/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1b3a;
  --panel:rgba(12,26,54,.72);
  --panel-solid:#0a1730;
  --glass:rgba(37,99,235,.10);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --cyan:#38bdf8;
  --cyan-soft:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 44px rgba(2,8,23,.6);
  --glow:0 0 0 1px rgba(56,189,248,.30), 0 0 26px rgba(37,99,235,.35);
  --font:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 82% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 8% 6%, rgba(56,189,248,.14), transparent 62%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 52%, #04091a 100%);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--cyan-soft);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.75rem,3.6vw,2.9rem)}
h2{font-size:clamp(1.4rem,2.5vw,2.05rem)}
h3{font-size:clamp(1.08rem,1.7vw,1.32rem)}
p{color:var(--muted-2)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

.container{width:min(1220px,92%);margin-inline:auto}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.5));border-top:1px solid rgba(96,165,250,.10);border-bottom:1px solid rgba(96,165,250,.10)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.10);
  border:1px solid rgba(56,189,248,.32);border-radius:999px;padding:7px 14px;
}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{margin:16px 0 12px}
.section-head p{font-size:.98rem}
.section-head--center{margin-inline:auto;text-align:center}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.78));
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#031024;font-weight:900;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.95rem;font-weight:800;color:var(--text);white-space:nowrap}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 14px;border-radius:10px;transition:all .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(37,99,235,.16)}
.nav-links a.active{color:#dff2ff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  background:transparent;border:1px solid rgba(96,165,250,.44);color:#d7ecff;
  padding:9px 16px;border-radius:10px;font-size:.86rem;font-weight:700;cursor:pointer;
  transition:all .2s ease;white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.10)}
.btn-solid{
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#02101f;border:0;padding:10px 18px;border-radius:10px;
  font-size:.86rem;font-weight:800;cursor:pointer;white-space:nowrap;
  box-shadow:0 0 20px rgba(37,99,235,.45);
  transition:transform .18s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 28px rgba(56,189,248,.6)}
.btn-solid:active{transform:translateY(1px) scale(.99)}
.nav-toggle{
  display:none;background:rgba(37,99,235,.18);border:1px solid var(--line);
  color:var(--text);width:42px;height:42px;border-radius:10px;cursor:pointer;font-size:1.05rem;
}

/* hero */
.hero{position:relative;overflow:hidden;padding:0}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(3,7,18,.95) 12%,rgba(3,7,18,.72) 52%,rgba(8,18,41,.55)),url('/assets/images/658baa5f479fa20f.jpg');
  background-size:cover;background-position:center;z-index:0;
}
.hero-inner{position:relative;z-index:1;padding:78px 0 64px}
.hero-copy{max-width:820px}
.hero h1{margin:20px 0 20px}
.hero h1 .hl{background:linear-gradient(120deg,var(--cyan),#a5d8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.03rem;max-width:720px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.btn-lg{padding:14px 26px;font-size:.96rem;border-radius:12px}
.countdown-bar{
  margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:16px 20px;backdrop-filter:blur(12px);box-shadow:var(--shadow);
}
.countdown-bar .cd-label{font-size:.82rem;font-weight:700;color:var(--cyan);text-transform:uppercase;letter-spacing:.1em}
.cd-clock{display:flex;gap:10px;margin-left:auto}
.cd-unit{
  min-width:62px;text-align:center;background:rgba(56,189,248,.10);
  border:1px solid rgba(56,189,248,.30);border-radius:10px;padding:8px 6px;
}
.cd-unit b{display:block;font-size:1.22rem;color:#e6f6ff;font-variant-numeric:tabular-nums}
.cd-unit span{font-size:.64rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.metric{
  background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(12,26,54,.6));
  border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  backdrop-filter:blur(10px);
}
.metric b{display:block;font-size:1.42rem;color:#e9f6ff;letter-spacing:-.02em}
.metric span{font-size:.8rem;color:var(--muted)}

/* glass card base */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.card h3{margin-bottom:10px;color:#eaf4ff}
.card p{font-size:.92rem}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#03101f;font-size:1.1rem;margin-bottom:16px;
}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;border:1px solid rgba(56,189,248,.38);
  color:var(--cyan);background:rgba(56,189,248,.10);
}
.tag--warn{color:#fcd34d;border-color:rgba(245,158,11,.45);background:rgba(245,158,11,.12)}
.tag--ok{color:#86efac;border-color:rgba(34,197,94,.45);background:rgba(34,197,94,.12)}
.tag--danger{color:#fca5a5;border-color:rgba(239,68,68,.45);background:rgba(239,68,68,.12)}

/* service matrix */
.matrix-row{
  display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start;
}
.matrix-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(96,165,250,.18);
}
.matrix-list li:last-child{border-bottom:0}
.matrix-list i{color:var(--cyan);font-size:1.05rem;margin-top:3px}
.matrix-list b{display:block;color:#eaf4ff;font-size:.98rem;margin-bottom:4px}
.matrix-list span{font-size:.88rem;color:var(--muted)}
.panel-stack{display:grid;gap:16px}
.panel-mini{
  background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;
}
.panel-mini .num{font-size:1.6rem;font-weight:900;color:var(--cyan);line-height:1}
.panel-mini p{font-size:.85rem;margin-top:8px}

/* feature / benefit cards */
.benefit-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-bottom:16px}
.benefit-img img{aspect-ratio:16/9;object-fit:cover;width:100%}

/* compare */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.compare .col{border-radius:var(--radius-lg);padding:24px;border:1px solid var(--line);background:var(--panel)}
.compare .col.bad{border-color:rgba(239,68,68,.34)}
.compare .col.good{border-color:rgba(34,197,94,.34)}
.compare h3{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare li{display:flex;gap:11px;font-size:.9rem;color:var(--muted-2);padding:9px 0}
.compare .bad li i{color:#f87171;margin-top:4px}
.compare .good li i{color:#4ade80;margin-top:4px}

/* timeline */
.timeline{position:relative;padding-left:26px}
.timeline:before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.15))}
.timeline-item{position:relative;padding:0 0 26px 20px}
.timeline-item:before{
  content:"";position:absolute;left:-25px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 14px rgba(56,189,248,.7);
}
.timeline-item b{color:#eaf4ff;font-size:1rem}
.timeline-item span{display:block;font-size:.88rem;color:var(--muted);margin-top:5px}

/* badge strip */
.badge-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.badge-item{
  display:flex;align-items:center;gap:13px;padding:16px 18px;border-radius:var(--radius);
  background:rgba(12,26,54,.6);border:1px solid var(--line);
}
.badge-item i{font-size:1.25rem;color:var(--cyan)}
.badge-item b{display:block;font-size:.88rem;color:#eaf4ff}
.badge-item span{font-size:.76rem;color:var(--muted)}

/* news / cms */
.news-layout{display:grid;grid-template-columns:1.4fr .75fr;gap:28px;align-items:start}
.news-list{display:grid;gap:14px}
.news-card{
  display:grid;grid-template-columns:150px 1fr;gap:18px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateX(4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-thumb{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line)}
.news-thumb img{width:100%;height:100%;min-height:96px;object-fit:cover}
.news-body h3{font-size:1rem;margin-bottom:7px;color:#eaf4ff}
.news-body h3 a{color:inherit}
.news-body h3 a:hover{color:var(--cyan)}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:.75rem;color:var(--muted);margin-top:9px}
.news-meta i{color:var(--cyan);margin-right:4px}
.news-side{background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px}
.news-side h3{font-size:1.05rem;margin-bottom:14px}
.news-side li{padding:10px 0;border-bottom:1px dashed rgba(96,165,250,.16)}
.news-side li:last-child{border-bottom:0}
.news-side li a{font-size:.88rem;color:var(--muted-2);font-weight:600}
.news-side li a:hover{color:var(--cyan)}
.news-side .side-date{display:block;font-size:.72rem;color:var(--muted);margin-top:4px}
.empty-note{color:var(--muted);font-size:.9rem;padding:18px;border:1px dashed var(--line);border-radius:var(--radius);text-align:center}

/* channel matrix entries */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.entry{
  display:flex;flex-direction:column;gap:10px;padding:24px;border-radius:var(--radius-lg);
  background:linear-gradient(155deg,rgba(37,99,235,.18),rgba(12,26,54,.66));
  border:1px solid var(--line);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.entry:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.entry i{font-size:1.4rem;color:var(--cyan)}
.entry b{color:#eaf4ff;font-size:1.02rem}
.entry p{font-size:.87rem}
.entry .entry-link{font-size:.83rem;font-weight:700;color:var(--cyan);margin-top:auto}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;color:#eaf4ff;
  display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:.97rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);transition:transform .25s ease}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;font-size:.9rem}

/* form CTA */
.cta-band{
  border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  background:linear-gradient(140deg,rgba(37,99,235,.26),rgba(3,7,18,.85));
  padding:38px;box-shadow:var(--shadow);
}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.cta-grid h2{margin-bottom:14px}
.form-grid{display:grid;gap:14px}
.field label{display:block;font-size:.8rem;font-weight:700;color:var(--muted-2);margin-bottom:7px;letter-spacing:.02em}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(3,9,22,.85);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.form-note{font-size:.76rem;color:var(--muted)}

/* floating fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:radial-gradient(circle at 32% 28%, #38bdf8, #1d4ed8 68%, #0b1b3a);
  color:#02101f;font-size:1.28rem;cursor:pointer;border:0;
  box-shadow:0 0 22px rgba(56,189,248,.5),0 10px 26px rgba(2,8,23,.6);
  animation:fabPulse 3.4s ease-in-out infinite;
  transition:transform .22s ease,filter .22s ease;
}
.fab:hover{transform:scale(1.1);filter:brightness(1.1)}
.fab:active{transform:scale(.94)}
.fab .dot{position:absolute;top:8px;right:9px;width:11px;height:11px;border-radius:50%;background:#ef4444;border:2px solid #030712}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.42),0 10px 26px rgba(2,8,23,.6)}50%{box-shadow:0 0 30px rgba(56,189,248,.72),0 10px 26px rgba(2,8,23,.6)}}

/* footer */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.96));
  padding:56px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:30px}
.footer-brand p{font-size:.87rem;margin-top:14px;max-width:340px}
.footer-col h4{font-size:.86rem;text-transform:uppercase;letter-spacing:.1em;color:#cfe6ff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col li a,.footer-col li span{font-size:.86rem;color:var(--muted)}
.footer-col li a:hover{color:var(--cyan)}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pay-badge{
  font-size:.72rem;font-weight:700;padding:6px 11px;border-radius:8px;
  background:rgba(37,99,235,.14);border:1px solid var(--line);color:#cbe4ff;
}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(96,165,250,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p,.footer-bottom span{font-size:.78rem;color:var(--muted)}
.age-badge{
  font-size:.72rem;font-weight:800;border:1px solid rgba(245,158,11,.5);color:#fcd34d;
  padding:4px 9px;border-radius:8px;background:rgba(245,158,11,.10);
}

/* responsive */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .hero-metrics{grid-template-columns:repeat(2,1fr)}
  .matrix-row{grid-template-columns:1fr}
  .news-layout{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .badge-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav-links{
    position:fixed;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px 5%;margin-left:0;
    transform:translateY(-140%);transition:transform .3s ease;z-index:75;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:13px 14px;font-size:.95rem}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-actions{margin-left:0}
  .compare{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
}
@media (max-width:520px){
  .section{padding:52px 0}
  .hero-inner{padding:52px 0 44px}
  .brand-text b{font-size:.82rem;white-space:normal}
  .brand-text span{display:none}
  .grid-3,.grid-4,.entry-grid,.badge-strip{grid-template-columns:1fr}
  .hero-metrics{grid-template-columns:1fr}
  .cd-clock{margin-left:0;width:100%}
  .cd-unit{flex:1;min-width:0}
  .news-card{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:26px}
  .btn-lg{width:100%;text-align:center}
  .hero-cta .btn-solid,.hero-cta .btn-ghost{width:100%;text-align:center}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1b3a;
  --panel:rgba(12,26,54,.72);
  --panel-solid:#0a1730;
  --glass:rgba(37,99,235,.10);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --cyan:#38bdf8;
  --cyan-soft:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 44px rgba(2,8,23,.6);
  --glow:0 0 0 1px rgba(56,189,248,.30), 0 0 26px rgba(37,99,235,.35);
  --font:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 82% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 8% 6%, rgba(56,189,248,.14), transparent 62%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 52%, #04091a 100%);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--cyan-soft);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.85rem,3.6vw,2.9rem)}
h2{font-size:clamp(1.4rem,2.4vw,2rem)}
h3{font-size:1.12rem}
p{margin:0 0 14px;color:var(--muted-2)}
.container{width:min(1220px,92%);margin-inline:auto}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.5));border-top:1px solid rgba(96,165,250,.10);border-bottom:1px solid rgba(96,165,250,.10)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.10);
  border:1px solid rgba(56,189,248,.32);border-radius:999px;padding:7px 14px;
}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{margin:16px 0 12px}
.section-head p{font-size:.98rem}
.section-head--center{margin-inline:auto;text-align:center}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.78));
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#031024;font-weight:900;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.95rem;font-weight:800;color:var(--text);white-space:nowrap}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 14px;border-radius:10px;transition:all .2s ease;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(37,99,235,.16)}
.nav-links a.active{color:#dff2ff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  background:transparent;border:1px solid rgba(96,165,250,.44);color:#d7ecff;
  padding:9px 16px;border-radius:10px;font-size:.86rem;font-weight:700;cursor:pointer;
  transition:all .2s ease;white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.10)}
.btn-solid{
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#02101f;border:0;padding:10px 18px;border-radius:10px;
  font-size:.86rem;font-weight:800;cursor:pointer;white-space:nowrap;
  box-shadow:0 0 20px rgba(37,99,235,.45);
  transition:transform .18s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 28px rgba(56,189,248,.6)}
.btn-solid:active{transform:translateY(1px) scale(.99)}
.btn-ghost:focus-visible,.btn-solid:focus-visible,.nav-toggle:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.nav-toggle{
  display:none;background:rgba(37,99,235,.18);border:1px solid var(--line);
  color:var(--text);width:42px;height:42px;border-radius:10px;cursor:pointer;font-size:1.05rem;
}
/* article hero */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.article-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(105deg,rgba(3,7,18,.96) 10%,rgba(3,7,18,.78) 55%,rgba(8,18,41,.6)),url('/assets/images/15709cb81843137c.jpg');
  background-size:cover;background-position:center;
}
.article-hero-inner{position:relative;z-index:1;padding:52px 0 46px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.82rem;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:var(--muted-2)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb i{font-size:.62rem;opacity:.6}
.article-title{max-width:900px;margin:14px 0 18px}
.article-lead{font-size:1.02rem;max-width:780px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;
  color:var(--muted-2);background:var(--glass);border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;
}
.meta-chip i{color:var(--cyan);font-size:.78rem}
/* layout */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:34px;align-items:start}
.article-body{min-width:0}
.prose{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px;backdrop-filter:blur(12px);box-shadow:var(--shadow);
}
.prose h2{margin:34px 0 14px;padding-top:18px;border-top:1px solid rgba(96,165,250,.14);color:#eaf4ff}
.prose h2:first-child{margin-top:0;padding-top:0;border-top:0}
.prose h3{margin:24px 0 10px;color:#dbeafe}
.prose p{color:var(--muted-2);margin:0 0 15px;text-align:left}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px;color:var(--muted-2)}
.prose li{margin-bottom:9px}
.prose strong{color:#eaf4ff}
.prose a{font-weight:600}
.prose blockquote{
  margin:22px 0;padding:18px 22px;border-left:3px solid var(--cyan);
  background:rgba(56,189,248,.07);border-radius:0 var(--radius) var(--radius) 0;color:var(--muted-2);
}
.prose img{border-radius:var(--radius);margin:20px 0;border:1px solid var(--line)}
.prose table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.9rem}
.prose th,.prose td{border:1px solid var(--line);padding:11px 13px;text-align:left;color:var(--muted-2)}
.prose th{background:rgba(37,99,235,.16);color:#eaf4ff;font-weight:700}
/* sidebar */
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;backdrop-filter:blur(12px);margin-bottom:22px;
}
.side-card h3{font-size:1rem;margin-bottom:14px;color:#eaf4ff;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--cyan);font-size:.88rem}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px dashed rgba(96,165,250,.14);font-size:.87rem;color:var(--muted-2)}
.side-list li:last-child{border-bottom:0}
.side-list li i{color:var(--ok);font-size:.78rem;margin-top:5px}
.side-cta{
  background:linear-gradient(150deg,rgba(37,99,235,.30),rgba(56,189,248,.14));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:24px;text-align:center;
  box-shadow:var(--glow);
}
.side-cta h3{color:#fff;margin-bottom:8px}
.side-cta p{font-size:.86rem;color:#dbeafe}
.side-cta .btn-solid{width:100%;justify-content:center;margin-top:6px}
/* cards */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.card h3{margin-bottom:10px;color:#eaf4ff}
.card p{font-size:.92rem;margin-bottom:0}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#03101f;font-size:1.1rem;margin-bottom:16px;
}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;border:1px solid rgba(56,189,248,.38);
  color:var(--cyan);background:rgba(56,189,248,.10);
}
.tag--warn{color:#fcd34d;border-color:rgba(245,158,11,.45);background:rgba(245,158,11,.12)}
.tag--ok{color:#86efac;border-color:rgba(34,197,94,.42);background:rgba(34,197,94,.12)}
/* metric band */
.metric-band{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;backdrop-filter:blur(10px);
}
.metric b{display:block;font-size:1.5rem;font-weight:900;color:#eaf4ff;letter-spacing:-.02em}
.metric span{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
/* steps */
.step{display:flex;gap:16px;align-items:flex-start}
.step-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(37,99,235,.22);border:1px solid var(--line-strong);color:var(--cyan);
  font-weight:900;font-size:.92rem;
}
.step h3{margin-bottom:6px}
.step p{font-size:.9rem;margin-bottom:0}
/* faq */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);margin-bottom:12px;overflow:hidden}
.faq-item summary{
  cursor:pointer;padding:17px 20px;font-weight:700;color:#eaf4ff;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:14px;font-size:.95rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);transition:transform .25s ease;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 20px 18px;font-size:.92rem;color:var(--muted-2)}
/* cta band */
.cta-band{
  background:linear-gradient(140deg,rgba(37,99,235,.34),rgba(56,189,248,.16));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:38px;display:grid;grid-template-columns:1.4fr 1fr;gap:30px;align-items:center;
  box-shadow:var(--glow);
}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:#dbeafe;margin-bottom:18px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-panel{background:rgba(3,7,18,.5);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.cta-panel ul{list-style:none;margin:0;padding:0}
.cta-panel li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;font-size:.88rem;color:var(--muted-2)}
.cta-panel li i{color:var(--cyan);margin-top:4px;font-size:.78rem}
/* category matrix */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{
  display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;transition:all .25s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);color:inherit}
.cat-card .cat-thumb{border-radius:var(--radius);overflow:hidden;margin-bottom:18px;border:1px solid var(--line)}
.cat-card .cat-thumb img{aspect-ratio:16/9;object-fit:cover;width:100%}
.cat-card h3{margin:12px 0 8px;color:#eaf4ff}
.cat-card p{font-size:.9rem;margin-bottom:14px}
.cat-more{font-size:.85rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;transition:all .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-card .news-thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.news-card .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-body h3{font-size:1rem}
.news-body h3 a{color:#eaf4ff}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{font-size:.88rem;margin-bottom:0;flex:1}
.news-time{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
/* empty state */
.empty-state{
  background:var(--panel);border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
  padding:52px 30px;text-align:center;
}
.empty-state i{font-size:2.2rem;color:var(--cyan);margin-bottom:16px}
.empty-state h2{margin-bottom:10px}
.empty-state p{max-width:520px;margin-inline:auto}
/* footer */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(3,7,18,.9),rgba(2,5,13,.98));padding:58px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:30px}
.footer-brand p{font-size:.88rem;margin:16px 0;color:var(--muted)}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px}
.pay-badge{
  font-size:.72rem;font-weight:700;letter-spacing:.05em;padding:5px 11px;border-radius:8px;
  background:rgba(37,99,235,.16);border:1px solid var(--line);color:var(--muted-2);
}
.footer-col h4{font-size:.86rem;text-transform:uppercase;letter-spacing:.1em;color:#dbeafe;margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:.87rem;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);margin-top:38px;padding-top:20px;
}
.footer-bottom p{font-size:.8rem;color:var(--muted);margin:0}
.age-badge{
  font-size:.74rem;font-weight:700;color:#fcd34d;border:1px solid rgba(245,158,11,.45);
  background:rgba(245,158,11,.1);border-radius:999px;padding:5px 12px;
}
/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  border:0;color:#03101f;font-size:1.25rem;
  box-shadow:0 0 22px rgba(56,189,248,.5);
  opacity:.85;animation:fabFloat 3.4s ease-in-out infinite;
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.75)}
.fab:active{transform:scale(.94) translateY(2px)}
.fab-badge{
  position:absolute;top:-2px;right:-2px;width:14px;height:14px;border-radius:50%;
  background:#dc2626;box-shadow:0 0 0 2px #030712;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
/* responsive */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .cat-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .metric-band{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px;gap:6px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px}
  .nav-toggle{display:grid;place-items:center}
}
@media (max-width:768px){
  .section{padding:54px 0}
  .prose{padding:24px}
  .article-hero-inner{padding:38px 0 34px}
  .brand-text b{font-size:.85rem;white-space:normal}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .cat-grid,.news-grid{grid-template-columns:1fr}
  .metric-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:26px}
}
@media (max-width:520px){
  .nav-wrap{flex-wrap:wrap;gap:12px;padding:10px 0}
  .nav-actions{margin-left:auto}
  .btn-ghost{display:none}
  .hero-metrics{grid-template-columns:1fr}
  .article-meta{flex-direction:column;align-items:flex-start}
  .fab{left:12px;bottom:84px;width:52px;height:52px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1b3a;
  --panel:rgba(12,26,54,.72);
  --panel-solid:#0a1730;
  --glass:rgba(37,99,235,.10);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --cyan:#38bdf8;
  --cyan-soft:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 44px rgba(2,8,23,.6);
  --glow:0 0 0 1px rgba(56,189,248,.30), 0 0 26px rgba(37,99,235,.35);
  --font:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 82% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 8% 6%, rgba(56,189,248,.14), transparent 62%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 52%, #04091a 100%);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--cyan-soft);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.24;color:#f4faff;font-weight:800}
h1{font-size:2.35rem;letter-spacing:-.01em}
h2{font-size:1.72rem}
h3{font-size:1.12rem}
p{color:var(--muted-2);line-height:1.68}
.container{width:min(1220px,92%);margin-inline:auto}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.5));border-top:1px solid rgba(96,165,250,.10);border-bottom:1px solid rgba(96,165,250,.10)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.10);
  border:1px solid rgba(56,189,248,.32);border-radius:999px;padding:7px 14px;
}
.section-head{max-width:780px;margin-bottom:34px}
.section-head h2{margin:16px 0 12px}
.section-head p{font-size:.98rem}
.section-head--center{margin-inline:auto;text-align:center}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.78));
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#031024;font-weight:900;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.95rem;font-weight:800;color:var(--text);white-space:nowrap}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 14px;border-radius:10px;transition:all .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(37,99,235,.16)}
.nav-links a.active{color:#dff2ff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  background:transparent;border:1px solid rgba(96,165,250,.44);color:#d7ecff;
  padding:9px 16px;border-radius:10px;font-size:.86rem;font-weight:700;cursor:pointer;
  transition:all .2s ease;white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.10)}
.btn-solid{
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#02101f;border:0;padding:10px 18px;border-radius:10px;
  font-size:.86rem;font-weight:800;cursor:pointer;white-space:nowrap;
  box-shadow:0 0 20px rgba(37,99,235,.45);
  transition:transform .18s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 28px rgba(56,189,248,.6)}
.btn-solid:active{transform:translateY(1px) scale(.99)}
.nav-toggle{
  display:none;background:rgba(37,99,235,.18);border:1px solid var(--line);
  color:var(--text);width:42px;height:42px;border-radius:10px;cursor:pointer;font-size:1.05rem;
}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.card h3{margin-bottom:10px;color:#eaf4ff}
.card p{font-size:.92rem}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#03101f;font-size:1.1rem;margin-bottom:16px;
}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;border:1px solid rgba(56,189,248,.38);
  color:var(--cyan);background:rgba(56,189,248,.10);
}
.tag--warn{color:#fcd34d;border-color:rgba(245,158,11,.45);background:rgba(245,158,11,.12)}
.tag--ok{color:#86efac;border-color:rgba(34,197,94,.42);background:rgba(34,197,94,.12)}
/* HERO */
.hero{position:relative;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(3,7,18,.95) 14%,rgba(3,7,18,.74) 54%,rgba(8,18,41,.58)),url('/assets/images/15709cb81843137c.jpg');
  background-size:cover;background-position:center;z-index:0;
}
.hero-inner{position:relative;z-index:1;padding:74px 0 62px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:38px;align-items:start}
.hero h1{margin:20px 0 18px}
.hero h1 .hl{background:linear-gradient(120deg,var(--cyan),#a5d8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.02rem;max-width:640px}
.hero-bullets{list-style:none;margin:24px 0 0;display:grid;gap:12px}
.hero-bullets li{display:flex;gap:11px;align-items:flex-start;font-size:.93rem;color:var(--muted-2)}
.hero-bullets i{color:var(--cyan);margin-top:5px;font-size:.85rem}
.lead-form{
  background:linear-gradient(160deg,rgba(12,26,54,.94),rgba(8,18,41,.9));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.lead-form h3{margin-bottom:6px;font-size:1.18rem}
.lead-form p{font-size:.88rem;margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.78rem;font-weight:700;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-bottom:6px}
.field input,.field select{
  width:100%;background:rgba(3,7,18,.7);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:12px 14px;font-size:.92rem;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.form-note{font-size:.76rem;color:var(--muted);margin-top:12px;line-height:1.55}
/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.metric{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;backdrop-filter:blur(10px);
}
.metric strong{display:block;font-size:1.55rem;color:#eaf4ff;font-weight:900}
.metric span{font-size:.8rem;color:var(--muted);display:block;margin-top:4px}
.metric i{color:var(--cyan);font-size:.9rem;margin-bottom:10px;display:block}
/* service matrix */
.svc-card{display:flex;flex-direction:column;gap:12px}
.svc-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto}
.result-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.result-item{
  background:linear-gradient(160deg,rgba(12,26,54,.86),rgba(8,18,41,.7));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
}
.result-item .val{font-size:1.5rem;font-weight:900;color:var(--cyan);margin-bottom:6px}
.result-item strong{display:block;font-size:.96rem;color:#eaf4ff;margin-bottom:6px}
.result-item p{font-size:.86rem}
/* timeline */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.15))}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:5px;width:14px;height:14px;border-radius:50%;
  background:#03101f;border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-item strong{display:block;color:#eaf4ff;font-size:1rem;margin-bottom:4px}
.tl-item span{font-size:.8rem;color:var(--cyan);font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.tl-item p{font-size:.9rem;margin-top:6px}
/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:1rem;line-height:1.4}
.news-body p{font-size:.86rem}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.78rem;color:var(--muted)}
.news-foot .cat{color:var(--cyan);font-weight:700}
/* trust */
.trust-strip{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px}
.trust-pill{
  display:inline-flex;align-items:center;gap:9px;font-size:.82rem;font-weight:700;
  color:var(--muted-2);background:rgba(12,26,54,.7);border:1px solid var(--line);
  border-radius:999px;padding:10px 18px;
}
.trust-pill i{color:var(--cyan)}
/* faq */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;transition:border-color .25s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item h3{font-size:1rem;margin-bottom:8px;color:#eaf4ff;display:flex;gap:10px;align-items:flex-start}
.faq-item h3 i{color:var(--cyan);margin-top:4px;font-size:.85rem}
.faq-item p{font-size:.9rem}
/* cta */
.cta-box{
  background:linear-gradient(140deg,rgba(37,99,235,.22),rgba(56,189,248,.12));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:44px;text-align:center;box-shadow:var(--shadow);
}
.cta-box h2{margin-bottom:14px}
.cta-box p{max-width:660px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.btn-lg{padding:14px 26px;font-size:.96rem;border-radius:12px}
/* article body blocks */
.split{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover}
.check-list{list-style:none;display:grid;gap:12px;margin-top:18px}
.check-list li{display:flex;gap:11px;font-size:.93rem;color:var(--muted-2);align-items:flex-start}
.check-list i{color:var(--ok);margin-top:5px;font-size:.85rem}
.scene-list{display:grid;gap:14px}
.scene-item{
  display:flex;gap:16px;align-items:flex-start;padding:18px 20px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
}
.scene-item i{color:var(--cyan);font-size:1.05rem;margin-top:4px}
.scene-item strong{display:block;color:#eaf4ff;margin-bottom:4px;font-size:.98rem}
.scene-item p{font-size:.88rem}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;border:0;
  background:linear-gradient(150deg,var(--primary),var(--cyan));
  color:#02101f;font-size:1.2rem;
  box-shadow:0 0 0 1px rgba(56,189,248,.5),0 0 24px rgba(37,99,235,.55);
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{transform:scale(1.1);filter:brightness(1.1)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 10px rgba(239,68,68,.9);border:2px solid #03101f;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* footer */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(2,5,14,.98));border-top:1px solid var(--line);padding:60px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand p{font-size:.88rem;margin:16px 0 18px;max-width:360px}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px}
.pay-badge{
  font-size:.74rem;font-weight:700;color:#cfe6ff;padding:6px 12px;border-radius:8px;
  border:1px solid var(--line);background:rgba(37,99,235,.12);
}
.footer-col h4{font-size:.9rem;color:#eaf4ff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:.86rem;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:.8rem;color:var(--muted)}
.age-badge{
  font-size:.76rem;font-weight:700;color:#fcd34d;border:1px solid rgba(245,158,11,.45);
  background:rgba(245,158,11,.12);padding:6px 14px;border-radius:999px;white-space:nowrap;
}
@media (max-width:1024px){
  h1{font-size:2rem}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-links{gap:2px}
  .nav-links a{padding:8px 10px;font-size:.85rem}
}
@media (max-width:860px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .result-row{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:24px}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px;gap:6px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions .btn-ghost{display:none}
}
@media (max-width:640px){
  h1{font-size:1.68rem}
  h2{font-size:1.36rem}
  .section{padding:54px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr;gap:12px}
  .metric{padding:16px}
  .metric strong{font-size:1.25rem}
  .footer-grid{grid-template-columns:1fr}
  .cta-box{padding:30px 20px}
  .hero-inner{padding:52px 0 48px}
  .brand-text b{font-size:.82rem;white-space:normal}
  .brand-text span{display:none}
  .fab{bottom:88px;width:52px;height:52px}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1b3a;
  --panel:rgba(12,26,54,.72);
  --panel-solid:#0a1730;
  --glass:rgba(37,99,235,.10);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --cyan:#38bdf8;
  --cyan-soft:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 44px rgba(2,8,23,.6);
  --glow:0 0 0 1px rgba(56,189,248,.30), 0 0 26px rgba(37,99,235,.35);
  --font:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 82% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 8% 6%, rgba(56,189,248,.14), transparent 62%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 52%, #04091a 100%);
  background-attachment:fixed;
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--cyan-soft);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--cyan)}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.72rem,3.4vw,2.62rem)}
h2{font-size:clamp(1.36rem,2.5vw,1.92rem)}
h3{font-size:1.08rem}
p{color:var(--muted-2)}
::selection{background:rgba(56,189,248,.35);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:min(1220px,92%);margin-inline:auto}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.5));border-top:1px solid rgba(96,165,250,.10);border-bottom:1px solid rgba(96,165,250,.10)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.10);
  border:1px solid rgba(56,189,248,.32);border-radius:999px;padding:7px 14px;
}
.section-head{max-width:780px;margin-bottom:34px}
.section-head h2{margin:16px 0 12px}
.section-head p{font-size:.98rem}
.section-head--center{margin-inline:auto;text-align:center}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.78));
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#031024;font-weight:900;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.95rem;font-weight:800;color:var(--text);white-space:nowrap}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 14px;border-radius:10px;transition:all .2s ease;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(37,99,235,.16)}
.nav-links a.active{color:#dff2ff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  background:transparent;border:1px solid rgba(96,165,250,.44);color:#d7ecff;
  padding:9px 16px;border-radius:10px;font-size:.86rem;font-weight:700;
  transition:all .2s ease;white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.10)}
.btn-solid{
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#02101f;border:0;padding:10px 18px;border-radius:10px;
  font-size:.86rem;font-weight:800;white-space:nowrap;
  box-shadow:0 0 20px rgba(37,99,235,.45);
  transition:transform .18s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 28px rgba(56,189,248,.6);color:#02101f}
.btn-solid:active{transform:translateY(1px) scale(.99)}
.nav-toggle{
  display:none;background:rgba(37,99,235,.18);border:1px solid var(--line);
  color:var(--text);width:42px;height:42px;border-radius:10px;font-size:1.05rem;
}
.nav-toggle:hover{background:rgba(37,99,235,.32)}

/* base card */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.card h3{margin-bottom:10px;color:#eaf4ff}
.card p{font-size:.92rem}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#03101f;font-size:1.1rem;margin-bottom:16px;
}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;border:1px solid rgba(56,189,248,.38);
  color:var(--cyan);background:rgba(56,189,248,.10);
}
.tag--warn{color:#fcd34d;border-color:rgba(245,158,11,.45);background:rgba(245,158,11,.12)}
.tag--ok{color:#86efac;border-color:rgba(34,197,94,.42);background:rgba(34,197,94,.12)}
.btn-outline{
  display:inline-flex;align-items:center;gap:9px;
  border:1px solid var(--line-strong);color:#dff2ff;background:rgba(37,99,235,.12);
  padding:11px 20px;border-radius:11px;font-weight:700;font-size:.9rem;
  transition:all .2s ease;
}
.btn-outline:hover{background:rgba(56,189,248,.20);color:#fff;border-color:var(--cyan)}
.btn-lg{padding:14px 26px;font-size:.96rem;border-radius:12px}

/* page hero */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(3,7,18,.95) 10%,rgba(3,7,18,.74) 55%,rgba(8,18,41,.58)),url('/assets/images/78626bea2af9258d.jpg');
  background-size:cover;background-position:center;z-index:0;
}
.page-hero-inner{position:relative;z-index:1;padding:66px 0 58px}
.page-hero h1{margin:20px 0 18px;max-width:900px}
.page-hero h1 .hl{background:linear-gradient(120deg,var(--cyan),#a5d8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.03rem;max-width:730px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--muted)}
.breadcrumb a{color:var(--muted-2)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb i{font-size:.6rem;opacity:.6}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:36px}
.metric{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;backdrop-filter:blur(10px);
}
.metric b{display:block;font-size:1.5rem;font-weight:900;color:#eaf4ff;letter-spacing:-.02em}
.metric b span{color:var(--cyan)}
.metric small{font-size:.78rem;color:var(--muted);letter-spacing:.03em}

/* checklist / feature list */
.feature-list{display:grid;gap:14px;margin-top:20px}
.feature-list li{
  display:flex;gap:13px;align-items:flex-start;
  padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(37,99,235,.08);border:1px solid rgba(96,165,250,.14);
  font-size:.92rem;color:var(--muted-2);
}
.feature-list li i{color:var(--cyan);margin-top:3px;flex-shrink:0}
.feature-list li strong{color:#eaf4ff;font-weight:700}

/* split media block */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:280px}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(3,7,18,.62))}
.split-copy h2{margin:16px 0 14px}
.split-copy p{margin-bottom:12px;font-size:.96rem}

/* stat rows */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:30px}
.stat-box{
  border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(37,99,235,.14),rgba(3,7,18,.4));
  padding:20px;
}
.stat-box b{font-size:1.35rem;font-weight:900;color:var(--cyan);display:block}
.stat-box span{font-size:.84rem;color:var(--muted-2)}

/* steps */
.steps{display:grid;gap:16px;counter-reset:step}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  background:var(--panel);transition:border-color .22s ease,box-shadow .22s ease;
}
.step:hover{border-color:var(--line-strong);box-shadow:var(--glow)}
.step-num{
  counter-increment:step;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-weight:900;font-size:1.1rem;color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--primary));
  box-shadow:0 0 20px rgba(56,189,248,.35);
}
.step-num::before{content:counter(step,decimal-leading-zero)}
.step h3{margin-bottom:7px}
.step p{font-size:.92rem}

/* payment badges */
.pay-badge{
  display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.04em;
  padding:6px 13px;border-radius:999px;color:#dff2ff;
  background:rgba(37,99,235,.18);border:1px solid rgba(96,165,250,.3);
}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{border-radius:var(--radius-lg);padding:26px;border:1px solid var(--line)}
.compare-col--safe{background:linear-gradient(160deg,rgba(34,197,94,.10),rgba(3,7,18,.4));border-color:rgba(34,197,94,.32)}
.compare-col--risk{background:linear-gradient(160deg,rgba(245,158,11,.10),rgba(3,7,18,.4));border-color:rgba(245,158,11,.32)}
.compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-col--safe h3 i{color:var(--ok)}
.compare-col--risk h3 i{color:var(--warn)}
.compare-col ul{display:grid;gap:11px}
.compare-col li{display:flex;gap:11px;font-size:.9rem;color:var(--muted-2);align-items:flex-start}
.compare-col li i{margin-top:4px;flex-shrink:0}
.compare-col--safe li i{color:var(--ok)}
.compare-col--risk li i{color:var(--warn)}

/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-thumb{aspect-ratio:16/10;overflow:hidden;position:relative;background:var(--bg-3)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:11px;flex:1}
.news-body h3{font-size:1.02rem;line-height:1.4}
.news-body h3 a{color:#eaf4ff}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{font-size:.87rem;color:var(--muted)}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:.76rem;color:var(--muted);margin-top:auto}
.news-meta .dot{opacity:.5}
.empty-note{color:var(--muted);font-size:.95rem;padding:22px;border:1px dashed var(--line);border-radius:var(--radius);text-align:center}

/* quick answers */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.qa-item{
  padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(12,26,54,.55);transition:border-color .22s ease;
}
.qa-item:hover{border-color:var(--line-strong)}
.qa-item h3{font-size:1rem;margin-bottom:9px;display:flex;gap:10px;align-items:flex-start}
.qa-item h3 i{color:var(--cyan);font-size:.9rem;margin-top:5px;flex-shrink:0}
.qa-item p{font-size:.9rem}

/* faq */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden;transition:border-color .2s ease}
.faq-item.open{border-color:var(--line-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;text-align:left;font-size:.98rem;font-weight:700;color:#eaf4ff;
}
.faq-q:hover{color:var(--cyan)}
.faq-q i{color:var(--cyan);transition:transform .25s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 20px;font-size:.92rem;color:var(--muted-2)}
.faq-item.open .faq-a{max-height:360px}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.30),rgba(56,189,248,.14)),url('/assets/images/15709cb81843137c.jpg') center/cover;
  padding:44px 38px;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.72),rgba(3,7,18,.86));z-index:0}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{max-width:680px;margin-bottom:14px}
.cta-band p{max-width:660px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* form */
.form-block{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}
.form-card{
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:var(--panel);padding:28px;backdrop-filter:blur(12px);
}
.form-field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.form-field label{font-size:.82rem;font-weight:700;color:var(--muted-2);letter-spacing:.02em}
.form-field input,.form-field select,.form-field textarea{
  background:rgba(3,7,18,.6);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:12px 14px;font-size:.92rem;color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field input::placeholder,.form-field textarea::placeholder{color:rgba(148,163,184,.7)}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-note{font-size:.78rem;color:var(--muted);margin-top:12px}
.form-side ul{display:grid;gap:12px;margin-top:18px}
.form-side li{display:flex;gap:11px;font-size:.92rem;color:var(--muted-2)}
.form-side li i{color:var(--cyan);margin-top:4px;flex-shrink:0}

/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  width:56px;height:56px;display:grid;place-items:center;
  border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#03101f;font-size:1.25rem;
  box-shadow:0 0 0 1px rgba(56,189,248,.4),0 0 24px rgba(37,99,235,.5);
  opacity:.85;transition:transform .22s ease,opacity .22s ease,box-shadow .22s ease;
  animation:fabFloat 3.6s ease-in-out infinite;
}
.fab:hover{transform:scale(1.1) rotate(8deg);opacity:1;box-shadow:0 0 0 1px rgba(56,189,248,.6),0 0 34px rgba(56,189,248,.7);color:#03101f}
.fab:active{transform:scale(.94) translateY(2px)}
.fab::after{
  content:"";position:absolute;top:-3px;right:-3px;
  width:13px;height:13px;border-radius:50%;background:#ef4444;
  box-shadow:0 0 0 2px rgba(3,7,18,.9);
  animation:pulseDot 1.8s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}

/* footer */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(3,7,18,.7),rgba(3,7,18,.96));padding:56px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand p{font-size:.88rem;color:var(--muted);margin:16px 0 18px;max-width:360px}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px}
.footer-col h4{font-size:.86rem;text-transform:uppercase;letter-spacing:.1em;color:#cfe6ff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:.87rem;color:var(--muted)}
.footer-col a{color:var(--muted-2)}
.footer-col a:hover{color:var(--cyan)}
.footer-col span{color:var(--muted)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:.82rem;color:var(--muted)}
.age-badge{
  font-size:.76rem;font-weight:700;letter-spacing:.06em;color:#fcd34d;
  padding:6px 14px;border-radius:999px;border:1px solid rgba(245,158,11,.42);background:rgba(245,158,11,.10);
}

/* responsive */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .form-block{grid-template-columns:1fr;gap:28px}
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;position:absolute;top:70px;left:0;right:0;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px 5%;gap:6px;margin-left:0;
  }
  .nav-links.open a{width:100%;padding:13px 14px}
  .nav-toggle{display:grid;place-items:center}
}
@media (max-width:820px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .brand-text span{display:none}
  .brand-text b{font-size:.86rem;white-space:normal;max-width:170px}
  .btn-ghost{display:none}
}
@media (max-width:560px){
  .section{padding:56px 0}
  .grid-3,.grid-4,.news-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .page-hero-inner{padding:48px 0 42px}
  .cta-band{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr}
  .foot

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1b3a;
  --panel:rgba(12,26,54,.72);
  --panel-solid:#0a1730;
  --glass:rgba(37,99,235,.10);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --cyan:#38bdf8;
  --cyan-soft:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --radius-lg:20px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 18px 44px rgba(2,8,23,.6);
  --glow:0 0 0 1px rgba(56,189,248,.30), 0 0 26px rgba(37,99,235,.35);
  --font:'Be Vietnam Pro','Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 82% -10%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 8% 6%, rgba(56,189,248,.14), transparent 62%),
    linear-gradient(180deg,var(--bg) 0%, var(--bg-2) 52%, #04091a 100%);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--cyan-soft);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:min(1220px,92%);margin-inline:auto}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.5));border-top:1px solid rgba(96,165,250,.10);border-bottom:1px solid rgba(96,165,250,.10)}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4.4vw,3rem)}
h2{font-size:clamp(1.5rem,3vw,2.1rem)}
h3{font-size:1.1rem}
p{color:var(--muted-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.10);
  border:1px solid rgba(56,189,248,.32);border-radius:999px;padding:7px 14px;
}
.section-head{max-width:780px;margin-bottom:34px}
.section-head h2{margin:16px 0 12px}
.section-head p{font-size:.98rem}
.section-head--center{margin-inline:auto;text-align:center}
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
/* header */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.78));
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#031024;font-weight:900;font-size:1rem;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.95rem;font-weight:800;color:var(--text);white-space:nowrap}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 14px;border-radius:10px;transition:all .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(37,99,235,.16)}
.nav-links a.active{color:#dff2ff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px rgba(56,189,248,.38)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  background:transparent;border:1px solid rgba(96,165,250,.44);color:#d7ecff;
  padding:9px 16px;border-radius:10px;font-size:.86rem;font-weight:700;cursor:pointer;
  transition:all .2s ease;white-space:nowrap;
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.10)}
.btn-solid{
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#02101f;border:0;padding:10px 18px;border-radius:10px;
  font-size:.86rem;font-weight:800;cursor:pointer;white-space:nowrap;
  box-shadow:0 0 20px rgba(37,99,235,.45);
  transition:transform .18s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 28px rgba(56,189,248,.6)}
.btn-solid:active{transform:translateY(1px) scale(.99)}
.nav-toggle{
  display:none;background:rgba(37,99,235,.18);border:1px solid var(--line);
  color:var(--text);width:42px;height:42px;border-radius:10px;cursor:pointer;font-size:1.05rem;
}
/* hero */
.hero{position:relative;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(3,7,18,.96) 14%,rgba(3,7,18,.74) 54%,rgba(8,18,41,.55)),url('/assets/images/78626bea2af9258d.jpg');
  background-size:cover;background-position:center;z-index:0;
}
.hero-inner{position:relative;z-index:1;padding:70px 0 58px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}
.hero h1{margin:18px 0 18px}
.hero h1 .hl{background:linear-gradient(120deg,var(--cyan),#a5d8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.02rem;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.btn-lg{padding:14px 26px;font-size:.96rem;border-radius:12px}
.check-list{list-style:none;display:grid;gap:12px;margin-top:26px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:.93rem;color:var(--muted-2)}
.check-list i{color:var(--cyan);margin-top:4px}
.hero-panel{
  background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:24px;backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.hero-panel h3{margin-bottom:16px;color:#eaf4ff}
.stat-row{display:flex;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px dashed rgba(96,165,250,.22)}
.stat-row:last-child{border-bottom:0}
.stat-row b{color:#dff2ff;font-size:.95rem}
.stat-row span{color:var(--muted);font-size:.85rem}
.pulse-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(34,197,94,.18);margin-right:8px;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
/* badges row */
.pay-badge{
  display:inline-flex;align-items:center;font-size:.74rem;font-weight:700;letter-spacing:.04em;
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);
  background:rgba(37,99,235,.12);color:#cfe6ff;margin:0 6px 6px 0;
}
/* card */
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.card h3{margin-bottom:10px;color:#eaf4ff}
.card p{font-size:.92rem}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.85));
  color:#03101f;font-size:1.1rem;margin-bottom:16px;
}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;border:1px solid rgba(56,189,248,.38);
  color:var(--cyan);background:rgba(56,189,248,.10);
}
.tag--warn{color:#fcd34d;border-color:rgba(245,158,11,.45);background:rgba(245,158,11,.12)}
.tag--ok{color:#86efac;border-color:rgba(34,197,94,.45);background:rgba(34,197,94,.12)}
/* matrix */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.matrix-item{
  background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;border-left:3px solid var(--cyan);
}
.matrix-item h3{margin-bottom:9px}
.matrix-item p{font-size:.9rem}
.matrix-item .metric{font-size:1.6rem;font-weight:900;color:#dff2ff;display:block;margin-bottom:6px}
/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{border-radius:var(--radius-lg);padding:26px;border:1px solid var(--line)}
.compare-col--good{background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(8,18,41,.6));border-color:rgba(56,189,248,.4)}
.compare-col--bad{background:linear-gradient(160deg,rgba(239,68,68,.10),rgba(8,18,41,.6));border-color:rgba(239,68,68,.32)}
.compare-col h3{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-col ul{list-style:none;display:grid;gap:12px}
.compare-col li{display:flex;gap:10px;font-size:.92rem;color:var(--muted-2)}
.compare-col li i{margin-top:4px}
.good i{color:var(--ok)}
.bad i{color:var(--danger)}
/* timeline */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.12))}
.tl-item{position:relative;margin-bottom:26px}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:4px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:3px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-item h3{margin-bottom:6px}
.tl-item p{font-size:.91rem}
/* list */
.info-list{list-style:none;display:grid;gap:14px}
.info-list li{
  display:flex;gap:13px;align-items:flex-start;
  background:rgba(12,26,54,.5);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;font-size:.92rem;color:var(--muted-2);
}
.info-list i{color:var(--cyan);margin-top:4px;flex-shrink:0}
/* stats band */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-block{
  background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(8,18,41,.5));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:left;
}
.stat-block b{display:block;font-size:1.75rem;font-weight:900;color:#dff2ff;line-height:1.15}
.stat-block span{font-size:.85rem;color:var(--muted)}
/* media block */
.media{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:center}
.media img{border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow)}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:1rem}
.news-card h3 a{color:#eaf4ff}
.news-card h3 a:hover{color:var(--cyan)}
.news-card p{font-size:.88rem;flex:1}
.news-meta{display:flex;gap:12px;font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.news-meta span{display:inline-flex;align-items:center;gap:6px}
.news-empty{padding:40px;border:1px dashed var(--line);border-radius:var(--radius);text-align:center;color:var(--muted)}
/* faq */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;color:#eaf4ff;
  display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:.97rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--cyan);font-size:.8rem;transition:transform .2s ease}
.faq-item[open] summary::after{content:"\f068"}
.faq-item .faq-body{padding:0 22px 20px;font-size:.92rem;color:var(--muted-2)}
/* cta */
.cta-panel{
  background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(8,18,41,.72));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:38px;display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;
  box-shadow:var(--glow);
}
.cta-panel h2{margin-bottom:12px}
.cta-panel p{font-size:.96rem}
.cta-form{display:grid;gap:12px}
.cta-form input,.cta-form select{
  width:100%;background:rgba(3,7,18,.72);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:12px 15px;color:var(--text);font-size:.9rem;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input:focus,.cta-form select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.cta-form .btn-solid{width:100%;padding:13px;font-size:.95rem}
.form-note{font-size:.76rem;color:var(--muted);text-align:center}
/* buttons base */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:12px;font-weight:800;cursor:pointer;transition:all .2s ease;border:0}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--cyan));color:#02101f;padding:14px 26px;font-size:.95rem;box-shadow:0 0 20px rgba(37,99,235,.45)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-outline{background:transparent;border:1px solid rgba(96,165,250,.44);color:#d7ecff;padding:13px 24px;font-size:.95rem}
.btn-outline:hover{border-color:var(--cyan);color:#fff;background:rgba(56,189,248,.10)}
/* footer */
.site-footer{margin-top:20px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(3,7,18,.96));padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:.88rem;color:var(--muted)}
.footer-pay{margin-top:16px}
.footer-col h4{font-size:.92rem;margin-bottom:16px;color:#eaf4ff}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col li a,.footer-col li span{font-size:.86rem;color:var(--muted)}
.footer-col li a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:.8rem;color:var(--muted)}
.age-badge{font-size:.74rem;font-weight:700;color:#fcd34d;border:1px solid rgba(245,158,11,.45);background:rgba(245,158,11,.12);border-radius:999px;padding:6px 13px}
/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:1.15rem;color:#eaf4ff;cursor:pointer;
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(135deg,var(--cyan),var(--primary));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);opacity:.8;
  transition:opacity .2s ease,transform .2s ease,box-shadow .25s ease;
  animation:fabPulse 2.6s infinite;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(56,189,248,.7)}
.fab:active{transform:scale(.95) translateY(1px)}
.fab .dot{position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:50%;background:#ef4444;box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:pulse 1.4s infinite}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.4)}50%{box-shadow:0 0 28px rgba(37,99,235,.6)}}
/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-panel{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .media{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav-links{
    display:none;position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;padding:16px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 14px}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions .btn-ghost{display:none}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .matrix,.compare{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .hero-inner{padding:52px 0 44px}
  .footer-grid{grid-template-columns:1fr}
  .cta-panel{padding:26px}
}
@media (max-width:520px){
  .grid-4,.stat-band{grid-template-columns:1fr}
  .brand-text b{font-size:.85rem}
  .brand-text span{display:none}
  .btn-lg{padding:12px 20px;font-size:.9rem}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .fab{left:12px;bottom:88px;width:52px;height:52px}
}