/* roulang page: index */
:root{
  --bg:#05100c;
  --bg-2:#08170f;
  --bg-3:#0c2016;
  --panel:#0e2519;
  --gold:#f59e0b;
  --gold-2:#fcd34d;
  --gold-soft:rgba(245,158,11,.32);
  --red:#dc2626;
  --green:#10b981;
  --text:#f8fafc;
  --text-dim:#c7d8cd;
  --text-mute:#8fa79a;
  --border:rgba(245,158,11,.22);
  --border-soft:rgba(255,255,255,.08);
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 14px 40px rgba(0,0,0,.5);
  --shadow-gold:0 10px 30px rgba(245,158,11,.22);
  --container:1220px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(245,158,11,.10),transparent 60%),
    radial-gradient(900px 500px at -10% 10%,rgba(16,185,129,.08),transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:3px;border-radius:6px}

.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--tight{padding:44px 0}
.band{background:linear-gradient(180deg,rgba(245,158,11,.05),rgba(245,158,11,0))}
.band-2{background:linear-gradient(180deg,var(--bg-2),var(--bg))}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;
  color:var(--gold-2);
  border:1px solid var(--border);
  background:rgba(245,158,11,.07);
  padding:6px 12px;border-radius:999px;
}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);margin-top:14px}
.section-head p{color:var(--text-dim);margin-top:12px;font-size:16.5px}
.section-head .accent{color:var(--gold-2)}

.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,16,12,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;line-height:1.15}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-size:19px;
  background:linear-gradient(140deg,var(--gold),#b45309);
  color:#03130b;box-shadow:var(--shadow-gold);
}
.logo-text{display:flex;flex-direction:column}
.logo-text small{font-size:10.5px;font-weight:600;color:var(--text-mute);letter-spacing:.08em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  font-size:14.5px;font-weight:600;color:var(--text-dim);
  padding:9px 13px;border-radius:10px;transition:.2s;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--gold-2);background:rgba(245,158,11,.09)}
.main-nav a.active{color:#03130b;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-weight:700;font-size:14.5px;cursor:pointer;transition:.22s;
  white-space:nowrap;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#03130b;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(245,158,11,.34)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{border-color:var(--gold-soft);color:var(--gold-2);background:rgba(245,158,11,.06)}
.btn-ghost:hover{background:rgba(245,158,11,.15);border-color:var(--gold)}
.btn-line{border-color:var(--border-soft);color:var(--text-dim)}
.btn-line:hover{border-color:var(--gold-soft);color:var(--gold-2)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.nav-toggle{
  display:none;margin-left:auto;
  background:rgba(245,158,11,.1);border:1px solid var(--border);
  color:var(--gold-2);width:44px;height:44px;border-radius:11px;cursor:pointer;font-size:18px;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:70px 0 62px;
  border-bottom:1px solid var(--border-soft);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/13ccca4e17aa3611.jpg') center/cover no-repeat;
  opacity:.26;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,16,12,.96) 0%,rgba(5,16,12,.82) 45%,rgba(8,23,15,.62) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center}
.hero h1{
  font-size:clamp(28px,4.3vw,48px);
  font-weight:900;margin:18px 0 0;
  text-wrap:balance;
}
.hero h1 .hl{color:var(--gold-2)}
.hero-sub{color:var(--text-dim);font-size:16.5px;margin-top:18px;max-width:660px;line-height:1.7}
.hero-points{margin-top:24px;display:grid;gap:12px}
.hero-points li{display:flex;gap:11px;align-items:flex-start;color:var(--text-dim);font-size:15px}
.hero-points i{color:var(--gold-2);margin-top:5px;font-size:13px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;
}
.trust-bar span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--text-dim);
  border:1px solid var(--border-soft);border-radius:999px;
  padding:7px 13px;background:rgba(255,255,255,.02);
}
.trust-bar i{color:var(--green)}

.hero-panel{
  background:linear-gradient(160deg,rgba(14,37,25,.95),rgba(8,23,15,.92));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.hero-panel h3{font-size:15px;text-transform:uppercase;letter-spacing:.1em;color:var(--gold-2);font-weight:700}
.kpi-list{margin-top:18px;display:grid;gap:1px;background:var(--border-soft);border-radius:12px;overflow:hidden}
.kpi{background:rgba(5,16,12,.72);padding:15px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.kpi b{font-size:20px;color:var(--gold-2);font-weight:800}
.kpi span{font-size:13.5px;color:var(--text-mute)}
.hero-panel .now{margin-top:16px;font-size:13.5px;color:var(--text-dim);display:flex;align-items:center;gap:8px}
.dot-live{width:9px;height:9px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(220,38,38,.22);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- Cards ---------- */
.card{
  background:linear-gradient(160deg,rgba(14,37,25,.86),rgba(8,23,15,.9));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:22px;transition:.25s;
}
.card:hover{border-color:var(--gold-soft);transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3{font-size:17.5px;margin-top:0;margin-bottom:10px}
.card p{color:var(--text-dim);font-size:14.6px}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(245,158,11,.12);color:var(--gold-2);font-size:18px;margin-bottom:14px;
  border:1px solid var(--border);
}
.tag{
  display:inline-block;font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;
  padding:4px 10px;border-radius:999px;background:rgba(245,158,11,.14);color:var(--gold-2);
  border:1px solid var(--border);
}
.tag-red{background:rgba(220,38,38,.16);color:#fca5a5;border-color:rgba(220,38,38,.35)}
.tag-green{background:rgba(16,185,129,.14);color:#6ee7b7;border-color:rgba(16,185,129,.3)}

.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
  text-align:left;padding:22px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(245,158,11,.09),rgba(8,23,15,.6));
  border:1px solid var(--border);
}
.stat b{display:block;font-size:30px;font-weight:900;color:var(--gold-2);line-height:1.1}
.stat span{display:block;font-size:13.5px;color:var(--text-mute);margin-top:8px}

/* ---------- Layout: main content + sidebar ---------- */
.split{display:grid;grid-template-columns:1.6fr 1fr;gap:38px;align-items:start}

.post-list{display:grid;gap:20px}
.post{
  display:grid;grid-template-columns:190px 1fr;gap:20px;
  background:linear-gradient(150deg,rgba(14,37,25,.72),rgba(8,23,15,.72));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:16px;transition:.25s;
}
.post:hover{border-color:var(--gold-soft);box-shadow:var(--shadow)}
.post-thumb{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:16/11;background:var(--bg-3)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.post:hover .post-thumb img{transform:scale(1.06)}
.post-body{display:flex;flex-direction:column;gap:9px}
.post-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--text-mute)}
.post h3{font-size:17px}
.post h3 a:hover{color:var(--gold-2)}
.post p{font-size:14.4px;color:var(--text-dim)}
.post .more{font-size:13.5px;color:var(--gold-2);font-weight:700;display:inline-flex;gap:7px;align-items:center;margin-top:auto}

.side-box{
  background:linear-gradient(160deg,rgba(14,37,25,.9),rgba(8,23,15,.9));
  border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;
}
.side-box+.side-box{margin-top:22px}
.side-box h3{font-size:15.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--gold-2)}
.rank-list{margin-top:16px;display:grid;gap:2px}
.rank{display:flex;gap:13px;align-items:center;padding:12px 0;border-bottom:1px dashed var(--border-soft)}
.rank:last-child{border-bottom:0}
.rank b{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;background:rgba(245,158,11,.14);color:var(--gold-2);border:1px solid var(--border);
}
.rank a{font-size:14.4px;font-weight:600;color:var(--text-dim);line-height:1.4}
.rank a:hover{color:var(--gold-2)}

/* ---------- Feature strip ---------- */
.strip{
  background:linear-gradient(90deg,rgba(245,158,11,.14),rgba(16,185,129,.08));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px 28px;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;
}
.strip h2{font-size:clamp(19px,2.6vw,26px)}
.strip p{color:var(--text-dim);font-size:14.8px;margin-top:9px;max-width:620px}

/* ---------- Matrix / channel ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.matrix a{
  padding:22px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(14,37,25,.9),rgba(8,23,15,.9));
  border:1px solid var(--border);transition:.25s;
}
.matrix a:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:var(--shadow-gold)}
.matrix .icon{font-size:22px;color:var(--gold-2);margin-bottom:12px}
.matrix h3{font-size:16.5px}
.matrix p{font-size:14px;color:var(--text-dim);margin-top:9px}
.matrix .go{display:inline-flex;gap:7px;align-items:center;color:var(--gold-2);font-size:13.4px;font-weight:700;margin-top:14px}

/* ---------- Timeline ---------- */
.timeline{margin-top:8px;display:grid;gap:0;position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold),transparent)}
.tl-item{position:relative;padding:0 0 26px}
.tl-item::before{content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--gold)}
.tl-item h3{font-size:16px}
.tl-item span{font-size:12.6px;color:var(--gold-2);font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.tl-item p{font-size:14.4px;color:var(--text-dim);margin-top:8px}

/* ---------- Table-ish updates ---------- */
.updates{display:grid;gap:1px;background:var(--border-soft);border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden}
.update-row{background:rgba(5,16,12,.7);padding:16px 20px;display:grid;grid-template-columns:1fr auto auto;gap:16px;align-items:center}
.update-row strong{font-size:15px}
.update-row span{font-size:13px;color:var(--text-mute)}
.update-row .tag{justify-self:end}

/* ---------- Reviews ---------- */
.review{
  background:linear-gradient(160deg,rgba(14,37,25,.8),rgba(8,23,15,.8));
  border:1px solid var(--border-soft);border-radius:var(--radius);padding:22px;
}
.review .stars{color:var(--gold-2);font-size:13px;margin-bottom:12px;letter-spacing:2px}
.review p{font-size:14.6px;color:var(--text-dim)}
.review .who{margin-top:16px;display:flex;gap:11px;align-items:center;font-size:13.4px;color:var(--text-mute)}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;background:rgba(245,158,11,.16);color:var(--gold-2);border:1px solid var(--border)}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq details{
  background:linear-gradient(160deg,rgba(14,37,25,.72),rgba(8,23,15,.72));
  border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:0;
}
.faq summary{
  cursor:pointer;padding:18px 20px;font-weight:700;font-size:15.6px;
  display:flex;justify-content:space-between;gap:16px;align-items:center;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--gold-2);transition:.25s}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq details[open]{border-color:var(--gold-soft)}
.faq .ans{padding:0 20px 20px;color:var(--text-dim);font-size:14.6px}

/* ---------- CTA ---------- */
.cta-final{
  background:
    radial-gradient(600px 300px at 85% 20%,rgba(245,158,11,.2),transparent 60%),
    linear-gradient(140deg,rgba(14,37,25,.96),rgba(8,23,15,.96));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:40px;display:grid;grid-template-columns:1.4fr 1fr;gap:34px;align-items:center;
}
.cta-final h2{font-size:clamp(22px,3.2vw,32px)}
.cta-final p{color:var(--text-dim);margin-top:14px;font-size:15.4px}
.form-box{display:grid;gap:12px}
.form-box input{
  width:100%;padding:14px 16px;border-radius:12px;border:1px solid var(--border-soft);
  background:rgba(5,16,12,.7);color:var(--text);
}
.form-box input::placeholder{color:var(--text-mute)}
.form-box input:focus{border-color:var(--gold);outline:none}
.form-note{font-size:12.6px;color:var(--text-mute)}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:20px;
  background:linear-gradient(180deg,var(--bg-2),#040c08);
  border-top:1px solid var(--border-soft);
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-grid h4{font-size:14.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--gold-2);margin-bottom:16px}
.footer-grid p,.footer-grid a{font-size:14.2px;color:var(--text-mute)}
.footer-grid li{margin-bottom:10px}
.footer-grid a:hover{color:var(--gold-2)}
.footer-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  border:1px solid var(--border);border-radius:999px;padding:7px 13px;color:var(--gold-2);
  background:rgba(245,158,11,.07);margin:14px 8px 0 0;
}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--border-soft);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-mute);
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:18px;bottom:96px;z-index:70;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:20px;
  background:linear-gradient(150deg,var(--gold-2),#b45309);color:#03130b;
  border:2px solid var(--gold);box-shadow:0 10px 28px rgba(245,158,11,.4);
  opacity:.85;transition:.25s;animation:float 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1)}
.fab:active{transform:scale(.94)}
.fab .badge{position:absolute;top:-2px;right:-2px;width:13px;height:13px;border-radius:50%;background:var(--red);border:2px solid #fff}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .split{grid-template-columns:1fr;gap:30px}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-final{grid-template-columns:1fr;padding:32px}
  .main-nav{
    display:none;position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(5,16,12,.98);border-bottom:1px solid var(--border);
    padding:14px 20px 20px;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px}
  .nav-toggle{display:block}
  .header-actions{margin-left:0}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .post{grid-template-columns:150px 1fr}
  .update-row{grid-template-columns:1fr;gap:8px}
  .update-row .tag{justify-self:start}
  .hero{padding:52px 0 46px}
  .logo-text small{display:none}
}
@media (max-width:520px){
  .post{grid-template-columns:1fr}
  .matrix,.grid-4,.stats-row,.footer-grid{grid-template-columns:1fr}
  .header-inner{flex-wrap:wrap;min-height:64px;padding:10px 0}
  .header-actions .btn-line{display:none}
  .strip{padding:22px}
  .cta-final{padding:24px}
  .fab{left:14px;bottom:92px;width:52px;height:52px;font-size:18px}
  .hero-cta .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --bg:#05100c;
  --bg-2:#08170f;
  --bg-3:#0c2016;
  --panel:#0e2519;
  --gold:#f59e0b;
  --gold-2:#fcd34d;
  --gold-soft:rgba(245,158,11,.32);
  --red:#dc2626;
  --green:#10b981;
  --text:#f8fafc;
  --text-dim:#c7d8cd;
  --text-mute:#8fa79a;
  --border:rgba(245,158,11,.22);
  --border-soft:rgba(255,255,255,.08);
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 14px 40px rgba(0,0,0,.5);
  --shadow-gold:0 10px 30px rgba(245,158,11,.22);
  --container:1220px;
  --gap:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(245,158,11,.10),transparent 60%),
    radial-gradient(900px 500px at -10% 10%,rgba(16,185,129,.08),transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{line-height:1.25;margin:0}
p{margin:0}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--tight{padding:44px 0}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;
  color:var(--gold-2);
  border:1px solid var(--border);
  background:rgba(245,158,11,.07);
  padding:6px 12px;border-radius:999px;
}
.section-head{max-width:780px;margin-bottom:32px}
.section-head h2{font-size:clamp(23px,3.2vw,34px);margin-top:14px}
.section-head p{color:var(--text-dim);margin-top:12px;font-size:16.5px}
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
/* Header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,16,12,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;line-height:1.15}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-size:19px;
  background:linear-gradient(140deg,var(--gold),#b45309);
  color:#03130b;box-shadow:var(--shadow-gold);
}
.logo-text{display:flex;flex-direction:column}
.logo-text small{font-size:10.5px;font-weight:600;color:var(--text-mute);letter-spacing:.08em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  font-size:14.5px;font-weight:600;color:var(--text-dim);
  padding:9px 13px;border-radius:10px;transition:.2s;white-space:nowrap;
}
.main-nav a:hover{color:var(--gold-2);background:rgba(245,158,11,.09)}
.main-nav a.active{color:#03130b;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-weight:700;font-size:14.5px;cursor:pointer;transition:.22s;white-space:nowrap;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#03130b;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(245,158,11,.34)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{border-color:var(--gold-soft);color:var(--gold-2);background:rgba(245,158,11,.06)}
.btn-ghost:hover{background:rgba(245,158,11,.15);border-color:var(--gold)}
.btn-line{border-color:var(--border-soft);color:var(--text-dim)}
.btn-line:hover{border-color:var(--gold-soft);color:var(--gold-2)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.nav-toggle{
  display:none;margin-left:auto;
  background:rgba(245,158,11,.1);border:1px solid var(--border);
  color:var(--gold-2);width:44px;height:44px;border-radius:11px;cursor:pointer;font-size:18px;
}
/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:66px 0 58px;
  border-bottom:1px solid var(--border-soft);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/13ccca4e17aa3611.jpg') center/cover no-repeat;
  opacity:.24;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,16,12,.97) 0%,rgba(5,16,12,.84) 45%,rgba(8,23,15,.6) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr 1fr;gap:44px;align-items:center}
.hero h1{font-size:clamp(27px,4.2vw,46px);font-weight:900;margin-top:18px;text-wrap:balance}
.hero h1 .hl{color:var(--gold-2)}
.hero-sub{color:var(--text-dim);font-size:16.5px;margin-top:18px;max-width:660px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-panel{
  background:linear-gradient(160deg,rgba(14,37,25,.95),rgba(8,23,15,.92));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);
}
.hero-panel h3{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--gold-2);font-weight:700;margin-bottom:16px}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.quick-item{
  border:1px solid var(--border-soft);border-radius:var(--radius-sm);
  padding:14px;background:rgba(255,255,255,.02);transition:.2s;
}
.quick-item:hover{border-color:var(--gold-soft);background:rgba(245,158,11,.06)}
.quick-item i{color:var(--gold-2);font-size:16px}
.quick-item span{display:block;font-size:13.5px;color:var(--text-dim);margin-top:8px}
.quick-item strong{display:block;font-size:15px;color:var(--text);margin-top:2px}
/* Cards */
.card{
  background:linear-gradient(160deg,rgba(14,37,25,.86),rgba(8,23,15,.9));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:22px;transition:.25s;
}
.card:hover{border-color:var(--gold-soft);transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{color:var(--text-dim);font-size:14.6px}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(245,158,11,.12);color:var(--gold-2);font-size:18px;margin-bottom:14px;
  border:1px solid var(--border);
}
/* Stat band */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--border-soft);border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden}
.stat{background:var(--bg-2);padding:24px 20px;text-align:left}
.stat b{display:block;font-size:clamp(22px,3vw,30px);font-weight:900;color:var(--gold-2)}
.stat span{font-size:13.5px;color:var(--text-dim);margin-top:6px;display:block}
/* Tag */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:5px 10px;border-radius:999px;
  background:rgba(245,158,11,.12);color:var(--gold-2);border:1px solid var(--border);
}
.tag-red{background:rgba(220,38,38,.14);color:#fca5a5;border-color:rgba(220,38,38,.35)}
.tag-green{background:rgba(16,185,129,.14);color:#6ee7b7;border-color:rgba(16,185,129,.32)}
/* Feature split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.split-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split-media .badge-float{
  position:absolute;left:16px;bottom:16px;
  background:rgba(3,19,11,.86);border:1px solid var(--border);
  border-radius:12px;padding:10px 14px;font-size:13px;color:var(--gold-2);font-weight:700;
  backdrop-filter:blur(8px);
}
.check-list{display:grid;gap:12px;margin-top:22px}
.check-list li{display:flex;gap:11px;align-items:flex-start;color:var(--text-dim);font-size:15px}
.check-list i{color:var(--gold-2);margin-top:5px;font-size:13px}
/* Steps */
.steps{counter-reset:step;display:grid;gap:16px}
.step{
  display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;
  border:1px solid var(--border-soft);border-radius:var(--radius);padding:20px;
  background:rgba(255,255,255,.015);
}
.step:before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-weight:900;font-size:17px;color:#03130b;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{color:var(--text-dim);font-size:14.6px}
/* Table */
.table-wrap{border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:14.6px}
thead{background:rgba(245,158,11,.09)}
th,td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border-soft)}
th{color:var(--gold-2);font-weight:700;font-size:13.5px;text-transform:uppercase;letter-spacing:.06em}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(245,158,11,.04)}
td strong{color:var(--text)}
/* Content list */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.post{
  border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(180deg,rgba(14,37,25,.7),rgba(8,23,15,.9));
  display:flex;flex-direction:column;transition:.25s;
}
.post:hover{transform:translateY(-4px);border-color:var(--gold-soft);box-shadow:var(--shadow)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-3)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.post:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:16px;line-height:1.4}
.post-body p{font-size:14px;color:var(--text-dim)}
.post-meta{display:flex;gap:12px;font-size:12.5px;color:var(--text-mute);align-items:center;flex-wrap:wrap}
.empty-note{color:var(--text-dim);border:1px dashed var(--border);border-radius:var(--radius);padding:26px;text-align:left}
/* FAQ */
.faq{display:grid;gap:12px}
.faq details{
  border:1px solid var(--border-soft);border-radius:var(--radius);
  background:rgba(255,255,255,.015);padding:16px 20px;transition:.2s;
}
.faq details[open]{border-color:var(--gold-soft);background:rgba(245,158,11,.05)}
.faq summary{
  cursor:pointer;font-weight:700;font-size:16px;color:var(--text);
  list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--gold-2);font-size:13px}
.faq details[open] summary:after{content:"\f068"}
.faq p{color:var(--text-dim);font-size:14.8px;margin-top:12px}
/* CTA */
.cta-band{
  border:1px solid var(--border);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(14,37,25,.96),rgba(8,23,15,.9));
  padding:36px;display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,3vw,30px)}
.cta-band p{color:var(--text-dim);margin-top:12px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.notice{font-size:13.5px;color:var(--text-mute);margin-top:16px}
/* Footer */
.site-footer{
  border-top:1px solid var(--border);background:linear-gradient(180deg,rgba(5,16,12,.6),rgba(3,12,8,.95));
  padding:54px 0 0;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.site-footer h4{font-size:14px;text-transform:uppercase;letter-spacing:.09em;color:var(--gold-2);margin-bottom:16px}
.site-footer p{color:var(--text-dim);font-size:14.4px;margin-top:14px}
.site-footer ul li{margin-bottom:10px;font-size:14.4px;color:var(--text-dim)}
.site-footer ul li a:hover{color:var(--gold-2)}
.site-footer ul li i{color:var(--gold-2);margin-right:8px;font-size:13px}
.footer-badge{
  display:inline-flex;align-items:center;gap:7px;margin:12px 8px 0 0;
  font-size:12.5px;color:var(--text-dim);
  border:1px solid var(--border-soft);border-radius:999px;padding:6px 12px;
}
.footer-badge i{color:var(--gold-2)}
.footer-bottom{
  margin-top:40px;border-top:1px solid var(--border-soft);
  padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-mute);
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:21px;color:#03130b;
  background:linear-gradient(140deg,var(--gold-2),var(--gold));
  border:2px solid rgba(255,255,255,.28);
  box-shadow:0 8px 26px rgba(245,158,11,.4);
  opacity:.85;animation:fabFloat 3s ease-in-out infinite;transition:.25s;
}
.fab:hover{opacity:1;transform:scale(1.1)}
.fab:after{
  content:"";position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 2px #05100c;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* Responsive */
@media (max-width:1024px){
  .hero-inner,.split,.cta-band{grid-template-columns:1fr}
  .grid-4,.post-grid{grid-template-columns:repeat(2,1fr)}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-toggle{display:grid;place-items:center}
  .main-nav{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(5,16,12,.98);border-bottom:1px solid var(--border);
    padding:12px 16px 18px;display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px;font-size:15px}
  .header-actions{margin-left:0}
  .header-actions .btn{padding:9px 12px;font-size:13px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .section{padding:48px 0}
  .cta-band{padding:26px}
}
@media (max-width:520px){
  .grid-4,.post-grid,.stat-band,.quick-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .header-inner{gap:10px}
  .logo-text small{display:none}
  .logo{font-size:14.5px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
  --bg:#05100c;
  --bg-2:#08170f;
  --bg-3:#0c2016;
  --panel:#0e2519;
  --gold:#f59e0b;
  --gold-2:#fcd34d;
  --gold-soft:rgba(245,158,11,.32);
  --red:#dc2626;
  --green:#10b981;
  --text:#f8fafc;
  --text-dim:#c7d8cd;
  --text-mute:#8fa79a;
  --border:rgba(245,158,11,.22);
  --border-soft:rgba(255,255,255,.08);
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 14px 40px rgba(0,0,0,.5);
  --shadow-gold:0 10px 30px rgba(245,158,11,.22);
  --container:1220px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(245,158,11,.10),transparent 60%),
    radial-gradient(900px 500px at -10% 10%,rgba(16,185,129,.08),transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold-2);outline-offset:2px;border-radius:4px}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--tight{padding:44px 0}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;
  color:var(--gold-2);
  border:1px solid var(--border);
  background:rgba(245,158,11,.07);
  padding:6px 12px;border-radius:999px;
}
.section-head{max-width:780px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3.4vw,34px);margin-top:14px}
.section-head p{color:var(--text-dim);margin-top:12px;font-size:16.5px}
.section-head .accent{color:var(--gold-2)}
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,16,12,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;line-height:1.15}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-size:19px;
  background:linear-gradient(140deg,var(--gold),#b45309);
  color:#03130b;box-shadow:var(--shadow-gold);
}
.logo-text{display:flex;flex-direction:column}
.logo-text small{font-size:10.5px;font-weight:600;color:var(--text-mute);letter-spacing:.08em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  font-size:14.5px;font-weight:600;color:var(--text-dim);
  padding:9px 13px;border-radius:10px;transition:.2s;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--gold-2);background:rgba(245,158,11,.09)}
.main-nav a.active{color:#03130b;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-weight:700;font-size:14.5px;cursor:pointer;transition:.22s;
  white-space:nowrap;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#03130b;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(245,158,11,.34)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{border-color:var(--gold-soft);color:var(--gold-2);background:rgba(245,158,11,.06)}
.btn-ghost:hover{background:rgba(245,158,11,.15);border-color:var(--gold)}
.btn-line{border-color:var(--border-soft);color:var(--text-dim)}
.btn-line:hover{border-color:var(--gold-soft);color:var(--gold-2)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.nav-toggle{
  display:none;margin-left:auto;
  background:rgba(245,158,11,.1);border:1px solid var(--border);
  color:var(--gold-2);width:44px;height:44px;border-radius:11px;cursor:pointer;font-size:18px;
}

/* ---------- Article layout ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:56px 0 44px;
  border-bottom:1px solid var(--border-soft);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/13ccca4e17aa3611.jpg') center/cover no-repeat;
  opacity:.2;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,16,12,.97) 0%,rgba(5,16,12,.85) 50%,rgba(8,23,15,.7) 100%);
}
.article-hero .container{position:relative;z-index:2}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-mute);margin-bottom:18px}
.breadcrumbs a{color:var(--text-dim);transition:.2s}
.breadcrumbs a:hover{color:var(--gold-2)}
.breadcrumbs i{font-size:10px;color:var(--text-mute)}
.article-hero h1{
  font-size:clamp(25px,3.7vw,42px);
  font-weight:900;max-width:960px;text-wrap:balance;
}
.article-hero h1 .hl{color:var(--gold-2)}
.article-lead{color:var(--text-dim);font-size:16.5px;margin-top:18px;max-width:820px}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;
}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--text-dim);
  border:1px solid var(--border-soft);background:rgba(255,255,255,.03);
  padding:7px 13px;border-radius:999px;
}
.meta-chip i{color:var(--gold-2);font-size:12px}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 330px;
  gap:40px;
  align-items:start;
  padding:52px 0 64px;
}
.article-body{
  background:linear-gradient(160deg,rgba(14,37,25,.6),rgba(8,23,15,.72));
  border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);
  padding:34px 34px 30px;
}
.article-body h2{
  font-size:clamp(21px,2.6vw,27px);
  margin:34px 0 14px;
  padding-left:16px;
  border-left:4px solid var(--gold);
  color:var(--text);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{
  font-size:clamp(18px,2.1vw,21px);
  margin:26px 0 12px;
  color:var(--gold-2);
}
.article-body p{
  color:var(--text-dim);
  font-size:16px;
  margin:14px 0;
  line-height:1.72;
}
.article-body ul,.article-body ol{margin:16px 0;padding-left:0}
.article-body ul li,.article-body ol li{
  color:var(--text-dim);
  font-size:15.6px;
  margin:10px 0;
  padding-left:28px;
  position:relative;
  line-height:1.65;
}
.article-body ul li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;
  color:var(--gold-2);font-size:12px;
}
.article-body ol{counter-reset:item}
.article-body ol li::before{
  counter-increment:item;
  content:counter(item);
  position:absolute;left:0;top:2px;
  width:20px;height:20px;border-radius:50%;
  background:rgba(245,158,11,.15);color:var(--gold-2);
  font-size:11px;font-weight:800;display:grid;place-items:center;
}
.article-body strong{color:var(--text);font-weight:700}
.article-body a{color:var(--gold-2);text-decoration:underline;text-underline-offset:3px}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;
  border-left:3px solid var(--gold);
  background:rgba(245,158,11,.06);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text);
  font-size:15.6px;
}
.article-body img{border-radius:var(--radius-sm);margin:20px 0;border:1px solid var(--border-soft)}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;overflow:hidden;border-radius:var(--radius-sm)}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--border-soft);text-align:left;color:var(--text-dim)}
.article-body th{background:rgba(245,158,11,.1);color:var(--gold-2);font-weight:700}

.article-notfound{
  text-align:center;padding:60px 24px;
}
.article-notfound i{font-size:44px;color:var(--gold);margin-bottom:18px}
.article-notfound h2{font-size:26px;margin-bottom:12px}
.article-notfound p{color:var(--text-dim);margin-bottom:24px}

/* ---------- Sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:92px}
.side-card{
  background:linear-gradient(160deg,rgba(14,37,25,.9),rgba(8,23,15,.94));
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  padding:22px;
}
.side-card h3{
  font-size:14px;text-transform:uppercase;letter-spacing:.1em;
  color:var(--gold-2);font-weight:700;margin-bottom:16px;
}
.side-card p{color:var(--text-dim);font-size:14.4px}
.side-list{display:grid;gap:12px}
.side-list a{
  display:flex;align-items:flex-start;gap:11px;
  font-size:14.4px;color:var(--text-dim);transition:.2s;
}
.side-list a i{color:var(--gold-2);font-size:13px;margin-top:4px}
.side-list a:hover{color:var(--gold-2)}
.side-cta{
  background:linear-gradient(160deg,rgba(245,158,11,.14),rgba(8,23,15,.9));
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;text-align:center;
}
.side-cta i{font-size:28px;color:var(--gold-2);margin-bottom:12px}
.side-cta h3{font-size:17px;margin-bottom:8px;color:var(--text)}
.side-cta p{font-size:14px;color:var(--text-dim);margin-bottom:18px}
.side-stats{display:grid;gap:1px;background:var(--border-soft);border-radius:12px;overflow:hidden}
.side-stats li{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  background:rgba(8,23,15,.9);padding:13px 16px;font-size:14px;
}
.side-stats li span:first-child{color:var(--text-mute)}
.side-stats li span:last-child{color:var(--gold-2);font-weight:800}

/* ---------- Content blocks ---------- */
.info-grid{display:grid;gap:var(--gap);grid-template-columns:repeat(3,1fr)}
.info-card{
  background:linear-gradient(160deg,rgba(14,37,25,.86),rgba(8,23,15,.9));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:24px;transition:.25s;
}
.info-card:hover{border-color:var(--gold-soft);transform:translateY(-3px);box-shadow:var(--shadow)}
.info-card .ic{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(245,158,11,.12);color:var(--gold-2);font-size:18px;margin-bottom:14px;
}
.info-card h3{font-size:17px;margin-bottom:10px}
.info-card p{color:var(--text-dim);font-size:14.6px}

/* highlight strip */
.strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--border-soft);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border-soft);
}
.strip-item{background:rgba(8,23,15,.94);padding:22px 20px}
.strip-item .num{font-size:26px;font-weight:900;color:var(--gold-2);line-height:1.2}
.strip-item .lbl{font-size:13.5px;color:var(--text-dim);margin-top:6px}

/* step flow */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);position:relative}
.flow-step{
  background:linear-gradient(160deg,rgba(14,37,25,.8),rgba(8,23,15,.88));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:24px 22px;transition:.25s;
}
.flow-step:hover{border-color:var(--gold-soft);transform:translateY(-3px)}
.flow-step .idx{
  font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--gold-2);
}
.flow-step h3{font-size:16.5px;margin:12px 0 8px}
.flow-step p{color:var(--text-dim);font-size:14.4px}

/* table compare */
.compare-table{
  width:100%;border-collapse:collapse;font-size:15px;
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-soft);
}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--border-soft)}
.compare-table th{background:rgba(245,158,11,.1);color:var(--gold-2);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.06em}
.compare-table td{color:var(--text-dim);background:rgba(8,23,15,.7)}
.compare-table tr:last-child td{border-bottom:none}
.compare-table td:first-child{color:var(--text);font-weight:600}
.tag-yes{color:var(--green);font-weight:700}
.tag-no{color:var(--red);font-weight:700}

/* faq */
.faq{display:grid;gap:14px}
.faq-item{
  background:linear-gradient(160deg,rgba(14,37,25,.8),rgba(8,23,15,.9));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:20px 22px;transition:.22s;
}
.faq-item[open]{border-color:var(--gold-soft)}
.faq-item summary{
  cursor:pointer;font-weight:700;font-size:16px;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--gold-2);font-size:14px;transition:.25s;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{color:var(--text-dim);font-size:14.8px;margin-top:12px}

/* CTA box */
.cta-box{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--border);
  padding:44px 38px;
  background:
    radial-gradient(700px 300px at 85% 0%,rgba(245,158,11,.2),transparent 60%),
    linear-gradient(160deg,rgba(14,37,25,.96),rgba(5,16,12,.98));
  text-align:center;
}
.cta-box h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px}
.cta-box p{color:var(--text-dim);max-width:660px;margin:0 auto 26px;font-size:16px}
.cta-box .btn-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* list content */
.list-links{display:grid;gap:1px;background:var(--border-soft);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-soft)}
.list-links li{background:rgba(8,23,15,.92)}
.list-links a{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:16px 20px;font-size:15px;color:var(--text-dim);transition:.2s;
}
.list-links a:hover{color:var(--gold-2);background:rgba(245,158,11,.07)}
.list-links a i{font-size:12px;color:var(--text-mute)}

.img-block{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-soft);
  position:relative;
}
.img-block img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9}
.img-block .cap{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;font-size:14px;color:var(--text);
  background:linear-gradient(to top,rgba(5,16,12,.92),transparent);
}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(5,16,12,.7),var(--bg-3));
  border-top:1px solid var(--border-soft);
  padding:56px 0 26px;margin-top:30px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-grid p{color:var(--text-dim);font-size:14.6px;margin-top:14px}
.footer-grid h4{font-size:15px;color:var(--gold-2);margin-bottom:16px}
.footer-grid ul{display:grid;gap:10px}
.footer-grid ul a,.footer-grid ul li{color:var(--text-dim);font-size:14.4px;display:flex;align-items:center;gap:10px;transition:.2s}
.footer-grid ul a:hover{color:var(--gold-2)}
.footer-grid ul i{color:var(--gold);font-size:13px}
.footer-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;color:var(--text-dim);
  border:1px solid var(--border-soft);border-radius:999px;
  padding:6px 12px;margin:14px 8px 0 0;
}
.footer-badge i{color:var(--gold-2)}
.footer-bottom{
  margin-top:36px;padding-top:22px;
  border-top:1px solid var(--border-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.4px;color:var(--text-mute);
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:20px;
  background:linear-gradient(140deg,var(--gold),#b45309);color:#03130b;
  box-shadow:0 6px 25px rgba(245,158,11,.35);
  opacity:.85;transition:.25s;border:2px solid var(--gold);
}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 10px 32px rgba(245,158,11,.5)}
.fab:active{transform:scale(.95) translateY(3px)}
.fab .dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:var(--red);box-shadow:0 0 0 2px #05100c;
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:grid;place-items:center}
  .main-nav.open{
    display:flex;flex-direction:column;align-items:stretch;
    position:absolute;top:70px;left:0;right:0;
    background:rgba(5,16,12,.98);border-bottom:1px solid var(--border);
    padding:14px 20px 20px;gap:6px;margin:0;
  }
  .main-nav.open a{padding:12px 14px}
  .article-layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .strip{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .header-actions .btn-ghost{display:none}
  .section{padding:48px 0}
  .article-body{padding:24px 20px}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .info-grid,.flow{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-box{padding:32px 22px}
  .compare-table{font-size:14px}
  .compare-table th,.compare-table td{padding:11px 12px}
}
@media (max-width:520px){
  .logo-text small{display:none}
  .article-hero h1{font-size:23px}
  .strip{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
  --bg:#05100c;
  --bg-2:#08170f;
  --bg-3:#0c2016;
  --panel:#0e2519;
  --gold:#f59e0b;
  --gold-2:#fcd34d;
  --gold-soft:rgba(245,158,11,.32);
  --red:#dc2626;
  --green:#10b981;
  --text:#f8fafc;
  --text-dim:#c7d8cd;
  --text-mute:#8fa79a;
  --border:rgba(245,158,11,.22);
  --border-soft:rgba(255,255,255,.08);
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 14px 40px rgba(0,0,0,.5);
  --shadow-gold:0 10px 30px rgba(245,158,11,.22);
  --container:1220px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(245,158,11,.10),transparent 60%),
    radial-gradient(900px 500px at -10% 10%,rgba(16,185,129,.08),transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{line-height:1.25;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--tight{padding:44px 0}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;
  color:var(--gold-2);
  border:1px solid var(--border);
  background:rgba(245,158,11,.07);
  padding:6px 12px;border-radius:999px;
}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);margin-top:14px}
.section-head p{color:var(--text-dim);margin-top:12px;font-size:16.5px}
.section-head .accent{color:var(--gold-2)}
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,16,12,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;line-height:1.15}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-size:19px;
  background:linear-gradient(140deg,var(--gold),#b45309);
  color:#03130b;box-shadow:var(--shadow-gold);
}
.logo-text{display:flex;flex-direction:column}
.logo-text small{font-size:10.5px;font-weight:600;color:var(--text-mute);letter-spacing:.08em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  font-size:14.5px;font-weight:600;color:var(--text-dim);
  padding:9px 13px;border-radius:10px;transition:.2s;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--gold-2);background:rgba(245,158,11,.09)}
.main-nav a.active{color:#03130b;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-weight:700;font-size:14.5px;cursor:pointer;transition:.22s;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--gold-2);outline-offset:2px}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#03130b;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(245,158,11,.34)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{border-color:var(--gold-soft);color:var(--gold-2);background:rgba(245,158,11,.06)}
.btn-ghost:hover{background:rgba(245,158,11,.15);border-color:var(--gold)}
.btn-line{border-color:var(--border-soft);color:var(--text-dim)}
.btn-line:hover{border-color:var(--gold-soft);color:var(--gold-2)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.nav-toggle{
  display:none;margin-left:auto;
  background:rgba(245,158,11,.1);border:1px solid var(--border);
  color:var(--gold-2);width:44px;height:44px;border-radius:11px;cursor:pointer;font-size:18px;
}
/* ---------- Category Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:60px 0 54px;
  border-bottom:1px solid var(--border-soft);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/00a3c6e9c4630143.jpg') center/cover no-repeat;
  opacity:.22;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,16,12,.96) 0%,rgba(5,16,12,.84) 48%,rgba(8,23,15,.66) 100%);
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center}
.cat-hero h1{font-size:clamp(27px,4.1vw,46px);font-weight:900;margin:18px 0 0;text-wrap:balance}
.cat-hero h1 .hl{color:var(--gold-2)}
.cat-hero p.lead{color:var(--text-dim);font-size:16.5px;margin-top:18px;max-width:640px}
.cat-hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cat-hero-side{
  background:linear-gradient(160deg,rgba(14,37,25,.95),rgba(8,23,15,.92));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow);
}
.cat-hero-side h3{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--gold-2);font-weight:700}
.stat-row{display:grid;gap:1px;background:var(--border-soft);border-radius:12px;overflow:hidden;margin-top:18px}
.stat-row .item{background:var(--bg-2);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.stat-row .item span:first-child{color:var(--text-dim);font-size:14px}
.stat-row .item b{color:var(--gold-2);font-size:16px}
/* ---------- Search band ---------- */
.search-band{
  background:linear-gradient(150deg,rgba(14,37,25,.9),rgba(8,23,15,.94));
  border:1px solid var(--border-soft);border-radius:var(--radius-lg);
  padding:28px;margin-top:34px;box-shadow:var(--shadow);
}
.search-band h3{font-size:18px;margin-bottom:6px}
.search-band p{color:var(--text-dim);font-size:14.6px}
.search-row{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap}
.search-row input{
  flex:1;min-width:220px;padding:14px 16px;border-radius:12px;
  border:1px solid var(--border-soft);background:rgba(5,16,12,.85);color:var(--text);
  transition:.2s;
}
.search-row input::placeholder{color:var(--text-mute)}
.search-row input:focus{outline:none;border-color:var(--gold-soft);box-shadow:0 0 0 3px rgba(245,158,11,.15)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.chip{
  font-size:13px;font-weight:600;color:var(--text-dim);
  border:1px solid var(--border-soft);border-radius:999px;
  padding:7px 14px;background:rgba(255,255,255,.03);transition:.2s;
}
.chip:hover{color:var(--gold-2);border-color:var(--gold-soft);background:rgba(245,158,11,.09)}
/* ---------- Cards ---------- */
.card{
  background:linear-gradient(160deg,rgba(14,37,25,.86),rgba(8,23,15,.9));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:22px;transition:.25s;
}
.card:hover{border-color:var(--gold-soft);transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{color:var(--text-dim);font-size:14.6px}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(245,158,11,.12);color:var(--gold-2);font-size:18px;margin-bottom:14px;
  border:1px solid var(--border);
}
.media-card{
  background:linear-gradient(160deg,rgba(14,37,25,.86),rgba(8,23,15,.9));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  overflow:hidden;transition:.25s;
}
.media-card:hover{border-color:var(--gold-soft);transform:translateY(-3px);box-shadow:var(--shadow)}
.media-card img{width:100%;height:190px;object-fit:cover}
.media-card .body{padding:20px}
.media-card h3{font-size:17px;margin-bottom:10px}
.media-card p{color:var(--text-dim);font-size:14.4px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;
  padding:5px 11px;border-radius:999px;
  background:rgba(245,158,11,.12);color:var(--gold-2);border:1px solid var(--border);
}
.tag.red{background:rgba(220,38,38,.14);color:#fca5a5;border-color:rgba(220,38,38,.32)}
.tag.green{background:rgba(16,185,129,.12);color:#6ee7b7;border-color:rgba(16,185,129,.3)}
/* ---------- Steps ---------- */
.step-list{display:grid;gap:18px;counter-reset:step}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:flex-start;
  background:linear-gradient(160deg,rgba(14,37,25,.7),rgba(8,23,15,.78));
  border:1px solid var(--border-soft);border-radius:var(--radius);padding:20px;
  transition:.25s;
}
.step:hover{border-color:var(--gold-soft)}
.step .num{
  width:56px;height:56px;border-radius:14px;display:grid;place-items:center;
  font-weight:900;font-size:20px;color:#03130b;
  background:linear-gradient(140deg,var(--gold-2),var(--gold));box-shadow:var(--shadow-gold);
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{color:var(--text-dim);font-size:14.6px}
/* ---------- Compare ---------- */
.compare{border:1px solid var(--border-soft);border-radius:var(--radius);overflow:hidden}
.compare table{width:100%;border-collapse:collapse}
.compare th,.compare td{padding:15px 18px;text-align:left;font-size:14.6px}
.compare thead th{
  background:linear-gradient(135deg,rgba(245,158,11,.16),rgba(245,158,11,.05));
  color:var(--gold-2);font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;font-weight:800;
}
.compare tbody tr{border-top:1px solid var(--border-soft)}
.compare tbody tr:hover{background:rgba(245,158,11,.05)}
.compare td{color:var(--text-dim)}
.compare td b{color:var(--text)}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  border:1px solid var(--border-soft);border-radius:var(--radius-sm);
  background:linear-gradient(160deg,rgba(14,37,25,.72),rgba(8,23,15,.8));
  overflow:hidden;
}
.faq-item summary{
  cursor:pointer;padding:17px 20px;font-weight:700;font-size:15.5px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--gold-2);transition:.25s}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item .ans{padding:0 20px 18px;color:var(--text-dim);font-size:14.8px}
/* ---------- CTA ---------- */
.cta-band{
  background:
    radial-gradient(700px 300px at 85% 0%,rgba(245,158,11,.16),transparent 60%),
    linear-gradient(150deg,rgba(14,37,25,.95),rgba(8,23,15,.96));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:38px;display:grid;grid-template-columns:1.4fr auto;gap:26px;align-items:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px)}
.cta-band p{color:var(--text-dim);margin-top:12px;font-size:15.5px;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- News list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.news-card{
  background:linear-gradient(160deg,rgba(14,37,25,.82),rgba(8,23,15,.88));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.25s;
}
.news-card:hover{border-color:var(--gold-soft);transform:translateY(-3px);box-shadow:var(--shadow)}
.news-card img{width:100%;height:172px;object-fit:cover}
.news-card .body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:16.4px;line-height:1.45}
.news-card p{color:var(--text-dim);font-size:14.2px;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.6px;color:var(--text-mute)}
.news-actions{margin-top:26px;display:flex;justify-content:center}
.empty-note{
  grid-column:1/-1;text-align:center;padding:36px 20px;
  color:var(--text-mute);border:1px dashed var(--border-soft);border-radius:var(--radius);
}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;font-size:21px;color:#03130b;
  background:linear-gradient(140deg,var(--gold-2),var(--gold));
  border:2px solid rgba(252,211,77,.9);
  box-shadow:0 6px 25px rgba(245,158,11,.4);
  transition:.25s;
}
.fab:hover{transform:scale(1.1) rotate(360deg)}
.fab:active{transform:translateY(3px) scale(.95)}
.fab .dot{
  position:absolute;top:-2px;right:-2px;width:14px;height:14px;border-radius:50%;
  background:#dc2626;border:2px solid #fff;
}
/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--border-soft);
  background:linear-gradient(180deg,rgba(8,23,15,.6),rgba(5,16,12,.98));
  padding:54px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.site-footer h4{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--gold-2);margin-bottom:16px}
.site-footer p{color:var(--text-dim);font-size:14.4px;margin-top:14px;max-width:420px}
.site-footer ul{display:grid;gap:11px}
.site-footer ul a,.site-footer ul li{color:var(--text-dim);font-size:14.4px;transition:.2s}
.site-footer ul a:hover{color:var(--gold-2)}
.site-footer ul i{color:var(--gold);width:18px}
.footer-badge{
  display:inline-flex;align-items:center;gap:8px;margin:14px 10px 0 0;
  font-size:12.4px;font-weight:600;color:var(--text-dim);
  border:1px solid var(--border-soft);border-radius:999px;padding:6px 13px;
  background:rgba(255,255,255,.03);
}
.footer-badge i{color:var(--green)}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--border-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--text-mute);font-size:13.2px;
}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:32px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav-toggle{display:grid;place-items:center}
  .main-nav{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(5,16,12,.98);border-bottom:1px solid var(--border-soft);
    padding:14px 20px 20px;display:none;
  }
  .main-nav.open{display:flex}
  .header-actions{margin-left:0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .section{padding:46px 0}
  .cat-hero{padding:44px 0 40px}
  .grid-2,.grid-3,.grid-4,.news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:26px}
  .header-actions .btn-ghost{display:none}
  .step{grid-template-columns:46px 1fr;gap:14px;padding:17px}
  .step .num{width:46px;height:46px;font-size:17px;border-radius:12px}
  .compare th,.compare td{padding:12px 12px;font-size:13.6px}
}
@media (max-width:520px){
  .logo-text span{font-size:15px}
  .header-actions .btn-sm{padding:8px 12px;font-size:12.6px}
  .fab{width:52px;height:52px;font-size:19px;bottom:84px;left:12px}
}

/* roulang page: category2 */
:root{
  --bg:#05100c;
  --bg-2:#08170f;
  --bg-3:#0c2016;
  --panel:#0e2519;
  --gold:#f59e0b;
  --gold-2:#fcd34d;
  --gold-soft:rgba(245,158,11,.32);
  --red:#dc2626;
  --green:#10b981;
  --text:#f8fafc;
  --text-dim:#c7d8cd;
  --text-mute:#8fa79a;
  --border:rgba(245,158,11,.22);
  --border-soft:rgba(255,255,255,.08);
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow:0 14px 40px rgba(0,0,0,.5);
  --shadow-gold:0 10px 30px rgba(245,158,11,.22);
  --container:1220px;
  --gap:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(245,158,11,.10),transparent 60%),
    radial-gradient(900px 500px at -10% 10%,rgba(16,185,129,.08),transparent 55%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}
.section{padding:64px 0}
.section--tight{padding:44px 0}
.section--alt{background:linear-gradient(180deg,rgba(8,23,15,0),rgba(12,32,22,.65) 25%,rgba(8,23,15,0))}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;
  color:var(--gold-2);
  border:1px solid var(--border);
  background:rgba(245,158,11,.07);
  padding:6px 12px;border-radius:999px;
}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,3.4vw,36px);margin-top:14px}
.section-head p{color:var(--text-dim);margin-top:12px;font-size:16.5px}
.section-head .accent{color:var(--gold-2)}
.grid{display:grid;gap:var(--gap)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
/* Header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,16,12,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border-soft);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.logo{display:flex;align-items:center;gap:11px;font-weight:900;font-size:17px;line-height:1.15}
.logo-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-size:19px;
  background:linear-gradient(140deg,var(--gold),#b45309);
  color:#03130b;box-shadow:var(--shadow-gold);
}
.logo-text{display:flex;flex-direction:column}
.logo-text small{font-size:10.5px;font-weight:600;color:var(--text-mute);letter-spacing:.08em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  font-size:14.5px;font-weight:600;color:var(--text-dim);
  padding:9px 13px;border-radius:10px;transition:.2s;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--gold-2);background:rgba(245,158,11,.09)}
.main-nav a.active{color:#03130b;background:linear-gradient(135deg,var(--gold-2),var(--gold));font-weight:700}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 22px;border-radius:12px;border:1px solid transparent;
  font-weight:700;font-size:14.5px;cursor:pointer;transition:.22s;
  white-space:nowrap;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:#03130b;box-shadow:var(--shadow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(245,158,11,.34)}
.btn-gold:active{transform:translateY(0)}
.btn-ghost{border-color:var(--gold-soft);color:var(--gold-2);background:rgba(245,158,11,.06)}
.btn-ghost:hover{background:rgba(245,158,11,.15);border-color:var(--gold)}
.btn-line{border-color:var(--border-soft);color:var(--text-dim)}
.btn-line:hover{border-color:var(--gold-soft);color:var(--gold-2)}
.btn-sm{padding:9px 16px;font-size:13.5px;border-radius:10px}
.nav-toggle{
  display:none;margin-left:auto;
  background:rgba(245,158,11,.1);border:1px solid var(--border);
  color:var(--gold-2);width:44px;height:44px;border-radius:11px;cursor:pointer;font-size:18px;
}
/* Category hero */
.cat-hero{
  position:relative;overflow:hidden;
  padding:64px 0 56px;
  border-bottom:1px solid var(--border-soft);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/00a3c6e9c4630143.jpg') center/cover no-repeat;
  opacity:.2;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,16,12,.97) 0%,rgba(5,16,12,.84) 48%,rgba(8,23,15,.6) 100%);
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center}
.cat-hero h1{
  font-size:clamp(26px,4vw,44px);
  font-weight:900;margin:18px 0 0;text-wrap:balance;
}
.cat-hero h1 .hl{color:var(--gold-2)}
.cat-hero-sub{color:var(--text-dim);font-size:16.5px;margin-top:18px;max-width:640px;line-height:1.7}
.cat-hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stat-panel{
  background:linear-gradient(160deg,rgba(14,37,25,.95),rgba(8,23,15,.92));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);
}
.hero-stat-panel h3{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--gold-2);font-weight:700;margin-bottom:16px}
.stat-list{display:grid;gap:1px;background:var(--border-soft);border-radius:12px;overflow:hidden}
.stat-list li{
  background:rgba(8,23,15,.72);
  padding:13px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.stat-list span:first-child{color:var(--text-dim);font-size:14px}
.stat-list span:last-child{color:var(--gold-2);font-weight:800;font-size:14.5px}
.live-dot{width:9px;height:9px;border-radius:50%;background:var(--green);display:inline-block;box-shadow:0 0 0 4px rgba(16,185,129,.2);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
/* Cards */
.card{
  background:linear-gradient(160deg,rgba(14,37,25,.86),rgba(8,23,15,.9));
  border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:22px;transition:.25s;
}
.card:hover{border-color:var(--gold-soft);transform:translateY(-3px);box-shadow:var(--shadow)}
.card h3{font-size:17.5px;margin-bottom:10px}
.card p{color:var(--text-dim);font-size:14.6px}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(245,158,11,.12);color:var(--gold-2);font-size:18px;margin-bottom:14px;
  border:1px solid var(--border);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;
  padding:4px 10px;border-radius:999px;
  background:rgba(220,38,38,.16);color:#fca5a5;border:1px solid rgba(220,38,38,.35);
}
.tag-gold{background:rgba(245,158,11,.14);color:var(--gold-2);border-color:var(--border)}
.tag-green{background:rgba(16,185,129,.14);color:#6ee7b7;border-color:rgba(16,185,129,.35)}
/* Media block */
.media-block{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.media-block-rev{grid-template-columns:.95fr 1.05fr}
.media-img{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  box-shadow:var(--shadow);position:relative;
}
.media-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.media-content h2{font-size:clamp(22px,3vw,32px);margin-bottom:14px}
.media-content p{color:var(--text-dim);margin-bottom:14px}
.feature-list{display:grid;gap:12px;margin-top:18px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-dim);font-size:15px}
.feature-list i{color:var(--gold-2);margin-top:5px;font-size:13px}
/* Step / process */
.steps{display:grid;gap:var(--gap);grid-template-columns:repeat(4,1fr);counter-reset:step}
.step{
  background:rgba(8,23,15,.7);border:1px solid var(--border-soft);
  border-radius:var(--radius);padding:24px 20px;position:relative;transition:.25s;
}
.step:hover{border-color:var(--gold-soft);transform:translateY(-3px)}
.step-num{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold-2),var(--gold));color:#03130b;
  font-weight:900;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{color:var(--text-dim);font-size:14px}
/* Comparison */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.compare-col{
  border-radius:var(--radius-lg);padding:26px;border:1px solid var(--border-soft);
  background:rgba(8,23,15,.7);
}
.compare-col.recommend{
  border-color:var(--gold);background:linear-gradient(160deg,rgba(245,158,11,.12),rgba(8,23,15,.9));
  box-shadow:var(--shadow-gold);position:relative;
}
.compare-col h3{font-size:18px;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.compare-col .price{font-size:13px;color:var(--text-mute);margin-bottom:16px}
.compare-col ul{display:grid;gap:11px}
.compare-col li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-dim)}
.compare-col li i{color:var(--gold-2);margin-top:5px;font-size:12px}
.compare-col li.no i{color:var(--text-mute)}
.compare-col .btn{margin-top:20px;width:100%}
/* Metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.metric{
  text-align:left;border-radius:var(--radius);padding:24px;
  background:linear-gradient(160deg,rgba(14,37,25,.8),rgba(8,23,15,.7));
  border:1px solid var(--border-soft);
}
.metric .num{font-size:clamp(26px,3.4vw,38px);font-weight:900;color:var(--gold-2);line-height:1}
.metric .label{color:var(--text-dim);font-size:13.5px;margin-top:10px;text-transform:uppercase;letter-spacing:.08em;font-weight:600}
/* Info list */
.info-list{display:grid;gap:14px}
.info-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius);
  background:rgba(8,23,15,.6);border:1px solid var(--border-soft);transition:.22s;
}
.info-item:hover{border-color:var(--gold-soft);background:rgba(8,23,15,.85)}
.info-item .ico{
  width:40px;height:40px;flex:0 0 40px;border-radius:11px;display:grid;place-items:center;
  background:rgba(245,158,11,.12);color:var(--gold-2);border:1px solid var(--border);
}
.info-item h3{font-size:16px;margin-bottom:5px}
.info-item p{color:var(--text-dim);font-size:14.4px}
/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.news-card{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-soft);
  background:rgba(8,23,15,.72);transition:.25s;display:flex;flex-direction:column;
}
.news-card:hover{border-color:var(--gold-soft);transform:translateY(-3px);box-shadow:var(--shadow)}
.news-thumb{aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:16.5px;line-height:1.4}
.news-body p{color:var(--text-dim);font-size:14px}
.news-meta{font-size:12.5px;color:var(--text-mute);display:flex;gap:14px;align-items:center;margin-top:auto}
.news-meta i{color:var(--gold-2);margin-right:5px}
/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--border-soft);border-radius:var(--radius);
  background:rgba(8,23,15,.65);overflow:hidden;
}
.faq-item summary{
  cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  transition:.2s;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--gold-2)}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--gold-2);transition:.3s;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--gold-2)}
.faq-item .faq-body{padding:0 22px 20px;color:var(--text-dim);font-size:14.6px}
/* CTA */
.cta-band{
  border-radius:var(--radius-lg);padding:40px;
  background:linear-gradient(140deg,rgba(245,158,11,.16),rgba(220,38,38,.08) 60%,rgba(8,23,15,.9));
  border:1px solid var(--border);
  display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:12px}
.cta-band p{color:var(--text-dim)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
/* Form */
.form-card{
  background:linear-gradient(160deg,rgba(14,37,25,.92),rgba(8,23,15,.9));
  border:1px solid var(--border);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);
}
.form-card h2{font-size:clamp(22px,3vw,30px);margin-bottom:10px}
.form-card > p{color:var(--text-dim);margin-bottom:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;font-weight:600;color:var(--text-dim)}
.field input,.field select{
  background:rgba(5,16,12,.8);border:1px solid var(--border-soft);
  border-radius:var(--radius-sm);padding:12px 14px;color:var(--text);font-size:14.5px;
  transition:.2s;width:100%;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(245,158,11,.18);background:rgba(5,16,12,.95);
}
.field-full{grid-column:1/-1}
.form-note{font-size:12.5px;color:var(--text-mute);margin-top:14px}
.form-card .btn{width:100%;margin-top:20px}
/* Footer */
.site-footer{
  border-top:1px solid var(--border-soft);
  background:linear-gradient(180deg,rgba(8,23,15,.6),rgba(5,16,12,.98));
  padding:56px 0 0;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-grid h4{font-size:15px;margin-bottom:16px;color:var(--gold-2);font-weight:700}
.footer-grid p{color:var(--text-dim);font-size:14.4px;margin-top:16px}
.footer-grid ul{display:grid;gap:11px}
.footer-grid ul li{color:var(--text-dim);font-size:14.2px;display:flex;align-items:center;gap:8px}
.footer-grid ul li i{color:var(--gold-2);width:16px;text-align:center}
.footer-grid ul li a{transition:.2s}
.footer-grid ul li a:hover{color:var(--gold-2)}
.footer-badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;color:var(--text-dim);
  border:1px solid var(--border-soft);border-radius:999px;
  padding:6px 12px;margin:12px 8px 0 0;background:rgba(8,23,15,.7);
}
.footer-badge i{color:var(--gold-2)}
.footer-bottom{
  margin-top:44px;padding:22px 0;border-top:1px solid var(--border-soft);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-mute);
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--gold-2),var(--gold));
  color:#03130b;font-size:20px;box-shadow:var(--shadow-gold);
  border:2px solid rgba(255,255,255,.25);cursor:pointer;transition:.25s;
  text-decoration:none;
}
.fab:hover{transform:scale(1.1)}
.fab::after{
  content:"";position:absolute;top:2px;right:2px;width:14px;height:14px;border-radius:50%;
  background:var(--red);border:2px solid #fff;animation:pulse 1.6s infinite;
}
/* Responsive */
@media(max-width:1024px){
  .hero-inner,.cat-hero-inner{grid-template-columns:1fr;gap:32px}
  .grid-4,.metrics,.steps{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .media-block,.media-block-rev{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
}
@media(max-width:768px){
  .main-nav{
    display:none;position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(5,16,12,.98);border-bottom:1px solid var(--border);
    padding:12px 16px 18px;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px}
  .nav-toggle{display:block}
  .header-actions .btn-ghost{display:none}
  .section{padding:48px 0}
  .form-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
}
@media(max-width:520px){
  .grid-2,.grid-3,.grid-4,.metrics,.steps,.news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cat-hero{padding:48px 0 42px}
  .cta-band{padding:26px}
  .form-card{padding:22px}
  .btn{width:100%}
  .cat-hero-cta .btn,.hero-cta .btn{width:auto}
}