/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(12,22,45,.72);
  --surface-2:rgba(16,30,58,.92);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --gold:#FACC15;
  --danger:#F43F5E;
  --ok:#22D3EE;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --pill:999px;
  --shadow:0 22px 50px -26px rgba(2,6,23,.95);
  --glow:0 0 24px rgba(56,189,248,.35);
  --glow-strong:0 0 36px rgba(37,99,235,.55);
  --shell:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#7dd3fc}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0 0 14px;letter-spacing:-.02em}
h1{font-size:clamp(1.85rem,4.4vw,3.15rem)}
h2{font-size:clamp(1.4rem,2.7vw,2.1rem)}
h3{font-size:clamp(1.08rem,1.7vw,1.3rem)}
p{margin:0 0 16px;color:#cbd5e1;line-height:1.68}
ul{margin:0 0 16px;padding-left:20px}
li{margin-bottom:8px;color:#cbd5e1;line-height:1.62}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}
.section{padding:78px 0;position:relative}
.section--tight{padding:54px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section--grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:var(--pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{font-size:1.05rem;color:#cbd5e1;max-width:62ch}
.section-head{max-width:760px;margin-bottom:34px}
.section-head p{font-size:1.02rem}
.text-left{text-align:left}
.glass{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.glass:hover{border-color:var(--line-strong);box-shadow:var(--shadow),var(--glow)}
.btn-neon,.btn-ghost,.btn-login,.btn-signup{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;border-radius:var(--pill);transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease}
.btn-neon{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04101f;padding:14px 30px;border:0;font-size:1rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
}
.btn-neon:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.7);color:#030712}
.btn-neon:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:rgba(56,189,248,.07);color:var(--text);
  border:1px solid var(--line-strong);padding:13px 26px;font-size:.97rem;
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#fff}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.75rem;font-weight:700;letter-spacing:.05em;
  padding:5px 12px;border-radius:var(--pill);
  background:rgba(56,189,248,.12);color:var(--holo);border:1px solid rgba(56,189,248,.28);
}
.tag--gold{background:rgba(250,204,21,.12);color:var(--gold);border-color:rgba(250,204,21,.3)}
.tag--red{background:rgba(244,63,94,.12);color:#fb7185;border-color:rgba(244,63,94,.3)}

/* HEADER */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;font-size:1.05rem;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.98rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:var(--pill);
  font-size:.9rem;font-weight:600;color:#cbd5e1;white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{padding:9px 16px;font-size:.88rem;color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{padding:10px 20px;font-size:.88rem;color:#04101f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.45)}
.btn-signup:hover{color:#030712;transform:translateY(-1px);box-shadow:0 0 28px rgba(56,189,248,.75)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);font-size:1rem;
}

/* HERO */
.hero{
  position:relative;padding:132px 0 78px;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(3,7,18,.96) 12%,rgba(3,7,18,.78) 48%,rgba(8,18,41,.92) 100%),url('/assets/images/d99829e515f9ff84.jpg');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;left:50%;top:-180px;width:640px;height:640px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(37,99,235,.4),transparent 65%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start}
.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:20px}
.hero h1{margin-bottom:18px}
.hero h1 .hl{background:linear-gradient(120deg,#38BDF8,#60A5FA);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.06rem;color:#cbd5e1;max-width:60ch;margin-bottom:24px}
.hero-points{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:10px}
.hero-points li{display:flex;gap:11px;align-items:flex-start;font-size:.95rem;color:#cbd5e1}
.hero-points i{color:var(--cyan);margin-top:4px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.hero-stat{
  min-width:132px;padding:14px 18px;border-radius:var(--radius-sm);
  background:rgba(56,189,248,.06);border:1px solid var(--line);
}
.hero-stat b{display:block;font-size:1.42rem;font-weight:800;color:#fff}
.hero-stat span{font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

/* FORM CARD */
.form-card{padding:26px 24px 24px;border-radius:var(--radius-lg)}
.form-card h2{font-size:1.24rem;margin-bottom:6px}
.form-card .sub{font-size:.88rem;color:var(--muted);margin-bottom:18px}
.field{margin-bottom:13px}
.field label{display:block;font-size:.79rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.72);border:1px solid var(--line);
  color:var(--text);font-size:.95rem;font-family:inherit;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:#64748b}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.form-card .btn-neon{width:100%;margin-top:6px}
.form-note{font-size:.79rem;color:var(--muted);margin:14px 0 0;line-height:1.6}
.form-note i{color:var(--cyan);margin-right:5px}

/* STATS STRIP */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-box{padding:22px 20px;border-radius:var(--radius);text-align:left}
.stat-box b{display:block;font-size:1.9rem;font-weight:800;background:linear-gradient(120deg,#38BDF8,#60A5FA);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-box span{display:block;font-size:.88rem;font-weight:600;color:#e2e8f0;margin-top:4px}
.stat-box small{display:block;font-size:.8rem;color:var(--muted);margin-top:6px;line-height:1.55}

/* GRIDS */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}

/* PAIN LIST */
.pain-list{display:grid;gap:14px}
.pain-item{display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius-sm);background:rgba(244,63,94,.05);border:1px solid rgba(244,63,94,.2)}
.pain-item i{color:#fb7185;font-size:1.1rem;margin-top:3px}
.pain-item h3{font-size:1rem;margin-bottom:5px}
.pain-item p{margin:0;font-size:.9rem;color:#cbd5e1}

/* FEATURE CARDS */
.feature{padding:24px 22px;border-radius:var(--radius);height:100%}
.feature .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);
  font-size:1.1rem;margin-bottom:15px;
}
.feature h3{font-size:1.06rem;margin-bottom:8px}
.feature p{font-size:.92rem;margin:0;color:#cbd5e1}

/* SECRET BLOCKS */
.secret{padding:26px 26px;border-radius:var(--radius);border-left:3px solid var(--cyan);margin-bottom:18px}
.secret:last-child{margin-bottom:0}
.secret h3{font-size:1.12rem;margin-bottom:10px;color:#fff}
.secret p{font-size:.95rem;margin:0}
.secret .meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{padding:24px 20px;border-radius:var(--radius);position:relative}
.step b{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;font-size:1rem;font-weight:800;margin-bottom:14px;
}
.step h3{font-size:1rem;margin-bottom:8px}
.step p{font-size:.88rem;margin:0;color:#cbd5e1}

/* PAYOUT */
.pay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.pay-item{padding:20px;border-radius:var(--radius-sm);background:rgba(56,189,248,.05);border:1px solid var(--line)}
.pay-item b{display:block;font-size:1rem;color:#fff;margin-bottom:6px}
.pay-item span{font-size:.85rem;color:var(--muted)}
.pay-item em{display:block;font-style:normal;font-size:.85rem;color:var(--cyan);margin-top:8px;font-weight:600}

/* CHECKLIST */
.check-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:16px 18px;
  border-radius:var(--radius-sm);background:rgba(34,211,238,.05);border:1px solid rgba(34,211,238,.2);
  font-size:.92rem;margin:0;
}
.check-list i{color:var(--ok);margin-top:4px}

/* BADGES WALL */
.badge-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.badge-item{padding:22px 18px;border-radius:var(--radius);text-align:left;background:rgba(56,189,248,.045);border:1px solid var(--line)}
.badge-item i{font-size:1.5rem;color:var(--cyan);margin-bottom:12px;display:block}
.badge-item b{display:block;font-size:.98rem;color:#fff;margin-bottom:6px}
.badge-item span{font-size:.85rem;color:var(--muted);line-height:1.55}

/* BOUNDARY */
.boundary{padding:26px 26px;border-radius:var(--radius);background:linear-gradient(135deg,rgba(244,63,94,.09),rgba(3,7,18,.6));border:1px solid rgba(244,63,94,.28)}
.boundary h2{font-size:1.3rem}
.boundary ul{margin:0;padding-left:20px}
.boundary li{font-size:.92rem}

/* CATEGORY WALL */
.cat-card{padding:26px 24px;border-radius:var(--radius);display:flex;flex-direction:column;height:100%}
.cat-card .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(37,99,235,.18);border:1px solid var(--line-strong);color:var(--holo);margin-bottom:14px}
.cat-card h3{font-size:1.05rem;margin-bottom:8px}
.cat-card p{font-size:.9rem;flex:1}
.cat-card .go{font-size:.87rem;font-weight:700;color:var(--cyan);display:inline-flex;gap:7px;align-items:center}
.cat-card .go:hover{gap:11px;color:#7dd3fc}

/* TESTIMONIALS */
.quote{padding:24px 22px;border-radius:var(--radius);height:100%;display:flex;flex-direction:column}
.quote i.q{color:var(--cyan);font-size:1.2rem;margin-bottom:12px}
.quote p{font-size:.94rem;color:#e2e8f0;flex:1}
.quote .who{display:flex;align-items:center;gap:11px;margin-top:8px}
.quote .av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#2563EB,#38BDF8);display:grid;place-items:center;color:#04101f;font-weight:800;font-size:.9rem}
.quote .who b{display:block;font-size:.9rem;color:#fff}
.quote .who span{font-size:.78rem;color:var(--muted)}

/* AUDIENCE */
.aud-list{display:grid;gap:14px}
.aud-item{display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius-sm);background:rgba(56,189,248,.05);border:1px solid var(--line)}
.aud-item i{color:var(--cyan);font-size:1.05rem;margin-top:4px}
.aud-item b{display:block;color:#fff;font-size:.98rem;margin-bottom:4px}
.aud-item span{font-size:.89rem;color:#cbd5e1}

/* NEWS */
.news-wrap{display:grid;grid-template-columns:1.55fr 1fr;gap:30px;align-items:start}
.news-list{display:grid;gap:16px}
.news-item{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:16px;border-radius:var(--radius);background:rgba(12,22,45,.7);border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease}
.news-item:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.news-item img{width:100%;height:112px;object-fit:cover;border-radius:var(--radius-sm)}
.news-item .meta{display:flex;gap:12px;font-size:.76rem;color:var(--muted);margin-bottom:6px;flex-wrap:wrap}
.news-item .meta span{display:inline-flex;gap:6px;align-items:center}
.news-item h3{font-size:1.02rem;margin-bottom:7px}
.news-item h3 a{color:#fff}
.news-item h3 a:hover{color:var(--cyan)}
.news-item p{font-size:.88rem;margin:0;color:#94a3b8}
.side-list{display:grid;gap:14px}
.side-item{padding:16px 18px;border-radius:var(--radius-sm);background:rgba(56,189,248,.05);border:1px solid var(--line)}
.side-item b{display:block;font-size:.94rem;color:#fff;margin-bottom:5px}
.side-item b a{color:#fff}
.side-item b a:hover{color:var(--cyan)}
.side-item span{font-size:.78rem;color:var(--muted)}
.empty-note{padding:22px;border-radius:var(--radius);border:1px dashed var(--line-strong);color:var(--muted);font-size:.92rem;background:rgba(56,189,248,.04)}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{border-radius:var(--radius-sm);background:rgba(12,22,45,.7);border:1px solid var(--line);overflow:hidden}
.faq-item summary{
  cursor:pointer;padding:18px 20px;font-weight:700;font-size:.98rem;color:#fff;
  list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.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 .25s ease}
.faq-item[open] summary::after{content:"\f068"}
.faq-item p{padding:0 20px 18px;margin:0;font-size:.92rem;color:#cbd5e1}

/* FINAL CTA */
.cta-band{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;padding:52px 40px;text-align:center;
  background-image:linear-gradient(120deg,rgba(3,7,18,.92),rgba(8,18,41,.86)),url('/assets/images/120dccf6758dacd9.jpg');
  background-size:cover;background-position:center;border:1px solid var(--line-strong);
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,2rem)}
.cta-band p{max-width:64ch;margin:0 auto 24px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* FOOTER */
.site-footer{background:linear-gradient(180deg,#050b1c,#020509);border-top:1px solid rgba(56,189,248,.14);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-col h4{font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;color:#e2e8f0;margin-bottom:14px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:.9rem;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-badge{font-size:.74rem;font-weight:700;letter-spacing:.05em;padding:6px 12px;border-radius:var(--pill);background:rgba(56,189,248,.08);border:1px solid var(--line);color:#cbd5e1}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(148,163,184,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#64748b;
}
.age-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--pill);border:1px solid rgba(244,63,94,.4);color:#fb7185;font-weight:700;font-size:.78rem}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--pill);
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(120deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#fff;font-size:.86rem;font-weight:700;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .3s ease;
  min-height:48px;
}
.fab i{color:var(--cyan);animation:flicker 2.6s infinite}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 34px rgba(6,182,212,.75);color:#fff}
.fab:active{transform:scale(.96)}
.fab .dot{position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;background:#F43F5E;box-shadow:0 0 0 2px #030712;animation:pulse 1.6s infinite}
@keyframes flicker{0%,100%{opacity:1}48%{opacity:1}50%{opacity:.35}52%{opacity:1}78%{opacity:.6}80%{opacity:1}}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(244,63,94,.6)}70%{box-shadow:0 0 0 10px rgba(244,63,94,0)}100%{box-shadow:0 0 0 0 rgba(244,63,94,0)}}

/* RESPONSIVE */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .badge-wall{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .main-nav{
    display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(4,10,24,.98);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line-strong);padding:14px 20px 20px;gap:6px;margin-left:0;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;font-size:.95rem}
  .nav-toggle{display:grid;place-items:center}
  .header-inner{gap:10px}
  .brand-text em{display:none}
  .news-wrap{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .pay-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .check-list{grid-template-columns:1fr}
}
@media (max-width:720px){
  .section{padding:58px 0}
  .hero{padding:112px 0 58px}
  .header-inner{height:68px}
  .main-nav{top:68px}
  .brand-text b{font-size:.86rem}
  .btn-login{padding:8px 12px;font-size:.8rem}
  .btn-signup{padding:9px 14px;font-size:.8rem}
  .grid-2,.grid-3,.grid-4,.steps,.badge-wall,.pay-grid,.stat-strip{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-item img{height:158px}
  .cta-band{padding:38px 22px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .fab{left:12px;bottom:88px;padding:11px 15px;font-size:.8rem}
}
@media (max-width:520px){
  .shell{padding:0 16px}
  .hero h1{font-size:1.7rem}
  .footer-grid{grid-template-columns:1fr}
  .fab span.txt{display:none}
  .fab{padding:14px;border-radius:50%}
  .hero-stat{flex:1 1 46%;min-width:0}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(12,22,45,.72);
  --surface-2:rgba(16,30,58,.92);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --gold:#FACC15;
  --danger:#F43F5E;
  --ok:#22D3EE;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --pill:999px;
  --shadow:0 22px 50px -26px rgba(2,6,23,.95);
  --glow:0 0 24px rgba(56,189,248,.35);
  --glow-strong:0 0 36px rgba(37,99,235,.55);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#7dd3fc}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:10px}
button{font-family:inherit;cursor:pointer}
p{margin:0 0 14px}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.3;margin:0 0 14px}
h2{font-size:clamp(1.4rem,2.4vw,1.9rem)}
h3{font-size:1.14rem}
ul,ol{margin:0 0 14px;padding-left:20px}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}
.section{padding:78px 0;position:relative}
.section--tight{padding:54px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section--grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:var(--pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{font-size:1.05rem;color:#cbd5e1;max-width:64ch}
.section-head{max-width:760px;margin-bottom:34px}
.section-head p{font-size:1.02rem;color:#cbd5e1}
.btn-neon,.btn-ghost,.btn-login,.btn-signup{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;border-radius:var(--pill);transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease}
.btn-neon{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04101f;padding:14px 30px;border:0;font-size:1rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
}
.btn-neon:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.7);color:#030712}
.btn-neon:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:rgba(56,189,248,.07);color:var(--text);
  border:1px solid var(--line-strong);padding:13px 26px;font-size:.97rem;
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#fff}
.btn-ghost:active{transform:scale(.98)}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.75rem;font-weight:700;letter-spacing:.05em;
  padding:5px 12px;border-radius:var(--pill);
  background:rgba(56,189,248,.12);color:var(--holo);border:1px solid rgba(56,189,248,.28);
}
.tag--gold{background:rgba(250,204,21,.12);color:var(--gold);border-color:rgba(250,204,21,.3)}
.tag--red{background:rgba(244,63,94,.12);color:#fb7185;border-color:rgba(244,63,94,.3)}
.tag--ok{background:rgba(34,211,238,.12);color:var(--ok);border-color:rgba(34,211,238,.3)}
/* HEADER */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;font-size:1.05rem;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.98rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:var(--pill);
  font-size:.9rem;font-weight:600;color:#cbd5e1;white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{padding:9px 16px;font-size:.88rem;color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{padding:10px 20px;font-size:.88rem;color:#04101f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.45)}
.btn-signup:hover{color:#030712;transform:translateY(-1px);box-shadow:0 0 28px rgba(56,189,248,.75)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);font-size:1rem;
}
/* ARTICLE HERO */
.article-hero{
  position:relative;padding:132px 0 60px;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(3,7,18,.96) 10%,rgba(3,7,18,.8) 46%,rgba(8,18,41,.93) 100%),url('/assets/images/120dccf6758dacd9.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(56,189,248,.14);
}
.article-hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(37,99,235,.38),transparent 66%);pointer-events:none;
}
.article-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.32fr .68fr;gap:44px;align-items:start}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb i{font-size:.6rem;opacity:.7}
.article-title{font-size:clamp(1.65rem,3.1vw,2.45rem);line-height:1.24;margin:14px 0 18px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;font-size:.85rem;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--cyan)}
.article-excerpt{font-size:1.04rem;color:#cbd5e1;max-width:64ch;margin:20px 0 24px;padding-left:16px;border-left:3px solid var(--line-strong)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.author-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.author-top{display:flex;align-items:center;gap:14px}
.author-avatar{width:60px;height:60px;border-radius:50%;object-fit:cover;border:2px solid var(--line-strong);box-shadow:var(--glow)}
.author-name{font-weight:800;font-size:1.02rem;margin:0}
.author-role{font-size:.78rem;color:var(--muted);margin:2px 0 0}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0 16px}
.stat{padding:11px 8px;border-radius:var(--radius-sm);background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.16);text-align:center}
.stat b{display:block;font-size:1.02rem;color:#fff;line-height:1.2}
.stat span{font-size:.66rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.author-card .btn-neon{width:100%;padding:12px 18px;font-size:.94rem}
.author-note{font-size:.78rem;color:var(--muted);margin:12px 0 0;text-align:center}
/* ARTICLE LAYOUT */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.article-content{font-size:1.02rem;color:#dbe4f0;min-width:0}
.article-content h2{font-size:clamp(1.35rem,2.2vw,1.75rem);margin:38px 0 14px;padding-left:16px;border-left:4px solid var(--cyan);color:#fff}
.article-content h3{margin:28px 0 12px;color:#fff}
.article-content p{line-height:1.7}
.article-content ul,.article-content ol{padding-left:22px;line-height:1.7}
.article-content li{margin-bottom:8px}
.article-content strong{color:#fff}
.article-content img{border-radius:var(--radius);border:1px solid var(--line);margin:22px 0}
.article-content a{color:var(--cyan);border-bottom:1px dashed rgba(56,189,248,.5)}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--gold);
  background:rgba(250,204,21,.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#e8eef7;
}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.94rem}
.article-content th,.article-content td{padding:11px 14px;border:1px solid rgba(56,189,248,.16);text-align:left}
.article-content th{background:rgba(56,189,248,.1);color:#fff}
.article-content tr:nth-child(even) td{background:rgba(8,18,41,.55)}
.article-empty{
  padding:44px 28px;border-radius:var(--radius-lg);text-align:left;
  background:var(--surface);border:1px solid var(--line);
}
.article-empty h2{border:0;padding:0;margin-top:0}
.article-aside{position:sticky;top:96px;display:grid;gap:18px}
.aside-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.aside-box h3{font-size:.95rem;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.aside-box h3 i{color:var(--cyan)}
.aside-list{list-style:none;margin:0;padding:0;font-size:.9rem}
.aside-list li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed rgba(148,163,184,.22);color:var(--muted)}
.aside-list li:last-child{border-bottom:0}
.aside-list li b{color:#fff;font-weight:700}
.aside-links{list-style:none;margin:0;padding:0;font-size:.9rem}
.aside-links li{margin-bottom:6px}
.aside-links a{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:var(--radius-sm);color:#cbd5e1;background:rgba(56,189,248,.05)}
.aside-links a:hover{background:rgba(56,189,248,.14);color:#fff}
.aside-links i{color:var(--cyan);font-size:.8rem}
.pay-row{display:flex;flex-wrap:wrap;gap:8px}
.pay-badge{
  font-size:.72rem;font-weight:700;padding:6px 11px;border-radius:var(--pill);
  background:rgba(37,99,235,.16);border:1px solid rgba(56,189,248,.3);color:#bfdbfe;
}
/* TABLE / GRIDS */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}
.cau-table{width:100%;border-collapse:collapse;min-width:680px;font-size:.92rem}
.cau-table th,.cau-table td{padding:14px 16px;text-align:left;border-bottom:1px solid rgba(56,189,248,.13)}
.cau-table th{background:rgba(56,189,248,.1);color:#fff;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}
.cau-table tr:last-child td{border-bottom:0}
.cau-table td:first-child{color:#fff;font-weight:700}
.cau-table tr:hover td{background:rgba(56,189,248,.05)}
.pay-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.pay-card{
  padding:24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.pay-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.pay-card .icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.85));color:#04101f;font-size:1.05rem;
}
.pay-card h3{font-size:1.05rem;margin-bottom:8px}
.pay-card p{font-size:.9rem;color:#cbd5e1;margin-bottom:12px}
.pay-card ul{list-style:none;padding:0;margin:0;font-size:.85rem;color:var(--muted)}
.pay-card ul li{display:flex;gap:8px;align-items:flex-start;margin-bottom:6px}
.pay-card ul i{color:var(--ok);margin-top:4px;font-size:.7rem}
.steps{display:grid;gap:16px;counter-reset:step}
.step{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px;align-items:start;
  padding:22px 24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);
}
.step-num{
  counter-increment:step;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:1rem;color:#04101f;background:linear-gradient(135deg,#38BDF8,#60A5FA);
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.step h3{margin-bottom:6px}
.step p{margin:0;font-size:.94rem;color:#cbd5e1}
.check-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:.94rem;color:#dbe4f0;
  padding:16px 18px;border-radius:var(--radius-sm);background:rgba(56,189,248,.05);border:1px solid rgba(56,189,248,.14);
}
.check-list i{color:var(--cyan);margin-top:4px}
.metric-band{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  padding:28px;border-radius:var(--radius-lg);background:var(--surface-2);border:1px solid var(--line-strong);
}
.metric{text-align:left}
.metric b{display:block;font-size:1.6rem;color:#fff;line-height:1.2}
.metric span{font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);
  overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:1rem;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:#fff;
}
.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:.85rem}
.faq-item[open] summary::after{content:"\f068"}
.faq-item .faq-body{padding:0 22px 20px;font-size:.95rem;color:#cbd5e1;line-height:1.7}
/* CTA */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:48px;
  background-image:linear-gradient(120deg,rgba(3,7,18,.94),rgba(8,18,41,.9)),url('/assets/images/91719f403490fd73.jpg');
  background-size:cover;background-position:center;border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.cta-panel::after{content:"";position:absolute;left:-120px;bottom:-180px;width:460px;height:460px;background:radial-gradient(circle,rgba(56,189,248,.32),transparent 66%);pointer-events:none}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;background:rgba(3,7,18,.6);padding:14px;border-radius:var(--radius);border:1px solid var(--line)}
.cta-form input{
  flex:1 1 200px;min-width:0;background:rgba(12,22,45,.9);border:1px solid var(--line);
  color:var(--text);border-radius:var(--radius-sm);padding:13px 16px;font-size:.95rem;
}
.cta-form input::placeholder{color:#7c8aa3}
.cta-form input:focus{border-color:var(--cyan);outline:none;box-shadow:var(--glow)}
.cta-note{font-size:.82rem;color:var(--muted);margin:12px 0 0}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:var(--pill);
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(120deg,#A3E635,#06B6D4);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e2f7ff;font-weight:700;font-size:.86rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .3s ease;
}
.fab i{color:#A3E635;animation:fabPulse 2.4s ease-in-out infinite}
.fab:hover{opacity:1;color:#fff;transform:translateY(-3px);box-shadow:0 0 30px rgba(6,182,212,.75)}
.fab:active{transform:translateY(0) scale(.96)}
@keyframes fabPulse{0%,100%{opacity:.7}50%{opacity:1}}
/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.96),rgba(8,18,41,.98));
  border-top:1px solid rgba(56,189,248,.16);padding:60px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-col h4{font-size:.9rem;text-transform:uppercase;letter-spacing:.1em;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:.9rem;color:var(--muted)}
.footer-col a:hover{color:var(--cyan)}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.82rem;color:var(--muted);
}
.age-pill{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.78rem;
  padding:6px 14px;border-radius:var(--pill);background:rgba(244,63,94,.12);
  color:#fb7185;border:1px solid rgba(244,63,94,.32);
}
/* RESPONSIVE */
@media (max-width:1080px){
  .nav-toggle{display:grid;place-items:center}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;display:none;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;border-radius:var(--radius-sm)}
  .header-actions{margin-left:auto}
  .article-hero-grid{grid-template-columns:1fr;gap:32px}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .article-aside{position:static}
  .pay-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .metric-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .article-hero{padding:112px 0 46px}
  .header-inner{height:68px;gap:12px}
  .main-nav{top:68px}
  .brand-text b{font-size:.9rem}
  .check-list{grid-template-columns:1fr}
  .cta-panel{padding:30px 22px}
  .stat-row{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:520px){
  .brand-text em{display:none}
  .brand-text b{font-size:.82rem}
  .brand-mark{width:36px;height:36px;font-size:.95rem}
  .btn-login{padding:8px 12px;font-size:.78rem}
  .btn-signup{padding:9px 14px;font-size:.78rem}
  .nav-toggle{width:38px;height:38px}
  .pay-grid{grid-template-columns:1fr}
  .metric-band{grid-template-columns:1fr;padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .article-title{font-size:1.5rem}
  .fab{left:12px;bottom:84px;padding:11px 15px;font-size:.8rem}
  .step{grid-template-columns:1fr;gap:12px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(12,22,45,.72);
  --surface-2:rgba(16,30,58,.92);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --gold:#FACC15;
  --danger:#F43F5E;
  --ok:#22D3EE;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --pill:999px;
  --shadow:0 22px 50px -26px rgba(2,6,23,.95);
  --glow:0 0 24px rgba(56,189,248,.35);
  --glow-strong:0 0 36px rgba(37,99,235,.55);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg);
  background-image:radial-gradient(900px 520px at 8% -8%,rgba(37,99,235,.20),transparent 60%),radial-gradient(820px 500px at 96% 4%,rgba(56,189,248,.12),transparent 62%);
  background-attachment:fixed;
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#7dd3fc}
ul{margin:0;padding:0;list-style:none}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.24;font-weight:800;letter-spacing:-.015em}
h1{font-size:clamp(1.85rem,4.1vw,2.95rem)}
h2{font-size:clamp(1.4rem,2.6vw,2.05rem)}
h3{font-size:1.06rem}
h4{font-size:.98rem}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}
.section{padding:78px 0;position:relative}
.section--tight{padding:56px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section--grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
}
.section > .shell{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:var(--pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{font-size:1.04rem;color:#cbd5e1;max-width:64ch}
.section-head{max-width:760px;margin-bottom:34px}
.section-head p{font-size:1.01rem;color:#cbd5e1}
.text-left{text-align:left}
.btn-neon,.btn-ghost,.btn-login,.btn-signup{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;border-radius:var(--pill);transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease}
.btn-neon{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04101f;padding:14px 30px;border:0;font-size:1rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
}
.btn-neon:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.7);color:#030712}
.btn-neon:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  background:rgba(56,189,248,.07);color:var(--text);
  border:1px solid var(--line-strong);padding:13px 26px;font-size:.97rem;
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#fff;transform:translateY(-2px)}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.73rem;font-weight:700;letter-spacing:.05em;
  padding:5px 12px;border-radius:var(--pill);
  background:rgba(56,189,248,.12);color:var(--holo);border:1px solid rgba(56,189,248,.28);
}
.tag--gold{background:rgba(250,204,21,.12);color:var(--gold);border-color:rgba(250,204,21,.3)}
.tag--red{background:rgba(244,63,94,.12);color:#fb7185;border-color:rgba(244,63,94,.3)}
.tag--ok{background:rgba(34,211,238,.12);color:var(--ok);border-color:rgba(34,211,238,.3)}

/* HEADER */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;font-size:1.05rem;
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.98rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:var(--pill);
  font-size:.9rem;font-weight:600;color:#cbd5e1;white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{padding:9px 16px;font-size:.88rem;color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{padding:10px 20px;font-size:.88rem;color:#04101f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.45)}
.btn-signup:hover{color:#030712;transform:translateY(-1px);box-shadow:0 0 28px rgba(56,189,248,.75)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);font-size:1rem;
}
.nav-toggle:hover{background:rgba(56,189,248,.2)}

/* HERO */
.hero{
  position:relative;padding:130px 0 70px;overflow:hidden;
  background-image:linear-gradient(112deg,rgba(3,7,18,.97) 10%,rgba(3,7,18,.8) 46%,rgba(8,18,41,.93) 100%),url('/assets/images/d99829e515f9ff84.jpg');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;left:52%;top:-200px;width:660px;height:660px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(37,99,235,.42),transparent 65%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:start}
.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:20px}
.hero h1{margin-bottom:18px}
.hero h1 .hl{background:linear-gradient(120deg,#38BDF8,#60A5FA);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.05rem;color:#cbd5e1;max-width:60ch;margin-bottom:24px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.countdown{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px 18px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.countdown-label{display:inline-flex;align-items:center;gap:9px;font-size:.86rem;font-weight:600;color:#cbd5e1}
.countdown-label i{color:var(--gold)}
.countdown-units{display:flex;gap:10px;margin-left:auto}
.cu{display:flex;flex-direction:column;align-items:center;min-width:54px;padding:6px 8px;border-radius:var(--radius-sm);background:rgba(56,189,248,.09);border:1px solid rgba(56,189,248,.2)}
.cu b{font-size:1.12rem;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.cu em{font-style:normal;font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.hero-panel{
  background:linear-gradient(160deg,rgba(16,30,58,.92),rgba(8,18,41,.72));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.hero-panel h3{display:flex;align-items:center;gap:10px;font-size:1.02rem;margin-bottom:16px}
.hero-panel h3 i{color:var(--cyan)}
.hero-stat-list{display:grid;gap:12px}
.hero-stat{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 14px;border-radius:var(--radius-sm);background:rgba(3,7,18,.55);border:1px solid rgba(56,189,248,.14)}
.hero-stat span{font-size:.86rem;color:#cbd5e1}
.hero-stat b{font-size:1.02rem;color:var(--cyan);white-space:nowrap}
.hero-note{margin:18px 0 0;font-size:.8rem;color:var(--muted)}

/* PAIN */
.pain-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:start}
.pain-list{display:grid;gap:0}
.pain-item{padding:20px 0;border-top:1px solid rgba(56,189,248,.14);display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start}
.pain-item:last-child{border-bottom:1px solid rgba(56,189,248,.14)}
.pain-item i{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(244,63,94,.12);color:#fb7185;border:1px solid rgba(244,63,94,.28)}
.pain-item h3{margin-bottom:6px}
.pain-item p{margin:0;font-size:.94rem;color:#b6c2d4}
.pain-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);margin-top:8px}
.pain-figure img{width:100%;height:280px;object-fit:cover}

/* METHODS */
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.method-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.method-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 40px -24px rgba(37,99,235,.9),var(--glow)}
.method-num{font-size:.74rem;font-weight:800;letter-spacing:.14em;color:var(--cyan);display:block;margin-bottom:10px}
.method-card h3{margin-bottom:8px}
.method-card p{font-size:.92rem;color:#b6c2d4;margin-bottom:12px}
.method-meta{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--muted)}
.method-meta i{color:var(--cyan)}
.method-aside{display:grid;grid-template-columns:1fr .8fr;gap:40px;align-items:center;margin-bottom:36px}
.method-aside img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);height:230px;width:100%;object-fit:cover}

/* STEPS */
.steps{display:grid;gap:0;border-left:2px solid rgba(56,189,248,.2);margin-left:12px}
.step{position:relative;padding:0 0 30px 34px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-11px;top:6px;width:20px;height:20px;border-radius:50%;
  background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 14px rgba(56,189,248,.6);
}
.step b{display:block;font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:6px}
.step h3{margin-bottom:7px}
.step p{margin:0;font-size:.94rem;color:#b6c2d4;max-width:70ch}

/* ROAD MAP */
.road-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:34px;align-items:start}
.road-box{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.road-box-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid rgba(56,189,248,.16);background:rgba(3,7,18,.5)}
.road-box-head h3{margin:0;font-size:.98rem}
.road-table{width:100%;border-collapse:collapse;font-size:.88rem}
.road-table th{
  text-align:left;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);
  padding:12px 16px;background:rgba(3,7,18,.6);font-weight:700;white-space:nowrap;
}
.road-table td{padding:12px 16px;border-top:1px solid rgba(56,189,248,.1);color:#cbd5e1;white-space:nowrap}
.road-table tbody tr:hover td{background:rgba(56,189,248,.06)}
.road-table td b{color:#fff}
.result-r{color:#fb7185;font-weight:700}
.result-h{color:#60A5FA;font-weight:700}
.conf{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--ok)}
.legend{display:grid;gap:14px;margin-bottom:20px}
.legend-item{display:grid;grid-template-columns:14px 1fr;gap:12px;align-items:start}
.legend-dot{width:12px;height:12px;border-radius:4px;margin-top:6px}
.dot-r{background:#fb7185;box-shadow:0 0 12px rgba(251,113,133,.6)}
.dot-h{background:#60A5FA;box-shadow:0 0 12px rgba(96,165,250,.6)}
.dot-b{background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 12px rgba(56,189,248,.6)}
.legend-item b{display:block;font-size:.9rem}
.legend-item span{font-size:.86rem;color:var(--muted)}
.road-figure{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-top:20px}
.road-figure img{width:100%;height:180px;object-fit:cover}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:38px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;backdrop-filter:blur(10px)}
.stat b{display:block;font-size:1.6rem;font-weight:800;background:linear-gradient(120deg,#38BDF8,#60A5FA);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:4px}
.stat span{font-size:.84rem;color:var(--muted)}

/* QUOTES */
.quote-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:20px;align-items:start}
.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;backdrop-filter:blur(10px);transition:border-color .25s ease,transform .25s ease}
.quote:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.quote--lead{background:linear-gradient(150deg,rgba(16,30,58,.95),rgba(8,18,41,.72));border-color:var(--line-strong)}
.quote i.fa-quote-left{color:var(--cyan);font-size:1.2rem;margin-bottom:12px;display:block}
.quote p{font-size:.98rem;color:#dbe4f0;margin-bottom:16px}
.quote--lead p{font-size:1.06rem}
.quote-who{display:flex;align-items:center;gap:12px;font-size:.84rem;color:var(--muted)}
.quote-av{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;font-weight:800}

/* AUDIENCE */
.aud-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.aud-item{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:20px;border-radius:var(--radius);background:rgba(12,22,45,.6);border:1px solid var(--line);transition:border-color .25s ease,background .25s ease}
.aud-item:hover{border-color:var(--line-strong);background:rgba(16,30,58,.8)}
.aud-item i{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(56,189,248,.12);color:var(--cyan);border:1px solid rgba(56,189,248,.28)}
.aud-item h3{margin-bottom:5px;font-size:1rem}
.aud-item p{margin:0;font-size:.9rem;color:#b6c2d4}

/* CATEGORY MATRIX */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  display:flex;flex-direction:column;gap:12px;padding:26px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(16,30,58,.9),rgba(8,18,41,.68));
  border:1px solid var(--line);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 20px 44px -26px rgba(37,99,235,.95)}
.cat-card h3{margin:0;font-size:1.08rem}
.cat-card p{margin:0;font-size:.91rem;color:#b6c2d4}
.cat-card .cat-link{margin-top:auto;font-size:.88rem;font-weight:700;display:inline-flex;align-items:center;gap:8px}
.cat-card .cat-link i{transition:transform .22s ease}
.cat-card:hover .cat-link i{transform:translateX(4px)}

/* NEWS */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 22px 44px -28px rgba(37,99,235,.9)}
.news-thumb{display:block;position:relative;overflow:hidden}
.news-thumb img{width:100%;height:178px;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:.75rem;color:var(--muted);flex-wrap:wrap}
.news-body h3{font-size:1rem;margin:0;line-height:1.45}
.news-body h3 a{color:#fff}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{margin:0;font-size:.89rem;color:#b6c2d4}
.news-empty{padding:26px;border:1px dashed rgba(56,189,248,.35);border-radius:var(--radius);color:#b6c2d4;background:rgba(12,22,45,.5)}
.news-more{margin-top:28px;text-align:center}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(12,22,45,.55);margin-bottom:12px;overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 20px;font-weight:700;font-size:.96rem;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.75rem;color:var(--cyan);transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item p{margin:0;padding:0 20px 18px;font-size:.92rem;color:#b6c2d4}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);padding:44px;
  background-image:linear-gradient(115deg,rgba(3,7,18,.94) 8%,rgba(8,18,41,.86) 60%,rgba(37,99,235,.42) 100%),url('/assets/images/91719f403490fd73.jpg');
  background-size:cover;background-position:center;
}
.cta-band h2{margin-bottom:12px}
.cta-band p{max-width:62ch;color:#dbe4f0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.pay-badge{font-size:.76rem;font-weight:700;padding:6px 13px;border-radius:var(--pill);background:rgba(3,7,18,.6);border:1px solid rgba(56,189,248,.3);color:#cbd5e1}

/* FOOTER */
.site-footer{background:linear-gradient(180deg,rgba(8,18,41,.9),rgba(3,7,18,1));border-top:1px solid rgba(56,189,248,.14);padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-col h4{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:#cbd5e1;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:.89rem;color:#94a3b8}
.footer-col ul a:hover{color:var(--cyan)}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(56,189,248,.12);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:.82rem;color:#94a3b8}
.age-pill{display:inline-flex;align-items:center;gap:8px;font-size:.76rem;font-weight:700;padding:6px 13px;border-radius:var(--pill);background:rgba(244,63,94,.12);border:1px solid rgba(244,63,94,.3);color:#fb7185}

/* FAB */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:1040;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:12px 20px;border-radius:var(--pill);
  background:
    linear-gradient(rgba(7,7,13,.84),rgba(7,7,13,.84)) padding-box,
    linear-gradient(135deg,#2563EB,#38BDF8) border-box;
  border:2px solid transparent;
  color:#e2e8f0;font-weight:700;font-size:.86rem;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 22px rgba(56,189,248,.45);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab-support i{font-size:1.1rem;color:var(--cyan);animation:fabPulse 2.6s ease-in-out infinite}
.fab-support:hover{opacity:1;transform:translateY(-2px) scale(1.03);box-shadow:0 0 34px rgba(56,189,248,.75);color:#fff}
.fab-support:active{transform:scale(.96)}
.fab-dot{position:absolute;top:6px;right:10px;width:11px;height:11px;border-radius:50%;background:#F43F5E;box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:dotPulse 1.6s ease-in-out infinite}
@keyframes fabPulse{0%,100%{opacity:1;filter:drop-shadow(0 0 4px rgba(56,189,248,.7))}50%{opacity:.65;filter:drop-shadow(0 0 12px rgba(56,189,248,1))}}
@keyframes dotPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .pain-wrap{grid-template-columns:1fr;gap:30px}
  .method-aside{grid-template-columns:1fr;gap:24px}
  .method-grid{grid-template-columns:repeat(2,1fr)}
  .road-wrap{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:860px){
  .header-inner{height:66px;gap:12px}
  .main-nav{
    position:absolute;top:66px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:2px;display:none;
    background:rgba(3,7,18,.98);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);padding:12px 18px 20px;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;font-size:.94rem;border-radius:var(--radius-sm)}
  .nav-toggle{display:grid;place-items:center}
  .brand-text b{font-size:.9rem}
  .hero{padding:112px 0 60px}
  .section{padding:60px 0}
  .cta-band{padding:32px 24px}
}
@media (max-width:600px){
  .shell{padding:0 16px}
  .brand-text em{display:none}
  .brand-mark{width:36px;height:36px;border-radius:10px}
  .btn-login{padding:8px 12px;font-size:.8rem}
  .btn-signup{padding:9px 14px;font-size:.8rem}
  .method-grid,.cat-grid,.news-grid,.aud-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr;gap:12px}
  .countdown{padding:12px 14px}
  .countdown-units{margin-left:0;width:100%;justify-content:space-between}
  .cu{min-width:48px}
  .road-box{overflow-x:auto}
  .road-table{min-width:560px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .fab-support{padding:12px 14px;font-size:.8rem;bottom:84px}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(12,22,45,.72);
  --surface-2:rgba(16,30,58,.92);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --gold:#FACC15;
  --danger:#F43F5E;
  --ok:#22D3EE;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --pill:999px;
  --shadow:0 22px 50px -26px rgba(2,6,23,.95);
  --glow:0 0 24px rgba(56,189,248,.35);
  --glow-strong:0 0 36px rgba(37,99,235,.55);
  --shell:1200px;
}
/* roulang page: category2 - rut-atm-1-1 */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#7dd3fc}
button,input,select,textarea{font-family:inherit;font-size:1rem}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;line-height:1.25;letter-spacing:-.015em}
h1{font-size:clamp(1.85rem,4.1vw,2.9rem)}
h2{font-size:clamp(1.45rem,2.7vw,2.05rem)}
h3{font-size:1.08rem;line-height:1.42}
h4{font-size:.98rem}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}
.section{padding:78px 0;position:relative}
.section--tight{padding:56px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section--grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:var(--pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{font-size:1.05rem;color:#cbd5e1;max-width:64ch}
.section-head{max-width:780px;margin-bottom:34px}
.section-head p{font-size:1.02rem;margin-bottom:0}
.text-left{text-align:left}
.btn-neon,.btn-ghost,.btn-login,.btn-signup{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;border-radius:var(--pill);transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease}
.btn-neon{background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;padding:14px 30px;border:0;font-size:1rem;box-shadow:0 0 22px rgba(56,189,248,.42)}
.btn-neon:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.7);color:#030712}
.btn-neon:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:rgba(56,189,248,.07);color:var(--text);border:1px solid var(--line-strong);padding:13px 26px;font-size:.97rem}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#fff}
.btn-block{width:100%}
.tag{display:inline-flex;align-items:center;gap:7px;font-size:.75rem;font-weight:700;letter-spacing:.05em;padding:5px 12px;border-radius:var(--pill);background:rgba(56,189,248,.12);color:var(--holo);border:1px solid rgba(56,189,248,.28)}
.tag--gold{background:rgba(250,204,21,.12);color:var(--gold);border-color:rgba(250,204,21,.3)}
.tag--red{background:rgba(244,63,94,.12);color:#fb7185;border-color:rgba(244,63,94,.3)}
.pay-badge{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:700;letter-spacing:.04em;padding:5px 11px;border-radius:var(--pill);background:rgba(3,7,18,.7);border:1px solid rgba(56,189,248,.24);color:#cbd5e1}
/* HEADER */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;background:rgba(3,7,18,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(56,189,248,.14)}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;font-size:1.05rem;box-shadow:0 0 18px rgba(56,189,248,.5)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.98rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{position:relative;padding:9px 14px;border-radius:var(--pill);font-size:.9rem;font-weight:600;color:#cbd5e1;white-space:nowrap}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{padding:9px 16px;font-size:.88rem;color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{padding:10px 20px;font-size:.88rem;color:#04101f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.45)}
.btn-signup:hover{color:#030712;transform:translateY(-1px);box-shadow:0 0 28px rgba(56,189,248,.75)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);font-size:1rem}
/* HERO */
.cat-hero{
  position:relative;padding:130px 0 76px;overflow:hidden;
  background-image:linear-gradient(112deg,rgba(3,7,18,.97) 8%,rgba(3,7,18,.8) 46%,rgba(8,18,41,.93) 100%),url('/assets/images/120dccf6758dacd9.jpg');
  background-size:cover;background-position:center;
}
.cat-hero::after{content:"";position:absolute;right:-140px;top:-120px;width:560px;height:560px;background:radial-gradient(circle,rgba(37,99,235,.42),transparent 66%);pointer-events:none}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:44px;align-items:start}
.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:20px}
.hero h1 .hl{background:linear-gradient(120deg,#38BDF8,#60A5FA);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-pain{font-size:1rem;color:#e2e8f0;border-left:3px solid var(--danger);padding:4px 0 4px 14px;margin:0 0 22px;max-width:60ch}
.lead-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(12px)}
.lead-form .form-row{margin-bottom:14px}
.lead-form label{display:block;font-size:.82rem;font-weight:700;letter-spacing:.03em;color:#cbd5e1;margin-bottom:7px}
.lead-form input,.lead-form select{width:100%;padding:12px 14px;border-radius:var(--radius-sm);background:rgba(3,7,18,.72);border:1px solid rgba(56,189,248,.22);color:var(--text);font-size:.95rem;transition:border-color .2s ease,box-shadow .2s ease}
.lead-form input::placeholder{color:#64748b}
.lead-form input:focus,.lead-form select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-note{font-size:.78rem;color:var(--muted);margin:12px 0 0;text-align:center}
.form-ok{margin:12px 0 0;font-size:.85rem;color:#a5f3fc;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3);border-radius:var(--radius-sm);padding:10px 12px}
.hero-panel{background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.panel-media{position:relative}
.panel-media img{width:100%;height:210px;object-fit:cover}
.panel-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.1),rgba(3,7,18,.85))}
.panel-flag{position:absolute;left:16px;bottom:14px;z-index:2;font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;padding:6px 13px;border-radius:var(--pill);background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;box-shadow:0 0 18px rgba(56,189,248,.5)}
.panel-stats{padding:18px 22px 6px}
.panel-stats li{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.16);font-size:.92rem}
.panel-stats li:last-child{border-bottom:0}
.panel-stats span{color:var(--muted)}
.panel-stats b{color:#fff;font-weight:800}
.panel-pay{display:flex;flex-wrap:wrap;gap:8px;padding:14px 22px 22px}
/* PAIN */
.pain-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pain-item{display:flex;gap:16px;padding:22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease}
.pain-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.pain-num{font-size:1.1rem;font-weight:800;color:var(--danger);letter-spacing:.02em;flex-shrink:0;min-width:34px}
.pain-item h3{margin-bottom:8px}
.pain-item p{margin:0;color:#cbd5e1;font-size:.94rem}
/* SPLIT */
.split{display:grid;grid-template-columns:.92fr 1.08fr;gap:40px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;min-height:320px;object-fit:cover}
.split-media .tag{position:absolute;left:16px;top:16px;z-index:2}
.check-list{display:grid;gap:12px;margin-top:8px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:.96rem;color:#dbeafe}
.check-list li i{color:var(--ok);margin-top:4px;flex-shrink:0}
/* STEPS */
.step-list{display:grid;gap:16px}
.step-item{display:grid;grid-template-columns:64px 1fr;gap:20px;padding:22px;border-radius:var(--radius);background:linear-gradient(120deg,rgba(16,30,58,.86),rgba(8,18,41,.7));border:1px solid var(--line);transition:border-color .25s ease,box-shadow .25s ease}
.step-item:hover{border-color:var(--line-strong);box-shadow:var(--glow)}
.step-no{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-weight:800;font-size:1.1rem;color:#04101f;background:linear-gradient(135deg,#38BDF8,#2563EB);box-shadow:0 0 18px rgba(56,189,248,.45)}
.step-item h3{margin-bottom:6px}
.step-item p{margin:0;color:#cbd5e1;font-size:.94rem}
.step-time{display:inline-block;margin-top:10px;font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan)}
/* CHANNELS */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pay-card{padding:24px 22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;gap:12px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.pay-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.pay-card .pay-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);font-size:1.1rem}
.pay-card h3{margin:0;font-size:1.02rem}
.pay-card p{margin:0;font-size:.9rem;color:#cbd5e1}
.pay-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
.pay-meta span{font-size:.75rem;font-weight:700;color:#e2e8f0;background:rgba(3,7,18,.6);border:1px solid rgba(56,189,248,.2);border-radius:var(--pill);padding:4px 10px}
/* STATS */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.stat{padding:24px 22px;border-radius:var(--radius);background:linear-gradient(150deg,rgba(37,99,235,.22),rgba(8,18,41,.85));border:1px solid var(--line-strong)}
.stat b{display:block;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;line-height:1.1;background:linear-gradient(120deg,#38BDF8,#60A5FA);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:8px;font-size:.88rem;color:#cbd5e1}
.metric-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.metric-head{padding:16px 22px;background:rgba(56,189,248,.08);border-bottom:1px solid var(--line);font-weight:800;font-size:.95rem;letter-spacing:.02em}
.metric-row{display:grid;grid-template-columns:1.4fr 1fr;gap:16px;padding:15px 22px;border-bottom:1px solid rgba(56,189,248,.1);font-size:.94rem}
.metric-row:last-child{border-bottom:0}
.metric-row span{color:#cbd5e1}
.metric-row b{color:#fff;text-align:right;font-weight:700}
/* QUOTES */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{padding:26px 24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;gap:14px;transition:border-color .25s ease,transform .25s ease}
.quote:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.quote i.q-mark{color:var(--cyan);font-size:1.2rem}
.quote p{margin:0;font-size:.96rem;color:#e2e8f0}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-person img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid var(--line-strong)}
.quote-person b{display:block;font-size:.9rem}
.quote-person em{font-style:normal;font-size:.78rem;color:var(--muted)}
/* FIT */
.fit-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fit-item{display:flex;gap:14px;padding:20px 22px;border-radius:var(--radius);background:rgba(12,22,45,.6);border:1px solid var(--line);transition:border-color .25s ease}
.fit-item:hover{border-color:var(--line-strong)}
.fit-item i{color:var(--cyan);font-size:1.05rem;margin-top:4px;flex-shrink:0}
.fit-item h3{font-size:1rem;margin-bottom:6px}
.fit-item p{margin:0;font-size:.9rem;color:#cbd5e1}
/* POSTS */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{border-radius:var(--radius);overflow:hidden;background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.post-thumb{display:block;height:168px;background-size:cover;background-position:center;background-color:#0b1730;position:relative}
.post-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.15),rgba(3,7,18,.72))}
.post-card:nth-child(1) .post-thumb{background-image:url('/assets/images/81fbe22973300dc9.png')}
.post-card:nth-child(2) .post-thumb{background-image:url('/assets/images/2ad43188f31dd660.jpg')}
.post-card:nth-child(3) .post-thumb{background-image:url('/assets/images/5ef737e1c21ae02c.jpg')}
.post-card:nth-child(4) .post-thumb{background-image:url('/assets/images/0e9b399dece87d1e.png')}
.post-card:nth-child(5) .post-thumb{background-image:url('/assets/images/fdd0b4de487196f8.jpg')}
.post-card:nth-child(6) .post-thumb{background-image:url('/assets/images/961a465fb5840452.png')}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.post-meta time{font-size:.76rem;color:var(--muted)}
.post-body h3{margin:0;font-size:1rem}
.post-body h3 a{color:#fff}
.post-body h3 a:hover{color:var(--cyan)}
.post-body p{margin:0;font-size:.9rem;color:#cbd5e1}
.empty-note{margin:0;padding:22px;border-radius:var(--radius);border:1px dashed var(--line-strong);color:var(--muted);background:rgba(12,22,45,.5)}
/* FAQ */
.faq-list{max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--glow)}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:1rem;display:flex;justify-content:space-between;gap:14px;align-items:center;list-style:none}
.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 .25s ease;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;color:#cbd5e1;font-size:.94rem}
/* CTA BAND */
.cta-band{background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(8,18,41,.92));border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:38px 34px;display:grid;grid-template-columns:1.3fr auto;gap:26px;align-items:center;box-shadow:var(--glow)}
.cta-band h2{margin-bottom:10px;font-size:clamp(1.3rem,2.3vw,1.75rem)}
.cta-band p{margin:0;color:#cbd5e1;max-width:60ch}
.cta-actions{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.cta-note{font-size:.78rem;color:var(--muted)}
/* FOOTER */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.6),#020617);border-top:1px solid rgba(56,189,248,.14);padding:58px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-col h4{font-size:.86rem;letter-spacing:.12em;text-transform:uppercase;color:#e2e8f0;margin-bottom:16px}
.footer-col ul{display:grid;gap:9px}
.footer-col ul a{font-size:.9rem;color:#94a3b8}
.footer-col ul a:hover{color:var(--cyan)}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid rgba(56,189,248,.12);font-size:.82rem;color:var(--muted)}
.age-pill{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:var(--pill);border:1px solid rgba(244,63,94,.35);color:#fb7185;font-size:.76rem;font-weight:700}
/* FAB */
.fab{position:fixed;left:16px;bottom:96px;z-index:1040;display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:var(--pill);background:rgba(7,7,13,.84);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(56,189,248,.6);color:#fff;font-weight:700;font-size:.85rem;box-shadow:0 0 20px rgba(56,189,248,.45);opacity:.85;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease,color .25s ease}
.fab:hover{opacity:1;transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.75);color:#fff}
.fab:active{transform:scale(.96) translateY(0)}
.fab .fab-ico{color:var(--cyan);font-size:1.05rem;animation:fabPulse 2.6s ease-in-out infinite}
.fab .fab-dot{position:absolute;top:-2px;right:-2px;width:12px;height:12px;border-radius:50%;background:var(--danger);box-shadow:0 0 0 2px #030712;animation:dotPulse 1.7s ease-in-out infinite}
@keyframes fabPulse{0%,100%{opacity:.75}50%{opacity:1}}
@keyframes dotPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.25)}}
/* RESPONSIVE */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:28px}
  .pay-grid{grid-template-columns:1fr 1fr}
  .post-grid{grid-template-columns:1fr 1fr}
  .quote-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{position:fixed;top:74px;left:0;right:0;margin-left:0;flex-direction:column;align-items:stretch;gap:6px;padding:16px 20px 24px;background:rgba(3,7,18,.97);border-bottom:1px solid var(--line-strong);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);transform:translateY(-12px);opacity:0;visibility:hidden;transition:transform .25s ease,opacity .25s ease,visibility .25s ease}
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .main-nav a{padding:12px 14px;font-size:.95rem}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .cat-hero{padding:112px 0 58px}
  .pain-list{grid-template-columns:1fr}
  .fit-list{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
  .form-grid-2{grid-template-columns:1fr;gap:0}
  .cta-band{grid-template-columns:1fr;padding:30px 24px}
  .step-item{grid-template-columns:1fr;gap:14px}
  .brand-text em{display:none}
}
@media (max-width:600px){
  .header-inner{gap:10px;height:68px}
  .main-nav{top:68px}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:.92rem}
  .brand-text b{font-size:.8rem;max-width:120px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .btn-login{padding:7px 11px;font-size:.74rem}
  .btn-signup{padding:8px 13px;font-size:.74rem}
  .nav-toggle{width:36px;height:36px;border-radius:10px}
  .post-grid{grid-template-columns:1fr}
  .pay-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr}
  .metric-row{grid-template-columns:1fr;gap:4px}
  .metric-row b{text-align:left}
  .footer-grid{grid-template-columns:1fr}
  .fab{bottom:88px;padding:10px 15px;font-size:.8rem}
  .split-media img{min-height:220px}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1730;
  --surface:rgba(12,22,45,.72);
  --surface-2:rgba(16,30,58,.92);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --gold:#FACC15;
  --danger:#F43F5E;
  --ok:#22D3EE;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --pill:999px;
  --shadow:0 22px 50px -26px rgba(2,6,23,.95);
  --glow:0 0 24px rgba(56,189,248,.35);
  --glow-strong:0 0 36px rgba(37,99,235,.55);
  --shell:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,background .22s ease,opacity .22s ease}
a:hover{color:#7dd3fc}
button,input,select{font-family:inherit}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;letter-spacing:-.02em;line-height:1.26;color:#fff}
h1{font-size:clamp(1.85rem,3.6vw,2.85rem)}
h2{font-size:clamp(1.4rem,2.4vw,2rem)}
h3{font-size:1.1rem}
p{margin:0 0 14px;color:#cbd5e1}
ul{margin:0;padding:0;list-style:none}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}
.section{padding:78px 0;position:relative}
.section--tight{padding:52px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,.96));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section--grid::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.055) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
}
.section > .shell{position:relative;z-index:2}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:var(--pill);
  padding:6px 14px;margin-bottom:16px;
}
.lead{font-size:1.04rem;color:#cbd5e1;max-width:64ch}
.section-head{max-width:780px;margin-bottom:34px}
.section-head p{font-size:1rem}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.74rem;font-weight:700;letter-spacing:.04em;
  padding:5px 12px;border-radius:var(--pill);
  background:rgba(56,189,248,.12);color:var(--holo);border:1px solid rgba(56,189,248,.28);
}
.tag--gold{background:rgba(250,204,21,.12);color:var(--gold);border-color:rgba(250,204,21,.3)}
.tag--red{background:rgba(244,63,94,.12);color:#fb7185;border-color:rgba(244,63,94,.32)}
.tag--ok{background:rgba(34,211,238,.12);color:var(--ok);border-color:rgba(34,211,238,.32)}
.btn-neon,.btn-ghost,.btn-login,.btn-signup{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;border-radius:var(--pill);cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .2s ease;
}
.btn-neon{
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  color:#04101f;padding:14px 30px;border:0;font-size:1rem;
  box-shadow:0 0 22px rgba(56,189,248,.42);
}
.btn-neon:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.7);color:#030712}
.btn-neon:active{transform:translateY(0) scale(.98)}
.btn-neon:focus-visible,.btn-ghost:focus-visible,.btn-login:focus-visible,.btn-signup:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-ghost{
  background:rgba(56,189,248,.07);color:var(--text);
  border:1px solid var(--line-strong);padding:13px 26px;font-size:.95rem;
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#fff}
/* ===== HEADER ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.14);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#04101f;font-size:1.05rem;
  box-shadow:0 0 18px rgba(56,189,248,.5);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:.98rem;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;padding:9px 14px;border-radius:var(--pill);
  font-size:.9rem;font-weight:600;color:#cbd5e1;white-space:nowrap;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.1)}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);box-shadow:inset 0 0 0 1px rgba(56,189,248,.32)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{padding:9px 16px;font-size:.88rem;color:var(--cyan);border:1px solid rgba(56,189,248,.4);background:transparent}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{padding:10px 20px;font-size:.88rem;color:#04101f;background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.45)}
.btn-signup:hover{color:#030712;transform:translateY(-1px);box-shadow:0 0 28px rgba(56,189,248,.75)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);font-size:1rem;
}
/* ===== HERO ===== */
.hero{
  position:relative;padding:134px 0 72px;overflow:hidden;
  background-image:linear-gradient(115deg,rgba(3,7,18,.97) 10%,rgba(3,7,18,.8) 46%,rgba(8,18,41,.94) 100%),url('/assets/images/120dccf6758dacd9.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;left:52%;top:-200px;width:660px;height:660px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(37,99,235,.42),transparent 65%);pointer-events:none;
}
.hero .shell{position:relative;z-index:2}
.hero-top{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center}
.hero-badges{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:20px}
.hero h1{margin-bottom:18px}
.hero h1 .hl{background:linear-gradient(120deg,#38BDF8,#60A5FA);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.05rem;color:#cbd5e1;max-width:60ch;margin-bottom:24px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-note{font-size:.85rem;color:var(--muted);display:flex;align-items:center;gap:8px}
.hero-note i{color:var(--ok)}
.hero-visual{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--glow),var(--shadow);background:var(--surface-2);
}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual .hv-cap{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;font-size:.82rem;color:var(--muted);background:rgba(3,7,18,.7);
}
.hero-visual .hv-cap b{color:#fff;font-size:.86rem}
/* before / after */
.versus{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:44px}
.versus-card{
  position:relative;padding:26px 26px 22px;border-radius:var(--radius-lg);
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.versus-card.bad{border-color:rgba(244,63,94,.3)}
.versus-card.good{border-color:var(--line-strong);box-shadow:var(--glow)}
.versus-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.versus-head .vh-ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:1rem;flex-shrink:0;
}
.versus-card.bad .vh-ico{background:rgba(244,63,94,.14);color:#fb7185;border:1px solid rgba(244,63,94,.32)}
.versus-card.good .vh-ico{background:rgba(56,189,248,.14);color:var(--cyan);border:1px solid var(--line-strong)}
.versus-head b{display:block;font-size:1rem;color:#fff}
.versus-head span{font-size:.78rem;color:var(--muted)}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.16);
  font-size:.93rem;color:#cbd5e1;line-height:1.55;
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list i{margin-top:5px;font-size:.82rem;flex-shrink:0;color:var(--cyan)}
.check-list.bad i{color:#fb7185}
/* ===== STATS ===== */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  padding:22px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(16,30,58,.9),rgba(8,18,41,.72));
  border:1px solid var(--line);
}
.stat b{
  display:block;font-size:1.62rem;font-weight:800;line-height:1.2;margin-bottom:6px;
  background:linear-gradient(120deg,#38BDF8,#60A5FA);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{font-size:.86rem;color:var(--muted)}
/* ===== COMPARE (2 col) ===== */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.compare-col{padding:28px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface)}
.compare-col.is-bad{border-color:rgba(244,63,94,.26)}
.compare-col.is-good{border-color:var(--line-strong)}
.compare-col h3{display:flex;align-items:center;gap:10px}
.compare-col h3 i{font-size:.9rem}
.compare-col.is-bad h3 i{color:#fb7185}
.compare-col.is-good h3 i{color:var(--cyan)}
.compare-col p.small{font-size:.9rem;color:var(--muted);margin-bottom:8px}
/* ===== STEPS ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  position:relative;padding:26px 22px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(16,30,58,.9),rgba(3,7,18,.85));
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.step .num{
  display:inline-block;font-size:.74rem;font-weight:800;letter-spacing:.18em;
  color:var(--cyan);margin-bottom:12px;
}
.step h3{font-size:1.02rem;margin-bottom:8px}
.step p{font-size:.9rem;margin-bottom:0}
/* ===== FEATURES / SECURITY ===== */
.secure-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:40px;align-items:center}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:26px}
.feature{
  padding:22px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(16,30,58,.88),rgba(8,18,41,.7));
  transition:border-color .25s ease,transform .25s ease;
}
.feature:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.feature .ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);
  font-size:1rem;margin-bottom:14px;
}
.feature h3{font-size:1rem;margin-bottom:6px}
.feature p{font-size:.88rem;margin-bottom:0}
.secure-visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.secure-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
/* ===== PAYMENTS ===== */
.pay-list{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);overflow:hidden}
.pay-row{
  display:grid;grid-template-columns:1.25fr 1fr 1fr .8fr;gap:16px;align-items:center;
  padding:18px 24px;border-bottom:1px solid rgba(56,189,248,.12);
  transition:background .22s ease;
}
.pay-row:last-child{border-bottom:0}
.pay-row:hover{background:rgba(56,189,248,.06)}
.pay-name{display:flex;align-items:center;gap:12px;font-weight:700;color:#fff;font-size:.96rem}
.pay-ico{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;flex-shrink:0;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);font-size:.9rem;
}
.pay-cell b{display:block;font-size:.94rem;color:#fff}
.pay-cell span{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.pay-foot{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding:16px 24px;background:rgba(56,189,248,.06);font-size:.85rem;color:var(--muted);
}
.pay-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-weight:700;
  padding:5px 11px;border-radius:var(--pill);
  background:rgba(56,189,248,.1);border:1px solid var(--line);color:#cbd5e1;
}
/* ===== CATEGORY MATRIX ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  display:block;padding:26px;border-radius:var(--radius-lg);
  border:1px solid var(--line);background:var(--surface);color:var(--text);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:var(--glow);color:#fff}
.cat-card .cat-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);font-size:1.05rem;
}
.cat-card h3{margin-bottom:8px}
.cat-card p{font-size:.9rem;color:#cbd5e1;margin-bottom:14px}
.cat-card .cat-more{font-size:.84rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
.cat-card.is-current{border-color:var(--line-strong);box-shadow:var(--glow)}
/* ===== FAQ ===== */
.faq-wrap{max-width:900px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-weight:700;font-size:.98rem;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);transition:transform .25s ease;font-size:.85rem;flex-shrink:0}
.faq-item[open] summary{color:var(--cyan)}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-body{padding:0 22px 20px;font-size:.94rem;color:#cbd5e1}
/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;text-align:center;
  padding:48px 30px;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(125deg,rgba(37,99,235,.28),rgba(8,18,41,.96) 62%);
  box-shadow:var(--glow-strong);
}
.cta-band h2{max-width:760px;margin-left:auto;margin-right:auto}
.cta-band p{max-width:640px;margin-left:auto;margin-right:auto}
.cta-form{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
  max-width:640px;margin:22px auto 12px;
}
.cta-form input{
  flex:1 1 260px;min-width:0;padding:14px 18px;border-radius:var(--pill);
  background:rgba(3,7,18,.7);border:1px solid var(--line-strong);color:#fff;font-size:.95rem;
}
.cta-form input::placeholder{color:#64748b}
.cta-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.2)}
.cta-hint{font-size:.82rem;color:var(--muted)}
/* ===== NEWS ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  background:var(--surface);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-card h3{font-size:1.02rem;margin-bottom:10px;line-height:1.45}
.news-card h3 a{color:#fff}
.news-card h3 a:hover{color:var(--cyan)}
.news-card p{font-size:.9rem;margin-bottom:14px}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.news-meta i{color:var(--cyan);margin-right:5px}
.empty-note{
  padding:22px 24px;border-radius:var(--radius);
  border:1px dashed var(--line-strong);background:rgba(56,189,248,.05);
  color:#cbd5e1;font-size:.94rem;margin:0;
}
/* ===== FOOTER ===== */
.site-footer{
  background:linear-gradient(180deg,rgba(8,18,41,.9),rgba(3,7,18,1));
  border-top:1px solid rgba(56,189,248,.14);
  padding:56px 0 26px;position:relative;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-col h4{font-size:.92rem;letter-spacing:.02em;margin-bottom:14px;color:#fff}
.footer-col ul li{margin-bottom:9px}
.footer-col ul li a{font-size:.89rem;color:#94a3b8}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:.82rem;color:#64748b;
}
.age-pill{
  display:inline-flex;align-items:center;gap:7px;font-size:.76rem;font-weight:700;
  padding:5px 12px;border-radius:var(--pill);
  background:rgba(244,63,94,.12);border:1px solid rgba(244,63,94,.3);color:#fb7185;
}
/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:12px 20px;border-radius:var(--pill);
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.6);
  color:#e2e8f0;font-weight:700;font-size:.84rem;letter-spacing:.02em;
  opacity:.85;animation:fabPulse 3s ease-in-out infinite;
  transition:transform .22s ease,opacity .22s ease,color .22s ease;
}
.fab:hover{opacity:1;color:#fff;transform:translateY(-3px) scale(1.03)}
.fab:active{transform:scale(.96)}
.fab i{color:var(--cyan);font-size:1.05rem;animation:fabFlicker 2.4s infinite}
.fab .dot{
  position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;
  background:var(--danger);box-shadow:0 0 0 2px #030712;animation:blink 1.4s infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35)}
  50%{box-shadow:0 0 30px rgba(37,99,235,.7)}
}
@keyframes fabFlicker{0%,100%{opacity:1}48%{opacity:1}50%{opacity:.45}52%{opacity:1}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .hero-top{grid-template-columns:1fr;gap:32px}
  .hero{padding:118px 0 60px}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .secure-grid{grid-template-columns:1fr;gap:28px}
  .cat-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .main-nav{
    position:fixed;top:74px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    gap:4px;margin-left:0;padding:16px 20px 22px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    box-shadow:0 26px 40px -26px rgba(2,6,23,.95);
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;border-radius:12px}
  .nav-toggle{display:grid;place-items:center}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section--tight{padding:40px 0}
  .compare-grid{grid-template-columns:1fr}
  .versus{grid-template-columns:1fr;margin-top:32px}
  .feature-grid{grid-template-columns:1fr}
  .pay-row{grid-template-columns:1fr 1fr;row-gap:12px}
  .header-inner{height:68px;gap:10px}
  .brand-text b{font-size:.84rem}
  .brand-text em{display:none}
  .btn-login{padding:7px 11px;font-size:.76rem}
  .btn-signup{padding:8px 13px;font-size:.76rem}
  .header-actions{gap:6px}
  .main-nav{top:68px}
  .cta-band{padding:36px 20px}
  .fab{bottom:88px;padding:12px 16px;font-size:.78rem}
}
@media (max-width:520px){
  .stat-row{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .pay-row{grid-template-columns:1fr;padding:16px 18px}
  .brand-mark{width:36px;height:36px;font-size:.95rem}
  .hero h1{font-size:1.62rem}
  .hero{padding:106px 0 52px}
  .cta-form input{flex:1 1 100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:430px){
  .brand-text{display:none}
  .btn-login{padding:7px 9px;font-size:.72rem}
  .btn-signup{padding:8px 11px;font-size:.72rem}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}