/* roulang page: index */
:root{
  --bg:#04070f;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --glass:rgba(12,24,48,.62);
  --glass-2:rgba(15,30,58,.78);
  --border:rgba(56,189,248,.18);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --blue-2:#38bdf8;
  --cyan:#22d3ee;
  --accent:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(2,10,28,.65);
  --glow:0 0 22px rgba(56,189,248,.45);
  --glow-soft:0 0 14px rgba(37,99,235,.35);
  --gap:28px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:radial-gradient(1200px 700px at 15% -5%,rgba(37,99,235,.22),transparent 60%),
             radial-gradient(900px 600px at 95% 8%,rgba(34,211,238,.14),transparent 55%),
             linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 45%,var(--bg) 100%);
  color:var(--text);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;letter-spacing:-.4px;line-height:1.25;}
h1{font-size:2.35rem;}
h2{font-size:1.72rem;}
h3{font-size:1.16rem;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 18px;}
.section{padding:64px 0;position:relative;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:30px;}
.section-head h2{margin:0;}
.section-head .lead{margin:6px 0 0;color:var(--muted);max-width:720px;text-align:left;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;text-transform:uppercase;letter-spacing:1.6px;font-weight:700;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);display:inline-block;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-strong),transparent);border:0;margin:0;}

/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,9,20,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.05rem;color:#04101f;
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.6px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 13px;border-radius:10px;transition:all .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(56,189,248,.1);}
.nav-links a.active{color:#04101f;background:linear-gradient(135deg,var(--blue-2),var(--cyan));box-shadow:var(--glow-soft);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn-login{
  color:var(--blue-2);border:1px solid var(--border-strong);
  background:transparent;font-weight:700;font-size:.86rem;
  padding:9px 16px;border-radius:11px;transition:all .2s ease;cursor:pointer;
}
.btn-login:hover{color:var(--text);background:rgba(56,189,248,.14);}
.btn-signup{
  color:#03101f;font-weight:800;font-size:.86rem;
  padding:10px 18px;border-radius:11px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--blue-2),var(--cyan));
  box-shadow:var(--glow);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.6);}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--border-strong);
  color:var(--text);width:42px;height:40px;border-radius:11px;font-size:1rem;cursor:pointer;
}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:.94rem;padding:13px 24px;border-radius:13px;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03101f;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 30px rgba(34,211,238,.65);color:#03101f;}
.btn-ghost{
  background:rgba(56,189,248,.08);color:var(--blue-2);border-color:var(--border-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.18);color:var(--text);}
.btn-block{width:100%;}

/* ===== BADGES / TAGS ===== */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.72rem;font-weight:700;letter-spacing:.5px;
  padding:5px 12px;border-radius:999px;
  background:rgba(37,99,235,.18);color:var(--accent);
  border:1px solid var(--border);
}
.badge.hot{background:rgba(244,63,94,.16);color:#fb7185;border-color:rgba(244,63,94,.4);}
.badge.ok{background:rgba(16,185,129,.15);color:#34d399;border-color:rgba(16,185,129,.35);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a{
  font-size:.83rem;font-weight:600;color:var(--muted-2);
  padding:8px 15px;border-radius:999px;
  background:rgba(15,30,58,.7);border:1px solid var(--border);
  transition:all .2s ease;
}
.tag-cloud a:hover{color:#03101f;background:linear-gradient(135deg,var(--blue-2),var(--cyan));border-color:transparent;}

/* ===== GLASS CARD ===== */
.glass{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass:hover{border-color:var(--border-strong);}
.card-pad{padding:24px;}
.grid{display:grid;gap:var(--gap);}
.g-2{grid-template-columns:repeat(2,1fr);}
.g-3{grid-template-columns:repeat(3,1fr);}
.g-4{grid-template-columns:repeat(4,1fr);}

/* ===== HERO ===== */
.hero{position:relative;padding:0;overflow:hidden;border-bottom:1px solid var(--border);}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/e5c1a63b153a936c.jpg') center/cover no-repeat;
  opacity:.35;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(4,7,15,.94) 0%,rgba(4,10,24,.82) 45%,rgba(8,18,41,.72) 100%);
}
.hero-inner{position:relative;z-index:2;padding:76px 0 68px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.hero h1{font-size:2.7rem;margin-bottom:.5em;}
.hero h1 .hl{
  background:linear-gradient(135deg,var(--blue-2),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.06rem;color:var(--muted-2);max-width:640px;text-align:left;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:8px;}
.hero-stat strong{display:block;font-size:1.55rem;font-weight:900;color:var(--blue-2);line-height:1.1;}
.hero-stat span{font-size:.8rem;color:var(--muted);}
.hero-panel{position:relative;}
.hero-panel .glass{padding:26px;}
.hero-panel h3{font-size:1.05rem;display:flex;align-items:center;gap:9px;}
.hero-panel h3 i{color:var(--cyan);}
.step-list li{
  display:flex;gap:13px;padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.16);
}
.step-list li:last-child{border-bottom:0;padding-bottom:0;}
.step-num{
  flex:0 0 30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04101f;font-weight:800;font-size:.85rem;
  display:flex;align-items:center;justify-content:center;
}
.step-list p{margin:0;font-size:.9rem;color:var(--muted-2);}
.step-list strong{color:var(--text);display:block;font-size:.93rem;margin-bottom:2px;}

/* ===== FEATURE GRID ===== */
.feature-card{padding:26px;position:relative;overflow:hidden;}
.feature-card .ico{
  width:50px;height:50px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.25rem;color:var(--cyan);
  background:rgba(56,189,248,.1);
  border:1px solid var(--border-strong);
  margin-bottom:16px;
}
.feature-card h3{font-size:1.05rem;margin-bottom:.45em;}
.feature-card p{font-size:.91rem;color:var(--muted);margin:0;}
.feature-card:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(2,10,28,.75);}

/* ===== NEWS / LIST ===== */
.list-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:30px;align-items:start;}
.post-item{
  display:grid;grid-template-columns:180px 1fr;gap:20px;
  padding:18px;margin-bottom:16px;text-align:left;
}
.post-item .thumb{border-radius:13px;overflow:hidden;border:1px solid var(--border);}
.post-item .thumb img{height:120px;width:100%;object-fit:cover;transition:transform .35s ease;}
.post-item:hover .thumb img{transform:scale(1.06);}
.post-item h3{font-size:1.02rem;margin-bottom:.35em;}
.post-item h3 a{color:var(--text);}
.post-item h3 a:hover{color:var(--cyan);}
.post-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.78rem;color:var(--muted);margin-bottom:8px;}
.post-meta i{color:var(--blue-2);margin-right:4px;}
.post-excerpt{font-size:.88rem;color:var(--muted);margin:0;}
.side-panel{padding:22px;}
.side-panel h3{font-size:1rem;display:flex;align-items:center;gap:9px;margin-bottom:16px;}
.side-panel h3 i{color:var(--cyan);}
.mini-item{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.14);}
.mini-item:last-child{border-bottom:0;}
.mini-item img{width:60px;height:52px;object-fit:cover;border-radius:9px;flex:0 0 60px;border:1px solid var(--border);}
.mini-item .mi-title{font-size:.85rem;color:var(--muted-2);font-weight:600;line-height:1.4;}
.mini-item:hover .mi-title{color:var(--cyan);}
.mini-item time{font-size:.72rem;color:var(--muted);}
.empty-note{color:var(--muted);font-size:.9rem;padding:20px;text-align:center;border:1px dashed var(--border);border-radius:var(--radius);}

/* ===== RANK / CHECK LIST ===== */
.rank-row{
  display:flex;align-items:center;gap:16px;padding:16px 20px;margin-bottom:12px;
}
.rank-no{
  flex:0 0 42px;height:42px;border-radius:12px;font-weight:900;font-size:1rem;
  display:flex;align-items:center;justify-content:center;
  background:rgba(56,189,248,.1);color:var(--cyan);border:1px solid var(--border-strong);
}
.rank-row.top .rank-no{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04101f;}
.rank-info{flex:1;}
.rank-info strong{display:block;font-size:.98rem;}
.rank-info span{font-size:.83rem;color:var(--muted);}
.rank-score{font-weight:800;color:var(--blue-2);font-size:.95rem;white-space:nowrap;}

.check-list li{display:flex;gap:12px;padding:9px 0;font-size:.92rem;color:var(--muted-2);}
.check-list i{color:#34d399;margin-top:5px;}

/* ===== DOWNLOAD ===== */
.dl-card{padding:26px;text-align:left;}
.dl-card .os{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.dl-card .os i{font-size:1.9rem;color:var(--blue-2);}
.dl-card h3{margin:0;font-size:1.1rem;}
.dl-card p{font-size:.88rem;color:var(--muted);}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;}

/* ===== QUOTE / REVIEW ===== */
.quote-card{padding:24px;position:relative;}
.quote-card .stars{color:#fbbf24;font-size:.85rem;margin-bottom:10px;letter-spacing:2px;}
.quote-card p{font-size:.92rem;color:var(--muted-2);}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:14px;}
.quote-user .av{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#04101f;font-size:.9rem;
}
.quote-user strong{display:block;font-size:.88rem;}
.quote-user span{font-size:.76rem;color:var(--muted);}

/* ===== METRIC BAR ===== */
.metric-band{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
}
.metric-band .m{
  background:var(--glass-2);padding:26px 20px;text-align:left;
}
.metric-band .m strong{display:block;font-size:1.9rem;font-weight:900;color:var(--cyan);line-height:1.1;}
.metric-band .m span{font-size:.83rem;color:var(--muted);}

/* ===== ACCORDION FAQ ===== */
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;background:var(--glass);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;color:var(--text);
  font-size:.98rem;font-weight:700;padding:18px 20px;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-q i{color:var(--cyan);transition:transform .25s ease;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 20px 18px;font-size:.9rem;color:var(--muted);margin:0;}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:52px 40px;text-align:center;
  background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(34,211,238,.16));
  border:1px solid var(--border-strong);
}
.cta-band h2{margin-bottom:.5em;}
.cta-band p{color:var(--muted-2);max-width:640px;margin:0 auto 24px;}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;}

/* ===== FOOTER ===== */
.site-footer{
  background:rgba(3,7,16,.9);border-top:1px solid var(--border);
  padding:56px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:.87rem;color:var(--muted);max-width:320px;}
.footer-col h4{font-size:.86rem;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted-2);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:.87rem;color:var(--muted);}
.footer-col ul a:hover{color:var(--cyan);}
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px;}
.pay-row span{
  font-size:.74rem;font-weight:700;color:var(--muted-2);
  padding:6px 12px;border-radius:8px;
  background:rgba(56,189,248,.07);border:1px solid var(--border);
}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:.8rem;color:var(--muted);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;font-weight:900;font-size:.8rem;
  border:2px solid #f43f5e;color:#fb7185;
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  width:58px;height:58px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:1.35rem;color:#04101f;cursor:pointer;
  background:linear-gradient(135deg,var(--blue-2),var(--cyan));
  border:2px solid rgba(103,232,249,.8);
  box-shadow:0 0 24px rgba(34,211,238,.55);
  transition:transform .25s ease,box-shadow .25s ease;
  opacity:.85;
}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 0 34px rgba(34,211,238,.85);}
.fab:active{transform:scale(.94);}
.fab .dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:#f43f5e;border:2px solid #04070f;
}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .g-4{grid-template-columns:repeat(2,1fr);}
  .g-3{grid-template-columns:repeat(2,1fr);}
  .list-layout{grid-template-columns:1fr;}
  .metric-band{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  h1{font-size:1.9rem;}
  .hero h1{font-size:2rem;}
  .section{padding:48px 0;}
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;gap:0;padding:10px 14px 16px;
    background:rgba(4,9,20,.98);border-bottom:1px solid var(--border);
  }
  .nav-links.open{display:flex;}
  .nav-links a{width:100%;padding:13px 14px;border-radius:10px;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .g-2,.g-3,.g-4{grid-template-columns:1fr;}
  .post-item{grid-template-columns:1fr;}
  .post-item .thumb img{height:170px;}
  .metric-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-inner{padding:52px 0 46px;}
  .cta-band{padding:38px 22px;}
  .btn-login{padding:8px 12px;font-size:.8rem;}
  .btn-signup{padding:9px 14px;font-size:.8rem;}
}
@media (max-width:520px){
  .container{padding:0 14px;}
  .brand-text strong{font-size:.82rem;}
  .brand-text span{display:none;}
  .hero-stats{gap:18px;}
  .hero-stat strong{font-size:1.3rem;}
  .hero-cta .btn{width:100%;}
  .dl-btns .btn{width:100%;}
}

/* roulang page: article */
:root{
  --bg:#04070f;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --glass:rgba(12,24,48,.62);
  --glass-2:rgba(15,30,58,.78);
  --border:rgba(56,189,248,.18);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --blue-2:#38bdf8;
  --cyan:#22d3ee;
  --accent:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(2,10,28,.65);
  --glow:0 0 22px rgba(56,189,248,.45);
  --glow-soft:0 0 14px rgba(37,99,235,.35);
  --gap:28px;
}
html,body{margin:0;padding:0;}
body{
  background:radial-gradient(1200px 700px at 15% -5%,rgba(37,99,235,.22),transparent 60%),
             radial-gradient(900px 600px at 95% 8%,rgba(34,211,238,.14),transparent 55%),
             linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 45%,var(--bg) 100%);
  color:var(--text);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 18px;}
.section{padding:64px 0;position:relative;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:30px;}
.section-head h2{margin:0;}
.section-head .lead{margin:6px 0 0;color:var(--muted);max-width:720px;text-align:left;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;text-transform:uppercase;letter-spacing:1.6px;font-weight:700;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);display:inline-block;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-strong),transparent);border:0;margin:0;}
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,9,20,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.05rem;color:#04101f;
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.6px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 13px;border-radius:10px;transition:all .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(56,189,248,.1);}
.nav-links a.active{color:#04101f;background:linear-gradient(135deg,var(--blue-2),var(--cyan));box-shadow:var(--glow-soft);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn-login{
  color:var(--blue-2);border:1px solid var(--border-strong);
  background:transparent;font-weight:700;font-size:.86rem;
  padding:9px 16px;border-radius:11px;transition:all .2s ease;cursor:pointer;
}
.btn-login:hover{color:var(--text);background:rgba(56,189,248,.14);}
.btn-signup{
  color:#03101f;font-weight:800;font-size:.86rem;
  padding:10px 18px;border-radius:11px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--blue-2),var(--cyan));
  box-shadow:var(--glow);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.6);}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--border-strong);
  color:var(--text);width:42px;height:40px;border-radius:11px;font-size:1rem;cursor:pointer;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:.94rem;padding:13px 24px;border-radius:13px;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03101f;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 30px rgba(34,211,238,.65);color:#03101f;}
.btn-ghost{
  background:rgba(56,189,248,.08);color:var(--blue-2);border-color:var(--border-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.18);color:var(--text);}
.btn-block{width:100%;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.72rem;font-weight:700;letter-spacing:.5px;
  padding:5px 12px;border-radius:999px;
  background:rgba(37,99,235,.18);color:var(--accent);
  border:1px solid var(--border);
}
.badge.hot{background:rgba(244,63,94,.16);color:#fb7185;border-color:rgba(244,63,94,.4);}
.badge.ok{background:rgba(16,185,129,.15);color:#34d399;border-color:rgba(16,185,129,.35);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a{
  font-size:.83rem;font-weight:600;color:var(--muted-2);
  padding:8px 15px;border-radius:999px;
  background:rgba(15,30,58,.7);border:1px solid var(--border);
  transition:all .2s ease;
}
.tag-cloud a:hover{color:#03101f;background:linear-gradient(135deg,var(--blue-2),var(--cyan));border-color:transparent;}
.glass{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card-pad{padding:24px;}
.grid{display:grid;gap:var(--gap);}
/* ===== ARTICLE HERO ===== */
.article-hero{
  position:relative;overflow:hidden;
  padding:52px 0 44px;
  border-bottom:1px solid var(--border);
}
.article-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/729f0fbc9eee9be0.jpg') center/cover no-repeat;
  opacity:.28;
}
.article-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(4,7,15,.95) 0%,rgba(4,10,24,.86) 50%,rgba(8,18,41,.74) 100%);
}
.article-hero-inner{position:relative;z-index:2;max-width:900px;}
.article-hero h1{
  font-size:clamp(1.7rem,3.4vw,2.6rem);
  line-height:1.25;
  font-weight:800;
  margin:16px 0 14px;
  letter-spacing:-.4px;
}
.article-hero .subtitle{
  color:var(--muted-2);
  font-size:1.02rem;
  max-width:760px;
  margin:0 0 22px;
  text-align:left;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:.82rem;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted);display:inline-block;}
.article-cover{
  margin-top:32px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.article-cover img{width:100%;height:auto;object-fit:cover;}
/* ===== ARTICLE LAYOUT ===== */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:36px;
  align-items:start;
  padding:56px 0;
}
.article-body{
  min-width:0;
}
.article-body .content-block{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:30px 32px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
}
.article-body .content-block h2{
  font-size:1.4rem;
  font-weight:800;
  margin:6px 0 16px;
  color:var(--text);
  letter-spacing:-.2px;
}
.article-body .content-block h3{
  font-size:1.12rem;
  font-weight:700;
  margin:24px 0 10px;
  color:var(--blue-2);
}
.article-body .content-block p{
  color:var(--muted-2);
  margin:0 0 16px;
  line-height:1.7;
  text-align:left;
}
.article-body .content-block ul,
.article-body .content-block ol{
  color:var(--muted-2);
  margin:0 0 18px;
  padding-left:22px;
  line-height:1.7;
}
.article-body .content-block li{margin-bottom:9px;}
.article-body .content-block strong{color:var(--text);font-weight:700;}
.article-body .content-block img{
  border-radius:var(--radius-sm);
  margin:18px 0;
  border:1px solid var(--border);
}
.article-body .content-block a{color:var(--blue-2);text-decoration:underline;}
.article-body .content-block a:hover{color:var(--cyan);}
.article-body .content-block table{width:100%;border-collapse:collapse;margin:18px 0;}
.article-body .content-block th,
.article-body .content-block td{
  border:1px solid var(--border);
  padding:10px 14px;
  text-align:left;
  color:var(--muted-2);
  font-size:.92rem;
}
.article-body .content-block th{background:rgba(37,99,235,.14);color:var(--text);font-weight:700;}
.notfound-box{
  background:var(--glass);
  border:1px solid var(--border-strong);
  border-radius:var(--radius);
  padding:44px 32px;
  text-align:center;
  box-shadow:var(--shadow);
}
.notfound-box i{font-size:2.4rem;color:var(--blue-2);margin-bottom:14px;}
.notfound-box h2{margin:0 0 12px;font-size:1.5rem;}
.notfound-box p{color:var(--muted);margin:0 0 22px;}
/* ===== SIDEBAR ===== */
.article-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px;}
.side-card{
  background:var(--glass-2);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}
.side-card h3{
  font-size:.78rem;text-transform:uppercase;letter-spacing:1.4px;
  color:var(--cyan);margin:0 0 16px;font-weight:800;
}
.side-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.side-links li a{
  display:flex;align-items:center;gap:10px;
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:10px 12px;border-radius:10px;transition:all .2s ease;
}
.side-links li a i{color:var(--blue-2);font-size:.82rem;width:16px;text-align:center;}
.side-links li a:hover{background:rgba(56,189,248,.12);color:var(--text);}
.side-info{display:flex;flex-direction:column;gap:12px;}
.side-info-row{display:flex;justify-content:space-between;gap:10px;font-size:.86rem;color:var(--muted);}
.side-info-row strong{color:var(--text);font-weight:700;}
.side-cta{
  text-align:center;
  background:linear-gradient(150deg,rgba(37,99,235,.28),rgba(34,211,238,.12));
  border:1px solid var(--border-strong);
  border-radius:var(--radius);
  padding:26px 22px;
  box-shadow:var(--shadow);
}
.side-cta i{font-size:1.7rem;color:var(--cyan);margin-bottom:12px;}
.side-cta h3{font-size:1.08rem;color:var(--text);margin:0 0 10px;text-transform:none;letter-spacing:0;}
.side-cta p{color:var(--muted-2);font-size:.88rem;margin:0 0 18px;}
/* ===== HIGHLIGHT STRIP ===== */
.hl-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin:0 0 34px;
}
.hl-item{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:18px 18px;
  transition:transform .22s ease,border-color .22s ease;
}
.hl-item:hover{transform:translateY(-4px);border-color:var(--border-strong);}
.hl-item i{font-size:1.4rem;color:var(--cyan);margin-bottom:10px;}
.hl-item strong{display:block;color:var(--text);font-size:1rem;font-weight:800;margin-bottom:5px;}
.hl-item span{color:var(--muted);font-size:.84rem;line-height:1.5;}
/* ===== STEP LIST ===== */
.step-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:18px;}
.step-list li{display:flex;gap:16px;align-items:flex-start;}
.step-num{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#03101f;font-weight:900;font-size:1.05rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--glow-soft);
}
.step-list li div strong{display:block;color:var(--text);font-weight:700;margin-bottom:4px;}
.step-list li div p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.6;}
/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  overflow:hidden;
  transition:border-color .22s ease;
}
.faq-item:hover{border-color:var(--border-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 20px;
  font-weight:700;color:var(--text);font-size:.98rem;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--cyan);transition:transform .25s ease;font-size:.85rem;}
.faq-item[open] summary i{transform:rotate(180deg);}
.faq-item .faq-answer{padding:0 20px 20px;color:var(--muted);font-size:.92rem;line-height:1.68;}
/* ===== CTA BAND ===== */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:linear-gradient(140deg,rgba(37,99,235,.3),rgba(8,18,41,.85));
  padding:44px 38px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  box-shadow:var(--shadow),var(--glow-soft);
}
.cta-band h2{font-size:1.55rem;font-weight:800;margin:0 0 10px;}
.cta-band p{color:var(--muted-2);margin:0;max-width:560px;text-align:left;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* ===== RELATED ===== */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rel-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--glow-soft);}
.rel-card .rel-thumb{height:158px;overflow:hidden;}
.rel-card .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.06);}
.rel-card .rel-body{padding:18px 20px;display:flex;flex-direction:column;gap:9px;flex:1;}
.rel-card .rel-body h3{font-size:1.02rem;font-weight:700;margin:0;color:var(--text);line-height:1.4;}
.rel-card .rel-body p{margin:0;color:var(--muted);font-size:.88rem;line-height:1.55;}
/* ===== FOOTER ===== */
.site-footer{
  background:linear-gradient(180deg,rgba(4,7,15,.6),rgba(2,6,14,.96));
  border-top:1px solid var(--border);
  padding:56px 0 26px;
  margin-top:40px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:.88rem;line-height:1.65;margin:0 0 16px;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;}
.pay-row span{
  font-size:.74rem;font-weight:700;color:var(--muted-2);
  padding:6px 12px;border-radius:8px;
  background:rgba(15,30,58,.75);border:1px solid var(--border);
}
.footer-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:1.3px;color:var(--cyan);margin:0 0 16px;font-weight:800;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
.footer-col ul li a{color:var(--muted);font-size:.88rem;transition:color .2s ease;}
.footer-col ul li a:hover{color:var(--cyan);}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  font-size:.8rem;font-weight:900;color:#03101f;
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(140deg,var(--blue-2),var(--cyan));
  box-shadow:var(--glow-soft);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:38px;padding-top:22px;
  border-top:1px solid var(--border);
  color:var(--muted);font-size:.82rem;
}
/* ===== 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(140deg,var(--blue),var(--cyan));
  color:#03101f;font-size:1.25rem;
  box-shadow:0 0 22px rgba(34,211,238,.55);
  opacity:.85;transition:all .25s ease;
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);color:#03101f;}
.fab:active{transform:scale(.94);}
.fab .dot{
  position:absolute;top:2px;right:2px;
  width:13px;height:13px;border-radius:50%;
  background:#f43f5e;border:2px solid #04101f;
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}
/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:30px;}
  .article-side{position:static;}
  .hl-strip{grid-template-columns:repeat(2,1fr);}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:768px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(4,9,20,.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--border);padding:12px 18px 18px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .btn-login{padding:8px 12px;font-size:.8rem;}
  .btn-signup{padding:9px 14px;font-size:.8rem;}
  .section{padding:48px 0;}
  .article-hero{padding:38px 0 32px;}
  .article-body .content-block{padding:22px 20px;}
  .hl-strip{grid-template-columns:1fr 1fr;gap:14px;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .fab{left:14px;bottom:88px;width:52px;height:52px;font-size:1.15rem;}
}
@media (max-width:520px){
  .article-hero h1{font-size:1.5rem;}
  .hl-strip{grid-template-columns:1fr;}
  .brand-text strong{font-size:.86rem;}
  .brand-text span{font-size:.62rem;}
  .article-meta{font-size:.76rem;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#04070f;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --glass:rgba(12,24,48,.62);
  --glass-2:rgba(15,30,58,.78);
  --border:rgba(56,189,248,.18);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --blue-2:#38bdf8;
  --cyan:#22d3ee;
  --accent:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(2,10,28,.65);
  --glow:0 0 22px rgba(56,189,248,.45);
  --glow-soft:0 0 14px rgba(37,99,235,.35);
  --gap:28px;
}
html,body{margin:0;padding:0;}
body{
  background:radial-gradient(1200px 700px at 15% -5%,rgba(37,99,235,.22),transparent 60%),
             radial-gradient(900px 600px at 95% 8%,rgba(34,211,238,.14),transparent 55%),
             linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 45%,var(--bg) 100%);
  color:var(--text);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 18px;}
.section{padding:64px 0;position:relative;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:30px;}
.section-head h2{margin:0;}
.section-head .lead{margin:6px 0 0;color:var(--muted);max-width:720px;text-align:left;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;text-transform:uppercase;letter-spacing:1.6px;font-weight:700;
  color:var(--cyan);
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);display:inline-block;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-strong),transparent);border:0;margin:0;}
/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,9,20,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.05rem;color:#04101f;
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.6px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 13px;border-radius:10px;transition:all .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(56,189,248,.1);}
.nav-links a.active{color:#04101f;background:linear-gradient(135deg,var(--blue-2),var(--cyan));box-shadow:var(--glow-soft);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn-login{
  color:var(--blue-2);border:1px solid var(--border-strong);
  background:transparent;font-weight:700;font-size:.86rem;
  padding:9px 16px;border-radius:11px;transition:all .2s ease;cursor:pointer;
}
.btn-login:hover{color:var(--text);background:rgba(56,189,248,.14);}
.btn-signup{
  color:#03101f;font-weight:800;font-size:.86rem;
  padding:10px 18px;border-radius:11px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--blue-2),var(--cyan));
  box-shadow:var(--glow);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.6);}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--border-strong);
  color:var(--text);width:42px;height:40px;border-radius:11px;font-size:1rem;cursor:pointer;
}
/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:.94rem;padding:13px 24px;border-radius:13px;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03101f;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 30px rgba(34,211,238,.65);color:#03101f;}
.btn-ghost{
  background:rgba(56,189,248,.08);color:var(--blue-2);border-color:var(--border-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.18);color:var(--text);}
.btn-block{width:100%;}
/* ===== BADGES / TAGS ===== */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.72rem;font-weight:700;letter-spacing:.5px;
  padding:5px 12px;border-radius:999px;
  background:rgba(37,99,235,.18);color:var(--accent);
  border:1px solid var(--border);
}
.badge.hot{background:rgba(244,63,94,.16);color:#fb7185;border-color:rgba(244,63,94,.4);}
.badge.ok{background:rgba(16,185,129,.15);color:#34d399;border-color:rgba(16,185,129,.35);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a{
  font-size:.83rem;font-weight:600;color:var(--muted-2);
  padding:8px 15px;border-radius:999px;
  background:rgba(15,30,58,.7);border:1px solid var(--border);
  transition:all .2s ease;
}
.tag-cloud a:hover{color:#03101f;background:linear-gradient(135deg,var(--blue-2),var(--cyan));border-color:transparent;}
/* ===== GLASS CARD ===== */
.glass{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card-pad{padding:24px;}
.grid{display:grid;gap:var(--gap);}
/* ===== CATEGORY HERO ===== */
.cat-hero{position:relative;padding:56px 0 48px;overflow:hidden;border-bottom:1px solid var(--border);}
.cat-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/729f0fbc9eee9be0.jpg') center/cover no-repeat;
  opacity:.28;
}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(4,7,15,.95) 0%,rgba(4,10,24,.85) 50%,rgba(8,18,41,.78) 100%);
}
.cat-hero-inner{position:relative;z-index:2;}
.breadcrumb{font-size:.8rem;color:var(--muted);margin-bottom:16px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:var(--muted-2);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb span.sep{opacity:.5;}
.cat-hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:40px;align-items:center;}
.cat-hero h1{font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.22;margin:14px 0 16px;font-weight:900;}
.cat-hero h1 .hl{
  background:linear-gradient(120deg,var(--blue-2),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero p.sub{color:var(--muted-2);font-size:1.02rem;max-width:600px;margin:0 0 24px;}
.cat-hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-panel{padding:26px;}
.hero-panel h3{margin:0 0 16px;font-size:1rem;font-weight:800;letter-spacing:.4px;text-transform:uppercase;color:var(--muted-2);}
.status-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
.status-list li{display:flex;align-items:flex-start;gap:12px;}
.status-dot{
  width:11px;height:11px;border-radius:50%;flex:0 0 11px;margin-top:6px;
  background:#34d399;box-shadow:0 0 10px rgba(52,211,153,.7);
}
.status-dot.warn{background:#fbbf24;box-shadow:0 0 10px rgba(251,191,36,.7);}
.status-list strong{display:block;font-size:.94rem;}
.status-list small{color:var(--muted);font-size:.8rem;}
/* ===== METRIC STRIP ===== */
.metric-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{
  padding:22px;text-align:left;
}
.metric .num{font-size:1.85rem;font-weight:900;line-height:1.1;
  background:linear-gradient(120deg,var(--blue-2),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;}
.metric .lbl{color:var(--muted);font-size:.82rem;margin-top:6px;display:block;}
/* ===== FEATURE CARDS ===== */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feat-card{padding:26px;display:flex;flex-direction:column;gap:14px;}
.feat-icon{
  width:52px;height:52px;border-radius:15px;flex:0 0 52px;
  display:flex;align-items:center;justify-content:center;font-size:1.25rem;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(34,211,238,.25));
  border:1px solid var(--border-strong);color:var(--cyan);
}
.feat-card h3{margin:0;font-size:1.05rem;font-weight:800;}
.feat-card p{margin:0;color:var(--muted-2);font-size:.92rem;}
.feat-card:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:var(--glow-soft),var(--shadow);}
/* ===== SCENARIO SPLIT ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);}
.split-media img{width:100%;height:100%;object-fit:cover;}
.scene-list{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:16px;}
.scene-list li{display:flex;gap:14px;align-items:flex-start;}
.scene-list i{color:var(--cyan);margin-top:5px;}
.scene-list strong{display:block;font-size:.98rem;}
.scene-list span{color:var(--muted);font-size:.88rem;}
/* ===== STEP FLOW ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step;}
.step{padding:24px;position:relative;}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:2rem;font-weight:900;line-height:1;
  background:linear-gradient(120deg,var(--blue-2),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:12px;
}
.step h4{margin:0 0 8px;font-size:1rem;font-weight:800;}
.step p{margin:0;color:var(--muted-2);font-size:.9rem;}
/* ===== DEVICE CARDS ===== */
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.device-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.device-card img{width:100%;height:180px;object-fit:cover;}
.device-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.device-body h3{margin:0;font-size:1.05rem;font-weight:800;}
.device-body p{margin:0;color:var(--muted-2);font-size:.9rem;flex:1;}
.device-card:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:var(--glow-soft),var(--shadow);}
/* ===== SAFETY BLOCK ===== */
.safety-block{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
  background:var(--glass-2);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:36px;box-shadow:var(--shadow);}
.safety-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px;}
.safety-list li{display:flex;gap:14px;align-items:flex-start;}
.safety-list i{color:#34d399;margin-top:5px;}
.safety-list strong{display:block;font-size:.98rem;}
.safety-list span{color:var(--muted);font-size:.88rem;}
/* ===== FAQ ===== */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{padding:22px 24px;}
.faq-item h3{margin:0 0 10px;font-size:1rem;font-weight:800;display:flex;gap:10px;align-items:flex-start;}
.faq-item h3 i{color:var(--cyan);margin-top:3px;}
.faq-item p{margin:0;color:var(--muted-2);font-size:.93rem;}
/* ===== NEWS LIST ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.news-card img{width:100%;height:170px;object-fit:cover;}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.75rem;color:var(--muted);}
.news-meta .cat{color:var(--cyan);font-weight:700;text-transform:uppercase;letter-spacing:.5px;}
.news-body h3{margin:0;font-size:1rem;font-weight:800;line-height:1.4;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--cyan);}
.news-body p{margin:0;color:var(--muted-2);font-size:.88rem;flex:1;}
.news-card:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:var(--glow-soft),var(--shadow);}
.empty-note{color:var(--muted);font-size:.9rem;padding:16px 0;}
/* ===== CTA BAND ===== */
.cta-band{
  background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(34,211,238,.16)),
             var(--glass-2);
  border:1px solid var(--border-strong);border-radius:var(--radius-lg);
  padding:44px;display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{margin:0 0 12px;font-size:1.6rem;font-weight:900;line-height:1.25;}
.cta-band p{margin:0;color:var(--muted-2);font-size:.96rem;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
/* ===== FOOTER ===== */
.site-footer{
  background:linear-gradient(180deg,rgba(4,9,20,.6),rgba(3,6,14,.98));
  border-top:1px solid var(--border);padding:56px 0 24px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:.88rem;margin:0 0 16px;max-width:340px;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;}
.pay-row span{
  font-size:.72rem;font-weight:700;color:var(--muted-2);
  padding:5px 11px;border-radius:8px;
  background:rgba(15,30,58,.8);border:1px solid var(--border);
}
.footer-col h4{font-size:.85rem;text-transform:uppercase;letter-spacing:1px;color:var(--text);margin:0 0 16px;font-weight:800;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{color:var(--muted);font-size:.88rem;}
.footer-col ul a:hover{color:var(--cyan);}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;font-weight:900;font-size:.8rem;
  border:2px solid var(--border-strong);color:var(--muted-2);
}
.footer-bottom{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  color:var(--muted);font-size:.82rem;
}
/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:#03101f;
  background:linear-gradient(135deg,var(--blue-2),var(--cyan));
  border:2px solid rgba(34,211,238,.6);
  box-shadow:0 0 22px rgba(6,182,212,.5);
  opacity:.78;transition:all .25s ease;
  animation:fabPulse 3s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(34,211,238,.8);color:#03101f;}
.fab:active{transform:scale(.94);}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.42);}50%{box-shadow:0 0 30px rgba(6,182,212,.72);}}
/* ===== RESPONSIVE ===== */
@media screen and (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:28px;}
  .feat-grid{grid-template-columns:repeat(2,1fr);}
  .metric-strip{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .device-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;}
  .safety-block{grid-template-columns:1fr;}
}
@media screen and (max-width:768px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(4,9,20,.98);border-bottom:1px solid var(--border);
    padding:14px 18px 18px;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .btn-login,.btn-signup{padding:8px 12px;font-size:.8rem;}
  .split{grid-template-columns:1fr;gap:28px;}
  .section{padding:48px 0;}
  .cta-band{padding:30px;}
  .cat-hero{padding:40px 0 34px;}
}
@media screen and (max-width:520px){
  .feat-grid,.metric-strip,.steps,.device-grid,.news-grid,.footer-grid{grid-template-columns:1fr;}
  .cat-hero-cta .btn{width:100%;}
  .nav-actions{gap:6px;}
  .btn-login{display:none;}
  .brand-text span{display:none;}
  .fab{left:12px;bottom:84px;width:52px;height:52px;}
}

/* roulang page: category3 */
:root{
  --bg:#04070f;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --glass:rgba(12,24,48,.62);
  --glass-2:rgba(15,30,58,.78);
  --border:rgba(56,189,248,.18);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --blue-2:#38bdf8;
  --cyan:#22d3ee;
  --accent:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(2,10,28,.65);
  --glow:0 0 22px rgba(56,189,248,.45);
  --glow-soft:0 0 14px rgba(37,99,235,.35);
  --gap:28px;
}
html,body{margin:0;padding:0;}
*{box-sizing:border-box;}
body{
  background:radial-gradient(1200px 700px at 15% -5%,rgba(37,99,235,.22),transparent 60%),
             radial-gradient(900px 600px at 95% 8%,rgba(34,211,238,.14),transparent 55%),
             linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 45%,var(--bg) 100%);
  color:var(--text);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
button{font-family:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 18px;}
.section{padding:64px 0;position:relative;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:30px;}
.section-head h2{margin:0;}
.section-head .lead{margin:6px 0 0;color:var(--muted);max-width:720px;text-align:left;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.22;font-weight:800;letter-spacing:-.2px;}
h1{font-size:2.5rem;}
h2{font-size:1.85rem;}
h3{font-size:1.15rem;}
p{margin:0 0 14px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;text-transform:uppercase;letter-spacing:1.6px;font-weight:700;
  color:var(--cyan);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);display:inline-block;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-strong),transparent);border:0;margin:0;}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,9,20,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.05rem;color:#04101f;
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.6px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 13px;border-radius:10px;transition:all .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(56,189,248,.1);}
.nav-links a.active{color:#04101f;background:linear-gradient(135deg,var(--blue-2),var(--cyan));box-shadow:var(--glow-soft);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn-login{
  color:var(--blue-2);border:1px solid var(--border-strong);
  background:transparent;font-weight:700;font-size:.86rem;
  padding:9px 16px;border-radius:11px;transition:all .2s ease;cursor:pointer;
}
.btn-login:hover{color:var(--text);background:rgba(56,189,248,.14);}
.btn-signup{
  color:#03101f;font-weight:800;font-size:.86rem;
  padding:10px 18px;border-radius:11px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--blue-2),var(--cyan));
  box-shadow:var(--glow);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.6);}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--border-strong);
  color:var(--text);width:42px;height:40px;border-radius:11px;font-size:1rem;cursor:pointer;
}
/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:.94rem;padding:13px 24px;border-radius:13px;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03101f;box-shadow:var(--glow);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 30px rgba(34,211,238,.65);color:#03101f;}
.btn-ghost{background:rgba(56,189,248,.08);color:var(--blue-2);border-color:var(--border-strong);}
.btn-ghost:hover{background:rgba(56,189,248,.18);color:var(--text);}
.btn-block{width:100%;}
/* BADGES */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.72rem;font-weight:700;letter-spacing:.5px;
  padding:5px 12px;border-radius:999px;
  background:rgba(37,99,235,.18);color:var(--accent);
  border:1px solid var(--border);
}
.badge.hot{background:rgba(244,63,94,.16);color:#fb7185;border-color:rgba(244,63,94,.4);}
.badge.ok{background:rgba(16,185,129,.15);color:#34d399;border-color:rgba(16,185,129,.35);}
/* GLASS CARD */
.glass{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.glass:hover{border-color:var(--border-strong);box-shadow:0 22px 60px rgba(2,10,28,.8);}
.card-pad{padding:24px;}
.grid{display:grid;gap:var(--gap);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
/* CATEGORY HERO */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border);padding:56px 0 52px;}
.cat-hero-bg{position:absolute;inset:0;background:url('/assets/images/729f0fbc9eee9be0.jpg') center/cover no-repeat;opacity:.28;}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(4,7,15,.95) 0%,rgba(4,10,24,.86) 48%,rgba(8,18,41,.72) 100%);}
.cat-hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.cat-hero h1{margin-bottom:16px;}
.cat-hero .lead{color:var(--muted-2);font-size:1.02rem;max-width:560px;text-align:left;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-kpi{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px;}
.kpi{padding:16px 18px;border-radius:var(--radius-sm);background:var(--glass-2);border:1px solid var(--border);}
.kpi b{display:block;font-size:1.4rem;font-weight:900;color:var(--cyan);line-height:1.2;}
.kpi span{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;}
.hero-visual{position:relative;}
.hero-visual img{border-radius:var(--radius-lg);border:1px solid var(--border-strong);box-shadow:var(--shadow);}
.hero-visual .float-chip{
  position:absolute;left:-14px;bottom:26px;
  background:var(--glass-2);border:1px solid var(--border-strong);
  border-radius:14px;padding:12px 16px;backdrop-filter:blur(14px);
  box-shadow:var(--shadow);display:flex;align-items:center;gap:11px;
}
.hero-visual .float-chip i{color:var(--cyan);font-size:1.2rem;}
.hero-visual .float-chip b{font-size:.95rem;display:block;}
.hero-visual .float-chip small{color:var(--muted);font-size:.72rem;}
/* FEATURE CARD */
.feature{padding:24px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--border);transition:all .25s ease;height:100%;}
.feature:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--glow-soft);}
.feature .ico{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:1.15rem;color:#03101f;margin-bottom:16px;
  background:linear-gradient(135deg,var(--blue-2),var(--cyan));box-shadow:var(--glow-soft);
}
.feature h3{font-size:1.08rem;margin-bottom:8px;}
.feature p{color:var(--muted-2);font-size:.92rem;margin:0;}
/* STEP LIST */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);counter-reset:step;}
.step{position:relative;padding:24px 22px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--border);counter-increment:step;}
.step::before{
  content:counter(step,decimal-leading-zero);
  font-size:1.9rem;font-weight:900;color:transparent;
  -webkit-text-stroke:1px var(--border-strong);
  display:block;margin-bottom:10px;line-height:1;
}
.step h3{font-size:1.02rem;}
.step p{color:var(--muted-2);font-size:.9rem;margin:0;}
/* CHANNEL ROW */
.pay-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;}
.pay-row span{
  font-size:.8rem;font-weight:700;color:var(--muted-2);
  padding:8px 14px;border-radius:10px;background:rgba(15,30,58,.75);
  border:1px solid var(--border);
}
/* SCENARIO */
.scenario{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
.scenario.reverse{grid-template-columns:.9fr 1.1fr;}
.scenario-img{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);}
.scenario-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.scenario-list li{display:flex;gap:12px;align-items:flex-start;font-size:.94rem;color:var(--muted-2);text-align:left;}
.scenario-list li i{color:var(--cyan);margin-top:4px;}
/* TABLE */
.cmp-table{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--glass);border-radius:var(--radius);overflow:hidden;}
.cmp-table th,.cmp-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border);}
.cmp-table th{background:rgba(37,99,235,.16);color:var(--text);font-weight:800;font-size:.84rem;text-transform:uppercase;letter-spacing:.6px;}
.cmp-table td{color:var(--muted-2);}
.cmp-table tr:last-child td{border-bottom:0;}
.cmp-table td b{color:var(--cyan);}
/* FAQ */
.faq-item{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--glass);margin-bottom:12px;overflow:hidden;}
.faq-item summary{
  cursor:pointer;padding:16px 20px;font-weight:700;font-size:.98rem;color:var(--text);
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.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{transform:rotate(45deg);}
.faq-item p{padding:0 20px 18px;margin:0;color:var(--muted-2);font-size:.92rem;text-align:left;}
/* CTA */
.cta-band{
  border-radius:var(--radius-lg);padding:44px;
  background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(34,211,238,.16));
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.2fr .8fr;gap:30px;align-items:center;
}
.cta-band h2{margin-bottom:10px;}
.cta-band p{color:var(--muted-2);margin:0;}
/* CONTENT LIST */
.post-card{padding:0;border-radius:var(--radius);overflow:hidden;background:var(--glass);border:1px solid var(--border);transition:all .25s ease;height:100%;display:flex;flex-direction:column;}
.post-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--glow-soft);}
.post-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--border);}
.post-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.post-card .meta{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.8px;}
.post-card h3{font-size:1rem;margin:0;}
.post-card h3 a{color:var(--text);}
.post-card h3 a:hover{color:var(--cyan);}
.post-card p{font-size:.88rem;color:var(--muted-2);margin:0;}
.view-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--blue-2);}
.view-more:hover{color:var(--cyan);gap:12px;}
/* FOOTER */
.site-footer{background:rgba(3,7,16,.92);border-top:1px solid var(--border);padding:54px 0 22px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{color:var(--muted);font-size:.9rem;margin:14px 0 0;max-width:340px;}
.footer-col h4{font-size:.82rem;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);margin-bottom:14px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-col ul a{color:var(--muted-2);font-size:.9rem;}
.footer-col ul a:hover{color:var(--cyan);}
.age-badge{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--border-strong);color:var(--cyan);font-weight:900;font-size:.9rem;}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  color:var(--muted);font-size:.8rem;
}
/* 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:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.82),rgba(7,7,13,.82)),linear-gradient(135deg,var(--cyan),var(--blue-2));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:1.25rem;box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.8;transition:all .25s ease;animation:fabPulse 3s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(6,182,212,.7);}
.fab:active{transform:scale(.95);}
.fab .dot{position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;background:#f43f5e;box-shadow:0 0 0 2px #fff;animation:dotPulse 1.6s infinite;}
@keyframes fabPulse{0%,100%{box-shadow:0 0 20px rgba(6,182,212,.45);}50%{box-shadow:0 0 30px rgba(6,182,212,.7);}}
@keyframes dotPulse{0%,100%{opacity:1;}50%{opacity:.45;}}
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:30px;}
  h1{font-size:2.1rem;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .scenario,.scenario.reverse{grid-template-columns:1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(4,9,20,.98);border-bottom:1px solid var(--border);
    padding:12px 18px 18px;display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  h1{font-size:1.8rem;}
  h2{font-size:1.5rem;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .hero-kpi{grid-template-columns:1fr;}
  .cat-hero{padding:38px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .cmp-table{font-size:.84rem;}
  .cmp-table th,.cmp-table td{padding:11px 10px;}
}
@media (max-width:520px){
  .container{padding:0 14px;}
  .btn{width:100%;}
  .hero-cta{flex-direction:column;}
  .brand-text strong{font-size:.86rem;}
  .brand-text span{font-size:.62rem;}
  .btn-login,.btn-signup{padding:8px 12px;font-size:.78rem;}
  .steps{grid-template-columns:1fr;}
  .hero-visual .float-chip{left:8px;bottom:12px;padding:10px 12px;}
}

/* roulang page: category2 */
:root{
  --bg:#04070f;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --glass:rgba(12,24,48,.62);
  --glass-2:rgba(15,30,58,.78);
  --border:rgba(56,189,248,.18);
  --border-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --blue-2:#38bdf8;
  --cyan:#22d3ee;
  --accent:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#cbd5e1;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 50px rgba(2,10,28,.65);
  --glow:0 0 22px rgba(56,189,248,.45);
  --glow-soft:0 0 14px rgba(37,99,235,.35);
  --gap:28px;
}
html,body{margin:0;padding:0;}
*,*::before,*::after{box-sizing:border-box;}
body{
  background:radial-gradient(1200px 700px at 15% -5%,rgba(37,99,235,.22),transparent 60%),
             radial-gradient(900px 600px at 95% 8%,rgba(34,211,238,.14),transparent 55%),
             linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 45%,var(--bg) 100%);
  color:var(--text);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--blue-2);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--cyan);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}
ul{margin:0;padding:0;list-style:none;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.25;font-weight:800;color:var(--text);}
h1{font-size:2.15rem;letter-spacing:-.4px;}
h2{font-size:1.6rem;}
h3{font-size:1.12rem;}
h4{font-size:.98rem;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 18px;}
.section{padding:64px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.55),rgba(4,7,15,0));border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:30px;}
.section-head h2{margin:0;}
.section-head .lead{margin:6px 0 0;color:var(--muted);max-width:720px;text-align:left;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;text-transform:uppercase;letter-spacing:1.6px;font-weight:700;
  color:var(--cyan);margin-bottom:10px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent);display:inline-block;}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border-strong),transparent);border:0;margin:0;}
/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(4,9,20,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.05rem;color:#04101f;
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:.98rem;font-weight:800;}
.brand-text span{font-size:.68rem;color:var(--muted);letter-spacing:.6px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  color:var(--muted-2);font-size:.9rem;font-weight:600;
  padding:9px 13px;border-radius:10px;transition:all .2s ease;
}
.nav-links a:hover{color:var(--text);background:rgba(56,189,248,.1);}
.nav-links a.active{color:#04101f;background:linear-gradient(135deg,var(--blue-2),var(--cyan));box-shadow:var(--glow-soft);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn-login{
  color:var(--blue-2);border:1px solid var(--border-strong);
  background:transparent;font-weight:700;font-size:.86rem;
  padding:9px 16px;border-radius:11px;transition:all .2s ease;cursor:pointer;
}
.btn-login:hover{color:var(--text);background:rgba(56,189,248,.14);}
.btn-signup{
  color:#03101f;font-weight:800;font-size:.86rem;
  padding:10px 18px;border-radius:11px;border:0;cursor:pointer;
  background:linear-gradient(135deg,var(--blue-2),var(--cyan));
  box-shadow:var(--glow);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(34,211,238,.6);}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--border-strong);
  color:var(--text);width:42px;height:40px;border-radius:11px;font-size:1rem;cursor:pointer;
}
/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:.94rem;padding:13px 24px;border-radius:13px;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03101f;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 0 30px rgba(34,211,238,.65);color:#03101f;}
.btn-ghost{
  background:rgba(56,189,248,.08);color:var(--blue-2);border-color:var(--border-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.18);color:var(--text);}
.btn-block{width:100%;}
/* ===== BADGES / TAGS ===== */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.72rem;font-weight:700;letter-spacing:.5px;
  padding:5px 12px;border-radius:999px;
  background:rgba(37,99,235,.18);color:var(--accent);
  border:1px solid var(--border);
}
.badge.hot{background:rgba(244,63,94,.16);color:#fb7185;border-color:rgba(244,63,94,.4);}
.badge.ok{background:rgba(16,185,129,.15);color:#34d399;border-color:rgba(16,185,129,.35);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a{
  font-size:.83rem;font-weight:600;color:var(--muted-2);
  padding:8px 15px;border-radius:999px;
  background:rgba(15,30,58,.7);border:1px solid var(--border);
  transition:all .2s ease;
}
.tag-cloud a:hover{color:#03101f;background:linear-gradient(135deg,var(--blue-2),var(--cyan));border-color:transparent;}
/* ===== GLASS CARD ===== */
.glass{
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card-pad{padding:24px;}
.grid{display:grid;gap:var(--gap);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
/* ===== HERO ===== */
.hero{position:relative;padding:0;overflow:hidden;border-bottom:1px solid var(--border);}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/e5c1a63b153a936c.jpg') center/cover no-repeat;
  opacity:.35;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(4,7,15,.94) 0%,rgba(4,10,24,.84) 45%,rgba(8,18,41,.74) 100%);
}
.hero-inner{position:relative;padding:66px 0 58px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;}
.hero h1{font-size:2.35rem;margin-bottom:16px;}
.hero .sub{color:var(--muted-2);font-size:1.02rem;max-width:640px;margin-bottom:24px;text-align:left;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;padding-top:20px;border-top:1px solid var(--border);}
.hero-stats .stat strong{display:block;font-size:1.5rem;color:var(--cyan);font-weight:900;line-height:1.1;}
.hero-stats .stat span{font-size:.8rem;color:var(--muted);}
.hero-panel{
  background:var(--glass-2);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px;
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
}
.hero-panel h3{font-size:1.05rem;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.hero-panel h3 i{color:var(--cyan);}
.zone-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.16);font-size:.9rem;color:var(--muted-2);
}
.zone-list li:last-child{border-bottom:0;padding-bottom:0;}
.zone-list i{color:var(--blue-2);margin-top:4px;}
/* ===== FEATURE / VALUE CARDS ===== */
.value-card{display:flex;gap:16px;align-items:flex-start;padding:24px;}
.value-card .ico{
  flex:0 0 48px;width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;font-size:1.15rem;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(34,211,238,.22));
  color:var(--cyan);border:1px solid var(--border);
}
.value-card h3{font-size:1rem;margin-bottom:6px;}
.value-card p{font-size:.88rem;color:var(--muted);margin:0;}
.value-card:hover{transform:translateY(-4px);border-color:var(--border-strong);}
/* ===== SCENARIO CARD ===== */
.scene{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  background:var(--glass);backdrop-filter:blur(16px);display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease;
}
.scene:hover{transform:translateY(-5px);border-color:var(--border-strong);}
.scene img{height:170px;width:100%;object-fit:cover;}
.scene .scene-body{padding:20px;}
.scene h3{font-size:1rem;margin-bottom:8px;}
.scene p{font-size:.87rem;color:var(--muted);margin:0;}
.scene .meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
/* ===== PLATFORM / SPEC ROW ===== */
.spec-row{
  display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
  padding:16px 20px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:rgba(11,23,48,.5);margin-bottom:12px;transition:border-color .2s ease,background .2s ease;
}
.spec-row:hover{border-color:var(--border-strong);background:rgba(11,23,48,.78);}
.spec-row .os-ico{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(56,189,248,.12);color:var(--cyan);font-size:1.2rem;border:1px solid var(--border);
}
.spec-row strong{display:block;font-size:.95rem;}
.spec-row small{color:var(--muted);font-size:.82rem;}
.spec-row .ver{font-size:.78rem;color:var(--accent);font-weight:700;white-space:nowrap;}
/* ===== STEPS ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  position:relative;padding:26px 22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(12,24,48,.85),rgba(8,18,41,.6));
  border:1px solid var(--border);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:1.9rem;font-weight:900;color:rgba(56,189,248,.28);display:block;margin-bottom:10px;line-height:1;
}
.step h3{font-size:.98rem;margin-bottom:8px;}
.step p{font-size:.85rem;color:var(--muted);margin:0;}
/* ===== TRUST / EVIDENCE ===== */
.trust-item{display:flex;gap:14px;align-items:flex-start;padding:20px;border-radius:var(--radius-sm);background:rgba(11,23,48,.5);border:1px solid var(--border);}
.trust-item i{color:var(--cyan);font-size:1.2rem;margin-top:3px;}
.trust-item strong{display:block;font-size:.95rem;margin-bottom:4px;}
.trust-item span{font-size:.83rem;color:var(--muted);}
/* ===== FAQ ===== */
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-sm);
  background:rgba(11,23,48,.5);margin-bottom:12px;overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:.96rem;
  display:flex;align-items:center;justify-content:space-between;gap:14px;color:var(--text);
}
.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);transition:transform .25s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.9rem;}
/* ===== CMS LIST ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--glass);display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--border-strong);}
.post-card img{height:168px;width:100%;object-fit:cover;}
.post-card .pc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:.98rem;margin:0;line-height:1.45;}
.post-card h3 a{color:var(--text);}
.post-card h3 a:hover{color:var(--cyan);}
.post-card p{font-size:.85rem;color:var(--muted);margin:0;flex:1;}
.post-card .pc-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.75rem;color:var(--muted);}
.post-card .pc-meta span{display:inline-flex;align-items:center;gap:5px;}
.post-empty{
  padding:36px;text-align:center;border:1px dashed var(--border-strong);
  border-radius:var(--radius);color:var(--muted);font-size:.92rem;
}
/* ===== CTA BAND ===== */
.cta-band{
  border-radius:var(--radius-lg);padding:44px 36px;text-align:center;
  background:linear-gradient(135deg,rgba(37,99,235,.32),rgba(34,211,238,.16));
  border:1px solid var(--border-strong);box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:12px;}
.cta-band p{color:var(--muted-2);max-width:640px;margin:0 auto 24px;}
.cta-band .hero-cta{justify-content:center;}
/* ===== FOOTER ===== */
.site-footer{border-top:1px solid var(--border);background:linear-gradient(180deg,rgba(8,18,41,.62),rgba(4,7,15,.95));padding:52px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px;margin-bottom:32px;}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:.86rem;color:var(--muted);max-width:340px;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pay-row span{
  font-size:.72rem;font-weight:600;color:var(--muted-2);
  padding:5px 11px;border-radius:8px;background:rgba(56,189,248,.08);border:1px solid var(--border);
}
.footer-col h4{font-size:.9rem;text-transform:uppercase;letter-spacing:1px;color:var(--muted-2);margin-bottom:14px;}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul a{font-size:.86rem;color:var(--muted);}
.footer-col ul a:hover{color:var(--cyan);}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;border:1px solid var(--border-strong);
  color:var(--cyan);font-weight:800;font-size:.78rem;background:rgba(56,189,248,.08);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:22px;border-top:1px solid var(--border);
  font-size:.78rem;color:var(--muted);
}
/* ===== 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:radial-gradient(circle at 30% 28%,rgba(56,189,248,.5),rgba(4,10,24,.92) 62%);
  border:2px solid var(--border-strong);color:var(--cyan);font-size:1.25rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);cursor:pointer;
  animation:fabPulse 2.8s ease-in-out infinite;transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
  opacity:.78;
}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 0 30px rgba(34,211,238,.7);}
.fab:active{transform:scale(.95);}
.fab .dot{position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;background:#f43f5e;box-shadow:0 0 0 2px #fff;}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.42);}50%{box-shadow:0 0 28px rgba(34,211,238,.68);}}
/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  h1{font-size:1.95rem;}
}
@media (max-width:860px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(4,9,20,.97);border-bottom:1px solid var(--border);
    padding:14px 18px;backdrop-filter:blur(16px);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 14px;font-size:.94rem;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-wrap{position:relative;}
}
@media (max-width:768px){
  .grid-3,.grid-4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
  .hero h1{font-size:1.7rem;}
  .hero-inner{padding:48px 0 42px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;}
}
@media (max-width:520px){
  h1{font-size:1.5rem;}
  h2{font-size:1.3rem;}
  .brand-text span{display:none;}
  .btn-login{padding:8px 12px;font-size:.8rem;}
  .btn-signup{padding:9px 13px;font-size:.8rem;}
  .hero-cta .btn{width:100%;}
  .hero-stats{gap:18px;}
  .fab{width:50px;height:50px;left:12px;bottom:84px;font-size:1.1rem;}
}