/* roulang page: index */
:root{
  --bg:#060b14;
  --bg-2:#0a1322;
  --panel:rgba(15,25,40,.78);
  --panel-solid:#101b2d;
  --line:rgba(72,145,255,.24);
  --line-strong:rgba(56,189,248,.48);
  --text:#f8fafc;
  --muted:#94a3b8;
  --blue:#38bdf8;
  --blue-deep:#2563eb;
  --cyan:#22d3ee;
  --green:#34d399;
  --amber:#fbbf24;
  --red:#fb7185;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 20px 60px rgba(2,8,23,.55);
  --glow:0 0 24px rgba(56,189,248,.28);
  --glow-strong:0 0 40px rgba(37,99,235,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 12% 8%, rgba(37,99,235,.20), transparent 28rem),
    radial-gradient(circle at 88% 22%, rgba(34,211,238,.14), transparent 24rem),
    linear-gradient(180deg,#030712 0%,var(--bg) 42%,#07111f 100%);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.035) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 80%);
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.section{position:relative;padding:82px 0;z-index:1}
.section-sm{padding:58px 0}
.section-head{margin-bottom:34px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 13px;border:1px solid var(--line-strong);border-radius:999px;
  color:var(--blue);background:rgba(56,189,248,.08);
  font-size:.76rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(2.15rem,5vw,4.9rem);line-height:1.04;letter-spacing:-.035em;font-weight:900}
h2{font-size:clamp(1.65rem,3.4vw,2.55rem);line-height:1.16;letter-spacing:-.025em;font-weight:850}
h3{font-size:1.14rem;line-height:1.35;font-weight:800}
.lead{color:var(--muted);font-size:1.05rem;line-height:1.7}
.muted{color:var(--muted)}
.glass{
  background:linear-gradient(145deg,rgba(18,31,51,.88),rgba(8,16,30,.78));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
}
.glass:hover{border-color:var(--line-strong)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 20px;border-radius:12px;
  font-weight:800;transition:.25s ease;border:1px solid transparent;
}
.btn-primary{
  color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue) 58%,#818cf8);
  box-shadow:0 0 28px rgba(56,189,248,.36);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.55)}
.btn-ghost{color:var(--blue);background:rgba(56,189,248,.07);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible{outline:3px solid rgba(34,211,238,.65);outline-offset:3px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);background:rgba(15,25,40,.72);color:var(--muted);
  font-size:.74rem;font-weight:700;
}
.tag.hot{color:#fca5a5;border-color:rgba(251,113,133,.42);background:rgba(251,113,133,.09)}
.tag.vip{color:#fcd34d;border-color:rgba(251,191,36,.42);background:rgba(251,191,36,.09)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.stat-num{font-size:clamp(1.7rem,4vw,2.6rem);font-weight:900;color:var(--blue);line-height:1}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.asym{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:start}
.line-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.line-item:last-child{border-bottom:0}
.icon-box{
  width:44px;height:44px;flex:0 0 44px;display:grid;place-items:center;
  border-radius:12px;color:var(--cyan);background:rgba(56,189,248,.10);
  border:1px solid var(--line-strong);
}
.media{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);background:#0b1425;
}
.media img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
.media:hover img{transform:scale(1.045)}
.media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 35%,rgba(3,7,18,.88));
}
.media-copy{position:absolute;left:18px;right:18px;bottom:16px;z-index:2}
.ticker{
  overflow:hidden;border-block:1px solid var(--line);
  background:rgba(8,18,34,.72);
}
.ticker-track{display:flex;gap:42px;width:max-content;padding:11px 0;animation:ticker 28s linear infinite}
.ticker-track span{color:var(--muted);font-size:.78rem;white-space:nowrap}
.ticker-track b{color:var(--cyan)}
@keyframes ticker{to{transform:translateX(-50%)}}
.calendar-row{
  display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.calendar-date{
  text-align:center;border-right:1px solid var(--line);
  color:var(--blue);font-weight:900;font-size:.9rem;
}
.calendar-date strong{display:block;font-size:1.65rem}
.topic-strip{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
.topic-stack{display:grid;gap:18px}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item:last-child{border-bottom:0}
.faq-item summary{cursor:pointer;font-weight:800;color:var(--text);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item p{margin:12px 0 0;color:var(--muted)}
.subscribe{
  padding:30px;border-radius:var(--radius-lg);
  background:
    linear-gradient(135deg,rgba(37,99,235,.24),rgba(34,211,238,.08)),
    rgba(10,19,34,.90);
  border:1px solid var(--line-strong);
  box-shadow:var(--glow);
}
.subscribe input{
  width:100%;min-height:48px;padding:0 15px;border-radius:12px;
  color:var(--text);background:rgba(3,7,18,.72);border:1px solid var(--line);
}
.subscribe input::placeholder{color:#64748b}
.subscribe input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
footer{border-top:1px solid var(--line);background:#050b16;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.45fr .75fr .8fr 1fr;gap:34px;padding:58px 0}
.footer-link{display:block;color:var(--muted);padding:5px 0;transition:.2s}
.footer-link:hover{color:var(--cyan);transform:translateX(3px)}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:999px;display:grid;place-items:center;
  color:#03101f;background:linear-gradient(135deg,var(--cyan),var(--blue));
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 0 28px rgba(56,189,248,.48);
  transition:.25s ease;animation:float 3.2s ease-in-out infinite;
}
.fab:hover{transform:scale(1.1);box-shadow:0 0 42px rgba(56,189,248,.72)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .dot{
  position:absolute;top:3px;right:4px;width:12px;height:12px;border-radius:50%;
  background:var(--red);border:2px solid #fff;box-shadow:0 0 12px var(--red);
}
@keyframes float{0%,100%{translate:0 0}50%{translate:0 -6px}}
.article-card{overflow:hidden;transition:.25s ease}
.article-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.article-thumb{aspect-ratio:16/9;overflow:hidden}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:.45s}
.article-card:hover .article-thumb img{transform:scale(1.06)}
.article-body{padding:19px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.76rem}
.article-title{font-size:1.04rem;line-height:1.45;margin:10px 0 9px;font-weight:800}
.article-excerpt{color:var(--muted);font-size:.9rem;line-height:1.6}
.side-list{display:grid;gap:12px}
.side-item{display:grid;grid-template-columns:78px 1fr;gap:13px;align-items:center}
.side-item img{width:78px;height:58px;object-fit:cover;border-radius:10px}
.progress{height:8px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden}
.progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.hero{
  position:relative;min-height:680px;display:grid;align-items:center;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/1edd980ca1288750.jpg');background-size:cover;background-position:center}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(3,7,18,.98) 0%,rgba(3,7,18,.90) 42%,rgba(3,7,18,.52) 72%,rgba(3,7,18,.86) 100%);
}
.hero-content{position:relative;z-index:2;padding:82px 0}
.hero-panel{
  display:grid;grid-template-columns:1.16fr .84fr;gap:34px;align-items:end;
}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.hero-metric{padding:17px;border-radius:14px;background:rgba(8,18,34,.75);border:1px solid var(--line)}
.industrial{
  border-left:3px solid var(--cyan);padding-left:18px;
}
.flash-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:14px 18px;border:1px solid rgba(251,191,36,.36);border-radius:14px;
  background:linear-gradient(90deg,rgba(251,191,36,.12),rgba(251,113,133,.08));
}
.countdown{display:flex;gap:8px}
.countdown span{padding:5px 9px;border-radius:8px;background:rgba(3,7,18,.55);font-weight:900;color:var(--amber)}
.flash-track{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(220px,1fr);gap:14px;overflow-x:auto;padding:18px 2px 8px;scrollbar-width:thin}
.flash-card{padding:16px;border-radius:14px;background:rgba(15,25,40,.82);border:1px solid var(--line);min-width:0}
.flash-card .progress{margin-top:12px}
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-panel,.asym,.topic-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .container{width:min(100% - 28px,1180px)}
  .section{padding:62px 0}
  .grid-2,.grid-3,.grid-4,.hero-metrics{grid-template-columns:1fr}
  .hero{min-height:auto}
  .hero-content{padding:58px 0 66px}
  .calendar-row{grid-template-columns:70px 1fr}
  .calendar-row .btn{grid-column:2;justify-self:start}
  .flash-bar{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .fab{bottom:84px;width:54px;height:54px}
}
@media (max-width:520px){
  h1{font-size:2.1rem}
  .container{width:min(100% - 22px,1180px)}
  .btn{width:100%}
  .hero-actions{display:grid;grid-template-columns:1fr}
  .countdown span{padding:4px 7px;font-size:.78rem}
}

/* roulang page: category1 */
:root{
  --bg:#060b14;
  --bg-2:#0a1322;
  --panel:rgba(15,25,40,.78);
  --panel-solid:#101b2d;
  --line:rgba(72,145,255,.24);
  --line-strong:rgba(56,189,248,.48);
  --text:#f8fafc;
  --muted:#94a3b8;
  --blue:#38bdf8;
  --blue-deep:#2563eb;
  --cyan:#22d3ee;
  --green:#34d399;
  --amber:#fbbf24;
  --red:#fb7185;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 20px 60px rgba(2,8,23,.55);
  --glow:0 0 24px rgba(56,189,248,.28);
  --glow-strong:0 0 40px rgba(37,99,235,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 12% 8%, rgba(37,99,235,.20), transparent 28rem),
    radial-gradient(circle at 88% 22%, rgba(34,211,238,.14), transparent 24rem),
    linear-gradient(180deg,#030712 0%,var(--bg) 42%,#07111f 100%);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.035) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 80%);
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.section{position:relative;padding:82px 0;z-index:1}
.section-sm{padding:58px 0}
.section-head{margin-bottom:34px}
.lead{color:var(--muted);font-size:1.05rem;line-height:1.7}
.muted{color:var(--muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:.74rem;font-weight:800;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 20px;border-radius:12px;
  font-weight:800;transition:.25s ease;border:1px solid transparent;
}
.btn-primary{
  color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue) 58%,#818cf8);
  box-shadow:0 0 28px rgba(56,189,248,.36);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.55)}
.btn-ghost{color:var(--blue);background:rgba(56,189,248,.07);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible{outline:3px solid rgba(34,211,238,.65);outline-offset:3px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);background:rgba(15,25,40,.72);color:var(--muted);
  font-size:.74rem;font-weight:700;
}
.tag.hot{color:#fca5a5;border-color:rgba(251,113,133,.42);background:rgba(251,113,133,.09)}
.tag.vip{color:#fcd34d;border-color:rgba(251,191,36,.42);background:rgba(251,191,36,.09)}
.tag.green{color:#6ee7b7;border-color:rgba(52,211,153,.42);background:rgba(52,211,153,.09)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{
  border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,27,45,.86),rgba(10,19,34,.78));
  box-shadow:var(--shadow);
}
.pad{padding:26px}
.tech-card{
  position:relative;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(11,22,40,.9),rgba(6,14,26,.72));
  backdrop-filter:blur(10px);padding:26px;transition:.28s ease;overflow:hidden;
}
.tech-card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(180deg,rgba(56,189,248,.06),transparent 55%);
}
.tech-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow)}
.card-icon{
  display:grid;place-items:center;width:52px;height:52px;border-radius:14px;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.10);
  color:var(--blue);font-size:1.15rem;margin-bottom:16px;
}
.stat-num{font-size:2rem;font-weight:900;color:#fff;letter-spacing:-.02em}
.line-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.line-item:last-child{border-bottom:0}
.media{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);background:#0b1425;
}
.media img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
.media:hover img{transform:scale(1.045)}
.media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 35%,rgba(3,7,18,.88));
}
.media-copy{position:absolute;left:18px;right:18px;bottom:16px;z-index:2}
.step-row{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.step-row:last-child{border-bottom:0}
.step-index{
  display:grid;place-items:center;width:56px;height:56px;border-radius:16px;
  font-weight:900;font-size:1.1rem;color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 22px rgba(56,189,248,.35);
}
.calendar-row{
  display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item:last-child{border-bottom:0}
.faq-item summary{cursor:pointer;font-weight:800;color:var(--text);list-style:none;display:flex;justify-content:space-between;gap:16px;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:.85rem;transition:.25s}
.faq-item[open] summary::after{content:"\f068"}
.faq-item p{margin:12px 0 0;color:var(--muted)}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.24),rgba(34,211,238,.14) 55%,rgba(129,140,248,.20));
  box-shadow:var(--glow-strong);
  padding:40px;
}
.article-card{overflow:hidden;transition:.25s ease;border-radius:var(--radius);border:1px solid var(--line);background:rgba(12,21,37,.82)}
.article-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.article-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0b1425}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:.45s}
.article-card:hover .article-thumb img{transform:scale(1.06)}
.article-body{padding:19px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.76rem}
.article-title{font-size:1.04rem;line-height:1.45;margin:10px 0 9px;font-weight:800}
.footer-grid{display:grid;grid-template-columns:1.45fr .75fr .8fr 1fr;gap:34px;padding:58px 0}
.footer-link{display:block;color:var(--muted);padding:5px 0;transition:.2s}
.footer-link:hover{color:var(--cyan);transform:translateX(3px)}
footer{border-top:1px solid var(--line);background:#050b16;position:relative;z-index:1}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;
  color:#03101f;font-size:1.15rem;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:0 0 26px rgba(56,189,248,.45);
  opacity:.85;transition:.28s ease;
}
.fab:hover{opacity:1;transform:scale(1.1)}
.fab:active{transform:scale(.95) translateY(3px)}
.fab .dot{
  position:absolute;top:6px;right:6px;width:12px;height:12px;border-radius:999px;
  background:#f43f5e;box-shadow:0 0 0 3px #050b16;
}
.hero-cat{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.88) 45%,rgba(3,7,18,.62) 100%),url('/assets/images/585acc937c21b8a3.jpg');
  background-size:cover;background-position:center;
}
.hero-cat-inner{padding:78px 0 66px;position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:.8rem;color:var(--muted);margin-bottom:18px}
.crumb a:hover{color:var(--cyan)}
.hero-cat h1{font-size:clamp(1.9rem,4vw,3rem);font-weight:900;letter-spacing:-.02em;max-width:900px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.rules{background:rgba(8,18,34,.6);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.rules li{margin:10px 0;display:flex;gap:12px;color:var(--muted)}
.rules li i{color:var(--cyan);margin-top:5px}
.tier-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.tier{border-radius:var(--radius);border:1px solid var(--line);padding:20px;background:rgba(12,21,37,.75);transition:.25s}
.tier:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.tier strong{display:block;font-size:1.05rem;margin-bottom:6px}
.bar{height:8px;border-radius:999px;background:rgba(148,163,184,.18);overflow:hidden;margin-top:14px}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--cyan),var(--blue))}
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .section{padding:62px 0}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0}
  .container{width:calc(100% - 28px)}
  .cta-band{padding:28px}
  .calendar-row{grid-template-columns:1fr;gap:8px}
  .hero-cat-inner{padding:56px 0 48px}
}
@media (max-width:520px){
  .grid-4,.tier-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .fab{width:52px;height:52px;bottom:88px;left:12px}
}

/* roulang page: category2 */
:root{
  --bg:#060b14;
  --bg-2:#0a1322;
  --panel:rgba(15,25,40,.78);
  --panel-solid:#101b2d;
  --line:rgba(72,145,255,.24);
  --line-strong:rgba(56,189,248,.48);
  --text:#f8fafc;
  --muted:#94a3b8;
  --blue:#38bdf8;
  --blue-deep:#2563eb;
  --cyan:#22d3ee;
  --green:#34d399;
  --amber:#fbbf24;
  --red:#fb7185;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 20px 60px rgba(2,8,23,.55);
  --glow:0 0 24px rgba(56,189,248,.28);
  --glow-strong:0 0 40px rgba(37,99,235,.45);
}
html{scroll-behavior:smooth}
*{box-sizing:border-box}
body{
  margin:0;
  background:
    radial-gradient(circle at 12% 8%, rgba(37,99,235,.20), transparent 28rem),
    radial-gradient(circle at 88% 22%, rgba(34,211,238,.14), transparent 24rem),
    linear-gradient(180deg,#030712 0%,var(--bg) 42%,#07111f 100%);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.035) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 80%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 80%);
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.section{position:relative;padding:82px 0;z-index:1}
.section-sm{padding:58px 0}
.section-head{margin-bottom:34px}
.lead{color:var(--muted);font-size:1.05rem;line-height:1.7}
.muted{color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 20px;border-radius:12px;
  font-weight:800;transition:.25s ease;border:1px solid transparent;
}
.btn-primary{
  color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue) 58%,#818cf8);
  box-shadow:0 0 28px rgba(56,189,248,.36);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.55)}
.btn-ghost{color:var(--blue);background:rgba(56,189,248,.07);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible{outline:3px solid rgba(34,211,238,.65);outline-offset:3px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);background:rgba(15,25,40,.72);color:var(--muted);
  font-size:.74rem;font-weight:700;
}
.tag.hot{color:#fca5a5;border-color:rgba(251,113,133,.42);background:rgba(251,113,133,.09)}
.tag.vip{color:#fcd34d;border-color:rgba(251,191,36,.42);background:rgba(251,191,36,.09)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.line-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.line-item:last-child{border-bottom:0}
.media{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--line);background:#0b1425;
}
.media img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
.media:hover img{transform:scale(1.045)}
.media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 35%,rgba(3,7,18,.88));
}
.media-copy{position:absolute;left:18px;right:18px;bottom:16px;z-index:2}
.calendar-row{
  display:grid;grid-template-columns:90px 1fr auto;gap:18px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item:last-child{border-bottom:0}
.faq-item summary{cursor:pointer;font-weight:800;color:var(--text);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item p{margin:12px 0 0;color:var(--muted)}
.subscribe input{
  width:100%;min-height:48px;padding:0 15px;border-radius:12px;
  color:var(--text);background:rgba(3,7,18,.72);border:1px solid var(--line);
}
.subscribe input::placeholder{color:#64748b}
.subscribe input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
footer{border-top:1px solid var(--line);background:#050b16;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.45fr .75fr .8fr 1fr;gap:34px;padding:58px 0}
.footer-link{display:block;color:var(--muted);padding:5px 0;transition:.2s}
.footer-link:hover{color:var(--cyan);transform:translateX(3px)}
.article-card{overflow:hidden;transition:.25s ease}
.article-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:.45s}
.article-card:hover .article-thumb img{transform:scale(1.06)}
.article-body{padding:19px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.76rem}
.article-title{font-size:1.04rem;line-height:1.45;margin:10px 0 9px;font-weight:800}
.side-list{display:grid;gap:12px}
.side-item{display:grid;grid-template-columns:78px 1fr;gap:13px;align-items:center}
.side-item img{width:78px;height:58px;object-fit:cover;border-radius:10px}
.hero{
  position:relative;min-height:680px;display:grid;align-items:center;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/1edd980ca1288750.jpg');background-size:cover;background-position:center}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(3,7,18,.98) 0%,rgba(3,7,18,.90) 42%,rgba(3,7,18,.52) 72%,rgba(3,7,18,.86) 100%);
}
.hero-content{position:relative;z-index:2;padding:82px 0}
.hero-panel{
  display:grid;grid-template-columns:1.16fr .84fr;gap:34px;align-items:end;
}
.hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}
.hero-metric{padding:17px;border-radius:14px;background:rgba(8,18,34,.75);border:1px solid var(--line)}
.flash-card{padding:16px;border-radius:14px;background:rgba(15,25,40,.82);border:1px solid var(--line);min-width:0}
.progress{height:7px;border-radius:999px;background:rgba(148,163,184,.18);overflow:hidden}
.progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--blue))}
.coin-card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(15,25,40,.92),rgba(8,17,31,.78));
  transition:.28s ease;overflow:hidden;
}
.coin-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow)}
.coin-card::before{
  content:"";position:absolute;top:-50%;left:-70%;width:65%;height:220%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);
  transform:rotate(18deg);transition:.6s ease;
}
.coin-card:hover::before{left:125%}
.rtp-badge{
  display:inline-flex;align-items:center;gap:5px;padding:5px 9px;border-radius:999px;
  color:#a7f3d0;background:rgba(52,211,153,.10);border:1px solid rgba(52,211,153,.32);
  font-size:.72rem;font-weight:800;
}
.category-strip{
  display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:14px;align-items:stretch;
}
.category-strip article{
  padding:22px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(10,19,34,.68);transition:.25s ease;
}
.category-strip article:hover{border-color:var(--line-strong);background:rgba(15,32,54,.82)}
.feature-panel{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center;
  padding:28px;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(13,25,42,.92),rgba(8,15,28,.72));
}
.feature-panel img{width:100%;height:380px;object-fit:cover;border-radius:var(--radius)}
.step-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{
  padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(12,23,39,.68);
}
.step-number{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  color:#03101f;background:linear-gradient(135deg,var(--cyan),var(--blue));
  font-weight:900;margin-bottom:18px;
}
.review-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}
.review-box{
  padding:26px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(11,21,36,.72);
}
.review-box blockquote{margin:0;color:#dbeafe;font-size:1.02rem}
.review-author{display:flex;align-items:center;gap:12px;margin-top:20px}
.avatar{
  display:grid;place-items:center;width:46px;height:46px;border-radius:50%;
  color:#03101f;background:linear-gradient(135deg,var(--cyan),#818cf8);font-weight:900;
}
.info-table{
  width:100%;border-collapse:collapse;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;background:rgba(10,19,34,.62);
}
.info-table th,.info-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line)}
.info-table th{color:var(--cyan);font-size:.82rem;text-transform:uppercase;letter-spacing:.06em}
.info-table tr:last-child td{border-bottom:0}
.cta-panel{
  display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center;
  padding:34px;border-radius:var(--radius-lg);border:1px solid var(--line-strong);
  background:
    radial-gradient(circle at 82% 20%,rgba(34,211,238,.18),transparent 18rem),
    linear-gradient(135deg,rgba(13,28,50,.96),rgba(8,16,30,.92));
  box-shadow:var(--glow);
}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:.82rem;margin-bottom:18px}
.breadcrumb a:hover{color:var(--cyan)}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:18px;
  display:grid;place-items:center;color:#e0f2fe;
  background:rgba(7,11,22,.84);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,11,22,.86),rgba(7,11,22,.86)),linear-gradient(135deg,var(--cyan),var(--blue-deep),#ec4899);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 24px rgba(34,211,238,.42);
  transition:.25s ease;
}
.fab:hover{transform:scale(1.1);box-shadow:0 0 38px rgba(34,211,238,.68)}
.fab:active{transform:scale(.95) translateY(3px)}
.fab .dot{
  position:absolute;top:-2px;right:-2px;width:14px;height:14px;border-radius:50%;
  background:#ec4899;box-shadow:0 0 12px #ec4899;animation:pulse 1.4s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.78)}}
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-panel,.feature-panel,.review-grid,.cta-panel{grid-template-columns:1fr}
  .category-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:768px){
  .container{width:min(100% - 28px,1180px)}
  .section{padding:62px 0}
  .hero{min-height:auto}
  .hero-content{padding:64px 0}
  .hero-metrics{grid-template-columns:1fr}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .step-list{grid-template-columns:1fr}
  .category-strip{grid-template-columns:1fr}
  .calendar-row{grid-template-columns:1fr;gap:8px}
  .feature-panel{padding:18px}
  .feature-panel img{height:280px}
  .info-table{font-size:.9rem}
  .info-table th,.info-table td{padding:13px 12px}
}
@media(max-width:520px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .btn{width:100%}
  .fab{left:14px;bottom:82px}
}

/* roulang page: article */
:root{
  --bg:#060b14;
  --bg-2:#0a1322;
  --panel:rgba(15,25,40,.78);
  --panel-solid:#101b2d;
  --line:rgba(72,145,255,.24);
  --line-strong:rgba(56,189,248,.48);
  --text:#f8fafc;
  --muted:#94a3b8;
  --blue:#38bdf8;
  --blue-deep:#2563eb;
  --cyan:#22d3ee;
  --green:#34d399;
  --amber:#fbbf24;
  --red:#fb7185;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 20px 60px rgba(2,8,23,.55);
  --glow:0 0 24px rgba(56,189,248,.28);
  --glow-strong:0 0 40px rgba(37,99,235,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(circle at 12% 8%, rgba(37,99,235,.20), transparent 28rem),
    radial-gradient(circle at 88% 22%, rgba(34,211,238,.14), transparent 24rem),
    linear-gradient(180deg,#030712 0%,var(--bg) 42%,#07111f 100%);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.035) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 80%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 80%);
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{border:0;cursor:pointer;background:none}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.section{position:relative;padding:78px 0;z-index:1}
.section-sm{padding:56px 0;position:relative;z-index:1}
.section-head{margin-bottom:32px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.h2{font-size:clamp(1.35rem,2.6vw,2rem);line-height:1.3;font-weight:900;margin:0 0 12px;letter-spacing:-.3px}
.h3{font-size:1.05rem;font-weight:800;margin:0 0 8px;line-height:1.4}
.lead{color:var(--muted);font-size:1.02rem;line-height:1.7;margin:0}
.muted{color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 22px;border-radius:12px;
  font-weight:800;font-size:.95rem;transition:.25s ease;border:1px solid transparent;
}
.btn-primary{
  color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue) 58%,#818cf8);
  box-shadow:0 0 28px rgba(56,189,248,.36);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.55)}
.btn-ghost{color:var(--blue);background:rgba(56,189,248,.07);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(34,211,238,.65);outline-offset:3px;border-radius:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 11px;border-radius:999px;
  border:1px solid var(--line);background:rgba(15,25,40,.72);color:var(--muted);
  font-size:.73rem;font-weight:700;line-height:1.2;
}
.tag.hot{color:#fca5a5;border-color:rgba(251,113,133,.42);background:rgba(251,113,133,.09)}
.tag.vip{color:#fcd34d;border-color:rgba(251,191,36,.42);background:rgba(251,191,36,.09)}
.tag.cyan{color:#67e8f9;border-color:rgba(34,211,238,.42);background:rgba(34,211,238,.09)}
.tag.green{color:#6ee7b7;border-color:rgba(52,211,153,.42);background:rgba(52,211,153,.09)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.panel{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(16,27,45,.92),rgba(8,15,28,.82));
  backdrop-filter:blur(14px);
}
/* ---------- Article hero ---------- */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);z-index:1}
.article-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/585acc937c21b8a3.jpg');
  background-size:cover;background-position:center;
  opacity:.42;
}
.article-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(92deg,rgba(3,7,18,.98) 0%,rgba(3,7,18,.9) 46%,rgba(5,12,24,.72) 100%);
}
.article-hero-inner{
  position:relative;z-index:2;padding:52px 0 66px;
  display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.78rem;color:var(--muted);margin-bottom:20px}
.breadcrumb a{transition:.2s}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{opacity:.5;font-size:.7rem}
.article-h1{
  font-size:clamp(1.62rem,3.3vw,2.6rem);line-height:1.28;font-weight:900;
  letter-spacing:-.6px;margin:16px 0 18px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;color:var(--muted);font-size:.84rem}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--cyan);font-size:.8rem}
.article-cover{
  margin:0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow),var(--glow);
}
.article-cover img{width:100%;height:330px;object-fit:cover}
/* ---------- Article body ---------- */
.article-shell{max-width:900px;margin-inline:auto}
.article-prose{
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(165deg,rgba(14,24,40,.86),rgba(7,14,26,.9));
  padding:clamp(22px,4vw,46px);
}
.article-prose h2{
  font-size:clamp(1.25rem,2.4vw,1.6rem);font-weight:900;line-height:1.35;
  margin:38px 0 14px;padding-left:16px;position:relative;letter-spacing:-.2px;
}
.article-prose h2:first-child{margin-top:0}
.article-prose h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--cyan),var(--blue-deep));
}
.article-prose h3{font-size:1.14rem;font-weight:800;margin:28px 0 10px;color:#e2f4ff}
.article-prose p{margin:0 0 16px;color:#c7d4e4;line-height:1.78}
.article-prose strong{color:#ffffff;font-weight:800}
.article-prose em{color:var(--cyan);font-style:italic}
.article-prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article-prose a:hover{color:#a5f3fc}
.article-prose ul,.article-prose ol{margin:0 0 18px;padding-left:22px;color:#c7d4e4}
.article-prose li{margin-bottom:9px;line-height:1.72}
.article-prose li::marker{color:var(--cyan)}
.article-prose img{
  width:100%;border-radius:var(--radius);border:1px solid var(--line);
  margin:22px 0;box-shadow:var(--shadow);
}
.article-prose blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--cyan);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  background:rgba(34,211,238,.07);color:#dbeafe;
}
.article-prose blockquote p:last-child{margin-bottom:0}
.article-prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.92rem;display:block;overflow-x:auto}
.article-prose th,.article-prose td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-prose th{background:rgba(56,189,248,.1);color:#e0f2fe;font-weight:800}
.article-prose hr{border:0;height:1px;background:var(--line);margin:32px 0}
.empty-state{text-align:center;padding:22px 0}
.empty-state h2{font-size:1.4rem;font-weight:900;margin:0 0 12px}
.empty-state p{color:var(--muted);margin:0 0 22px}
/* ---------- Highlights ---------- */
.hl-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.hl-item{
  display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;
  padding:22px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(12,21,36,.7);transition:.25s ease;
}
.hl-item:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.hl-num{
  display:grid;place-items:center;width:56px;height:56px;border-radius:14px;
  font-weight:900;font-size:1rem;color:#03101f;
  background:linear-gradient(140deg,var(--cyan),var(--blue-deep));
  box-shadow:0 0 18px rgba(56,189,248,.35);
}
.hl-item p{margin:0;color:var(--muted);font-size:.92rem;line-height:1.68}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:30px}
.stat-box{padding:20px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(9,17,32,.75)}
.stat-box b{display:block;font-size:1.45rem;font-weight:900;color:#e0f2fe;line-height:1.2}
.stat-box span{display:block;margin-top:6px;font-size:.8rem;color:var(--muted)}
/* ---------- Game grid ---------- */
.game-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.game-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(11,20,35,.78);transition:.28s ease;
}
.game-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 18px 40px rgba(2,8,23,.6),var(--glow)}
.game-card figure{margin:0;position:relative;overflow:hidden;aspect-ratio:16/10;background:#081326}
.game-card figure img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
.game-card:hover figure img{transform:scale(1.06)}
.game-card figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,0) 40%,rgba(3,7,18,.85))}
.game-body{padding:18px}
.game-body p{margin:0;color:var(--muted);font-size:.89rem;line-height:1.65}
.game-body .tag{margin-bottom:10px}
/* ---------- Payment ---------- */
.pay-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.pay-item{
  padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(16,27,45,.85),rgba(8,15,28,.7));transition:.25s ease;
}
.pay-item:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.pay-item i{font-size:1.4rem;color:var(--cyan);margin-bottom:12px;display:block}
.pay-item h3{font-size:.98rem;font-weight:800;margin:0 0 6px}
.pay-item p{margin:0;font-size:.85rem;color:var(--muted);line-height:1.62}
/* ---------- VIP steps ---------- */
.vip-steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.vip-step{
  position:relative;padding:22px 16px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(11,20,35,.72);text-align:left;
  transition:.25s ease;
}
.vip-step:hover{border-color:rgba(251,191,36,.5);box-shadow:0 0 26px rgba(251,191,36,.18);transform:translateY(-4px)}
.vip-step i{font-size:1.25rem;color:var(--amber);margin-bottom:12px;display:block}
.vip-step h3{font-size:.95rem;font-weight:800;margin:0 0 6px;color:#fef3c7}
.vip-step p{margin:0;font-size:.82rem;color:var(--muted);line-height:1.6}
/* ---------- FAQ ---------- */
.faq-wrap{border:1px solid var(--line);border-radius:var(--radius-lg);background:rgba(10,19,34,.72);padding:8px clamp(18px,3vw,32px)}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item:last-child{border-bottom:0}
.faq-item summary{cursor:pointer;font-weight:800;color:var(--text);list-style:none;display:flex;gap:12px;align-items:flex-start;font-size:1rem;line-height:1.5}
.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:.78rem;margin-left:auto;transition:.25s;padding-top:4px}
.faq-item[open] summary::after{content:"\f068";transform:rotate(180deg)}
.faq-item p{margin:12px 0 0;color:var(--muted);line-height:1.72;font-size:.94rem}
/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);padding:clamp(28px,5vw,54px);
  background:
    radial-gradient(circle at 82% 18%, rgba(34,211,238,.22), transparent 22rem),
    linear-gradient(150deg,rgba(37,99,235,.28),rgba(6,12,24,.92));
  box-shadow:var(--glow-strong);text-align:center;
}
.cta-panel h2{font-size:clamp(1.4rem,3vw,2.05rem);font-weight:900;margin:0 0 14px;line-height:1.3}
.cta-panel p{color:#c7d4e4;max-width:640px;margin:0 auto 26px;line-height:1.72}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:grid;place-items:center;width:56px;height:56px;border-radius:999px;
  color:#cffafe;font-size:1.15rem;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(135deg,#22d3ee,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  animation:fabPulse 3.2s ease-in-out infinite;opacity:.85;transition:.28s ease;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 32px rgba(34,211,238,.62)}
.fab:active{transform:scale(.94)}
.fab .fab-dot{position:absolute;top:6px;right:6px;width:9px;height:9px;border-radius:999px;background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);animation:dotBlink 1.4s ease-in-out infinite}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38)}50%{box-shadow:0 0 30px rgba(6,182,212,.62)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}
/* ---------- Footer ---------- */
footer{border-top:1px solid var(--line);background:#050b16;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.45fr .75fr .8fr 1fr;gap:34px;padding:58px 0}
.footer-link{display:block;color:var(--muted);padding:5px 0;transition:.2s;font-size:.92rem}
.footer-link:hover{color:var(--cyan);transform:translateX(3px)}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .article-hero-inner{grid-template-columns:1fr;gap:30px;padding:40px 0 54px}
  .article-cover img{height:280px}
  .hl-list{grid-template-columns:1fr}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pay-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .vip-steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:62px 0}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .section-sm{padding:42px 0}
  .article-h1{font-size:1.6rem}
  .article-prose{padding:22px 18px}
  .article-prose h2{font-size:1.22rem}
  .hl-item{grid-template-columns:46px 1fr;gap:14px;padding:18px}
  .hl-num{width:46px;height:46px;border-radius:12px;font-size:.9rem}
  .vip-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{width:min(100% - 28px,1180px)}
  .game-grid,.pay-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .vip-steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-cover img{height:220px}
  .article-hero-inner{padding:32px 0 44px}
  .fab{bottom:88px;left:12px;width:52px;height:52px}
}

/* roulang page: category3 */
:root{
  --bg:#060b14;
  --bg-2:#0a1322;
  --panel:rgba(15,25,40,.78);
  --panel-solid:#101b2d;
  --line:rgba(72,145,255,.24);
  --line-strong:rgba(56,189,248,.48);
  --text:#f8fafc;
  --muted:#94a3b8;
  --blue:#38bdf8;
  --blue-deep:#2563eb;
  --cyan:#22d3ee;
  --green:#34d399;
  --amber:#fbbf24;
  --red:#fb7185;
  --radius-sm:10px;
  --radius:16px;
  --radius-lg:24px;
  --shadow:0 20px 60px rgba(2,8,23,.55);
  --glow:0 0 24px rgba(56,189,248,.28);
  --glow-strong:0 0 40px rgba(37,99,235,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(circle at 12% 8%, rgba(37,99,235,.20), transparent 28rem),
    radial-gradient(circle at 88% 22%, rgba(34,211,238,.14), transparent 24rem),
    linear-gradient(180deg,#030712 0%,var(--bg) 42%,#07111f 100%);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  line-height:1.65;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(56,189,248,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(56,189,248,.035) 1px,transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.8),transparent 80%);
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer;border:0}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.section{position:relative;padding:82px 0;z-index:1}
.section-sm{padding:58px 0}
.section-head{margin-bottom:34px}
.lead{color:var(--muted);font-size:1.05rem;line-height:1.7}
.muted{color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:48px;padding:12px 20px;border-radius:12px;
  font-weight:800;transition:.25s ease;border:1px solid transparent;
}
.btn-primary{
  color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue) 58%,#818cf8);
  box-shadow:0 0 28px rgba(56,189,248,.36);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.55)}
.btn-ghost{color:var(--blue);background:rgba(56,189,248,.07);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid rgba(34,211,238,.65);outline-offset:3px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);background:rgba(15,25,40,.72);color:var(--muted);
  font-size:.74rem;font-weight:700;
}
.tag.hot{color:#fca5a5;border-color:rgba(251,113,133,.42);background:rgba(251,113,133,.09)}
.tag.vip{color:#fcd34d;border-color:rgba(251,191,36,.42);background:rgba(251,191,36,.09)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(16,27,45,.88),rgba(8,16,30,.78));
  box-shadow:var(--shadow);
}
.article-card{overflow:hidden;transition:.25s ease}
.article-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:.45s}
.article-card:hover .article-thumb img{transform:scale(1.06)}
.article-body{padding:19px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.76rem}
.article-title{font-size:1.04rem;line-height:1.45;margin:10px 0 9px;font-weight:800}
.side-list{display:grid;gap:12px}
.side-item{display:grid;grid-template-columns:78px 1fr;gap:13px;align-items:center}
.side-item img{width:78px;height:58px;object-fit:cover;border-radius:10px}
.faq-item{border-bottom:1px solid var(--line);padding:20px 0}
.faq-item:last-child{border-bottom:0}
.faq-item summary{cursor:pointer;font-weight:800;color:var(--text);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item p{margin:12px 0 0;color:var(--muted)}
footer{border-top:1px solid var(--line);background:#050b16;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.45fr .75fr .8fr 1fr;gap:34px;padding:58px 0}
.footer-link{display:block;color:var(--muted);padding:5px 0;transition:.2s}
.footer-link:hover{color:var(--cyan);transform:translateX(3px)}
.category-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(3,7,18,.98),rgba(3,7,18,.88) 48%,rgba(3,7,18,.56)),url('/assets/images/585acc937c21b8a3.jpg');
  background-size:cover;background-position:center;
}
.category-hero::after{
  content:"";position:absolute;inset:auto -6% -60% 42%;height:420px;
  background:radial-gradient(circle,rgba(37,99,235,.34),transparent 65%);
  filter:blur(12px);pointer-events:none;
}
.category-hero-inner{position:relative;z-index:2;padding:86px 0 72px;display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}
.search-panel{
  border:1px solid var(--line-strong);border-radius:22px;padding:22px;
  background:linear-gradient(145deg,rgba(16,27,45,.84),rgba(4,10,22,.78));
  backdrop-filter:blur(18px);box-shadow:var(--glow),var(--shadow);
}
.search-form{display:flex;gap:10px}
.search-form input{
  flex:1;min-width:0;min-height:54px;border-radius:14px;border:1px solid var(--line);
  color:var(--text);background:rgba(3,7,18,.74);padding:0 16px;
}
.search-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.13)}
.quick-chip{
  display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(56,189,248,.06);color:#cbd5e1;
  font-size:.8rem;font-weight:700;transition:.2s;
}
.quick-chip:hover,.quick-chip.active{border-color:var(--cyan);color:var(--cyan);background:rgba(34,211,238,.11)}
.benefit-card{padding:24px;transition:.25s ease}
.benefit-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.icon-box{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;
  color:var(--cyan);background:rgba(56,189,248,.09);border:1px solid var(--line-strong);
  font-size:1.15rem;margin-bottom:18px;
}
.scenario-row{
  display:grid;grid-template-columns:72px 1fr auto;gap:22px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.scenario-row:last-child{border-bottom:0}
.scenario-index{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  font-weight:900;color:#03101f;background:linear-gradient(135deg,var(--cyan),var(--blue));
  box-shadow:var(--glow);
}
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:steps}
.step-item{position:relative;padding:25px;border-left:2px solid var(--line-strong);background:rgba(15,25,40,.58);border-radius:0 var(--radius) var(--radius) 0}
.step-item::before{
  counter-increment:steps;content:counter(steps,decimal-leading-zero);
  display:block;font-size:2.1rem;font-weight:900;line-height:1;color:rgba(56,189,248,.25);margin-bottom:15px;
}
.proof-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--line);
}
.proof-cell{padding:24px;background:rgba(8,17,31,.92)}
.review-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.review-card{padding:25px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(10,19,34,.72)}
.review-card i{color:var(--amber)}
.compare-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,17,31,.72)}
.compare-table{width:100%;border-collapse:collapse;min-width:720px}
.compare-table th,.compare-table td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line)}
.compare-table th{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--cyan)}
.compare-table td{color:var(--muted)}
.compare-table td:first-child{color:var(--text);font-weight:700}
.compare-table tr:last-child td{border-bottom:0}
.cms-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.empty-state{padding:28px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);background:rgba(15,25,40,.45)}
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:42px;background:
    linear-gradient(120deg,rgba(37,99,235,.34),rgba(34,211,238,.14)),
    url('/assets/images/f20d25c70dce65cc.jpg') center/cover;
  box-shadow:var(--glow-strong);
}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(3,7,18,.62)}
.cta-band > *{position:relative;z-index:1}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:18px;
  display:grid;place-items:center;color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  border:1px solid rgba(255,255,255,.34);
  box-shadow:0 0 24px rgba(56,189,248,.52);
  transition:.25s ease;animation:fabPulse 2.8s ease-in-out infinite;
}
.fab:hover{transform:scale(1.08) rotate(-4deg);box-shadow:0 0 38px rgba(56,189,248,.76)}
.fab:active{transform:scale(.95)}
.fab .dot{position:absolute;top:-4px;right:-4px;width:14px;height:14px;border-radius:50%;background:var(--red);border:2px solid #fff;animation:dotPulse 1.4s infinite}
@keyframes fabPulse{0%,100%{opacity:.82;box-shadow:0 0 20px rgba(56,189,248,.42)}50%{opacity:1;box-shadow:0 0 38px rgba(56,189,248,.72)}}
@keyframes dotPulse{0%,100%{box-shadow:0 0 0 0 rgba(251,113,133,.65)}50%{box-shadow:0 0 0 7px rgba(251,113,133,0)}}
@media (max-width:1024px){
  .grid-4,.step-grid,.proof-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .category-hero-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr;gap:28px}
  .cms-list{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .container{width:min(100% - 28px,1180px)}
  .section{padding:64px 0}
  .grid-2,.grid-3,.grid-4,.review-grid,.cms-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .scenario-row{grid-template-columns:56px 1fr;gap:16px}
  .scenario-row .btn{grid-column:2;justify-self:start}
  .cta-band{padding:30px 22px}
  .search-form{flex-direction:column}
}
@media (max-width:520px){
  .category-hero-inner{padding:60px 0 52px}
  .footer-grid,.proof-strip,.step-grid{grid-template-columns:1fr}
  .fab{bottom:82px;width:54px;height:54px}
  h1{font-size:2rem!important}
  h2{font-size:1.55rem!important}
}