}
  .data-bar{grid-template-columns:1fr}
  .data-item{border-right:0;border-bottom:1px solid var(--line)}
  .data-item:last-child{border-bottom:0}
  .ring-wrap{flex-direction:column;align-items:flex-start;gap:16px}
  .footer-grid{grid-template-columns:1fr}
  .logo-text strong{font-size:13px;white-space:normal}
  .logo-text span{font-size:10px}
  .hero{padding:44px 0 54px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:25px;letter-spacing:-.5px}
  .hero-cta .btn{width:100%}
  .cta-form input{flex:1 1 100%}
  .cta-form .btn{width:100%}
  .header-actions .btn{padding:9px 13px;font-size:12.5px}
  .fab{left:12px;bottom:86px;padding:11px 16px;font-size:12.5px}
  .logo-mark{width:36px;height:36px;flex:0 0 36px;font-size:13px}
}

/* roulang page: article */
:root{
  --bg:#07070D;
  --bg-deep:#04040A;
  --bg-soft:#0E0E1E;
  --surface:#12131F;
  --surface-2:#181A2B;
  --lime:#A3E635;
  --lime-soft:rgba(163,230,53,.12);
  --cyan:#06B6D4;
  --cyan-soft:rgba(6,182,212,.12);
  --pink:#F43F5E;
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted-2:#CBD5E1;
  --line:rgba(148,163,184,.16);
  --line-lime:rgba(163,230,53,.42);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 45px rgba(0,0,0,.5);
  --glow-lime:0 0 24px rgba(163,230,53,.35);
  --glow-cyan:0 0 24px rgba(6,182,212,.4);
  --header-h:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:rgba(7,7,13,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;min-width:0}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  display:grid;place-items:center;color:#04120a;font-weight:900;font-size:15px;
  box-shadow:var(--glow-lime);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.logo-text strong{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:230px}
.logo-text span{font-size:11px;color:var(--lime);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted-2);
  transition:color .2s,background .2s,border-color .2s;border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--lime);background:var(--lime-soft);border-color:rgba(163,230,53,.28)}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--line-lime);color:var(--lime)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 24px;font-weight:700;font-size:14.5px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  color:#04120a;box-shadow:0 0 22px rgba(163,230,53,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(163,230,53,.58)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#e2e8f0}
.btn-ghost:hover{border-color:var(--line-lime);color:#fff;background:rgba(163,230,53,.09)}
.btn-text{background:transparent;border-color:rgba(148,163,184,.35);color:var(--muted-2)}
.btn-text:hover{color:var(--lime);border-color:var(--lime)}
.btn-sm{padding:9px 17px;font-size:13.5px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

/* ---------- LAYOUT ---------- */
main{padding-top:var(--header-h)}
section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#090A14 0%,#0E0E1E 100%)}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
  color:var(--lime);background:var(--lime-soft);
  border:1px solid rgba(163,230,53,.26);padding:6px 13px;border-radius:999px;
}
.eyebrow.cyan{color:var(--cyan);background:var(--cyan-soft);border-color:rgba(6,182,212,.3)}
.section-title{
  font-size:clamp(24px,3.3vw,36px);line-height:1.25;font-weight:800;
  letter-spacing:-.5px;margin:16px 0 14px;max-width:900px;
}
.section-lead{color:var(--muted);font-size:15.5px;max-width:780px;line-height:1.7}
.section-head{margin-bottom:38px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto;max-width:820px}
.section-head.center .section-lead{margin:0 auto}

/* ---------- ARTICLE HERO ---------- */
.article-hero{
  padding:34px 0 56px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(900px 420px at 10% -12%,rgba(6,182,212,.18),transparent 62%),
    radial-gradient(760px 400px at 92% -6%,rgba(163,230,53,.12),transparent 64%),
    var(--bg-deep);
}
.breadcrumb{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--muted-2);transition:color .2s}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb i{font-size:10px;opacity:.6}
.article-hero h1{
  font-size:clamp(25px,3.7vw,43px);line-height:1.22;font-weight:900;
  letter-spacing:-.9px;margin:16px 0 18px;max-width:980px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--muted-2);margin-bottom:30px}
.article-meta i{color:var(--cyan);margin-right:7px}
.article-cover{position:relative;margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(6,182,212,.28);box-shadow:var(--shadow)}
.article-cover img{width:100%;height:clamp(220px,38vw,430px);object-fit:cover}
.article-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,7,13,.02) 0%,rgba(7,7,13,.82) 100%)}
.article-cover figcaption{position:absolute;left:26px;right:26px;bottom:20px;z-index:2;font-size:13.5px;color:var(--muted-2);max-width:760px}
.pull-quote{
  margin:34px 0 0;padding:26px 30px;border-left:3px solid var(--lime);
  background:linear-gradient(120deg,rgba(163,230,53,.10),rgba(6,182,212,.08));
  border-radius:0 var(--radius) var(--radius) 0;
}
.pull-quote p{font-size:clamp(17px,2vw,21.5px);line-height:1.6;font-weight:600;color:#fff;margin:0 0 12px}
.pull-quote cite{font-size:13px;color:var(--lime);font-style:normal;font-weight:700;letter-spacing:.03em}

/* ---------- FACT BAND ---------- */
.fact-band{border-top:1px solid var(--line);background:var(--bg-soft);padding:0}
.fact-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border-left:1px solid var(--line);border-right:1px solid var(--line)}
.fact-item{background:var(--surface);padding:26px 22px}
.fact-item strong{
  display:block;font-size:clamp(20px,2.6vw,29px);font-weight:900;line-height:1.15;
  background:linear-gradient(120deg,var(--lime),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.fact-item span{display:block;margin-top:7px;font-size:13.5px;color:var(--muted)}

/* ---------- ARTICLE BODY ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 322px;gap:50px;align-items:start}
.article-body{font-size:16.5px;line-height:1.75;color:#DCE3EE}
.article-body h2{font-size:clamp(21px,2.5vw,29px);line-height:1.3;font-weight:800;color:#fff;margin:42px 0 14px;letter-spacing:-.4px}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:clamp(18px,2vw,22px);font-weight:700;color:#fff;margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:#fff;margin:24px 0 10px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul li{list-style:disc;margin-bottom:9px}
.article-body ol li{list-style:decimal;margin-bottom:9px}
.article-body strong{color:#fff}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(6,182,212,.4);transition:color .2s,border-color .2s}
.article-body a:hover{color:var(--lime);border-color:var(--lime)}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-left:3px solid var(--cyan);
  background:rgba(6,182,212,.08);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#E6EEF8;
}
.article-body img{border-radius:var(--radius);margin:22px 0;border:1px solid var(--line)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:var(--surface-2);color:#fff;font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body code{background:rgba(163,230,53,.1);color:var(--lime);padding:2px 7px;border-radius:6px;font-size:14.5px}
.article-side{
  position:sticky;top:calc(var(--header-h) + 22px);
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;
}
.article-side h3{font-size:12.5px;text-transform:uppercase;letter-spacing:.13em;color:var(--lime);margin:0 0 16px}
.article-side ul{display:grid;gap:2px;margin-bottom:20px}
.article-side li{display:flex;gap:11px;font-size:14.5px;color:var(--muted-2);padding:11px 0;border-bottom:1px dashed var(--line);line-height:1.55}
.article-side li:last-child{border-bottom:0}
.article-side li i{color:var(--cyan);margin-top:4px;font-size:13px}
.article-side .side-note{font-size:12.5px;color:var(--muted);margin:14px 0 0;line-height:1.6}
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);padding:36px 32px}
.empty-state h2{margin:0 0 12px;font-size:24px}
.empty-state p{color:var(--muted);margin:0 0 22px}

/* ---------- FEATURE CARDS ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.feature-card{
  background:linear-gradient(160deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--line-lime);box-shadow:0 0 28px rgba(163,230,53,.18)}
.fc-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--cyan-soft);border:1px solid rgba(6,182,212,.32);
  color:var(--cyan);font-size:18px;margin-bottom:18px;
}
.feature-card h3{font-size:18px;font-weight:800;margin:0 0 10px;letter-spacing:-.2px}
.feature-card p{margin:0;color:var(--muted);font-size:14.8px;line-height:1.7}

/* ---------- STEPS ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;counter-reset:step}
.step{position:relative;padding-top:56px}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;top:0;left:0;width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;font-weight:900;font-size:14px;color:#04120a;
  background:linear-gradient(135deg,var(--lime),var(--cyan));box-shadow:var(--glow-lime);
}
.step h3{font-size:17px;font-weight:800;margin:0 0 9px}
.step p{margin:0;color:var(--muted);font-size:14.6px;line-height:1.7}

/* ---------- CHECKLIST / TABLE ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:36px}
.check-col{border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;background:var(--surface)}
.check-col.good{border-color:rgba(163,230,53,.32)}
.check-col.bad{border-color:rgba(244,63,94,.3)}
.check-col h3{font-size:16.5px;font-weight:800;margin:0 0 16px;display:flex;align-items:center;gap:10px}
.check-col.good h3 i{color:var(--lime)}
.check-col.bad h3 i{color:var(--pink)}
.check-col ul{display:grid;gap:12px}
.check-col li{display:flex;gap:11px;font-size:14.8px;color:var(--muted-2);line-height:1.65}
.check-col li i{margin-top:5px;font-size:13px}
.check-col.good li i{color:var(--lime)}
.check-col.bad li i{color:var(--pink)}
.data-table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:15px}
.data-table th{background:var(--surface-2);color:#fff;font-weight:700;text-align:left;padding:15px 18px;border-bottom:1px solid var(--line);font-size:13.5px;text-transform:uppercase;letter-spacing:.06em}
.data-table td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--muted-2);vertical-align:top}
.data-table tr:last-child td{border-bottom:0}
.data-table td.hl{color:var(--lime);font-weight:700}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .25s,background .25s}
.faq-item[open]{border-color:var(--line-lime);background:var(--surface-2)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:19px 22px;font-weight:700;font-size:15.5px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--lime);font-size:12px;transition:transform .25s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 22px 22px;color:var(--muted-2);font-size:15px;line-height:1.72}

/* ---------- RELATED ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.related-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-lime);box-shadow:0 0 26px rgba(6,182,212,.2)}
.related-card img{width:100%;height:190px;object-fit:cover}
.related-card h3{font-size:16.5px;font-weight:800;margin:18px 20px 10px;line-height:1.45}
.related-card p{margin:0 20px 18px;color:var(--muted);font-size:14.5px;line-height:1.68}
.related-more{
  margin:auto 20px 20px;font-size:13.5px;font-weight:700;color:var(--cyan);
  display:inline-flex;align-items:center;gap:8px;
}
.related-card:hover .related-more{color:var(--lime)}

/* ---------- CTA ---------- */
.cta-panel{
  background:linear-gradient(120deg,rgba(163,230,53,.12),rgba(6,182,212,.14)),var(--surface);
  border:1px solid rgba(163,230,53,.3);border-radius:var(--radius-lg);
  padding:40px;display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(22px,2.9vw,32px);font-weight:900;line-height:1.26;margin:14px 0 14px;letter-spacing:-.5px}
.cta-panel .cta-lead{color:var(--muted-2);font-size:15.5px;line-height:1.72;margin:0 0 22px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px}
.cta-points span{
  font-size:13px;font-weight:600;color:var(--muted-2);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  padding:8px 14px;border-radius:999px;
}
.cta-points i{color:var(--lime);margin-right:7px}
.cta-form{background:rgba(4,4,10,.55);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.cta-form h3{font-size:16px;font-weight:800;margin:0 0 18px;color:#fff}
.field{margin-bottom:15px}
.field label{display:block;font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#fff;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input::placeholder{color:#64748B}
.field input:focus,.field select:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(163,230,53,.18);background:rgba(255,255,255,.08)}
.form-note{font-size:12.5px;color:var(--muted);margin:14px 0 0;line-height:1.6}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:58px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:38px}
.footer-brand p{color:var(--muted);font-size:14.5px;margin:18px 0 18px;max-width:390px;line-height:1.7}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{
  font-size:12px;font-weight:700;color:var(--muted-2);
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;background:rgba(255,255,255,.03);
}
.footer-col h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--lime);margin:0 0 16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:var(--muted-2);transition:color .2s}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);margin-top:40px;padding-top:20px;
  font-size:13.5px;color:var(--muted);
}
.footer-bottom .age{color:var(--muted-2);border:1px solid var(--line);border-radius:999px;padding:6px 13px;font-size:12.5px}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:11px;
  padding:11px 17px 11px 11px;border-radius:999px;
  color:#fff;font-weight:700;font-size:13.5px;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,var(--lime),var(--cyan));
  background-origin:border-box;background-clip:padding-box,border-box;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(6,182,212,.45);opacity:.82;
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 32px rgba(163,230,53,.55)}
.fab:active{transform:scale(.96)}
.fab-ico{
  width:36px;height:36px;flex:0 0 36px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--lime),var(--cyan));color:#04120a;font-size:14px;
  animation:fabPulse 2.8s ease-in-out infinite;
}
.fab-dot{
  position:absolute;top:7px;left:42px;width:9px;height:9px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 10px var(--pink);animation:fabBlink 1.5s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 0 rgba(163,230,53,.4)}50%{box-shadow:0 0 18px rgba(163,230,53,.8)}}
@keyframes fabBlink{0%,100%{opacity:1}50%{opacity:.3}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .nav-links{
    position:fixed;top:var(--header-h);left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:6px;margin-left:0;
    background:rgba(7,7,13,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;max-height:calc(100vh - var(--header-h));overflow-y:auto;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 15px;border-radius:12px}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .article-side{position:static}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fact-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:768px){
  section{padding:58px 0}
  .card-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .related-card img{height:210px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .article-hero{padding:26px 0 46px}
  .logo-text strong{max-width:150px;font-size:13px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{gap:10px}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;font-size:13px;border-radius:11px}
  .logo-text strong{font-size:12px;max-width:112px}
  .logo-text span{display:none}
  .btn-sm{padding:8px 13px;font-size:12.5px}
  .header-actions{gap:6px}
  .nav-toggle{width:38px;height:38px}
  .steps{grid-template-columns:1fr;gap:26px}
  .fact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-panel{padding:24px}
  .cta-form{padding:20px}
  .article-side{padding:20px}
  .fab{padding:9px;bottom:86px;left:14px}
  .fab .fab-label{display:none}
  .fab-dot{left:auto;right:2px}
  .pull-quote{padding:20px 20px}
}

/* roulang page: category1 */
:root{
  --bg:#07070D;
  --bg-deep:#04040A;
  --bg-soft:#0E0E1E;
  --surface:#12131F;
  --surface-2:#181A2B;
  --lime:#A3E635;
  --lime-soft:rgba(163,230,53,.12);
  --cyan:#06B6D4;
  --cyan-soft:rgba(6,182,212,.12);
  --pink:#F43F5E;
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted-2:#CBD5E1;
  --line:rgba(148,163,184,.16);
  --line-lime:rgba(163,230,53,.42);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 45px rgba(0,0,0,.5);
  --glow-lime:0 0 24px rgba(163,230,53,.35);
  --glow-cyan:0 0 24px rgba(6,182,212,.4);
  --header-h:66px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0}
p{margin:0}
button,input{font-family:inherit;font-size:inherit}
::selection{background:var(--lime);color:#04120a}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:rgba(7,7,13,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  display:grid;place-items:center;color:#04120a;font-weight:900;font-size:15px;
  box-shadow:var(--glow-lime);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.logo-text span{font-size:11px;color:var(--lime);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted-2);
  transition:color .2s,background .2s,border-color .2s;border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--lime);background:var(--lime-soft);border-color:rgba(163,230,53,.28)}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:#fff;cursor:pointer;align-items:center;justify-content:center;
}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 24px;font-weight:700;font-size:14.5px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  color:#04120a;box-shadow:0 0 22px rgba(163,230,53,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(163,230,53,.58)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#e2e8f0}
.btn-ghost:hover{border-color:var(--line-lime);color:#fff;background:rgba(163,230,53,.09)}
.btn-text{background:transparent;border-color:rgba(148,163,184,.35);color:var(--muted-2)}
.btn-text:hover{color:var(--lime);border-color:var(--lime)}
.btn-sm{padding:9px 17px;font-size:13.5px}
.btn-block{width:100%}

/* ---------- LAYOUT ---------- */
main{padding-top:var(--header-h)}
section{padding:74px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#090A14 0%,#0E0E1E 100%)}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
  color:var(--lime);background:var(--lime-soft);
  border:1px solid rgba(163,230,53,.26);padding:6px 13px;border-radius:999px;
}
.eyebrow.cyan{color:var(--cyan);background:var(--cyan-soft);border-color:rgba(6,182,212,.3)}
.section-title{
  font-size:clamp(23px,3.2vw,34px);line-height:1.25;font-weight:800;
  letter-spacing:-.5px;margin:16px 0 14px;max-width:900px;
}
.section-lead{color:var(--muted);font-size:15.5px;max-width:800px;line-height:1.7}
.section-head{margin-bottom:36px}
.grid-auto{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid-2{display:grid;gap:34px;grid-template-columns:1fr 1fr;align-items:center}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:60px 0 0;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(4,4,10,.96) 0%,rgba(7,7,13,.9) 45%,rgba(6,20,26,.8) 100%),url('/assets/images/f2cc99b65f9043f7.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(163,230,53,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(163,230,53,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.55;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:start;padding-bottom:54px}
.hero h1{
  font-size:clamp(26px,3.9vw,44px);line-height:1.2;font-weight:900;letter-spacing:-1px;
  margin:20px 0 18px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--lime),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted-2);font-size:16px;line-height:1.72;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin:26px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  color:var(--muted-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);padding:8px 14px;border-radius:999px;
}
.hero-points i{color:var(--lime)}

/* before / after card */
.ba-card{
  background:linear-gradient(160deg,rgba(24,26,43,.95),rgba(10,11,20,.95));
  border:1px solid rgba(6,182,212,.3);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow);
}
.ba-card h2{font-size:17px;font-weight:800;margin-bottom:6px}
.ba-card .ba-sub{color:var(--muted);font-size:13px;margin-bottom:18px}
.ba-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.ba-col{border-radius:var(--radius);padding:16px 15px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.ba-col h3{font-size:13.5px;font-weight:800;margin:9px 0 10px}
.ba-tag{
  display:inline-block;font-size:10.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;
}
.ba-before .ba-tag{color:#FCA5A5;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.32)}
.ba-after .ba-tag{color:var(--lime);background:var(--lime-soft);border:1px solid rgba(163,230,53,.3)}
.ba-col li{display:flex;gap:9px;font-size:13px;line-height:1.55;color:var(--muted-2);margin-bottom:9px}
.ba-before li i{color:var(--pink);margin-top:4px;font-size:11px}
.ba-after li i{color:var(--lime);margin-top:4px;font-size:11px}
.hero-stats{
  position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);background:rgba(4,4,10,.6);
}
.hero-stats div{padding:20px 18px;border-right:1px solid var(--line)}
.hero-stats div:last-child{border-right:0}
.hero-stats strong{display:block;font-size:20px;font-weight:900;color:var(--lime);letter-spacing:-.5px}
.hero-stats span{font-size:12.5px;color:var(--muted)}

/* ---------- STEPS ---------- */
.step-list{display:grid;gap:16px}
.step-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  padding:20px 22px;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(18,19,31,.9),rgba(14,14,30,.6));
  transition:border-color .25s,transform .25s,background .25s;
}
.step-item:hover{border-color:var(--line-lime);transform:translateX(4px)}
.step-num{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  font-weight:900;font-size:19px;color:#04120a;
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  box-shadow:0 0 18px rgba(163,230,53,.28);
}
.step-item h3{font-size:16.5px;font-weight:800;margin-bottom:7px}
.step-item p{color:var(--muted);font-size:14.5px;line-height:1.68}

/* ---------- FEATURE CARDS ---------- */
.feature-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;
  background:rgba(255,255,255,.02);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.feature-card:hover{border-color:rgba(6,182,212,.42);transform:translateY(-4px);box-shadow:0 16px 34px rgba(0,0,0,.45)}
.feature-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--cyan-soft);border:1px solid rgba(6,182,212,.3);color:var(--cyan);font-size:17px;margin-bottom:14px;
}
.feature-card h3{font-size:15.5px;font-weight:800;margin-bottom:8px}
.feature-card p{color:var(--muted);font-size:14px;line-height:1.68}

/* ---------- SCENARIO CARDS ---------- */
.scene-card{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--surface);display:flex;flex-direction:column;
  transition:transform .3s,border-color .3s,box-shadow .3s;
}
.scene-card:hover{transform:translateY(-6px);border-color:rgba(163,230,53,.4);box-shadow:0 22px 42px rgba(0,0,0,.5)}
.scene-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scene-card:hover .scene-media img{transform:scale(1.06)}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,4,10,.1),rgba(4,4,10,.85))}
.scene-badge{
  position:absolute;top:12px;left:12px;z-index:2;font-size:11px;font-weight:800;
  letter-spacing:.1em;text-transform:uppercase;padding:5px 11px;border-radius:999px;
  color:#04120a;background:linear-gradient(135deg,var(--lime),var(--cyan));
}
.scene-body{padding:20px;flex:1;display:flex;flex-direction:column;gap:9px}
.scene-body h3{font-size:16.5px;font-weight:800}
.scene-body p{color:var(--muted);font-size:14px;line-height:1.68}

/* ---------- DEMO ---------- */
.demo-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(6,182,212,.3);
  box-shadow:var(--shadow);background:var(--surface);
}
.demo-media img{width:100%;height:auto}
.demo-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line);
}
.demo-list li:last-child{border-bottom:0}
.demo-list i{color:var(--cyan);font-size:15px;margin-top:4px}
.demo-list strong{display:block;font-size:15px;font-weight:800;margin-bottom:4px}
.demo-list span{color:var(--muted);font-size:14px;line-height:1.65}

/* ---------- TABLE ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.02)}
table.compare{width:100%;border-collapse:collapse;min-width:640px}
table.compare th,table.compare td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line)}
table.compare thead th{
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);
  background:rgba(255,255,255,.03);font-weight:800;
}
table.compare thead th:nth-child(3){color:var(--lime)}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:rgba(163,230,53,.04)}
table.compare td:first-child{font-weight:700;color:var(--muted-2)}
table.compare td.ai{color:var(--muted-2)}
table.compare td.ai i{color:var(--lime);margin-right:7px;font-size:12px}
table.compare td.manual{color:var(--muted)}
table.compare td.manual i{color:var(--pink);margin-right:7px;font-size:12px}

/* ---------- CATEGORY MATRIX ---------- */
.cat-card{
  display:flex;flex-direction:column;gap:10px;padding:24px 22px;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(140deg,rgba(18,19,31,.95),rgba(9,10,20,.9));
  transition:border-color .28s,transform .28s,box-shadow .28s;
}
.cat-card:hover{border-color:var(--line-lime);transform:translateY(-5px);box-shadow:0 20px 38px rgba(0,0,0,.5)}
.cat-card .cat-kicker{font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan)}
.cat-card h3{font-size:18px;font-weight:800}
.cat-card p{color:var(--muted);font-size:14px;line-height:1.68}
.cat-card .cat-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--lime);display:inline-flex;align-items:center;gap:8px}
.cat-card:hover .cat-more i{transform:translateX(4px)}
.cat-card .cat-more i{transition:transform .25s}

/* ---------- TESTIMONIALS ---------- */
.quote-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;
  background:rgba(255,255,255,.02);display:flex;flex-direction:column;gap:12px;
}
.quote-card .stars{color:#FACC15;font-size:12.5px;letter-spacing:2px}
.quote-card p{color:var(--muted-2);font-size:14.5px;line-height:1.7}
.quote-who{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.quote-av{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;
  color:#04120a;background:linear-gradient(135deg,var(--lime),var(--cyan));
}
.quote-who strong{display:block;font-size:14px}
.quote-who span{font-size:12px;color:var(--muted)}

/* ---------- CMS LIST ---------- */
.post-grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.post-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;
  background:rgba(255,255,255,.02);display:flex;flex-direction:column;gap:11px;
  transition:border-color .25s,transform .25s;
}
.post-card:hover{border-color:rgba(163,230,53,.38);transform:translateY(-4px)}
.post-card h3{font-size:15.5px;font-weight:800;line-height:1.45}
.post-card h3 a:hover{color:var(--lime)}
.post-card p{color:var(--muted);font-size:13.8px;line-height:1.65}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}
.post-meta .pm-cat{color:var(--cyan);font-weight:700}
.post-empty{color:var(--muted);font-size:14.5px;border:1px dashed var(--line);border-radius:var(--radius);padding:26px;text-align:center}
.list-foot{margin-top:26px}

/* ---------- FAQ ---------- */
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.02);
  margin-bottom:12px;overflow:hidden;transition:border-color .25s;
}
.faq-item:hover{border-color:rgba(6,182,212,.34)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 22px;font-weight:700;font-size:15.5px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--lime);
  transition:transform .25s;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.72}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border:1px solid rgba(163,230,53,.32);border-radius:var(--radius-lg);
  padding:38px 34px;background-image:linear-gradient(105deg,rgba(4,4,10,.94),rgba(6,20,26,.86)),url('/assets/images/17d535c9119870bc.jpg');
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:900;line-height:1.28;margin-bottom:12px;max-width:720px}
.cta-band p{color:var(--muted-2);font-size:15px;line-height:1.7;max-width:680px}
.cta-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:24px}
.cta-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-note span{
  font-size:12.5px;font-weight:700;color:var(--muted-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);padding:6px 12px;border-radius:999px;
}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.7;margin:16px 0 18px;max-width:340px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{
  font-size:11.5px;font-weight:700;color:var(--muted-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);padding:5px 11px;border-radius:999px;
}
.footer-col h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--lime);margin-bottom:14px}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:14px;color:var(--muted);transition:color .2s,padding-left .2s}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:13px;
}
.footer-bottom .age{border:1px solid var(--line);padding:5px 12px;border-radius:999px;font-weight:700;color:var(--muted-2)}

/* ---------- FAB ---------- */
.fab{
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:rgba(7,7,13,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  color:var(--lime);font-size:20px;border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.92),rgba(7,7,13,.92)),linear-gradient(135deg,var(--lime),var(--cyan));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.78;transition:transform .25s,opacity .25s,box-shadow .25s;
  animation:fabPulse 2.6s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(163,230,53,.6)}
.fab:active{transform:scale(.94)}
.fab i{position:relative;z-index:2}
.fab-dot{
  position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);border:2px solid #07070D;animation:dotBlink 1.6s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.4)}50%{box-shadow:0 0 30px rgba(163,230,53,.55)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .grid-2{grid-template-columns:1fr;gap:26px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stats div:nth-child(2){border-right:0}
  .hero-stats div:nth-child(1),.hero-stats div:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .nav-links{
    position:fixed;top:var(--header-h);left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:14px 20px 20px;background:rgba(7,7,13,.98);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;
  }
  .nav-links.open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav-links a{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  section{padding:56px 0}
  .ba-grid{grid-template-columns:1fr}
  .hero{padding-top:46px}
  .step-item{grid-template-columns:46px 1fr;gap:14px;padding:18px}
  .step-num{width:46px;height:46px;border-radius:13px;font-size:16px}
  .cta-band{padding:28px 22px}
}
@media (max-width:520px){
  .container{padding:0 15px}
  .logo-text strong{font-size:12.5px;white-space:normal;line-height:1.2}
  .logo-text span{font-size:10px}
  .logo-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:13px}
  .header-actions{gap:6px}
  .btn-sm{padding:8px 13px;font-size:12.5px}
  .hero-stats{grid-template-columns:1fr}
  .hero-stats div{border-right:0;border-bottom:1px solid var(--line)}
  .hero-stats div:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta .btn{width:100%}
  .cta-actions .btn{width:100%}
  .fab{width:52px;height:52px;font-size:18px}
}

/* roulang page: category3 */
:root{
  --bg:#07070D;
  --bg-deep:#04040A;
  --bg-soft:#0E0E1E;
  --surface:#12131F;
  --surface-2:#181A2B;
  --lime:#A3E635;
  --lime-soft:rgba(163,230,53,.12);
  --cyan:#06B6D4;
  --cyan-soft:rgba(6,182,212,.12);
  --pink:#F43F5E;
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted-2:#CBD5E1;
  --line:rgba(148,163,184,.16);
  --line-lime:rgba(163,230,53,.42);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 45px rgba(0,0,0,.5);
  --glow-lime:0 0 24px rgba(163,230,53,.35);
  --glow-cyan:0 0 24px rgba(6,182,212,.4);
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:rgba(7,7,13,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  display:grid;place-items:center;color:#04120a;font-weight:900;font-size:15px;
  box-shadow:var(--glow-lime);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.logo-text span{font-size:11px;color:var(--lime);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted-2);
  transition:color .2s,background .2s,border-color .2s;border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--lime);background:var(--lime-soft);border-color:rgba(163,230,53,.28)}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--line-lime);color:var(--lime)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 24px;font-weight:700;font-size:14.5px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  color:#04120a;box-shadow:0 0 22px rgba(163,230,53,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(163,230,53,.58)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#e2e8f0}
.btn-ghost:hover{border-color:var(--line-lime);color:#fff;background:rgba(163,230,53,.09)}
.btn-text{background:transparent;border-color:rgba(148,163,184,.35);color:var(--muted-2)}
.btn-text:hover{color:var(--lime);border-color:var(--lime)}
.btn-sm{padding:9px 17px;font-size:13.5px}
.btn-block{width:100%}

/* ---------- LAYOUT ---------- */
main{padding-top:var(--header-h)}
section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#090A14 0%,#0E0E1E 100%)}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
  color:var(--lime);background:var(--lime-soft);
  border:1px solid rgba(163,230,53,.26);padding:6px 13px;border-radius:999px;
}
.eyebrow.cyan{color:var(--cyan);background:var(--cyan-soft);border-color:rgba(6,182,212,.3)}
.section-title{
  font-size:clamp(24px,3.3vw,36px);line-height:1.25;font-weight:800;
  letter-spacing:-.5px;margin:16px 0 14px;max-width:900px;
}
.section-lead{color:var(--muted);font-size:15.5px;max-width:780px;line-height:1.7}
.section-head{margin-bottom:38px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto;max-width:820px}
.section-head.center .section-lead{margin:0 auto}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  letter-spacing:.05em;text-transform:uppercase;padding:5px 11px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted-2);background:rgba(255,255,255,.03);
}
.tag-lime{color:var(--lime);border-color:rgba(163,230,53,.3);background:var(--lime-soft)}
.tag-cyan{color:var(--cyan);border-color:rgba(6,182,212,.3);background:var(--cyan-soft)}
.tag-pink{color:#FDA4AF;border-color:rgba(244,63,94,.32);background:rgba(244,63,94,.1)}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:58px 0 72px;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(4,4,10,.97) 0%,rgba(7,7,13,.9) 46%,rgba(6,20,26,.8) 100%),url('/assets/images/7d02aad932f06396.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(163,230,53,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(163,230,53,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.55;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center}
.crumb{display:flex;align-items:center;gap:9px;font-size:12.5px;color:var(--muted);margin-bottom:16px;font-weight:600}
.crumb a:hover{color:var(--lime)}
.crumb i{font-size:9px;opacity:.6}
.hero h1{
  font-size:clamp(27px,4vw,45px);line-height:1.2;font-weight:900;letter-spacing:-1px;
  margin:18px 0 18px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--lime),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted-2);font-size:16px;line-height:1.72;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin:28px 0 24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  color:var(--muted-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);padding:8px 14px;border-radius:999px;
}
.hero-points i{color:var(--lime)}
.tier-panel{
  background:linear-gradient(160deg,rgba(24,26,43,.95),rgba(9,10,18,.95));
  border:1px solid rgba(6,182,212,.3);border-radius:var(--radius-lg);
  padding:28px 26px;box-shadow:var(--shadow);
}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.tier-top h2{font-size:15px;font-weight:800;margin:0;letter-spacing:-.2px}
.tier-top span{font-size:11.5px;font-weight:700;color:var(--cyan);text-transform:uppercase;letter-spacing:.12em}
.tier-row{padding:16px 0;border-bottom:1px dashed rgba(148,163,184,.18)}
.tier-row:last-of-type{border-bottom:0}
.tier-row-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.tier-row-head h3{font-size:14.5px;font-weight:800;margin:0}
.tier-row-head b{font-size:13px;color:var(--lime);font-weight:800}
.tier-row p{margin:7px 0 10px;font-size:13.5px;color:var(--muted);line-height:1.6}
.tier-bar{height:6px;border-radius:99px;background:rgba(148,163,184,.16);overflow:hidden}
.tier-bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--lime),var(--cyan))}
.tier-panel .btn{margin-top:20px}

/* ---------- PATTERN LIST ---------- */
.pattern-list{border-top:1px solid var(--line)}
.pattern-row{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:28px;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .25s ease,padding-left .25s ease;
}
.pattern-row:hover{background:rgba(163,230,53,.04)}
.pattern-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.pattern-index{
  font-family:'Inter',monospace;font-size:13px;font-weight:800;color:var(--cyan);
  border:1px solid rgba(6,182,212,.35);border-radius:10px;padding:3px 9px;letter-spacing:.08em;
}
.pattern-head h3{font-size:18px;font-weight:800;margin:0;letter-spacing:-.3px}
.pattern-body p{margin:0 0 12px;color:var(--muted-2);font-size:14.5px;line-height:1.68}
.pattern-meta{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 22px}
.pattern-meta li{font-size:13.5px;color:var(--muted);line-height:1.6}
.pattern-meta strong{color:var(--muted-2);font-weight:700}

/* ---------- ALGORITHM ---------- */
.algo-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:start}
.step-list{list-style:none;padding:0;margin:0;position:relative}
.step-list::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:1px;background:linear-gradient(180deg,var(--lime),rgba(6,182,212,.2))}
.step{position:relative;display:flex;gap:18px;padding:0 0 26px}
.step:last-child{padding-bottom:0}
.step-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:900;font-size:14px;color:#04120a;background:linear-gradient(135deg,var(--lime),var(--cyan));
  box-shadow:0 0 18px rgba(163,230,53,.28);z-index:2;
}
.step h3{margin:6px 0 7px;font-size:16.5px;font-weight:800;letter-spacing:-.2px}
.step p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.68}
.algo-visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative}
.algo-visual img{width:100%;height:320px;object-fit:cover;opacity:.92}
.algo-note{
  border:1px solid rgba(6,182,212,.28);background:rgba(6,182,212,.07);
  border-radius:var(--radius);padding:18px 20px;margin-top:18px;
}
.algo-note p{margin:0;font-size:14px;color:var(--muted-2);line-height:1.68}
.algo-note strong{color:#fff}

/* ---------- MISTAKES ---------- */
.mistake-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.mistake{
  display:flex;gap:14px;padding:20px 0;border-bottom:1px solid var(--line);
}
.mistake i{color:var(--pink);font-size:17px;margin-top:4px}
.mistake h3{margin:0 0 6px;font-size:15.5px;font-weight:800}
.mistake p{margin:0;font-size:14px;color:var(--muted);line-height:1.65}
.mistake p strong{color:var(--lime);font-weight:700}

/* ---------- STATS ---------- */
.stats-band{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(18,19,31,.9),rgba(9,10,18,.9));
  padding:34px 30px;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.stat{border-left:2px solid rgba(163,230,53,.4);padding-left:16px}
.stat b{display:block;font-size:clamp(24px,3vw,34px);font-weight:900;letter-spacing:-1px;
  background:linear-gradient(120deg,var(--lime),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- TIME GRID ---------- */
.time-grid{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.time-row{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:20px 26px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.015)}
.time-row:last-child{border-bottom:0}
.time-row:nth-child(even){background:rgba(255,255,255,.035)}
.time-slot{font-weight:800;font-size:15px;color:var(--lime);display:flex;align-items:center;gap:9px}
.time-slot i{font-size:13px;color:var(--cyan)}
.time-row p{margin:0;font-size:14.5px;color:var(--muted-2);line-height:1.68}

/* ---------- QUOTES ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote{
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  background:linear-gradient(160deg,rgba(24,26,43,.7),rgba(10,11,20,.7));
  transition:border-color .25s ease,transform .25s ease;
}
.quote:hover{border-color:var(--line-lime);transform:translateY(-4px)}
.quote i.mark{color:var(--lime);font-size:19px}
.quote blockquote{margin:14px 0 18px;font-size:14.5px;color:var(--muted-2);line-height:1.7}
.quote .who{display:flex;align-items:center;gap:11px;border-top:1px solid var(--line);padding-top:14px}
.who span.avatar{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:13px;
  background:linear-gradient(135deg,rgba(163,230,53,.9),rgba(6,182,212,.9));color:#04120a;
}
.who b{display:block;font-size:13.5px}
.who em{font-style:normal;font-size:12.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--line);padding:4px 0}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:16px;font-weight:700;color:#fff;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--lime)}
.faq-item summary i{color:var(--cyan);font-size:14px;transition:transform .25s ease}
.faq-item[open] summary i{transform:rotate(45deg);color:var(--lime)}
.faq-item p{margin:0 0 20px;color:var(--muted);font-size:14.5px;line-height:1.72;max-width:820px}

/* ---------- POST LIST ---------- */
.post-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:26px}
.post-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(170deg,rgba(24,26,43,.72),rgba(10,11,20,.85));
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-lime);box-shadow:0 18px 40px rgba(0,0,0,.5)}
.post-thumb{display:block;position:relative;overflow:hidden}
.post-thumb img{width:100%;height:180px;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-body h3{margin:12px 0 10px;font-size:16px;font-weight:800;line-height:1.45;letter-spacing:-.2px}
.post-body h3 a:hover{color:var(--lime)}
.post-body p{margin:0 0 16px;font-size:13.5px;color:var(--muted);line-height:1.65;flex:1}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:14px;font-size:12.5px;color:var(--muted)}
.post-link{font-weight:700;color:var(--lime);display:inline-flex;align-items:center;gap:7px}
.post-link:hover{color:#fff}
.list-empty{grid-column:1/-1;margin:0;padding:26px;border:1px dashed var(--line);border-radius:var(--radius);color:var(--muted);font-size:14.5px;text-align:center}

/* ---------- CTA ---------- */
.cta-band{
  border:1px solid rgba(163,230,53,.3);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(163,230,53,.1),rgba(6,182,212,.09) 55%,rgba(10,11,20,.9));
  padding:44px 40px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.8vw,31px);font-weight:900;letter-spacing:-.6px;margin:14px 0 14px;line-height:1.28}
.cta-band p{color:var(--muted-2);font-size:15px;line-height:1.7;margin:0 0 18px}
.cta-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.cta-list li{font-size:13px;font-weight:600;color:var(--muted-2);border:1px solid var(--line);border-radius:999px;padding:7px 13px;background:rgba(255,255,255,.03)}
.cta-list i{color:var(--lime);margin-right:6px}
.signup-form{background:rgba(7,7,13,.72);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.signup-form label{display:block;font-size:12.5px;font-weight:700;color:var(--muted-2);margin-bottom:7px;letter-spacing:.02em}
.signup-form input{
  width:100%;padding:13px 15px;border-radius:12px;margin-bottom:15px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#fff;
  transition:border-color .2s ease,background .2s ease;
}
.signup-form input::placeholder{color:#64748B}
.signup-form input:focus{border-color:var(--lime);background:rgba(163,230,53,.06);outline:none}
.signup-form small{display:block;margin-top:12px;font-size:12px;color:var(--muted);line-height:1.6}

/* ---------- FOOTER ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-deep);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{color:var(--muted);font-size:13.5px;line-height:1.7;margin:16px 0 18px;max-width:340px}
.footer-badges{display:flex;flex-wrap:wrap;gap:8px}
.footer-badges span{font-size:11.5px;font-weight:700;color:var(--muted-2);border:1px solid var(--line);border-radius:999px;padding:5px 11px;background:rgba(255,255,255,.03)}
.footer-col h4{font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:#fff;margin:6px 0 16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:12.5px;color:var(--muted)}
.footer-bottom .age{font-size:11.5px;font-weight:700;color:var(--muted-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 18px 11px 12px;border-radius:999px;
  background:linear-gradient(#0B0C16,#0B0C16) padding-box,
             linear-gradient(135deg,var(--lime),var(--cyan)) border-box;
  border:1px solid transparent;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .3s ease;
  animation:fabPulse 2.6s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 32px rgba(163,230,53,.6)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab-icon{
  width:34px;height:34px;border-radius:999px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--lime),var(--cyan));color:#04120a;font-size:14px;
}
.fab-text{font-size:13.5px;font-weight:800;color:#fff;letter-spacing:.02em}
.fab-dot{position:absolute;top:4px;right:8px;width:9px;height:9px;border-radius:99px;background:var(--pink);box-shadow:0 0 0 2px #07070D;animation:dotBlink 1.6s infinite}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(6,182,212,.35)}50%{box-shadow:0 0 30px rgba(163,230,53,.55)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .nav-links{
    position:absolute;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 20px 22px;margin:0;display:none;
    background:rgba(7,7,13,.97);border-bottom:1px solid var(--line);
    backdrop-filter:blur(16px);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero{padding:44px 0 58px}
  .algo-grid{grid-template-columns:1fr;gap:30px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:22px}
  .quote-grid{grid-template-columns:1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{grid-template-columns:1fr;padding:34px 26px}
}
@media (max-width:768px){
  :root{--header-h:66px}
  section{padding:58px 0}
  .logo-text span{display:none}
  .logo-text strong{font-size:12.5px}
  .pattern-row{grid-template-columns:1fr;gap:14px;padding:22px 0}
  .pattern-meta{grid-template-columns:1fr;gap:8px}
  .mistake-grid{grid-template-columns:1fr}
  .time-row{grid-template-columns:1fr;gap:8px;padding:18px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-brand p{max-width:none}
  .algo-visual img{height:240px}
}
@media (max-width:520px){
  .container{padding:0 15px}
  .header-actions .btn-text{display:none}
  .logo-text strong{max-width:112px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .hero h1{font-size:25px}
  .hero-cta .btn{width:100%}
  .stats-grid{grid-template-columns:1fr;gap:18px}
  .stats-band{padding:26px 20px}
  .fab{bottom:84px;padding:9px 14px 9px 10px}
  .fab-text{display:none}
  .cta-band{padding:26px 18px}
}

/* roulang page: category2 */
:root{
  --bg:#07070D;
  --bg-deep:#04040A;
  --bg-soft:#0E0E1E;
  --surface:#12131F;
  --surface-2:#181A2B;
  --lime:#A3E635;
  --lime-soft:rgba(163,230,53,.12);
  --cyan:#06B6D4;
  --cyan-soft:rgba(6,182,212,.12);
  --pink:#F43F5E;
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted-2:#CBD5E1;
  --line:rgba(148,163,184,.16);
  --line-lime:rgba(163,230,53,.42);
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 45px rgba(0,0,0,.5);
  --glow-lime:0 0 24px rgba(163,230,53,.35);
  --glow-cyan:0 0 24px rgba(6,182,212,.4);
  --header-h:72px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  background:rgba(7,7,13,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  display:grid;place-items:center;color:#04120a;font-weight:900;font-size:15px;
  box-shadow:var(--glow-lime);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:14px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.logo-text span{font-size:11px;color:var(--lime);font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted-2);
  transition:color .2s,background .2s,border-color .2s;border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-links a.active{color:var(--lime);background:var(--lime-soft);border-color:rgba(163,230,53,.28)}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--line-lime);color:var(--lime)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 24px;font-weight:700;font-size:14.5px;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  color:#04120a;box-shadow:0 0 22px rgba(163,230,53,.34);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(163,230,53,.58)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line);color:#e2e8f0}
.btn-ghost:hover{border-color:var(--line-lime);color:#fff;background:rgba(163,230,53,.09)}
.btn-text{background:transparent;border-color:rgba(148,163,184,.35);color:var(--muted-2)}
.btn-text:hover{color:var(--lime);border-color:var(--lime)}
.btn-sm{padding:9px 17px;font-size:13.5px}
.btn-lg{padding:16px 30px;font-size:15.5px}
.btn-block{width:100%}

/* ---------- LAYOUT ---------- */
main{padding-top:var(--header-h)}
section{padding:78px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#090A14 0%,#0E0E1E 100%)}
.section-line{border-top:1px solid var(--line)}
.section-head{margin-bottom:38px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto;max-width:820px}
.section-head.center .section-lead{margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
  color:var(--lime);background:var(--lime-soft);
  border:1px solid rgba(163,230,53,.26);padding:6px 13px;border-radius:999px;
}
.eyebrow.cyan{color:var(--cyan);background:var(--cyan-soft);border-color:rgba(6,182,212,.3)}
.section-title{
  font-size:clamp(24px,3.3vw,36px);line-height:1.25;font-weight:800;
  letter-spacing:-.5px;margin:16px 0 14px;max-width:900px;
}
.section-lead{color:var(--muted);font-size:15.5px;max-width:800px;line-height:1.7}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start}

/* ---------- HERO ---------- */
.hero{
  position:relative;padding:60px 0 72px;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(4,4,10,.96) 0%,rgba(7,7,13,.9) 46%,rgba(5,22,28,.8) 100%),url('/assets/images/7d02aad932f06396.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(163,230,53,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(163,230,53,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.55;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--muted-2);font-weight:600}
.crumb a:hover{color:var(--lime)}
.crumb i{font-size:10px;color:var(--muted)}
.hero h1{
  font-size:clamp(26px,3.7vw,43px);line-height:1.22;font-weight:900;letter-spacing:-.8px;
  margin:20px 0 18px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--lime),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted-2);font-size:16px;line-height:1.72;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin:28px 0 24px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px}
.hero-points li{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  color:var(--muted-2);background:rgba(255,255,255,.04);
  border:1px solid var(--line);padding:8px 14px;border-radius:999px;
}
.hero-points i{color:var(--lime)}
.hero-panel{
  background:linear-gradient(160deg,rgba(24,26,43,.95),rgba(10,11,20,.95));
  border:1px solid rgba(6,182,212,.3);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow);
}
.hero-panel h2{font-size:17px;font-weight:800;letter-spacing:-.2px}
.hero-panel .panel-sub{font-size:13px;color:var(--muted);margin-top:6px}
.panel-rows{margin-top:20px;border-top:1px solid var(--line)}
.panel-rows li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;
}
.panel-rows li span:first-child{color:var(--muted)}
.panel-rows li span:last-child{font-weight:700;color:#fff}
.panel-rows li.lime span:last-child{color:var(--lime)}
.panel-rows li.cyan span:last-child{color:var(--cyan)}
.panel-rows li.pink span:last-child{color:var(--pink)}
.panel-note{margin-top:16px;font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- CARDS ---------- */
.card{
  background:linear-gradient(165deg,var(--surface),var(--surface-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.card:hover{border-color:var(--line-lime);transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.45)}
.card h3{font-size:17px;font-weight:800;letter-spacing:-.2px;margin-bottom:9px}
.card p{color:var(--muted);font-size:14.5px;line-height:1.68}
.icon-box{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--lime-soft);border:1px solid rgba(163,230,53,.3);
  color:var(--lime);font-size:18px;margin-bottom:16px;
}
.icon-box.cyan{background:var(--cyan-soft);border-color:rgba(6,182,212,.32);color:var(--cyan)}
.icon-box.pink{background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.32);color:#fb7185}

/* ---------- VALUE SPLIT ---------- */
.value-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.value-figure img{width:100%;height:100%;min-height:340px;object-fit:cover}
.value-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(180deg,transparent,rgba(4,4,10,.94));
  font-size:13px;color:var(--muted-2);
}
.value-list{display:grid;gap:18px}
.value-item{display:grid;grid-template-columns:46px 1fr;gap:16px;align-items:start;padding:18px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(18,19,31,.6);transition:border-color .25s,background .25s}
.value-item:hover{border-color:var(--line-lime);background:rgba(163,230,53,.05)}
.value-item .icon-box{margin-bottom:0}
.value-item h3{font-size:16px;font-weight:800;margin-bottom:6px}
.value-item p{color:var(--muted);font-size:14.5px;line-height:1.68}

/* ---------- RULES ---------- */
.rule-list{border-top:1px solid var(--line)}
.rule-item{
  display:grid;grid-template-columns:70px 1fr;gap:22px;
  padding:26px 0;border-bottom:1px solid var(--line);align-items:start;
}
.rule-num{
  font-family:'Inter',monospace;font-size:26px;font-weight:700;letter-spacing:-1px;
  color:transparent;background:linear-gradient(135deg,var(--lime),var(--cyan));
  -webkit-background-clip:text;background-clip:text;line-height:1;
}
.rule-item h3{font-size:17.5px;font-weight:800;margin-bottom:8px}
.rule-item p{color:var(--muted);font-size:14.8px;line-height:1.7;max-width:760px}
.rule-tag{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--cyan);background:var(--cyan-soft);border:1px solid rgba(6,182,212,.28);
  padding:4px 11px;border-radius:999px;
}

/* ---------- TIERS ---------- */
.tier-card{
  background:linear-gradient(170deg,rgba(24,26,43,.95),rgba(10,11,20,.95));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:border-color .25s,transform .25s;
}
.tier-card:hover{border-color:var(--line-lime);transform:translateY(-4px)}
.tier-card.featured{border-color:rgba(163,230,53,.45);box-shadow:var(--glow-lime)}
.tier-label{font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.tier-amount{
  font-size:25px;font-weight:900;letter-spacing:-.6px;margin:10px 0 4px;
  background:linear-gradient(120deg,var(--lime),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.tier-unit{font-size:13px;color:var(--muted-2);font-weight:600}
.tier-list{margin-top:18px;border-top:1px solid var(--line)}
.tier-list li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13.8px;color:var(--muted)}
.tier-list li b{color:#fff;font-weight:700}
.tier-note{margin-top:20px;padding:16px 18px;border-radius:var(--radius-sm);border:1px dashed rgba(163,230,53,.4);background:rgba(163,230,53,.05);font-size:13.5px;color:var(--muted-2);line-height:1.7}

/* ---------- SCENARIOS ---------- */
.scene-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(170deg,rgba(24,26,43,.9),rgba(10,11,20,.9));
  transition:border-color .25s,transform .25s;
}
.scene-card:hover{border-color:rgba(6,182,212,.45);transform:translateY(-4px)}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-body{padding:22px}
.scene-body h3{font-size:17px;font-weight:800;margin-bottom:9px}
.scene-body p{color:var(--muted);font-size:14.5px;line-height:1.68}
.chip{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--lime);
  background:var(--lime-soft);border:1px solid rgba(163,230,53,.28);
  padding:4px 11px;border-radius:999px;margin-bottom:12px;
}

/* ---------- STEPS ---------- */
.step-list{border-top:1px solid var(--line);counter-reset:step}
.step-item{
  display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.step-index{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#04120a;
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  box-shadow:0 0 18px rgba(163,230,53,.3);
}
.step-item h3{font-size:17px;font-weight:800;margin-bottom:7px}
.step-item p{color:var(--muted);font-size:14.6px;line-height:1.7;max-width:780px}

/* ---------- WARNINGS ---------- */
.warn-list{display:grid;gap:14px}
.warn-item{
  display:grid;grid-template-columns:34px 1fr;gap:14px;align-items:start;
  padding:16px 18px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  border-left:3px solid var(--pink);background:rgba(244,63,94,.07);
}
.warn-item i{color:#fb7185;font-size:16px;margin-top:3px}
.warn-item h3{font-size:15.5px;font-weight:800;margin-bottom:5px}
.warn-item p{color:var(--muted);font-size:14.3px;line-height:1.65}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(18,19,31,.72);overflow:hidden;transition:border-color .25s;
}
.faq-item[open]{border-color:rgba(163,230,53,.4);background:rgba(163,230,53,.04)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px;font-weight:700;font-size:15.5px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--lime);font-size:13px;flex:0 0 auto;transition:transform .25s;
}
.faq-item[open] summary::after{content:"\f068";transform:rotate(180deg)}
.faq-item .faq-body{padding:0 20px 20px;color:var(--muted);font-size:14.6px;line-height:1.72}

/* ---------- NEWS ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(170deg,rgba(24,26,43,.9),rgba(10,11,20,.9));
  display:flex;flex-direction:column;transition:border-color .25s,transform .25s;
}
.news-card:hover{border-color:var(--line-lime);transform:translateY(-4px)}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted)}
.news-cat{color:var(--lime);font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.news-body h3{font-size:16px;font-weight:800;line-height:1.45}
.news-body h3 a:hover{color:var(--lime)}
.news-body p{color:var(--muted);font-size:14.2px;line-height:1.65}
.news-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:8px}
.news-more:hover{color:var(--lime)}
.news-empty{
  padding:34px 26px;border:1px dashed var(--line);border-radius:var(--radius);
  color:var(--muted);font-size:14.5px;text-align:center;
}

/* ---------- QUOTES + CTA ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-bottom:44px}
.quote-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:rgba(18,19,31,.7)}
.quote-card .stars{color:var(--lime);font-size:12.5px;letter-spacing:2px;margin-bottom:12px}
.quote-card p{color:var(--muted-2);font-size:14.6px;line-height:1.7}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:18px}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:13px;color:#04120a;
  background:linear-gradient(135deg,var(--lime),var(--cyan));
}
.quote-who strong{display:block;font-size:14px}
.quote-who span{font-size:12.5px;color:var(--muted)}
.cta-band{
  border-radius:var(--radius-lg);padding:40px 36px;
  background-image:linear-gradient(120deg,rgba(6,182,212,.16),rgba(163,230,53,.12)),linear-gradient(160deg,#101223,#08090F);
  border:1px solid rgba(163,230,53,.34);
  display:grid;grid-template-columns:1.35fr .65fr;gap:30px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(21px,2.6vw,29px);font-weight:900;letter-spacing:-.5px;line-height:1.28;margin-bottom:12px}
.cta-band p{color:var(--muted-2);font-size:15px;line-height:1.7;max-width:620px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-note{font-size:12.5px;color:var(--muted);text-align:center}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:12px 20px;border-radius:999px;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(120deg,var(--lime),var(--cyan));
  background-origin:border-box;background-clip:padding-box,border-box;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  color:#fff;font-weight:700;font-size:13.5px;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:opacity .25s,transform .25s,box-shadow .25s;
}
.fab i{color:var(--lime);font-size:16px}
.fab:hover{opacity:1;transform:translateY(-2px);box-shadow:0 0 34px rgba(163,230,53,.55)}
.fab:active{transform:scale(.96)}
.fab-dot{
  position:absolute;top:6px;right:8px;width:9px;height:9px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 10px rgba(244,63,94,.9);animation:pulseDot 1.6s infinite;
}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}

/* ---------- FOOTER ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:60px 0 26px;margin-top:10px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{color:var(--muted);font-size:14.3px;line-height:1.72;margin:18px 0 18px;max-width:420px}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px}
.footer-badges span{
  font-size:11.5px;font-weight:700;color:var(--muted-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  padding:6px 12px;border-radius:999px;
}
.footer-col h4{font-size:14px;font-weight:800;letter-spacing:.04em;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s}
.footer-col a:hover{color:var(--lime)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.footer-bottom .age{
  font-size:11.5px;font-weight:800;color:var(--lime);
  border:1px solid rgba(163,230,53,.35);padding:5px 12px;border-radius:999px;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .split{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quote-grid{grid-template-columns:1fr;gap:16px}
  .cta-band{grid-template-columns:1fr;padding:32px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .nav-links{
    position:absolute;top:var(--header-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    background:rgba(7,7,13,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:inline-flex}
  .logo-text strong{font-size:13px}
}
@media (max-width:768px){
  :root{--header-h:64px}
  section{padding:56px 0}
  .hero{padding:44px 0 56px}
  .grid-2,.grid-3,.grid-4,.news-grid{grid-template-columns:1fr}
  .rule-item,.step-item{grid-template-columns:1fr;gap:12px}
  .value-item{grid-template-columns:1fr}
  .card,.tier-card{padding:20px}
  .cta-band{padding:26px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .logo-text span{display:none}
  .logo-text strong{font-size:12px;white-space:normal;line-height:1.2}
  .logo-mark{width:36px;height:36px;flex:0 0 36px;font-size:13px}
  .header-actions .btn-sm{padding:8px 13px;font-size:12.5px}
  .hero h1{font-size:24px}
  .btn{width:100%}
  .hero-cta .btn{width:100%}
  .fab{left:12px;bottom:84px;padding:11px 15px;font-size:12.5px}
}