/* roulang page: index */
:root{
  --bg-abyss:#050814;
  --bg-deep:#0A1330;
  --panel:rgba(16,26,54,0.72);
  --panel-solid:#0E1834;
  --border:rgba(56,189,248,0.18);
  --border-strong:rgba(56,189,248,0.42);
  --txt:#F8FAFC;
  --txt-soft:#CBD5E1;
  --txt-mute:#94A3B8;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --teal:#22D3EE;
  --gold:#F59E0B;
  --green:#34D399;
  --shadow-glow:0 0 24px rgba(37,99,235,0.35);
  --radius:16px;
  --radius-sm:10px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,0.20), transparent 60%),
    radial-gradient(900px 540px at 92% 4%, rgba(34,211,238,0.14), transparent 62%),
    linear-gradient(180deg,#050814 0%,#070C1E 42%,#050814 100%);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',Roboto,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
::selection{background:rgba(56,189,248,0.35);color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.grid-overlay{
  background-image:linear-gradient(rgba(56,189,248,0.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,0.06) 1px,transparent 1px);
  background-size:56px 56px;
}
.glass{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.glass-strong{
  background:linear-gradient(160deg,rgba(20,32,66,0.92),rgba(9,16,38,0.94));
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(16px);
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border:1px solid var(--border-strong);
  color:var(--cyan);background:rgba(37,99,235,0.12);
}
.chip-gold{border-color:rgba(245,158,11,.4);color:#FCD34D;background:rgba(245,158,11,.1);}
.chip-green{border-color:rgba(52,211,153,.4);color:#6EE7B7;background:rgba(52,211,153,.1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:12px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:.25s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  color:#02101F;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(37,99,235,0.6);}
.btn-outline{
  background:transparent;border:1px solid var(--border-strong);color:var(--cyan);
}
.btn-outline:hover{background:rgba(56,189,248,0.12);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.10);color:var(--txt-soft);}
.btn-ghost:hover{border-color:var(--border-strong);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px;}
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.section-head{margin-bottom:34px;}
.section-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin-bottom:10px;display:flex;align-items:center;gap:10px;
}
.section-eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,#2563EB,#22D3EE);border-radius:2px;}
h1,h2,h3{line-height:1.25;margin:0;font-weight:700;}
.section-title{font-size:clamp(1.5rem,3vw,2.1rem);}
.section-sub{color:var(--txt-mute);margin-top:12px;max-width:760px;font-size:15.5px;}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  transition:.28s ease;overflow:hidden;
}
.card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 14px 40px rgba(2,10,30,0.6);}
.card-pad{padding:22px;}
.metric{
  background:linear-gradient(160deg,rgba(21,34,68,0.9),rgba(8,15,36,0.9));
  border:1px solid var(--border);border-radius:var(--radius);padding:22px;
}
.metric-num{font-size:clamp(1.6rem,3.4vw,2.2rem);font-weight:800;background:linear-gradient(135deg,#60A5FA,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent;}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent);}
.tagline-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.tagline-list li{display:flex;gap:12px;align-items:flex-start;color:var(--txt-soft);font-size:15px;}
.tagline-list i{color:var(--teal);margin-top:4px;}
header.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,20,0.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15.5px;letter-spacing:-0.01em;color:#fff;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  display:flex;align-items:center;justify-content:center;color:#02101F;font-size:17px;
  box-shadow:0 0 20px rgba(34,211,238,.45);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text small{font-size:10.5px;font-weight:500;color:var(--txt-mute);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--txt-soft);
  transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,0.10);}
.nav-links a.active{color:var(--cyan);background:rgba(37,99,235,0.16);box-shadow:inset 0 0 0 1px var(--border);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--border);color:#fff;font-size:17px;}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;padding:14px 20px 22px;
  border-top:1px solid var(--border);background:rgba(5,8,20,0.98);
}
.mobile-drawer a{padding:12px 14px;border-radius:10px;color:var(--txt-soft);font-size:15px;}
.mobile-drawer a.active{color:var(--cyan);background:rgba(37,99,235,0.16);}
.mobile-drawer.open{display:flex;}
.hero{
  position:relative;overflow:hidden;
  padding:70px 0 62px;
  border-bottom:1px solid var(--border);
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.30;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,20,0.78),rgba(5,8,20,0.94));
}
.hero-content{position:relative;z-index:2;}
.hero h1{font-size:clamp(1.85rem,4.4vw,3rem);font-weight:800;letter-spacing:-0.02em;}
.hero h1 span{background:linear-gradient(135deg,#60A5FA,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{color:var(--txt-soft);font-size:16px;margin-top:18px;max-width:660px;}
.region-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.region-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;
  background:rgba(37,99,235,0.12);border:1px solid var(--border);font-size:13px;color:var(--txt-soft);
  transition:.22s;
}
.region-pill:hover{border-color:var(--border-strong);color:#fff;transform:translateY(-2px);}
.region-pill i{color:var(--teal);}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;}
.hero-metrics .metric{padding:18px;}
.hero-metrics .metric small{display:block;color:var(--txt-mute);font-size:12px;margin-top:4px;text-transform:uppercase;letter-spacing:.06em;}
.list-card{display:flex;gap:16px;padding:16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);transition:.25s;}
.list-card:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:0 12px 32px rgba(2,10,30,.55);}
.list-thumb{width:112px;height:78px;border-radius:10px;object-fit:cover;flex:none;border:1px solid rgba(56,189,248,.2);}
.list-meta{display:flex;gap:14px;font-size:12.5px;color:var(--txt-mute);margin-top:9px;flex-wrap:wrap;}
.list-meta span{display:inline-flex;align-items:center;gap:6px;}
.cat-card{position:relative;padding:26px;border-radius:var(--radius);border:1px solid var(--border);background:linear-gradient(160deg,rgba(18,30,62,.85),rgba(7,13,32,.9));transition:.28s;overflow:hidden;}
.cat-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,#2563EB,#22D3EE);opacity:.6;transition:.28s;}
.cat-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 18px 44px rgba(2,10,30,.6);}
.cat-card:hover::before{opacity:1;}
.cat-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:19px;background:rgba(37,99,235,.16);color:var(--cyan);margin-bottom:16px;border:1px solid var(--border);}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px;background:var(--panel);transition:.24s;}
.faq-item:hover{border-color:var(--border-strong);}
.faq-item h4{margin:0 0 8px;font-size:16px;font-weight:600;color:#fff;display:flex;gap:12px;align-items:flex-start;}
.faq-item h4 i{color:var(--teal);margin-top:4px;font-size:14px;}
.faq-item p{margin:0;color:var(--txt-mute);font-size:14.5px;padding-left:26px;}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid rgba(56,189,248,.12);}
.compare-table thead th{background:rgba(37,99,235,.14);color:var(--cyan);font-size:13px;text-transform:uppercase;letter-spacing:.05em;font-weight:700;}
.compare-table tbody tr{background:rgba(14,24,52,.62);transition:.2s;}
.compare-table tbody tr:hover{background:rgba(24,40,80,.72);}
.compare-table td:first-child{color:var(--txt-soft);font-weight:500;}
.compare-table .col-highlight{background:rgba(37,99,235,.20);}
.compare-table .col-highlight th{color:#7DD3FC;}
.badge-check{color:var(--green);}
.badge-x{color:#F87171;}
.step-card{position:relative;padding:24px;border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);}
.step-num{font-size:13px;font-weight:800;color:#02101F;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#38BDF8,#22D3EE);display:flex;align-items:center;justify-content:center;margin-bottom:16px;box-shadow:0 0 18px rgba(34,211,238,.4);}
.quote-card{padding:24px;border-radius:var(--radius);border:1px solid var(--border);background:linear-gradient(160deg,rgba(18,30,62,.8),rgba(8,14,34,.9));}
.quote-card p{color:var(--txt-soft);font-size:14.5px;margin:0 0 16px;}
.quote-author{display:flex;align-items:center;gap:12px;}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,#2563EB,#22D3EE);display:flex;align-items:center;justify-content:center;font-weight:700;color:#02101F;font-size:15px;}
footer.site-footer{border-top:1px solid var(--border);background:linear-gradient(180deg,rgba(5,8,20,0.6),rgba(3,5,14,0.98));padding:56px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col h5{font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--teal);margin:0 0 16px;font-weight:700;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col a{color:var(--txt-mute);font-size:14px;transition:.2s;}
.footer-col a:hover{color:var(--cyan);padding-left:4px;}
.footer-about p{color:var(--txt-mute);font-size:14px;margin:14px 0 0;}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(56,189,248,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--txt-mute);}
.pay-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
.pay-badge{padding:6px 13px;border-radius:8px;border:1px solid var(--border);font-size:12px;color:var(--txt-soft);background:rgba(255,255,255,.03);}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:16px;
  background:linear-gradient(140deg,rgba(10,19,48,.92),rgba(5,8,20,.95));
  border:1px solid transparent;
  background-clip:padding-box;
  display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:20px;
  box-shadow:0 0 20px rgba(34,211,238,.45);
  transition:.28s;opacity:.82;
}
.fab::before{
  content:"";position:absolute;inset:-1px;border-radius:17px;padding:1px;
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.fab:hover{opacity:1;transform:scale(1.1) rotate(360deg);box-shadow:0 0 32px rgba(34,211,238,.7);}
.fab-dot{position:absolute;top:-3px;right:-3px;width:13px;height:13px;border-radius:50%;background:#F43F5E;border:2px solid #050814;animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;padding:44px;
  background:linear-gradient(135deg,rgba(37,99,235,.24),rgba(34,211,238,.14));
  border:1px solid var(--border-strong);
}
.slider-track{display:flex;gap:16px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory;}
.slider-track::-webkit-scrollbar{height:6px;}
.slider-track::-webkit-scrollbar-thumb{background:rgba(56,189,248,.35);border-radius:6px;}
.slider-card{min-width:268px;scroll-snap-align:start;border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);overflow:hidden;transition:.25s;}
.slider-card:hover{border-color:var(--border-strong);transform:translateY(-4px);}
.slider-card img{height:140px;width:100%;object-fit:cover;}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .hero-metrics{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:860px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-actions .btn-outline{display:none;}
  .hero{padding:52px 0 46px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:52px 0;}
  .hero-metrics{grid-template-columns:1fr;gap:12px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .list-card{flex-direction:column;}
  .list-thumb{width:100%;height:150px;}
  .cta-band{padding:28px 22px;}
  .compare-table{font-size:13px;}
  .compare-table th,.compare-table td{padding:11px 12px;}
}
a:focus-visible,button:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:8px;}

/* roulang page: category1 */
:root{
  --bg-abyss:#050814;
  --bg-deep:#0A1330;
  --panel:rgba(16,26,54,0.72);
  --panel-solid:#0E1834;
  --border:rgba(56,189,248,0.18);
  --border-strong:rgba(56,189,248,0.42);
  --txt:#F8FAFC;
  --txt-soft:#CBD5E1;
  --txt-mute:#94A3B8;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --teal:#22D3EE;
  --gold:#F59E0B;
  --green:#34D399;
  --shadow-glow:0 0 24px rgba(37,99,235,0.35);
  --radius:16px;
  --radius-sm:10px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,0.20), transparent 60%),
    radial-gradient(900px 540px at 92% 4%, rgba(34,211,238,0.14), transparent 62%),
    linear-gradient(180deg,#050814 0%,#070C1E 42%,#050814 100%);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',Roboto,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,h5{margin:0;line-height:1.25;}
p{margin:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.grid-overlay{
  background-image:linear-gradient(rgba(56,189,248,0.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,0.06) 1px,transparent 1px);
  background-size:56px 56px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border:1px solid var(--border-strong);
  color:var(--cyan);background:rgba(37,99,235,0.12);
}
.chip-gold{border-color:rgba(245,158,11,.4);color:#FCD34D;background:rgba(245,158,11,.1);}
.chip-green{border-color:rgba(52,211,153,.4);color:#6EE7B7;background:rgba(52,211,153,.1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:12px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:.25s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  color:#02101F;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(37,99,235,0.6);}
.btn-outline{
  background:transparent;border:1px solid var(--border-strong);color:var(--cyan);
}
.btn-outline:hover{background:rgba(56,189,248,0.12);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.10);color:var(--txt-soft);}
.btn-ghost:hover{border-color:var(--border-strong);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px;}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.section-head{margin-bottom:34px;}
.section-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin-bottom:10px;display:flex;align-items:center;gap:10px;
}
.section-eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,#2563EB,#22D3EE);border-radius:2px;}
.section-title{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:800;letter-spacing:-0.01em;}
.section-sub{color:var(--txt-mute);margin-top:12px;max-width:760px;font-size:15.5px;}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  transition:.28s ease;overflow:hidden;backdrop-filter:blur(10px);
}
.card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 14px 40px rgba(2,10,30,0.6);}
.card-pad{padding:22px;}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent);}
.tagline-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.tagline-list li{display:flex;gap:12px;align-items:flex-start;color:var(--txt-soft);font-size:15px;}
.tagline-list i{color:var(--teal);margin-top:4px;}
header.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,20,0.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15.5px;letter-spacing:-0.01em;color:#fff;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  display:flex;align-items:center;justify-content:center;color:#02101F;font-size:17px;
  box-shadow:0 0 20px rgba(34,211,238,.45);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text small{font-size:10.5px;font-weight:500;color:var(--txt-mute);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--txt-soft);
  transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,0.10);}
.nav-links a.active{color:var(--cyan);background:rgba(37,99,235,0.16);box-shadow:inset 0 0 0 1px var(--border);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--border);color:#fff;font-size:17px;}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;padding:14px 20px 22px;
  border-top:1px solid var(--border);background:rgba(5,8,20,0.98);
}
.mobile-drawer a{padding:12px 14px;border-radius:10px;color:var(--txt-soft);font-size:15px;}
.mobile-drawer a.active{color:var(--cyan);background:rgba(37,99,235,0.16);}
.mobile-drawer.open{display:flex;}
/* Category hero */
.cat-hero{
  position:relative;overflow:hidden;
  padding:66px 0 58px;
  border-bottom:1px solid var(--border);
}
.cat-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.28;
}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,20,0.80),rgba(5,8,20,0.95));
}
.cat-hero-content{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .95fr;gap:44px;align-items:center;}
.cat-hero h1{font-size:clamp(1.9rem,4.2vw,2.95rem);font-weight:800;letter-spacing:-0.02em;}
.cat-hero h1 span{background:linear-gradient(135deg,#60A5FA,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-hero-lead{color:var(--txt-soft);font-size:16px;margin-top:18px;max-width:680px;}
.hero-cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stat-panel{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;backdrop-filter:blur(12px);
}
.hero-stat-panel h3{font-size:15px;font-weight:700;color:var(--txt-soft);letter-spacing:.02em;margin-bottom:16px;}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.stat-box{
  background:rgba(37,99,235,0.10);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:14px;
}
.stat-box strong{display:block;font-size:1.4rem;font-weight:800;color:#fff;}
.stat-box span{font-size:12.5px;color:var(--txt-mute);}
/* Search / filter bar (blueprint: resource hero search) */
.search-bar{
  display:flex;gap:10px;margin-top:26px;max-width:620px;
}
.search-bar input{
  flex:1;min-width:0;padding:14px 16px;border-radius:12px;
  background:rgba(5,8,20,0.72);border:1px solid var(--border);color:var(--txt);font-size:14.5px;
}
.search-bar input::placeholder{color:var(--txt-mute);}
.search-bar input:focus{outline:none;border-color:var(--border-strong);box-shadow:0 0 0 3px rgba(37,99,235,0.25);}
.quick-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.quick-links a{
  padding:7px 14px;border-radius:999px;font-size:13px;color:var(--txt-soft);
  background:rgba(255,255,255,0.04);border:1px solid var(--border);transition:.2s;
}
.quick-links a:hover{color:#fff;border-color:var(--border-strong);transform:translateY(-2px);}
/* metric dashboard */
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;position:relative;overflow:hidden;
}
.metric::after{
  content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;
  background:radial-gradient(circle,rgba(37,99,235,.35),transparent 70%);
}
.metric i{color:var(--teal);font-size:18px;margin-bottom:10px;display:block;}
.metric strong{display:block;font-size:1.55rem;font-weight:800;color:#fff;}
.metric span{font-size:13px;color:var(--txt-mute);}
/* service matrix */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.matrix-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:24px;transition:.28s;}
.matrix-card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 14px 40px rgba(2,10,30,0.6);}
.matrix-card i{font-size:20px;color:var(--cyan);margin-bottom:14px;display:block;}
.matrix-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.matrix-card p{color:var(--txt-mute);font-size:14.5px;}
/* compare table */
.compare-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);}
.compare-table{width:100%;border-collapse:collapse;min-width:640px;}
.compare-table th,.compare-table td{
  padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--border);
}
.compare-table th{background:rgba(37,99,235,0.12);color:#fff;font-weight:700;font-size:13.5px;letter-spacing:.03em;text-transform:uppercase;}
.compare-table td{color:var(--txt-soft);}
.compare-table tr:last-child td{border-bottom:none;}
.compare-table tr:hover td{background:rgba(56,189,248,0.05);}
/* timeline */
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,#2563EB,#22D3EE);opacity:.5;}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-27px;top:5px;width:14px;height:14px;border-radius:50%;
  background:#050814;border:2px solid var(--cyan);box-shadow:0 0 12px rgba(34,211,238,.6);
}
.timeline-item h4{font-size:16px;font-weight:700;margin-bottom:6px;}
.timeline-item p{color:var(--txt-mute);font-size:14.5px;}
/* content list */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.28s;display:flex;flex-direction:column;}
.news-card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 14px 40px rgba(2,10,30,0.6);}
.news-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,rgba(37,99,235,.4),rgba(34,211,238,.3));position:relative;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:.4s;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;gap:12px;font-size:12px;color:var(--txt-mute);flex-wrap:wrap;}
.news-meta span{display:inline-flex;align-items:center;gap:6px;}
.news-body h3{font-size:16px;font-weight:700;line-height:1.4;}
.news-body p{color:var(--txt-mute);font-size:14px;flex:1;}
.news-link{color:var(--cyan);font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.news-link:hover{gap:10px;}
/* guarantee strip */
.guarantee{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.guarantee-item{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-align:left;}
.guarantee-item i{font-size:20px;color:var(--gold);margin-bottom:12px;display:block;}
.guarantee-item h4{font-size:15px;font-weight:700;margin-bottom:8px;}
.guarantee-item p{font-size:14px;color:var(--txt-mute);}
/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 20px;background:none;border:none;color:#fff;font-size:15.5px;font-weight:600;text-align:left;
}
.faq-q i{color:var(--cyan);transition:.25s;flex:none;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 20px;}
.faq-item.open .faq-a{max-height:320px;padding-bottom:18px;}
.faq-a p{color:var(--txt-mute);font-size:14.5px;}
/* CTA / form */
.cta-panel{
  background:linear-gradient(135deg,rgba(37,99,235,0.20),rgba(34,211,238,0.12));
  border:1px solid var(--border-strong);border-radius:var(--radius);
  padding:40px;display:grid;grid-template-columns:1.1fr 1fr;gap:38px;align-items:center;
}
.cta-panel h2{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:800;}
.cta-panel p{color:var(--txt-soft);font-size:15px;margin-top:14px;}
.cta-form{display:grid;gap:12px;}
.cta-form input,.cta-form select{
  padding:13px 15px;border-radius:12px;background:rgba(5,8,20,0.72);
  border:1px solid var(--border);color:var(--txt);font-size:14.5px;
}
.cta-form input::placeholder{color:var(--txt-mute);}
.cta-form input:focus,.cta-form select:focus{outline:none;border-color:var(--border-strong);box-shadow:0 0 0 3px rgba(37,99,235,0.25);}
.cta-form button{margin-top:4px;}
.form-note{font-size:12.5px;color:var(--txt-mute);}
/* footer */
.site-footer{
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(5,8,20,0.6),rgba(5,8,20,0.98));
  padding:56px 0 26px;position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-col h5{font-size:13.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col ul a{color:var(--txt-mute);font-size:14px;transition:.2s;}
.footer-col ul a:hover{color:var(--cyan);}
.footer-about p{color:var(--txt-mute);font-size:14px;margin-top:16px;max-width:420px;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pay-badge{
  padding:6px 12px;border-radius:8px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,0.05);border:1px solid var(--border);color:var(--txt-soft);
}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-mute);
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:16px;
  background:rgba(7,7,13,0.8);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,0.85),rgba(7,7,13,0.85)),linear-gradient(135deg,#38BDF8,#22D3EE);
  background-origin:border-box;background-clip:padding-box,border-box;
  display:flex;align-items:center;justify-content:center;
  color:#22D3EE;font-size:20px;box-shadow:0 0 20px rgba(6,182,212,0.45);
  transition:.25s ease;opacity:.8;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(6,182,212,0.7);}
.fab:active{transform:scale(.95);}
.fab .dot{
  position:absolute;top:8px;right:8px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);
}
@media (max-width:1024px){
  .cat-hero-content{grid-template-columns:1fr;gap:32px;}
  .metric-row{grid-template-columns:repeat(2,1fr);}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .guarantee{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;gap:26px;padding:32px;}
  .nav-links{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
}
@media (max-width:640px){
  .section{padding:52px 0;}
  .section-tight{padding:40px 0;}
  .cat-hero{padding:48px 0 44px;}
  .metric-row{grid-template-columns:1fr;}
  .matrix-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .guarantee{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .search-bar{flex-direction:column;}
  .cta-panel{padding:24px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --bg-abyss:#050814;
  --bg-deep:#0A1330;
  --panel:rgba(16,26,54,0.72);
  --panel-solid:#0E1834;
  --border:rgba(56,189,248,0.18);
  --border-strong:rgba(56,189,248,0.42);
  --txt:#F8FAFC;
  --txt-soft:#CBD5E1;
  --txt-mute:#94A3B8;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --teal:#22D3EE;
  --gold:#F59E0B;
  --green:#34D399;
  --shadow-glow:0 0 24px rgba(37,99,235,0.35);
  --radius:16px;
  --radius-sm:10px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,0.20), transparent 60%),
    radial-gradient(900px 540px at 92% 4%, rgba(34,211,238,0.14), transparent 62%),
    linear-gradient(180deg,#050814 0%,#070C1E 42%,#050814 100%);
  background-attachment:fixed;
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,h5{margin:0;line-height:1.28;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.grid-overlay{
  background-image:linear-gradient(rgba(56,189,248,0.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,0.06) 1px,transparent 1px);
  background-size:56px 56px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border:1px solid var(--border-strong);
  color:var(--cyan);background:rgba(37,99,235,0.12);
}
.chip-gold{border-color:rgba(245,158,11,.4);color:#FCD34D;background:rgba(245,158,11,.1);}
.chip-green{border-color:rgba(52,211,153,.4);color:#6EE7B7;background:rgba(52,211,153,.1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:12px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:.25s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  color:#02101F;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(37,99,235,0.6);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:transparent;border:1px solid var(--border-strong);color:var(--cyan);
}
.btn-outline:hover{background:rgba(56,189,248,0.12);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.10);color:var(--txt-soft);}
.btn-ghost:hover{border-color:var(--border-strong);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px;}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  transition:.28s ease;overflow:hidden;
}
.card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 14px 40px rgba(2,10,30,0.6);}
.card-pad{padding:22px;}
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.section-head{margin-bottom:34px;}
.section-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin-bottom:10px;display:flex;align-items:center;gap:10px;
}
.section-eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,#2563EB,#22D3EE);border-radius:2px;flex:none;}
.section-title{font-size:clamp(1.5rem,3vw,2.1rem);}
.section-sub{color:var(--txt-mute);margin-top:12px;max-width:760px;font-size:15.5px;}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent);}
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:90;
  background:linear-gradient(90deg,#2563EB,#22D3EE);
  box-shadow:0 0 12px rgba(34,211,238,.7);
  transition:width .12s linear;
}
header.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,20,0.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15.5px;letter-spacing:-0.01em;color:#fff;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  display:flex;align-items:center;justify-content:center;color:#02101F;font-size:17px;
  box-shadow:0 0 20px rgba(34,211,238,.45);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;min-width:0;}
.logo-text small{font-size:10.5px;font-weight:500;color:var(--txt-mute);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--txt-soft);
  transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,0.10);}
.nav-links a.active{color:var(--cyan);background:rgba(37,99,235,0.16);box-shadow:inset 0 0 0 1px var(--border);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--border);color:#fff;font-size:17px;transition:.2s;}
.nav-toggle:hover{border-color:var(--border-strong);color:var(--cyan);}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;padding:14px 20px 22px;
  border-top:1px solid var(--border);background:rgba(5,8,20,0.98);
}
.mobile-drawer a{padding:12px 14px;border-radius:10px;color:var(--txt-soft);font-size:15px;transition:.2s;}
.mobile-drawer a:hover{background:rgba(56,189,248,.08);color:#fff;}
.mobile-drawer a.active{color:var(--cyan);background:rgba(37,99,235,0.16);}
.mobile-drawer.open{display:flex;}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:46px 0 40px;
  border-bottom:1px solid var(--border);
}
.article-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22;
}
.article-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,20,0.82),rgba(5,8,20,0.96));
}
.article-hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-mute);margin-bottom:20px;
}
.breadcrumb a{color:var(--txt-soft);transition:.2s;}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb i{font-size:10px;color:var(--txt-mute);}
.brand-line{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--teal);margin-bottom:16px;
}
.brand-line i{font-size:11px;}
.article-title{
  font-size:clamp(1.65rem,4vw,2.65rem);
  font-weight:800;letter-spacing:-0.02em;line-height:1.25;
  max-width:900px;
  background:linear-gradient(120deg,#FFFFFF 30%,#BAE6FD 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:22px;font-size:13.5px;color:var(--txt-mute);
}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--teal);font-size:12.5px;}

/* ---------- Metrics strip ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  margin-top:30px;
}
.metric{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:16px 18px;transition:.25s ease;
}
.metric:hover{border-color:var(--border-strong);transform:translateY(-3px);}
.metric b{display:block;font-size:1.35rem;font-weight:800;color:#fff;letter-spacing:-.02em;}
.metric span{display:block;font-size:12px;color:var(--txt-mute);margin-top:4px;line-height:1.4;}

/* ---------- Article body ---------- */
.article-wrap{padding:56px 0 24px;}
.article-shell{max-width:880px;}
.cover-frame{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  margin-bottom:38px;box-shadow:0 20px 50px rgba(2,10,30,.55);
}
.cover-frame img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-body{font-size:16.5px;line-height:1.75;color:var(--txt-soft);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:clamp(1.25rem,2.4vw,1.55rem);color:#fff;font-weight:700;
  margin:42px 0 16px;padding-left:14px;border-left:3px solid var(--teal);line-height:1.35;
}
.article-body h3{font-size:1.16rem;color:#fff;margin:30px 0 12px;font-weight:600;}
.article-body h4{font-size:1.02rem;color:#E2E8F0;margin:24px 0 10px;font-weight:600;}
.article-body p{margin:0 0 17px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px;display:grid;gap:10px;}
.article-body li{padding-left:2px;}
.article-body li::marker{color:var(--teal);}
.article-body strong{color:#fff;font-weight:600;}
.article-body em{color:#E2E8F0;}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;transition:.2s;}
.article-body a:hover{color:#7DD3FC;}
.article-body img{border-radius:14px;margin:24px 0;border:1px solid var(--border);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--gold);
  background:rgba(245,158,11,.08);
  border-radius:0 14px 14px 0;color:var(--txt-soft);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  border:1px solid var(--border);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left;}
.article-body th{background:rgba(37,99,235,.16);color:#fff;font-weight:600;}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.02);}
.article-body hr{border:0;height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent);margin:34px 0;}

/* ---------- Notes / CTA ---------- */
.note-box{
  margin-top:38px;padding:20px 22px;border-radius:var(--radius);
  background:rgba(37,99,235,.10);border:1px solid var(--border);
  display:flex;gap:14px;align-items:flex-start;
}
.note-box i{color:var(--teal);font-size:18px;margin-top:3px;flex:none;}
.note-box p{font-size:14.5px;color:var(--txt-soft);margin:0;}
.cta-band{
  margin:52px 0 0;padding:34px 32px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(34,211,238,.10));
  border:1px solid var(--border-strong);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-band h3{font-size:1.22rem;color:#fff;margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:var(--txt-soft);max-width:560px;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pay-badge{
  font-size:11.5px;font-weight:600;letter-spacing:.04em;
  padding:5px 12px;border-radius:999px;
  border:1px solid var(--border);background:rgba(255,255,255,.04);color:var(--txt-soft);
}
.not-found{
  padding:60px 28px;text-align:center;border:1px dashed var(--border-strong);
  border-radius:var(--radius);background:var(--panel);
}
.not-found i{font-size:34px;color:var(--teal);margin-bottom:16px;display:block;}
.not-found h2{font-size:1.4rem;color:#fff;margin-bottom:12px;}
.not-found p{color:var(--txt-mute);font-size:15px;margin-bottom:22px;}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0A1330,#1B2A5B);
  border:1px solid var(--border-strong);
  color:var(--cyan);font-size:20px;
  box-shadow:0 0 22px rgba(34,211,238,.35);
  transition:.25s ease;
}
.fab:hover{transform:scale(1.08);color:#fff;box-shadow:0 0 32px rgba(34,211,238,.6);}
.fab:active{transform:scale(.95);}
.fab::after{
  content:"";position:absolute;top:7px;right:7px;width:8px;height:8px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 0 2px rgba(5,8,20,.9);
}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(10,19,48,.55),rgba(5,8,20,.95));
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-col h5{
  font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:#fff;margin-bottom:16px;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-col ul a{font-size:14px;color:var(--txt-mute);transition:.2s;}
.footer-col ul a:hover{color:var(--cyan);padding-left:3px;}
.footer-about p{font-size:14px;color:var(--txt-mute);margin-top:16px;line-height:1.7;max-width:420px;}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--txt-mute);
}

@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-tight{padding:42px 0;}
  .article-hero{padding:34px 0 30px;}
  .article-wrap{padding:40px 0 16px;}
  .article-body{font-size:16px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .cta-band{padding:26px 22px;}
  .cta-band .btn{width:100%;}
  .fab{width:50px;height:50px;font-size:18px;bottom:84px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .nav-inner{height:64px;}
  .logo-text{font-size:13.5px;}
  .logo-text small{display:none;}
  .logo-mark{width:34px;height:34px;font-size:15px;}
  .metrics{grid-template-columns:1fr 1fr;gap:10px;}
  .metric{padding:13px 14px;}
  .metric b{font-size:1.15rem;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg-abyss:#050814;
  --bg-deep:#0A1330;
  --panel:rgba(16,26,54,0.72);
  --panel-solid:#0E1834;
  --border:rgba(56,189,248,0.18);
  --border-strong:rgba(56,189,248,0.42);
  --txt:#F8FAFC;
  --txt-soft:#CBD5E1;
  --txt-mute:#94A3B8;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --teal:#22D3EE;
  --gold:#F59E0B;
  --green:#34D399;
  --shadow-glow:0 0 24px rgba(37,99,235,0.35);
  --radius:16px;
  --radius-sm:10px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,0.20), transparent 60%),
    radial-gradient(900px 540px at 92% 4%, rgba(34,211,238,0.14), transparent 62%),
    linear-gradient(180deg,#050814 0%,#070C1E 42%,#050814 100%);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',Roboto,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border:1px solid var(--border-strong);
  color:var(--cyan);background:rgba(37,99,235,0.12);
}
.chip-gold{border-color:rgba(245,158,11,.4);color:#FCD34D;background:rgba(245,158,11,.1);}
.chip-green{border-color:rgba(52,211,153,.4);color:#6EE7B7;background:rgba(52,211,153,.1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:12px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:.25s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  color:#02101F;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(37,99,235,0.6);}
.btn-outline{background:transparent;border:1px solid var(--border-strong);color:var(--cyan);}
.btn-outline:hover{background:rgba(56,189,248,0.12);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.10);color:var(--txt-soft);}
.btn-ghost:hover{border-color:var(--border-strong);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px;}
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.section-head{margin-bottom:34px;}
.section-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin-bottom:10px;display:flex;align-items:center;gap:10px;
}
.section-eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,#2563EB,#22D3EE);border-radius:2px;}
.section-title{font-size:clamp(1.5rem,3vw,2.1rem);font-weight:700;line-height:1.3;}
.section-sub{color:var(--txt-mute);margin-top:12px;max-width:760px;font-size:15.5px;}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  transition:.28s ease;overflow:hidden;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 14px 40px rgba(2,10,30,0.6);}
.card-pad{padding:22px;}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent);}
.tagline-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.tagline-list li{display:flex;gap:12px;align-items:flex-start;color:var(--txt-soft);font-size:15px;}
.tagline-list i{color:var(--teal);margin-top:4px;}
header.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,20,0.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15.5px;letter-spacing:-0.01em;color:#fff;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  display:flex;align-items:center;justify-content:center;color:#02101F;font-size:17px;
  box-shadow:0 0 20px rgba(34,211,238,.45);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text small{font-size:10.5px;font-weight:500;color:var(--txt-mute);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--txt-soft);
  transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,0.10);}
.nav-links a.active{color:var(--cyan);background:rgba(37,99,235,0.16);box-shadow:inset 0 0 0 1px var(--border);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--border);color:#fff;font-size:17px;}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;padding:14px 20px 22px;
  border-top:1px solid var(--border);background:rgba(5,8,20,0.98);
}
.mobile-drawer a{padding:12px 14px;border-radius:10px;color:var(--txt-soft);font-size:15px;}
.mobile-drawer a.active{color:var(--cyan);background:rgba(37,99,235,0.16);}
.mobile-drawer.open{display:flex;}
.cat-hero{position:relative;overflow:hidden;padding:64px 0 56px;border-bottom:1px solid var(--border);}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28;}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,20,0.80),rgba(5,8,20,0.95));}
.cat-hero-content{position:relative;z-index:2;}
.cat-hero h1{font-size:clamp(1.75rem,4vw,2.85rem);font-weight:800;letter-spacing:-0.02em;line-height:1.22;max-width:900px;}
.cat-hero h1 span{background:linear-gradient(135deg,#60A5FA,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-hero-lead{color:var(--txt-soft);font-size:16px;margin-top:18px;max-width:720px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px;}
.metric-box{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:16px 18px;transition:.25s;
}
.metric-box:hover{border-color:var(--border-strong);transform:translateY(-3px);}
.metric-box b{display:block;font-size:24px;font-weight:800;color:var(--cyan);line-height:1.2;}
.metric-box span{font-size:12.5px;color:var(--txt-mute);letter-spacing:.02em;}
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.matrix-card{display:flex;flex-direction:column;height:100%;}
.matrix-card .matrix-ico{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(37,99,235,0.14);border:1px solid var(--border);color:var(--cyan);font-size:19px;margin-bottom:16px;
}
.matrix-card h3{font-size:17px;font-weight:700;margin:0 0 10px;}
.matrix-card p{color:var(--txt-soft);font-size:14.5px;margin:0;}
.scene-list{display:grid;gap:14px;}
.scene-item{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;border-radius:var(--radius-sm);
  background:var(--panel);border:1px solid var(--border);transition:.25s;
}
.scene-item:hover{border-color:var(--border-strong);transform:translateX(4px);}
.scene-item .num{
  flex:none;width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2563EB,#22D3EE);color:#02101F;font-weight:800;font-size:14px;
}
.scene-item h4{margin:0 0 6px;font-size:15.5px;font-weight:700;}
.scene-item p{margin:0;color:var(--txt-mute);font-size:14px;}
.timeline{position:relative;padding-left:30px;}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,#2563EB,#22D3EE);border-radius:2px;}
.tl-item{position:relative;padding-bottom:28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-27px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--bg-abyss);border:2px solid var(--cyan);}
.tl-item h4{margin:0 0 6px;font-size:16px;font-weight:700;}
.tl-item p{margin:0;color:var(--txt-mute);font-size:14.5px;}
.compare-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.compare-table th,.compare-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border);}
.compare-table th{color:var(--teal);font-weight:700;font-size:13px;text-transform:uppercase;letter-spacing:.05em;}
.compare-table td{color:var(--txt-soft);}
.compare-table tr:last-child td{border-bottom:none;}
.compare-wrap{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.pay-card{
  padding:20px;text-align:center;border-radius:var(--radius-sm);
  background:var(--panel);border:1px solid var(--border);transition:.25s;
}
.pay-card:hover{border-color:var(--border-strong);transform:translateY(-3px);}
.pay-card i{font-size:22px;color:var(--gold);margin-bottom:10px;display:block;}
.pay-card b{display:block;font-size:14.5px;font-weight:700;margin-bottom:5px;}
.pay-card span{font-size:12.5px;color:var(--txt-mute);}
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.article-card{display:flex;flex-direction:column;height:100%;}
.article-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.article-card:hover .article-thumb img{transform:scale(1.06);}
.article-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.article-body h3{font-size:16px;font-weight:700;margin:0;line-height:1.45;}
.article-body p{font-size:14px;color:var(--txt-mute);margin:0;}
.article-meta{display:flex;gap:14px;font-size:12.5px;color:var(--txt-mute);margin-top:auto;}
.article-meta i{color:var(--teal);margin-right:5px;}
.empty-note{color:var(--txt-mute);font-size:15px;padding:24px 0;}
.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 20px;font-size:15.5px;font-weight:600;color:var(--txt);text-align:left;transition:.2s;
}
.faq-q:hover{color:var(--cyan);}
.faq-q i{transition:.3s;color:var(--teal);flex:none;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 20px;}
.faq-item.open .faq-a{max-height:400px;padding-bottom:20px;}
.faq-a p{margin:0;color:var(--txt-soft);font-size:14.5px;}
.cta-band{
  background:linear-gradient(135deg,rgba(37,99,235,0.20),rgba(34,211,238,0.12));
  border:1px solid var(--border-strong);border-radius:var(--radius);
  padding:40px 34px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:clamp(1.3rem,2.6vw,1.85rem);margin:0 0 8px;font-weight:800;}
.cta-band p{margin:0;color:var(--txt-soft);font-size:15px;max-width:600px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.trust-item{display:flex;gap:14px;align-items:flex-start;padding:20px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);}
.trust-item i{font-size:20px;color:var(--green);margin-top:3px;flex:none;}
.trust-item b{display:block;font-size:15px;margin-bottom:5px;}
.trust-item span{font-size:13.5px;color:var(--txt-mute);}
.site-footer{border-top:1px solid var(--border);background:rgba(5,8,20,0.92);padding:56px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px;}
.footer-col h5{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--teal);margin:0 0 16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--txt-soft);transition:.2s;}
.footer-col ul a:hover{color:var(--cyan);}
.footer-about p{color:var(--txt-mute);font-size:14px;margin:16px 0 0;max-width:380px;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.pay-badge{
  padding:5px 12px;border-radius:8px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,0.05);border:1px solid var(--border);color:var(--txt-soft);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;border-top:1px solid var(--border);font-size:13px;color:var(--txt-mute);
}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#2563EB,#22D3EE);color:#02101F;font-size:20px;
  box-shadow:0 0 22px rgba(34,211,238,.5);
  transition:.25s;opacity:.85;
}
.fab:hover{opacity:1;transform:scale(1.1);}
.fab:active{transform:scale(.95);}
.fab .dot{position:absolute;top:6px;right:6px;width:12px;height:12px;border-radius:50%;background:#EF4444;border:2px solid #050814;}
@media (max-width:1024px){
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
  .article-list{grid-template-columns:repeat(2,1fr);}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .trust-grid{grid-template-columns:1fr;}
}
@media (max-width:900px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-actions .btn{display:none;}
}
@media (max-width:768px){
  .section{padding:54px 0;}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .pay-grid{grid-template-columns:repeat(2,1fr);}
  .article-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:30px 22px;}
}
@media (max-width:520px){
  .matrix-grid{grid-template-columns:1fr;}
  .metric-strip{grid-template-columns:1fr;}
  .pay-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cat-hero{padding:46px 0 40px;}
  .compare-table th,.compare-table td{padding:11px 12px;font-size:13px;}
  .fab{bottom:86px;width:50px;height:50px;}
}

/* roulang page: category3 */
:root{
  --bg-abyss:#050814;
  --bg-deep:#0A1330;
  --panel:rgba(16,26,54,0.72);
  --panel-solid:#0E1834;
  --border:rgba(56,189,248,0.18);
  --border-strong:rgba(56,189,248,0.42);
  --txt:#F8FAFC;
  --txt-soft:#CBD5E1;
  --txt-mute:#94A3B8;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --teal:#22D3EE;
  --gold:#F59E0B;
  --green:#34D399;
  --shadow-glow:0 0 24px rgba(37,99,235,0.35);
  --radius:16px;
  --radius-sm:10px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,0.20), transparent 60%),
    radial-gradient(900px 540px at 92% 4%, rgba(34,211,238,0.14), transparent 62%),
    linear-gradient(180deg,#050814 0%,#070C1E 42%,#050814 100%);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',Roboto,sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,h5{margin:0;line-height:1.28;font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(34,211,238,.35);color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.grid-overlay{
  background-image:linear-gradient(rgba(56,189,248,0.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,0.06) 1px,transparent 1px);
  background-size:56px 56px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  border:1px solid var(--border-strong);
  color:var(--cyan);background:rgba(37,99,235,0.12);
}
.chip-gold{border-color:rgba(245,158,11,.4);color:#FCD34D;background:rgba(245,158,11,.1);}
.chip-green{border-color:rgba(52,211,153,.4);color:#6EE7B7;background:rgba(52,211,153,.1);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:12px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:.25s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  color:#02101F;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(37,99,235,0.6);}
.btn-outline{
  background:transparent;border:1px solid var(--border-strong);color:var(--cyan);
}
.btn-outline:hover{background:rgba(56,189,248,0.12);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.10);color:var(--txt-soft);}
.btn-ghost:hover{border-color:var(--border-strong);color:#fff;}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px;}
.btn-block{width:100%;}
.section{padding:72px 0;}
.section-tight{padding:52px 0;}
.section-head{margin-bottom:34px;}
.section-eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin-bottom:10px;display:flex;align-items:center;gap:10px;
}
.section-eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,#2563EB,#22D3EE);border-radius:2px;flex:none;}
.section-title{font-size:clamp(1.5rem,3vw,2.1rem);}
.section-sub{color:var(--txt-mute);margin-top:12px;max-width:760px;font-size:15.5px;}
.card{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  transition:.28s ease;overflow:hidden;
}
.card:hover{border-color:var(--border-strong);transform:translateY(-4px);box-shadow:0 14px 40px rgba(2,10,30,0.6);}
.card-pad{padding:22px;}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(56,189,248,.3),transparent);}
.tagline-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.tagline-list li{display:flex;gap:12px;align-items:flex-start;color:var(--txt-soft);font-size:15px;}
.tagline-list i{color:var(--teal);margin-top:4px;flex:none;}
header.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,8,20,0.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:18px;}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15.5px;letter-spacing:-0.01em;color:#fff;}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#2563EB,#22D3EE);
  display:flex;align-items:center;justify-content:center;color:#02101F;font-size:17px;
  box-shadow:0 0 20px rgba(34,211,238,.45);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text small{font-size:10.5px;font-weight:500;color:var(--txt-mute);letter-spacing:.06em;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--txt-soft);
  transition:.2s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,0.10);}
.nav-links a.active{color:var(--cyan);background:rgba(37,99,235,0.16);box-shadow:inset 0 0 0 1px var(--border);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--border);color:#fff;font-size:17px;}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;padding:14px 20px 22px;
  border-top:1px solid var(--border);background:rgba(5,8,20,0.98);
}
.mobile-drawer a{padding:12px 14px;border-radius:10px;color:var(--txt-soft);font-size:15px;}
.mobile-drawer a.active{color:var(--cyan);background:rgba(37,99,235,0.16);}
.mobile-drawer.open{display:flex;}
.hero{
  position:relative;overflow:hidden;
  padding:68px 0 58px;
  border-bottom:1px solid var(--border);
}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,20,0.78),rgba(5,8,20,0.95));
}
.hero-content{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start;}
.hero h1{font-size:clamp(1.8rem,4.1vw,2.85rem);font-weight:800;letter-spacing:-0.02em;}
.hero h1 span{background:linear-gradient(135deg,#60A5FA,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{color:var(--txt-soft);font-size:16px;margin-top:18px;max-width:640px;}
.hero-question{
  font-size:17px;color:#FDE68A;font-weight:600;margin-top:20px;
  border-left:3px solid rgba(245,158,11,.7);padding-left:14px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.region-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:999px;
  background:rgba(37,99,235,0.12);border:1px solid var(--border);font-size:13px;color:var(--txt-soft);
  transition:.22s;
}
.region-pill:hover{border-color:var(--border-strong);color:#fff;transform:translateY(-2px);}
.region-pill i{color:var(--teal);}
.lead-panel{
  background:linear-gradient(180deg,rgba(16,26,54,.92),rgba(10,19,48,.78));
  border:1px solid var(--border-strong);
  border-radius:var(--radius);
  padding:26px;
  box-shadow:0 22px 60px rgba(2,10,30,.6);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.lead-panel h3{font-size:19px;margin-bottom:8px;}
.lead-panel p{color:var(--txt-mute);font-size:14px;margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.03em;color:var(--txt-soft);margin-bottom:7px;text-transform:uppercase;}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:11px;
  background:rgba(5,8,20,.72);
  border:1px solid var(--border);
  color:#fff;font-size:14.5px;outline:none;transition:.22s;
}
.field input::placeholder{color:#64748B;}
.field input:focus,.field select:focus{border-color:var(--border-strong);box-shadow:0 0 0 3px rgba(56,189,248,.14);}
.form-note{display:block;font-size:13px;color:var(--green);margin-top:12px;min-height:18px;}
.form-note.is-on{animation:fadeIn .4s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:none;}}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px;}
.stat-item{
  padding:18px;border-radius:var(--radius-sm);
  background:rgba(16,26,54,.6);border:1px solid var(--border);
  transition:.25s;
}
.stat-item:hover{border-color:var(--border-strong);transform:translateY(-3px);}
.stat-item strong{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-0.02em;}
.stat-item span{font-size:13px;color:var(--txt-mute);}
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.matrix-card{position:relative;padding:24px;}
.matrix-card .m-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(37,99,235,.16);border:1px solid var(--border-strong);color:var(--cyan);
  font-size:18px;margin-bottom:16px;
}
.matrix-card h3{font-size:17px;margin-bottom:10px;}
.matrix-card p{color:var(--txt-mute);font-size:14.5px;}
.compare-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--panel);
}
.compare-col{padding:28px;}
.compare-col + .compare-col{border-left:1px solid var(--border);}
.compare-col h3{font-size:17px;margin-bottom:6px;}
.compare-col > span{font-size:13px;color:var(--txt-mute);display:block;margin-bottom:20px;}
.compare-col.bad{background:linear-gradient(180deg,rgba(120,20,30,.16),transparent);}
.compare-col.good{background:linear-gradient(180deg,rgba(16,90,80,.18),transparent);}
.compare-list{display:grid;gap:14px;}
.compare-list li{display:flex;gap:12px;font-size:14.5px;color:var(--txt-soft);align-items:flex-start;}
.compare-list i{flex:none;margin-top:4px;}
.compare-col.bad i{color:#F87171;}
.compare-col.good i{color:var(--green);}
.timeline{display:grid;gap:0;border-left:1px solid var(--border);margin-left:12px;}
.step{position:relative;padding:0 0 30px 32px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-7px;top:6px;width:13px;height:13px;border-radius:50%;
  background:linear-gradient(135deg,#2563EB,#22D3EE);box-shadow:0 0 14px rgba(34,211,238,.7);
}
.step-num{font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);}
.step h3{font-size:17px;margin:6px 0 8px;}
.step p{color:var(--txt-mute);font-size:14.5px;max-width:720px;}
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split-media{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.split-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(5,8,20,.82);border:1px solid var(--border-strong);
  border-radius:999px;padding:7px 15px;font-size:12.5px;color:var(--cyan);
  backdrop-filter:blur(8px);
}
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px;}
.pay-tile{
  padding:20px;border-radius:var(--radius-sm);text-align:left;
  background:rgba(16,26,54,.62);border:1px solid var(--border);transition:.25s;
}
.pay-tile:hover{border-color:var(--border-strong);transform:translateY(-3px);box-shadow:0 0 24px rgba(37,99,235,.28);}
.pay-tile i{font-size:20px;color:var(--teal);margin-bottom:12px;display:block;}
.pay-tile strong{display:block;font-size:15.5px;margin-bottom:6px;}
.pay-tile span{font-size:13px;color:var(--txt-mute);}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.assure-item{padding:22px;border-radius:var(--radius);background:rgba(16,26,54,.62);border:1px solid var(--border);}
.assure-item i{font-size:18px;color:var(--cyan);margin-bottom:12px;display:block;}
.assure-item h4{font-size:15.5px;margin-bottom:8px;}
.assure-item p{font-size:13.5px;color:var(--txt-mute);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{display:flex;flex-direction:column;}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/10;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.45s ease;}
.news-card:hover .news-thumb img{transform:scale(1.06);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-cat{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);}
.news-body h3{font-size:16px;line-height:1.45;}
.news-body h3 a{transition:.2s;}
.news-body h3 a:hover{color:var(--cyan);}
.news-body p{font-size:13.8px;color:var(--txt-mute);flex:1;}
.news-date{font-size:12.5px;color:#64748B;}
.empty-note{color:var(--txt-mute);font-size:14.5px;padding:26px;border:1px dashed var(--border);border-radius:var(--radius);}
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:rgba(16,26,54,.55);transition:.25s;overflow:hidden;
}
.faq-item[open]{border-color:var(--border-strong);background:rgba(16,26,54,.78);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
  font-size:15.5px;font-weight:600;color:var(--txt);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--teal);font-size:13px;transition:.25s;flex:none;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item p{padding:0 20px 20px;color:var(--txt-mute);font-size:14.5px;}
.cta-panel{
  border:1px solid var(--border-strong);border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(10,19,48,.85) 55%,rgba(34,211,238,.14));
  padding:40px;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-panel h2{font-size:clamp(1.4rem,2.6vw,1.95rem);margin-bottom:14px;}
.cta-panel p{color:var(--txt-soft);font-size:15px;}
.cta-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.fab-support{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px 10px 12px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),
                   linear-gradient(120deg,#22D3EE,#2563EB 55%,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  color:#E2F5FF;font-size:13px;font-weight:600;letter-spacing:.02em;
  transition:.28s ease;opacity:.82;min-height:52px;
}
.fab-support:hover{opacity:1;transform:translateY(-2px);box-shadow:0 0 30px rgba(6,182,212,.7);}
.fab-support .fab-icon{
  width:32px;height:32px;border-radius:50%;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0E1834,#1E3A8A);color:#67E8F9;font-size:14px;
  animation:neonPulse 2.6s ease-in-out infinite;
}
@keyframes neonPulse{0%,100%{box-shadow:0 0 0 rgba(34,211,238,.0);}50%{box-shadow:0 0 14px rgba(34,211,238,.8);}}
.fab-support .fab-dot{
  position:absolute;top:6px;right:9px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px rgba(7,7,13,.9);
  animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}
.site-footer{
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,rgba(7,12,30,.7),rgba(5,8,20,.98));
  padding:56px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-col h5{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--txt-mute);transition:.2s;}
.footer-col ul a:hover{color:#fff;padding-left:3px;}
.footer-about .logo{margin-bottom:16px;}
.footer-about p{font-size:14px;color:var(--txt-mute);max-width:420px;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.pay-badge{
  padding:6px 13px;border-radius:8px;font-size:12px;font-weight:600;
  background:rgba(37,99,235,.14);border:1px solid var(--border);color:var(--txt-soft);
}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#64748B;
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .matrix-grid{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .pay-grid{grid-template-columns:repeat(2,1fr);}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .split-grid{grid-template-columns:1fr;gap:28px;}
  .cta-panel{grid-template-columns:1fr;padding:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .compare-wrap{grid-template-columns:1fr;}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--border);}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero{padding:48px 0 44px;}
  .matrix-grid,.news-grid,.pay-grid,.assure-grid,.stat-strip,.footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .cta-panel{padding:24px;}
  .footer-bottom{flex-direction:column;}
  .fab-support{bottom:5rem;}
}