/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a35;
  --panel:rgba(11,22,45,.72);
  --panel-2:rgba(8,18,41,.92);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.4);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --lime:#A3E635;
  --rose:#F43F5E;
  --amber:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-lg:0 24px 60px rgba(2,6,23,.65);
  --shadow-glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease}
a:hover{color:#7dd3fc}
h1,h2,h3,h4{line-height:1.25;font-weight:800;margin:0 0 12px;color:#fff}
h1{font-size:clamp(28px,4.2vw,46px);letter-spacing:-.5px}
h2{font-size:clamp(23px,3vw,34px);letter-spacing:-.3px}
h3{font-size:clamp(18px,2.1vw,22px)}
h4{font-size:17px}
p{margin:0 0 14px;color:#dbe4f0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.85);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121f;font-size:17px;box-shadow:var(--shadow-glow);
}
.brand-text{font-weight:800;font-size:14.5px;line-height:1.15;max-width:190px}
.brand-text small{display:block;font-size:10.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-list a{
  display:block;padding:9px 14px;border-radius:var(--radius-pill);
  color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap;
}
.nav-list a:hover{color:#fff;background:rgba(56,189,248,.09)}
.nav-list a.active{color:#e0f2fe;background:rgba(37,99,235,.2);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  padding:9px 16px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;
  color:var(--holo);border:1px solid var(--line-strong);background:transparent;
}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-signup{
  padding:10px 20px;border-radius:var(--radius-pill);font-size:14px;font-weight:700;
  color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));
  border:none;box-shadow:0 0 18px rgba(56,189,248,.42);
}
.btn-signup:hover{color:#04121f;box-shadow:0 0 26px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(56,189,248,.08);color:var(--cyan);font-size:18px;
}

/* ---------- buttons ---------- */
.btn-glow{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-pill);border:none;
  font-size:15px;font-weight:700;color:#04121f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-glow:hover{color:#04121f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.75)}
.btn-glow:active{transform:translateY(1px) scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:#dff3ff;
  background:rgba(56,189,248,.08);
  border:1px solid var(--line-strong);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}

/* ---------- badges ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#bae6fd;background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3);
}
.badge-live{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#bef264;background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.35);
}
.badge-live i{font-size:8px;animation:pulseDot 1.4s infinite}
.badge-warn{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#fda4af;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.35);
}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.25}}

/* ---------- section shells ---------- */
.section{position:relative;padding:76px 0}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,#050d1e,#081a33)}
.section--grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:52px 52px;
}
.section > .container{position:relative;z-index:2}
.section-head{max-width:820px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--holo);margin-bottom:12px;
}
.lead{font-size:16.5px;color:#c6d2e2}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:132px 0 74px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,7,18,.62) 0%,rgba(3,7,18,.88) 55%,rgba(3,7,18,1) 100%),
    url('/assets/images/9ea4f3793fe010cf.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);
  background-size:60px 60px;
}
.hero > .container{position:relative;z-index:3}
.region-row{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 26px}
.region-chip{
  padding:7px 14px;border-radius:var(--radius-pill);font-size:12.5px;font-weight:600;
  color:#cfe4f7;background:rgba(8,18,41,.72);border:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.region-chip.is-hot{color:#7dd3fc;border-color:var(--line-strong);background:rgba(37,99,235,.22)}
.hero p.hero-desc{font-size:16.5px;color:#cbd8e8;max-width:640px;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 30px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px}
.metric{
  flex:1 1 130px;min-width:130px;padding:14px 16px;border-radius:var(--radius-sm);
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(10px);
}
.metric b{display:block;font-size:21px;font-weight:800;color:#fff}
.metric span{font-size:12.5px;color:var(--muted);font-weight:600}

.radar-panel{
  border-radius:var(--radius);padding:22px;
  background:linear-gradient(160deg,rgba(11,26,53,.9),rgba(6,14,32,.94));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-lg);
  backdrop-filter:blur(16px);
}
.radar-panel h3{font-size:16px;margin-bottom:4px}
.radar-sub{font-size:12.5px;color:var(--muted);margin-bottom:16px}
.radar-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.16);
}
.radar-list li:last-child{border-bottom:none}
.radar-zone{font-size:14px;font-weight:600;color:#e2ecf8}
.radar-zone small{display:block;font-size:12px;color:var(--muted-2);font-weight:500}
.radar-mult{font-size:15px;font-weight:800;color:var(--lime);white-space:nowrap}
.radar-mult.down{color:var(--rose)}
.radar-foot{margin-top:14px;font-size:12px;color:var(--muted-2)}
.hero-thumb{
  margin-top:16px;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);
}
.hero-thumb img{width:100%;height:140px;object-fit:cover}
.hero-thumb figcaption{
  padding:9px 12px;font-size:12px;color:var(--muted);background:rgba(3,7,18,.7);
}

/* ---------- stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.stat-strip .stat{background:var(--panel-2);padding:20px 18px}
.stat b{display:block;font-size:22px;font-weight:800;color:#fff}
.stat b i{font-size:14px;color:var(--cyan);margin-right:6px}
.stat span{font-size:12.5px;color:var(--muted);font-weight:600}

/* ---------- generic grids ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}

.glass-card{
  border-radius:var(--radius);padding:26px;
  background:linear-gradient(160deg,rgba(12,24,48,.86),rgba(6,14,32,.92));
  border:1px solid var(--line);
  box-shadow:0 16px 40px rgba(2,6,23,.5);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 22px 50px rgba(6,26,53,.7)}
.glass-card h3{font-size:18px}
.glass-card p{font-size:14.5px;color:#b9c6d8;margin-bottom:0}
.icon-box{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3);
  color:var(--cyan);font-size:17px;margin-bottom:14px;
}

/* ---------- problem list ---------- */
.problem-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid rgba(56,189,248,.12);
}
.problem-list li:last-child{border-bottom:none}
.problem-idx{
  flex:0 0 40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fecdd3;
  background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.34);
}
.problem-list h4{margin-bottom:6px;font-size:16.5px}
.problem-list p{font-size:14.5px;color:#b9c6d8;margin:0}
.aside-note{
  border-radius:var(--radius);padding:24px;
  background:linear-gradient(150deg,rgba(37,99,235,.18),rgba(8,18,41,.9));
  border:1px solid var(--line-strong);
}
.aside-note h3{font-size:17px}
.aside-note p{font-size:14px;color:#c6d5e7}
.check-list li{display:flex;gap:10px;font-size:14px;color:#cfdcec;padding:6px 0}
.check-list li i{color:var(--lime);margin-top:5px;font-size:12px}

/* ---------- algorithm ---------- */
.algo-item{padding:24px 0;border-top:1px solid rgba(56,189,248,.14)}
.algo-item:first-of-type{border-top:none;padding-top:0}
.algo-item h3{display:flex;gap:12px;align-items:flex-start;font-size:18.5px}
.algo-item h3 i{margin-top:5px;font-size:15px;color:var(--cyan)}
.algo-item p{font-size:15px;color:#c2cfdf;max-width:900px}
.algo-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.algo-tags span{
  padding:5px 11px;border-radius:8px;font-size:12px;font-weight:600;
  color:#a5f3fc;background:rgba(56,189,248,.1);border:1px solid rgba(56,189,248,.24);
}

/* ---------- timeline / demo ---------- */
.demo-board{
  border-radius:var(--radius);padding:26px;
  background:linear-gradient(160deg,rgba(9,20,42,.94),rgba(4,10,24,.96));
  border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);
}
.demo-head{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:20px}
.curve{
  position:relative;height:170px;border-radius:var(--radius-sm);
  background:linear-gradient(180deg,rgba(37,99,235,.14),rgba(3,7,18,.1));
  border:1px solid var(--line);overflow:hidden;margin-bottom:22px;
}
.curve svg{width:100%;height:100%;display:block}
.curve-label{
  position:absolute;right:14px;top:12px;font-size:12px;font-weight:700;
  color:var(--lime);background:rgba(3,7,18,.75);padding:5px 11px;border-radius:999px;border:1px solid rgba(163,230,53,.35);
}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.timeline-step{
  padding:16px;border-radius:var(--radius-sm);
  background:rgba(11,22,45,.72);border:1px solid var(--line);
}
.timeline-step b{
  display:grid;place-items:center;width:28px;height:28px;border-radius:9px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04121f;
  font-size:13px;margin-bottom:10px;
}
.timeline-step h4{font-size:14.5px;margin-bottom:6px}
.timeline-step p{font-size:13px;color:var(--muted);margin:0}
.progress-track{height:9px;border-radius:999px;background:rgba(56,189,248,.14);overflow:hidden;margin:24px 0 8px}
.progress-track i{display:block;height:100%;width:78%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--lime));box-shadow:0 0 16px rgba(163,230,53,.5)}
.progress-note{font-size:12.5px;color:var(--muted)}

/* ---------- result table ---------- */
.table-wrap{border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;background:var(--panel-2)}
table.jetx-table{width:100%;border-collapse:collapse;font-size:14.5px}
table.jetx-table thead th{
  background:rgba(37,99,235,.16);color:#cbe6ff;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)
}
table.jetx-table td{padding:15px 16px;border-bottom:1px solid rgba(56,189,248,.1);color:#cbd8e8}
table.jetx-table tr:last-child td{border-bottom:none}
table.jetx-table tr:hover td{background:rgba(56,189,248,.05)}
.mult-cell{font-weight:800;color:var(--lime)}
.mult-cell.crash{color:var(--rose)}
.money-cell{font-weight:700;color:#fff}
.table-foot{padding:14px 16px;font-size:12.5px;color:var(--muted);background:rgba(3,7,18,.5)}

/* ---------- stuck points ---------- */
.stuck-card{
  border-radius:var(--radius);padding:22px;
  background:rgba(11,22,45,.6);border:1px solid rgba(244,63,94,.22);
}
.stuck-card i{color:var(--rose);font-size:17px;margin-bottom:12px;display:block}
.stuck-card h4{font-size:16px}
.stuck-card p{font-size:14px;color:#b9c6d8;margin:0}

/* ---------- path rail ---------- */
.path-rail{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:step}
.path-node{
  position:relative;padding:0 18px 0 0;
}
.path-node::after{
  content:"";position:absolute;top:17px;right:6px;width:calc(100% - 44px);height:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(56,189,248,.12));
}
.path-node:last-child::after{display:none}
.path-dot{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#04121f;margin-bottom:14px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 18px rgba(56,189,248,.45);
}
.path-node h4{font-size:15.5px}
.path-node p{font-size:13.5px;color:var(--muted);margin:0}
.path-node a{font-size:13px;font-weight:700}

/* ---------- tiers ---------- */
.tier-card{
  border-radius:var(--radius);padding:26px;height:100%;
  background:rgba(9,19,40,.72);border:1px solid var(--line);
  display:flex;flex-direction:column;
}
.tier-card h3{font-size:18px}
.tier-price{font-size:24px;font-weight:800;color:#fff;margin:6px 0 4px}
.tier-price small{font-size:13px;font-weight:600;color:var(--muted);display:block}
.tier-card ul{margin:16px 0 22px}
.tier-card ul li{display:flex;gap:10px;font-size:14px;color:#c6d3e4;padding:7px 0;border-bottom:1px dashed rgba(56,189,248,.12)}
.tier-card ul li:last-child{border-bottom:none}
.tier-card ul li i{color:var(--cyan);margin-top:5px;font-size:12px}
.tier-card .btn-ghost,.tier-card .btn-glow{margin-top:auto;justify-content:center}
.tier-card--pick{
  border-color:var(--line-strong);
  background:linear-gradient(165deg,rgba(37,99,235,.24),rgba(6,14,32,.95));
  box-shadow:0 0 0 1px rgba(56,189,248,.25),0 26px 60px rgba(6,26,53,.75);
  transform:translateY(-6px);
}
.tier-badge{
  align-self:flex-start;margin-bottom:12px;padding:5px 12px;border-radius:999px;
  font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  color:#04121f;background:linear-gradient(135deg,var(--lime),var(--cyan));
}

/* ---------- category wall ---------- */
.cat-card{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--radius);overflow:hidden;
  background:rgba(9,19,40,.75);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.cat-card img{height:168px;width:100%;object-fit:cover}
.cat-body{padding:22px;display:flex;flex-direction:column;flex:1}
.cat-body h3{font-size:17.5px}
.cat-body p{font-size:14px;color:#b9c6d8}
.cat-link{font-size:13.5px;font-weight:700;margin-top:auto}

/* ---------- rtp panel ---------- */
.rtp-panel{
  border-radius:var(--radius);padding:30px;
  background:linear-gradient(150deg,rgba(37,99,235,.2),rgba(6,14,32,.95));
  border:1px solid var(--line-strong);
}
.rtp-big{font-size:clamp(40px,6vw,62px);font-weight:800;line-height:1;color:#fff}
.rtp-big span{font-size:22px;color:var(--cyan)}
.bar-list li{padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.14)}
.bar-list li:last-child{border-bottom:none}
.bar-top{display:flex;justify-content:space-between;font-size:13.5px;font-weight:600;color:#d5e2f0;margin-bottom:7px}
.bar-track{height:8px;border-radius:999px;background:rgba(56,189,248,.13);overflow:hidden}
.bar-track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan))}

/* ---------- dual bet ---------- */
.ticket{
  border-radius:var(--radius-sm);padding:18px;margin-bottom:14px;
  background:rgba(6,14,32,.85);border:1px solid var(--line);
}
.ticket.safe{border-left:4px solid var(--cyan)}
.ticket.hunt{border-left:4px solid var(--lime)}
.ticket-top{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);font-weight:600;margin-bottom:8px}
.ticket-top b{color:#fff;font-size:15px}
.ticket-note{font-size:13px;color:#b9c6d8;margin:0}
.dual-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}

/* ---------- payout rails ---------- */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pay-badge{
  display:flex;align-items:center;gap:12px;padding:16px;border-radius:var(--radius-sm);
  background:rgba(11,22,45,.7);border:1px solid var(--line);
}
.pay-badge i{font-size:19px;color:var(--cyan)}
.pay-badge b{display:block;font-size:14.5px;color:#fff}
.pay-badge span{font-size:12px;color:var(--muted)}
.speed-board{
  border-radius:var(--radius);padding:26px;
  background:linear-gradient(160deg,rgba(9,20,42,.92),rgba(4,10,24,.96));
  border:1px solid var(--line);position:relative;overflow:hidden;
}
.speed-board::after{
  content:"";position:absolute;inset:0;opacity:.35;
  background:url('/assets/images/949cfd4c32ce2478.jpg') center/cover no-repeat;
}
.speed-board > *{position:relative;z-index:2}
.speed-time{font-size:44px;font-weight:800;color:#fff;line-height:1}
.speed-time span{font-size:18px;color:var(--cyan)}

/* ---------- quotes ---------- */
.quote-card{
  border-radius:var(--radius);padding:24px;height:100%;
  background:rgba(9,19,40,.7);border:1px solid var(--line);
}
.quote-card p{font-size:14.5px;color:#cfdcec;font-style:italic}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:16px}
.quote-avatar{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));
}
.quote-who b{display:block;font-size:14px;color:#fff}
.quote-who span{font-size:12.5px;color:var(--muted)}
.stars{color:var(--amber);font-size:13px;margin-bottom:10px}

/* ---------- faq ---------- */
.faq-item{
  border-radius:var(--radius-sm);margin-bottom:12px;
  background:rgba(9,19,40,.72);border:1px solid var(--line);overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:15.5px;color:#eaf3ff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.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(--cyan);font-size:13px;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:#fff;background:rgba(37,99,235,.12)}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:#b9c6d8}

/* ---------- news ---------- */
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:grid;grid-template-columns:190px 1fr;gap:18px;padding:16px;
  border-radius:var(--radius);background:rgba(9,19,40,.66);border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease;
}
.news-item:hover{border-color:var(--line-strong);transform:translateX(4px)}
.news-thumb{border-radius:var(--radius-sm);overflow:hidden;display:block}
.news-thumb img{width:100%;height:126px;object-fit:cover}
.news-body h3{font-size:16.5px;margin:8px 0 8px}
.news-body h3 a{color:#fff}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{font-size:13.8px;color:#a9b7c9;margin-bottom:10px}
.news-date{font-size:12.5px;color:var(--muted-2);font-weight:600}
.news-date i{margin-right:6px}
.side-box{
  border-radius:var(--radius);padding:22px;
  background:rgba(6,14,32,.85);border:1px solid var(--line);
}
.side-box h3{font-size:16px;margin-bottom:14px}
.side-list li{padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.14)}
.side-list li:last-child{border-bottom:none}
.side-list a{font-size:14px;font-weight:600;color:#dbe7f5;display:block;line-height:1.5}
.side-list a:hover{color:var(--cyan)}
.side-list span{font-size:12px;color:var(--muted-2)}
.empty-note{
  padding:26px;border-radius:var(--radius);text-align:left;
  background:rgba(9,19,40,.6);border:1px dashed var(--line-strong);color:var(--muted);font-size:14px;
}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;margin-top:18px}

/* ---------- final cta ---------- */
.cta-panel{
  position:relative;border-radius:var(--radius);padding:44px;overflow:hidden;
  background:linear-gradient(150deg,rgba(37,99,235,.28),rgba(6,14,32,.96));
  border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.35),transparent 65%);
}
.cta-panel > *{position:relative;z-index:2}
.cta-list li{display:flex;gap:10px;font-size:14.5px;color:#cddcec;padding:6px 0}
.cta-list li i{color:var(--lime);margin-top:5px;font-size:12px}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.trust-row span{
  padding:7px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:#c7d7e8;background:rgba(3,7,18,.6);border:1px solid var(--line);
}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#030712,#010409);
  border-top:1px solid var(--line);padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand p{font-size:14px;color:#a9b7c9;max-width:340px}
.footer-col h4{font-size:13.5px;letter-spacing:.1em;text-transform:uppercase;color:#cfe4f7;margin-bottom:16px}
.footer-col li{padding:6px 0}
.footer-col a{font-size:14px;color:#a9b7c9}
.footer-col a:hover{color:var(--cyan)}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.footer-pay span{
  font-size:12px;font-weight:600;color:#bcd2e6;padding:6px 11px;border-radius:8px;
  background:rgba(56,189,248,.08);border:1px solid var(--line);
}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted-2);
}
.age-badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:8px;
  font-size:12px;font-weight:800;color:#fecdd3;background:rgba(244,63,94,.14);
  border:1px solid rgba(244,63,94,.35);
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1040;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:10px 18px;border-radius:999px;
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,14,28,.86),rgba(7,14,28,.86)),linear-gradient(120deg,var(--cyan),var(--lime));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#dff3ff;font-size:13.5px;font-weight:700;opacity:.82;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;color:#fff;transform:translateY(-3px);box-shadow:0 0 32px rgba(6,182,212,.8)}
.fab:active{transform:translateY(1px) scale(.97)}
.fab i{font-size:16px;color:var(--cyan);animation:fabPulse 2.6s ease-in-out infinite}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:var(--rose);box-shadow:0 0 10px rgba(244,63,94,.9);animation:pulseDot 1.2s infinite;
}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.08)}}

/* ---------- mobile fixed bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;display:none;
  padding:10px 14px;background:rgba(3,7,18,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}
.mobile-bar .inner{display:flex;align-items:center;gap:12px;justify-content:space-between}
.mobile-bar b{font-size:13px;color:#e6f2ff;display:block;line-height:1.3}
.mobile-bar span{font-size:11.5px;color:var(--muted)}
.mobile-bar .btn-glow{padding:10px 18px;font-size:13.5px}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .stat-strip{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991px){
  .site-header .container{min-height:66px;gap:10px}
  .nav-toggle{display:grid;place-items:center;order:3;margin-left:auto}
  .nav-list{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:4px;padding:14px 18px 20px;margin-left:0;
    background:rgba(4,10,24,.98);border-bottom:1px solid var(--line-strong);
    display:none;
  }
  .nav-list.open{display:flex}
  .nav-list a{padding:12px 14px;font-size:14.5px}
  .nav-actions{order:2;margin-left:auto}
  .nav-toggle{order:3;margin-left:0}
  .brand-text{font-size:13.5px;max-width:150px}
  .grid-3,.grid-4,.pay-grid,.split{grid-template-columns:repeat(2,1fr)}
  .timeline,.path-rail{grid-template-columns:repeat(2,1fr)}
  .path-node::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero{padding:112px 0 60px}
  .mobile-bar{display:block}
  body{padding-bottom:74px}
  .fab{bottom:88px}
  .timeline-step{margin-bottom:0}
  .section{padding:60px 0}
}
@media (max-width:767px){
  .grid-3,.grid-4,.pay-grid,.split,.grid-2{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .news-item{grid-template-columns:1fr}
  .news-thumb img{height:170px}
  .timeline,.path-rail{grid-template-columns:1fr}
  .cta-panel{padding:28px}
  .hero-metrics .metric{flex:1 1 45%}
  table.jetx-table{font-size:13.5px}
  table.jetx-table thead th,table.jetx-table td{padding:11px 12px}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:52px 0}
}
@media (max-width:520px){
  .brand-text small{display:none}
  .btn-login{padding:8px 12px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .region-chip{font-size:12px;padding:6px 11px}
  h1{font-size:26px}
  .stat b{font-size:19px}
  .rtp-big{font-size:40px}
  .fab span.fab-text{display:none}
  .fab{padding:0;width:56px;height:56px;justify-content:center}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a35;
  --panel:rgba(11,22,45,.72);
  --panel-2:rgba(8,18,41,.92);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.4);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --lime:#A3E635;
  --rose:#F43F5E;
  --amber:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-lg:0 24px 60px rgba(2,6,23,.65);
  --shadow-glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease}
a:hover{color:#7dd3fc}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02121f;font-size:17px;box-shadow:var(--shadow-glow);
}
.brand-text{font-weight:800;font-size:14.5px;line-height:1.15;max-width:190px}
.brand-text small{display:block;font-size:10.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-list a{display:block;padding:9px 14px;border-radius:var(--radius-pill);color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap}
.nav-list a:hover{color:#fff;background:rgba(56,189,248,.09)}
.nav-list a.active{color:#e0f2fe;background:rgba(37,99,235,.2);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{padding:9px 16px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--holo);border:1px solid var(--line-strong);background:transparent}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-signup{padding:10px 20px;border-radius:var(--radius-pill);font-size:14px;font-weight:700;color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));border:none;box-shadow:0 0 18px rgba(56,189,248,.42)}
.btn-signup:hover{color:#04121f;box-shadow:0 0 26px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(56,189,248,.08);color:var(--cyan);font-size:18px}
/* ---------- buttons ---------- */
.btn-glow{
  display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:var(--radius-pill);border:none;
  font-size:15px;font-weight:700;color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 22px rgba(56,189,248,.45);transition:transform .2s ease,box-shadow .2s ease;cursor:pointer;
}
.btn-glow:hover{color:#04121f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.75)}
.btn-glow:active{transform:translateY(1px) scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;padding:13px 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:#dff3ff;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.badge-soft{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#bae6fd;background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3)}
.badge-live{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:var(--radius-pill);font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#bef264;background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.35)}
.badge-live i{font-size:8px;animation:pulseDot 1.4s infinite}
.badge-warn{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#fda4af;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.35)}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.25}}
/* ---------- section ---------- */
.section{position:relative;padding:76px 0}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,#050d1e,#081a33)}
.section--grid::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);background-size:52px 52px}
.section > .container{position:relative;z-index:2}
.section-head{max-width:820px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--holo);margin-bottom:12px}
.lead{font-size:16.5px;color:#c6d2e2}
h2.sec-title{font-size:clamp(24px,3.4vw,36px);font-weight:800;line-height:1.25;margin:0 0 14px}
h3.block-title{font-size:clamp(19px,2.4vw,24px);font-weight:700;line-height:1.3;margin:0 0 12px}
/* ---------- article shell ---------- */
.article-hero{
  position:relative;padding:130px 0 60px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,7,18,.7) 0%,rgba(3,7,18,.9) 60%,rgba(3,7,18,1) 100%),
    url('/assets/images/9ea4f3793fe010cf.jpg') center/cover no-repeat;
}
.article-hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);background-size:56px 56px}
.article-hero > .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb span.sep{opacity:.5}
.article-hero h1{font-size:clamp(27px,4.2vw,46px);font-weight:800;line-height:1.2;margin:14px 0 18px;max-width:920px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;color:var(--muted);font-size:13.5px}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--cyan)}
.article-wrap{width:100%;max-width:920px;margin:0 auto}
.article-body{font-size:16.5px;color:#dbe6f3;line-height:1.75;text-align:left}
.article-body h2{font-size:clamp(21px,2.8vw,29px);font-weight:800;margin:40px 0 14px;line-height:1.3;color:#fff}
.article-body h3{font-size:clamp(18px,2.2vw,22px);font-weight:700;margin:30px 0 10px;color:#e7f2ff}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:9px}
.article-body strong{color:#fff}
.article-body a{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(56,189,248,.4);text-underline-offset:3px}
.article-body img{border-radius:var(--radius);border:1px solid var(--line);margin:22px 0}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--cyan);
  background:rgba(56,189,248,.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#d8e8f7;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;display:block;overflow-x:auto}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:rgba(37,99,235,.18);color:#e0f2fe;font-weight:700}
/* ---------- cards & info blocks ---------- */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.info-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  backdrop-filter:blur(10px);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.info-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.info-card .ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.2));color:var(--cyan);margin-bottom:16px;
}
.info-card h3{font-size:17.5px;font-weight:700;margin:0 0 9px;color:#fff}
.info-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.65}
/* stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat-cell{background:var(--panel-2);padding:26px 22px}
.stat-cell b{display:block;font-size:clamp(25px,3.6vw,36px);font-weight:800;color:#fff;line-height:1.1}
.stat-cell b em{color:var(--cyan);font-style:normal}
.stat-cell span{display:block;margin-top:7px;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
/* steps */
.step-list{display:grid;gap:16px}
.step{display:flex;gap:18px;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);align-items:flex-start;transition:border-color .25s ease,transform .25s ease}
.step:hover{border-color:var(--line-strong);transform:translateX(4px)}
.step .num{flex:0 0 46px;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:17px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04121f}
.step h3{font-size:17px;font-weight:700;margin:2px 0 7px;color:#fff}
.step p{margin:0;font-size:14.5px;color:var(--muted)}
/* compare table block */
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-2)}
.compare-table{width:100%;border-collapse:collapse;min-width:560px;font-size:14.5px}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.compare-table th{background:rgba(37,99,235,.16);color:#e0f2fe;font-weight:700;font-size:13.5px;text-transform:uppercase;letter-spacing:.05em}
.compare-table tr:last-child td{border-bottom:none}
.compare-table td:first-child{color:#fff;font-weight:600}
.compare-table td{color:var(--muted)}
.tick{color:var(--lime)}
.cross{color:var(--rose)}
/* evidence / list */
.evidence-list{display:grid;gap:14px}
.evidence-item{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel)}
.evidence-item i{color:var(--cyan);font-size:17px;margin-top:3px}
.evidence-item b{color:#fff;display:block;margin-bottom:4px;font-size:15.5px}
.evidence-item p{margin:0;color:var(--muted);font-size:14.5px}
/* faq */
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);overflow:hidden}
.faq-item button{
  width:100%;text-align:left;background:transparent;border:none;color:#fff;
  padding:18px 20px;font-size:16px;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center;cursor:pointer;
}
.faq-item button i{color:var(--cyan);transition:transform .3s ease;flex-shrink:0}
.faq-item.open button i{transform:rotate(45deg)}
.faq-item .faq-body{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 20px}
.faq-item.open .faq-body{max-height:420px;padding-bottom:18px}
.faq-item .faq-body p{margin:0;color:var(--muted);font-size:14.8px;line-height:1.7}
/* cta band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius);
  padding:44px 36px;background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(56,189,248,.12));
  border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin:0 0 12px}
.cta-band p{color:#c6d2e2;margin:0 0 22px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* guarantee strip */
.guarantee{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px}
.guarantee div{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--muted)}
.guarantee i{color:var(--lime);font-size:17px;margin-top:2px}
.guarantee b{color:#fff;display:block;margin-bottom:3px;font-size:15px}
/* sidebar-ish related */
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.related-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;display:block;color:inherit}
.related-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);color:inherit}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.related-card .rc-body{padding:18px 20px}
.related-card .rc-body b{display:block;color:#fff;font-size:16px;margin-bottom:6px;line-height:1.4}
.related-card .rc-body span{color:var(--muted);font-size:14px}
/* ---------- footer ---------- */
.site-footer{background:linear-gradient(180deg,#050d1e,#030712);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:20px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text b{display:block;font-size:15px;color:#fff}
.footer-brand .brand-text i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.04em}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 18px;max-width:360px}
.footer-pay{display:flex;flex-wrap:wrap;gap:10px}
.footer-pay span{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:#cbd5e1;background:rgba(56,189,248,.08);border:1px solid var(--line);border-radius:var(--radius-pill);padding:6px 13px}
.footer-pay i{color:var(--cyan)}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#fff;margin:0 0 16px;font-weight:700}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-col a.active{color:var(--cyan)}
.footer-divider{height:1px;background:var(--line);margin:38px 0 22px}
.footer-legal{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:flex-start}
.legal-left{display:flex;gap:14px;align-items:flex-start;max-width:640px}
.age-badge{flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:800;font-size:13px;background:rgba(244,63,94,.16);border:1px solid rgba(244,63,94,.45);color:#fda4af}
.legal-left p{margin:0;font-size:13px;color:var(--muted-2);line-height:1.65}
.legal-right{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted-2)}
.legal-right span{display:inline-flex;align-items:center;gap:7px}
.legal-right i{color:var(--cyan)}
.copyright{text-align:center;font-size:13px;color:var(--muted-2);margin-top:24px;padding-top:18px;border-top:1px solid var(--line)}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:21px;color:#04121f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 24px rgba(56,189,248,.6);border:2px solid rgba(125,211,252,.7);
  animation:fabPulse 2.6s ease-in-out infinite;transition:transform .25s ease,opacity .25s ease;opacity:.85;
}
.fab:hover{transform:scale(1.1);opacity:1;color:#04121f}
.fab:active{transform:scale(.94) translateY(2px)}
@keyframes fabPulse{0%,100%{box-shadow:0 0 20px rgba(56,189,248,.5)}50%{box-shadow:0 0 34px rgba(56,189,248,.9)}}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .footer-top{grid-template-columns:1fr 1fr}
  .nav-list a{padding:8px 11px;font-size:13.5px}
}
@media (max-width:900px){
  .nav-toggle{display:grid;place-items:center;margin-left:auto;order:2}
  .nav-list{
    position:fixed;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);padding:14px 18px 22px;
    transform:translateY(-140%);transition:transform .3s ease;max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .nav-list.show{transform:translateY(0)}
  .nav-list a{padding:12px 14px;font-size:15px}
  .nav-actions{order:3;gap:8px}
  .btn-login{padding:8px 12px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .brand-text{font-size:13px;max-width:150px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .article-hero{padding:110px 0 46px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-legal{flex-direction:column}
  .cta-band{padding:32px 22px}
  .step{flex-direction:column;gap:12px}
}
@media (max-width:520px){
  .brand-text{display:none}
  .brand-mark{width:36px;height:36px}
  .container{padding:0 16px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .btn-glow,.btn-ghost{padding:12px 20px;font-size:14px;width:100%;justify-content:center}
  .cta-actions{flex-direction:column}
  .fab{left:12px;bottom:84px;width:52px;height:52px;font-size:19px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a35;
  --panel:rgba(11,22,45,.72);
  --panel-2:rgba(8,18,41,.92);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.4);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --lime:#A3E635;
  --rose:#F43F5E;
  --amber:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-lg:0 24px 60px rgba(2,6,23,.65);
  --shadow-glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
*,*::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',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease,transform .2s ease}
a:hover{color:#7dd3fc}
button,input{font-family:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0 0 14px;letter-spacing:-.01em}
h1{font-size:clamp(28px,4vw,46px)}
h2{font-size:clamp(23px,2.6vw,34px)}
h3{font-size:clamp(18px,1.7vw,22px)}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.85);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121f;font-size:17px;box-shadow:var(--shadow-glow);
}
.brand-text{font-weight:800;font-size:14.5px;line-height:1.15;max-width:190px}
.brand-text small{display:block;font-size:10.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-list a{
  display:block;padding:9px 14px;border-radius:var(--radius-pill);
  color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap;
}
.nav-list a:hover{color:#fff;background:rgba(56,189,248,.09)}
.nav-list a.active{color:#e0f2fe;background:rgba(37,99,235,.2);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  padding:9px 16px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;
  color:var(--holo);border:1px solid var(--line-strong);background:transparent;
}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-signup{
  padding:10px 20px;border-radius:var(--radius-pill);font-size:14px;font-weight:700;
  color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));
  border:none;box-shadow:0 0 18px rgba(56,189,248,.42);
}
.btn-signup:hover{color:#04121f;box-shadow:0 0 26px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(56,189,248,.08);color:var(--cyan);font-size:18px;margin-left:auto;
}
/* ---------- buttons ---------- */
.btn-glow{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-pill);border:none;
  font-size:15px;font-weight:700;color:#04121f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-glow:hover{color:#04121f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.75)}
.btn-glow:active{transform:translateY(1px) scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:#dff3ff;
  background:rgba(56,189,248,.08);
  border:1px solid var(--line-strong);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
/* ---------- badges ---------- */
.badge-soft,.badge-live,.badge-warn{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
}
.badge-soft{color:#bae6fd;background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3)}
.badge-live{color:#bef264;background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.35)}
.badge-live i{font-size:8px;animation:pulseDot 1.4s infinite}
.badge-warn{color:#fda4af;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.35)}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.25}}
/* ---------- section shells ---------- */
.section{position:relative;padding:76px 0}
.section--tight{padding:50px 0}
.section--alt{background:linear-gradient(180deg,#050d1e,#081a33)}
.section--grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:52px 52px;
}
.section > .container{position:relative;z-index:2}
.section-head{max-width:820px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--holo);margin-bottom:12px;
}
.lead{font-size:16.5px;color:#c6d2e2}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}
/* ---------- glass surfaces ---------- */
.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-lg);
}
.glass--flat{box-shadow:none}
/* ---------- hero bento ---------- */
.hero{
  position:relative;padding:132px 0 70px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,7,18,.66) 0%,rgba(3,7,18,.9) 58%,rgba(3,7,18,1) 100%),
    url('/assets/images/9ea4f3793fe010cf.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero > .container{position:relative;z-index:2}
.bento{display:grid;grid-template-columns:1.6fr 1fr;gap:20px;align-items:stretch}
.bento-main{padding:34px 32px}
.bento-main h1{margin-bottom:16px}
.bento-main .lead{max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-strip{
  margin-top:26px;padding-top:22px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.hero-strip .k{font-size:20px;font-weight:800;color:#e0f2fe;display:block}
.hero-strip .l{font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:600}
.bento-side{display:grid;gap:20px;grid-template-rows:1fr 1fr}
.side-card{padding:24px;display:flex;flex-direction:column;justify-content:space-between;gap:14px}
.side-card .num{font-size:38px;font-weight:800;line-height:1;background:linear-gradient(135deg,#e0f2fe,#38BDF8);-webkit-background-clip:text;background-clip:text;color:transparent}
.side-card h3{font-size:16.5px;margin:0}
.side-card p{font-size:13.5px;color:var(--muted);margin:0}
.mini-thumb{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line)}
.mini-thumb img{width:100%;height:104px;object-fit:cover}
/* ---------- pillar cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:0 20px 44px rgba(2,6,23,.6)}
.card .icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(56,189,248,.22),rgba(37,99,235,.28));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:18px;margin-bottom:16px;
}
.card h3{font-size:18px}
.card p{font-size:14.5px;color:#b9c6d8}
.card ul{list-style:none;padding:0;margin:14px 0 0}
.card ul li{position:relative;padding-left:22px;font-size:14px;color:#b9c6d8;margin-bottom:8px}
.card ul li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;color:var(--cyan);font-size:12px}
/* ---------- flow steps ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:flow}
.flow-item{
  position:relative;padding:24px 20px;border-radius:var(--radius);
  background:var(--panel-2);border:1px solid var(--line);
}
.flow-item::before{
  counter-increment:flow;content:counter(flow,decimal-leading-zero);
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--cyan);
  display:block;margin-bottom:10px;
}
.flow-item h4{font-size:15.5px;margin-bottom:8px}
.flow-item p{font-size:13.5px;color:var(--muted);margin:0}
/* ---------- demo / tool ---------- */
.tool-wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:26px;align-items:start}
.tool-figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);position:relative}
.tool-figure img{width:100%;height:340px;object-fit:cover}
.tool-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:#dbeafe;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}
.tool-form{padding:26px}
.tool-form .row-x{display:grid;gap:14px;grid-template-columns:1fr 1fr}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:12.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.field input{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.72);border:1px solid var(--line);color:var(--text);
  font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.field input::placeholder{color:var(--muted-2)}
.tool-form .btn-glow{margin-top:18px;width:100%;justify-content:center}
.hash-out{
  margin-top:18px;padding:16px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.8);border:1px dashed var(--line-strong);
  font-size:13px;color:#bae6fd;word-break:break-all;min-height:64px;
}
.hash-out b{color:#e0f2fe}
/* ---------- compare table ---------- */
.compare{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.compare table{width:100%;border-collapse:collapse;font-size:14.5px;margin:0}
.compare thead th{
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.16));
  padding:16px 18px;text-align:left;font-weight:800;font-size:13.5px;
  letter-spacing:.05em;text-transform:uppercase;color:#e0f2fe;border-bottom:1px solid var(--line);
}
.compare tbody td{padding:15px 18px;border-bottom:1px solid rgba(56,189,248,.09);color:#c3d0e2;vertical-align:top}
.compare tbody tr:last-child td{border-bottom:none}
.compare tbody tr:nth-child(odd){background:rgba(8,18,41,.5)}
.compare td:first-child{font-weight:700;color:#e2e8f0;width:30%}
.compare .yes{color:#bef264;font-weight:700}
.compare .no{color:#fda4af;font-weight:700}
/* ---------- social proof ---------- */
.proof-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.proof-band div{background:var(--panel-2);padding:22px 20px}
.proof-band .v{font-size:26px;font-weight:800;color:#e0f2fe;display:block;line-height:1.2}
.proof-band .t{font-size:12.5px;color:var(--muted);font-weight:600}
.quote{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:14px;height:100%;
}
.quote p{font-size:14.5px;color:#c9d6e6;font-style:italic}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote .who span{font-size:13px;font-weight:700;color:#e2e8f0}
.quote .who small{display:block;font-size:12px;color:var(--muted-2);font-weight:500}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04121f;font-weight:800;font-size:14px;flex-shrink:0;
}
/* ---------- faq ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--panel-2)}
.faq details{border-bottom:1px solid rgba(56,189,248,.1)}
.faq details:last-child{border-bottom:none}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 56px 20px 22px;position:relative;
  font-size:15.5px;font-weight:700;color:#e6eefb;transition:background .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:rgba(56,189,248,.06)}
.faq summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);color:var(--cyan);transition:transform .25s ease;
}
.faq details[open] summary::after{content:"\f068"}
.faq .ans{padding:0 22px 22px;font-size:14.5px;color:#b9c6d8}
/* ---------- trust bar ---------- */
.trust-bar{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
  padding:18px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(8,18,41,.72);
}
.trust-bar span{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#c3d0e2}
.trust-bar i{color:var(--cyan)}
.age-chip{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:2px solid var(--rose);color:#fda4af;font-weight:800;font-size:12px;
}
/* ---------- final cta ---------- */
.cta-final{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line-strong);
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(3,7,18,.9));
  padding:42px 36px;display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;
}
.cta-final h2{margin-bottom:10px}
.cta-final p{color:#c6d2e2;font-size:15px}
.cta-final .actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
/* ---------- cms list ---------- */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:border-color .25s ease,transform .25s ease;
}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.post-card .thumb{height:170px;overflow:hidden;background:rgba(3,7,18,.7)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .thumb img{transform:scale(1.05)}
.post-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:16.5px;margin:0}
.post-card h3 a{color:#eef4ff}
.post-card h3 a:hover{color:var(--cyan)}
.post-card .meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted-2);font-weight:600}
.post-card .excerpt{font-size:14px;color:#b9c6d8;margin:0}
.empty-note{
  padding:28px;border:1px dashed var(--line-strong);border-radius:var(--radius);
  color:var(--muted);text-align:center;font-size:14.5px;
}
/* ---------- fab ---------- */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;border-radius:var(--radius-pill);
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,var(--cyan),var(--lime));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e0f2fe;font-size:13px;font-weight:700;
  box-shadow:0 0 22px rgba(6,182,212,.4);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab-support:hover{opacity:1;color:#fff;transform:translateY(-2px);box-shadow:0 0 32px rgba(6,182,212,.62)}
.fab-support:active{transform:translateY(1px) scale(.97)}
.fab-support .dot{
  position:absolute;top:2px;right:6px;width:9px;height:9px;border-radius:50%;
  background:var(--rose);box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:pulseDot 1.3s infinite;
}
.fab-support i{font-size:15px;color:var(--cyan)}
/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#020610,#050d1e);
  border-top:1px solid var(--line);padding:64px 0 30px;margin-top:20px;
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-desc{font-size:13.5px;color:var(--muted);margin-top:16px;max-width:340px}
.footer-pay{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer-pay span{
  display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;
  padding:6px 12px;border-radius:var(--radius-pill);
  background:rgba(56,189,248,.08);border:1px solid var(--line);color:#bae6fd;
}
.footer-col h4{font-size:13.5px;text-transform:uppercase;letter-spacing:.1em;color:#dbeafe;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-col a.active{color:#e0f2fe;font-weight:700}
.footer-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:40px 0 24px}
.footer-legal{display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center}
.legal-left{display:flex;align-items:center;gap:14px;max-width:620px}
.legal-left p{font-size:12.5px;color:var(--muted-2);margin:0}
.age-badge{
  display:inline-grid;place-items:center;min-width:38px;height:38px;border-radius:50%;
  border:2px solid var(--rose);color:#fda4af;font-weight:800;font-size:12.5px;flex-shrink:0;
}
.legal-right{display:flex;flex-wrap:wrap;gap:16px}
.legal-right span{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted);font-weight:600}
.legal-right i{color:var(--cyan)}
.footer-bottom{margin-top:22px;padding-top:18px;border-top:1px solid rgba(56,189,248,.08);font-size:12.5px;color:var(--muted-2);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
/* ---------- responsive ---------- */
@media (max-width:1024px){
  .bento{grid-template-columns:1fr}
  .bento-side{grid-template-rows:auto;grid-template-columns:1fr 1fr}
  .grid-3,.post-list{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .tool-wrap{grid-template-columns:1fr}
  .proof-band{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .cta-final{grid-template-columns:1fr}
  .cta-final .actions{justify-content:flex-start}
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav-list{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:2px;padding:14px 20px 20px;margin:0;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    display:none;
  }
  .nav-list.open{display:flex}
  .nav-list a{padding:12px 14px;font-size:15px}
  .nav-actions{display:flex;gap:8px}
  .btn-login,.btn-signup{padding:9px 14px;font-size:13px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:110px 0 54px}
  .bento-main{padding:26px 22px}
  .bento-side{grid-template-columns:1fr}
  .grid-3,.grid-2,.post-list{grid-template-columns:1fr}
  .hero-strip{grid-template-columns:1fr;gap:14px}
  .proof-band{grid-template-columns:1fr}
  .compare table{font-size:13.5px}
  .compare thead th,.compare tbody td{padding:12px}
  .footer-top{grid-template-columns:1fr}
  .tool-form .row-x{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:13px;max-width:150px}
  .brand-text small{font-size:9.5px;letter-spacing:.1em}
  .btn-login{display:none}
  .flow{grid-template-columns:1fr}
  .cta-final{padding:28px 20px}
  .cta-final .actions .btn-glow,.cta-final .actions .btn-ghost{width:100%;justify-content:center}
  .fab-support{padding:12px;bottom:88px}
  .fab-support span{display:none}
  .compare td:first-child{width:38%}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a35;
  --panel:rgba(11,22,45,.72);
  --panel-2:rgba(8,18,41,.92);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.4);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --lime:#A3E635;
  --rose:#F43F5E;
  --amber:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-lg:0 24px 60px rgba(2,6,23,.65);
  --shadow-glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease}
a:hover{color:#7dd3fc}
button{font-family:inherit}
h1,h2,h3,h4{line-height:1.25;margin:0 0 14px;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.4vw,50px)}
h2{font-size:clamp(24px,2.7vw,34px)}
h3{font-size:clamp(18px,1.7vw,22px)}
p{margin:0 0 14px}
ul{margin:0 0 14px;padding-left:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02121f;font-size:17px;box-shadow:var(--shadow-glow);
}
.brand-text{font-weight:800;font-size:14.5px;line-height:1.15;max-width:190px}
.brand-text small{display:block;font-size:10.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-list a{display:block;padding:9px 14px;border-radius:var(--radius-pill);color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap}
.nav-list a:hover{color:#fff;background:rgba(56,189,248,.09)}
.nav-list a.active{color:#e0f2fe;background:rgba(37,99,235,.2);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{padding:9px 16px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;color:var(--holo);border:1px solid var(--line-strong);background:transparent}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-signup{padding:10px 20px;border-radius:var(--radius-pill);font-size:14px;font-weight:700;color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));border:none;box-shadow:0 0 18px rgba(56,189,248,.42)}
.btn-signup:hover{color:#04121f;box-shadow:0 0 26px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:rgba(56,189,248,.08);color:var(--cyan);font-size:18px}
/* buttons */
.btn-glow{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:var(--radius-pill);border:none;font-size:15px;font-weight:700;color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 22px rgba(56,189,248,.45);transition:transform .2s ease,box-shadow .2s ease}
.btn-glow:hover{color:#04121f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.75)}
.btn-glow:active{transform:translateY(1px) scale(.98)}
.btn-ghost{display:inline-flex;align-items:center;gap:9px;padding:13px 24px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;color:#dff3ff;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);transition:background .2s ease,border-color .2s ease,transform .2s ease}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
/* badges */
.badge-soft{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#bae6fd;background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3)}
.badge-live{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:var(--radius-pill);font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#bef264;background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.35)}
.badge-live i{font-size:8px;animation:pulseDot 1.4s infinite}
.badge-warn{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-pill);font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#fda4af;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.35)}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.25}}
/* sections */
.section{position:relative;padding:76px 0}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,#050d1e,#081a33)}
.section--grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:52px 52px;
}
.section>.container{position:relative;z-index:2}
.section-head{max-width:820px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--holo);margin-bottom:12px}
.lead{font-size:16.5px;color:#c6d2e2}
/* glass card */
.glass-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;backdrop-filter:blur(14px);box-shadow:var(--shadow-lg);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 30px rgba(56,189,248,.2)}
.card-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(56,189,248,.12);border:1px solid var(--line);color:var(--cyan);font-size:19px;margin-bottom:16px}
/* hero */
.cat-hero{
  position:relative;padding:126px 0 70px;overflow:hidden;
  background:linear-gradient(180deg,rgba(3,7,18,.6) 0%,rgba(3,7,18,.9) 58%,rgba(3,7,18,1) 100%),url('/assets/images/949cfd4c32ce2478.jpg') center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:linear-gradient(rgba(56,189,248,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.08) 1px,transparent 1px);
  background-size:56px 56px;
}
.cat-hero>.container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-copy h1{margin-bottom:18px}
.hero-copy .lead{max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}
.hero-stat{background:rgba(8,18,41,.7);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px}
.hero-stat b{display:block;font-size:21px;color:#e0f2fe}
.hero-stat span{font-size:12px;color:var(--muted)}
.hero-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-lg)}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-visual-tag{position:absolute;left:16px;bottom:16px;display:flex;gap:8px;flex-wrap:wrap}
/* feature list */
.feature-row{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.feature-row:last-child{border-bottom:none}
.feature-row i{color:var(--cyan);font-size:18px;margin-top:4px}
.feature-row b{display:block;font-size:15.5px;margin-bottom:4px}
.feature-row p{margin:0;color:var(--muted);font-size:14.5px}
/* steps */
.step-item{display:flex;gap:18px;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-2)}
.step-item b{display:block;margin-bottom:6px;font-size:16px}
.step-item p{margin:0;color:var(--muted);font-size:14.5px}
.step-num{width:44px;height:44px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;font-weight:800;color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue))}
/* table */
.compare-table{width:100%;border-collapse:collapse;font-size:14.5px;overflow:hidden;border-radius:var(--radius)}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
.compare-table thead th{background:rgba(56,189,248,.1);color:#e0f2fe;font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.05em}
.compare-table tbody tr{background:rgba(8,18,41,.6)}
.compare-table tbody tr:nth-child(even){background:rgba(11,22,45,.5)}
.compare-table td:first-child{color:#fff;font-weight:600}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
/* tag pills */
.pill-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.pill{padding:7px 14px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;color:#bae6fd;background:rgba(37,99,235,.15);border:1px solid var(--line)}
/* payoff */
.payoff{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center}
.payoff img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow-lg)}
/* faq */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel-2);margin-bottom:12px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;font-size:15.5px;display:flex;justify-content:space-between;gap:12px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);transition:transform .25s ease}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 20px 18px;color:var(--muted);font-size:14.5px}
/* proof cards */
.quote-card{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.quote-card p{color:#dbeafe;font-size:14.5px}
.quote-author{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:13.5px;color:var(--muted)}
.quote-author span.dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
/* list cms */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cms-card{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease}
.cms-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.cms-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cms-card .cms-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.cms-card .cms-meta{font-size:12px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.08em}
.cms-card h3{font-size:16.5px;margin:0}
.cms-card p{font-size:14px;color:var(--muted);margin:0}
.cms-card .cms-link{margin-top:auto;font-size:13.5px;font-weight:700}
.empty-note{color:var(--muted);padding:26px;border:1px dashed var(--line);border-radius:var(--radius);text-align:center}
/* cta band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius);padding:46px 40px;
  background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(56,189,248,.14));
  border:1px solid var(--line-strong);box-shadow:var(--shadow-glow);
  display:flex;gap:28px;align-items:center;justify-content:space-between;flex-wrap:wrap;
}
.cta-band h2{margin-bottom:8px}
.cta-band p{margin:0;color:#dbeafe;max-width:640px}
/* channel matrix */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:12px}
.channel-card .channel-top{display:flex;align-items:center;gap:12px}
.channel-card h3{margin:0;font-size:17px}
.channel-card p{margin:0;font-size:14.5px;color:var(--muted)}
.channel-card .channel-link{margin-top:auto;font-weight:700;font-size:14px}
/* sticky bar */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(3,7,18,.94);backdrop-filter:blur(14px);border-top:1px solid var(--line);
  padding:12px 0;
}
.sticky-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.sticky-bar b{font-size:14.5px}
.sticky-bar span{font-size:13px;color:var(--muted)}
/* footer */
.site-footer{background:#02060f;border-top:1px solid var(--line);padding:64px 0 26px;margin-bottom:64px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand p.footer-desc{color:var(--muted);font-size:14px;margin-top:14px;max-width:360px}
.footer-pay{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.footer-pay span{font-size:12.5px;color:#bae6fd;background:rgba(37,99,235,.15);border:1px solid var(--line);border-radius:var(--radius-pill);padding:6px 12px;display:inline-flex;align-items:center;gap:6px}
.footer-col h4{font-size:14px;text-transform:uppercase;letter-spacing:.12em;color:#e0f2fe;margin-bottom:14px}
.footer-col ul li{margin-bottom:9px}
.footer-col ul a{color:var(--muted);font-size:14px}
.footer-col ul a:hover{color:#fff}
.footer-col ul a.active{color:var(--cyan)}
.footer-divider{height:1px;background:var(--line);margin:36px 0 22px}
.footer-legal{display:flex;gap:20px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap}
.footer-legal .legal-left{display:flex;gap:14px;align-items:flex-start;max-width:640px}
.age-badge{display:inline-flex;width:38px;height:38px;flex-shrink:0;border-radius:10px;align-items:center;justify-content:center;font-weight:800;font-size:13px;color:#fda4af;border:1px solid rgba(244,63,94,.4);background:rgba(244,63,94,.12)}
.footer-legal p{margin:0;font-size:13px;color:var(--muted)}
.legal-right{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted)}
.legal-right span{display:inline-flex;align-items:center;gap:6px}
.copyright{margin-top:22px;font-size:12.5px;color:var(--muted-2)}
/* responsive */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr}
  .cms-grid{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-list{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:12px;gap:4px;display:none;
  }
  .nav-list.open{display:flex}
  .nav-list a{padding:12px 14px;border-radius:12px}
  .nav-actions{margin-left:0}
  .cat-hero{padding:112px 0 54px}
  .section{padding:56px 0}
}
@media(max-width:640px){
  .hero-stats{grid-template-columns:1fr}
  .cms-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .btn-login{padding:8px 12px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .brand-text{display:none}
  .payoff{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a35;
  --panel:rgba(11,22,45,.72);
  --panel-2:rgba(8,18,41,.92);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.4);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --lime:#A3E635;
  --rose:#F43F5E;
  --amber:#F59E0B;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-lg:0 24px 60px rgba(2,6,23,.65);
  --shadow-glow:0 0 24px rgba(56,189,248,.35);
  --container:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease}
a:hover{color:#7dd3fc}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0 0 14px;letter-spacing:-.01em}
p{margin:0 0 14px}
ul{padding-left:0;list-style:none;margin:0}
/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.85);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.site-header .container{display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}
.brand:hover{color:#fff}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121f;font-size:17px;box-shadow:var(--shadow-glow);
}
.brand-text{font-weight:800;font-size:14.5px;line-height:1.15;max-width:190px}
.brand-text small{display:block;font-size:10.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-list a{
  display:block;padding:9px 14px;border-radius:var(--radius-pill);
  color:var(--muted);font-size:14px;font-weight:600;white-space:nowrap;
}
.nav-list a:hover{color:#fff;background:rgba(56,189,248,.09)}
.nav-list a.active{color:#e0f2fe;background:rgba(37,99,235,.2);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  padding:9px 16px;border-radius:var(--radius-pill);font-size:14px;font-weight:600;
  color:var(--holo);border:1px solid var(--line-strong);background:transparent;
}
.btn-login:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-signup{
  padding:10px 20px;border-radius:var(--radius-pill);font-size:14px;font-weight:700;
  color:#04121f;background:linear-gradient(135deg,var(--cyan),var(--blue));
  border:none;box-shadow:0 0 18px rgba(56,189,248,.42);
}
.btn-signup:hover{color:#04121f;box-shadow:0 0 26px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(56,189,248,.08);color:var(--cyan);font-size:18px;
}
/* buttons */
.btn-glow{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:var(--radius-pill);border:none;
  font-size:15px;font-weight:700;color:#04121f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-glow:hover{color:#04121f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.75)}
.btn-glow:active{transform:translateY(1px) scale(.98)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:#dff3ff;
  background:rgba(56,189,248,.08);
  border:1px solid var(--line-strong);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
/* badges */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#bae6fd;background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3);
}
.badge-live{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#bef264;background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.35);
}
.badge-live i{font-size:8px;animation:pulseDot 1.4s infinite}
.badge-warn{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#fda4af;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.35);
}
@keyframes pulseDot{0%,100%{opacity:1}50%{opacity:.25}}
/* sections */
.section{position:relative;padding:76px 0}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,#050d1e,#081a33)}
.section--grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:52px 52px;
}
.section > .container{position:relative;z-index:2}
.section-head{max-width:820px;margin-bottom:34px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--holo);margin-bottom:12px;
}
.lead{font-size:16.5px;color:#c6d2e2}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}
/* hero */
.hero{
  position:relative;padding:132px 0 78px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(3,7,18,.66) 0%,rgba(3,7,18,.9) 58%,rgba(3,7,18,1) 100%),
    url('/assets/images/9ea4f3793fe010cf.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.42;
  background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);
  background-size:58px 58px;
}
.hero > .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(30px,4.2vw,50px);margin-bottom:18px}
.hero h1 .grad{
  background:linear-gradient(120deg,var(--cyan),var(--holo) 45%,var(--lime));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:#cbd5e1;max-width:620px;margin-bottom:24px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stats .stat b{display:block;font-size:24px;font-weight:800;color:#e0f2fe}
.hero-stats .stat span{font-size:12.5px;color:var(--muted)}
.glass-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-lg);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.panel-head h3{font-size:17px;margin:0}
.progress-track{height:10px;border-radius:var(--radius-pill);background:rgba(148,163,184,.16);overflow:hidden;margin:8px 0 16px}
.progress-fill{height:100%;border-radius:var(--radius-pill);background:linear-gradient(90deg,var(--cyan),var(--lime));box-shadow:0 0 14px rgba(163,230,53,.45)}
.progress-row{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}
.invite-row{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(56,189,248,.07);border:1px dashed var(--line-strong);
  font-size:13.5px;color:#cbd5e1;word-break:break-all;margin-bottom:16px;
}
.invite-row i{color:var(--cyan)}
.multiplier-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:6px}
.multiplier-strip div{
  text-align:center;padding:12px 8px;border-radius:var(--radius-sm);
  background:rgba(8,18,41,.86);border:1px solid var(--line);
}
.multiplier-strip b{display:block;font-size:16px;color:var(--cyan)}
.multiplier-strip span{font-size:11px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.08em}
/* cards */
.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:18px}
.feature-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  height:100%;
}
.feature-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 44px rgba(2,6,23,.6)}
.feature-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(37,99,235,.18);border:1px solid rgba(56,189,248,.3);
  color:var(--cyan);font-size:19px;margin-bottom:16px;
}
.feature-card h3{font-size:17.5px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--muted);margin:0}
/* steps */
.step-list{display:grid;gap:16px;counter-reset:step}
.step-item{
  display:grid;grid-template-columns:54px 1fr;gap:18px;align-items:flex-start;
  padding:22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
}
.step-num{
  counter-increment:step;
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  font-size:20px;font-weight:800;color:#04121f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:var(--shadow-glow);
}
.step-item h3{font-size:17px;margin-bottom:8px}
.step-item p{font-size:14.5px;color:var(--muted);margin:0}
/* split block */
.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:center}
.split-media{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-lg);position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover}
.check-list{display:grid;gap:12px;margin-top:18px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.8px;color:#cbd5e1}
.check-list i{color:var(--lime);margin-top:5px}
/* table */
.compare-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel)}
table.compare{width:100%;border-collapse:collapse;min-width:620px}
table.compare th,table.compare td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid rgba(56,189,248,.1)}
table.compare th{background:rgba(37,99,235,.16);color:#e0f2fe;font-weight:700;font-size:13.5px;text-transform:uppercase;letter-spacing:.05em}
table.compare td{color:#cbd5e1}
table.compare tr:last-child td{border-bottom:none}
table.compare td strong{color:#fff}
/* coin list */
.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.rule-item{
  padding:20px;border-radius:var(--radius-sm);
  background:rgba(8,18,41,.86);border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease;
}
.rule-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.rule-item h4{font-size:15.5px;margin-bottom:8px;color:#e0f2fe}
.rule-item p{font-size:14px;color:var(--muted);margin:0}
/* list posts */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{
  display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;height:100%;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 44px rgba(2,6,23,.6)}
.post-card img{width:100%;height:180px;object-fit:cover}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted-2);text-transform:uppercase;letter-spacing:.06em}
.post-meta span{display:inline-flex;align-items:center;gap:5px}
.post-card h3{font-size:16.5px;line-height:1.4;margin:0}
.post-card h3 a{color:#f1f5f9}
.post-card h3 a:hover{color:var(--cyan)}
.post-card p{font-size:14px;color:var(--muted);margin:0}
.post-empty{
  grid-column:1/-1;text-align:center;padding:48px 20px;
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  color:var(--muted);background:rgba(8,18,41,.5);
}
/* faq */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:0;overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:19px 22px;
  font-size:15.8px;font-weight:700;color:#e6f2ff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.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:13px;color:var(--cyan);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--muted);line-height:1.7}
/* cta band */
.cta-band{
  position:relative;border-radius:26px;overflow:hidden;
  padding:52px 44px;background:
    linear-gradient(120deg,rgba(37,99,235,.32),rgba(56,189,248,.16)),
    url('/assets/images/949cfd4c32ce2478.jpg') center/cover no-repeat;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);max-width:640px}
.cta-band p{color:#dbeafe;max-width:620px}
/* trust row */
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust-item{
  padding:18px;border-radius:var(--radius-sm);text-align:center;
  background:rgba(8,18,41,.86);border:1px solid var(--line);
}
.trust-item i{font-size:20px;color:var(--cyan);margin-bottom:10px;display:block}
.trust-item b{display:block;font-size:14.5px;color:#e0f2fe}
.trust-item span{font-size:12.5px;color:var(--muted-2)}
/* footer */
.site-footer{background:#04090f;border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text b{display:block;font-size:14.5px;color:#fff;font-weight:800}
.footer-brand .brand-text i{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.footer-desc{font-size:14px;color:var(--muted);max-width:360px}
.footer-pay{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.footer-pay span{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:#bae6fd;
  padding:6px 11px;border-radius:var(--radius-pill);
  background:rgba(37,99,235,.14);border:1px solid rgba(56,189,248,.26);
}
.footer-col h4{font-size:14px;color:#e0f2fe;margin-bottom:16px;text-transform:uppercase;letter-spacing:.1em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-col a.active{color:var(--cyan)}
.footer-divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:38px 0 22px}
.footer-legal{display:flex;justify-content:space-between;gap:22px;align-items:flex-start;flex-wrap:wrap}
.legal-left{display:flex;gap:13px;align-items:flex-start;max-width:620px}
.age-badge{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#04121f;
  background:linear-gradient(135deg,var(--amber),var(--rose));
}
.legal-left p{font-size:13px;color:var(--muted-2);margin:0}
.legal-right{display:flex;flex-wrap:wrap;gap:16px;font-size:12.5px;color:var(--muted-2)}
.legal-right span{display:inline-flex;align-items:center;gap:6px}
.legal-right i{color:var(--cyan)}
.footer-copy{margin-top:22px;font-size:12.5px;color:var(--muted-2);text-align:center}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  color:#04121f;font-size:22px;border:none;
  box-shadow:0 0 22px rgba(56,189,248,.55);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.08) translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.85);color:#04121f}
.fab:active{transform:scale(.94) translateY(1px)}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:13px;height:13px;border-radius:50%;
  background:var(--rose);border:2px solid #030712;animation:pulseDot 1.6s infinite;
}
/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .trust-row{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .post-list{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-list{
    display:none;position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(4,9,15,.98);border-bottom:1px solid var(--line);
    padding:14px 16px 20px;
  }
  .nav-list.open{display:flex}
  .nav-list a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;order:3}
  .nav-actions{order:2;gap:8px}
  .btn-login{padding:8px 12px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .brand-text{max-width:150px;font-size:13.5px}
  .grid-3,.grid-2,.split,.rule-grid{grid-template-columns:1fr}
  .section{padding:58px 0}
  .hero{padding:118px 0 58px}
  .hero-stats{gap:18px}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .hero h1{font-size:27px}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%;justify-content:center}
  .grid-4,.trust-row,.post-list{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .cta-band{padding:34px 22px}
  .step-item{grid-template-columns:1fr}
  .brand-text small{display:none}
  .btn-login{display:inline-flex}
  .fab{left:12px;bottom:88px;width:52px;height:52px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}