/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#050B18;
  --bg-elev:#0B1730;
  --glass:rgba(11,23,48,.66);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sp:clamp(58px,7vw,100px);
  --shadow:0 18px 48px rgba(2,6,23,.62);
  --glow:0 0 28px rgba(37,99,235,.42);
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none;padding:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--plasma);outline-offset:3px;border-radius:8px}

.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:-.02em;color:#fff;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:14.5px;font-weight:700;color:#fff;letter-spacing:-.01em}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}

.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#CBD5E1;transition:background .25s,color .25s,box-shadow .25s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.12)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(100deg,rgba(37,99,235,.42),rgba(56,189,248,.26));
  box-shadow:inset 0 0 0 1px var(--line-strong);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E2E8F0;border-radius:2px;position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:18px;height:2px;background:#E2E8F0;border-radius:2px;transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ BUTTONS ============ */
.btn-primary,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:14.5px;padding:11px 22px;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;background:linear-gradient(120deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.42);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.68)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{
  color:#E2E8F0;background:rgba(56,189,248,.07);
  border:1px solid var(--line-strong);
}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:#fff}
.btn-ghost{color:#CBD5E1;padding:11px 16px}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-lg{padding:14px 30px;font-size:15.5px}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;background:var(--bg)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.9) 62%,#030712 100%),
    radial-gradient(72% 68% at 12% 16%,rgba(37,99,235,.42),transparent 70%);
}
.hero-inner{position:relative;z-index:2;padding:82px 0 58px;max-width:900px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.2);border:1px solid var(--line-strong);
}
.hero h1{
  margin-top:22px;
  font-size:clamp(30px,4.6vw,54px);
  line-height:1.16;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#FFFFFF 20%,#93C5FD 60%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:22px;max-width:730px;font-size:16.5px;color:#C7D2E1;line-height:1.7}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;margin-top:48px;
}
.hero-stats div{
  padding:16px 18px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(12px);
}
.hero-stats b{display:block;font-size:21px;font-weight:800;color:#fff;letter-spacing:-.01em}
.hero-stats span{font-size:12.5px;color:var(--muted);letter-spacing:.03em}

.series-bar{position:relative;z-index:2;border-top:1px solid var(--line);background:rgba(5,11,24,.78);backdrop-filter:blur(14px)}
.series-inner{display:flex;align-items:center;gap:10px;padding:15px 0;overflow-x:auto;scrollbar-width:none}
.series-inner::-webkit-scrollbar{display:none}
.series-label{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--plasma);font-weight:700;flex-shrink:0;margin-right:6px}
.series-inner a{
  flex-shrink:0;padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:#CBD5E1;border:1px solid var(--line);background:rgba(56,189,248,.05);transition:.25s;
}
.series-inner a:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.16)}

/* ============ SECTIONS ============ */
.section{padding:var(--sp) 0;position:relative}
.section.alt{background:linear-gradient(180deg,#050B18 0%,#030712 100%);border-top:1px solid rgba(56,189,248,.08);border-bottom:1px solid rgba(56,189,248,.08)}
.section-head{max-width:800px;margin-bottom:46px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--plasma);font-weight:700;margin-bottom:14px}
.section h2{font-size:clamp(25px,3.2vw,38px);line-height:1.26;font-weight:800;letter-spacing:-.015em}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.7}
.section h3{font-size:17px;font-weight:700;line-height:1.4}

.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat{
  padding:26px 22px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(12px);
  transition:border-color .3s,transform .3s;
}
.stat:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.stat b{
  display:block;font-size:31px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#60A5FA,#38BDF8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.55}

/* split value */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.split-body p{color:#C7D2E1;margin-top:16px;line-height:1.72}
.check-list{margin-top:26px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#D7E2F1}
.check-list li::before{
  content:'✓';flex-shrink:0;width:24px;height:24px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;font-weight:800;color:#03121F;
  background:linear-gradient(135deg,#38BDF8,#60A5FA);margin-top:2px;
}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;font-size:13px;color:#DCE6F5;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}

/* game grid */
.game-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.game-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(12px);
  transition:transform .32s,border-color .32s,box-shadow .32s;
}
.game-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow)}
.game-card figure{position:relative;overflow:hidden}
.game-card figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s}
.game-card:hover figure img{transform:scale(1.06)}
.tag{
  position:absolute;top:12px;left:12px;padding:5px 11px;border-radius:999px;
  font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:#03121F;
  background:linear-gradient(120deg,#38BDF8,#60A5FA);
}
.game-card-body{padding:20px 20px 24px}
.game-card-body h3{color:#fff}
.game-card-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.62}

/* channel matrix */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.channel-card{
  display:block;padding:30px 26px 32px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(37,99,235,.2),rgba(8,18,41,.72));
  transition:transform .32s,border-color .32s,box-shadow .32s;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.channel-card .num{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--plasma);font-weight:700}
.channel-card h3{margin-top:12px;font-size:19px;color:#fff}
.channel-card p{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.62}
.channel-card .go{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-size:13.5px;font-weight:700;color:#BAE6FD}
.channel-card:hover .go{color:#fff}

/* scenario */
.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scenario{
  padding:26px 24px;border-radius:var(--r-md);border:1px solid var(--line);
  background:rgba(11,23,48,.5);transition:border-color .3s,background .3s;
}
.scenario:hover{border-color:var(--line-strong);background:rgba(15,31,62,.7)}
.scenario h3{color:#fff}
.scenario p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.65}
.scenario .label{display:inline-block;margin-bottom:12px;font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:#7DD3FC;font-weight:700}

/* showcase */
.showcase{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
.showcase-main{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.showcase-main img{width:100%;height:100%;object-fit:cover;min-height:320px}
.showcase-side{display:grid;gap:20px}
.showcase-side article{
  padding:24px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(12px);
}
.showcase-side h3{color:#fff}
.showcase-side p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.62}

/* payments */
.pay-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.pay-chip{
  display:flex;align-items:center;gap:12px;padding:16px 22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(11,23,48,.6);min-width:210px;flex:1 1 210px;
  transition:border-color .3s,transform .3s;
}
.pay-chip:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.pay-chip b{display:block;font-size:15px;color:#fff}
.pay-chip span{display:block;font-size:12.5px;color:var(--muted);margin-top:3px}
.pay-dot{width:38px;height:38px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;font-size:12px;font-weight:800;color:#03121F;background:linear-gradient(135deg,#38BDF8,#60A5FA)}

/* trust */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.trust-item{padding:24px 22px;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(11,23,48,.46)}
.trust-item h3{font-size:15.5px;color:#fff}
.trust-item p{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.6}
.trust-icon{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;font-size:17px;background:rgba(56,189,248,.14);border:1px solid var(--line-strong)}

/* tier */
.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
.tier{
  padding:30px 26px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:rgba(11,23,48,.5);display:flex;flex-direction:column;
}
.tier.featured{
  border-color:var(--line-strong);
  background:linear-gradient(170deg,rgba(37,99,235,.26),rgba(8,18,41,.82));
  box-shadow:var(--glow);
}
.tier .tier-name{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--plasma);font-weight:800}
.tier .tier-value{margin-top:14px;font-size:30px;font-weight:800;color:#fff;letter-spacing:-.02em}
.tier .tier-value small{font-size:13px;color:var(--muted);font-weight:500;display:block;margin-top:6px;letter-spacing:0}
.tier ul{margin-top:22px;display:grid;gap:11px;font-size:14px;color:#D3DEEC}
.tier ul li{display:flex;gap:10px}
.tier ul li::before{content:'•';color:var(--plasma);font-weight:800}

/* compare */
.compare{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:rgba(11,23,48,.44)}
.compare-row{display:grid;grid-template-columns:1.4fr 1fr 1fr;border-bottom:1px solid rgba(56,189,248,.12)}
.compare-row:last-child{border-bottom:0}
.compare-row > div{padding:18px 22px;font-size:14.5px;color:#CBD5E1}
.compare-row.head > div{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:800;color:#7DD3FC;background:rgba(37,99,235,.16)}
.compare-row .us{color:#fff;font-weight:600;background:rgba(56,189,248,.08)}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.review{
  padding:26px 24px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--glass);backdrop-filter:blur(12px);display:flex;flex-direction:column;
}
.review p{font-size:14.5px;color:#D3DEEC;line-height:1.68;flex:1}
.review footer{margin-top:20px;display:flex;align-items:center;gap:12px;font-size:13.5px;color:var(--muted)}
.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;color:#03121F;background:linear-gradient(135deg,#38BDF8,#60A5FA)}
.stars{color:#FACC15;font-size:13px;letter-spacing:2px}

/* news */
.news-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:26px;align-items:start}
.news-list{display:grid;gap:16px}
.news-item{
  display:block;padding:24px 26px;border-radius:var(--r-md);border:1px solid var(--line);
  background:rgba(11,23,48,.5);transition:border-color .3s,transform .3s,background .3s;
}
.news-item:hover{border-color:var(--line-strong);transform:translateX(5px);background:rgba(15,31,62,.7)}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--muted);letter-spacing:.04em}
.news-cat{color:#7DD3FC;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.news-item h3{margin-top:10px;font-size:17px;color:#fff;line-height:1.45}
.news-item p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.62}
.news-aside{
  padding:26px 24px;border-radius:var(--r-lg);border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(37,99,235,.18),rgba(8,18,41,.72));
}
.news-aside h3{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.aside-link{display:block;padding:13px 0;border-bottom:1px solid rgba(56,189,248,.14);font-size:14px;color:#CBD5E1;transition:color .25s,padding-left .25s}
.aside-link:last-child{border-bottom:0}
.aside-link:hover{color:#fff;padding-left:6px}
.aside-link span{display:block;font-size:12px;color:var(--muted);margin-top:5px}
.empty-state{padding:30px;border-radius:var(--r-md);border:1px dashed var(--line-strong);color:var(--muted);font-size:14.5px;text-align:center}

/* faq */
.faq-wrap{display:grid;gap:14px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:rgba(11,23,48,.5);overflow:hidden;transition:border-color .3s}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  padding:20px 24px;font-size:15.5px;font-weight:600;color:#fff;cursor:pointer;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:'+';font-size:20px;color:var(--plasma);font-weight:700;line-height:1}
.faq-item[open] summary::after{content:'–'}
.faq-item p{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.7}

/* final cta */
.final-cta{
  position:relative;overflow:hidden;border-radius:26px;padding:58px 40px;text-align:center;
  border:1px solid var(--line-strong);
  background:linear-gradient(150deg,rgba(37,99,235,.32),rgba(8,18,41,.9));
  box-shadow:var(--shadow);
}
.final-cta h2{font-size:clamp(24px,3vw,34px);color:#fff}
.final-cta p{margin:18px auto 0;max-width:680px;color:#C7D2E1;font-size:15.5px;line-height:1.7}
.final-cta .hero-cta{justify-content:center}

/* footer */
.site-footer{background:#02050E;border-top:1px solid var(--line);padding:64px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.68;max-width:340px}
.footer-col h3{font-size:13px;letter-spacing:.13em;text-transform:uppercase;color:#7DD3FC;font-weight:800;margin-bottom:16px}
.footer-col a,.footer-col span{display:block;font-size:14px;color:#A9B6C8;padding:6px 0;transition:color .25s}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:46px;padding-top:24px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:#6B7A90;
}
.badge-18{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:10px;
  border:1px solid var(--line-strong);font-size:12.5px;font-weight:800;color:#BAE6FD;
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;opacity:.78;
  border:1.5px solid transparent;
  background-image:linear-gradient(rgba(3,7,18,.92),rgba(3,7,18,.92)),linear-gradient(135deg,#2563EB,#38BDF8);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  transition:transform .3s,box-shadow .3s,opacity .3s;
}
.fab svg{width:24px;height:24px;stroke:#7DD3FC;fill:none;stroke-width:1.8;transition:transform .5s,stroke .3s}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.72)}
.fab:hover svg{transform:rotate(360deg);stroke:#fff}
.fab:active{transform:scale(.94)}
.fab-dot{position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:50%;background:#38BDF8;box-shadow:0 0 10px #38BDF8;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* responsive */
@media (max-width:1080px){
  .stat-grid,.trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:980px){
  .main-nav{
    position:fixed;left:0;right:0;top:74px;flex-direction:column;align-items:stretch;
    gap:4px;padding:18px 20px 24px;margin-left:0;
    background:rgba(3,7,18,.98);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-140%);transition:transform .35s ease;z-index:65;
  }
  .main-nav.open{transform:translateY(0)}
  .nav-link{padding:13px 16px;border-radius:12px}
  .nav-toggle{display:inline-flex}
  .split,.showcase,.news-layout{grid-template-columns:1fr}
  .channel-grid,.tier-grid,.review-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
  .brand-text{display:none}
  .header-inner{gap:10px;height:68px}
  .main-nav{top:68px}
  .btn-primary,.btn-outline,.btn-ghost{padding:9px 15px;font-size:13px}
  .btn-lg{padding:12px 22px;font-size:14px}
  .hero-inner{padding:56px 0 42px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta a{width:100%}
  .scenario-grid,.game-grid,.stat-grid,.trust-grid{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr}
  .compare-row > div{padding:14px 18px}
  .final-cta{padding:40px 22px}
  .footer-grid{grid-template-columns:1fr}
  .fab{width:52px;height:52px;bottom:88px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#050B18;
  --bg-elev:#0B1730;
  --glass:rgba(11,23,48,.66);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sp:clamp(58px,7vw,100px);
  --shadow:0 18px 48px rgba(2,6,23,.62);
  --glow:0 0 28px rgba(37,99,235,.42);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:-.02em;color:#fff;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:14.5px;font-weight:700;color:#fff;letter-spacing:-.01em}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#CBD5E1;transition:background .25s,color .25s,box-shadow .25s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.12)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(100deg,rgba(37,99,235,.42),rgba(56,189,248,.26));
  box-shadow:inset 0 0 0 1px var(--line-strong);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E2E8F0;border-radius:2px;position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:18px;height:2px;background:#E2E8F0;border-radius:2px;transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ BUTTONS ============ */
.btn-primary,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:14.5px;padding:11px 22px;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
  white-space:nowrap;
}
.btn-primary{color:#fff;background:linear-gradient(120deg,#2563EB,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.68)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{color:#E2E8F0;background:rgba(56,189,248,.07);border:1px solid var(--line-strong)}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:#fff}
.btn-ghost{color:#CBD5E1;padding:11px 16px}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-lg{padding:14px 30px;font-size:15.5px}
.btn-primary:focus-visible,.btn-outline:focus-visible,.btn-ghost:focus-visible,.nav-link:focus-visible{
  outline:2px solid var(--plasma);outline-offset:3px;
}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid rgba(56,189,248,.1)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.3}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.76) 0%,rgba(3,7,18,.92) 62%,#030712 100%),
    radial-gradient(70% 62% at 8% 12%,rgba(37,99,235,.45),transparent 72%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.18fr .82fr;gap:44px;align-items:start;
  padding:76px 0 66px;
}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.2);border:1px solid var(--line-strong);
}
.hero h1{
  margin-top:20px;
  font-size:clamp(29px,4vw,48px);
  line-height:1.17;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#FFFFFF 18%,#93C5FD 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:20px;max-width:660px;font-size:16.5px;color:#C7D2E1;line-height:1.7}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:44px}
.hero-stats div{padding:15px 16px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(12px)}
.hero-stats b{display:block;font-size:19px;font-weight:800;color:#fff;letter-spacing:-.01em}
.hero-stats span{font-size:12.5px;color:var(--muted);letter-spacing:.02em}
.hero-panel{
  border-radius:var(--r-lg);padding:26px 24px 24px;
  background:linear-gradient(165deg,rgba(11,23,48,.92),rgba(5,11,24,.72));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),0 0 34px rgba(37,99,235,.22);
  backdrop-filter:blur(14px);
}
.hero-panel h2{font-size:16px;font-weight:700;color:#E2E8F0;letter-spacing:.01em}
.panel-note{margin-top:6px;font-size:13px;color:var(--muted)}
.league-list{margin-top:18px;display:grid;gap:2px}
.league-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 2px;border-bottom:1px dashed rgba(56,189,248,.16);font-size:14px;
}
.league-list li:last-child{border-bottom:0}
.league-list span{color:#CBD5E1}
.league-list b{color:var(--plasma);font-weight:700;font-size:13.5px;letter-spacing:.01em}
.panel-cta{width:100%;margin-top:20px}
.panel-foot{margin-top:12px;font-size:12.5px;color:var(--muted);text-align:center}

/* ============ SECTIONS ============ */
.section{padding:var(--sp) 0;position:relative}
.section.alt{
  background:linear-gradient(180deg,#050B18 0%,#030712 100%);
  border-top:1px solid rgba(56,189,248,.08);
  border-bottom:1px solid rgba(56,189,248,.08);
}
.section-head{max-width:780px;margin-bottom:44px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--plasma);font-weight:700;margin-bottom:14px}
.section h2{font-size:clamp(24px,3vw,36px);line-height:1.26;font-weight:800;letter-spacing:-.015em}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.7}
.section h3{font-size:17px;font-weight:700;line-height:1.4}

.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);
  backdrop-filter:blur(12px);
  transition:border-color .3s,transform .3s,box-shadow .3s;
}
.card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 20px 44px rgba(2,6,23,.6),0 0 22px rgba(56,189,248,.24)}

.feature{padding:26px 22px}
.feature-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-size:19px;color:#fff;
  background:linear-gradient(140deg,rgba(37,99,235,.9),rgba(56,189,248,.7));
  box-shadow:0 0 20px rgba(56,189,248,.34);
}
.feature h3{margin-top:18px}
.feature p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.7}

/* sport cards */
.sport-card{
  overflow:hidden;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--bg-elev);transition:border-color .3s,transform .3s,box-shadow .3s;
}
.sport-card:hover{border-color:var(--line-strong);transform:translateY(-5px);box-shadow:0 20px 44px rgba(2,6,23,.66),0 0 24px rgba(56,189,248,.26)}
.sport-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#050B18}
.sport-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.sport-card:hover .sport-thumb img{transform:scale(1.07)}
.sport-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05) 25%,rgba(3,7,18,.92) 100%)}
.sport-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 11px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:#E0F2FE;background:rgba(3,7,18,.72);border:1px solid var(--line-strong);backdrop-filter:blur(8px);
}
.sport-body{padding:16px 18px 20px}
.sport-body h3{font-size:16.5px}
.sport-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.65}

/* split block */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.keo-list{margin-top:28px;display:grid;gap:16px}
.keo-list li{display:flex;gap:16px;padding:16px 18px;border-radius:var(--r-md);background:rgba(11,23,48,.5);border:1px solid var(--line);transition:border-color .3s,background .3s}
.keo-list li:hover{border-color:var(--line-strong);background:rgba(11,23,48,.78)}
.keo-num{
  flex-shrink:0;width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#BAE6FD;background:rgba(37,99,235,.24);border:1px solid var(--line-strong);
}
.keo-list b{display:block;font-size:15.5px;color:#F1F5F9}
.keo-list p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.65}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);position:relative}
.split-media img{width:100%;height:100%;min-height:280px;object-fit:cover;opacity:.9}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px 22px 18px;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.94));
  font-size:13.5px;color:#CBD5E1;line-height:1.6;
}
.mini-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
.mini-stats div{padding:14px 16px;border-radius:var(--r-sm);background:rgba(11,23,48,.6);border:1px solid var(--line)}
.mini-stats b{display:block;font-size:18px;font-weight:800;color:var(--plasma)}
.mini-stats span{font-size:12.5px;color:var(--muted)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
  padding:24px 20px;border-radius:var(--r-md);
  background:linear-gradient(165deg,rgba(11,23,48,.86),rgba(5,11,24,.6));
  border:1px solid var(--line);transition:border-color .3s,transform .3s;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step-num{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--plasma)}
.step h3{margin-top:12px;font-size:16.5px}
.step p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.65}

/* payment */
.pay-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:26px}
.pay-item{
  display:flex;align-items:center;gap:13px;padding:17px 18px;
  border-radius:var(--r-md);border:1px solid var(--line);background:rgba(11,23,48,.55);
  transition:border-color .3s,background .3s,transform .3s;
}
.pay-item:hover{border-color:var(--line-strong);background:rgba(11,23,48,.85);transform:translateY(-3px)}
.pay-item i{font-size:19px;color:var(--plasma);flex-shrink:0}
.pay-item b{display:block;font-size:14.5px;color:#F1F5F9}
.pay-item span{font-size:12.5px;color:var(--muted)}
.note-line{margin-top:22px;font-size:14.5px;color:var(--muted);line-height:1.7;max-width:860px}

/* category matrix */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cat-card{
  display:block;padding:26px 24px;border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(11,23,48,.9),rgba(5,11,24,.62));
  border:1px solid var(--line);transition:border-color .3s,transform .3s,box-shadow .3s;
}
.cat-card:hover{border-color:var(--line-strong);transform:translateY(-5px);box-shadow:0 20px 44px rgba(2,6,23,.6),0 0 24px rgba(56,189,248,.24)}
.cat-card i{font-size:20px;color:var(--plasma)}
.cat-card h3{margin-top:16px;font-size:17.5px}
.cat-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.65}
.cat-more{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:14px;font-weight:700;color:var(--plasma)}
.cat-card:hover .cat-more i{transform:translateX(4px)}
.cat-more i{font-size:13px;transition:transform .3s}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-md);background:rgba(11,23,48,.5);overflow:hidden;transition:border-color .3s,background .3s}
.faq-item.open{border-color:var(--line-strong);background:rgba(11,23,48,.78)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:15.5px;font-weight:600;color:#F1F5F9;line-height:1.5;
}
.faq-q i{color:var(--plasma);font-size:14px;transition:transform .3s;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-item.open .faq-a{max-height:460px}
.faq-a p{padding:0 20px 20px;font-size:14.5px;color:var(--muted);line-height:1.72}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.3),rgba(56,189,248,.1) 65%,rgba(11,23,48,.9));
  padding:clamp(28px,5vw,54px);
  display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(23px,2.8vw,34px);line-height:1.25;font-weight:800;letter-spacing:-.015em}
.cta-band p{margin-top:16px;color:#C7D2E1;font-size:15.5px;line-height:1.72;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-facts{display:grid;gap:12px}
.cta-facts div{
  display:flex;align-items:center;gap:12px;padding:14px 16px;
  border-radius:var(--r-sm);background:rgba(3,7,18,.5);border:1px solid var(--line);
  font-size:14px;color:#CBD5E1;
}
.cta-facts i{color:var(--plasma)}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 18px 11px 11px;border-radius:999px;
  background:rgba(7,7,13,.82);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(120deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  backdrop-filter:blur(14px);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.8;transition:opacity .28s,box-shadow .28s,transform .28s;
}
.fab:hover{opacity:1;box-shadow:0 0 32px rgba(56,189,248,.72);transform:translateY(-2px)}
.fab:active{transform:scale(.96)}
.fab-icon{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563EB,#38BDF8);color:#fff;font-size:15px;
}
.fab-text{font-size:13px;font-weight:700;color:#E2E8F0;letter-spacing:.02em}
.fab-dot{
  position:absolute;top:7px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px #F43F5E;animation:fabPulse 1.8s infinite;
}
@keyframes fabPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.55);opacity:.45}}

/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg,#030712 0%,#050B18 100%);
  border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.72;max-width:420px}
.footer-col h3{font-size:13.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#E2E8F0;margin-bottom:16px}
.footer-col a,.footer-col span{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:color .25s,transform .25s}
.footer-col a:hover{color:var(--plasma);transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--muted);font-size:13px;
}
.badge-18{
  display:inline-flex;align-items:center;justify-content:center;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:800;letter-spacing:.06em;
  color:#BAE6FD;background:rgba(37,99,235,.2);border:1px solid var(--line-strong);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:74px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px 20px 24px;
    background:rgba(5,11,24,.98);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .28s ease,opacity .28s ease;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{padding:13px 16px;border-radius:12px;font-size:15px}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:60px 0 54px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:34px}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .pay-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .section{padding:clamp(46px,9vw,64px) 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .split-media img{min-height:220px}
}
@media (max-width:520px){
  .header-inner{height:66px;gap:8px}
  .brand-mark{width:40px;height:40px;border-radius:12px;font-size:13px}
  .brand-text b{font-size:13px}
  .brand-text span{display:none}
  .btn-ghost{padding:9px 10px;font-size:13px}
  .header-actions .btn-primary{padding:9px 14px;font-size:13px}
  .main-nav{top:66px}
  .hero-grid{padding:44px 0 46px}
  .hero-stats{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .pay-grid{grid-template-columns:1fr}
  .mini-stats{grid-template-columns:1fr}
  .fab{bottom:82px;padding:10px 16px 10px 10px}
  .fab-text{font-size:12px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#050B18;
  --bg-elev:#0B1730;
  --glass:rgba(11,23,48,.66);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sp:clamp(58px,7vw,100px);
  --shadow:0 18px 48px rgba(2,6,23,.62);
  --glow:0 0 28px rgba(37,99,235,.42);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--plasma);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:-.02em;color:#fff;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:14.5px;font-weight:700;color:#fff;letter-spacing:-.01em}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#CBD5E1;transition:background .25s,color .25s,box-shadow .25s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.12)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(100deg,rgba(37,99,235,.42),rgba(56,189,248,.26));
  box-shadow:inset 0 0 0 1px var(--line-strong);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E2E8F0;border-radius:2px;position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:18px;height:2px;background:#E2E8F0;border-radius:2px;transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ BUTTONS ============ */
.btn-primary,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:14.5px;padding:11px 22px;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;background:linear-gradient(120deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.42);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.68)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{
  color:#E2E8F0;background:rgba(56,189,248,.07);
  border:1px solid var(--line-strong);
}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:#fff}
.btn-ghost{color:#CBD5E1;padding:11px 16px}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-lg{padding:14px 30px;font-size:15.5px}

/* ============ ARTICLE HERO ============ */
.article-hero{position:relative;overflow:hidden;background:var(--bg)}
.article-hero .hero-bg{position:absolute;inset:0;z-index:0}
.article-hero .hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.3}
.article-hero .hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.76) 0%,rgba(3,7,18,.92) 62%,#030712 100%),
    radial-gradient(70% 70% at 10% 12%,rgba(37,99,235,.4),transparent 72%);
}
.article-hero-inner{position:relative;z-index:2;padding:56px 0 50px;max-width:920px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:20px}
.breadcrumb a{color:#BAE6FD;transition:color .2s}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-style:normal;opacity:.5}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.2);border:1px solid var(--line-strong);
}
.article-hero h1{
  margin-top:20px;
  font-size:clamp(27px,4vw,46px);
  line-height:1.2;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#FFFFFF 18%,#93C5FD 62%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.article-meta span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:12.5px;color:#C7D2E1;
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(10px);
}
.article-lead{margin-top:22px;max-width:760px;font-size:16px;color:#C7D2E1;line-height:1.72}

/* ============ COVER ============ */
.article-cover{margin-top:-28px;position:relative;z-index:3}
.article-cover img{
  width:100%;height:clamp(220px,42vw,440px);object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.article-cover figcaption{margin-top:12px;font-size:12.5px;color:var(--muted);text-align:center}

/* ============ ARTICLE BODY ============ */
.article-main{padding:clamp(42px,5vw,72px) 0 var(--sp)}
.article-wrap{max-width:880px;margin-inline:auto}
.pull-quote{
  position:relative;margin:0 0 38px;padding:26px 28px 26px 34px;
  border-radius:var(--r-md);
  background:linear-gradient(100deg,rgba(37,99,235,.18),rgba(11,23,48,.55));
  border:1px solid var(--line);
  border-left:4px solid var(--plasma);
  box-shadow:var(--glow);
}
.pull-quote p{font-size:17.5px;line-height:1.6;font-weight:600;color:#E2F2FF}
.pull-quote cite{display:block;margin-top:12px;font-style:normal;font-size:13px;color:var(--muted);letter-spacing:.04em}
.prose{font-size:16.5px;line-height:1.75;color:#D3DCEA}
.prose > * + *{margin-top:22px}
.prose h2{
  position:relative;padding-left:16px;margin-top:44px;
  font-size:clamp(21px,2.6vw,29px);line-height:1.32;font-weight:800;color:#fff;letter-spacing:-.015em;
}
.prose h2::before{
  content:'';position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#2563EB,#38BDF8);
}
.prose h3{margin-top:34px;font-size:19px;font-weight:700;color:#fff}
.prose h4{margin-top:26px;font-size:17px;font-weight:700;color:#E2F2FF}
.prose p{color:#C7D2E1}
.prose strong{color:#fff;font-weight:700}
.prose a{color:#7DD3FC;text-decoration:underline;text-decoration-color:rgba(125,211,252,.4);text-underline-offset:3px}
.prose a:hover{color:#fff}
.prose ul,.prose ol{padding-left:22px}
.prose ul{list-style:none}
.prose ul li{position:relative;padding-left:20px;margin-top:12px}
.prose ul li::before{
  content:'';position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;
  background:linear-gradient(120deg,#2563EB,#38BDF8);box-shadow:0 0 10px rgba(56,189,248,.7);
}
.prose ol{list-style:decimal}
.prose ol li{margin-top:12px;padding-left:6px}
.prose ol li::marker{color:var(--plasma);font-weight:700}
.prose img{width:100%;height:auto;border-radius:var(--r-md);border:1px solid var(--line)}
.prose figure{margin-top:28px}
.prose figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center}
.prose blockquote{
  margin-top:28px;padding:20px 24px;border-radius:var(--r-md);
  background:rgba(56,189,248,.07);border:1px solid var(--line);
  border-left:3px solid var(--line-strong);color:#DCEAF8;
}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;display:block;overflow-x:auto}
.prose th,.prose td{padding:12px 14px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.prose th{background:rgba(56,189,248,.1);color:#fff;font-weight:700}
.prose hr{border:0;border-top:1px solid var(--line);margin-top:34px}

.article-empty{
  padding:38px 30px;border-radius:var(--r-lg);text-align:center;
  background:var(--glass);border:1px solid var(--line);
}
.article-empty h2{font-size:24px;font-weight:800;color:#fff}
.article-empty p{margin-top:14px;color:var(--muted)}
.article-empty .btn-primary{margin-top:24px}

/* ============ SECTIONS ============ */
.section{padding:var(--sp) 0;position:relative}
.section.alt{
  background:linear-gradient(180deg,#050B18 0%,#030712 100%);
  border-top:1px solid rgba(56,189,248,.08);
  border-bottom:1px solid rgba(56,189,248,.08);
}
.section-head{max-width:820px;margin-bottom:44px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--plasma);font-weight:700;margin-bottom:14px}
.section h2{font-size:clamp(24px,3.1vw,36px);line-height:1.28;font-weight:800;letter-spacing:-.015em;color:#fff}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.7}
.section h3{font-size:17px;font-weight:700;color:#fff;line-height:1.4}

/* ============ CARD GRIDS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card{
  padding:26px 24px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);
  transition:transform .28s,border-color .28s,box-shadow .28s,background .28s;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 18px 40px rgba(2,6,23,.6),var(--glow)}
.card p{margin-top:12px;color:var(--muted);font-size:14.8px;line-height:1.7}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-size:19px;margin-bottom:16px;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.18));
  border:1px solid var(--line-strong);color:#BAE6FD;
}
.card-tag{
  display:inline-block;margin-bottom:14px;padding:5px 12px;border-radius:999px;
  font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:#BAE6FD;background:rgba(37,99,235,.22);border:1px solid var(--line-strong);
}

/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.channel-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:26px 24px;border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(11,23,48,.9),rgba(5,11,24,.72));
  border:1px solid var(--line);
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.channel-card b{font-size:18px;font-weight:800;color:#fff}
.channel-card span{color:var(--muted);font-size:14.5px;line-height:1.7}
.channel-card .link-more{margin-top:auto;font-size:13.5px;font-weight:700;color:#7DD3FC}
.channel-card:hover .link-more{color:#fff}

/* ============ PAYMENT ============ */
.pay-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.pay-item{
  padding:20px 18px;border-radius:var(--r-sm);text-align:center;
  background:rgba(11,23,48,.6);border:1px solid var(--line);
  transition:border-color .25s,transform .25s,background .25s;
}
.pay-item:hover{border-color:var(--line-strong);transform:translateY(-3px);background:rgba(37,99,235,.14)}
.pay-item b{display:block;font-size:15px;font-weight:700;color:#fff}
.pay-item span{display:block;margin-top:6px;font-size:12.5px;color:var(--muted)}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:34px}
.stat-box{
  padding:22px 20px;border-radius:var(--r-md);
  background:linear-gradient(140deg,rgba(37,99,235,.16),rgba(11,23,48,.6));
  border:1px solid var(--line);
}
.stat-box b{display:block;font-size:26px;font-weight:800;color:#fff;letter-spacing:-.02em}
.stat-box span{display:block;margin-top:6px;font-size:13px;color:var(--muted)}

/* ============ TRUST ============ */
.trust-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.trust-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px 20px;border-radius:var(--r-sm);
  background:rgba(11,23,48,.5);border:1px solid var(--line);
}
.trust-list li b{display:block;font-size:15.5px;font-weight:700;color:#fff}
.trust-list li p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.65}
.trust-dot{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:15px;color:#BAE6FD;
  background:rgba(37,99,235,.22);border:1px solid var(--line-strong);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-item{
  border-radius:var(--r-md);border:1px solid var(--line);
  background:rgba(11,23,48,.5);margin-bottom:14px;overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:700;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';flex-shrink:0;font-size:20px;font-weight:600;color:var(--plasma);
  transition:transform .25s;
}
.faq-item[open]{background:rgba(37,99,235,.12);border-color:var(--line-strong)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 22px;color:#C7D2E1;font-size:15px;line-height:1.72}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  padding:clamp(34px,5vw,60px) clamp(24px,4vw,54px);
  background:linear-gradient(120deg,rgba(37,99,235,.34),rgba(11,23,48,.86));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  text-align:center;
}
.cta-band::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(60% 90% at 88% 10%,rgba(56,189,248,.28),transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(23px,3vw,34px);font-weight:800;line-height:1.28;color:#fff}
.cta-band p{margin-top:16px;max-width:660px;margin-inline:auto;color:#C7D2E1;font-size:15.5px;line-height:1.72}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 19px;border-radius:999px;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(120deg,#2563EB,#38BDF8);
  background-origin:border-box;background-clip:padding-box,border-box;
  backdrop-filter:blur(14px);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  color:#E2E8F0;font-size:13.5px;font-weight:700;
  opacity:.78;transition:opacity .3s,transform .3s,box-shadow .3s;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 36px rgba(56,189,248,.72)}
.fab:active{transform:scale(.95)}
.fab svg{width:20px;height:20px;stroke:#7DD3FC;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.fab-dot{
  position:absolute;top:6px;right:8px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 3px rgba(3,7,18,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38)}
  50%{box-shadow:0 0 32px rgba(56,189,248,.68)}
}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.25}}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:0;padding:64px 0 26px;
  background:linear-gradient(180deg,#030712 0%,#050B18 100%);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14.2px;line-height:1.72;max-width:400px}
.footer-col{display:flex;flex-direction:column;gap:10px}
.footer-col h3{font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#BAE6FD;margin-bottom:6px}
.footer-col a,.footer-col span{font-size:14.2px;color:var(--muted);transition:color .2s,transform .2s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.badge-18{
  display:inline-grid;place-items:center;min-width:38px;height:26px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:800;color:#BAE6FD;
  background:rgba(37,99,235,.2);border:1px solid var(--line-strong);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px 20px 22px;
    background:rgba(3,7,18,.97);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .28s,opacity .28s;
    max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{padding:13px 16px;border-radius:12px;font-size:15px}
  .header-actions{margin-left:auto}
  .header-actions .btn-ghost{display:none}
  .grid-4,.pay-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3,.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .header-inner{height:66px;gap:12px}
  .brand-mark{width:40px;height:40px;border-radius:12px;font-size:13px}
  .brand-text span{display:none}
  .main-nav{top:66px;max-height:calc(100vh - 66px)}
  .article-hero-inner{padding:42px 0 40px}
  .article-cover{margin-top:-16px}
  .grid-2,.grid-3,.grid-4,.channel-grid,.pay-grid,.stat-row,.trust-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-brand p{max-width:none}
  .fab{bottom:84px;padding:12px 16px;font-size:12.5px}
}
@media (max-width:520px){
  .container{padding-inline:16px}
  .header-actions .btn-primary{padding:9px 16px;font-size:13.5px}
  .article-hero h1{font-size:26px}
  .article-meta span{font-size:12px;padding:6px 12px}
  .card,.channel-card{padding:22px 18px}
  .pull-quote{padding:20px 18px 20px 22px}
  .cta-actions .btn-primary,.cta-actions .btn-outline{width:100%}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#050B18;
  --bg-elev:#0B1730;
  --glass:rgba(11,23,48,.66);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sp:clamp(58px,7vw,100px);
  --shadow:0 18px 48px rgba(2,6,23,.62);
  --glow:0 0 28px rgba(37,99,235,.42);
}

/* ===== base ===== */
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
p{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.25}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--plasma);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:-.02em;color:#fff;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:14.5px;font-weight:700;color:#fff;letter-spacing:-.01em}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#CBD5E1;transition:background .25s,color .25s,box-shadow .25s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.12)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(100deg,rgba(37,99,235,.42),rgba(56,189,248,.26));
  box-shadow:inset 0 0 0 1px var(--line-strong);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E2E8F0;border-radius:2px;position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:18px;height:2px;background:#E2E8F0;border-radius:2px;transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ===== buttons ===== */
.btn-primary,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:14.5px;padding:11px 22px;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
  white-space:nowrap;
}
.btn-primary{
  color:#fff;background:linear-gradient(120deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.42);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.68)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{
  color:#E2E8F0;background:rgba(56,189,248,.07);
  border:1px solid var(--line-strong);
}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:#fff}
.btn-ghost{color:#CBD5E1;padding:11px 16px}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-lg{padding:14px 30px;font-size:15.5px}

/* ===== hero ===== */
.hero{position:relative;overflow:hidden;background:var(--bg)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.32}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.92) 62%,#030712 100%),
    radial-gradient(72% 68% at 12% 16%,rgba(37,99,235,.44),transparent 70%);
}
.hero-inner{position:relative;z-index:2;padding:76px 0 54px;max-width:920px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.2);border:1px solid var(--line-strong);
}
.hero h1{
  margin-top:22px;
  font-size:clamp(28px,4.4vw,50px);
  line-height:1.18;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#FFFFFF 20%,#93C5FD 60%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:22px;max-width:760px;font-size:16.5px;color:#C7D2E1;line-height:1.7}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.live-note{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:24px;
  font-size:13.5px;color:#BAE6FD;font-weight:600;
}
.live-dot{
  width:9px;height:9px;border-radius:50%;background:#38BDF8;
  box-shadow:0 0 0 4px rgba(56,189,248,.16);
  animation:beat 1.6s infinite ease-in-out;
}
@keyframes beat{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:44px}
.hero-stats div{
  padding:16px 18px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(12px);
}
.hero-stats b{display:block;font-size:21px;font-weight:800;color:#fff;letter-spacing:-.01em}
.hero-stats span{font-size:12.5px;color:var(--muted);letter-spacing:.03em}

/* ===== sections ===== */
.section{padding:var(--sp) 0;position:relative}
.section.alt{
  background:linear-gradient(180deg,#050B18 0%,#030712 100%);
  border-top:1px solid rgba(56,189,248,.08);
  border-bottom:1px solid rgba(56,189,248,.08);
}
.section-head{max-width:820px;margin-bottom:46px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--plasma);font-weight:700;margin-bottom:14px}
.section h2{font-size:clamp(25px,3.2vw,38px);line-height:1.26;font-weight:800;letter-spacing:-.015em}
.section-head p{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.7}
.section h3{font-size:17px;font-weight:700;line-height:1.4}
.section h4{font-size:15px;font-weight:700}

/* ===== grid & cards ===== */
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .3s,border-color .3s,box-shadow .3s,background .3s;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.card-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-size:19px;color:#BAE6FD;margin-bottom:18px;
  background:linear-gradient(140deg,rgba(37,99,235,.34),rgba(56,189,248,.14));
  border:1px solid var(--line);
}
.card p{color:var(--muted);font-size:14.5px;line-height:1.7;margin-top:10px}
.card-media{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);margin-bottom:18px;border:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#BAE6FD;background:rgba(37,99,235,.18);border:1px solid var(--line);
}
.tag.gold{color:#FDE68A;background:rgba(245,158,11,.14);border-color:rgba(245,158,11,.36)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ===== scene rows ===== */
.scene{
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
  padding:30px 0;border-bottom:1px solid rgba(56,189,248,.1);
}
.scene:last-child{border-bottom:0}
.scene.reverse .scene-media{order:-1}
.scene-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line)}
.scene h3{margin-top:14px;font-size:clamp(19px,2.2vw,24px);font-weight:800}
.scene p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.7}
.scene ul{margin-top:16px;display:grid;gap:10px}
.scene li{position:relative;padding-left:26px;font-size:14.5px;color:#CBD5E1}
.scene li::before{
  content:'';position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,#2563EB,#38BDF8);box-shadow:0 0 10px rgba(56,189,248,.6);
}

/* ===== steps ===== */
.panel{
  background:linear-gradient(160deg,rgba(11,23,48,.9),rgba(5,11,24,.92));
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(22px,3vw,34px);
}
.step{display:flex;gap:18px;padding:22px 0;border-bottom:1px dashed rgba(56,189,248,.16)}
.step:last-child{border-bottom:0;padding-bottom:0}
.step:first-child{padding-top:0}
.step-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.step p{color:var(--muted);font-size:14.5px;margin-top:8px;line-height:1.7}

/* ===== pay ===== */
.pay-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px}
.pay-item{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:var(--r-md);
  background:rgba(11,23,48,.62);border:1px solid var(--line);transition:.3s;
}
.pay-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--glow)}
.pay-item i{font-size:19px;color:#38BDF8}
.pay-item b{display:block;font-size:14.5px;font-weight:700}
.pay-item span{font-size:12.5px;color:var(--muted)}
.metric-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:26px}
.metric{padding:20px;border-radius:var(--r-md);background:rgba(37,99,235,.1);border:1px solid var(--line)}
.metric b{display:block;font-size:23px;font-weight:800;color:#fff;letter-spacing:-.02em}
.metric span{font-size:12.5px;color:var(--muted)}

/* ===== split ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.chip-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  color:#CBD5E1;background:rgba(56,189,248,.07);border:1px solid var(--line);transition:.25s;
}
.chip:hover{color:#fff;border-color:var(--line-strong);background:rgba(56,189,248,.16)}
.tier{display:flex;align-items:center;justify-content:space-between;padding:14px 0;border-bottom:1px dashed rgba(56,189,248,.16)}
.tier:last-child{border-bottom:0}
.tier b{font-size:15px}
.tier span{font-size:13.5px;color:var(--muted)}
.tier .tag{margin-left:auto}

/* ===== trust ===== */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.trust-item{
  text-align:left;padding:22px;border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(11,23,48,.86),rgba(5,11,24,.86));
  border:1px solid var(--line);transition:.3s;
}
.trust-item:hover{border-color:var(--line-strong);box-shadow:var(--glow)}
.trust-item i{font-size:20px;color:#38BDF8;margin-bottom:14px;display:block}
.trust-item b{display:block;font-size:14.5px;font-weight:700}
.trust-item span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.6}

/* ===== faq ===== */
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--glass);margin-bottom:14px;overflow:hidden;transition:.3s;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:16px;
  display:flex;justify-content:space-between;gap:16px;align-items:center;color:#F1F5F9;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';font-size:20px;color:var(--plasma);transition:transform .25s;flex:0 0 auto}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.7}

/* ===== cta ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.34),rgba(56,189,248,.12));
  padding:clamp(28px,4vw,52px);
}
.cta-band::after{
  content:'';position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.36),transparent 70%);
}
.cta-band h2{position:relative;z-index:2}
.cta-band p{position:relative;z-index:2;margin-top:14px;max-width:640px;color:#C7D2E1;font-size:15.5px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ===== fab ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:0 20px;border-radius:999px;
  background:rgba(5,11,24,.86);
  border:1px solid rgba(56,189,248,.6);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 22px rgba(56,189,248,.45);
  color:#E0F2FE;font-weight:700;font-size:14px;
  transition:transform .3s,box-shadow .3s,border-color .3s;
}
.fab:hover{transform:scale(1.07);box-shadow:0 0 34px rgba(56,189,248,.8);border-color:#38BDF8}
.fab:active{transform:scale(.97)}
.fab i{font-size:17px;color:#38BDF8;animation:flicker 3.2s infinite}
@keyframes flicker{0%,92%,100%{opacity:1}94%{opacity:.4}96%{opacity:1}98%{opacity:.55}}
.fab-dot{
  position:absolute;top:-4px;right:-4px;width:14px;height:14px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px #030712,0 0 12px rgba(244,63,94,.9);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}

/* ===== footer ===== */
.site-footer{
  background:linear-gradient(180deg,#030712 0%,#050B18 100%);
  border-top:1px solid var(--line);
  padding:60px 0 26px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{margin-top:18px;color:var(--muted);font-size:14px;line-height:1.7;max-width:360px}
.footer-col h3{font-size:14px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#E2E8F0;margin-bottom:16px}
.footer-col a,.footer-col span{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:color .25s,transform .25s}
.footer-col a:hover{color:var(--plasma);transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--muted);font-size:13px;
}
.badge-18{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;
  font-weight:800;font-size:12.5px;color:#BAE6FD;
  border:1px solid var(--line-strong);background:rgba(37,99,235,.16);
}

/* ===== responsive ===== */
@media (max-width:1024px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:920px){
  .scene{grid-template-columns:1fr;gap:20px}
  .scene.reverse .scene-media{order:0}
  .split{grid-template-columns:1fr}
}
@media (max-width:860px){
  .nav-toggle{display:inline-flex}
  .header-inner{gap:10px}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    padding:14px 20px 20px;
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{border-radius:12px;padding:12px 14px}
}
@media (max-width:768px){
  .brand-text{display:none}
  .brand-mark{width:42px;height:42px;border-radius:12px;font-size:14px}
  .btn-ghost{padding:9px 12px;font-size:13px}
  .header-actions .btn-primary{padding:9px 14px;font-size:13px}
}
@media (max-width:640px){
  .grid-2,.grid-3,.grid-4,.trust-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-inner{padding:56px 0 42px}
  .hero-cta{gap:10px}
  .hero-cta .btn-primary,.hero-cta .btn-outline{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .fab{left:12px;bottom:20px;min-height:52px;padding:0 16px;font-size:13px}
  .cta-actions .btn-primary,.cta-actions .btn-outline{width:100%}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#050B18;
  --bg-elev:#0B1730;
  --glass:rgba(11,23,48,.66);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.42);
  --volt:#2563EB;
  --plasma:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --sp:clamp(58px,7vw,100px);
  --shadow:0 18px 48px rgba(2,6,23,.62);
  --glow:0 0 28px rgba(37,99,235,.42);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro',system-ui,'Segoe UI',sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,figure{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--plasma);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:15px;letter-spacing:-.02em;color:#fff;
  background:linear-gradient(135deg,#2563EB,#38BDF8);
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:14.5px;font-weight:700;color:#fff;letter-spacing:-.01em}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  padding:9px 15px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#CBD5E1;transition:background .25s,color .25s,box-shadow .25s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.12)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(100deg,rgba(37,99,235,.42),rgba(56,189,248,.26));
  box-shadow:inset 0 0 0 1px var(--line-strong);
}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E2E8F0;border-radius:2px;position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:18px;height:2px;background:#E2E8F0;border-radius:2px;transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ============ BUTTONS ============ */
.btn-primary,.btn-outline,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:14.5px;padding:11px 22px;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
  white-space:nowrap;
}
.btn-primary{color:#fff;background:linear-gradient(120deg,#2563EB,#38BDF8);box-shadow:0 0 18px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.68)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{color:#E2E8F0;background:rgba(56,189,248,.07);border:1px solid var(--line-strong)}
.btn-outline:hover{background:rgba(56,189,248,.16);transform:translateY(-2px);color:#fff}
.btn-ghost{color:#CBD5E1;padding:11px 16px}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.12)}
.btn-lg{padding:15px 32px;font-size:15.5px}

/* ============ HERO (category) ============ */
.hero{position:relative;overflow:hidden;background:var(--bg)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.32}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.92) 64%,#030712 100%),
    radial-gradient(70% 66% at 88% 12%,rgba(37,99,235,.42),transparent 70%);
}
.hero-grid{
  position:relative;z-index:2;padding:74px 20px 62px;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:46px;align-items:center;
}
.hero-copy{max-width:640px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:#BAE6FD;
  background:rgba(37,99,235,.2);border:1px solid var(--line-strong);
}
.hero h1{
  margin-top:22px;font-size:clamp(29px,4.2vw,48px);line-height:1.16;
  font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#FFFFFF 18%,#93C5FD 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:20px;font-size:16.5px;color:#C7D2E1;line-height:1.7}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.hero-tags span{
  font-size:12.5px;font-weight:600;color:#BAE6FD;padding:6px 13px;border-radius:999px;
  background:rgba(56,189,248,.09);border:1px solid var(--line);
}
.hero-panel{
  border-radius:var(--r-lg);padding:26px;
  background:var(--glass);border:1px solid var(--line-strong);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.hero-panel h2{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--plasma);font-weight:700}
.jackpot-value{
  margin-top:10px;font-size:clamp(26px,3.4vw,36px);font-weight:800;letter-spacing:-.02em;
  color:#fff;text-shadow:0 0 22px rgba(56,189,248,.55);
}
.jackpot-note{margin-top:6px;font-size:13px;color:var(--muted)}
.panel-list{margin-top:22px;display:grid;gap:11px}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(3,7,18,.6);border:1px solid var(--line);font-size:14px;
}
.panel-list b{color:#E2E8F0;font-weight:600}
.panel-list em{font-style:normal;color:var(--plasma);font-weight:700}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.pay-row span{
  font-size:12px;font-weight:700;letter-spacing:.03em;color:#E2E8F0;
  padding:7px 12px;border-radius:8px;background:rgba(37,99,235,.18);
  border:1px solid var(--line-strong);
}

/* ============ SECTIONS ============ */
.section{padding:var(--sp) 0;position:relative}
.section.alt{
  background:linear-gradient(180deg,#050B18 0%,#030712 100%);
  border-top:1px solid rgba(56,189,248,.08);
  border-bottom:1px solid rgba(56,189,248,.08);
}
.section-head{max-width:790px;margin-bottom:44px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--plasma);font-weight:700;margin-bottom:14px}
.section h2{font-size:clamp(24px,3.1vw,36px);line-height:1.26;font-weight:800;letter-spacing:-.015em}
.section-head p{margin-top:15px;color:var(--muted);font-size:16px;line-height:1.7}
.section h3{font-size:18px;font-weight:700;line-height:1.4}
.lead{color:#C7D2E1;font-size:16px;line-height:1.7}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}

/* split layout */
.split{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:48px;align-items:start}
.split-head{position:sticky;top:100px}
.split-head h2{margin-top:6px}
.split-head p{margin-top:16px;color:var(--muted);line-height:1.7}
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.feature{
  padding:22px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.feature:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 14px 34px rgba(2,6,23,.6)}
.feature .num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  font-size:13px;font-weight:800;color:#BAE6FD;background:rgba(37,99,235,.24);
  border:1px solid var(--line-strong);margin-bottom:14px;
}
.feature h3{font-size:16.5px;margin-bottom:8px}
.feature p{color:var(--muted);font-size:14.5px;line-height:1.65}

/* game grid */
.game-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.game-card{
  border-radius:var(--r-md);overflow:hidden;background:var(--bg-elev);
  border:1px solid var(--line);transition:transform .3s,border-color .3s,box-shadow .3s;
}
.game-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 18px 40px rgba(2,6,23,.7)}
.game-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.game-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.game-card:hover .game-thumb img{transform:scale(1.07)}
.game-thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.82))}
.game-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:5px 10px;border-radius:999px;color:#030712;background:linear-gradient(120deg,#38BDF8,#A3E635);
}
.game-body{padding:18px}
.game-body h3{font-size:16px}
.game-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.game-meta span{
  font-size:12px;font-weight:600;color:#BAE6FD;padding:5px 10px;border-radius:8px;
  background:rgba(56,189,248,.1);border:1px solid var(--line);
}

/* stat band */
.stat-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat{
  padding:24px 22px;border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(37,99,235,.22),rgba(11,23,48,.72));
  border:1px solid var(--line-strong);
}
.stat b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.02em;color:#fff}
.stat span{display:block;margin-top:7px;font-size:13px;color:var(--muted)}
.band-note{margin-top:26px;color:var(--muted);font-size:14.5px;max-width:860px}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{
  padding:24px 20px;border-radius:var(--r-md);
  background:rgba(3,7,18,.55);border:1px solid var(--line);
  position:relative;transition:border-color .28s,transform .28s;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step b{display:block;font-size:13px;font-weight:800;color:var(--plasma);letter-spacing:.12em;margin-bottom:12px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14.5px;line-height:1.65}

/* scenario cards */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.scene{
  border-radius:var(--r-md);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  display:flex;flex-direction:column;transition:transform .3s,border-color .3s;
}
.scene:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.scene img{width:100%;height:172px;object-fit:cover}
.scene-body{padding:20px}
.scene-body h3{font-size:16.5px;margin-bottom:9px}
.scene-body p{color:var(--muted);font-size:14.5px;line-height:1.65}

/* channel matrix */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.channel{
  display:block;padding:24px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .28s,border-color .28s,background .28s;
}
.channel:hover{transform:translateY(-4px);border-color:var(--line-strong);background:rgba(37,99,235,.14)}
.channel b{display:block;font-size:16.5px;font-weight:700;color:#fff}
.channel p{margin-top:9px;color:var(--muted);font-size:14.5px;line-height:1.65}
.channel span{display:inline-block;margin-top:14px;font-size:13px;font-weight:700;color:var(--plasma)}
.channel.current{border-color:var(--line-strong);background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(11,23,48,.7))}
.channel.current span{color:#A3E635}

/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
  padding:22px;border-radius:var(--r-md);
  background:rgba(3,7,18,.55);border:1px solid var(--line);
  display:flex;flex-direction:column;transition:transform .28s,border-color .28s;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.news-card h3{font-size:16px;line-height:1.45}
.news-card h3:hover{color:#BAE6FD}
.news-card p{margin-top:11px;color:var(--muted);font-size:14.5px;line-height:1.65;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;font-size:12.5px;color:#7E8CA0}
.news-meta span{padding:4px 10px;border-radius:999px;background:rgba(56,189,248,.08);border:1px solid var(--line)}
.news-empty{padding:26px;border-radius:var(--r-md);border:1px dashed var(--line-strong);color:var(--muted);background:rgba(3,7,18,.4)}

/* faq */
.faq-list{display:grid;gap:14px;max-width:940px}
.faq-item{
  border-radius:var(--r-md);background:rgba(3,7,18,.55);
  border:1px solid var(--line);overflow:hidden;transition:border-color .28s;
}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-size:16px;font-weight:600;color:#E2E8F0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';font-size:20px;font-weight:700;color:var(--plasma);
  transition:transform .25s;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.7}

/* CTA */
.cta-wrap{
  border-radius:var(--r-lg);padding:clamp(30px,4.4vw,52px);
  background:
    radial-gradient(80% 130% at 12% 0%,rgba(37,99,235,.34),transparent 62%),
    linear-gradient(150deg,rgba(11,23,48,.94),rgba(3,7,18,.96));
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:36px;align-items:center;
}
.cta-wrap h2{font-size:clamp(24px,3vw,34px);line-height:1.26;font-weight:800}
.cta-wrap p{margin-top:15px;color:#C7D2E1;line-height:1.7}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{display:grid;gap:12px}
.cta-side div{
  padding:15px 18px;border-radius:var(--r-sm);
  background:rgba(3,7,18,.6);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;
}
.cta-side b{color:#fff;font-weight:700}
.cta-side em{font-style:normal;color:var(--plasma);font-weight:700}

/* FAB */
.fab{
  width:58px;height:58px;border-radius:18px;display:grid;place-items:center;
  background:rgba(7,12,26,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.55);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.78;transition:transform .3s,opacity .3s,box-shadow .3s;
  animation:fabFloat 4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.8)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab svg{width:26px;height:26px;stroke:#7DD3FC}
.fab-dot{
  position:absolute;top:-4px;right:-4px;width:14px;height:14px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:dotPulse 1.6s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes dotPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.82)}}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:var(--sp);padding:64px 0 28px;
  background:linear-gradient(180deg,#050B18,#020509);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:38px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14.5px;line-height:1.7;max-width:420px}
.footer-col h3{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:#BAE6FD;font-weight:700;margin-bottom:16px}
.footer-col a,.footer-col span{display:block;color:var(--muted);font-size:14.5px;padding:6px 0;transition:color .25s,transform .25s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:#7E8CA0;font-size:13.5px;
}
.badge-18{
  display:inline-grid;place-items:center;min-width:44px;height:30px;padding:0 12px;
  border-radius:999px;font-weight:800;font-size:12.5px;color:#fff;
  background:linear-gradient(120deg,#DC2626,#F43F5E);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:38px;padding-top:56px}
  .hero-copy{max-width:none}
  .split{grid-template-columns:1fr;gap:32px}
  .split-head{position:static}
  .game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid,.channel-grid,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    padding:14px 20px 20px;
    background:rgba(3,7,18,.97);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.28s;
    max-height:calc(100vh - 76px);overflow-y:auto;
  }
  .main-nav.open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{padding:13px 16px;border-radius:12px;font-size:15px}
  .cta-wrap{grid-template-columns:1fr;gap:28px}
}
@media (max-width:768px){
  :root{--sp:clamp(48px,9vw,72px)}
  .section-head{margin-bottom:32px}
  .feature-grid{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .scene-grid,.channel-grid,.news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-inner,.hero-grid{padding-top:46px}
}
@media (max-width:520px){
  .header-inner{height:66px;gap:10px}
  .brand-mark{width:40px;height:40px;border-radius:12px;font-size:13px}
  .brand-text b{font-size:13px}
  .brand-text span{display:none}
  .btn-ghost{padding:9px 12px;font-size:13px}
  .btn-primary{padding:9px 14px;font-size:13px}
  .game-grid{grid-template-columns:1fr}
  .hero h1{font-size:27px}
  .hero-cta .btn-primary,.hero-cta .btn-outline{width:100%}
  .cta-actions .btn-primary,.cta-actions .btn-outline{width:100%}
  .faq-item summary{font-size:15px;padding:16px 18px}
  .faq-item p{padding:0 18px 18px}
}