/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0B1A36;
  --panel:rgba(11,22,46,.72);
  --panel-2:rgba(8,17,36,.88);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.38);
  --blue:#2563EB;
  --blue-2:#38BDF8;
  --cyan:#22D3EE;
  --text:#E6EEFB;
  --head:#FFFFFF;
  --muted:#8FA6C4;
  --gold:#FACC15;
  --radius-s:10px;
  --radius:16px;
  --radius-l:26px;
  --shadow:0 20px 44px -22px rgba(2,8,22,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --maxw:1200px;
  --space:clamp(54px,6.4vw,96px);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 560px at 92% 6%,rgba(34,211,238,.16),transparent 60%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 46%,#050B1C 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease}
a:hover{color:#7DD3FC}
h1,h2,h3,h4{color:var(--head);margin:0 0 14px;line-height:1.24;letter-spacing:-.01em;font-weight:750}
h1{font-size:clamp(27px,3.4vw,46px)}
h2{font-size:clamp(22px,2.5vw,34px)}
h3{font-size:clamp(18px,1.6vw,22px)}
h4{font-size:17px}
p{margin:0 0 16px}
ul{margin:0 0 16px;padding-left:20px}
li{margin-bottom:9px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:var(--space) 0;position:relative;z-index:1}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,.2));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-head{max-width:820px;margin-bottom:34px}
.section-head--split{display:flex;gap:26px;justify-content:space-between;align-items:flex-end;max-width:none;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#9BE7FF;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;margin-bottom:16px
}
.lead{color:var(--muted);font-size:16.5px;line-height:1.68}
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g-asym{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr)}
.card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 50px -24px rgba(34,211,238,.42)}
.card h3{margin-bottom:10px}
.card p{color:var(--muted);margin-bottom:0;font-size:15.2px}
.card p + p{margin-top:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02131F;box-shadow:var(--glow)
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.6);color:#02131F}
.btn-primary:active{transform:translateY(1px) scale(.98)}
.btn-ghost{
  background:rgba(56,189,248,.06);color:#CDEBFF;border-color:var(--line-strong)
}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#fff;transform:translateY(-2px)}
.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  padding:6px 12px;border-radius:999px;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#A5E4FF
}
.badge--gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.4);color:#FDE68A}
.badge--hot{background:rgba(244,63,94,.14);border-color:rgba(244,63,94,.42);color:#FDA4AF}
.mini{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:26px 0}
.k-list{list-style:none;padding:0;margin:0}
.k-list li{display:flex;gap:11px;align-items:flex-start;color:#CBD9EC;font-size:15.2px}
.k-list i{color:var(--cyan);margin-top:5px;font-size:13px}
/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,8,22,.82);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .25s ease,box-shadow .25s ease
}
.site-header.is-scrolled{background:rgba(3,8,22,.95);box-shadow:0 12px 34px -20px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0}
.logo:hover{color:#fff}
.logo-mark{
  width:42px;height:42px;flex-shrink:0;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#02131F;font-size:19px;box-shadow:var(--glow)
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-list li{margin:0}
.nav-link{
  display:block;padding:9px 14px;border-radius:999px;font-size:14.6px;font-weight:600;
  color:#B9CBE4;position:relative
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-link.is-active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn-login{padding:9px 16px;border-radius:999px;border:1px solid var(--line-strong);color:#CFE9FF;font-weight:700;font-size:14px;background:transparent}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;color:#02131F;
  background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:var(--glow)
}
.btn-signup:hover{transform:translateY(-2px);color:#02131F;box-shadow:0 0 30px rgba(34,211,238,.6)}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line-strong);
  color:#BFE3FF;font-size:19px;align-items:center;justify-content:center;background:rgba(56,189,248,.06)
}
/* hero */
.hero{position:relative;padding:132px 0 74px;overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34;z-index:0}
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(110deg,rgba(3,7,18,.96) 12%,rgba(4,10,26,.82) 52%,rgba(6,16,38,.72) 100%)
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:38px;align-items:center}
.hero h1{margin-bottom:18px}
.hero p.lead{font-size:17px;max-width:620px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 30px}
.hero-stats{display:flex;gap:26px;flex-wrap:wrap;border-top:1px solid rgba(56,189,248,.16);padding-top:22px}
.hero-stat b{display:block;font-size:24px;color:#fff;font-weight:800}
.hero-stat span{font-size:13px;color:var(--muted)}
.demo-panel{
  background:linear-gradient(165deg,rgba(11,26,54,.9),rgba(6,14,32,.94));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:24px;box-shadow:0 30px 60px -30px rgba(34,211,238,.5);backdrop-filter:blur(16px)
}
.demo-tabs{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap}
.demo-tab{
  padding:8px 14px;border-radius:999px;font-size:13.4px;font-weight:700;
  border:1px solid var(--line);color:#A9C2DE;background:rgba(56,189,248,.05)
}
.demo-tab.is-active{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02131F;border-color:transparent}
.demo-hand{display:flex;gap:10px;flex-wrap:wrap;min-height:92px;align-items:center}
.pcard{
  width:60px;height:84px;border-radius:11px;background:#F8FAFC;color:#0B1A36;
  display:flex;flex-direction:column;justify-content:space-between;padding:7px 8px;
  font-weight:800;font-size:17px;box-shadow:0 10px 20px -12px rgba(0,0,0,.85)
}
.pcard small{align-self:flex-end;font-size:15px;font-weight:800}
.pcard.red{color:#DC2626}
.pcard.ghost{background:rgba(148,163,184,.14);color:#93A7C0;border:1px dashed rgba(148,163,184,.5);align-items:center;justify-content:center;font-size:12px;text-align:center;line-height:1.3;padding:8px}
.demo-note{
  margin-top:18px;padding:16px;border-radius:14px;background:rgba(56,189,248,.07);
  border:1px solid var(--line);font-size:14.6px;color:#C6DAF0
}
.demo-note b{color:#fff}
/* metrics */
.metric{
  text-align:left;padding:22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(12,26,52,.78),rgba(6,14,32,.86));
  border:1px solid var(--line)
}
.metric b{display:block;font-size:clamp(24px,2.6vw,34px);color:#fff;font-weight:800;letter-spacing:-.02em}
.metric span{display:block;font-size:13.6px;color:var(--muted);margin-top:6px}
.metric i{color:var(--cyan);font-size:18px;margin-bottom:12px;display:block}
.ticker{
  display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:22px;
  padding:14px 18px;border-radius:999px;background:rgba(34,211,238,.08);border:1px solid var(--line-strong);
  font-size:14px;color:#BFE3FF
}
.dot{width:9px;height:9px;border-radius:50%;background:#22C55E;box-shadow:0 0 10px #22C55E;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
/* pain */
.pain-item{display:flex;gap:16px;padding:20px;border-radius:var(--radius);border:1px solid rgba(244,63,94,.22);background:linear-gradient(160deg,rgba(46,11,24,.55),rgba(9,14,30,.8))}
.pain-item i{color:#FB7185;font-size:20px;margin-top:3px}
.pain-item h3{font-size:17.5px;margin-bottom:8px}
.pain-item p{color:#B7C6DA;font-size:14.8px;margin:0}
/* solution */
.sol-card{position:relative;overflow:hidden}
.sol-card::after{content:"";position:absolute;left:24px;right:24px;bottom:0;height:2px;background:linear-gradient(90deg,var(--blue),transparent);opacity:.6}
.sol-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:#7DD3FC;font-size:18px
}
/* longform */
.longform{max-width:900px}
.longform h3{margin-top:30px;padding-left:16px;border-left:3px solid var(--blue-2)}
.longform h3:first-of-type{margin-top:26px}
.longform p{color:#C3D3E7;text-align:left}
.tech-box{
  margin:22px 0;padding:22px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(12,26,52,.8),rgba(6,14,32,.9));border:1px solid var(--line)
}
.tech-box h4{margin-bottom:12px;color:#9BE7FF;font-size:15.5px;letter-spacing:.02em;text-transform:uppercase}
/* timeline */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.2))}
.tl-item{position:relative;padding:0 0 26px 4px}
.tl-item::before{content:"";position:absolute;left:-30px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg-3);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(34,211,238,.7)}
.tl-item h4{margin-bottom:6px}
.tl-item p{color:var(--muted);font-size:14.8px;margin:0}
/* table */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,15,33,.6)}
table{width:100%;border-collapse:collapse;min-width:620px}
th,td{padding:15px 18px;text-align:left;font-size:14.8px;border-bottom:1px solid rgba(56,189,248,.1)}
th{background:rgba(56,189,248,.07);color:#BFE3FF;font-size:13px;letter-spacing:.08em;text-transform:uppercase;font-weight:700}
td{color:#C7D7EA}
tbody tr:hover{background:rgba(56,189,248,.05)}
td strong{color:#fff}
.up{color:#4ADE80;font-weight:700}
.down{color:#FB7185;font-weight:700}
/* category wall */
.cat-card{display:block;color:inherit;position:relative;overflow:hidden}
.cat-card img{width:100%;height:172px;object-fit:cover;border-radius:12px;margin-bottom:16px;filter:saturate(1.05)}
.cat-card h3{color:#fff}
.cat-card p{color:var(--muted);font-size:14.8px}
.cat-more{display:inline-flex;align-items:center;gap:8px;color:var(--blue-2);font-weight:700;font-size:14.4px;margin-top:6px}
.cat-card:hover .cat-more{color:#fff}
/* payment */
.pay-strip{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0 26px}
.pay-badge{
  display:inline-flex;align-items:center;gap:9px;padding:11px 16px;border-radius:12px;
  background:rgba(56,189,248,.07);border:1px solid var(--line-strong);font-size:14px;font-weight:700;color:#D6EAFF
}
.pay-badge i{color:var(--cyan)}
.steps{counter-reset:step;list-style:none;padding:0;margin:0}
.steps li{counter-increment:step;position:relative;padding:0 0 20px 52px;color:#C7D7EA;font-size:15px}
.steps li::before{
  content:counter(step);position:absolute;left:0;top:0;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;font-weight:800;font-size:14px;color:#02131F;
  background:linear-gradient(135deg,var(--blue-2),var(--cyan))
}
/* pricing */
.plan{display:flex;flex-direction:column;height:100%}
.plan.is-featured{border-color:var(--line-strong);box-shadow:0 28px 60px -28px rgba(34,211,238,.55)}
.plan-price{font-size:30px;font-weight:800;color:#fff;letter-spacing:-.02em;margin:6px 0 4px}
.plan-price span{font-size:13.5px;font-weight:600;color:var(--muted);letter-spacing:0}
.plan .k-list{margin:18px 0 22px}
.plan .btn{width:100%;margin-top:auto}
/* glossary */
.term{padding:16px 18px;border-radius:12px;background:rgba(8,18,38,.7);border:1px solid var(--line)}
.term b{display:block;color:#fff;font-size:15px;margin-bottom:5px}
.term p{margin:0;font-size:14.2px;color:var(--muted)}
/* testimonial */
.quote{font-size:15.4px;color:#D2E0F1;line-height:1.68}
.who{display:flex;align-items:center;gap:12px;margin-top:16px}
.who span{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;color:#02131F;background:linear-gradient(135deg,var(--blue-2),var(--cyan))}
.who b{display:block;font-size:14.4px;color:#fff}
.who em{font-style:normal;font-size:12.6px;color:var(--muted)}
/* posts */
.posts-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,.55fr);gap:26px;align-items:start}
.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.post-card{
  display:flex;flex-direction:column;gap:10px;padding:20px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--panel),var(--panel-2));border:1px solid var(--line);color:inherit;
  transition:transform .22s ease,border-color .22s ease
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);color:inherit}
.post-card h3{font-size:16.6px;margin:0;color:#fff;line-height:1.4}
.post-card p{color:var(--muted);font-size:14.2px;margin:0}
.post-tag{align-self:flex-start;font-size:11.6px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:#9BE7FF;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);border-radius:999px;padding:4px 11px}
.post-date{font-size:12.6px;color:#7C93B3;margin-top:auto}
.side-item{display:block;padding:14px 0;border-bottom:1px solid rgba(56,189,248,.12);color:inherit}
.side-item:last-child{border-bottom:0}
.side-item b{display:block;font-size:14.6px;color:#E4EEFB;font-weight:600;line-height:1.45}
.side-item:hover b{color:var(--blue-2)}
.side-item small{color:#7C93B3;font-size:12.4px}
.empty{padding:22px;border-radius:var(--radius);background:rgba(56,189,248,.06);border:1px dashed var(--line-strong);color:var(--muted)}
/* trust */
.trust-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.trust-item{display:flex;gap:13px;align-items:flex-start;padding:18px;border-radius:14px;background:rgba(8,18,38,.66);border:1px solid var(--line)}
.trust-item i{color:var(--cyan);font-size:19px;margin-top:3px}
.trust-item b{display:block;color:#fff;font-size:14.8px;margin-bottom:4px}
.trust-item span{font-size:13.6px;color:var(--muted)}
/* faq */
.faq-list{display:grid;gap:12px;max-width:920px}
details.qa{border:1px solid var(--line);border-radius:14px;background:rgba(8,18,38,.66);overflow:hidden}
details.qa[open]{border-color:var(--line-strong)}
details.qa summary{
  list-style:none;cursor:pointer;padding:17px 50px 17px 20px;position:relative;
  font-weight:700;color:#EAF3FF;font-size:15.6px
}
details.qa summary::-webkit-details-marker{display:none}
details.qa summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);color:var(--cyan);transition:transform .25s ease
}
details.qa[open] summary::after{transform:translateY(-50%) rotate(180deg)}
details.qa .qa-body{padding:0 20px 20px;color:var(--muted);font-size:14.9px}
/* form */
.form-shell{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:30px;align-items:start;
  padding:30px;border-radius:var(--radius-l);border:1px solid var(--line-strong);
  background:linear-gradient(150deg,rgba(12,26,52,.82),rgba(5,12,28,.92));box-shadow:var(--shadow)
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.4px;font-weight:700;color:#BFD6EE;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:12px;background:rgba(3,8,22,.75);
  border:1px solid var(--line);color:#EAF3FF;transition:border-color .2s ease,box-shadow .2s ease
}
.field input::placeholder,.field textarea::placeholder{color:#6E86A6}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.18)}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;display:inline-flex;align-items:center;gap:10px;
  padding:13px 18px;border-radius:999px;font-weight:800;font-size:13.6px;color:#EAF7FF;
  background:rgba(7,12,26,.82);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,12,26,.86),rgba(7,12,26,.86)),linear-gradient(135deg,#A3E635,#06B6D4);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.45);transition:transform .22s ease,box-shadow .22s ease,opacity .22s ease;opacity:.8
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 34px rgba(6,182,212,.7);color:#fff}
.fab:active{transform:translateY(1px) scale(.97)}
.fab i{color:#A3E635}
.fab .pip{position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;background:#F43F5E;box-shadow:0 0 10px #F43F5E;animation:pulse 1.4s infinite}
/* footer */
.site-footer{border-top:1px solid rgba(56,189,248,.14);background:linear-gradient(180deg,rgba(4,9,23,.6),rgba(2,5,14,.96));padding:60px 0 26px;position:relative;z-index:1}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,.9fr));gap:30px}
.foot-brand p{color:var(--muted);font-size:14.6px;max-width:340px}
.foot-col h4{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:#9BE7FF;margin-bottom:16px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin-bottom:10px}
.foot-col a{color:#AEc2DA;font-size:14.4px}
.foot-col a:hover{color:#fff}
.foot-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13.4px;color:#7C93B3
}
.age-badge{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;border:1px solid rgba(250,204,21,.5);color:#FDE68A;font-weight:800;font-size:13px}
@media (max-width:1024px){
  .hero-grid,.g-asym,.posts-grid,.form-shell{grid-template-columns:1fr}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-toggle{display:inline-flex}
  .site-nav{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;gap:14px;
    background:rgba(4,10,26,.98);border-bottom:1px solid var(--line-strong);padding:18px 20px 24px;
    margin-left:0;display:none
  }
  .site-nav.is-open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:12px 14px}
  .nav-actions{justify-content:flex-start}
}
@media (max-width:768px){
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .post-list{grid-template-columns:1fr}
  .hero{padding:118px 0 56px}
  .hero-stats{gap:18px}
  .sec-head--split{flex-direction:column;align-items:flex-start}
  .form-grid{grid-template-columns:1fr}
  .fab{left:12px;bottom:80px;padding:12px 15px;font-size:13px}
}
@media (max-width:520px){
  body{font-size:15.4px}
  .container{padding:0 16px}
  .logo-text span{display:none}
  .card{padding:20px}
  .trust-strip{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .demo-panel{padding:18px}
  .hero-cta .btn{width:100%}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0B1A36;
  --panel:rgba(11,22,46,.72);
  --panel-2:rgba(8,17,36,.88);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.38);
  --blue:#2563EB;
  --blue-2:#38BDF8;
  --cyan:#22D3EE;
  --text:#E6EEFB;
  --head:#FFFFFF;
  --muted:#8FA6C4;
  --gold:#FACC15;
  --radius-s:10px;
  --radius:16px;
  --radius-l:26px;
  --shadow:0 20px 44px -22px rgba(2,8,22,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --maxw:1200px;
  --space:clamp(54px,6.4vw,96px);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 560px at 92% 6%,rgba(34,211,238,.16),transparent 60%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 46%,#050B1C 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease}
a:hover{color:#7DD3FC}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{color:var(--head);margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0 0 14px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:var(--space) 0;position:relative;z-index:1}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,.2));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-head{max-width:820px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#9BE7FF;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;margin-bottom:16px
}
.lead{color:var(--muted);font-size:16.5px;line-height:1.68}
.grid{display:grid;gap:20px}
.card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 50px -24px rgba(34,211,238,.42)}
.card h3{margin-bottom:10px;font-size:18px}
.card p{color:var(--muted);margin-bottom:0;font-size:15.2px}
.card p + p{margin-top:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02131F;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.6);color:#02131F}
.btn-primary:active{transform:translateY(1px) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.06);color:#CDEBFF;border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#fff;transform:translateY(-2px)}
.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  padding:6px 12px;border-radius:999px;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#A5E4FF
}
.badge--gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.4);color:#FDE68A}
.badge--hot{background:rgba(244,63,94,.14);border-color:rgba(244,63,94,.42);color:#FDA4AF}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:26px 0}
.k-list{list-style:none;padding:0;margin:0}
.k-list li{display:flex;gap:11px;align-items:flex-start;color:#CBD9EC;font-size:15.2px;margin-bottom:10px}
.k-list li:last-child{margin-bottom:0}
.k-list i{color:var(--cyan);margin-top:6px;font-size:12px}
/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,8,22,.82);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .25s ease,box-shadow .25s ease
}
.site-header.is-scrolled{background:rgba(3,8,22,.95);box-shadow:0 12px 34px -20px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0}
.logo:hover{color:#fff}
.logo-mark{
  width:42px;height:42px;flex-shrink:0;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#02131F;font-size:19px;box-shadow:var(--glow)
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-list li{margin:0}
.nav-link{display:block;padding:9px 14px;border-radius:999px;font-size:14.6px;font-weight:600;color:#B9CBE4}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-link.is-active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn-login{padding:9px 16px;border-radius:999px;border:1px solid var(--line-strong);color:#CFE9FF;font-weight:700;font-size:14px;background:transparent;display:inline-flex;align-items:center}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;color:#02131F;
  background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:var(--glow);
  display:inline-flex;align-items:center
}
.btn-signup:hover{transform:translateY(-2px);color:#02131F;box-shadow:0 0 30px rgba(34,211,238,.62)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);color:#CDEBFF;font-size:17px;
  place-items:center
}
/* page hero */
.page-hero{
  position:relative;padding:112px 0 42px;
  background-image:
    linear-gradient(100deg,rgba(3,7,18,.94) 0%,rgba(4,12,30,.82) 52%,rgba(6,20,42,.6) 100%),
    url("/assets/images/c08a10f681ba4778.jpg");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(56,189,248,.55),transparent)
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:#9FC4E8}
.crumbs i{font-size:10px;color:#5B7BA3}
.page-hero h1{
  font-size:clamp(26px,3.5vw,42px);line-height:1.2;font-weight:800;max-width:940px;margin-bottom:16px
}
.page-hero .sapo{max-width:820px;color:#B7C9E1;font-size:16.5px;line-height:1.7}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#BFD6EE;
  background:rgba(9,20,42,.7);border:1px solid var(--line);border-radius:999px;padding:8px 14px
}
.meta-pill i{color:var(--cyan);font-size:12px}
/* layout */
.layout-article{
  display:grid;grid-template-columns:minmax(0,720px) minmax(272px,1fr);
  gap:34px;align-items:start
}
.article-main{min-width:0}
.article-side{position:sticky;top:96px;display:grid;gap:18px}
.cover-figure{margin:0 0 30px;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-figure figcaption{padding:12px 18px;font-size:13.5px;color:var(--muted);background:rgba(6,14,32,.85)}
/* article body */
.article-body{font-size:16.6px;line-height:1.72;color:#D6E2F2}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(21px,2.4vw,26px);margin:38px 0 14px;padding-left:16px;
  border-left:3px solid var(--cyan);line-height:1.3
}
.article-body h3{font-size:19px;margin:28px 0 10px;color:#EAF4FF}
.article-body h4{font-size:17px;margin:22px 0 8px;color:#DCEBFF}
.article-body p{margin:0 0 16px}
.article-body strong{color:#fff;font-weight:700}
.article-body em{color:#BFD9F5}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:9px}
.article-body ul li::marker{color:var(--cyan)}
.article-body ol li::marker{color:var(--cyan);font-weight:700}
.article-body img{border-radius:var(--radius);border:1px solid var(--line);margin:20px 0}
.article-body blockquote{
  margin:22px 0;padding:18px 20px;border-radius:var(--radius);
  background:rgba(56,189,248,.07);border-left:3px solid var(--blue-2);
  color:#CFE6FF;font-style:italic
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:rgba(56,189,248,.1);color:#EAF6FF;font-weight:700}
.article-body hr{border:0;height:1px;background:var(--line);margin:30px 0}
.notice{
  text-align:center;padding:48px 26px;border-radius:var(--radius-l);
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px dashed var(--line-strong)
}
.notice i{font-size:34px;color:var(--blue-2);margin-bottom:14px}
.notice p{color:var(--muted);margin-bottom:20px}
/* key points */
.key-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.key-item{
  padding:20px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(11,22,46,.7),rgba(8,17,36,.86));
  transition:border-color .25s ease,transform .25s ease
}
.key-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.key-item span{display:inline-flex;width:34px;height:34px;border-radius:10px;align-items:center;justify-content:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:#9BE7FF;font-weight:800;font-size:14px;margin-bottom:12px}
.key-item h3{font-size:16.5px;margin-bottom:8px}
.key-item p{color:var(--muted);font-size:14.8px;margin:0}
/* steps */
.step-list{margin-top:12px}
.step{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step-num{
  flex:0 0 42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#02131F;font-weight:800
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{color:var(--muted);font-size:15px;margin:0}
/* pay cards */
.pay-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:8px}
.pay-card{
  padding:18px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(11,22,46,.74),rgba(8,17,36,.9));
  text-align:left;transition:border-color .25s ease,transform .25s ease
}
.pay-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.pay-card i{font-size:20px;color:var(--cyan);margin-bottom:10px;display:block}
.pay-card b{display:block;color:#fff;font-size:15px;margin-bottom:5px}
.pay-card small{color:var(--muted);font-size:13.2px;line-height:1.5;display:block}
/* faq */
.faq{margin-top:8px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(8,17,36,.6)}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;color:#E8F2FF;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;transition:background .2s ease
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:rgba(56,189,248,.07)}
.faq summary i{color:var(--cyan);font-size:14px;margin-top:4px;transition:transform .25s ease}
.faq details[open] summary i{transform:rotate(180deg)}
.faq .faq-body{padding:0 22px 20px;color:var(--muted);font-size:15.2px;line-height:1.7}
/* cta */
.cta-box{
  border-radius:var(--radius-l);padding:32px;border:1px solid var(--line-strong);
  background:
    radial-gradient(600px 220px at 88% 0%,rgba(34,211,238,.18),transparent 62%),
    linear-gradient(160deg,rgba(11,24,50,.94),rgba(5,12,28,.96));
  box-shadow:var(--shadow)
}
.cta-box h2{font-size:clamp(21px,2.5vw,27px);margin-bottom:12px}
.cta-box p{color:#B7C9E1;max-width:640px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:22px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;font-weight:700;letter-spacing:.04em;color:#A9C2DC;text-transform:uppercase}
.field input,.field select{
  padding:13px 15px;border-radius:12px;border:1px solid var(--line);
  background:rgba(4,10,24,.8);color:#EAF4FF;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease
}
.field input::placeholder{color:#66809F}
.field input:focus,.field select:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.form-note{font-size:13px;color:var(--muted);margin:14px 0 0}
.form-actions{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
/* side panels */
.side-panel{
  border-radius:var(--radius);border:1px solid var(--line);padding:22px;
  background:linear-gradient(160deg,var(--panel),var(--panel-2));box-shadow:var(--shadow)
}
.side-panel h3{font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:#9BE7FF;margin-bottom:16px}
.side-cat{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;
  border:1px solid var(--line);background:rgba(6,14,32,.6);color:#D7E6F8;font-size:14.6px;font-weight:600;
  margin-bottom:10px;transition:border-color .2s ease,background .2s ease,transform .2s ease
}
.side-cat:last-child{margin-bottom:0}
.side-cat:hover{border-color:var(--line-strong);background:rgba(56,189,248,.1);color:#fff;transform:translateX(3px)}
.side-cat i{color:var(--cyan);font-size:14px}
.pay-strip{display:flex;flex-wrap:wrap;gap:9px}
.pay-badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.8px;font-weight:700;
  padding:7px 12px;border-radius:999px;border:1px solid var(--line-strong);
  background:rgba(56,189,248,.08);color:#BFE7FF
}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 20px;border-radius:999px;font-weight:800;font-size:13.6px;color:#02131F;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  border:1px solid rgba(56,189,248,.55);
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.4s ease-in-out infinite
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 34px rgba(34,211,238,.72);color:#02131F}
.fab:active{transform:translateY(1px) scale(.97)}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.36)}50%{box-shadow:0 0 30px rgba(6,182,212,.62)}}
/* footer */
.site-footer{
  position:relative;z-index:1;margin-top:20px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(4,10,24,.6),rgba(2,6,16,.98));
  border-top:1px solid var(--line)
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand p{color:var(--muted);font-size:14.6px;max-width:400px}
.foot-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:#9BE7FF;margin-bottom:16px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin-bottom:10px}
.foot-col a{color:#B6CBE3;font-size:14.6px}
.foot-col a:hover{color:#fff}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13.4px;color:#7E94B2
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:28px;
  border-radius:8px;border:1px solid rgba(244,63,94,.5);color:#FDA4AF;font-weight:800;font-size:13px
}
/* responsive */
@media (max-width:1024px){
  .layout-article{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .pay-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  .header-inner{height:66px;gap:12px}
  .nav-toggle{display:grid}
  .site-nav{
    position:fixed;top:66px;left:0;right:0;z-index:79;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(4,10,24,.98);border-bottom:1px solid var(--line-strong);
    padding:14px 20px 22px;margin-left:0;
    max-height:0;overflow:hidden;opacity:0;pointer-events:none;
    transition:max-height .3s ease,opacity .25s ease,padding .3s ease
  }
  .site-nav.is-open{max-height:520px;opacity:1;pointer-events:auto}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;width:100%}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px}
  .nav-actions{margin-top:14px;flex-direction:column;align-items:stretch;gap:10px;width:100%}
  .btn-login,.btn-signup{justify-content:center;width:100%}
  .page-hero{padding:92px 0 34px}
  .article-side{grid-template-columns:minmax(0,1fr)}
  .key-grid{grid-template-columns:minmax(0,1fr)}
  .form-grid{grid-template-columns:minmax(0,1fr)}
  .cot{grid-template-columns:1fr}
  .cta-box{padding:24px}
  .foot-grid{grid-template-columns:1fr}
  .fab{bottom:20px;left:14px;padding:12px 16px;font-size:13px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .page-hero h1{font-size:24px}
  .page-hero .sapo{font-size:15.4px}
  .article-body{font-size:16px}
  .article-body h2{font-size:20px}
  .pay-grid{grid-template-columns:minmax(0,1fr)}
  .logo-text span{display:none}
  .btn{padding:12px 20px;font-size:14.4px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0B1A36;
  --panel:rgba(11,22,46,.72);
  --panel-2:rgba(8,17,36,.88);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.38);
  --blue:#2563EB;
  --blue-2:#38BDF8;
  --cyan:#22D3EE;
  --text:#E6EEFB;
  --head:#FFFFFF;
  --muted:#8FA6C4;
  --gold:#FACC15;
  --radius-s:10px;
  --radius:16px;
  --radius-l:26px;
  --shadow:0 20px 44px -22px rgba(2,8,22,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --maxw:1200px;
  --space:clamp(54px,6.4vw,96px);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 560px at 92% 6%,rgba(34,211,238,.16),transparent 60%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 46%,#050B1C 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease}
a:hover{color:#7DD3FC}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{color:var(--head);margin:0 0 12px;line-height:1.25;font-weight:800;letter-spacing:-.015em}
h1{font-size:clamp(29px,4.3vw,45px)}
h2{font-size:clamp(23px,2.9vw,33px)}
h3{font-size:19px}
h4{font-size:15.5px}
p{margin:0 0 14px}
ul{margin:0}
::selection{background:rgba(56,189,248,.32);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:var(--space) 0;position:relative;z-index:1}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.62),rgba(3,7,18,.2));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-head{max-width:840px;margin-bottom:34px}
.section-head--split{display:flex;gap:26px;justify-content:space-between;align-items:flex-end;max-width:none;flex-wrap:wrap}
.section-head--split > div{max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#9BE7FF;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;margin-bottom:16px;
}
.lead{color:var(--muted);font-size:16.4px;line-height:1.68}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 50px -24px rgba(34,211,238,.42)}
.card p{color:var(--muted);font-size:15.2px}
.card p:last-child{margin-bottom:0}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin-bottom:14px;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:#9BE7FF;font-size:18px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02131F;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.6);color:#02131F}
.btn-primary:active{transform:translateY(1px) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.06);color:#CDEBFF;border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#fff;transform:translateY(-2px)}
.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  padding:6px 12px;border-radius:999px;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#A5E4FF;
}
.badge--gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.4);color:#FDE68A}
.badge--hot{background:rgba(244,63,94,.14);border-color:rgba(244,63,94,.42);color:#FDA4AF}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 26px}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:26px 0}
.k-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.k-list li{display:flex;gap:11px;align-items:flex-start;color:#CBD9EC;font-size:15.2px;line-height:1.6}
.k-list i{color:var(--cyan);margin-top:5px;font-size:13px;flex-shrink:0}
.muted{color:var(--muted)}
/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,8,22,.82);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(3,8,22,.95);box-shadow:0 12px 34px -20px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0}
.logo:hover{color:#fff}
.logo-mark{
  width:42px;height:42px;flex-shrink:0;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#02131F;font-size:19px;box-shadow:var(--glow);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-link{display:block;padding:9px 14px;border-radius:999px;font-size:14.6px;font-weight:600;color:#B9CBE4}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-link.is-active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn-login{padding:9px 16px;border-radius:999px;border:1px solid var(--line-strong);color:#CFE9FF;font-weight:700;font-size:14px;background:transparent}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-signup{padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;color:#02131F;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:var(--glow)}
.btn-signup:hover{transform:translateY(-2px);color:#02131F;box-shadow:0 0 30px rgba(34,211,238,.55)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);color:#CFE9FF;background:rgba(56,189,248,.08);place-items:center;font-size:18px;margin-left:auto}
/* hero */
.hero-cat{position:relative;padding:146px 0 74px;overflow:hidden}
.hero-cat::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('/assets/images/c08a10f681ba4778.jpg') center/cover no-repeat;
  opacity:.3;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:linear-gradient(105deg,rgba(3,7,18,.97) 6%,rgba(4,10,24,.86) 46%,rgba(8,18,41,.6) 100%);
}
.hero-cat .container{z-index:2}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:38px;align-items:center}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a{color:#A5E4FF}
.crumb span{opacity:.6}
.hero-lead{font-size:17px;color:#C7D8ED;max-width:640px;line-height:1.68}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-panel{
  background:linear-gradient(165deg,rgba(12,24,50,.9),rgba(6,13,30,.94));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:26px;box-shadow:0 0 40px -12px rgba(34,211,238,.4);backdrop-filter:blur(16px);
}
.hero-panel h3{font-size:17px;margin-bottom:6px}
.hero-panel > p{font-size:14.4px;color:var(--muted);margin-bottom:18px}
.mini-stat{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.2)}
.mini-stat:last-of-type{border-bottom:0}
.mini-stat b{font-size:20px;color:#7DE3FF;min-width:62px;font-weight:800}
.mini-stat span{font-size:14px;color:#C2D3E8}
.hero-panel .panel-note{margin-top:16px;font-size:13px;color:#8FA6C4;display:flex;gap:8px;align-items:flex-start}
/* metrics */
.metric{
  background:linear-gradient(160deg,rgba(10,22,46,.8),rgba(6,13,30,.9));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:6px;
}
.metric b{font-size:clamp(26px,3vw,36px);font-weight:800;color:#7DE3FF;letter-spacing:-.02em;line-height:1.1}
.metric span{font-size:13.6px;color:var(--muted);line-height:1.5}
.metric i{color:var(--cyan);font-size:15px;margin-bottom:2px}
/* tech cards */
.tech-card{padding:0;overflow:hidden}
.tech-card img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.86;transition:opacity .3s ease,transform .5s ease}
.tech-card:hover img{opacity:1;transform:scale(1.04)}
.tech-body{padding:20px 22px 24px}
.tech-tag{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:#FDE68A;background:rgba(250,204,21,.12);border:1px solid rgba(250,204,21,.35);
  border-radius:999px;padding:4px 10px;margin-bottom:10px;
}
/* compare */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-col{border-radius:var(--radius);padding:26px;border:1px solid var(--line);background:linear-gradient(165deg,var(--panel),var(--panel-2))}
.compare-col.is-good{border-color:rgba(74,222,128,.34);background:linear-gradient(165deg,rgba(9,32,26,.82),rgba(6,14,28,.92))}
.compare-col.is-bad{border-color:rgba(244,63,94,.3);background:linear-gradient(165deg,rgba(38,10,22,.78),rgba(6,14,28,.92))}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:18px}
.compare-col .k-list li{color:#CBD9EC}
.compare-col.is-bad .k-list i{color:#FB7185}
.compare-col.is-good .k-list i{color:#4ADE80}
/* timeline */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.step{background:linear-gradient(165deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:var(--radius);padding:24px;position:relative}
.step b.step-no{
  display:grid;place-items:center;width:38px;height:38px;border-radius:12px;margin-bottom:14px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02131F;font-weight:800;font-size:16px;
  box-shadow:var(--glow);
}
.step h3{font-size:16.5px}
.step p{font-size:14.6px;color:var(--muted);margin:0}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{display:flex;flex-direction:column;gap:10px}
.post-card h3{font-size:17px;margin:0}
.post-card h3 a{color:#fff}
.post-card h3 a:hover{color:#7DD3FC}
.post-card p{font-size:14.8px;color:var(--muted);margin:0;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:#7FA3C9;border-top:1px solid rgba(56,189,248,.14);padding-top:12px}
.post-meta i{color:var(--cyan);margin-right:5px}
.empty-note{
  grid-column:1/-1;text-align:left;color:var(--muted);font-size:15px;
  border:1px dashed var(--line-strong);border-radius:var(--radius);padding:22px;background:rgba(8,17,36,.6);
}
/* guarantee */
.g-item{display:flex;gap:16px;align-items:flex-start;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(165deg,var(--panel),var(--panel-2))}
.g-item i{font-size:20px;color:#7DE3FF;margin-top:2px}
.g-item h3{font-size:16.5px;margin-bottom:6px}
.g-item p{font-size:14.6px;color:var(--muted);margin:0}
/* quick answers */
.qa{border-left:3px solid rgba(56,189,248,.5);padding:6px 0 6px 18px}
.qa h3{font-size:16.5px;margin-bottom:6px}
.qa p{font-size:14.8px;color:var(--muted);margin:0}
/* faq */
.faq{display:grid;gap:12px;max-width:940px}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(165deg,var(--panel),var(--panel-2));
  padding:18px 22px;transition:border-color .25s ease,background .25s ease;
}
.faq details[open]{border-color:var(--line-strong);background:linear-gradient(165deg,rgba(11,26,54,.86),rgba(6,13,30,.94))}
.faq summary{
  cursor:pointer;list-style:none;font-weight:700;color:#fff;font-size:16.2px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--cyan);font-size:13px;transition:transform .25s ease}
.faq details[open] summary::after{content:"\f068"}
.faq p{margin:12px 0 0;font-size:15px;color:var(--muted)}
/* cta */
.cta-band{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line-strong);box-shadow:0 0 46px -16px rgba(34,211,238,.45)}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/f7fb1c94f29e6ea5.jpg') center/cover no-repeat;opacity:.22}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(4,10,26,.95),rgba(8,20,44,.86))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1.05fr;gap:34px;padding:clamp(26px,3.6vw,44px)}
.cta-copy h2{margin-bottom:12px}
.cta-copy p{color:#C2D3E8;font-size:15.6px}
.cta-form{display:grid;gap:14px}
.form-row{display:grid;gap:6px}
.form-row label{font-size:13.4px;font-weight:700;color:#B9CBE4;letter-spacing:.02em}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-s);
  background:rgba(3,9,22,.78);border:1px solid var(--line);color:#EAF3FF;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:#6F88A6}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.16)
}
.form-note{font-size:13.2px;color:#93AACDFF;color:#93AACD;margin:0}
/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:flex;align-items:center;gap:12px;
  padding:12px 18px 12px 12px;border-radius:999px;
  background:rgba(7,10,24,.82);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,10,24,.86),rgba(7,10,24,.86)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 34px rgba(6,182,212,.7);color:#fff}
.fab:active{transform:scale(.96)}
.fab-icon{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,rgba(34,211,238,.28),rgba(37,99,235,.3));
  color:#9BE7FF;font-size:16px;border:1px solid var(--line-strong);
}
.fab-text{font-size:12.4px;line-height:1.3;color:#B9CBE4;text-align:left}
.fab-text b{display:block;color:#fff;font-size:13.6px}
.fab-dot{
  position:absolute;top:8px;right:12px;width:10px;height:10px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 3px rgba(244,63,94,.22);animation:pulse 1.6s infinite
}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(244,63,94,.22)}50%{box-shadow:0 0 0 7px rgba(244,63,94,.05)}}
/* footer */
.site-footer{position:relative;z-index:1;margin-top:20px;border-top:1px solid rgba(56,189,248,.16);background:linear-gradient(180deg,rgba(4,10,24,.86),rgba(2,5,14,.98));padding:60px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{color:var(--muted);font-size:14.6px}
.foot-col h4{font-size:13.4px;letter-spacing:.12em;text-transform:uppercase;color:#9BE7FF;margin-bottom:14px}
.foot-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.foot-col a{color:#B9CBE4;font-size:14.4px}
.foot-col a:hover{color:#fff}
.pay-strip{display:flex;flex-wrap:wrap;gap:10px}
.pay-badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.4px;font-weight:700;
  padding:7px 13px;border-radius:999px;color:#CDEBFF;
  background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7F97B6;
}
.age-badge{
  display:inline-grid;place-items:center;min-width:44px;height:30px;padding:0 10px;border-radius:10px;
  font-weight:800;font-size:13px;color:#FDE68A;background:rgba(250,204,21,.1);border:1px solid rgba(250,204,21,.34);
}
/* responsive */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr}
}
@media (max-width:1024px){
  .nav-toggle{display:grid}
  .site-nav{
    position:absolute;top:74px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:10px;
    background:rgba(3,8,22,.99);border-bottom:1px solid var(--line-strong);padding:16px 20px 22px;
    box-shadow:0 24px 40px -22px rgba(0,0,0,.95);
  }
  .site-nav.is-open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-actions{gap:10px}
  .nav-actions .btn-login,.nav-actions .btn-signup{flex:1;text-align:center}
}
@media (max-width:768px){
  .hero-cat{padding:128px 0 56px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .tech-card img{aspect-ratio:16/10}
}
@media (max-width:520px){
  .grid-4,.timeline,.news-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .logo-text b{font-size:14.6px}
  .logo-text span{font-size:10.5px}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .fab{bottom:88px;padding:10px 14px 10px 10px}
  .fab-text{display:none}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0B1A36;
  --panel:rgba(11,22,46,.72);
  --panel-2:rgba(8,17,36,.88);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.38);
  --blue:#2563EB;
  --blue-2:#38BDF8;
  --cyan:#22D3EE;
  --text:#E6EEFB;
  --head:#FFFFFF;
  --muted:#8FA6C4;
  --gold:#FACC15;
  --radius-s:10px;
  --radius:16px;
  --radius-l:26px;
  --shadow:0 20px 44px -22px rgba(2,8,22,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --maxw:1200px;
  --space:clamp(54px,6.4vw,96px);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 560px at 92% 6%,rgba(34,211,238,.16),transparent 60%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 46%,#050B1C 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease}
a:hover{color:#7DD3FC}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{color:var(--head);margin:0 0 14px;line-height:1.24;letter-spacing:-.015em}
h1{font-size:clamp(28px,3.6vw,44px);font-weight:800}
h2{font-size:clamp(23px,2.5vw,32px);font-weight:800}
h3{font-size:18px;font-weight:700}
h4{font-size:15.5px;font-weight:700}
p{margin:0 0 14px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:var(--space) 0;position:relative;z-index:1}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.62),rgba(3,7,18,.2));border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-head{max-width:830px;margin-bottom:34px}
.section-head--split{display:flex;gap:28px;justify-content:space-between;align-items:flex-end;max-width:none;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#9BE7FF;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;margin-bottom:16px;
}
.lead{color:var(--muted);font-size:16.5px;line-height:1.68}
.grid{display:grid;gap:20px}
.card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 50px -24px rgba(34,211,238,.42)}
.card p{color:var(--muted);margin-bottom:0;font-size:15.2px}
.card p + p{margin-top:10px}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.1);border:1px solid var(--line-strong);
  color:#9BE7FF;font-size:18px;margin-bottom:16px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02131F;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.6);color:#02131F}
.btn-primary:active{transform:translateY(1px) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.06);color:#CDEBFF;border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#fff;transform:translateY(-2px)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  padding:6px 12px;border-radius:999px;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#A5E4FF;
}
.badge--gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.4);color:#FDE68A}
.badge--hot{background:rgba(244,63,94,.14);border-color:rgba(244,63,94,.42);color:#FDA4AF}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:26px 0}
.k-list{list-style:none;padding:0;margin:0}
.k-list li{display:flex;gap:11px;align-items:flex-start;color:#CBD9EC;font-size:15.2px;line-height:1.6}
.k-list li + li{margin-top:11px}
.k-list i{color:var(--cyan);margin-top:5px;font-size:13px;flex-shrink:0}
/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,8,22,.82);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(3,8,22,.95);box-shadow:0 12px 34px -20px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0}
.logo:hover{color:#fff}
.logo-mark{
  width:42px;height:42px;flex-shrink:0;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#02131F;font-size:19px;box-shadow:var(--glow);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-list li{margin:0}
.nav-link{display:block;padding:9px 14px;border-radius:999px;font-size:14.6px;font-weight:600;color:#B9CBE4;position:relative}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-link.is-active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn-login{padding:9px 16px;border-radius:999px;border:1px solid var(--line-strong);color:#CFE9FF;font-weight:700;font-size:14px;background:transparent}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-signup{padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;color:#02131F;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:var(--glow)}
.btn-signup:hover{transform:translateY(-2px);color:#02131F;box-shadow:0 0 30px rgba(34,211,238,.55)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);color:#CFE9FF;font-size:18px;
}
.nav-toggle:hover{background:rgba(56,189,248,.16);color:#fff}
/* hero */
.hero{
  position:relative;overflow:hidden;
  padding:calc(74px + 66px) 0 82px;
  border-bottom:1px solid rgba(56,189,248,.1);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/c08a10f681ba4778.jpg') center/cover no-repeat;
  opacity:.2;filter:saturate(.85);
}
.hero::after{
  content:"";position:absolute;left:-12%;right:-12%;bottom:-90px;height:210px;
  background:linear-gradient(180deg,rgba(37,99,235,.34),rgba(34,211,238,.05) 60%,transparent);
  transform:skewY(-3.6deg);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:46px;align-items:center}
.hero h1{margin-bottom:16px}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--blue-2),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lead{max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-panel{
  background:linear-gradient(160deg,rgba(11,22,46,.9),rgba(6,14,30,.94));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:22px;box-shadow:var(--shadow);backdrop-filter:blur(16px);
}
.hero-panel img{border-radius:var(--radius);margin-bottom:18px;border:1px solid var(--line)}
.panel-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.18);font-size:14.6px}
.panel-row:last-child{border-bottom:0}
.panel-row span{color:var(--muted)}
.panel-row b{color:#fff;font-weight:700}
/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;transition:transform .25s ease,border-color .25s ease;
}
.stat:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.stat b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.1}
.stat span{display:block;margin-top:8px;font-size:13.6px;color:var(--muted);line-height:1.55}
.stat i{color:var(--cyan);font-size:15px;margin-bottom:10px;display:block}
.note-strip{
  margin-top:20px;display:grid;grid-template-columns:repeat(2,1fr);gap:18px;
}
.note{
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;
  background:rgba(8,17,36,.6);display:flex;gap:14px;align-items:flex-start;
}
.note i{color:var(--gold);font-size:17px;margin-top:3px}
.note p{margin:0;color:#CBD9EC;font-size:14.8px}
/* matrix */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.matrix-item{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.matrix-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 46px -26px rgba(34,211,238,.5)}
.matrix-item h3{margin-bottom:8px;font-size:17px}
.matrix-item p{color:var(--muted);font-size:14.8px;margin-bottom:12px}
.matrix-item .mini{display:flex;flex-wrap:wrap;gap:8px}
/* scene */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene{
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(11,22,46,.7),rgba(6,14,30,.9));
  padding:26px;display:flex;gap:20px;align-items:flex-start;
}
.scene-num{
  flex-shrink:0;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:#9BE7FF;font-weight:800;
}
.scene h3{margin-bottom:8px}
.scene p{margin:0;color:var(--muted);font-size:15px}
/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{border-radius:var(--radius-l);border:1px solid var(--line);padding:26px;background:rgba(8,17,36,.7)}
.compare-col--good{border-color:var(--line-strong);background:linear-gradient(160deg,rgba(37,99,235,.2),rgba(6,14,30,.9));box-shadow:var(--glow)}
.compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-col--bad h3 i{color:#FDA4AF}
.compare-col--good h3 i{color:var(--cyan)}
.compare-col .k-list li{font-size:14.9px}
/* flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.flow-step{position:relative;padding:26px 22px 22px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,17,36,.66)}
.flow-step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-14px;left:20px;
  font-size:13px;font-weight:800;letter-spacing:.1em;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02131F;
  padding:5px 12px;border-radius:999px;
}
.flow-step h3{font-size:16.4px;margin-bottom:8px;margin-top:8px}
.flow-step p{color:var(--muted);font-size:14.6px;margin:0}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 24px 50px -24px rgba(34,211,238,.45)}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:rgba(56,189,248,.08)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:8px}
.news-body h3{font-size:16.6px;margin:0}
.news-body h3 a{color:#fff}
.news-body h3 a:hover{color:var(--blue-2)}
.news-body p{color:var(--muted);font-size:14.6px;margin:0;flex:1}
.news-empty{padding:26px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);text-align:center}
.more-row{margin-top:30px;display:flex;justify-content:flex-start}
/* trust */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(8,17,36,.62);text-align:left}
.trust-item i{font-size:22px;color:var(--cyan);margin-bottom:14px;display:block}
.trust-item h3{font-size:16.4px;margin-bottom:8px}
.trust-item p{margin:0;color:var(--muted);font-size:14.6px}
.guarantee{
  margin-top:22px;padding:22px 24px;border-radius:var(--radius-l);
  border:1px solid rgba(250,204,21,.34);background:rgba(250,204,21,.06);
  display:flex;gap:16px;align-items:flex-start;
}
.guarantee i{color:var(--gold);font-size:20px;margin-top:3px}
.guarantee p{margin:0;color:#F6E7B6;font-size:15px}
/* faq */
.faq{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,17,36,.66);overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,22,46,.85)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;gap:14px;align-items:center;
  font-weight:700;color:#fff;font-size:15.8px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);font-size:14px;transition:transform .25s ease}
.faq-item[open] summary i{transform:rotate(90deg)}
.faq-item p{padding:0 22px 20px 50px;margin:0;color:var(--muted);font-size:15px}
/* cta */
.cta-wrap{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:start}
.cta-copy .k-list li{font-size:15.2px}
.cta-form{
  border:1px solid var(--line-strong);border-radius:var(--radius-l);padding:28px;
  background:linear-gradient(160deg,rgba(11,22,46,.92),rgba(5,12,28,.95));
  box-shadow:var(--shadow);backdrop-filter:blur(16px);
}
.form-row{display:grid;gap:8px;margin-bottom:16px}
.form-row label{font-size:13.6px;font-weight:700;color:#C6DAF2;letter-spacing:.02em}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-s);
  border:1px solid var(--line);background:rgba(3,8,22,.72);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none;
}
.form-row textarea{min-height:96px;resize:vertical}
.form-two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:12.8px;color:var(--muted);margin:14px 0 0}
/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid rgba(34,211,238,.55);
  color:#A5F3FC;font-size:21px;opacity:.78;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:transform .22s ease,opacity .22s ease,box-shadow .22s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 0 32px rgba(34,211,238,.7);color:#E0FBFF}
.fab:active{transform:scale(.94) translateY(2px)}
.fab .fab-dot{
  position:absolute;top:5px;right:5px;width:11px;height:11px;border-radius:50%;
  background:#22D3EE;box-shadow:0 0 10px rgba(34,211,238,.9);
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.4)}
  50%{box-shadow:0 0 30px rgba(34,211,238,.7)}
}
/* footer */
.site-footer{
  position:relative;z-index:1;margin-top:20px;
  border-top:1px solid rgba(56,189,248,.14);
  background:linear-gradient(180deg,rgba(3,8,22,.5),rgba(2,5,14,.96));
  padding:64px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand p{color:var(--muted);font-size:14.6px;max-width:340px}
.foot-col h4{font-size:14px;text-transform:uppercase;letter-spacing:.12em;color:#9BE7FF;margin-bottom:16px}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li + li{margin-top:10px}
.foot-col a{color:#B9CBE4;font-size:14.6px}
.foot-col a:hover{color:#fff}
.pay-strip{display:flex;flex-wrap:wrap;gap:9px}
.pay-badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.6px;font-weight:600;
  padding:7px 12px;border-radius:999px;color:#BFE6FF;
  background:rgba(56,189,248,.09);border:1px solid var(--line);
}
.foot-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  color:var(--muted);font-size:13.4px;
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:28px;padding:0 10px;border-radius:8px;
  border:1px solid var(--line-strong);color:#9BE7FF;font-weight:800;font-size:13px;
}
/* responsive */
@media (max-width:1080px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
  .foot-brand{grid-column:1 / -1}
}
@media (max-width:980px){
  .nav-toggle{display:grid;place-items:center}
  .site-nav{
    position:absolute;top:74px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:14px;
    padding:20px;display:none;
    background:rgba(3,8,22,.98);border-bottom:1px solid var(--line-strong);
    box-shadow:0 24px 50px -24px rgba(0,0,0,.95);
    max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .site-nav.is-open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:12px 14px;font-size:15.4px}
  .nav-actions{flex-direction:row;justify-content:flex-start;gap:12px;flex-wrap:wrap}
  .btn-login,.btn-signup{padding:12px 20px}
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .hero{padding-top:calc(74px + 46px)}
  .compare{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
}
@media (max-width:680px){
  .stat-grid{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .note-strip{grid-template-columns:1fr}
  .form-two{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .logo-text b{font-size:15px}
  .logo-text span{font-size:10.6px}
  .scene{flex-direction:column;gap:14px}
  .faq-item p{padding-left:22px}
}
@media (max-width:480px){
  .hero{padding:calc(74px + 34px) 0 62px}
  .btn{width:100%}
  .hero-actions .btn,.more-row .btn{width:100%}
  .fab{left:12px;bottom:84px;width:52px;height:52px;font-size:19px}
}

/* roulang page: category3 */
/* ================= DESIGN SYSTEM ================= */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0B1A36;
  --panel:rgba(11,22,46,.72);
  --panel-2:rgba(8,17,36,.88);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.38);
  --blue:#2563EB;
  --blue-2:#38BDF8;
  --cyan:#22D3EE;
  --text:#E6EEFB;
  --head:#FFFFFF;
  --muted:#8FA6C4;
  --gold:#FACC15;
  --danger:#F43F5E;
  --radius-s:10px;
  --radius:16px;
  --radius-l:26px;
  --shadow:0 20px 44px -22px rgba(2,8,22,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --maxw:1200px;
  --space:clamp(54px,6.4vw,96px);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 560px at 92% 6%,rgba(34,211,238,.16),transparent 60%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 46%,#050B1C 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease}
a:hover{color:#7DD3FC}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0 0 12px;color:var(--head);font-weight:800;line-height:1.26;letter-spacing:-.01em}
h1{font-size:clamp(30px,4.3vw,50px)}
h2{font-size:clamp(24px,2.9vw,36px)}
h3{font-size:19px}
h4{font-size:16px}
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(--maxw);margin:0 auto;padding:0 20px;position:relative;z-index:1}
.section{padding:var(--space) 0;position:relative;z-index:1}
.section--alt{
  background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,.2));
  border-top:1px solid rgba(56,189,248,.08);
  border-bottom:1px solid rgba(56,189,248,.08);
}
.section-head{max-width:820px;margin-bottom:34px}
.section-head--split{display:flex;gap:26px;justify-content:space-between;align-items:flex-end;max-width:none;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#9BE7FF;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 14px;margin-bottom:16px;
}
.lead{color:var(--muted);font-size:16.5px;line-height:1.68}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(14px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 24px 50px -24px rgba(34,211,238,.42)}
.card p{color:var(--muted);font-size:15.2px}
.card p + p{margin-top:10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#02131F;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.6);color:#02131F}
.btn-primary:active{transform:translateY(1px) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.06);color:#CDEBFF;border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px) scale(.98)}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  padding:6px 12px;border-radius:999px;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#A5E4FF;
}
.badge--gold{background:rgba(250,204,21,.12);border-color:rgba(250,204,21,.4);color:#FDE68A}
.badge--hot{background:rgba(244,63,94,.14);border-color:rgba(244,63,94,.42);color:#FDA4AF}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:26px 0}
.k-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.k-list li{display:flex;gap:11px;align-items:flex-start;color:#CBD9EC;font-size:15.2px;line-height:1.6}
.k-list i{color:var(--cyan);margin-top:5px;font-size:13px}
.check-list li i{color:#34D399}

/* ================= HEADER / NAV ================= */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(3,8,22,.82);backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(3,8,22,.95);box-shadow:0 12px 34px -20px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0}
.logo:hover{color:#fff}
.logo-mark{
  width:42px;height:42px;flex-shrink:0;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#02131F;font-size:19px;box-shadow:var(--glow);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:22px}
.nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav-link{display:block;padding:9px 14px;border-radius:999px;font-size:14.6px;font-weight:600;color:#B9CBE4}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-link.is-active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px}
.btn-login{padding:9px 16px;border-radius:999px;border:1px solid var(--line-strong);color:#CFE9FF;font-weight:700;font-size:14px;background:transparent}
.btn-login:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-signup{padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;color:#02131F;background:linear-gradient(135deg,var(--blue),var(--cyan));box-shadow:var(--glow)}
.btn-signup:hover{transform:translateY(-2px);color:#02131F;box-shadow:0 0 30px rgba(34,211,238,.55)}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);color:#CFE9FF;font-size:18px;background:rgba(56,189,248,.08)}

/* ================= HERO ================= */
.hero{
  position:relative;padding:130px 0 70px;overflow:hidden;
  background-image:
    linear-gradient(100deg,rgba(3,8,22,.94) 0%,rgba(3,8,22,.78) 52%,rgba(8,18,41,.7) 100%),
    url('/assets/images/c08a10f681ba4778.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(56,189,248,.12);
}
.hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.hero h1{margin-bottom:18px}
.hero h1 span{background:linear-gradient(120deg,var(--blue-2),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:#C3D4EA;font-size:17px;max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-panel{
  background:linear-gradient(160deg,rgba(11,22,46,.92),rgba(8,17,36,.96));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:28px;box-shadow:0 30px 60px -30px rgba(2,8,22,.98),inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(18px);
}
.hero-panel h3{font-size:15px;text-transform:uppercase;letter-spacing:.12em;color:#9BE7FF;margin-bottom:18px}
.progress-meta{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--muted);margin-bottom:9px}
.progress-meta b{color:#fff;font-size:15px}
.progress{height:10px;border-radius:999px;background:rgba(56,189,248,.14);overflow:hidden;border:1px solid rgba(56,189,248,.2)}
.progress-bar{height:100%;width:75%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 16px rgba(34,211,238,.6)}
.seat-row{display:flex;gap:10px;margin:20px 0 8px}
.seat{
  flex:1;border-radius:12px;padding:12px 10px;text-align:center;
  background:rgba(56,189,248,.06);border:1px solid var(--line);font-size:12.5px;color:#B9CBE4;
}
.seat i{display:block;font-size:16px;margin-bottom:6px;color:var(--blue-2)}
.seat.is-filled{background:rgba(34,211,238,.14);border-color:var(--line-strong);color:#DFF5FF}
.seat.is-filled i{color:var(--cyan)}
.seat.is-empty{border-style:dashed;color:#7F97B4}
.hero-panel .note{font-size:13.4px;color:var(--muted);margin:14px 0 18px}
.copy-note{
  display:none;margin-top:12px;font-size:13.4px;color:#A7F3D0;
  background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.34);
  border-radius:var(--radius-s);padding:9px 12px;
}
.copy-note.is-on{display:block}

/* ================= METRICS ================= */
.metric{padding:22px}
.metric i{font-size:20px;color:var(--cyan);margin-bottom:12px;display:block}
.metric b{display:block;font-size:clamp(24px,3vw,32px);font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.1}
.metric span{display:block;color:var(--muted);font-size:14px;margin-top:8px}

/* ================= SKILL CARDS ================= */
.skill-card{display:flex;flex-direction:column;gap:14px}
.skill-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.skill-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);font-size:19px;
}
.skill-card h3{font-size:17.5px;margin-bottom:4px}
.skill-card p{font-size:14.8px}

/* ================= COMPARE ================= */
.compare-col{padding:26px;border-radius:var(--radius);border:1px solid var(--line)}
.compare-col--bad{background:linear-gradient(160deg,rgba(69,10,10,.34),rgba(8,17,36,.85))}
.compare-col--good{background:linear-gradient(160deg,rgba(6,46,32,.34),rgba(8,17,36,.85));border-color:rgba(16,185,129,.32)}
.compare-col h3{display:flex;align-items:center;gap:10px}
.compare-col--bad h3 i{color:#FB7185}
.compare-col--good h3 i{color:#34D399}
.compare-col .k-list li{font-size:15px}
.compare-figure{margin-top:22px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.compare-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ================= TIMELINE ================= */
.timeline{position:relative;padding-left:30px;display:grid;gap:24px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--blue-2),rgba(56,189,248,.05))}
.tl-item{position:relative}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:20px;height:20px;border-radius:50%;
  background:radial-gradient(circle at 35% 35%,#7DD3FC,#0B1A36);border:2px solid var(--blue-2);
}
.tl-item h3{font-size:17px;margin-bottom:6px}
.tl-item span.tl-tag{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#9BE7FF}
.tl-item p{color:var(--muted);font-size:15px;margin-top:6px}

/* ================= NEWS LIST ================= */
.news-card{padding:0;overflow:hidden;display:flex;flex-direction:column}
.news-thumb{display:block;position:relative;overflow:hidden}
.news-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(3,8,22,.86))}
.news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.6px;color:var(--muted);align-items:center}
.news-body h3{font-size:17px;margin:0}
.news-body h3 a{color:#fff}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{font-size:14.6px;color:var(--muted);flex:1}
.news-more{margin-top:30px;display:flex;justify-content:center}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:34px 24px;text-align:center;color:var(--muted);
}

/* ================= ASSURANCE ================= */
.assure-card{display:flex;gap:16px;align-items:flex-start}
.assure-card i{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);font-size:18px;
}
.assure-card h3{font-size:16.5px;margin-bottom:6px}
.assure-card p{font-size:14.6px}
.pay-strip{display:flex;flex-wrap:wrap;gap:10px}
.pay-badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.6px;font-weight:700;
  padding:7px 13px;border-radius:999px;background:rgba(56,189,248,.08);
  border:1px solid var(--line);color:#BFE6FF;
}

/* ================= QUICK ANSWERS ================= */
.qa-row{
  display:grid;grid-template-columns:1.05fr 1.4fr;gap:22px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.qa-row:last-child{border-bottom:0}
.qa-row h4{margin:0;font-size:16.4px;color:#fff;display:flex;gap:10px;align-items:flex-start}
.qa-row h4 i{color:var(--cyan);font-size:14px;margin-top:5px}
.qa-row p{margin:0;color:var(--muted);font-size:15px}

/* ================= FAQ ================= */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(160deg,var(--panel),var(--panel-2));margin-bottom:14px;overflow:hidden;transition:border-color .25s ease}
.faq-item[open]{border-color:var(--line-strong);box-shadow:0 20px 44px -26px rgba(34,211,238,.45)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-weight:700;color:#fff;font-size:16.2px;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);transition:transform .25s ease;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:15.2px}

/* ================= CTA FORM ================= */
.cta-panel{
  background:
    linear-gradient(120deg,rgba(8,18,41,.94),rgba(3,8,22,.96)),
    url('/assets/images/42e1ecb8406cab23.jpg');
  background-size:cover;background-position:center;
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:clamp(26px,4vw,46px);box-shadow:var(--shadow);
}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.cta-form{display:grid;gap:16px}
.field{display:grid;gap:7px}
.field label{font-size:13.4px;font-weight:700;color:#B9CBE4;letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-s);
  background:rgba(3,8,22,.72);border:1px solid var(--line);color:#fff;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:#6E86A3}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.14);
}
.field textarea{min-height:104px;resize:vertical}
.form-note{font-size:13px;color:var(--muted)}
.form-ok{
  display:none;margin-top:4px;font-size:14px;color:#A7F3D0;
  background:rgba(16,185,129,.12);border:1px solid rgba(16,185,129,.34);
  border-radius:var(--radius-s);padding:12px 14px;
}
.form-ok.is-on{display:block}

/* ================= FAB ================= */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:20px;
  display:grid;place-items:center;
  color:#DFF7FF;font-size:20px;
  background:rgba(7,7,13,.78);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.8;transition:opacity .25s ease,transform .2s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(6,182,212,.7);color:#fff}
.fab:active{transform:scale(.94)}
.fab-dot{position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;background:#EF4444;box-shadow:0 0 0 2px rgba(3,8,22,.9);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(1.18)}}

/* ================= FOOTER ================= */
.site-footer{
  margin-top:20px;padding:56px 0 26px;position:relative;z-index:1;
  background:linear-gradient(180deg,rgba(3,8,22,.4),rgba(2,6,16,.96));
  border-top:1px solid var(--line);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand p{color:var(--muted);font-size:14.6px;max-width:430px}
.foot-col h4{font-size:13.4px;text-transform:uppercase;letter-spacing:.12em;color:#A5E4FF;margin-bottom:14px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot-col a{color:#B9CBE4;font-size:14.4px}
.foot-col a:hover{color:#fff}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  color:var(--muted);font-size:13.4px;
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:28px;border-radius:8px;font-weight:800;font-size:12.5px;
  background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.4);color:#FDA4AF;
}

/* ================= RESPONSIVE ================= */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:34px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:1024px){
  .nav-toggle{display:grid;place-items:center}
  .site-nav{
    position:fixed;top:74px;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:14px;
    padding:18px 20px 26px;background:rgba(3,8,22,.98);
    border-bottom:1px solid var(--line-strong);max-height:calc(100vh - 74px);overflow:auto;
  }
  .site-nav.is-open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{padding:12px 14px;font-size:15.2px}
  .nav-actions{display:flex;gap:12px}
  .nav-actions .btn-login,.nav-actions .btn-signup{flex:1;text-align:center}
}
@media (max-width:860px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qa-row{grid-template-columns:1fr;gap:10px}
}
@media (max-width:620px){
  body{font-size:15.6px}
  .hero{padding:112px 0 54px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .logo-text b{font-size:15px}
  .logo-text span{display:none}
  .card{padding:20px}
  .hero-panel{padding:22px}
  .seat-row{flex-wrap:wrap}
  .seat{flex:1 1 44%}
  .hero-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .fab{width:52px;height:52px;bottom:88px;left:12px}
}