/* roulang page: index */
:root{
  --bg:#080d1d;
  --bg-deep:#050814;
  --surface:#101a33;
  --surface-2:#142242;
  --glass:rgba(18,31,62,.66);
  --glass-strong:rgba(12,22,47,.88);
  --line:rgba(119,165,255,.2);
  --line-bright:rgba(0,224,255,.5);
  --text:#f4f8ff;
  --muted:#aebbd4;
  --muted-2:#73829f;
  --blue:#1167ff;
  --cyan:#00e0ff;
  --lime:#b9ff37;
  --gold:#ffd45a;
  --red:#ff4e73;
  --shadow:0 18px 55px rgba(0,0,0,.32);
  --shadow-neon:0 0 0 1px rgba(0,224,255,.12),0 0 28px rgba(0,131,255,.16);
  --radius:18px;
  --radius-sm:12px;
  --container:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  min-width:320px;
  color:var(--text);
  background:var(--bg-deep);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.62;
  overflow-x:hidden;
}
body:before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  background:
    radial-gradient(circle at 15% 10%,rgba(0,113,255,.19),transparent 29rem),
    radial-gradient(circle at 93% 24%,rgba(0,224,255,.10),transparent 26rem),
    linear-gradient(180deg,#080d1d 0%,#060a17 72%,#080d1d 100%);
}
body:after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  opacity:.28;
  pointer-events:none;
  background-image:linear-gradient(rgba(87,131,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(87,131,255,.08) 1px,transparent 1px);
  background-size:42px 42px;
  mask-image:linear-gradient(to bottom,black,transparent 75%);
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
button{border:0;cursor:pointer}
:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
.section{position:relative;padding:96px 0}
.section-top{max-width:760px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:13px;
  color:var(--cyan);
  font-size:.74rem;
  line-height:1.2;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
h1,h2,h3,p{margin-top:0}
h1{
  max-width:970px;
  margin-bottom:19px;
  font-size:clamp(2.25rem,5vw,4.8rem);
  line-height:1.07;
  letter-spacing:-.052em;
}
h2{
  margin-bottom:12px;
  font-size:clamp(1.65rem,3vw,2.65rem);
  line-height:1.15;
  letter-spacing:-.035em;
}
h3{font-size:1.15rem;line-height:1.32;margin-bottom:8px}
p{color:var(--muted)}
.section-intro{max-width:700px;margin-bottom:0}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:48px;
  padding:12px 19px;
  border-radius:10px;
  border:1px solid transparent;
  font-size:.9rem;
  font-weight:800;
  line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(1px) scale(.98)}
.btn-primary{
  color:#061125;
  background:linear-gradient(135deg,var(--cyan),#86eeff);
  box-shadow:0 0 22px rgba(0,224,255,.24);
}
.btn-primary:hover{box-shadow:0 0 33px rgba(0,224,255,.48)}
.btn-secondary{
  color:var(--text);
  border-color:rgba(106,173,255,.38);
  background:rgba(8,16,36,.55);
}
.btn-secondary:hover{border-color:var(--cyan);background:rgba(18,45,88,.8)}
.btn-small{min-height:38px;padding:9px 13px;font-size:.78rem}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 9px;
  border:1px solid rgba(185,255,55,.36);
  border-radius:999px;
  color:var(--lime);
  background:rgba(185,255,55,.08);
  font-size:.71rem;
  font-weight:800;
}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  border-bottom:1px solid rgba(125,166,255,.16);
  background:rgba(5,8,20,.78);
  backdrop-filter:blur(18px);
}
.nav-wrap{display:flex;align-items:center;min-height:76px;gap:30px}
.brand{display:flex;align-items:center;gap:10px;min-width:0;font-weight:900;line-height:1.05}
.brand-mark{
  position:relative;
  flex:0 0 37px;
  width:37px;
  height:37px;
  display:grid;
  place-items:center;
  color:var(--cyan);
  border:1px solid var(--cyan);
  background:linear-gradient(145deg,rgba(18,103,255,.42),rgba(0,224,255,.08));
  box-shadow:0 0 20px rgba(0,224,255,.19),inset 0 0 15px rgba(0,224,255,.12);
  clip-path:polygon(18% 0,82% 0,100% 18%,100% 82%,82% 100%,18% 100%,0 82%,0 18%);
}
.brand-mark span{font-size:1.05rem}
.brand-name{font-size:.84rem;max-width:215px}
.brand-name strong{display:block;color:#fff}
.brand-name em{display:block;margin-top:3px;color:var(--muted-2);font-size:.63rem;font-style:normal;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
.main-nav a{
  padding:10px 12px;
  color:var(--muted);
  border-radius:8px;
  font-size:.84rem;
  font-weight:750;
  transition:color .2s,background .2s;
}
.main-nav a:hover,.main-nav a.active{color:var(--text);background:rgba(39,84,162,.24)}
.main-nav a.active{color:var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:8px}
.login-link{padding:8px 7px;color:#dce7ff;font-size:.81rem;font-weight:800;white-space:nowrap}
.login-link:hover{color:var(--cyan)}
.sign-link{min-height:38px;padding:9px 12px;white-space:nowrap}
.mobile-toggle{display:none;width:38px;height:38px;color:var(--text);background:transparent;font-size:1.2rem}
.hero{
  min-height:670px;
  position:relative;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(4,9,25,.94) 0%,rgba(7,15,37,.77) 48%,rgba(5,9,25,.78) 100%),url('/assets/images/backpic/back-1.jpg');
  background-size:cover;
  background-position:center;
}
.hero:before{
  content:"";
  position:absolute;
  width:620px;
  height:620px;
  right:-140px;
  top:-180px;
  border:1px solid rgba(0,224,255,.22);
  border-radius:50%;
  box-shadow:0 0 110px rgba(0,95,255,.2),inset 0 0 80px rgba(0,224,255,.06);
}
.hero:after{
  content:"";
  position:absolute;
  inset:0;
  opacity:.3;
  background:linear-gradient(125deg,transparent 0 42%,rgba(0,224,255,.08) 42.2%,transparent 42.5% 100%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;padding:82px 0 78px}
.hero-copy{text-align:center;margin-inline:auto;max-width:1030px}
.hero-copy .eyebrow{justify-content:center}
.hero-copy p{max-width:790px;margin:0 auto 28px;font-size:1.04rem}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.launch-board{
  display:grid;
  grid-template-columns:1.05fr .95fr 1.2fr;
  gap:16px;
  align-items:stretch;
  max-width:1000px;
  margin:48px auto 0;
  text-align:left;
}
.glass{
  border:1px solid var(--line);
  background:linear-gradient(145deg,rgba(22,41,82,.75),rgba(8,16,39,.63));
  box-shadow:var(--shadow-neon);
  backdrop-filter:blur(13px);
}
.progress-panel,.tier-panel,.support-panel{padding:18px;clip-path:polygon(0 0,94% 0,100% 13%,100% 100%,6% 100%,0 87%)}
.progress-panel{display:flex;gap:15px;align-items:center}
.progress-ring{
  width:72px;height:72px;flex:0 0 72px;border-radius:50%;
  display:grid;place-items:center;
  background:conic-gradient(var(--cyan) 0 72%,rgba(117,150,220,.16) 72% 100%);
  box-shadow:0 0 22px rgba(0,224,255,.25);
}
.progress-ring:before{
  content:"72%";
  display:grid;place-items:center;
  width:57px;height:57px;border-radius:50%;
  background:#0a132b;color:white;font-size:.86rem;font-weight:900;
}
.panel-kicker{margin:0 0 4px;color:var(--muted-2);font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.panel-value{margin:0;color:white;font-size:1.02rem;font-weight:900;line-height:1.3}
.tier-panel{display:flex;flex-direction:column;justify-content:center}
.tier-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:4px 0;color:var(--muted);font-size:.78rem}
.tier-row + .tier-row{border-top:1px solid rgba(125,166,255,.14)}
.tier-row strong{color:var(--gold);font-size:.8rem}
.support-panel{display:flex;flex-direction:column;justify-content:center;gap:12px}
.support-panel .btn{width:100%}
.category-section{padding-bottom:60px}
.category-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:18px}
.category-card{
  position:relative;
  min-height:270px;
  overflow:hidden;
  padding:29px;
  border:1px solid var(--line);
  background:#102045;
  isolation:isolate;
  transition:transform .25s ease,border-color .25s,box-shadow .25s;
}
.category-card:before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(5,11,29,.97) 12%,rgba(6,13,33,.7) 62%,rgba(6,13,33,.08)),var(--card-image) center/cover;
  transition:transform .4s ease;
}
.category-card:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:0 18px 43px rgba(0,75,255,.25)}
.category-card:hover:before{transform:scale(1.05)}
.category-card h2{max-width:420px;margin-top:42px;font-size:1.7rem}
.category-card p{max-width:420px;margin-bottom:18px;font-size:.91rem}
.category-number{color:var(--cyan);font-size:.76rem;font-weight:900;letter-spacing:.14em}
.signal-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  border:1px solid var(--line);
  background:var(--line);
}
.signal-item{padding:23px 21px;background:rgba(10,18,41,.86)}
.signal-item strong{display:block;margin-bottom:4px;color:var(--cyan);font-size:1.45rem;line-height:1}
.signal-item span{color:var(--muted);font-size:.8rem}
.split-layout{display:grid;grid-template-columns:.88fr 1.12fr;gap:70px;align-items:start}
.sticky-copy{position:sticky;top:104px}
.rule-list{margin:26px 0 0;padding:0;list-style:none}
.rule-list li{position:relative;padding:0 0 18px 31px;color:var(--muted);font-size:.93rem}
.rule-list li:before{
  content:"✓";position:absolute;left:0;top:1px;display:grid;place-items:center;width:19px;height:19px;
  color:var(--lime);border:1px solid rgba(185,255,55,.42);font-size:.72rem;font-weight:900;
}
.offer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}
.offer-card{padding:22px;border:1px solid var(--line);background:var(--glass);transition:transform .2s,border-color .2s,box-shadow .2s}
.offer-card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:var(--shadow-neon)}
.offer-icon{display:grid;place-items:center;width:39px;height:39px;margin-bottom:18px;color:var(--cyan);border:1px solid rgba(0,224,255,.35);background:rgba(0,224,255,.08);font-size:1.1rem}
.offer-card h3{font-size:1rem}
.offer-card p{margin:0;font-size:.86rem}
.promo-layout{display:grid;grid-template-columns:1.13fr .87fr;gap:20px}
.promo-wall{
  padding:30px;
  min-height:355px;
  background:linear-gradient(135deg,rgba(5,17,49,.84),rgba(15,43,95,.63)),url('/assets/images/coverpic/cover-3.jpg') center/cover;
}
.promo-wall h2{max-width:650px;margin-top:44px}
.promo-wall p{max-width:620px}
.promo-details{padding:8px 0}
.promo-detail{padding:22px 0;border-bottom:1px solid var(--line)}
.promo-detail:first-child{padding-top:0}
.promo-detail:last-child{border-bottom:0}
.promo-detail h3{display:flex;gap:11px;align-items:center;margin-bottom:7px}
.promo-detail h3 span{color:var(--gold)}
.promo-detail p{margin-bottom:0;font-size:.9rem}
.payment-section{padding-top:65px;padding-bottom:65px;border-block:1px solid var(--line);background:rgba(7,16,37,.53)}
.payment-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}
.payment-image{position:relative;min-height:300px;overflow:hidden;border:1px solid var(--line)}
.payment-image img{height:100%;width:100%;object-fit:cover;opacity:.68}
.payment-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent,rgba(5,12,29,.8))}
.payment-caption{position:absolute;left:23px;bottom:19px;z-index:1;font-weight:900;font-size:1.05rem}
.payment-copy h2{max-width:560px}
.payment-options{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0}
.pay-badge{padding:8px 11px;border:1px solid rgba(0,224,255,.28);color:#d9faff;background:rgba(0,224,255,.07);font-size:.78rem;font-weight:850}
.pay-badge b{color:var(--cyan)}
.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px;margin-top:20px}
.mini-grid article{padding:16px;border-left:2px solid var(--blue);background:rgba(13,29,63,.52)}
.mini-grid h3{margin-bottom:5px;font-size:.91rem}
.mini-grid p{margin-bottom:0;font-size:.82rem}
.management-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.capital-chart{padding:25px;min-height:310px}
.chart-head{display:flex;justify-content:space-between;gap:20px;margin-bottom:27px}
.chart-head strong{font-size:1.1rem}
.chart-head span{color:var(--lime);font-size:.78rem;font-weight:800}
.chart-bars{display:flex;align-items:end;gap:10px;height:162px;padding-bottom:25px;border-bottom:1px solid var(--line)}
.chart-bars i{display:block;flex:1;min-width:10px;background:linear-gradient(180deg,var(--cyan),rgba(17,103,255,.22));box-shadow:0 -3px 14px rgba(0,224,255,.2)}
.chart-bars i:nth-child(1){height:36%}.chart-bars i:nth-child(2){height:50%}.chart-bars i:nth-child(3){height:43%}.chart-bars i:nth-child(4){height:69%}.chart-bars i:nth-child(5){height:58%}.chart-bars i:nth-child(6){height:83%}.chart-bars i:nth-child(7){height:70%}
.chart-note{display:flex;justify-content:space-between;gap:12px;margin-top:13px;color:var(--muted-2);font-size:.72rem}
.management-copy p{max-width:570px}
.management-copy .btn{margin-top:12px}
.update-section{padding-top:68px;padding-bottom:68px}
.update-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:45px;align-items:start}
.update-list{border-top:1px solid var(--line)}
.update-row{display:grid;grid-template-columns:110px 1fr;gap:20px;padding:20px 0;border-bottom:1px solid var(--line)}
.update-date{color:var(--cyan);font-size:.78rem;font-weight:900;letter-spacing:.04em}
.update-row h3{margin-bottom:3px;font-size:1rem}
.update-row p{margin:0;font-size:.86rem}
.news-section{background:linear-gradient(180deg,rgba(10,22,50,.7),rgba(6,10,23,.38));border-top:1px solid var(--line)}
.news-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:32px}
.news-list{border-top:1px solid var(--line)}
.news-item{display:grid;grid-template-columns:94px 1fr auto;gap:17px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);transition:background .2s}
.news-item:hover{background:rgba(26,65,130,.14)}
.news-date{color:var(--muted-2);font-size:.75rem;font-weight:750}
.news-item h3{margin:0;font-size:1rem;transition:color .2s}
.news-item:hover h3{color:var(--cyan)}
.news-item p{grid-column:2/3;margin:4px 0 0;font-size:.84rem}
.news-arrow{color:var(--cyan);font-size:1.2rem}
.news-empty{padding:25px 0;color:var(--muted)}
.side-note{padding:27px;align-self:start}
.side-note h3{margin-top:15px;font-size:1.3rem}
.side-note p{font-size:.9rem}
.side-note ul{margin:18px 0 0;padding:0;list-style:none}
.side-note li{padding:11px 0;border-top:1px solid rgba(125,166,255,.17);color:#d9e5ff;font-size:.86rem}
.side-note li:before{content:"→";margin-right:9px;color:var(--cyan)}
.download-section{padding:88px 0 105px}
.download-panel{
  position:relative;overflow:hidden;padding:48px;
  border:1px solid rgba(0,224,255,.4);
  background:linear-gradient(120deg,rgba(8,23,58,.95),rgba(13,47,94,.72)),url('/assets/images/backpic/back-2.jpg') center/cover;
  box-shadow:0 0 50px rgba(0,88,255,.16);
}
.download-panel:after{content:"";position:absolute;right:-80px;bottom:-150px;width:400px;height:400px;border:1px solid rgba(0,224,255,.26);border-radius:50%;box-shadow:0 0 0 38px rgba(0,224,255,.04),0 0 0 76px rgba(0,224,255,.025)}
.download-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;gap:30px;align-items:end}
.download-content h2{max-width:710px}
.download-content p{max-width:680px;margin-bottom:0}
.email-form{display:flex;gap:9px;align-items:center}
.email-form input{
  min-width:245px;height:48px;padding:0 14px;
  color:var(--text);border:1px solid rgba(129,178,255,.34);border-radius:10px;background:rgba(4,10,26,.75);
}
.email-form input::placeholder{color:#7c8ba6}
.email-form button{white-space:nowrap}
.form-note{position:relative;z-index:1;margin:13px 0 0;color:#b9c7e1;font-size:.76rem}
.faq-section{padding-top:60px;padding-bottom:65px}
.faq-layout{display:grid;grid-template-columns:.75fr 1.25fr;gap:56px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{position:relative;padding:18px 32px 18px 0;cursor:pointer;color:#f0f5ff;font-size:.98rem;font-weight:820;list-style:none}
summary::-webkit-details-marker{display:none}
summary:after{content:"+";position:absolute;right:4px;top:15px;color:var(--cyan);font-size:1.35rem;font-weight:400}
details[open] summary:after{content:"−"}
details p{max-width:760px;padding:0 28px 18px 0;margin:0;font-size:.88rem}
.site-footer{border-top:1px solid var(--line);background:#040711}
.footer-main{display:grid;grid-template-columns:1.45fr .7fr .8fr;gap:40px;padding:56px 0 38px}
.footer-brand p{max-width:490px;margin:17px 0 0;font-size:.87rem}
.footer-title{margin:3px 0 13px;color:var(--text);font-size:.79rem;text-transform:uppercase;letter-spacing:.1em}
.footer-links{margin:0;padding:0;list-style:none}
.footer-links li+li{margin-top:8px}
.footer-links a{color:var(--muted);font-size:.86rem}
.footer-links a:hover{color:var(--cyan)}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:17px}
.footer-badge{padding:6px 9px;border:1px solid rgba(255,212,90,.34);color:var(--gold);font-size:.71rem;font-weight:850}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0;border-top:1px solid rgba(119,165,255,.13);color:#6f7d98;font-size:.75rem}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  width:58px;height:58px;display:grid;place-items:center;
  color:var(--cyan);border:1px solid transparent;border-radius:17px;
  background:linear-gradient(#071027,#071027) padding-box,linear-gradient(135deg,var(--cyan),var(--blue),var(--lime)) border-box;
  box-shadow:0 0 22px rgba(0,224,255,.45);
  opacity:.72;transition:transform .25s,opacity .25s,box-shadow .25s;
  animation:fabPulse 2.5s infinite;
}
.fab:before{content:"";position:absolute;right:5px;top:5px;width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 9px var(--red)}
.fab span{font-size:1.34rem;text-shadow:0 0 12px var(--cyan);transition:transform .35s}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 35px rgba(0,224,255,.78)}
.fab:hover span{animation:flicker .35s 2}
.fab:active{transform:scale(.95)}
@keyframes fabPulse{0%,100%{filter:brightness(.9)}50%{filter:brightness(1.4)}}
@keyframes flicker{0%,100%{opacity:1;transform:rotate(0)}50%{opacity:.25;transform:rotate(-8deg)}}
@media (max-width:1024px){
  .nav-wrap{gap:16px}.main-nav a{padding-inline:8px}.brand-name{max-width:170px}
  .launch-board{grid-template-columns:1fr 1fr}.support-panel{grid-column:1/-1;flex-direction:row;align-items:center}.support-panel .btn{width:auto;margin-left:auto}
  .split-layout,.payment-layout,.management-grid,.faq-layout{gap:35px}
  .footer-main{grid-template-columns:1.2fr .7fr .8fr}
}
@media (max-width:768px){
  .container{width:min(100% - 32px,var(--container))}
  .site-header{position:sticky}.nav-wrap{min-height:66px;gap:9px}
  .brand-mark{width:32px;height:32px;flex-basis:32px}.brand-name{max-width:115px;font-size:.73rem}.brand-name em{font-size:.55rem}
  .mobile-toggle{display:block;order:3}.main-nav{display:none;position:absolute;left:0;right:0;top:66px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(5,8,20,.98);box-shadow:var(--shadow)}
  .main-nav.open{display:flex;flex-direction:column;align-items:stretch}.main-nav a{padding:12px}
  .nav-actions{margin-left:auto}.login-link{font-size:.72rem;padding-inline:3px}.sign-link{padding:8px 9px;font-size:.71rem}
  .hero{min-height:auto}.hero-inner{padding:68px 0 54px}.hero-copy{text-align:left}.hero-copy .eyebrow{justify-content:flex-start}.hero-copy p{margin-left:0}.hero-actions{justify-content:flex-start}
  .launch-board{grid-template-columns:1fr;margin-top:32px}.support-panel{grid-column:auto;flex-direction:column;align-items:stretch}.support-panel .btn{width:100%;margin-left:0}
  .section{padding:68px 0}.section-top{margin-bottom:28px}
  .category-grid,.promo-layout,.payment-layout,.management-grid,.update-layout,.news-layout,.faq-layout{grid-template-columns:1fr}
  .category-card{min-height:235px}.signal-strip{grid-template-columns:1fr 1fr}
  .split-layout{grid-template-columns:1fr;gap:28px}.sticky-copy{position:static}.offer-grid{grid-template-columns:1fr 1fr}
  .payment-image{min-height:245px}.download-panel{padding:32px 25px}.download-content{grid-template-columns:1fr;align-items:start}
  .email-form{flex-wrap:wrap}.email-form input{min-width:0;flex:1}.email-form .btn{flex:0 0 auto}
  .footer-main{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}
}
@media (max-width:520px){
  body{font-size:15px}.container{width:calc(100% - 28px)}
  h1{font-size:2.18rem}.hero-copy p{font-size:.95rem}.hero-actions .btn{width:100%}
  .progress-panel{padding:15px}.tier-panel,.support-panel{padding:15px}
  .signal-item{padding:17px 13px}.signal-item strong{font-size:1.16rem}
  .category-card{padding:23px}.category-card h2{margin-top:28px;font-size:1.42rem}
  .offer-grid{grid-template-columns:1fr}.promo-wall{padding:25px;min-height:310px}
  .mini-grid{grid-template-columns:1fr}.update-row{grid-template-columns:1fr;gap:4px}.news-item{grid-template-columns:72px 1fr}.news-item p{grid-column:1/-1}.news-arrow{display:none}
  .email-form{display:grid;grid-template-columns:1fr}.email-form input,.email-form .btn{width:100%}
  .footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{flex-direction:column;gap:5px}
  .fab{bottom:78px;width:52px;height:52px}
}

/* roulang page: article */
:root{
      --bg:#080d1d;
      --bg-deep:#050814;
      --surface:#101a33;
      --surface-2:#142242;
      --glass:rgba(18,31,62,.66);
      --glass-strong:rgba(12,22,47,.88);
      --line:rgba(119,165,255,.2);
      --line-bright:rgba(0,224,255,.5);
      --text:#f4f8ff;
      --muted:#aebbd4;
      --muted-2:#73829f;
      --blue:#1167ff;
      --cyan:#00e0ff;
      --lime:#b9ff37;
      --gold:#ffd45a;
      --red:#ff4e73;
      --shadow:0 18px 55px rgba(0,0,0,.32);
      --shadow-neon:0 0 0 1px rgba(0,224,255,.12),0 0 28px rgba(0,131,255,.16);
      --radius:18px;
      --radius-sm:12px;
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      color:var(--text);
      background:var(--bg-deep);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
      font-size:16px;
      line-height:1.62;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background:
        radial-gradient(circle at 13% 8%,rgba(0,113,255,.19),transparent 29rem),
        radial-gradient(circle at 94% 26%,rgba(0,224,255,.11),transparent 28rem),
        linear-gradient(180deg,#080d1d 0%,#060a17 72%,#080d1d 100%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      z-index:-1;
      pointer-events:none;
      opacity:.25;
      background-image:linear-gradient(rgba(87,131,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(87,131,255,.08) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,black,transparent 78%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid var(--lime);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
    .section{position:relative;padding:84px 0}
    .section-top{max-width:720px;margin-bottom:32px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin:0 0 13px;
      color:var(--cyan);
      font-size:.74rem;
      line-height:1.2;
      font-weight:850;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .eyebrow:before{content:"";width:22px;height:2px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
    h1,h2,h3,p{margin-top:0}
    h1,h2,h3{line-height:1.17;letter-spacing:-.025em}
    h2{font-size:clamp(1.65rem,3vw,2.45rem);margin-bottom:14px}
    h3{font-size:1.08rem;margin-bottom:8px}
    p{color:var(--muted)}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:12px 19px;
      border:1px solid transparent;
      border-radius:10px;
      font-size:.9rem;
      font-weight:850;
      line-height:1;
      white-space:nowrap;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(1px) scale(.98)}
    .btn-primary{
      color:#061125;
      background:linear-gradient(135deg,var(--cyan),#86eeff);
      box-shadow:0 0 22px rgba(0,224,255,.24);
    }
    .btn-primary:hover{box-shadow:0 0 34px rgba(0,224,255,.48)}
    .btn-secondary{
      color:var(--text);
      border-color:rgba(106,173,255,.38);
      background:rgba(8,16,36,.55);
    }
    .btn-secondary:hover{border-color:var(--cyan);background:rgba(18,45,88,.8)}
    .btn-small{min-height:38px;padding:9px 13px;font-size:.78rem}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border:1px solid rgba(185,255,55,.36);
      border-radius:999px;
      color:var(--lime);
      background:rgba(185,255,55,.08);
      font-size:.71rem;
      font-weight:850;
      letter-spacing:.02em;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(125,166,255,.16);
      background:rgba(5,8,20,.78);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{display:flex;align-items:center;min-height:76px;gap:26px}
    .brand{display:flex;align-items:center;gap:10px;min-width:0;font-weight:900;line-height:1.05}
    .brand-mark{
      position:relative;
      display:grid;
      flex:0 0 37px;
      width:37px;
      height:37px;
      place-items:center;
      color:var(--cyan);
      border:1px solid var(--cyan);
      background:linear-gradient(145deg,rgba(18,103,255,.42),rgba(0,224,255,.08));
      box-shadow:0 0 20px rgba(0,224,255,.19),inset 0 0 15px rgba(0,224,255,.12);
      clip-path:polygon(18% 0,82% 0,100% 18%,100% 82%,82% 100%,18% 100%,0 82%,0 18%);
    }
    .brand-mark span{font-size:1.05rem}
    .brand-name{max-width:215px;font-size:.84rem}
    .brand-name strong{display:block;color:#fff}
    .brand-name em{
      display:block;
      margin-top:3px;
      color:var(--muted-2);
      font-size:.63rem;
      font-style:normal;
      font-weight:700;
      letter-spacing:.06em;
      text-transform:uppercase;
    }
    .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .main-nav a{
      padding:10px 12px;
      color:var(--muted);
      border-radius:8px;
      font-size:.84rem;
      font-weight:750;
      transition:color .2s,background .2s;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--text);background:rgba(39,84,162,.24)}
    .main-nav a.active{color:var(--cyan)}
    .nav-actions{display:flex;align-items:center;gap:8px}
    .nav-login{color:var(--muted);font-size:.82rem;font-weight:800;padding:9px 6px}
    .nav-login:hover{color:var(--cyan)}
    .mobile-toggle{display:none;width:38px;height:38px;color:var(--text);background:transparent;font-size:1.2rem}

    .article-banner{
      position:relative;
      overflow:hidden;
      min-height:356px;
      border-bottom:1px solid var(--line);
      background:
        linear-gradient(90deg,rgba(4,9,25,.93),rgba(8,19,47,.76) 58%,rgba(5,9,25,.84)),
        url('/assets/images/backpic/back-2.jpg') center/cover;
    }
    .article-banner:after{
      content:"";
      position:absolute;
      right:8%;
      top:-210px;
      width:560px;
      height:560px;
      border:1px solid rgba(0,224,255,.23);
      border-radius:50%;
      box-shadow:0 0 95px rgba(0,103,255,.22),inset 0 0 65px rgba(0,224,255,.07);
    }
    .article-banner-inner{position:relative;z-index:1;padding:70px 0 63px}
    .breadcrumbs{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      align-items:center;
      margin-bottom:21px;
      color:var(--muted-2);
      font-size:.8rem;
      font-weight:700;
    }
    .breadcrumbs a:hover{color:var(--cyan)}
    .breadcrumbs b{color:var(--cyan);font-weight:700}
    .article-banner h1{
      max-width:950px;
      margin:0;
      color:#fff;
      font-size:clamp(2rem,4.5vw,4rem);
      text-wrap:balance;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:10px 18px;
      margin-top:22px;
      color:var(--muted);
      font-size:.84rem;
    }
    .article-meta span{display:inline-flex;align-items:center;gap:7px}
    .article-meta i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}

    .article-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 300px;
      gap:58px;
      align-items:start;
    }
    .article-content{
      min-width:0;
      padding:42px 0 6px;
    }
    .article-summary{
      margin-bottom:32px;
      padding:21px 23px;
      border-left:3px solid var(--cyan);
      border-radius:0 var(--radius-sm) var(--radius-sm) 0;
      color:#d9eaff;
      background:linear-gradient(90deg,rgba(0,115,255,.15),rgba(18,31,62,.35));
      font-size:1.05rem;
    }
    .article-body{font-size:1.02rem}
    .article-body>*:first-child{margin-top:0}
    .article-body h2{
      margin-top:47px;
      color:#fff;
      font-size:clamp(1.45rem,2.7vw,2.15rem);
    }
    .article-body h3{margin-top:31px;color:#dff9ff;font-size:1.2rem}
    .article-body p,.article-body li{color:#c1cce1}
    .article-body a{color:var(--cyan);font-weight:750;text-decoration:underline;text-decoration-color:rgba(0,224,255,.35);text-underline-offset:3px}
    .article-body a:hover{color:#a5f6ff}
    .article-body ul,.article-body ol{padding-left:1.3rem;margin:19px 0 25px}
    .article-body li{padding-left:6px;margin:9px 0}
    .article-body blockquote{
      margin:32px 0;
      padding:18px 21px;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      color:#dceafe;
      background:rgba(16,26,51,.68);
    }
    .article-body img{
      width:100%;
      height:auto;
      margin:31px 0;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .article-body table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:26px 0}
    .article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);color:var(--muted);text-align:left}
    .article-body th{color:var(--text);background:rgba(17,103,255,.17)}
    .not-found{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--glass)}

    .article-side{position:sticky;top:100px;padding-top:43px}
    .side-panel{
      padding:22px;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(150deg,rgba(20,34,66,.84),rgba(8,13,29,.88));
      box-shadow:var(--shadow-neon);
    }
    .side-panel+.side-panel{margin-top:18px}
    .side-panel h2{margin-bottom:14px;font-size:1.1rem}
    .side-list{padding:0;margin:0;list-style:none}
    .side-list li{padding:12px 0;border-top:1px solid rgba(125,166,255,.13)}
    .side-list li:first-child{border-top:0;padding-top:2px}
    .side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;color:var(--muted);font-size:.89rem;font-weight:700}
    .side-list a:hover{color:var(--cyan)}
    .side-list a span:last-child{color:var(--cyan)}
    .check-list{display:grid;gap:12px;margin:16px 0 20px;padding:0;list-style:none}
    .check-list li{position:relative;padding-left:23px;color:var(--muted);font-size:.88rem}
    .check-list li:before{content:"✓";position:absolute;left:0;color:var(--lime);font-weight:900}

    .trust-strip{
      margin-top:59px;
      padding:21px 0;
      border-top:1px solid var(--line);
      border-bottom:1px solid var(--line);
    }
    .trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
    .trust-item{display:flex;gap:13px;align-items:flex-start}
    .trust-icon{
      display:grid;
      flex:0 0 38px;
      width:38px;
      height:38px;
      place-items:center;
      color:var(--cyan);
      border:1px solid rgba(0,224,255,.35);
      border-radius:11px;
      background:rgba(0,224,255,.08);
      font-weight:900;
    }
    .trust-item strong{display:block;margin-bottom:2px;font-size:.87rem}
    .trust-item span{display:block;color:var(--muted-2);font-size:.78rem;line-height:1.45}

    .faq-wrap{padding-top:15px}
    .faq-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:58px;align-items:start}
    .faq-copy{padding-top:7px}
    .faq-copy p{max-width:390px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:19px 2px;
      color:var(--text);
      cursor:pointer;
      font-weight:800;
      list-style:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";color:var(--cyan);font-size:1.35rem;font-weight:400;transition:transform .2s}
    .faq-item[open] summary:after{transform:rotate(45deg)}
    .faq-item p{padding:0 2px 20px;margin:0;font-size:.94rem}

    .article-cta{padding:28px 0 92px}
    .cta-box{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:35px;
      align-items:center;
      padding:42px;
      border:1px solid rgba(0,224,255,.32);
      border-radius:var(--radius);
      background:
        linear-gradient(120deg,rgba(6,25,63,.92),rgba(11,21,48,.86)),
        url('/assets/images/coverpic/cover-6.jpg') center/cover;
      box-shadow:var(--shadow-neon);
    }
    .cta-box:after{
      content:"";
      position:absolute;
      width:260px;
      height:260px;
      right:-80px;
      top:-85px;
      border:1px solid rgba(185,255,55,.28);
      border-radius:50%;
      box-shadow:0 0 60px rgba(0,224,255,.13);
    }
    .cta-box>*{position:relative;z-index:1}
    .cta-box h2{margin-bottom:11px}
    .cta-box p{max-width:690px;margin-bottom:0}
    .cta-actions{display:flex;justify-content:flex-end;gap:10px;flex-wrap:wrap}

    .site-footer{
      border-top:1px solid var(--line);
      background:rgba(4,7,18,.86);
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.45fr .75fr .75fr;
      gap:50px;
      padding:57px 0 42px;
    }
    .footer-brand p{max-width:510px;margin:17px 0;color:var(--muted);font-size:.88rem}
    .footer-badges{display:flex;flex-wrap:wrap;gap:8px}
    .footer-badge{
      padding:6px 8px;
      border:1px solid rgba(119,165,255,.22);
      border-radius:6px;
      color:#9db3d6;
      background:rgba(18,31,62,.45);
      font-size:.63rem;
      font-weight:850;
      letter-spacing:.03em;
    }
    .footer-title{margin:5px 0 15px;color:#fff;font-size:.89rem}
    .footer-links{padding:0;margin:0;list-style:none}
    .footer-links li+li{margin-top:9px}
    .footer-links a{color:var(--muted);font-size:.85rem}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:20px;
      padding:19px 0;
      border-top:1px solid rgba(125,166,255,.13);
      color:var(--muted-2);
      font-size:.75rem;
    }

    .fab{
      position:fixed;
      left:16px;
      bottom:96px;
      z-index:60;
      display:flex;
      align-items:center;
      justify-content:center;
      width:56px;
      height:56px;
      color:var(--cyan);
      border:1px solid transparent;
      border-radius:16px;
      background:
        linear-gradient(rgba(5,9,23,.88),rgba(5,9,23,.88)) padding-box,
        linear-gradient(135deg,var(--cyan),var(--blue),var(--lime)) border-box;
      box-shadow:0 0 15px rgba(0,240,255,.5);
      opacity:.72;
      backdrop-filter:blur(12px);
      transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
      animation:fabGlow 2.8s ease-in-out infinite;
    }
    .fab:before{
      content:"";
      position:absolute;
      top:8px;
      right:8px;
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--lime);
      box-shadow:0 0 9px var(--lime);
    }
    .fab span{font-size:1.35rem;filter:drop-shadow(0 0 7px var(--cyan))}
    .fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 27px rgba(0,240,255,.78)}
    .fab:hover span{animation:flicker .35s linear 2}
    .fab:active{transform:scale(.95)}
    @keyframes fabGlow{50%{opacity:1;box-shadow:0 0 22px rgba(0,240,255,.7)}}
    @keyframes flicker{50%{opacity:.25;filter:drop-shadow(0 0 15px var(--lime))}}

    @media(max-width:1024px){
      .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:34px}
      .footer-main{gap:30px}
    }
    @media(max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .nav-wrap{min-height:66px;gap:12px;flex-wrap:wrap}
      .brand-name em{display:none}
      .brand-name{font-size:.76rem;max-width:156px}
      .mobile-toggle{display:block;margin-left:auto;order:2}
      .nav-actions{order:3}
      .nav-actions .btn{min-height:36px;padding:8px 10px;font-size:.72rem}
      .nav-login{padding:7px 3px;font-size:.76rem}
      .main-nav{
        display:none;
        order:4;
        width:100%;
        margin:0 0 13px;
        padding:8px;
        border:1px solid var(--line);
        border-radius:var(--radius-sm);
        background:rgba(10,18,42,.94);
      }
      .main-nav.is-open{display:grid;grid-template-columns:1fr}
      .main-nav a{padding:10px}
      .article-banner{min-height:300px}
      .article-banner-inner{padding:52px 0}
      .article-layout{display:block}
      .article-side{position:static;padding-top:30px}
      .side-panel{padding:19px}
      .trust-grid{grid-template-columns:1fr;gap:17px}
      .faq-grid{grid-template-columns:1fr;gap:20px}
      .cta-box{grid-template-columns:1fr;padding:31px}
      .cta-actions{justify-content:flex-start}
      .footer-main{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
    }
    @media(max-width:520px){
      body{font-size:15px}
      .container{width:calc(100% - 28px)}
      .section{padding:61px 0}
      .article-banner h1{font-size:2rem}
      .article-banner-inner{padding:43px 0}
      .article-meta{font-size:.77rem}
      .article-content{padding-top:29px}
      .article-summary{padding:17px;font-size:.98rem}
      .article-body{font-size:.98rem}
      .article-body h2{margin-top:37px}
      .cta-box{padding:25px 20px}
      .cta-actions .btn{width:100%}
      .footer-main{grid-template-columns:1fr;padding-top:44px}
      .footer-brand{grid-column:auto}
      .footer-bottom{display:block;line-height:1.9}
      .footer-bottom span{display:block}
      .fab{left:14px;bottom:79px;width:52px;height:52px}
    }

/* roulang page: category1 */
:root{
      --bg:#080d1d;
      --bg-deep:#050814;
      --surface:#101a33;
      --surface-2:#142242;
      --glass:rgba(18,31,62,.66);
      --glass-strong:rgba(12,22,47,.88);
      --line:rgba(119,165,255,.2);
      --line-bright:rgba(0,224,255,.5);
      --text:#f4f8ff;
      --muted:#aebbd4;
      --muted-2:#73829f;
      --blue:#1167ff;
      --cyan:#00e0ff;
      --lime:#b9ff37;
      --gold:#ffd45a;
      --red:#ff4e73;
      --shadow:0 18px 55px rgba(0,0,0,.32);
      --shadow-neon:0 0 0 1px rgba(0,224,255,.12),0 0 28px rgba(0,131,255,.16);
      --radius:18px;
      --radius-sm:12px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      color:var(--text);
      background:var(--bg-deep);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
      font-size:16px;
      line-height:1.62;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background:
        radial-gradient(circle at 15% 10%,rgba(0,113,255,.19),transparent 29rem),
        radial-gradient(circle at 93% 24%,rgba(0,224,255,.10),transparent 26rem),
        linear-gradient(180deg,#080d1d 0%,#060a17 72%,#080d1d 100%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      z-index:-1;
      opacity:.28;
      pointer-events:none;
      background-image:linear-gradient(rgba(87,131,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(87,131,255,.08) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,black,transparent 75%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
    .section{position:relative;padding:94px 0}
    .section-top{max-width:755px;margin-bottom:38px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:13px;
      color:var(--cyan);
      font-size:.74rem;
      line-height:1.2;
      font-weight:800;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .eyebrow:before{
      content:"";
      width:22px;
      height:2px;
      background:var(--cyan);
      box-shadow:0 0 12px var(--cyan);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:18px;
      font-size:clamp(2rem,4.6vw,4.1rem);
      line-height:1.08;
      letter-spacing:-.045em;
    }
    h2{
      margin-bottom:14px;
      font-size:clamp(1.7rem,3vw,2.55rem);
      line-height:1.15;
      letter-spacing:-.035em;
    }
    h3{font-size:1.08rem;line-height:1.28}
    p{color:var(--muted)}
    .section-intro{max-width:700px;margin-bottom:0}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:12px 19px;
      border-radius:10px;
      border:1px solid transparent;
      font-size:.9rem;
      font-weight:800;
      line-height:1;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(1px) scale(.98)}
    .btn-primary{
      color:#061125;
      background:linear-gradient(135deg,var(--cyan),#86eeff);
      box-shadow:0 0 22px rgba(0,224,255,.24);
    }
    .btn-primary:hover{box-shadow:0 0 33px rgba(0,224,255,.48)}
    .btn-secondary{
      color:var(--text);
      border-color:rgba(106,173,255,.38);
      background:rgba(8,16,36,.55);
    }
    .btn-secondary:hover{border-color:var(--cyan);background:rgba(18,45,88,.8)}
    .btn-small{min-height:38px;padding:9px 13px;font-size:.78rem}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border:1px solid rgba(185,255,55,.36);
      border-radius:999px;
      color:var(--lime);
      background:rgba(185,255,55,.08);
      font-size:.71rem;
      font-weight:800;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(125,166,255,.16);
      background:rgba(5,8,20,.78);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{display:flex;align-items:center;min-height:76px;gap:30px}
    .brand{display:flex;align-items:center;gap:10px;min-width:0;font-weight:900;line-height:1.05}
    .brand-mark{
      position:relative;
      flex:0 0 37px;
      width:37px;
      height:37px;
      display:grid;
      place-items:center;
      color:var(--cyan);
      border:1px solid var(--cyan);
      background:linear-gradient(145deg,rgba(18,103,255,.42),rgba(0,224,255,.08));
      box-shadow:0 0 20px rgba(0,224,255,.19),inset 0 0 15px rgba(0,224,255,.12);
      clip-path:polygon(18% 0,82% 0,100% 18%,100% 82%,82% 100%,18% 100%,0 82%,0 18%);
    }
    .brand-mark span{font-size:1.05rem}
    .brand-name{font-size:.84rem;max-width:215px}
    .brand-name strong{display:block;color:#fff}
    .brand-name em{display:block;margin-top:3px;color:var(--muted-2);font-size:.63rem;font-style:normal;font-weight:700;letter-spacing:.06em;text-transform:uppercase}
    .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .main-nav a{
      padding:10px 12px;
      color:var(--muted);
      border-radius:8px;
      font-size:.84rem;
      font-weight:750;
      white-space:nowrap;
      transition:color .2s,background .2s;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--text);background:rgba(39,84,162,.24)}
    .main-nav a.active{color:var(--cyan)}
    .nav-actions{display:flex;align-items:center;gap:8px}
    .nav-login{padding:10px 7px;color:var(--muted);font-size:.83rem;font-weight:800}
    .nav-login:hover{color:var(--cyan)}
    .mobile-toggle{display:none;width:38px;height:38px;color:var(--text);background:transparent;font-size:1.2rem}

    .offer-strip{
      position:relative;
      z-index:2;
      border-bottom:1px solid rgba(0,224,255,.24);
      background:linear-gradient(90deg,rgba(0,224,255,.1),rgba(17,103,255,.2),rgba(0,224,255,.08));
    }
    .offer-strip-inner{
      display:flex;
      min-height:48px;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      color:#dffaff;
      font-size:.8rem;
      font-weight:750;
    }
    .flash-label{display:flex;align-items:center;gap:8px;color:var(--gold);white-space:nowrap}
    .flash-dot{width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 5px rgba(255,78,115,.15),0 0 15px var(--red);animation:pulse 1.3s infinite}
    .countdown{display:flex;align-items:center;gap:7px;margin-left:auto;white-space:nowrap}
    .countdown strong{
      display:inline-grid;
      place-items:center;
      min-width:28px;
      padding:2px 4px;
      border:1px solid rgba(0,224,255,.32);
      border-radius:5px;
      color:var(--cyan);
      background:rgba(5,13,35,.65);
      font-variant-numeric:tabular-nums;
    }
    .category-hero{
      position:relative;
      overflow:hidden;
      padding:70px 0 76px;
      border-bottom:1px solid var(--line);
      background-image:linear-gradient(90deg,rgba(4,9,25,.94),rgba(7,15,37,.72),rgba(5,9,25,.84)),url('/assets/images/backpic/back-2.jpg');
      background-size:cover;
      background-position:center;
    }
    .category-hero:before{
      content:"";
      position:absolute;
      width:540px;
      height:540px;
      right:-120px;
      top:-200px;
      border:1px solid rgba(0,224,255,.21);
      border-radius:50%;
      box-shadow:0 0 105px rgba(0,95,255,.22),inset 0 0 70px rgba(0,224,255,.06);
    }
    .category-hero-inner{
      position:relative;
      z-index:1;
      display:grid;
      grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr);
      align-items:center;
      gap:52px;
    }
    .hero-copy p{max-width:690px;margin-bottom:27px;font-size:1.04rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .deal-panel{
      position:relative;
      overflow:hidden;
      padding:24px;
      border:1px solid rgba(0,224,255,.34);
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(18,38,80,.84),rgba(7,15,36,.9));
      box-shadow:var(--shadow-neon),var(--shadow);
    }
    .deal-panel:after{
      content:"";
      position:absolute;
      width:190px;
      height:190px;
      right:-75px;
      bottom:-82px;
      border-radius:50%;
      background:radial-gradient(circle,rgba(0,224,255,.22),transparent 68%);
    }
    .deal-panel > *{position:relative;z-index:1}
    .deal-header{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:20px}
    .deal-header h2{margin:7px 0 0;font-size:1.45rem;letter-spacing:-.03em}
    .deal-code{
      margin:16px 0;
      padding:14px;
      border:1px dashed rgba(0,224,255,.55);
      border-radius:10px;
      background:rgba(0,224,255,.06);
    }
    .deal-code small{display:block;color:var(--muted);font-size:.72rem;font-weight:700}
    .deal-code strong{display:block;margin-top:3px;color:var(--gold);font-size:1.35rem;letter-spacing:.11em}
    .deal-meta{display:flex;gap:16px;padding-top:13px;border-top:1px solid var(--line);font-size:.78rem}
    .deal-meta span{color:var(--muted)}
    .deal-meta b{display:block;color:#fff;font-size:.9rem}
    .deal-panel .btn{width:100%;margin-top:19px}

    .summary-band{padding:32px 0;border-bottom:1px solid var(--line)}
    .summary-grid{display:grid;grid-template-columns:1.15fr repeat(3,.62fr);gap:0;border:1px solid var(--line);border-radius:var(--radius);background:var(--glass);overflow:hidden}
    .summary-item{padding:19px 22px;border-left:1px solid var(--line)}
    .summary-item:first-child{border-left:0}
    .summary-item span{display:block;color:var(--muted-2);font-size:.72rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
    .summary-item strong{display:block;margin-top:4px;color:var(--text);font-size:1.1rem;line-height:1.25}
    .summary-item:first-child strong{color:var(--cyan)}
    .matrix-wrap{display:grid;grid-template-columns:.83fr 1.17fr;gap:65px;align-items:start}
    .sticky-copy{position:sticky;top:118px}
    .steps-list{display:grid;gap:13px;margin-top:28px}
    .step-line{display:flex;gap:13px;align-items:flex-start}
    .step-num{
      flex:0 0 30px;
      width:30px;
      height:30px;
      display:grid;
      place-items:center;
      border:1px solid rgba(0,224,255,.43);
      border-radius:8px;
      color:var(--cyan);
      background:rgba(0,224,255,.08);
      font-size:.78rem;
      font-weight:900;
    }
    .step-line p{margin:1px 0 0;font-size:.91rem}
    .service-list{display:grid;gap:1px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--line)}
    .service-row{
      display:grid;
      grid-template-columns:54px 1fr auto;
      align-items:center;
      gap:18px;
      padding:22px;
      background:linear-gradient(90deg,rgba(16,26,51,.96),rgba(13,23,48,.88));
      transition:background .22s ease,transform .22s ease;
    }
    .service-row:hover{background:rgba(23,47,94,.88);transform:translateX(4px)}
    .service-icon{
      width:45px;
      height:45px;
      display:grid;
      place-items:center;
      border:1px solid rgba(0,224,255,.35);
      border-radius:12px;
      color:var(--cyan);
      background:rgba(0,224,255,.07);
      font-size:1.2rem;
    }
    .service-row h3{margin:0 0 4px}
    .service-row p{margin:0;font-size:.88rem}
    .service-tag{color:var(--lime);font-size:.74rem;font-weight:900;text-align:right}
    .compare-section{padding-top:42px}
    .comparison{
      display:grid;
      grid-template-columns:1fr 1.1fr;
      gap:20px;
      align-items:stretch;
    }
    .compare-note{
      display:flex;
      flex-direction:column;
      justify-content:center;
      padding:38px;
      border-left:3px solid var(--cyan);
      background:linear-gradient(135deg,rgba(10,26,60,.72),rgba(12,19,42,.45));
    }
    .compare-note h2{max-width:460px}
    .compare-note p{max-width:470px}
    .compare-list{list-style:none;padding:0;margin:24px 0 0}
    .compare-list li{position:relative;padding:11px 0 11px 28px;border-bottom:1px solid var(--line);color:var(--muted);font-size:.92rem}
    .compare-list li:before{content:"✓";position:absolute;left:2px;color:var(--lime);font-weight:900}
    .rule-card{
      padding:28px;
      border:1px solid rgba(0,224,255,.3);
      border-radius:var(--radius);
      background:rgba(10,22,50,.8);
      box-shadow:var(--shadow-neon);
    }
    .rule-card h3{margin-bottom:17px;font-size:1.28rem}
    .rule-item{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line)}
    .rule-item:last-child{border-bottom:0}
    .rule-item span{color:var(--muted);font-size:.88rem}
    .rule-item b{max-width:52%;color:#fff;text-align:right;font-size:.88rem}
    .story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:55px;align-items:center}
    .story-image{position:relative}
    .story-image img{
      width:100%;
      min-height:410px;
      object-fit:cover;
      border:1px solid var(--line);
      border-radius:var(--radius);
      filter:saturate(.92) contrast(1.06);
    }
    .story-image:after{
      content:"";
      position:absolute;
      inset:auto -15px -17px auto;
      width:52%;
      height:38%;
      z-index:-1;
      border:1px solid rgba(0,224,255,.25);
      background:rgba(17,103,255,.1);
    }
    .story-content .eyebrow{margin-bottom:11px}
    .check-list{list-style:none;margin:25px 0 0;padding:0}
    .check-list li{position:relative;padding:12px 0 12px 31px;border-bottom:1px solid var(--line);color:var(--muted)}
    .check-list li:before{
      content:"";
      position:absolute;
      top:18px;
      left:2px;
      width:11px;
      height:6px;
      border-left:2px solid var(--cyan);
      border-bottom:2px solid var(--cyan);
      transform:rotate(-45deg);
    }
    .faq-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:65px}
    .faq-side p{max-width:385px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-question{
      width:100%;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:15px;
      padding:21px 0;
      color:var(--text);
      background:transparent;
      text-align:left;
      font-weight:800;
      font-size:1rem;
    }
    .faq-question span:last-child{
      width:25px;
      height:25px;
      display:grid;
      place-items:center;
      border:1px solid var(--line);
      border-radius:50%;
      color:var(--cyan);
      font-size:1.2rem;
      line-height:1;
      transition:transform .2s ease,background .2s ease;
    }
    .faq-answer{display:none;padding:0 42px 20px 0}
    .faq-answer p{margin:0;font-size:.92rem}
    .faq-item.open .faq-answer{display:block}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:rgba(0,224,255,.1)}
    .cta-section{padding-top:38px;padding-bottom:94px}
    .cta-shell{
      position:relative;
      overflow:hidden;
      display:grid;
      grid-template-columns:1fr .85fr;
      gap:45px;
      padding:48px;
      border:1px solid rgba(0,224,255,.32);
      border-radius:var(--radius);
      background:linear-gradient(115deg,rgba(12,37,82,.88),rgba(10,20,46,.94));
      box-shadow:var(--shadow-neon),var(--shadow);
    }
    .cta-shell:before{
      content:"";
      position:absolute;
      width:410px;
      height:410px;
      right:-185px;
      top:-210px;
      border:1px solid rgba(0,224,255,.23);
      border-radius:50%;
      box-shadow:0 0 90px rgba(0,224,255,.13);
    }
    .cta-copy,.signup-form{position:relative;z-index:1}
    .cta-copy h2{margin-bottom:13px}
    .signup-form{align-self:center}
    .field-label{display:block;margin-bottom:8px;color:#dce8ff;font-size:.78rem;font-weight:800}
    .form-row{display:flex;gap:10px}
    .form-input{
      width:100%;
      min-height:49px;
      padding:12px 14px;
      border:1px solid rgba(122,173,255,.32);
      border-radius:10px;
      outline:0;
      color:var(--text);
      background:rgba(3,10,28,.58);
      transition:border-color .2s,box-shadow .2s;
    }
    .form-input:focus{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(0,224,255,.12)}
    .form-help{margin:11px 0 0;color:var(--muted-2);font-size:.76rem}
    .form-message{min-height:21px;margin:10px 0 0;color:var(--lime);font-size:.8rem;font-weight:700}
    .site-footer{
      border-top:1px solid rgba(119,165,255,.18);
      background:rgba(3,6,16,.82);
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.45fr .7fr .7fr;
      gap:55px;
      padding-top:57px;
      padding-bottom:42px;
    }
    .footer-brand p{max-width:520px;margin:19px 0 18px;color:var(--muted);font-size:.86rem}
    .footer-badges{display:flex;flex-wrap:wrap;gap:8px}
    .footer-badge{
      padding:6px 8px;
      border:1px solid rgba(119,165,255,.22);
      border-radius:6px;
      color:var(--muted);
      font-size:.61rem;
      font-weight:800;
      letter-spacing:.04em;
    }
    .footer-title{margin:5px 0 15px;color:#fff;font-size:.88rem}
    .footer-links{list-style:none;margin:0;padding:0}
    .footer-links li+li{margin-top:10px}
    .footer-links a{color:var(--muted);font-size:.84rem;transition:color .2s}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:16px;
      padding:18px 0;
      border-top:1px solid rgba(119,165,255,.14);
      color:var(--muted-2);
      font-size:.75rem;
    }
    .fab{
      position:fixed;
      left:16px;
      bottom:96px;
      z-index:60;
      width:58px;
      height:58px;
      display:grid;
      place-items:center;
      border:1px solid transparent;
      border-radius:16px;
      color:var(--cyan);
      background:linear-gradient(var(--bg-deep),var(--bg-deep)) padding-box,linear-gradient(135deg,var(--cyan),var(--blue)) border-box;
      box-shadow:0 0 17px rgba(0,224,255,.42),0 10px 26px rgba(0,0,0,.38);
      opacity:.72;
      animation:fabGlow 2.2s ease-in-out infinite;
      transition:transform .2s ease,opacity .2s ease,box-shadow .2s ease;
    }
    .fab span{font-size:1.38rem;line-height:1;transition:transform .35s ease}
    .fab:after{
      content:"MỚI";
      position:absolute;
      top:-8px;
      right:-8px;
      padding:2px 5px;
      border-radius:5px;
      color:#fff;
      background:var(--red);
      font-size:.53rem;
      font-weight:900;
      letter-spacing:.04em;
      animation:blink 1.2s infinite;
    }
    .fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 0 28px rgba(0,224,255,.75),0 10px 26px rgba(0,0,0,.38)}
    .fab:hover span{transform:rotate(360deg)}
    .fab:active{transform:scale(.95) translateY(2px)}
    @keyframes pulse{50%{opacity:.35;transform:scale(.74)}}
    @keyframes blink{50%{opacity:.45}}
    @keyframes fabGlow{50%{box-shadow:0 0 25px rgba(0,224,255,.68),0 10px 26px rgba(0,0,0,.38)}}

    @media (max-width:1024px){
      .nav-wrap{gap:18px}
      .main-nav a{padding-inline:9px}
      .category-hero-inner{gap:34px}
      .matrix-wrap,.faq-layout{gap:40px}
      .story-grid{gap:38px}
      .cta-shell{gap:30px;padding:38px}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .section{padding:68px 0}
      .site-header{position:sticky}
      .nav-wrap{min-height:68px;gap:10px;flex-wrap:wrap}
      .brand-name{max-width:164px}
      .brand-name em{display:none}
      .mobile-toggle{display:block;margin-left:auto}
      .main-nav{
        order:4;
        width:100%;
        display:none;
        margin:0 0 12px;
        padding-top:8px;
        border-top:1px solid var(--line);
        overflow:auto;
      }
      .main-nav.open{display:flex}
      .main-nav a{font-size:.78rem}
      .nav-actions{gap:2px}
      .nav-actions .btn{min-height:37px;padding:8px 10px;font-size:.73rem}
      .nav-login{padding:8px 5px;font-size:.76rem}
      .offer-strip-inner{min-height:43px;gap:9px;font-size:.71rem}
      .offer-text{display:none}
      .category-hero{padding:56px 0 60px}
      .category-hero-inner,.matrix-wrap,.comparison,.story-grid,.faq-layout,.cta-shell{grid-template-columns:1fr}
      .category-hero-inner{gap:31px}
      .deal-panel{max-width:560px}
      .summary-grid{grid-template-columns:1fr 1fr}
      .summary-item{border-top:1px solid var(--line)}
      .summary-item:nth-child(1),.summary-item:nth-child(2){border-top:0}
      .summary-item:nth-child(3){border-left:0}
      .sticky-copy{position:static}
      .service-row{grid-template-columns:48px 1fr}
      .service-tag{grid-column:2;text-align:left}
      .story-image img{min-height:300px}
      .cta-shell{padding:31px}
      .footer-main{grid-template-columns:1fr 1fr;gap:35px}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .container{width:calc(100% - 28px)}
      h1{font-size:2.05rem}
      .brand-mark{flex-basis:33px;width:33px;height:33px}
      .brand-name{font-size:.75rem;max-width:125px}
      .nav-login{display:none}
      .nav-actions .btn{padding:8px 8px}
      .flash-label{font-size:.66rem}
      .countdown{gap:4px;font-size:.66rem}
      .countdown strong{min-width:24px}
      .hero-actions .btn{width:100%}
      .deal-panel{padding:20px}
      .summary-grid{grid-template-columns:1fr}
      .summary-item,.summary-item:nth-child(3){border-left:0;border-top:1px solid var(--line)}
      .summary-item:first-child{border-top:0}
      .service-row{gap:12px;padding:18px 15px}
      .service-icon{width:40px;height:40px}
      .compare-note,.rule-card{padding:24px}
      .rule-item{flex-direction:column;gap:4px}
      .rule-item b{max-width:none;text-align:left}
      .story-image img{min-height:245px}
      .cta-shell{padding:25px 20px}
      .form-row{flex-direction:column}
      .form-row .btn{width:100%}
      .footer-main{grid-template-columns:1fr;gap:27px;padding-top:45px}
      .footer-brand{grid-column:auto}
      .footer-bottom{flex-direction:column;padding:16px 0;font-size:.7rem}
      .fab{bottom:82px}
    }

/* roulang page: category2 */
:root{
      --bg:#080d1d;
      --bg-deep:#050814;
      --surface:#101a33;
      --surface-2:#142242;
      --glass:rgba(18,31,62,.66);
      --glass-strong:rgba(12,22,47,.88);
      --line:rgba(119,165,255,.2);
      --line-bright:rgba(0,224,255,.5);
      --text:#f4f8ff;
      --muted:#aebbd4;
      --muted-2:#73829f;
      --blue:#1167ff;
      --cyan:#00e0ff;
      --lime:#b9ff37;
      --gold:#ffd45a;
      --red:#ff4e73;
      --shadow:0 18px 55px rgba(0,0,0,.32);
      --shadow-neon:0 0 0 1px rgba(0,224,255,.12),0 0 28px rgba(0,131,255,.16);
      --radius:18px;
      --radius-sm:12px;
      --container:1180px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      min-width:320px;
      color:var(--text);
      background:var(--bg-deep);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
      font-size:16px;
      line-height:1.62;
      overflow-x:hidden;
    }
    body:before{
      content:"";
      position:fixed;
      inset:0;
      z-index:-2;
      background:
        radial-gradient(circle at 14% 8%,rgba(0,113,255,.18),transparent 27rem),
        radial-gradient(circle at 91% 29%,rgba(0,224,255,.1),transparent 29rem),
        linear-gradient(180deg,#080d1d 0%,#060a17 72%,#080d1d 100%);
    }
    body:after{
      content:"";
      position:fixed;
      inset:0;
      z-index:-1;
      opacity:.28;
      pointer-events:none;
      background-image:linear-gradient(rgba(87,131,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(87,131,255,.08) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,black,transparent 75%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:3px solid var(--cyan);outline-offset:3px}
    .container{width:min(var(--container),calc(100% - 48px));margin-inline:auto}
    .section{position:relative;padding:92px 0}
    .section-top{max-width:760px;margin-bottom:37px}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin:0 0 13px;
      color:var(--cyan);
      font-size:.74rem;
      line-height:1.2;
      font-weight:800;
      letter-spacing:.12em;
      text-transform:uppercase;
    }
    .eyebrow:before{
      content:"";
      width:22px;
      height:2px;
      background:var(--cyan);
      box-shadow:0 0 12px var(--cyan);
    }
    h1,h2,h3,p{margin-top:0}
    h1{
      margin-bottom:18px;
      font-size:clamp(2.2rem,5.2vw,4.6rem);
      line-height:1.07;
      letter-spacing:-.05em;
    }
    h2{
      margin-bottom:12px;
      font-size:clamp(1.7rem,3.1vw,2.6rem);
      line-height:1.16;
      letter-spacing:-.035em;
    }
    h3{font-size:1.08rem;line-height:1.3}
    p{color:var(--muted)}
    .section-intro{max-width:700px;margin-bottom:0}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:48px;
      padding:12px 19px;
      border:1px solid transparent;
      border-radius:10px;
      font-size:.9rem;
      font-weight:800;
      line-height:1;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:active{transform:translateY(1px) scale(.98)}
    .btn-primary{
      color:#061125;
      background:linear-gradient(135deg,var(--cyan),#86eeff);
      box-shadow:0 0 22px rgba(0,224,255,.24);
    }
    .btn-primary:hover{box-shadow:0 0 34px rgba(0,224,255,.5)}
    .btn-secondary{
      color:var(--text);
      border-color:rgba(106,173,255,.38);
      background:rgba(8,16,36,.55);
    }
    .btn-secondary:hover{border-color:var(--cyan);background:rgba(18,45,88,.8)}
    .btn-small{min-height:38px;padding:9px 13px;font-size:.78rem}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:5px 9px;
      border:1px solid rgba(185,255,55,.36);
      border-radius:999px;
      color:var(--lime);
      background:rgba(185,255,55,.08);
      font-size:.71rem;
      font-weight:800;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(125,166,255,.16);
      background:rgba(5,8,20,.78);
      backdrop-filter:blur(18px);
    }
    .nav-wrap{display:flex;align-items:center;min-height:76px;gap:30px}
    .brand{display:flex;align-items:center;gap:10px;min-width:0;font-weight:900;line-height:1.05}
    .brand-mark{
      position:relative;
      flex:0 0 37px;
      width:37px;
      height:37px;
      display:grid;
      place-items:center;
      color:var(--cyan);
      border:1px solid var(--cyan);
      background:linear-gradient(145deg,rgba(18,103,255,.42),rgba(0,224,255,.08));
      box-shadow:0 0 20px rgba(0,224,255,.19),inset 0 0 15px rgba(0,224,255,.12);
      clip-path:polygon(18% 0,82% 0,100% 18%,100% 82%,82% 100%,18% 100%,0 82%,0 18%);
    }
    .brand-mark span{font-size:1.05rem}
    .brand-name{font-size:.84rem;max-width:215px}
    .brand-name strong{display:block;color:#fff}
    .brand-name em{
      display:block;
      margin-top:3px;
      color:var(--muted-2);
      font-size:.63rem;
      font-style:normal;
      font-weight:700;
      letter-spacing:.06em;
      text-transform:uppercase;
    }
    .main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
    .main-nav a{
      padding:10px 12px;
      color:var(--muted);
      border-radius:8px;
      font-size:.84rem;
      font-weight:750;
      white-space:nowrap;
      transition:color .2s,background .2s;
    }
    .main-nav a:hover,.main-nav a.active{color:var(--text);background:rgba(39,84,162,.24)}
    .main-nav a.active{color:var(--cyan)}

    .subhero{
      position:relative;
      overflow:hidden;
      min-height:514px;
      display:flex;
      align-items:center;
      border-bottom:1px solid var(--line);
      background:
        linear-gradient(90deg,rgba(4,9,25,.95) 0%,rgba(5,15,36,.83) 53%,rgba(5,9,25,.71) 100%),
        url('/assets/images/backpic/back-2.jpg') center/cover;
    }
    .subhero:before{
      content:"";
      position:absolute;
      right:7%;
      top:13%;
      width:390px;
      height:390px;
      border:1px solid rgba(0,224,255,.24);
      border-radius:50%;
      box-shadow:0 0 0 35px rgba(0,224,255,.025),0 0 70px rgba(0,93,255,.2);
    }
    .subhero:after{
      content:"";
      position:absolute;
      right:15%;
      bottom:-150px;
      width:550px;
      height:250px;
      border-top:1px solid rgba(0,224,255,.24);
      border-radius:50%;
      transform:rotate(-18deg);
    }
    .subhero-inner{
      position:relative;
      z-index:1;
      width:100%;
      padding:75px 0;
    }
    .crumbs{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:20px;
      color:var(--muted-2);
      font-size:.8rem;
      font-weight:700;
    }
    .crumbs b{color:var(--cyan);font-weight:800}
    .hero-grid{
      display:grid;
      grid-template-columns:minmax(0,1.12fr) minmax(310px,.72fr);
      align-items:end;
      gap:50px;
    }
    .hero-copy{max-width:730px}
    .hero-copy p{max-width:680px;margin-bottom:27px;font-size:1.04rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-dashboard{
      padding:24px;
      border:1px solid rgba(111,178,255,.3);
      border-radius:var(--radius);
      background:linear-gradient(145deg,rgba(20,39,80,.78),rgba(7,15,35,.72));
      box-shadow:var(--shadow-neon),var(--shadow);
      backdrop-filter:blur(12px);
    }
    .panel-label{
      display:flex;
      align-items:center;
      gap:8px;
      margin-bottom:17px;
      color:var(--muted);
      font-size:.76rem;
      font-weight:800;
      letter-spacing:.06em;
      text-transform:uppercase;
    }
    .signal{
      width:9px;
      height:9px;
      border-radius:50%;
      background:var(--lime);
      box-shadow:0 0 0 5px rgba(185,255,55,.1),0 0 14px var(--lime);
      animation:pulse 1.8s infinite;
    }
    .rate-main{display:flex;align-items:flex-end;gap:11px;padding-bottom:17px;border-bottom:1px solid var(--line)}
    .rate-main strong{color:#fff;font-size:2.6rem;line-height:1;font-weight:900;letter-spacing:-.06em}
    .rate-main span{padding-bottom:4px;color:var(--gold);font-size:.82rem;font-weight:800}
    .status-list{display:grid;gap:0;margin-top:14px}
    .status-line{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding:11px 0;
      color:var(--muted);
      font-size:.83rem;
    }
    .status-line+.status-line{border-top:1px solid rgba(119,165,255,.13)}
    .status-line b{color:var(--text);font-size:.82rem}
    .status-line b.good{color:var(--lime)}

    .metrics-section{padding:48px 0 25px}
    .metrics-board{
      display:grid;
      grid-template-columns:1.25fr repeat(3,1fr);
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:var(--glass);
      box-shadow:var(--shadow-neon);
      backdrop-filter:blur(14px);
    }
    .metric{
      min-height:140px;
      padding:24px 27px;
      border-left:1px solid var(--line);
    }
    .metric:first-child{border-left:0;background:linear-gradient(135deg,rgba(17,103,255,.17),rgba(0,224,255,.04))}
    .metric-kicker{display:block;margin-bottom:7px;color:var(--muted-2);font-size:.74rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}
    .metric strong{display:block;font-size:1.72rem;line-height:1.13;letter-spacing:-.04em}
    .metric:first-child strong{font-size:1.3rem;line-height:1.32}
    .metric small{display:block;margin-top:8px;color:var(--muted);font-size:.78rem;line-height:1.45}

    .offer-layout{
      display:grid;
      grid-template-columns:minmax(270px,.67fr) minmax(0,1.33fr);
      gap:55px;
      align-items:start;
    }
    .offer-sticky{position:sticky;top:105px}
    .offer-sticky p{margin-bottom:25px}
    .mini-note{
      display:flex;
      gap:12px;
      padding-top:21px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:.84rem;
    }
    .mini-note i{
      flex:0 0 24px;
      width:24px;
      height:24px;
      display:grid;
      place-items:center;
      color:var(--cyan);
      border:1px solid var(--line-bright);
      border-radius:50%;
      font-style:normal;
      font-weight:900;
    }
    .offer-list{display:grid;gap:13px}
    .offer-row{
      position:relative;
      display:grid;
      grid-template-columns:64px minmax(0,1fr) auto;
      align-items:center;
      gap:19px;
      padding:19px;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius-sm);
      background:linear-gradient(100deg,rgba(18,33,68,.76),rgba(10,18,41,.65));
      transition:border-color .22s,transform .22s,box-shadow .22s;
    }
    .offer-row:before{
      content:"";
      position:absolute;
      left:0;
      top:0;
      bottom:0;
      width:3px;
      background:var(--cyan);
      box-shadow:0 0 15px var(--cyan);
      opacity:.55;
    }
    .offer-row:hover{
      transform:translateX(5px);
      border-color:rgba(0,224,255,.55);
      box-shadow:var(--shadow-neon);
    }
    .offer-icon{
      width:54px;
      height:54px;
      display:grid;
      place-items:center;
      border:1px solid rgba(0,224,255,.38);
      border-radius:14px;
      color:var(--cyan);
      background:rgba(0,224,255,.07);
      font-size:1.52rem;
      font-weight:900;
    }
    .offer-copy h3{margin-bottom:4px}
    .offer-copy p{margin:0;font-size:.84rem;line-height:1.55}
    .offer-value{text-align:right}
    .offer-value strong{display:block;color:var(--gold);font-size:1.05rem;line-height:1.2}
    .offer-value span{display:block;margin-top:5px;color:var(--muted-2);font-size:.71rem;font-weight:700}

    .split-section{
      border-top:1px solid rgba(119,165,255,.1);
      border-bottom:1px solid rgba(119,165,255,.1);
      background:linear-gradient(90deg,rgba(14,27,59,.45),rgba(7,12,29,.1));
    }
    .compare-grid{
      display:grid;
      grid-template-columns:.9fr 1.1fr;
      gap:58px;
      align-items:center;
    }
    .media-frame{
      position:relative;
      min-height:420px;
      overflow:hidden;
      border:1px solid rgba(0,224,255,.27);
      border-radius:var(--radius);
      background:#0a142d;
      box-shadow:var(--shadow);
    }
    .media-frame img{width:100%;height:100%;min-height:420px;object-fit:cover;opacity:.72}
    .media-frame:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(160deg,rgba(0,224,255,.15),transparent 35%,rgba(5,8,20,.72) 100%);
    }
    .image-stamp{
      position:absolute;
      z-index:1;
      left:22px;
      bottom:21px;
      max-width:225px;
      padding:14px 15px;
      border:1px solid rgba(0,224,255,.35);
      border-radius:10px;
      background:rgba(5,12,30,.76);
      backdrop-filter:blur(10px);
    }
    .image-stamp strong{display:block;color:var(--cyan);font-size:.77rem;letter-spacing:.08em;text-transform:uppercase}
    .image-stamp span{display:block;margin-top:4px;color:#fff;font-size:.88rem;font-weight:800;line-height:1.3}
    .compare-copy h2{max-width:570px}
    .compare-copy>p{margin-bottom:23px}
    .check-list{display:grid;gap:0;margin:0;padding:0;list-style:none}
    .check-list li{
      position:relative;
      padding:14px 0 14px 34px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:.92rem;
    }
    .check-list li:before{
      content:"✓";
      position:absolute;
      top:13px;
      left:0;
      width:21px;
      height:21px;
      display:grid;
      place-items:center;
      color:#071320;
      border-radius:50%;
      background:var(--lime);
      font-size:.72rem;
      font-weight:900;
    }
    .check-list b{color:var(--text)}

    .process-head{display:grid;grid-template-columns:1fr .8fr;gap:45px;align-items:end;margin-bottom:37px}
    .process-head .section-top{margin:0}
    .process-head p{margin:0}
    .process-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
    .process-step{
      position:relative;
      min-height:208px;
      padding:0 27px 0 25px;
      border-left:1px solid rgba(0,224,255,.32);
    }
    .process-step:first-child{border-left:0;padding-left:0}
    .step-number{
      display:block;
      margin-bottom:19px;
      color:var(--cyan);
      font-size:.77rem;
      font-weight:900;
      letter-spacing:.1em;
    }
    .process-step h3{margin-bottom:9px}
    .process-step p{margin:0;font-size:.86rem}

    .guard-section{padding-top:42px}
    .guard-panel{
      display:grid;
      grid-template-columns:1fr 1.02fr;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:rgba(13,25,52,.72);
      box-shadow:var(--shadow);
    }
    .guard-image{min-height:345px;position:relative}
    .guard-image img{width:100%;height:100%;object-fit:cover;opacity:.65}
    .guard-image:after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg,transparent,rgba(6,12,29,.82));
    }
    .guard-copy{padding:49px 48px}
    .guard-copy h2{font-size:clamp(1.65rem,2.8vw,2.35rem)}
    .guard-copy>p{margin-bottom:22px}
    .safety-tags{display:flex;flex-wrap:wrap;gap:9px}
    .safety-tags span{
      padding:8px 10px;
      border:1px solid rgba(119,165,255,.25);
      border-radius:8px;
      color:var(--muted);
      background:rgba(3,10,25,.3);
      font-size:.75rem;
      font-weight:800;
    }

    .faq-layout{display:grid;grid-template-columns:.72fr 1.28fr;gap:58px;align-items:start}
    .faq-side{position:sticky;top:105px}
    .faq-side p{max-width:360px}
    .faq-list{border-top:1px solid var(--line)}
    .faq-item{border-bottom:1px solid var(--line)}
    .faq-item summary{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      padding:20px 2px;
      color:var(--text);
      cursor:pointer;
      font-size:1rem;
      font-weight:800;
      list-style:none;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      flex:0 0 27px;
      width:27px;
      height:27px;
      display:grid;
      place-items:center;
      color:var(--cyan);
      border:1px solid rgba(0,224,255,.35);
      border-radius:50%;
      font-size:1.25rem;
      font-weight:400;
      transition:transform .2s,background .2s;
    }
    .faq-item[open] summary:after{transform:rotate(45deg);background:rgba(0,224,255,.09)}
    .faq-answer{max-width:680px;padding:0 42px 21px 2px;color:var(--muted);font-size:.91rem}

    .cta-section{padding-top:20px;padding-bottom:96px}
    .cta-box{
      position:relative;
      overflow:hidden;
      padding:52px;
      border:1px solid rgba(0,224,255,.32);
      border-radius:var(--radius);
      background:
        linear-gradient(110deg,rgba(15,48,108,.78),rgba(8,20,49,.9) 56%,rgba(13,29,65,.85)),
        url('/assets/images/backpic/back-3.jpg') center/cover;
      box-shadow:var(--shadow-neon),var(--shadow);
    }
    .cta-box:after{
      content:"";
      position:absolute;
      right:-50px;
      top:-90px;
      width:330px;
      height:330px;
      border:1px solid rgba(0,224,255,.27);
      border-radius:50%;
      box-shadow:0 0 0 32px rgba(0,224,255,.035);
      pointer-events:none;
    }
    .cta-content{position:relative;z-index:1;display:grid;grid-template-columns:1fr minmax(290px,.68fr);gap:45px;align-items:center}
    .cta-copy h2{max-width:620px;margin-bottom:12px}
    .cta-copy p{max-width:660px;margin:0}
    .notify-form{
      display:grid;
      grid-template-columns:1fr auto;
      gap:10px;
      padding:7px;
      border:1px solid rgba(143,196,255,.3);
      border-radius:12px;
      background:rgba(4,10,26,.61);
      backdrop-filter:blur(10px);
    }
    .notify-form label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
    .notify-form input{
      min-width:0;
      padding:0 11px;
      color:var(--text);
      border:0;
      outline:0;
      background:transparent;
      font-size:.88rem;
    }
    .notify-form input::placeholder{color:var(--muted-2)}
    .form-note{margin:11px 0 0;color:var(--muted-2);font-size:.72rem;line-height:1.5}

    .site-footer{
      border-top:1px solid rgba(119,165,255,.17);
      background:rgba(3,7,17,.86);
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.5fr .7fr .7fr;
      gap:55px;
      padding:61px 0 45px;
    }
    .footer-brand .brand{margin-bottom:17px}
    .footer-brand p{max-width:500px;margin-bottom:19px;font-size:.85rem}
    .footer-badges{display:flex;flex-wrap:wrap;gap:8px}
    .footer-badge{
      padding:6px 8px;
      border:1px solid rgba(119,165,255,.21);
      border-radius:5px;
      color:var(--muted);
      font-size:.65rem;
      font-weight:800;
      letter-spacing:.03em;
    }
    .footer-title{margin:4px 0 14px;color:#fff;font-size:.85rem}
    .footer-links{margin:0;padding:0;list-style:none}
    .footer-links li+li{margin-top:10px}
    .footer-links a{color:var(--muted);font-size:.84rem;transition:color .2s}
    .footer-links a:hover{color:var(--cyan)}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:15px;
      padding:18px 0 22px;
      border-top:1px solid rgba(119,165,255,.12);
      color:var(--muted-2);
      font-size:.76rem;
    }

    .support-fab{
      position:fixed;
      left:16px;
      bottom:96px;
      z-index:45;
      display:flex;
      align-items:center;
      justify-content:center;
      width:58px;
      height:58px;
      color:var(--cyan);
      border:1px solid transparent;
      border-radius:17px;
      background:
        linear-gradient(rgba(7,13,33,.9),rgba(7,13,33,.9)) padding-box,
        linear-gradient(135deg,var(--cyan),var(--blue),var(--lime)) border-box;
      box-shadow:0 0 17px rgba(0,240,255,.43),inset 0 0 18px rgba(0,224,255,.08);
      opacity:.72;
      transition:transform .2s,opacity .2s,box-shadow .2s;
      animation:fabPulse 2.1s ease-in-out infinite;
    }
    .support-fab:before{
      content:"";
      position:absolute;
      top:7px;
      right:8px;
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--red);
      box-shadow:0 0 9px var(--red);
    }
    .support-fab span{font-size:1.35rem;filter:drop-shadow(0 0 6px var(--cyan))}
    .support-fab:hover{
      opacity:1;
      transform:scale(1.1);
      box-shadow:0 0 28px rgba(0,240,255,.7),inset 0 0 20px rgba(0,224,255,.14);
    }
    .support-fab:hover span{animation:flicker .45s linear}
    .support-fab:active{transform:scale(.95)}

    @keyframes pulse{50%{opacity:.45;transform:scale(.82)}}
    @keyframes fabPulse{50%{opacity:1;box-shadow:0 0 25px rgba(0,240,255,.64),inset 0 0 18px rgba(0,224,255,.1)}}
    @keyframes flicker{20%,52%,76%{opacity:.25} 25%,56%,80%{opacity:1}}

    @media (max-width:1024px){
      .hero-grid,.compare-grid,.faq-layout{gap:37px}
      .offer-layout{gap:37px}
      .guard-copy{padding:39px}
      .process-step{padding-right:18px;padding-left:18px}
      .metrics-board{grid-template-columns:repeat(2,1fr)}
      .metric:nth-child(3){border-left:0;border-top:1px solid var(--line)}
      .metric:nth-child(4){border-top:1px solid var(--line)}
    }
    @media (max-width:768px){
      .container{width:min(var(--container),calc(100% - 34px))}
      .section{padding:68px 0}
      .nav-wrap{gap:14px;min-height:68px}
      .brand-name{max-width:156px}
      .brand-name em{display:none}
      .main-nav{
        gap:1px;
        overflow-x:auto;
        margin-left:auto;
        scrollbar-width:none;
      }
      .main-nav::-webkit-scrollbar{display:none}
      .main-nav a{padding:9px 9px;font-size:.75rem}
      .subhero{min-height:auto}
      .subhero-inner{padding:58px 0 61px}
      .hero-grid,.offer-layout,.compare-grid,.faq-layout,.cta-content,.guard-panel{grid-template-columns:1fr}
      .hero-grid{gap:28px}
      .hero-dashboard{max-width:540px}
      .offer-sticky,.faq-side{position:static}
      .offer-sticky{max-width:620px}
      .media-frame{min-height:320px}
      .media-frame img{min-height:320px}
      .compare-grid{gap:34px}
      .guard-image{min-height:250px}
      .guard-image:after{background:linear-gradient(0deg,rgba(6,12,29,.7),transparent)}
      .process-head{grid-template-columns:1fr;gap:9px}
      .process-rail{grid-template-columns:repeat(2,1fr);gap:30px 0}
      .process-step:nth-child(3){border-left:0;padding-left:0}
      .guard-copy{padding:34px 28px}
      .cta-box{padding:36px 28px}
      .footer-main{grid-template-columns:1fr 1fr;gap:35px;padding:48px 0 34px}
      .footer-brand{grid-column:1/-1}
    }
    @media (max-width:520px){
      body{font-size:15px}
      .container{width:calc(100% - 28px)}
      h1{font-size:2.18rem}
      .nav-wrap{min-height:64px}
      .brand-mark{flex-basis:33px;width:33px;height:33px}
      .brand-name{font-size:.73rem;max-width:103px}
      .main-nav a{padding:9px 7px;font-size:.69rem}
      .subhero-inner{padding:45px 0 49px}
      .hero-copy p{font-size:.95rem}
      .hero-actions .btn{width:100%}
      .metrics-section{padding-top:29px}
      .metrics-board{grid-template-columns:1fr}
      .metric,.metric:nth-child(2),.metric:nth-child(3),.metric:nth-child(4){
        min-height:auto;
        padding:19px;
        border-left:0;
        border-top:1px solid var(--line);
      }
      .metric:first-child{border-top:0}
      .offer-row{grid-template-columns:48px minmax(0,1fr);gap:13px;padding:16px}
      .offer-icon{width:45px;height:45px;border-radius:12px;font-size:1.2rem}
      .offer-value{grid-column:2;text-align:left}
      .offer-value strong,.offer-value span{display:inline}
      .offer-value span{margin-left:7px}
      .process-rail{grid-template-columns:1fr;gap:0}
      .process-step,.process-step:nth-child(3){
        min-height:0;
        padding:0 0 25px 22px;
        border-left:1px solid rgba(0,224,255,.32);
      }
      .process-step:first-child{padding-left:22px;border-left:1px solid rgba(0,224,255,.32)}
      .process-step:last-child{padding-bottom:0}
      .step-number{margin-bottom:8px}
      .faq-item summary{padding:17px 0;font-size:.92rem}
      .faq-answer{padding-right:8px}
      .cta-box{padding:29px 20px}
      .notify-form{grid-template-columns:1fr;padding:8px}
      .notify-form input{min-height:42px;padding:0 9px}
      .notify-form .btn{width:100%}
      .footer-main{grid-template-columns:1fr;gap:27px}
      .footer-brand{grid-column:auto}
      .footer-bottom{display:block;line-height:1.7}
      .footer-bottom span{display:block}
      .support-fab{left:14px;bottom:81px;width:52px;height:52px}
    }