/* roulang page: index */
:root{
  --bg-deep:#0B1A30;
  --bg-abyss:#071223;
  --bg-panel:#0F2440;
  --bg-panel-2:#123054;
  --cyan:#00F0FF;
  --lime:#CCFF00;
  --pink:#FF3D8A;
  --text:#FFFFFF;
  --text-dim:#A6ACAF;
  --text-soft:#C9E6F2;
  --line:rgba(0,240,255,.18);
  --line-soft:rgba(255,255,255,.08);
  --radius:14px;
  --radius-lg:22px;
  --shadow-neon:0 0 18px rgba(0,240,255,.35);
  --shadow-card:0 12px 32px rgba(0,0,0,.45);
  --grad-cta:linear-gradient(135deg,#00F0FF 0%,#CCFF00 100%);
  --font:'Segoe UI','Be Vietnam Pro',Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);background:var(--bg-deep);color:var(--text);
  line-height:1.65;font-size:16px;
  background-image:radial-gradient(ellipse at 20% -10%,rgba(0,240,255,.08),transparent 55%),
    radial-gradient(ellipse at 90% 10%,rgba(204,255,0,.05),transparent 45%);
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s}
a:hover{color:var(--lime)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{line-height:1.28;margin:0 0 .5em;color:var(--text)}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ NAVBAR ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(7,18,35,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:66px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand-icon{
  width:38px;height:38px;flex:none;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#123054,#071223);
  border:1px solid var(--cyan);box-shadow:var(--shadow-neon);
  display:flex;align-items:center;justify-content:center;color:var(--cyan);font-size:17px;
}
.brand-text{font-weight:800;font-size:15px;letter-spacing:.2px;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text em{font-style:normal;color:var(--lime)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{
  color:var(--text-soft);font-size:15px;font-weight:600;padding:6px 2px;position:relative;letter-spacing:.2px;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad-cta);transform:scaleX(0);transform-origin:left;transition:transform .25s;
}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none}
.btn-login{background:none;border:none;color:var(--text-soft);font-size:14px;font-weight:600;padding:8px 6px;transition:color .2s}
.btn-login:hover{color:var(--cyan)}
.btn-signup{
  background:var(--grad-cta);color:#071223;font-weight:800;font-size:14px;
  border:none;border-radius:999px;padding:10px 22px;letter-spacing:.3px;
  box-shadow:0 0 14px rgba(0,240,255,.4);transition:transform .2s,box-shadow .2s;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 22px rgba(204,255,0,.5)}
.btn-signup:active{transform:translateY(0) scale(.97)}

/* ============ HERO ============ */
.hero{
  padding:132px 0 70px;position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(7,18,35,.88) 0%,rgba(11,26,48,.94) 70%,var(--bg-deep) 100%),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-pain{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--lime);
  border:1px solid rgba(204,255,0,.35);border-radius:999px;padding:6px 16px;margin-bottom:18px;
  background:rgba(204,255,0,.06);
}
.hero h1{font-size:34px;font-weight:900;letter-spacing:.2px}
.hero h1 span{color:var(--cyan);text-shadow:0 0 18px rgba(0,240,255,.5)}
.hero-sub{color:var(--text-soft);font-size:16.5px;max-width:560px}
.hero-ctas{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px}
.btn-primary{
  display:inline-flex;align-items:center;gap:10px;background:var(--grad-cta);color:#071223;
  font-weight:800;font-size:16px;border:none;border-radius:12px;padding:15px 30px;
  box-shadow:0 0 20px rgba(0,240,255,.45);transition:transform .2s,box-shadow .2s;
}
.btn-primary:hover{transform:translateY(-2px) scale(1.02);box-shadow:0 0 30px rgba(204,255,0,.55);color:#071223}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;background:transparent;color:var(--cyan);
  font-weight:700;font-size:15px;border:1px solid var(--cyan);border-radius:12px;padding:14px 26px;
  transition:background .2s,box-shadow .2s;
}
.btn-ghost:hover{background:rgba(0,240,255,.1);box-shadow:var(--shadow-neon);color:var(--cyan)}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:24px;font-weight:900;color:var(--lime)}
.hero-stats .stat span{font-size:13px;color:var(--text-dim)}
.hero-demo{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  background:var(--bg-panel);box-shadow:var(--shadow-card);
}
.hero-demo-head{
  display:flex;align-items:center;justify-content:space-between;padding:14px 20px;
  border-bottom:1px solid var(--line-soft);font-size:13px;font-weight:700;color:var(--cyan);
}
.hero-demo-head .live{display:inline-flex;align-items:center;gap:7px;color:var(--lime)}
.hero-demo-head .live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 8px var(--lime);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero-demo img{width:100%;height:280px;object-fit:cover}
.hero-demo-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line-soft)}
.hero-demo-foot div{background:var(--bg-panel);padding:12px 10px;text-align:center}
.hero-demo-foot b{display:block;font-size:16px;color:var(--cyan)}
.hero-demo-foot span{font-size:12px;color:var(--text-dim)}

/* ============ SECTIONS ============ */
section{padding:70px 0}
.sec-head{max-width:720px;margin-bottom:38px}
.sec-tag{font-size:12.5px;font-weight:800;letter-spacing:2px;text-transform:uppercase;color:var(--pink);margin-bottom:8px}
.sec-head h2{font-size:28px;font-weight:900}
.sec-head p{color:var(--text-soft);font-size:15.5px;margin:0}

/* App download */
.app-sec{background:var(--bg-abyss);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.app-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.dl-buttons{display:flex;flex-wrap:wrap;gap:14px;margin:24px 0}
.dl-btn{
  display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:14px;
  padding:13px 22px;background:var(--bg-panel);transition:border-color .2s,box-shadow .2s,transform .2s;
}
.dl-btn i{font-size:26px;color:var(--cyan)}
.dl-btn small{display:block;font-size:11px;color:var(--text-dim);letter-spacing:.5px}
.dl-btn b{font-size:15px;color:#fff}
.dl-btn:hover{border-color:var(--lime);box-shadow:0 0 16px rgba(204,255,0,.25);transform:translateY(-2px)}
.sysreq{border-top:1px solid var(--line-soft);padding-top:20px}
.sysreq h3{font-size:16px;color:var(--lime)}
.sysreq ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.sysreq li{font-size:14px;color:var(--text-soft);display:flex;gap:9px;align-items:flex-start}
.sysreq li i{color:var(--cyan);margin-top:4px;font-size:12px}
.app-shot{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card)}
.app-shot img{width:100%;height:420px;object-fit:cover}

/* Game grid */
.games-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.game-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg-panel);
  transition:transform .25s,box-shadow .25s,border-color .25s;position:relative;
}
.game-card:hover{transform:translateY(-6px) scale(1.02);box-shadow:0 0 22px rgba(0,240,255,.35);border-color:var(--cyan)}
.game-card .tag{
  position:absolute;top:10px;left:10px;z-index:2;font-size:11px;font-weight:800;letter-spacing:.5px;
  background:var(--pink);color:#fff;border-radius:6px;padding:3px 9px;box-shadow:0 0 10px rgba(255,61,138,.6);
}
.game-card img{width:100%;height:150px;object-fit:cover}
.game-card .gc-body{padding:14px 16px 16px}
.game-card h3{font-size:15.5px;font-weight:800;margin-bottom:4px}
.game-card p{font-size:13px;color:var(--text-dim);margin:0 0 10px}
.game-card .gc-meta{display:flex;justify-content:space-between;align-items:center;font-size:12.5px}
.game-card .rtp{color:var(--lime);font-weight:800}
.game-card .play{color:var(--cyan);font-weight:700}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  border-left:2px solid var(--line);padding:4px 0 4px 20px;position:relative;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:26px;font-weight:900;color:var(--cyan);display:block;margin-bottom:8px;
  text-shadow:0 0 14px rgba(0,240,255,.5);
}
.step h3{font-size:16px;font-weight:800}
.step p{font-size:14px;color:var(--text-soft);margin:0}

/* Tips */
.tips-sec{background:linear-gradient(180deg,rgba(7,18,35,.92),rgba(11,26,48,.96)),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.tips-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 34px}
.tip{display:flex;gap:16px;align-items:flex-start;padding:16px 0;border-bottom:1px dashed var(--line-soft)}
.tip i{
  width:44px;height:44px;flex:none;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:18px;color:var(--lime);background:rgba(204,255,0,.08);border:1px solid rgba(204,255,0,.3);
}
.tip h3{font-size:15.5px;font-weight:800;margin-bottom:3px}
.tip p{font-size:14px;color:var(--text-soft);margin:0}

/* Security + guarantee */
.sec-split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start}
.shield-list{list-style:none;margin:0;padding:0}
.shield-list li{display:flex;gap:16px;padding:15px 0;border-bottom:1px solid var(--line-soft)}
.shield-list li:last-child{border-bottom:none}
.shield-list i{color:var(--cyan);font-size:20px;margin-top:3px;width:26px;text-align:center}
.shield-list b{display:block;font-size:15px;margin-bottom:2px}
.shield-list p{font-size:13.5px;color:var(--text-dim);margin:0}
.pledge-band{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.pledge{
  border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:var(--bg-panel);
  transition:border-color .2s,box-shadow .2s;
}
.pledge:hover{border-color:var(--lime);box-shadow:0 0 14px rgba(204,255,0,.2)}
.pledge i{font-size:22px;color:var(--lime);margin-bottom:8px;display:block}
.pledge b{font-size:14.5px;display:block;margin-bottom:3px}
.pledge span{font-size:12.5px;color:var(--text-dim)}
.pay-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.pay-badge{
  font-size:12.5px;font-weight:800;color:#071223;border-radius:8px;padding:7px 14px;letter-spacing:.3px;
}
.pay-momo{background:#F8A5C8}.pay-zalo{background:#8CC5FF}.pay-vqr{background:#CCFF00}.pay-napas{background:#00F0FF}

/* Reviews */
.reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{
  border:1px solid var(--line-soft);border-radius:var(--radius);padding:22px;background:var(--bg-panel);
  transition:transform .2s,border-color .2s;
}
.review:hover{transform:translateY(-4px);border-color:var(--line)}
.review .stars{color:var(--lime);font-size:13px;margin-bottom:10px;letter-spacing:2px}
.review p{font-size:14px;color:var(--text-soft);margin-bottom:14px}
.review .who{display:flex;align-items:center;gap:11px}
.review .avatar{
  width:38px;height:38px;border-radius:50%;background:var(--grad-cta);color:#071223;
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;flex:none;
}
.review .who b{font-size:14px;display:block}
.review .who span{font-size:12px;color:var(--text-dim)}

/* News */
.news-sec{background:var(--bg-abyss);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.news-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:44px;align-items:start}
.news-list{list-style:none;margin:0;padding:0}
.news-list li{
  display:flex;align-items:baseline;gap:14px;padding:15px 4px;border-bottom:1px dashed var(--line-soft);
  transition:background .2s;
}
.news-list li:hover{background:rgba(0,240,255,.04)}
.news-list .n-cat{
  flex:none;font-size:11px;font-weight:800;letter-spacing:.5px;color:var(--pink);
  border:1px solid rgba(255,61,138,.4);border-radius:6px;padding:2px 9px;
}
.news-list .n-title{flex:1;min-width:0}
.news-list .n-title a{color:var(--text);font-size:15px;font-weight:600;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-list .n-title a:hover{color:var(--cyan)}
.news-list .n-title small{display:block;font-size:12.5px;color:var(--text-dim);font-weight:400;white-space:normal}
.news-list .n-date{flex:none;font-size:12.5px;color:var(--text-dim)}
.news-empty{padding:34px 0;color:var(--text-dim);font-size:14.5px;border:1px dashed var(--line-soft);border-radius:var(--radius);text-align:center}
.news-aside{border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;background:var(--bg-panel)}
.news-aside h3{font-size:17px;font-weight:900;color:var(--lime)}
.news-aside p{font-size:13.5px;color:var(--text-soft)}
.news-aside .hotlinks{list-style:none;margin:14px 0 0;padding:0}
.news-aside .hotlinks li{padding:10px 0;border-bottom:1px solid var(--line-soft);font-size:14px}
.news-aside .hotlinks li:last-child{border-bottom:none}
.news-aside .hotlinks i{color:var(--cyan);margin-right:9px;font-size:12px}

/* FAQ */
.faq-list{max-width:820px}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:19px 4px;font-size:16px;font-weight:700;color:#fff;transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--cyan);transition:transform .25s}
.faq-item[open] summary{color:var(--cyan)}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item .faq-a{padding:0 4px 20px;font-size:14.5px;color:var(--text-soft)}

/* Final CTA */
.cta-final{
  text-align:center;
  background:linear-gradient(180deg,rgba(7,18,35,.9),rgba(7,18,35,.94)),url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  border-top:1px solid var(--line);
}
.cta-final h2{font-size:30px;font-weight:900}
.cta-final h2 span{color:var(--lime)}
.cta-final p{max-width:620px;margin:0 auto 28px;color:var(--text-soft)}
.cta-final .hero-ctas{justify-content:center}

/* Footer */
.site-footer{background:var(--bg-abyss);border-top:1px solid var(--line);padding:54px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-grid h4{font-size:15px;font-weight:800;color:var(--cyan);margin-bottom:14px}
.footer-grid p{font-size:13.5px;color:var(--text-dim)}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid ul li{margin-bottom:9px;font-size:14px}
.footer-grid ul a{color:var(--text-soft)}
.footer-grid ul a:hover{color:var(--cyan)}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;border:1px solid var(--pink);color:var(--pink);
  font-weight:900;font-size:13px;border-radius:8px;padding:6px 12px;margin-top:14px;
}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:18px 0;display:flex;justify-content:space-between;
  align-items:center;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--text-dim);
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:flex;align-items:center;gap:10px;min-width:48px;min-height:48px;
  padding:12px 18px;border-radius:999px;background:rgba(0,0,0,.6);backdrop-filter:blur(8px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,18,35,.85),rgba(7,18,35,.85)),linear-gradient(135deg,var(--cyan),var(--lime));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 15px rgba(0,240,255,.5);color:#fff;font-weight:800;font-size:13px;
  opacity:.65;transition:opacity .25s,box-shadow .25s,transform .2s;
}
.fab i{color:var(--cyan);font-size:18px;text-shadow:0 0 10px rgba(0,240,255,.8)}
.fab .fab-new{color:var(--lime);font-size:11px;animation:pulse 1.4s infinite}
.fab:hover{opacity:1;box-shadow:0 0 26px rgba(0,240,255,.75);color:#fff}
.fab:active{transform:scale(.95);box-shadow:0 0 26px rgba(255,61,138,.7)}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid,.app-grid,.sec-split,.news-grid{grid-template-columns:1fr;gap:36px}
  .games-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .reviews-grid{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:29px}
  .app-shot img{height:340px}
}
@media (max-width:768px){
  .main-nav{display:none}
  .brand-text{font-size:13px;max-width:44vw}
  .games-grid{grid-template-columns:repeat(2,1fr)}
  .reviews-grid{grid-template-columns:1fr}
  .tips-grid{grid-template-columns:1fr}
  .pledge-band{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  section{padding:54px 0}
  .hero{padding:110px 0 56px}
  .news-list .n-date{display:none}
}
@media (max-width:520px){
  .games-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .sysreq ul{grid-template-columns:1fr}
  .pledge-band{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:24px}
  .sec-head h2{font-size:22px}
  .cta-final h2{font-size:24px}
  .btn-signup{padding:9px 16px;font-size:13px}
  .btn-login{font-size:13px}
  .hero-demo img{height:200px}
  .news-list .n-title a{white-space:normal}
  .fab span.fab-label{display:none}
  .fab{padding:12px}
}

/* roulang page: article */
:root{
  --bg:#0B1A30;
  --bg-deep:#071223;
  --bg-panel:#0F2240;
  --violet:#0F0C20;
  --cyan:#00F0FF;
  --lime:#CCFF00;
  --white:#FFFFFF;
  --gray:#A6ACAF;
  --line:rgba(0,240,255,.16);
  --radius:14px;
  --radius-sm:10px;
  --shadow-neon:0 0 18px rgba(0,240,255,.28);
  --shadow-card:0 10px 30px rgba(0,0,0,.45);
  --trans:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
  background:var(--bg-deep);
  color:var(--white);
  line-height:1.65;
  background-image:
    radial-gradient(1100px 500px at 80% -10%, rgba(0,240,255,.08), transparent 60%),
    radial-gradient(900px 500px at 0% 30%, rgba(204,255,0,.05), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-deep) 100%);
  background-attachment:fixed;
}
a{color:var(--cyan);text-decoration:none;transition:var(--trans)}
a:hover{color:var(--lime)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(7,18,35,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
  width:40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(0,240,255,.2),rgba(204,255,0,.12));
  border:1px solid var(--line);
  color:var(--cyan);font-size:19px;
  box-shadow:var(--shadow-neon);
}
.brand-text{font-weight:800;font-size:1.06rem;color:var(--white);letter-spacing:.2px}
.brand-text em{font-style:normal;color:var(--lime)}
.main-nav{display:flex;gap:8px;margin-left:auto}
.main-nav a{
  color:var(--gray);font-weight:600;font-size:.95rem;
  padding:8px 14px;border-radius:999px;position:relative;
}
.main-nav a:hover{color:var(--white)}
.main-nav a.active{
  color:var(--cyan);
  background:rgba(0,240,255,.08);
  box-shadow:inset 0 0 0 1px rgba(0,240,255,.25);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{
  background:none;border:none;color:var(--white);
  font-weight:600;font-size:.92rem;padding:9px 12px;border-radius:8px;
  transition:var(--trans);
}
.btn-login:hover{color:var(--cyan)}
.btn-signup{
  background:linear-gradient(135deg,var(--cyan),#00b8d9);
  color:#03222b;border:none;font-weight:800;font-size:.92rem;
  padding:10px 20px;border-radius:999px;
  box-shadow:0 0 14px rgba(0,240,255,.4);
  transition:var(--trans);
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 22px rgba(0,240,255,.6)}
.btn-signup:active{transform:scale(.97)}

/* ===== Article banner ===== */
.article-banner{
  margin-top:68px;
  position:relative;
  background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  padding:72px 0 54px;
}
.article-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,18,35,.72) 0%,rgba(7,18,35,.9) 78%,var(--bg-deep) 100%);
}
.banner-inner{position:relative;z-index:1;max-width:860px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.85rem;color:var(--gray);margin-bottom:18px;
}
.breadcrumb a{color:var(--gray)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb i{font-size:.65rem;color:rgba(166,172,175,.6)}
.article-banner h1{
  font-size:2.1rem;line-height:1.32;font-weight:800;margin:0 0 18px;
  text-shadow:0 2px 18px rgba(0,0,0,.55);
}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:.88rem;color:var(--gray)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--cyan)}
.meta-cat{
  background:rgba(0,240,255,.1);border:1px solid var(--line);
  padding:4px 13px;border-radius:999px;color:var(--cyan);font-weight:600;
}

/* ===== Layout ===== */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;
  padding:52px 0 30px;align-items:start;
}

/* ===== Article body ===== */
.article-body{
  font-size:1.02rem;color:#dbe6ef;
  overflow-wrap:break-word;word-break:break-word;
}
.article-body h2{
  font-size:1.45rem;font-weight:800;color:var(--white);
  margin:2.2em 0 .7em;padding-left:14px;
  border-left:4px solid var(--cyan);line-height:1.35;
}
.article-body h3{font-size:1.18rem;font-weight:700;color:var(--lime);margin:1.8em 0 .6em}
.article-body p{margin:0 0 1.15em}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body img{border-radius:var(--radius);margin:1.4em 0;border:1px solid var(--line)}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;
  background:rgba(0,240,255,.06);border-left:3px solid var(--cyan);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#c7d6e2;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.95rem}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:rgba(0,240,255,.08);color:var(--cyan)}

/* Not found */
.not-found{
  text-align:center;padding:70px 24px;
  border:1px dashed var(--line);border-radius:var(--radius);
  background:rgba(15,34,64,.5);
}
.not-found i{font-size:2.6rem;color:var(--cyan);margin-bottom:16px;display:block;opacity:.7}
.not-found p{color:var(--gray);margin:0 0 22px;font-size:1.05rem}
.btn-back{
  display:inline-flex;align-items:center;gap:9px;
  background:linear-gradient(135deg,var(--cyan),#00b8d9);color:#03222b;
  font-weight:800;padding:12px 26px;border-radius:999px;
  box-shadow:0 0 16px rgba(0,240,255,.35);transition:var(--trans);
}
.btn-back:hover{color:#03222b;transform:translateY(-2px);box-shadow:0 0 26px rgba(0,240,255,.55)}

/* ===== Sidebar ===== */
.article-aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:26px}
.aside-box{
  background:linear-gradient(160deg,var(--bg-panel),rgba(15,12,32,.85));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-card);
}
.aside-box h3{
  font-size:1.02rem;font-weight:800;margin:0 0 16px;
  display:flex;align-items:center;gap:9px;color:var(--white);
}
.aside-box h3 i{color:var(--lime)}
.aside-cover{border-radius:var(--radius-sm);margin-bottom:16px;border:1px solid var(--line)}
.aside-box p{font-size:.9rem;color:var(--gray);margin:0 0 16px}
.aside-cta{
  display:flex;align-items:center;justify-content:center;gap:9px;
  background:linear-gradient(135deg,var(--lime),#9ee800);color:#1c2400;
  font-weight:800;font-size:.95rem;padding:13px 18px;border-radius:999px;width:100%;
  box-shadow:0 0 15px rgba(204,255,0,.3);transition:var(--trans);
}
.aside-cta:hover{color:#1c2400;transform:translateY(-2px);box-shadow:0 0 24px rgba(204,255,0,.5)}
.aside-list{list-style:none;padding:0;margin:0}
.aside-list li{
  display:flex;align-items:flex-start;gap:11px;
  padding:11px 0;border-bottom:1px solid rgba(0,240,255,.08);
  font-size:.9rem;color:#c7d6e2;
}
.aside-list li:last-child{border-bottom:none;padding-bottom:0}
.aside-list li:first-child{padding-top:0}
.aside-list i{color:var(--cyan);margin-top:3px;flex-shrink:0}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.pay-badges span{
  font-size:.78rem;font-weight:700;color:var(--cyan);
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;
  background:rgba(0,240,255,.06);
}

/* ===== Bottom CTA band ===== */
.cta-band{
  margin:40px 0 70px;position:relative;overflow:hidden;
  border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(0,240,255,.12),rgba(15,12,32,.9) 55%),url('/assets/images/backpic/back-3.jpg') center/cover;
  padding:46px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band h2{font-size:1.55rem;font-weight:800;margin:0 0 8px}
.cta-band h2 span{color:var(--lime)}
.cta-band p{color:#c7d6e2;margin:0;max-width:560px;font-size:.97rem}
.cta-buttons{display:flex;gap:14px;flex-wrap:wrap}
.cta-primary{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,var(--cyan),#00b8d9);color:#03222b;
  font-weight:800;padding:14px 28px;border-radius:999px;font-size:1rem;
  box-shadow:0 0 18px rgba(0,240,255,.45);transition:var(--trans);
}
.cta-primary:hover{color:#03222b;transform:translateY(-2px) scale(1.02);box-shadow:0 0 30px rgba(0,240,255,.65)}
.cta-ghost{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--lime);color:var(--lime);
  font-weight:700;padding:14px 26px;border-radius:999px;font-size:.97rem;
  transition:var(--trans);
}
.cta-ghost:hover{background:rgba(204,255,0,.1);color:var(--lime);box-shadow:0 0 16px rgba(204,255,0,.3)}

/* ===== FAB ===== */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:950;
  display:flex;align-items:center;gap:10px;
  min-width:48px;min-height:48px;padding:12px 18px;
  border-radius:999px;border:1px solid transparent;
  background:
    linear-gradient(rgba(0,0,0,.62),rgba(0,0,0,.62)) padding-box,
    linear-gradient(135deg,var(--lime),var(--cyan)) border-box;
  backdrop-filter:blur(8px);
  color:var(--white);font-weight:700;font-size:.9rem;
  box-shadow:0 0 15px rgba(0,240,255,.5);
  opacity:.65;transition:var(--trans);
  animation:fabBreathe 3.2s ease-in-out infinite;
}
.fab-support i{color:var(--cyan);font-size:1.15rem;text-shadow:0 0 8px rgba(0,240,255,.8)}
.fab-support:hover{opacity:1;color:var(--white);box-shadow:0 0 28px rgba(0,240,255,.75);animation:none}
.fab-support:active{border-color:#FF007F;box-shadow:0 0 20px rgba(255,0,127,.6)}
.fab-dot{
  position:absolute;top:-3px;right:-2px;width:11px;height:11px;border-radius:50%;
  background:#FF007F;box-shadow:0 0 8px rgba(255,0,127,.9);
  animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes fabBreathe{0%,100%{opacity:.6}50%{opacity:.92}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.25}}

/* ===== Footer ===== */
.site-footer{
  background:linear-gradient(180deg,var(--violet),#090616);
  border-top:1px solid var(--line);
  padding:56px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:44px;
  padding-bottom:44px;
}
.site-footer h4{font-size:1.02rem;font-weight:800;color:var(--white);margin:0 0 16px}
.site-footer p{font-size:.9rem;color:var(--gray);margin:0 0 16px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer ul li{padding:6px 0;font-size:.9rem;color:var(--gray)}
.site-footer ul a{color:var(--gray)}
.site-footer ul a:hover{color:var(--cyan)}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,0,127,.5);color:#ff7ab5;
  font-size:.8rem;font-weight:700;border-radius:999px;padding:6px 14px;
}
.footer-bottom{
  border-top:1px solid rgba(0,240,255,.1);
  padding:20px 22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:.8rem;color:rgba(166,172,175,.75);
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:36px}
  .article-aside{position:static;flex-direction:row;flex-wrap:wrap}
  .aside-box{flex:1 1 300px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-inner{gap:14px;height:auto;flex-wrap:wrap;padding:10px 0}
  .main-nav{order:3;width:100%;overflow-x:auto;padding-bottom:6px;margin-left:0}
  .main-nav a{white-space:nowrap;font-size:.88rem;padding:7px 12px}
  .nav-actions{margin-left:auto}
  .article-banner{margin-top:112px;padding:52px 0 40px}
  .article-banner h1{font-size:1.6rem}
  .cta-band{padding:34px 26px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .brand-text{font-size:.92rem}
  .btn-signup{padding:9px 15px;font-size:.85rem}
  .btn-login{padding:8px 8px;font-size:.85rem}
  .article-banner h1{font-size:1.38rem}
  .article-body{font-size:.97rem}
  .article-body h2{font-size:1.22rem}
  .cta-band h2{font-size:1.25rem}
  .cta-primary,.cta-ghost{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .fab-support{padding:12px 14px}
  .fab-text{display:none}
}

/* roulang page: category2 */
\n:root{\n  --bg:#0F0C20;\n  --bg-2:#0B1A30;\n  --bg-3:#141031;\n  --lime:#CCFF00;\n  --cyan:#00F0FF;\n  --white:#FFFFFF;\n  --gray:#A6ACAF;\n  --line:rgba(0,240,255,.16);\n  --line-soft:rgba(255,255,255,.08);\n  --radius:14px;\n  --radius-sm:10px;\n  --shadow-neon:0 0 18px rgba(0,240,255,.22);\n  --shadow-lime:0 0 18px rgba(204,255,0,.25);\n  --wrap:1180px;\n}\n*,*::before,*::after{box-sizing:border-box}\nhtml{scroll-behavior:smooth}\nbody{\n  margin:0;\n  font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;\n  background:var(--bg);\n  color:var(--white);\n  line-height:1.65;\n  font-size:16px;\n  -webkit-font-smoothing:antialiased;\n}\nimg{max-width:100%;display:block}\na{color:var(--cyan);text-decoration:none;transition:color .2s}\na:hover,a:focus{color:var(--lime)}\nbutton{font-family:inherit;cursor:pointer}\nh1,h2,h3,h4{line-height:1.25;margin:0 0 .5em;color:var(--white)}\np{margin:0 0 1em}\n.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}\n\n/* ===== Header ===== */\n.site-header{\n  position:fixed;top:0;left:0;right:0;z-index:100;\n  background:rgba(15,12,32,.92);\n  backdrop-filter:blur(12px);\n  border-bottom:1px solid var(--line);\n}\n.nav-inner{display:flex;align-items:center;gap:28px;height:68px}\n.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}\n.brand-icon{\n  width:38px;height:38px;border-radius:10px;\n  display:flex;align-items:center;justify-content:center;\n  background:linear-gradient(135deg,rgba(0,240,255,.18),rgba(204,255,0,.14));\n  border:1px solid var(--line);\n  color:var(--cyan);font-size:18px;\n  box-shadow:var(--shadow-neon);\n}\n.brand-text{font-weight:800;font-size:17px;color:var(--white);letter-spacing:.2px;white-space:nowrap}\n.brand-text em{font-style:normal;color:var(--lime)}\n.main-nav{display:flex;gap:6px;margin-left:auto}\n.main-nav a{\n  color:var(--gray);font-weight:600;font-size:14.5px;\n  padding:8px 14px;border-radius:999px;position:relative;\n  transition:color .2s,background .2s;\n}\n.main-nav a:hover{color:var(--white);background:rgba(0,240,255,.08)}\n.main-nav a.active{\n  color:var(--cyan);\n  background:rgba(0,240,255,.1);\n}\n.main-nav a.active::after{\n  content:\"\";position:absolute;left:14px;right:14px;bottom:2px;height:2px;\n  background:linear-gradient(90deg,var(--cyan),var(--lime));border-radius:2px;\n}\n.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}\n.btn-login{\n  background:none;border:none;color:var(--white);\n  font-weight:600;font-size:14.5px;padding:9px 12px;border-radius:8px;\n  transition:color .2s;\n}\n.btn-login:hover{color:var(--cyan)}\n.btn-signup{\n  background:linear-gradient(135deg,var(--cyan),var(--lime));\n  color:#06131f;border:none;font-weight:800;font-size:14.5px;\n  padding:10px 20px;border-radius:999px;\n  box-shadow:var(--shadow-neon);\n  transition:transform .2s,box-shadow .2s;\n}\n.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(0,240,255,.4)}\n.btn-signup:active{transform:translateY(0) scale(.97)}\n\n/* ===== Hero: flash promo strip + featured code ===== */\n.hero{\n  padding:130px 0 70px;\n  background:\n    linear-gradient(180deg,rgba(15,12,32,.9) 0%,rgba(11,26,48,.94) 60%,var(--bg) 100%),\n    url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;\n  border-bottom:1px solid var(--line-soft);\n}\n.flash-bar{\n  display:flex;align-items:center;flex-wrap:wrap;gap:16px;\n  background:linear-gradient(90deg,rgba(0,240,255,.12),rgba(204,255,0,.1));\n  border:1px solid var(--line);\n  border-radius:var(--radius);\n  padding:14px 20px;margin-bottom:36px;\n}\n.flash-bar .flash-label{\n  display:flex;align-items:center;gap:8px;\n  font-weight:800;font-size:14px;color:var(--lime);\n  text-transform:uppercase;letter-spacing:.6px;\n}\n.flash-bar .flash-label i{animation:blink 1.2s infinite}\n@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}\n.flash-text{color:var(--white);font-weight:600;font-size:14.5px}\n.countdown{display:flex;gap:8px;margin-left:auto;align-items:center}\n.countdown .cd-cell{\n  min-width:52px;text-align:center;\n  background:rgba(8,9,15,.7);\n  border:1px solid var(--line);\n  border-radius:var(--radius-sm);\n  padding:6px 8px;\n}\n.countdown .cd-num{font-size:20px;font-weight:800;color:var(--cyan);font-variant-numeric:tabular-nums;display:block;line-height:1.1}\n.countdown .cd-unit{font-size:10.5px;color:var(--gray);text-transform:uppercase;letter-spacing:.5px}\n.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}\n.hero-copy .kicker{\n  display:inline-flex;align-items:center;gap:8px;\n  font-size:13px;font-weight:700;color:var(--cyan);\n  border:1px solid var(--line);border-radius:999px;\n  padding:6px 14px;margin-bottom:18px;\n  background:rgba(0,240,255,.06);\n}\n.hero-copy h1{font-size:40px;font-weight:800;letter-spacing:-.3px;margin-bottom:16px}\n.hero-copy h1 span{color:var(--lime)}\n.hero-copy p{color:var(--gray);font-size:17px;max-width:540px}\n.hero-ctas{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}\n.btn-primary{\n  display:inline-flex;align-items:center;gap:10px;\n  background:linear-gradient(135deg,var(--cyan),var(--lime));\n  color:#06131f;font-weight:800;font-size:16px;\n  padding:14px 28px;border-radius:999px;border:none;\n  box-shadow:var(--shadow-lime);\n  transition:transform .2s,box-shadow .2s;\n}\n.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(204,255,0,.4);color:#06131f}\n.btn-ghost{\n  display:inline-flex;align-items:center;gap:10px;\n  background:transparent;color:var(--white);\n  border:1px solid var(--line);font-weight:700;font-size:15px;\n  padding:14px 24px;border-radius:999px;\n  transition:background .2s,border-color .2s;\n}\n.btn-ghost:hover{background:rgba(0,240,255,.08);border-color:var(--cyan);color:var(--white)}\n.hero-trust{display:flex;gap:22px;margin-top:28px;flex-wrap:wrap}\n.hero-trust span{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--gray)}\n.hero-trust i{color:var(--cyan)}\n\n/* featured code card */\n.code-card{\n  position:relative;\n  background:linear-gradient(160deg,var(--bg-3),var(--bg-2));\n  border:1px solid var(--line);\n  border-radius:18px;\n  padding:28px;\n  box-shadow:var(--shadow-neon);\n}\n.code-card .cc-tag{\n  position:absolute;top:-12px;right:22px;\n  background:var(--lime);color:#131500;\n  font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.6px;\n  padding:5px 14px;border-radius:999px;\n  box-shadow:var(--shadow-lime);\n}\n.code-card h3{font-size:19px;margin-bottom:6px}\n.code-card .cc-sub{color:var(--gray);font-size:13.5px;margin-bottom:18px}\n.code-value{\n  display:flex;align-items:center;justify-content:space-between;gap:12px;\n  background:rgba(8,9,15,.65);\n  border:1px dashed rgba(204,255,0,.45);\n  border-radius:var(--radius-sm);\n  padding:14px 18px;margin-bottom:18px;\n}\n.code-value .cv-code{font-size:24px;font-weight:800;letter-spacing:3px;color:var(--lime)}\n.copy-btn{\n  background:rgba(0,240,255,.12);color:var(--cyan);\n  border:1px solid var(--line);border-radius:8px;\n  font-size:13px;font-weight:700;padding:8px 14px;\n  transition:background .2s;\n}\n.copy-btn:hover{background:rgba(0,240,255,.22)}\n.cc-perks{list-style:none;margin:0 0 20px;padding:0}\n.cc-perks li{\n  display:flex;gap:10px;align-items:flex-start;\n  font-size:14px;color:#d6dbe0;padding:6px 0;\n}\n.cc-perks i{color:var(--lime);margin-top:3px;font-size:13px}\n.code-card .btn-primary{width:100%;justify-content:center}\n\n/* ===== Section base ===== */\n.section{padding:76px 0}\n.section-alt{background:var(--bg-2)}\n.sec-head{max-width:640px;margin-bottom:44px}\n.sec-head .eyebrow{\n  font-size:12.5px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;\n  color:var(--cyan);margin-bottom:10px;display:block;\n}\n.sec-head h2{font-size:30px;font-weight:800}\n.sec-head p{color:var(--gray);font-size:16px;margin:0}\n\n/* ===== Promo tiers (member-club badges) ===== */\n.promo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}\n.promo-tier{\n  background:linear-gradient(170deg,rgba(20,16,49,.9),rgba(11,26,48,.9));\n  border:1px solid var(--line-soft);\n  border-radius:var(--radius);\n  padding:26px;\n  transition:transform .25s,border-color .25s,box-shadow .25s;\n}\n.promo-tier:hover{transform:translateY(-6px) scale(1.02);border-color:var(--cyan);box-shadow:var(--shadow-neon)}\n.promo-tier .pt-icon{\n  width:48px;height:48px;border-radius:12px;\n  display:flex;align-items:center;justify-content:center;\n  font-size:20px;color:var(--cyan);\n  background:rgba(0,240,255,.1);border:1px solid var(--line);\n  margin-bottom:16px;\n}\n.promo-tier .pt-amount{font-size:24px;font-weight:800;color:var(--lime);margin-bottom:4px}\n.promo-tier h3{font-size:17px;margin-bottom:8px}\n.promo-tier p{color:var(--gray);font-size:14px;margin:0}\n.promo-tier .pt-badge{\n  display:inline-block;margin-top:14px;\n  font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;\n  color:var(--cyan);border:1px solid var(--line);border-radius:999px;padding:4px 12px;\n}\n\n/* ===== Steps ===== */\n.steps-wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}\n.steps-list{counter-reset:step;list-style:none;margin:0;padding:0}\n.steps-list li{\n  position:relative;padding:0 0 28px 66px;counter-increment:step;\n}\n.steps-list li::before{\n  content:counter(step,decimal-leading-zero);\n  position:absolute;left:0;top:0;\n  width:46px;height:46px;border-radius:12px;\n  display:flex;align-items:center;justify-content:center;\n  font-weight:800;font-size:16px;color:var(--lime);\n  background:rgba(204,255,0,.08);border:1px solid rgba(204,255,0,.3);\n}\n.steps-list li:not(:last-child)::after{\n  content:\"\";position:absolute;left:22px;top:52px;bottom:6px;width:1px;\n  background:linear-gradient(180deg,rgba(0,240,255,.35),transparent);\n}\n.steps-list h3{font-size:16.5px;margin-bottom:4px}\n.steps-list p{color:var(--gray);font-size:14.5px;margin:0}\n.steps-media{position:relative}\n.steps-media img{border-radius:16px;border:1px solid var(--line);box-shadow:var(--shadow-neon)}\n.steps-media .sm-chip{\n  position:absolute;left:20px;bottom:20px;\n  display:flex;align-items:center;gap:10px;\n  background:rgba(8,9,15,.85);backdrop-filter:blur(8px);\n  border:1px solid var(--line);border-radius:999px;\n  padding:10px 18px;font-size:13.5px;font-weight:700;color:var(--white);\n}\n.steps-media .sm-chip i{color:var(--lime)}\n\n/* ===== Conditions & payments ===== */\n.cond-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}\n.cond-list{list-style:none;margin:0;padding:0}\n.cond-list li{\n  display:flex;gap:14px;align-items:flex-start;\n  padding:16px 0;border-bottom:1px solid var(--line-soft);\n}\n.cond-list li:last-child{border-bottom:none}\n.cond-list i{color:var(--cyan);margin-top:4px;font-size:15px}\n.cond-list strong{display:block;font-size:15.5px;margin-bottom:2px}\n.cond-list span{color:var(--gray);font-size:14px}\n.pay-panel{\n  background:linear-gradient(160deg,var(--bg-3),var(--bg-2));\n  border:1px solid var(--line);border-radius:var(--radius);\n  padding:28px;\n}\n.pay-panel h3{font-size:18px;margin-bottom:6px}\n.pay-panel>p{color:var(--gray);font-size:14px}\n.pay-badges{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}\n.pay-badge{\n  display:flex;align-items:center;gap:10px;\n  background:rgba(8,9,15,.6);border:1px solid var(--line-soft);\n  border-radius:var(--radius-sm);padding:12px 14px;\n  font-size:13.5px;font-weight:700;color:var(--white);\n  transition:border-color .2s;\n}\n.pay-badge:hover{border-color:var(--cyan)}\n.pay-badge i{color:var(--lime);font-size:17px}\n.pay-stat{\n  display:flex;gap:26px;margin-top:22px;padding-top:18px;\n  border-top:1px solid var(--line-soft);\n}\n.pay-stat div span{font-size:22px;font-weight:800;color:var(--cyan);display:block;line-height:1.2}\n.pay-stat div small{font-size:12.5px;color:var(--gray)}\n\n/* ===== Reviews wall ===== */\n.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}\n.review-card{\n  background:rgba(20,16,49,.6);\n  border:1px solid var(--line-soft);\n  border-radius:var(--radius);\n  padding:24px;\n  transition:border-color .25s,transform .25s;\n}\n.review-card:hover{border-color:rgba(204,255,0,.4);transform:translateY(-4px)}\n.review-stars{color:var(--lime);font-size:13px;letter-spacing:2px;margin-bottom:12px}\n.review-card p{font-size:14.5px;color:#d6dbe0;margin-bottom:16px}\n.review-meta{display:flex;align-items:center;gap:12px}\n.review-avatar{\n  width:40px;height:40px;border-radius:50%;\n  display:flex;align-items:center;justify-content:center;\n  font-weight:800;font-size:15px;color:#06131f;\n  background:linear-gradient(135deg,var(--cyan),var(--lime));\n}\n.review-meta strong{font-size:14px;display:block;line-height:1.3}\n.review-meta small{font-size:12px;color:var(--gray)}\n\n/* ===== FAQ ===== */\n.faq-wrap{max-width:820px}\n.faq-item{\n  border:1px solid var(--line-soft);\n  border-radius:var(--radius-sm);\n  margin-bottom:14px;overflow:hidden;\n  background:rgba(20,16,49,.5);\n  transition:border-color .2s;\n}\n.faq-item[open]{border-color:var(--cyan)}\n.faq-item summary{\n  list-style:none;cursor:pointer;\n  display:flex;align-items:center;justify-content:space-between;gap:16px;\n  padding:18px 22px;font-weight:700;font-size:15.5px;\n}\n.faq-item summary::-webkit-details-marker{display:none}\n.faq-item summary i{color:var(--cyan);transition:transform .25s;flex-shrink:0}\n.faq-item[open] summary i{transform:rotate(45deg)}\n.faq-item .faq-body{padding:0 22px 18px;color:var(--gray);font-size:14.5px}\n\n/* ===== Download CTA ===== */\n.cta-final{\n  text-align:center;\n  background:\n    linear-gradient(180deg,rgba(11,26,48,.92),rgba(15,12,32,.96)),\n    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;\n  border-top:1px solid var(--line);\n  border-bottom:1px solid var(--line);\n}\n.cta-final h2{font-size:32px;font-weight:800;margin-bottom:12px}\n.cta-final h2 span{color:var(--lime)}\n.cta-final p{color:var(--gray);max-width:560px;margin:0 auto 30px}\n.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}\n.btn-store{\n  display:inline-flex;align-items:center;gap:12px;\n  background:rgba(8,9,15,.7);border:1px solid var(--line);\n  border-radius:14px;padding:12px 24px;color:var(--white);\n  text-align:left;transition:border-color .2s,transform .2s,box-shadow .2s;\n}\n.btn-store:hover{border-color:var(--lime);transform:translateY(-2px);box-shadow:var(--shadow-lime);color:var(--white)}\n.btn-store i{font-size:26px;color:var(--cyan)}\n.btn-store small{display:block;font-size:11px;color:var(--gray);line-height:1.2}\n.btn-store strong{font-size:15.5px;font-weight:800}\n.cta-note{margin-top:20px;font-size:13px;color:var(--gray)}\n.cta-note i{color:var(--lime);margin-right:6px}\n\n/* ===== Footer ===== */\n.site-footer{background:#0A0818;border-top:1px solid var(--line-soft);padding-top:56px}\n.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px}\n.site-footer h4{font-size:16px;font-weight:800;margin-bottom:14px;color:var(--white)}\n.site-footer p{color:var(--gray);font-size:14px}\n.site-footer ul{list-style:none;margin:0;padding:0}\n.site-footer ul li{padding:5px 0;font-size:14px;color:var(--gray)}\n.site-footer ul a{color:var(--gray)}\n.site-footer ul a:hover{color:var(--cyan)}\n.badge-18{\n  display:inline-flex;align-items:center;gap:8px;\n  margin-top:12px;font-size:12.5px;font-weight:700;color:var(--lime);\n  border:1px solid rgba(204,255,0,.35);border-radius:999px;padding:6px 14px;\n}\n.footer-bottom{\n  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;\n  border-top:1px solid var(--line-soft);\n  padding-top:20px;padding-bottom:24px;\n  font-size:12.5px;color:#6d7480;\n}\n\n/* ===== FAB ===== */\n.fab-support{\n  position:fixed;left:16px;bottom:96px;z-index:50;\n  display:flex;align-items:center;gap:10px;\n  min-width:48px;min-height:48px;\n  padding:12px 18px;border-radius:999px;\n  background:rgba(0,0,0,.6);backdrop-filter:blur(10px);\n  border:1.5px solid transparent;\n  background-clip:padding-box;\n  color:var(--white);font-weight:700;font-size:13.5px;\n  opacity:.65;\n  box-shadow:0 0 15px rgba(0,240,255,.5);\n  transition:opacity .25s,box-shadow .25s,transform .2s;\n}\n.fab-support::before{\n  content:\"\";position:absolute;inset:-1.5px;border-radius:999px;z-index:-1;\n  background:linear-gradient(120deg,var(--lime),var(--cyan),var(--lime));\n  background-size:220% 220%;\n  animation:fabflow 4s linear infinite;\n}\n.fab-support::after{\n  content:\"\";position:absolute;inset:0;border-radius:999px;z-index:-1;\n  background:rgba(10,10,20,.9);\n}\n@keyframes fabflow{0%{background-position:0% 50%}100%{background-position:220% 50%}}\n.fab-support i{color:var(--cyan);font-size:18px}\n.fab-support:hover{opacity:1;box-shadow:0 0 26px rgba(0,240,255,.75);color:var(--white)}\n.fab-support:active{transform:scale(.95)}\n.fab-support .fab-dot{\n  position:absolute;top:-2px;right:2px;width:10px;height:10px;border-radius:50%;\n  background:#FF007F;box-shadow:0 0 8px #FF007F;animation:blink 1.4s infinite;\n}\n\n/* ===== Responsive ===== */\n@media (max-width:1024px){\n  .hero-grid{grid-template-columns:1fr;gap:40px}\n  .hero-copy h1{font-size:33px}\n  .promo-grid,.review-grid{grid-template-columns:repeat(2,1fr)}\n  .steps-wrap,.cond-grid{grid-template-columns:1fr;gap:36px}\n  .footer-grid{grid-template-columns:1fr 1fr}\n}\n@media (max-width:768px){\n  .nav-inner{gap:14px;height:62px}\n  .brand-text{font-size:14.5px}\n  .main-nav{display:none}\n  .btn-login{padding:8px 8px;font-size:13.5px}\n  .btn-signup{padding:9px 15px;font-size:13.5px}\n  .hero{padding:108px 0 56px}\n  .flash-bar{flex-direction:column;align-items:flex-start}\n  .countdown{margin-left:0}\n  .section{padding:56px 0}\n  .sec-head h2{font-size:25px}\n  .cta-final h2{font-size:26px}\n}\n@media (max-width:520px){\n  .wrap{padding:0 16px}\n  .hero-copy h1{font-size:27px}\n  .promo-grid,.review-grid,.pay-badges{grid-template-columns:1fr}\n  .code-value{flex-direction:column;align-items:flex-start}\n  .code-value .cv-code{font-size:20px}\n  .hero-ctas .btn-primary,.hero-ctas .btn-ghost{width:100%;justify-content:center}\n  .cta-btns{flex-direction:column;align-items:stretch}\n  .btn-store{justify-content:center}\n  .footer-grid{grid-template-columns:1fr}\n  .footer-bottom{flex-direction:column;gap:8px}\n  .countdown .cd-cell{min-width:46px}\n}\n

/* roulang page: category1 */
:root{
  --bg:#0B1A30;
  --bg-deep:#0F0C20;
  --bg-panel:#122votes;
  --panel:#122A45;
  --panel-2:#16203A;
  --line:rgba(0,240,255,.16);
  --line-soft:rgba(255,255,255,.09);
  --cyan:#00F0FF;
  --lime:#CCFF00;
  --gold:#F0C24B;
  --pink:#FF3D8B;
  --text:#FFFFFF;
  --muted:#A6ACAF;
  --muted-2:#7E8894;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --sh-1:0 12px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 22px rgba(0,240,255,.28);
  --sp:clamp(56px,7vw,96px);
  --font:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --font-alt:'Chakra Petch','Be Vietnam Pro',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:76px 0 0;
  font-family:var(--font);
  font-size:16px;line-height:1.62;
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 88% -8%,rgba(0,240,255,.13),transparent 62%),
    radial-gradient(900px 560px at 4% 8%,rgba(204,255,0,.08),transparent 60%),
    linear-gradient(180deg,var(--bg-deep) 0%,var(--bg) 42%,#081426 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--lime)}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:800;letter-spacing:-.01em;line-height:1.18}
h1{font-size:clamp(30px,4.6vw,52px)}
h2{font-size:clamp(24px,3vw,36px)}
h3{font-size:clamp(18px,1.6vw,22px)}
h4{font-size:17px;font-weight:700}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1220px;margin:0 auto;padding:0 22px}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--font-alt);font-size:12.5px;font-weight:700;
  letter-spacing:.16em;text-transform:uppercase;color:var(--lime);
  padding:7px 14px;border:1px solid rgba(204,255,0,.34);
  border-radius:999px;background:rgba(204,255,0,.07);margin-bottom:18px;
}
.lead{font-size:clamp(16px,1.35vw,18.5px);color:#C9D3DC;max-width:66ch}
.muted{color:var(--muted)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);border:0;margin:0}

/* ---------- HEADER / NAV ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(9,17,32,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:76px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-icon{
  width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(140deg,rgba(0,240,255,.2),rgba(204,255,0,.16));
  border:1px solid rgba(0,240,255,.45);color:var(--cyan);font-size:17px;
  box-shadow:inset 0 0 12px rgba(0,240,255,.22);
}
.brand-text{
  font-family:var(--font-alt);font-size:18px;font-weight:700;color:#fff;
  letter-spacing:.01em;white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--lime)}
.main-nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.main-nav a{
  position:relative;color:#CBD5E1;font-size:15px;font-weight:500;padding:8px 2px;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--lime));transition:right .28s ease;
}
.main-nav a:hover{color:#fff}
.main-nav a:hover::after{right:0}
.main-nav a.active{color:#fff;font-weight:600}
.main-nav a.active::after{right:0}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;padding-left:26px;border-left:1px solid var(--line-soft)}
.btn-login{color:#D7DEE6;font-size:14.5px;font-weight:600;padding:9px 6px}
.btn-login:hover{color:var(--cyan)}
.btn-signup{
  font-size:14.5px;font-weight:700;color:#06121F;padding:11px 20px;border-radius:999px;
  background:linear-gradient(100deg,var(--lime),#7CE3B0 55%,var(--cyan));
  box-shadow:0 8px 22px rgba(0,240,255,.24);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(204,255,0,.3)}
.btn-signup:active{transform:translateY(0) scale(.97)}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-size:15.5px;font-weight:700;padding:15px 28px;border-radius:12px;
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease;
}
.btn i{font-size:16px}
.btn-primary{
  color:#06121F;background:linear-gradient(100deg,var(--lime),var(--cyan));
  box-shadow:0 12px 30px rgba(0,240,255,.26);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(204,255,0,.3);color:#06121F}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{
  color:#fff;border:1px solid rgba(0,240,255,.42);background:rgba(0,240,255,.07);
}
.btn-ghost:hover{color:#fff;border-color:var(--lime);background:rgba(204,255,0,.11);transform:translateY(-3px)}
.btn-gold{
  color:#1A1204;background:linear-gradient(100deg,#FFDA7A,var(--gold));
  box-shadow:0 12px 28px rgba(240,194,75,.24);
}
.btn-gold:hover{color:#1A1204;transform:translateY(-3px)}
.btn-block{width:100%}
.btn-sm{padding:11px 18px;font-size:14px;border-radius:10px}

.badge{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  padding:6px 12px;border-radius:999px;letter-spacing:.03em;
}
.badge-cyan{color:var(--cyan);background:rgba(0,240,255,.1);border:1px solid rgba(0,240,255,.32)}
.badge-lime{color:var(--lime);background:rgba(204,255,0,.1);border:1px solid rgba(204,255,0,.32)}
.badge-gold{color:var(--gold);background:rgba(240,194,75,.1);border:1px solid rgba(240,194,75,.36)}
.badge-hot{color:#fff;background:linear-gradient(100deg,var(--pink),#FF7A3D);box-shadow:0 6px 16px rgba(255,61,139,.3)}

/* ---------- HERO (KV toàn khung) ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  transform:scale(1.04);filter:saturate(1.1);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(9,15,30,.72) 0%,rgba(9,15,30,.86) 55%,#0A1728 100%),
    radial-gradient(700px 380px at 80% 20%,rgba(0,240,255,.22),transparent 65%);
}
.hero-inner{position:relative;z-index:2;padding:clamp(52px,7vw,92px) 0 0;text-align:center}
.hero-inner h1{max-width:19ch;margin:0 auto 18px;text-shadow:0 4px 30px rgba(0,0,0,.5)}
.hero-inner h1 span{
  background:linear-gradient(100deg,var(--lime),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-inner .lead{margin:0 auto 26px;color:#D3DCE4}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:26px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 14px;justify-content:center;font-size:13.5px;color:var(--muted)}
.hero-trust span{display:inline-flex;align-items:center;gap:7px}
.hero-trust i{color:var(--cyan)}

.countdown-bar{
  position:relative;z-index:2;margin:34px auto 0;max-width:980px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 24px;border-radius:var(--r-l) var(--r-l) 0 0;
  background:linear-gradient(120deg,rgba(11,26,48,.94),rgba(15,12,32,.94));
  border:1px solid rgba(0,240,255,.3);border-bottom:0;
  box-shadow:0 -6px 40px rgba(0,240,255,.14);
  text-align:left;
}
.countdown-bar .cd-label{font-size:14px;font-weight:600;color:#D7DEE6;max-width:38ch}
.countdown-bar .cd-label strong{color:var(--lime)}
.cd-clock{display:flex;align-items:center;gap:9px}
.cd-unit{
  min-width:62px;padding:9px 6px;border-radius:12px;text-align:center;
  background:rgba(0,240,255,.08);border:1px solid rgba(0,240,255,.28);
}
.cd-unit b{display:block;font-family:var(--font-alt);font-size:23px;line-height:1.1;color:var(--cyan)}
.cd-unit small{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2)}
.cd-sep{color:rgba(255,255,255,.28);font-weight:700}

/* ---------- SECTIONS ---------- */
section{position:relative}
.sec{padding:var(--sp) 0}
.sec-head{max-width:70ch;margin-bottom:38px}
.sec-head.right{margin-left:auto;text-align:right}
.sec-alt{
  background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,0));
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}

/* strip số liệu */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);border-radius:var(--r-m);overflow:hidden}
.stat-strip div{padding:24px 22px;background:rgba(9,18,34,.72)}
.stat-strip b{display:block;font-family:var(--font-alt);font-size:clamp(22px,2.4vw,30px);color:var(--lime);line-height:1.1}
.stat-strip span{font-size:13.5px;color:var(--muted)}

/* giá trị app: bố cục lệch 7/5 */
.value-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,60px);align-items:start}
.value-list{display:grid;gap:22px;margin-top:8px}
.value-list li{display:grid;grid-template-columns:46px 1fr;gap:16px;padding-bottom:22px;border-bottom:1px dashed var(--line-soft)}
.value-list li:last-child{border-bottom:0;padding-bottom:0}
.value-list .ic{
  width:46px;height:46px;display:grid;place-items:center;border-radius:13px;font-size:18px;
  background:rgba(0,240,255,.09);border:1px solid rgba(0,240,255,.3);color:var(--cyan);
}
.value-list h3{margin-bottom:6px}
.value-list p{margin:0;color:var(--muted);font-size:15px}

.side-panel{
  border-radius:var(--r-l);overflow:hidden;
  border:1px solid rgba(240,194,75,.3);
  background:linear-gradient(160deg,rgba(22,32,58,.96),rgba(11,20,36,.96));
  box-shadow:var(--sh-1);
}
.side-panel figure{margin:0;position:relative}
.side-panel figure img{width:100%;height:220px;object-fit:cover}
.side-panel figure figcaption{
  position:absolute;left:14px;bottom:14px;
  font-size:12.5px;font-weight:700;color:#06121F;padding:6px 12px;border-radius:999px;
  background:linear-gradient(100deg,var(--lime),var(--cyan));
}
.side-panel .pb{padding:24px 22px 26px}
.perk-list{display:grid;gap:12px;margin:0 0 20px}
.perk-list li{display:flex;align-items:flex-start;gap:11px;font-size:14.5px;color:#D5DDE5}
.perk-list i{color:var(--gold);margin-top:4px}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.pay-badges span{
  font-size:12px;font-weight:700;color:#CBD5E1;padding:6px 11px;border-radius:8px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
}

/* băng ảnh sảnh game */
.rail-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.rail-nav{display:flex;gap:10px}
.rail-btn{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(0,240,255,.34);background:rgba(0,240,255,.07);color:var(--cyan);
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.rail-btn:hover{background:var(--cyan);color:#06121F;transform:translateY(-2px)}
.rail-btn:active{transform:scale(.94)}
.shot-rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(272px,308px);gap:20px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:14px;
  scrollbar-width:thin;scrollbar-color:rgba(0,240,255,.4) transparent;
}
.shot-rail::-webkit-scrollbar{height:7px}
.shot-rail::-webkit-scrollbar-thumb{background:rgba(0,240,255,.35);border-radius:99px}
.shot{
  scroll-snap-align:start;position:relative;border-radius:var(--r-m);overflow:hidden;
  border:1px solid var(--line-soft);background:rgba(11,22,40,.8);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.shot:hover{transform:translateY(-7px) scale(1.015);border-color:rgba(0,240,255,.5);box-shadow:0 18px 40px rgba(0,240,255,.2)}
.shot img{width:100%;height:196px;object-fit:cover;transition:transform .5s ease}
.shot:hover img{transform:scale(1.06)}
.shot .tag{position:absolute;top:12px;left:12px;z-index:2}
.shot .sb{padding:16px 18px 20px}
.shot h4{margin-bottom:6px}
.shot p{margin:0;font-size:14px;color:var(--muted)}

/* cấu hình máy: bảng đặc tả */
.spec-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(26px,4vw,54px);align-items:center}
.spec-table{width:100%;border-collapse:collapse;font-size:15px}
.spec-table caption{
  text-align:left;font-family:var(--font-alt);font-size:13px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--lime);padding-bottom:14px;
}
.spec-table th,.spec-table td{padding:14px 12px;border-bottom:1px solid var(--line-soft);vertical-align:top}
.spec-table thead th{
  font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2);font-weight:700;
  border-bottom:1px solid rgba(0,240,255,.3);
}
.spec-table tbody th{text-align:left;font-weight:600;color:#fff;width:34%}
.spec-table td{color:var(--muted)}
.spec-table tbody tr:hover td,.spec-table tbody tr:hover th{background:rgba(0,240,255,.05)}
.spec-note{
  margin-top:20px;padding:16px 18px;border-left:3px solid var(--lime);
  background:rgba(204,255,0,.06);border-radius:0 var(--r-s) var(--r-s) 0;font-size:14.5px;color:#D5DDE5;
}
.spec-visual{position:relative;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line-soft);box-shadow:var(--sh-1)}
.spec-visual img{width:100%;height:100%;min-height:340px;object-fit:cover}
.spec-visual .float-note{
  position:absolute;left:18px;right:18px;bottom:18px;padding:16px 18px;border-radius:var(--r-m);
  background:rgba(8,15,28,.86);backdrop-filter:blur(8px);border:1px solid rgba(0,240,255,.28);
}
.spec-visual .float-note b{display:block;font-size:15px;margin-bottom:4px}
.spec-visual .float-note span{font-size:13.5px;color:var(--muted)}

/* 4 bước tải */
.steps{counter-reset:st;display:grid;gap:0;border-top:1px solid var(--line-soft)}
.steps li{
  counter-increment:st;display:grid;grid-template-columns:88px 1fr auto;gap:24px;align-items:center;
  padding:26px 4px;border-bottom:1px solid var(--line-soft);transition:background .24s ease,padding-left .24s ease;
}
.steps li:hover{background:rgba(0,240,255,.045);padding-left:14px}
.steps li::before{
  content:counter(st,decimal-leading-zero);
  font-family:var(--font-alt);font-size:32px;font-weight:700;color:rgba(0,240,255,.55);
}
.steps h3{margin-bottom:5px}
.steps p{margin:0;color:var(--muted);font-size:15px;max-width:72ch}
.steps .st-time{font-size:12.5px;font-weight:700;color:var(--gold);white-space:nowrap}

/* tường đánh giá */
.reviews{columns:3;column-gap:20px}
.review{
  break-inside:avoid;margin:0 0 20px;padding:22px 22px 20px;border-radius:var(--r-m);
  background:rgba(255,255,255,.035);border:1px solid var(--line-soft);
  transition:border-color .24s ease,transform .24s ease;
}
.review:hover{border-color:rgba(204,255,0,.4);transform:translateY(-4px)}
.review .stars{color:var(--gold);font-size:13px;margin-bottom:10px;letter-spacing:2px}
.review p{margin:0 0 14px;font-size:14.7px;color:#D5DDE5}
.review .who{display:flex;align-items:center;gap:11px}
.review .av{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:14px;
  color:#06121F;background:linear-gradient(140deg,var(--lime),var(--cyan));
}
.review .who b{display:block;font-size:14px}
.review .who small{color:var(--muted-2);font-size:12.5px}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(26px,4vw,56px);align-items:start}
.faq details{
  border-bottom:1px solid var(--line-soft);padding:4px 0;
}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 2px;font-size:16.5px;font-weight:600;color:#fff;transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--cyan)}
.faq summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--cyan);
  flex:0 0 auto;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;
  border:1px solid rgba(0,240,255,.3);transition:transform .26s ease,background .26s ease;
}
.faq details[open] summary::after{content:"\f068";background:rgba(0,240,255,.14)}
.faq details p{margin:0 0 18px;padding-right:44px;color:var(--muted);font-size:15px}
.faq-aside{
  padding:26px 24px;border-radius:var(--r-l);
  background:linear-gradient(160deg,rgba(0,240,255,.08),rgba(15,12,32,.9));
  border:1px solid rgba(0,240,255,.26);
}
.faq-aside h3{margin-bottom:10px}
.faq-aside p{color:#CBD5E1;font-size:14.7px}

/* CTA cuối */
.final-cta{
  position:relative;overflow:hidden;margin:var(--sp) auto 0;max-width:1220px;
  border-radius:var(--r-l);border:1px solid rgba(240,194,75,.34);text-align:center;
}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
}
.final-cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,14,26,.86),rgba(8,14,26,.94));
}
.final-cta .fc{position:relative;z-index:2;padding:clamp(44px,6vw,74px) 24px}
.final-cta h2{max-width:22ch;margin:0 auto 14px}
.final-cta p{max-width:64ch;margin:0 auto 26px;color:#CBD5E1}
.dl-group{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:20px}
.dl-note{font-size:13px;color:var(--muted-2)}

/* ---------- FOOTER 
.site-footer{
  margin-top:var(--sp);padding:clamp(48px,6vw,72px) 0 0;
  background:linear-gradient(180deg,rgba(9,15,28,.6),rgba(6,11,22,.98));
  border-top:1px solid rgba(0,240,255,.2);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:clamp(26px,4vw,58px);padding-bottom:44px}
.site-footer h4{
  font-family:var(--font-alt);font-size:15px;letter-spacing:.06em;color:#fff;margin-bottom:16px;
  padding-bottom:12px;border-bottom:1px solid var(--line-soft);
}
.site-footer p{font-size:14.5px;color:var(--muted);max-width:52ch}
.site-footer ul li{padding:7px 0;font-size:14.5px;color:var(--muted)}
.site-footer ul li a{color:var(--muted)}
.site-footer ul li a:hover{color:var(--lime);padding-left:4px;display:inline-block;transition:padding .2s ease}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-size:12.5px;font-weight:700;color:var(--gold);padding:7px 13px;border-radius:999px;
  background:rgba(240,194,75,.09);border:1px solid rgba(240,194,75,.36);
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;align-items:center;
  padding:20px 22px 26px;margin-top:0;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--muted-2);
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  min-width:56px;min-height:56px;padding:0 20px 0 16px;
  display:inline-flex;align-items:center;gap:11px;border-radius:999px;
  background:rgba(6,12,24,.62);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid transparent;
  background-image:
    linear-gradient(rgba(6,12,24,.68),rgba(6,12,24,.68)),
    linear-gradient(120deg,var(--lime),var(--cyan) 60%,var(--pink));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 15px rgba(0,240,255,.45);
  color:#fff;font-size:14px;font-weight:700;opacity:.66;
  transition:opacity .24s ease,transform .24s ease,box-shadow .28s ease;
  animation:fabBreath 3.4s ease-in-out infinite;
}
.fab i{font-size:19px;color:var(--cyan);transition:color .24s ease,transform .3s ease}
.fab .fab-txt{white-space:nowrap}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(0,240,255,.7)}
.fab:hover i{animation:flicker .55s steps(2,end) 1;color:var(--lime)}
.fab:active{transform:scale(.95)}
.fab:active i{color:var(--pink)}
.fab .dot{
  position:absolute;top:9px;right:12px;width:9px;height:9px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 10px var(--pink);animation:blink 1.3s ease-in-out infinite;
}
@keyframes fabBreath{0%,100%{box-shadow:0 0 14px rgba(0,240,255,.35)}50%{box-shadow:0 0 26px rgba(204,255,0,.5)}}
@keyframes flicker{0%{opacity:.3}50%{opacity:1}100%{opacity:.75}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .value-layout,.spec-wrap,.faq-layout{grid-template-columns:1fr}
  .sec-head.right{text-align:left;margin-left:0}
  .footer-grid{grid-template-columns:1fr 1fr}
  .reviews{columns:2}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .spec-visual img{min-height:280px}
}
@media (max-width:900px){
  .main-nav{gap:20px;font-size:14px}
  .main-nav a{font-size:14px}
  .nav-actions{padding-left:16px}
}
@media (max-width:768px){
  body{padding-top:68px}
  .nav-inner{min-height:68px;flex-wrap:wrap;gap:12px 16px;padding-top:10px;padding-bottom:10px}
  .brand-text{font-size:16px}
  .main-nav{order:3;width:100%;margin-left:0;gap:18px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .main-nav::-webkit-scrollbar{display:none}
  .nav-actions{margin-left:auto;padding-left:0;border-left:0}
  .btn-signup{padding:10px 16px;font-size:13.5px}
  .btn-login{font-size:13.5px}
  .countdown-bar{flex-direction:column;align-items:flex-start;border-radius:var(--r-m) var(--r-m) 0 0;padding:18px}
  .steps li{grid-template-columns:56px 1fr;gap:14px}
  .steps li::before{font-size:26px}
  .steps .st-time{grid-column:2;margin-top:4px}
  .reviews{columns:1}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .fab{bottom:20px;padding:0 16px}
}
@media (max-width:520px){
  h1{font-size:27px}
  .wrap{padding:0 16px}
  .hero-cta .btn{width:100%}
  .cd-unit{min-width:54px}
  .cd-unit b{font-size:20px}
  .stat-strip{grid-template-columns:1fr}
  .shot-rail{grid-auto-columns:minmax(238px,84vw)}
  .spec-table th,.spec-table td{padding:12px 8px;font-size:14px}
  .spec-table tbody th{width:42%}
  .fab .fab-txt{display:none}
  .fab{padding:0;justify-content:center;min-width:54px}
  .footer-bottom{padding:18px 16px 24px}
}