/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,23,42,.78);
  --surface-soft:rgba(8,18,41,.58);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563EB;
  --primary-deep:#1d4ed8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22c55e;
  --warn:#f59e0b;
  --down:#f43f5e;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 45px -24px rgba(2,8,23,.95);
  --glow:0 0 22px rgba(56,189,248,.35);
  --sp:clamp(52px,7vw,96px);
  --font:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(720px 420px at 94% 2%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050b1c 46%,#030712 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
h1,h2,h3,h4{margin:0;letter-spacing:-.2px}
p{margin:0}
button{font-family:inherit}
::selection{background:rgba(56,189,248,.35);color:#fff}
.container{max-width:1200px;padding-left:18px;padding-right:18px}
.section{padding:var(--sp) 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,0))}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.section-head{
  display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;
  margin-bottom:36px;
}
.section-head h2{font-size:clamp(22px,3.2vw,33px);font-weight:800;line-height:1.26;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px;max-width:740px}
.text-soft{color:var(--muted)}
.small-note{font-size:13px;color:var(--dim)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:14px;padding:11px 21px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .18s ease,box-shadow .26s ease,background .26s ease,color .26s ease,border-color .26s ease;
}
.btn-neon{
  background:linear-gradient(120deg,var(--primary),var(--cyan));
  color:#04101f;
  box-shadow:0 12px 30px -14px rgba(56,189,248,.95),0 0 20px rgba(56,189,248,.26);
}
.btn-neon:hover{transform:translateY(-2px);color:#04101f;box-shadow:0 16px 38px -14px rgba(56,189,248,1),0 0 30px rgba(56,189,248,.45)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-outline-neon{border-color:rgba(56,189,248,.7);color:var(--cyan);background:rgba(56,189,248,.07)}
.btn-outline-neon:hover{background:rgba(56,189,248,.18);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 27px;font-size:15px}
.btn-sm{padding:8px 16px;font-size:13px}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* Glass card */
.glass-card{
  background:linear-gradient(158deg,rgba(15,23,42,.86),rgba(8,18,41,.6));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.glass-card:hover{
  border-color:var(--line-strong);
  transform:translateY(-4px);
  box-shadow:0 26px 52px -28px rgba(2,8,23,1),0 0 24px -8px rgba(56,189,248,.55);
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{position:relative;display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#031024;font-size:16px;box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.16}
.brand-text small{font-size:10.5px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-link{
  padding:9px 13px;border-radius:11px;font-size:14px;font-weight:600;
  color:var(--muted);border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(180deg,rgba(37,99,235,.4),rgba(56,189,248,.12));
  border-color:var(--line-strong);
  box-shadow:0 0 20px -6px rgba(56,189,248,.7);
}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(15,23,42,.72);border:1px solid var(--line);color:#fff;font-size:15px;
}
.nav-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.32;filter:saturate(1.2) contrast(1.05);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(3,7,18,.78) 44%,rgba(8,18,41,.5) 100%);
}
.hero-inner{position:relative;z-index:2;padding:clamp(56px,8vw,104px) 0 clamp(40px,5vw,60px)}
.hero-copy{max-width:880px}
.hero h1{font-size:clamp(27px,5vw,52px);font-weight:800;line-height:1.16;margin:16px 0 18px}
.hero-lead{font-size:clamp(15px,1.6vw,17.5px);color:#cbd5e1;max-width:790px;margin-bottom:26px}
.badge-hot{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  color:#031024;background:linear-gradient(120deg,var(--cyan),var(--primary));
  box-shadow:0 0 22px rgba(56,189,248,.5);
}
.hero-sticker{
  position:absolute;z-index:3;right:26px;top:30px;
  width:104px;height:104px;border-radius:50%;display:grid;place-items:center;text-align:center;
  background:linear-gradient(140deg,#f43f5e,#f59e0b);
  color:#12020a;font-weight:800;font-size:12.5px;letter-spacing:.6px;line-height:1.25;
  transform:rotate(-12deg);
  box-shadow:0 0 0 6px rgba(3,7,18,.7),0 16px 34px -14px rgba(244,63,94,.9);
  animation:floaty 4.5s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:rotate(-12deg) translateY(0)}50%{transform:rotate(-12deg) translateY(-8px)}}
.countdown{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px}
.countdown .unit{
  min-width:76px;padding:10px 12px;border-radius:14px;text-align:center;
  background:rgba(8,18,41,.8);border:1px solid var(--line);
}
.countdown .num{font-size:22px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums}
.countdown .lbl{font-size:10px;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}
.countdown .cd-text{font-size:13.5px;color:var(--muted);margin-right:6px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-chips{display:flex;flex-wrap:wrap;gap:9px;list-style:none;padding:0;margin:0}
.hero-chips li{
  font-size:12.5px;color:#cbd5e1;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:rgba(15,23,42,.6);
}
.hero-ticker{position:relative;z-index:2;border-top:1px solid var(--line);background:rgba(3,7,18,.66);backdrop-filter:blur(10px)}
.hero-ticker .container{display:flex;flex-wrap:wrap;gap:14px 30px;padding:15px 18px}
.tick{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted)}
.tick b{color:#fff;font-variant-numeric:tabular-nums}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--ok);animation:pulse 1.9s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(34,197,94,.6)}
  70%{box-shadow:0 0 0 12px rgba(34,197,94,0)}
  100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}
}

/* Search */
.search-panel{
  display:grid;grid-template-columns:1.5fr 1fr 1fr auto;gap:12px;
  padding:20px;border-radius:var(--radius-lg);align-items:end;
}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:11.5px;letter-spacing:1.1px;text-transform:uppercase;color:var(--muted);font-weight:600}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:12px;font-size:14.5px;
  background:rgba(3,7,18,.78);border:1px solid var(--line);color:#fff;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.field input::placeholder{color:#5b6b85}
.field input:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.chip-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.chip{
  padding:7px 15px;border-radius:999px;font-size:13px;color:var(--muted);
  border:1px solid var(--line);background:rgba(15,23,42,.6);
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.chip:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.14)}

/* Category cards */
.cat-card{padding:26px;display:flex;flex-direction:column;height:100%}
.cat-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-size:18px;color:var(--cyan);margin-bottom:16px;
  background:linear-gradient(140deg,rgba(37,99,235,.5),rgba(56,189,248,.22));
  border:1px solid var(--line-strong);
}
.cat-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.cat-card p{color:var(--muted);font-size:14.5px;margin-bottom:18px}
.cat-link{margin-top:auto;font-weight:700;font-size:14px;color:var(--cyan);display:inline-flex;align-items:center;gap:8px}
.cat-link i{transition:transform .22s ease}
.cat-card:hover .cat-link i{transform:translateX(4px)}

/* Odds table */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(8,18,41,.62);
}
.odds-table{width:100%;border-collapse:separate;border-spacing:0;font-size:14.5px;min-width:720px}
.odds-table th{
  font-size:11px;letter-spacing:1.1px;text-transform:uppercase;color:var(--muted);
  text-align:left;padding:13px 16px;border-bottom:1px solid var(--line);font-weight:700;
}
.odds-table td{padding:15px 16px;border-bottom:1px solid rgba(56,189,248,.1)}
.odds-table tr:last-child td{border-bottom:none}
.odds-table tbody tr{transition:background .2s ease}
.odds-table tbody tr:hover{background:rgba(56,189,248,.06)}
.odds-table .match{font-weight:700;color:#fff}
.odds-table .val{font-variant-numeric:tabular-nums;font-weight:700}
.odds-table .time{font-size:12.5px;color:var(--dim)}
.up{color:var(--ok)}
.down{color:var(--down)}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.4px;
}
.tag-hot{background:rgba(244,63,94,.16);color:#fb7185;border:1px solid rgba(244,63,94,.35)}
.tag-cool{background:rgba(56,189,248,.14);color:var(--cyan);border:1px solid var(--line-strong)}
.tag-live{background:rgba(34,197,94,.14);color:#4ade80;border:1px solid rgba(34,197,94,.32)}

/* Featured cards */
.feature-card{overflow:hidden;display:flex;flex-direction:column;height:100%}
.feature-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.feature-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.feature-card:hover .feature-thumb img{transform:scale(1.06)}
.feature-thumb .corner{
  position:absolute;left:14px;top:14px;padding:6px 12px;border-radius:9px;
  font-size:11px;font-weight:800;letter-spacing:1px;text-transform:uppercase;
  background:rgba(244,63,94,.92);color:#fff;
}
.feature-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.feature-body h3{font-size:17px;font-weight:700;line-height:1.38}
.feature-body p{font-size:14px;color:var(--muted)}
.feature-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--dim);margin-top:auto}

/* Timeline */
.timeline{position:relative;padding-left:28px}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,0));
}
.tl-item{position:relative;padding-bottom:24px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:7px;width:9px;height:9px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.9);
}
.tl-time{font-size:12px;font-weight:700;letter-spacing:.7px;color:var(--cyan)}
.tl-item h4{font-size:15.5px;font-weight:700;margin:5px 0 4px}
.tl-item p{font-size:14px;color:var(--muted)}

/* Stats */
.stat{
  padding:24px;border-radius:var(--radius);height:100%;
  background:linear-gradient(158deg,rgba(37,99,235,.24),rgba(8,18,41,.72));
  border:1px solid var(--line);
}
.stat .num{font-size:clamp(24px,3vw,34px);font-weight:800;font-variant-numeric:tabular-nums}
.stat .lbl{font-size:13px;color:var(--muted);margin-top:6px}

/* Guide */
.guide-block{
  padding:24px 26px;border-left:3px solid var(--cyan);
  background:rgba(8,18,41,.58);border-radius:0 var(--radius) var(--radius) 0;margin-bottom:18px;
}
.guide-block h3{font-size:18px;font-weight:700;margin-bottom:10px}
.guide-block p{font-size:15px;color:var(--muted)}

/* Post cards */
.post-card{overflow:hidden;display:flex;flex-direction:column;height:100%}
.post-thumb{position:relative;display:block;aspect-ratio:16/10;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:16.5px;font-weight:700;line-height:1.4}
.post-body p{font-size:14px;color:var(--muted)}
.post-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--dim);margin-top:auto}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed var(--line-strong);
  color:var(--muted);font-size:14.5px;background:rgba(8,18,41,.5);
}

/* News list */
.news-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid rgba(56,189,248,.12)}
.news-item:last-child{border-bottom:none}
.news-thumb{width:112px;height:78px;flex:0 0 112px;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-item h3{font-size:15.5px;font-weight:700;line-height:1.4;margin-bottom:6px}
.news-item p{font-size:13.5px;color:var(--muted)}
.news-meta{font-size:12px;color:var(--dim);margin-top:6px}
.side-panel{padding:24px;border-radius:var(--radius)}
.side-panel h3{font-size:16.5px;font-weight:700;margin-bottom:14px}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.16);font-size:14px;color:var(--muted)}
.side-list li:last-child{border-bottom:none}

/* Rank */
.rank-row{
  display:flex;align-items:center;gap:16px;padding:16px 18px;margin-bottom:12px;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(8,18,41,.58);
  transition:border-color .22s ease,transform .22s ease;
}
.rank-row:hover{border-color:var(--line-strong);transform:translateX(4px)}
.rank-no{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#04101f;
  background:linear-gradient(140deg,var(--primary),var(--cyan));
}
.rank-row h4{font-size:15.5px;font-weight:700;margin-bottom:3px}
.rank-row p{font-size:13.5px;color:var(--muted)}
.rank-value{margin-left:auto;text-align:right;font-size:13px;color:var(--muted);flex-shrink:0}
.rank-value b{display:block;font-size:17px;color:#fff;font-variant-numeric:tabular-nums}

/* Resource */
.res-card{padding:22px;height:100%;display:flex;flex-direction:column;gap:10px}
.res-card i{font-size:19px;color:var(--cyan)}
.res-card h3{font-size:16.5px;font-weight:700}
.res-card p{font-size:14px;color:var(--muted)}

/* Testimonials */
.quote{padding:24px;height:100%;display:flex;flex-direction:column;gap:14px}
.quote p{font-size:14.5px;color:#cbd5e1}
.quote .who{font-size:13px;color:var(--muted);margin-top:auto}
.quote .who b{color:#fff;display:block;font-size:14px}
.stars{color:#facc15;font-size:12.5px;letter-spacing:2px}

/* Comparison table */
.cmp-table{width:100%;border-collapse:separate;border-spacing:0;min-width:640px;font-size:14.5px}
.cmp-table th,.cmp-table td{padding:15px 18px;border-bottom:1px solid rgba(56,189,248,.12);text-align:left}
.cmp-table thead th{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:var(--muted)}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table .ours{color:var(--cyan);font-weight:700}
.cmp-table i{font-size:13px}

/* FAQ */
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(8,18,41,.58);
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;font-size:15.5px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--cyan);font-size:20px;font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 20px 18px;font-size:14.5px;color:var(--muted)}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);padding:clamp(30px,4.5vw,54px);
}
.cta-band .cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.cta-band .cta-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(3,7,18,.95),rgba(8,18,41,.72))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center}
.cta-inner h2{font-size:clamp(21px,3vw,31px);font-weight:800;margin-bottom:12px;line-height:1.28}
.cta-inner p{color:#cbd5e1;font-size:15px;margin-bottom:20px}
.pay-badges{display:flex;flex-wrap:wrap;gap:9px}
.pay-badge{
  padding:7px 13px;border-radius:10px;font-size:12.5px;font-weight:600;color:#cbd5e1;
  border:1px solid var(--line);background:rgba(15,23,42,.66);
}

/* Footer */
.site-footer{margin-top:12px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.86),rgba(3,7,18,1))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:34px;padding:clamp(44px,5vw,68px) 0 32px}
.footer-grid h4{font-size:12.5px;letter-spacing:1.3px;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer-grid a{display:block;color:var(--muted);font-size:14px;padding:5px 0}
.footer-grid a:hover{color:var(--cyan)}
.footer-about p{color:var(--muted);font-size:14px;margin-top:14px;max-width:420px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--dim);
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;padding:12px 19px;min-height:56px;
  border-radius:999px;font-size:13.5px;font-weight:700;color:#e2e8f0;
  border:2px solid transparent;
  background:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)) padding-box,
             linear-gradient(120deg,#38BDF8,#2563EB,#a855f7) border-box;
  backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:opacity .25s ease,transform .22s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);color:#fff;box-shadow:0 0 30px rgba(6,182,212,.7)}
.fab:active{transform:scale(.95)}
.fab i{font-size:16px;color:var(--cyan);animation:flicker 3.2s infinite}
@keyframes flicker{0%,92%,100%{opacity:1}94%{opacity:.45}96%{opacity:1}98%{opacity:.6}}
.fab .fab-dot{
  position:absolute;right:8px;top:6px;width:9px;height:9px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 0 0 rgba(244,63,94,.7);animation:pulse 1.6s infinite;
}

@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .search-panel{grid-template-columns:1fr 1fr}
  .search-panel .field-submit{grid-column:1 / -1}
  .search-panel .field-submit .btn{width:100%}
  .cta-inner{grid-template-columns:1fr}
  .hero-sticker{width:88px;height:88px;font-size:11px;right:16px;top:20px}
}
@media (max-width:991.98px){
  .nav-toggle{display:grid;place-items:center}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:14px 18px 20px;display:none;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -24px rgba(0,0,0,.9);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .header-actions .btn{padding:8px 13px;font-size:12.5px}
  .brand-text{font-size:13.5px}
  .brand-text small{font-size:9.5px}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .section-head{margin-bottom:26px}
  .hero-inner{padding:46px 0 40px}
  .hero-sticker{display:none}
  .stat{padding:20px}
  .guide-block{padding:20px}
  .news-thumb{width:92px;height:68px;flex:0 0 92px}
  .rank-row{flex-wrap:wrap;gap:12px}
  .rank-value{margin-left:52px;text-align:left}
}
@media (max-width:520px){
  .search-panel{grid-template-columns:1fr;padding:16px}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .brand-text small{display:none}
  .header-actions .btn-ghost{display:inline-flex}
  .hero-cta .btn{width:100%}
  .countdown .unit{min-width:66px;padding:8px 10px}
  .countdown .num{font-size:19px}
  .fab{padding:11px 15px;font-size:12.5px;bottom:88px}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,23,42,.78);
  --surface-soft:rgba(8,18,41,.58);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563EB;
  --primary-deep:#1d4ed8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22c55e;
  --warn:#f59e0b;
  --down:#f43f5e;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 45px -24px rgba(2,8,23,.95);
  --glow:0 0 22px rgba(56,189,248,.35);
  --sp:clamp(52px,7vw,96px);
  --font:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
}
html{scroll-behavior:smooth}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(720px 420px at 94% 2%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050b1c 46%,#030712 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
button{font-family:inherit}
p{margin:0 0 14px}
h1,h2,h3,h4,h5{margin:0 0 12px;line-height:1.28;font-weight:800;color:var(--text)}
ul{margin:0 0 14px;padding-left:20px}
li{margin-bottom:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:18px;padding-right:18px}
.section{padding:var(--sp) 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,0))}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.section-head{
  display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;
  margin-bottom:36px;
}
.section-head h2{font-size:clamp(22px,3.2vw,33px);font-weight:800;line-height:1.26;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px;max-width:740px;margin:0}
.text-soft{color:var(--muted)}
/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:14px;padding:11px 21px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .18s ease,box-shadow .26s ease,background .26s ease,color .26s ease,border-color .26s ease;
}
.btn-neon{
  background:linear-gradient(120deg,var(--primary),var(--cyan));
  color:#04101f;
  box-shadow:0 12px 30px -14px rgba(56,189,248,.95),0 0 20px rgba(56,189,248,.26);
}
.btn-neon:hover{transform:translateY(-2px);color:#04101f;box-shadow:0 16px 38px -14px rgba(56,189,248,1),0 0 30px rgba(56,189,248,.45)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-outline-neon{border-color:rgba(56,189,248,.7);color:var(--cyan);background:rgba(56,189,248,.07)}
.btn-outline-neon:hover{background:rgba(56,189,248,.18);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 27px;font-size:15px}
.btn-sm{padding:8px 16px;font-size:13px}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
/* Glass card */
.glass-card{
  background:linear-gradient(158deg,rgba(15,23,42,.86),rgba(8,18,41,.6));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.glass-card:hover{
  border-color:var(--line-strong);
  transform:translateY(-4px);
  box-shadow:0 26px 52px -28px rgba(2,8,23,1),0 0 24px -8px rgba(56,189,248,.55);
}
/* Header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{position:relative;display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#031024;font-size:16px;box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.16}
.brand-text small{font-size:10.5px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-link{
  padding:9px 13px;border-radius:11px;font-size:14px;font-weight:600;
  color:var(--muted);border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(180deg,rgba(37,99,235,.4),rgba(56,189,248,.12));
  border-color:var(--line-strong);
  box-shadow:0 0 20px -6px rgba(56,189,248,.7);
}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(15,23,42,.72);border:1px solid var(--line);color:#fff;font-size:15px;
}
.nav-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
/* Article hero */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.article-hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/880f0e21c873645e.jpg');
  background-size:cover;background-position:center;opacity:.34;filter:saturate(1.15) contrast(1.05);
}
.article-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(3,7,18,.97) 4%,rgba(3,7,18,.8) 46%,rgba(8,18,41,.52) 100%);
}
.article-hero-inner{position:relative;z-index:2;padding:clamp(46px,6vw,84px) 0 clamp(34px,4vw,52px)}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12.5px;color:var(--muted);margin-bottom:16px;
}
.breadcrumb-line i{font-size:9px;color:var(--dim)}
.breadcrumb-line a{color:var(--muted)}
.breadcrumb-line a:hover{color:var(--cyan)}
.breadcrumb-line .current{color:var(--cyan);font-weight:600}
.article-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  color:#04101f;background:linear-gradient(120deg,var(--cyan),var(--primary));
  box-shadow:0 0 22px -6px rgba(56,189,248,.8);
}
.article-title{
  font-size:clamp(25px,4.3vw,45px);font-weight:800;line-height:1.2;
  margin:18px 0 16px;max-width:960px;
}
.article-lead{
  font-size:clamp(15px,1.6vw,17px);color:#cbd5e1;max-width:830px;margin:0 0 22px;line-height:1.7;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
}
.meta-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--muted);font-weight:600;
  padding:7px 14px;border-radius:999px;
  background:rgba(15,23,42,.66);border:1px solid var(--line);
}
.meta-item i{color:var(--cyan);font-size:12px}
/* Article layout */
.article-wrap{padding:clamp(40px,5vw,72px) 0}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:34px;align-items:start}
.article-main{min-width:0}
.article-body{
  background:linear-gradient(160deg,rgba(15,23,42,.82),rgba(8,18,41,.55));
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:clamp(22px,3.4vw,44px);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
}
.article-body h2{
  font-size:clamp(20px,2.4vw,27px);margin:34px 0 14px;padding-left:14px;
  border-left:3px solid var(--cyan);line-height:1.32;
}
.article-body h3{font-size:clamp(17px,1.9vw,21px);margin:26px 0 12px;color:#e2e8f0}
.article-body p{color:#cbd5e1;line-height:1.7;font-size:15.6px}
.article-body ul,.article-body ol{color:#cbd5e1;font-size:15.4px;line-height:1.7}
.article-body li::marker{color:var(--cyan)}
.article-body strong{color:#fff}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-radius:var(--radius);
  background:rgba(37,99,235,.14);border-left:3px solid var(--primary);
  color:#dbeafe;font-size:15.6px;
}
.article-body img{border-radius:var(--radius);margin:22px 0;border:1px solid var(--line)}
.article-body a{color:var(--cyan);border-bottom:1px dashed rgba(56,189,248,.55)}
.article-body a:hover{color:#fff}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.6px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.article-body th{background:rgba(37,99,235,.2);color:#fff;font-weight:700}
.article-body td{color:#cbd5e1}
.article-body>*:first-child{margin-top:0}
.empty-state{text-align:left;padding:8px 0}
.empty-state h2{margin-top:0;padding-left:0;border-left:0;font-size:clamp(20px,2.4vw,26px)}
.empty-state p{color:var(--muted)}
/* Aside */
.article-aside{position:sticky;top:96px;display:grid;gap:18px}
.aside-card{
  background:linear-gradient(158deg,rgba(15,23,42,.88),rgba(8,18,41,.6));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);
}
.aside-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.aside-card h3 i{color:var(--cyan);font-size:14px}
.aside-list{list-style:none;padding:0;margin:0 0 16px}
.aside-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);
  padding:10px 0;border-bottom:1px dashed rgba(56,189,248,.16);
}
.aside-list li:last-child{border-bottom:0}
.aside-list i{color:var(--ok);font-size:12px;margin-top:5px}
.aside-note{font-size:12.8px;color:var(--dim);margin:0 0 16px;line-height:1.6}
.aside-metric{display:flex;justify-content:space-between;font-size:13.4px;color:var(--muted);padding:9px 0;border-bottom:1px dashed rgba(56,189,248,.14)}
.aside-metric:last-of-type{border-bottom:0}
.aside-metric b{color:#fff;font-weight:700}
.aside-metric .up{color:var(--down)}
.aside-metric .ok{color:var(--ok)}
/* Pull quote */
.pullquote-section{padding:0 0 var(--sp)}
.pullquote{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(8,18,41,.86) 62%);
  padding:clamp(26px,4vw,48px);
  box-shadow:0 26px 60px -34px rgba(37,99,235,.9);
}
.pullquote::before{
  content:"\201C";position:absolute;top:-18px;right:24px;
  font-size:130px;line-height:1;color:rgba(56,189,248,.18);font-weight:800;
}
.pullquote p{
  position:relative;font-size:clamp(17px,2.2vw,25px);font-weight:700;line-height:1.5;
  color:#eaf4ff;margin:0;max-width:940px;
}
.pullquote span{display:block;margin-top:14px;font-size:12.6px;letter-spacing:1.2px;text-transform:uppercase;color:var(--cyan);font-weight:700}
/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat-card{
  background:linear-gradient(158deg,rgba(15,23,42,.86),rgba(8,18,41,.58));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.stat-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 26px -8px rgba(56,189,248,.6)}
.stat-value{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.1;color:#fff;margin-bottom:8px}
.stat-value em{font-style:normal;font-size:15px;font-weight:700;color:var(--cyan);margin-left:4px}
.stat-label{font-size:13.6px;color:var(--muted);margin:0;line-height:1.55}
/* Steps */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.step{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px;border-radius:var(--radius);
  background:rgba(8,18,41,.55);border:1px solid var(--line);
  transition:border-color .24s ease,background .24s ease;
}
.step:hover{border-color:var(--line-strong);background:rgba(15,23,42,.78)}
.step-no{
  flex:0 0 auto;width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#04101f;
  background:linear-gradient(135deg,var(--cyan),var(--primary));
  box-shadow:0 0 18px -4px rgba(56,189,248,.75);
}
.step h3{font-size:16.5px;margin-bottom:7px}
.step p{font-size:14.4px;color:var(--muted);margin:0;line-height:1.62}
/* FAQ */
.faq .accordion-item{
  background:rgba(8,18,41,.6);border:1px solid var(--line);
  border-radius:var(--radius)!important;margin-bottom:14px;overflow:hidden;
}
.faq .accordion-button{
  background:transparent;color:var(--text);font-weight:700;font-size:15.6px;
  padding:19px 22px;box-shadow:none;border:0;
}
.faq .accordion-button:not(.collapsed){
  background:linear-gradient(120deg,rgba(37,99,235,.32),rgba(56,189,248,.1));
  color:#fff;box-shadow:none;
}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--line-strong);outline-offset:-2px}
.faq .accordion-button::after{
  filter:invert(78%) sepia(38%) saturate(1600%) hue-rotate(165deg) brightness(103%);
}
.faq .accordion-body{color:var(--muted);font-size:14.8px;line-height:1.68;padding:6px 22px 20px;border-top:1px solid var(--line)}
/* Related */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.related-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
  background:linear-gradient(158deg,rgba(15,23,42,.86),rgba(8,18,41,.58));
  border:1px solid var(--line);transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.related-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 24px 50px -30px rgba(56,189,248,.9)}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.related-card:hover .related-thumb img{transform:scale(1.06)}
.related-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.72))}
.related-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  font-size:10.5px;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;color:#04101f;
  background:linear-gradient(120deg,var(--cyan),var(--primary));
}
.related-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:16.4px;margin:0;line-height:1.4}
.related-body p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.6}
.related-more{margin-top:6px;font-size:13px;font-weight:700;color:var(--cyan)}
.related-foot{display:flex;justify-content:flex-start;margin-top:26px}
/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(118deg,rgba(37,99,235,.42),rgba(8,18,41,.9) 58%,rgba(56,189,248,.24));
  padding:clamp(28px,4.4vw,52px);
  box-shadow:0 30px 70px -40px rgba(37,99,235,1);
}
.cta-band h2{font-size:clamp(21px,3vw,31px);max-width:760px}
.cta-band p{color:#cbd5e1;max-width:720px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* FAB */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(135deg,var(--cyan),var(--primary));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:19px;opacity:.8;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:transform .24s ease,opacity .24s ease,box-shadow .24s ease,color .24s ease;
  animation:fabPulse 2.8s ease-in-out infinite;
}
.fab-support:hover{opacity:1;transform:scale(1.1);color:#fff;box-shadow:0 0 30px rgba(6,182,212,.75)}
.fab-support:active{transform:scale(.95)}
.fab-support i{transition:transform .5s ease}
.fab-support:hover i{transform:rotate(360deg)}
.fab-support .fab-dot{
  position:absolute;top:-2px;right:-2px;width:13px;height:13px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.4)}
  50%{box-shadow:0 0 30px rgba(6,182,212,.72)}
}
/* Footer */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(8,18,41,.9));
  padding:clamp(44px,5vw,70px) 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:34px}
.footer-grid h4{font-size:14px;letter-spacing:.6px;text-transform:uppercase;color:#e2e8f0;margin-bottom:16px}
.footer-grid a{display:block;font-size:14px;color:var(--muted);margin-bottom:10px}
.footer-grid a:hover{color:var(--cyan);transform:translateX(2px)}
.footer-about p{font-size:13.8px;color:var(--muted);max-width:400px;margin-top:14px;line-height:1.68}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px}
.pay-badge{
  font-size:11.5px;font-weight:700;letter-spacing:.4px;
  padding:6px 12px;border-radius:999px;color:#dbeafe;
  background:rgba(37,99,235,.22);border:1px solid var(--line);
}
.small-note{font-size:12.4px;color:var(--dim);line-height:1.6;margin:0}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding-top:20px;border-top:1px solid var(--line);
  font-size:12.4px;color:var(--dim);
}
/* Responsive */
@media (max-width:1080px){
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .article-aside{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:992px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 18px;margin:0;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .header-actions .btn-ghost{display:none}
  .steps{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:768px){
  body{font-size:15.4px}
  .article-aside{grid-template-columns:minmax(0,1fr)}
  .stats-grid{grid-template-columns:minmax(0,1fr)}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .cta-actions .btn{width:100%}
  .article-body{padding:22px 18px}
}
@media (max-width:520px){
  .brand-text{font-size:13.6px}
  .brand-text small{font-size:9.6px}
  .article-title{font-size:24px}
  .meta-item{font-size:11.8px;padding:6px 11px}
  .section{padding:44px 0}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,23,42,.78);
  --surface-soft:rgba(8,18,41,.58);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563EB;
  --primary-deep:#1d4ed8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22c55e;
  --warn:#f59e0b;
  --down:#f43f5e;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 45px -24px rgba(2,8,23,.95);
  --glow:0 0 22px rgba(56,189,248,.35);
  --sp:clamp(52px,7vw,96px);
  --font:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(720px 420px at 94% 2%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050b1c 46%,#030712 100%);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0 0 12px;font-weight:800;line-height:1.24}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:18px;padding-right:18px}
.section{padding:var(--sp) 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,0))}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.eyebrow i{font-size:12px}
.section-head{
  display:flex;flex-wrap:wrap;gap:18px 32px;align-items:flex-end;justify-content:space-between;
  margin-bottom:34px;
}
.section-head h2{font-size:clamp(22px,3.2vw,33px);margin-bottom:10px;max-width:760px}
.section-head p{color:var(--muted);font-size:15px;max-width:620px;margin:0}
.text-soft{color:var(--muted)}
.lead-left{max-width:820px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:14px;padding:11px 21px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;line-height:1.2;text-align:center;
  transition:transform .18s ease,box-shadow .26s ease,background .26s ease,color .26s ease,border-color .26s ease;
}
.btn-neon{
  background:linear-gradient(120deg,var(--primary),var(--cyan));
  color:#04101f;
  box-shadow:0 12px 30px -14px rgba(56,189,248,.95),0 0 20px rgba(56,189,248,.26);
}
.btn-neon:hover{transform:translateY(-2px);color:#04101f;box-shadow:0 16px 38px -14px rgba(56,189,248,1),0 0 30px rgba(56,189,248,.45)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-outline-neon{border-color:rgba(56,189,248,.7);color:var(--cyan);background:rgba(56,189,248,.07)}
.btn-outline-neon:hover{background:rgba(56,189,248,.18);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 27px;font-size:15px}
.btn-sm{padding:8px 16px;font-size:13px}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* Glass card */
.glass-card{
  background:linear-gradient(158deg,rgba(15,23,42,.86),rgba(8,18,41,.6));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.glass-card:hover{
  border-color:var(--line-strong);
  transform:translateY(-4px);
  box-shadow:0 26px 52px -28px rgba(2,8,23,1),0 0 24px -8px rgba(56,189,248,.55);
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{position:relative;display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#031024;font-size:16px;box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.16}
.brand-text small{font-size:10.5px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-link{
  display:inline-block;padding:9px 13px;border-radius:11px;font-size:14px;font-weight:600;
  color:var(--muted);border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(180deg,rgba(37,99,235,.4),rgba(56,189,248,.12));
  border-color:var(--line-strong);
  box-shadow:0 0 20px -6px rgba(56,189,248,.7);
}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(15,23,42,.72);border:1px solid var(--line);color:#fff;font-size:15px;
}
.nav-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.30;filter:saturate(1.2) contrast(1.05);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(3,7,18,.80) 46%,rgba(8,18,41,.52) 100%);
}
.hero-inner{position:relative;z-index:2;padding:clamp(46px,7vw,92px) 0 clamp(38px,5vw,64px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.32fr) minmax(0,1fr);gap:38px;align-items:start}
.hero h1{font-size:clamp(27px,4.6vw,50px);font-weight:800;line-height:1.16;margin:14px 0 18px}
.hero-lead{font-size:clamp(15px,1.6vw,17.5px);color:#cbd5e1;max-width:720px;margin-bottom:26px}
.badge-hot{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  color:#031024;background:linear-gradient(120deg,var(--cyan),var(--holo));
  box-shadow:0 0 22px -6px rgba(56,189,248,.8);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{
  flex:1 1 150px;min-width:140px;
  background:var(--surface-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:13px 15px;
}
.stat-chip strong{display:block;font-size:19px;font-weight:800;color:#fff;line-height:1.2}
.stat-chip span{font-size:12.5px;color:var(--muted)}

/* Hero data panel */
.hero-panel{padding:20px;border-radius:var(--radius-lg)}
.panel-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}
.panel-top h3{font-size:16px;margin:0 0 4px}
.panel-top span{font-size:12px;color:var(--dim);display:block}
.live-dot{
  display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;
  color:#bbf7d0;letter-spacing:.6px;text-transform:uppercase;
}
.live-dot i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}
.panel-list{display:flex;flex-direction:column;gap:2px}
.panel-row{
  display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center;
  padding:11px 4px;border-bottom:1px dashed rgba(148,163,184,.16);
}
.panel-row:last-child{border-bottom:0}
.panel-row b{display:block;font-size:13.5px;font-weight:600}
.panel-row em{font-style:normal;font-size:11.5px;color:var(--dim)}
.delta{font-size:13px;font-weight:800;white-space:nowrap}
.delta.up{color:#4ade80}
.delta.down{color:#fb7185}
.delta small{display:block;font-size:10.5px;font-weight:600;color:var(--dim);text-align:right}

/* Table */
.table-shell{
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(158deg,rgba(15,23,42,.86),rgba(8,18,41,.58));
  box-shadow:var(--shadow);overflow-x:auto;
}
table.odds{width:100%;border-collapse:collapse;min-width:760px}
table.odds th,table.odds td{padding:14px 16px;text-align:left;font-size:14px;border-bottom:1px solid rgba(148,163,184,.12)}
table.odds thead th{
  font-size:11.5px;text-transform:uppercase;letter-spacing:1px;color:var(--cyan);
  background:rgba(8,18,41,.7);font-weight:700;white-space:nowrap;
}
table.odds tbody tr:hover{background:rgba(56,189,248,.06)}
table.odds td.match{font-weight:600;color:#fff}
table.odds td.num{font-variant-numeric:tabular-nums;color:#e2e8f0}
.tag{
  display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:999px;
  font-size:11.5px;font-weight:700;border:1px solid transparent;white-space:nowrap;
}
.tag-up{color:#86efac;background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.35)}
.tag-down{color:#fda4af;background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.35)}
.tag-flat{color:#bae6fd;background:rgba(56,189,248,.1);border-color:rgba(56,189,248,.32)}
.table-note{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:16px;font-size:12.5px;color:var(--dim)}
.table-note span{display:inline-flex;align-items:center;gap:7px}

/* Value split */
.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.15fr);gap:40px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:280px}
.media-tag{
  position:absolute;left:16px;bottom:16px;padding:9px 14px;border-radius:12px;
  background:rgba(3,7,18,.82);border:1px solid var(--line-strong);font-size:12.5px;font-weight:600;backdrop-filter:blur(8px);
}
.value-list{display:flex;flex-direction:column;gap:20px}
.value-item{display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:start}
.value-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(37,99,235,.16);border:1px solid var(--line-strong);color:var(--cyan);font-size:16px;
}
.value-item h3{font-size:16.5px;margin:0 0 6px}
.value-item p{margin:0;font-size:14.5px;color:var(--muted)}

/* Market list */
.market-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
.market-item{
  display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:start;
  padding:18px 0;border-bottom:1px solid rgba(148,163,184,.14);
}
.market-item .idx{
  font-size:13px;font-weight:800;color:var(--cyan);letter-spacing:1px;
  padding-top:3px;font-variant-numeric:tabular-nums;
}
.market-item h3{font-size:15.5px;margin:0 0 4px}
.market-item p{margin:0;font-size:13.5px;color:var(--muted)}

/* Meters + spec */
.data-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:start}
.meter{margin-bottom:22px}
.meter-head{display:flex;justify-content:space-between;gap:14px;font-size:14px;margin-bottom:8px}
.meter-head span{color:var(--muted)}
.meter-head strong{color:#fff;font-weight:700}
.meter-bar{height:8px;border-radius:999px;background:rgba(148,163,184,.16);overflow:hidden}
.meter-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan));box-shadow:0 0 14px rgba(56,189,248,.55)}
.spec-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface-soft)}
.spec-list div{display:flex;justify-content:space-between;gap:16px;padding:14px 18px;border-bottom:1px solid rgba(148,163,184,.12);font-size:14px}
.spec-list div:last-child{border-bottom:0}
.spec-list span{color:var(--muted)}
.spec-list b{color:#fff;font-weight:700;text-align:right}

/* Scenarios */
.scenario{
  display:grid;grid-template-columns:110px minmax(0,1fr);gap:26px;align-items:start;
  padding:26px 0;border-top:1px solid rgba(148,163,184,.16);
}
.scenario:first-of-type{border-top:0;padding-top:0}
.scenario .mark{
  font-size:13px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--cyan);
}
.scenario h3{font-size:18px;margin:0 0 8px}
.scenario p{margin:0 0 12px;font-size:14.5px;color:var(--muted);max-width:820px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
  background:rgba(37,99,235,.14);border:1px solid var(--line);color:#dbeafe;
}

/* Timeline */
.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.tl-item{
  padding:22px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(158deg,rgba(15,23,42,.8),rgba(8,18,41,.5));
  transition:border-color .26s ease,transform .26s ease;
}
.tl-item:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.tl-time{font-size:12px;font-weight:800;letter-spacing:1.2px;color:var(--cyan);text-transform:uppercase}
.tl-item h3{font-size:16px;margin:10px 0 8px}
.tl-item p{margin:0;font-size:14px;color:var(--muted)}

/* Quotes */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.quote{
  padding:24px;border-left:3px solid var(--line-strong);background:var(--surface-soft);
  border-radius:0 var(--radius) var(--radius) 0;
}
.quote p{font-size:14.5px;color:#e2e8f0;margin-bottom:16px}
.quote footer{font-size:13px;color:var(--muted)}
.quote footer b{display:block;color:#fff;font-size:13.5px}
.stars{color:var(--warn);font-size:12.5px;letter-spacing:2px;margin-bottom:10px}

/* FAQ */
.faq-list{max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;
  background:linear-gradient(158deg,rgba(15,23,42,.78),rgba(8,18,41,.5));
  overflow:hidden;transition:border-color .24s ease;
}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 52px 17px 20px;position:relative;
  font-weight:700;font-size:15px;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--cyan);font-size:12px;transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-item .answer{padding:0 20px 18px;color:var(--muted);font-size:14.5px}
.faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}

/* CTA band */
.cta-band{
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:30px;align-items:center;
  padding:clamp(28px,4vw,44px);border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(600px 240px at 8% 0%, rgba(37,99,235,.34), transparent 62%),
    linear-gradient(158deg,rgba(15,23,42,.92),rgba(8,18,41,.66));
  box-shadow:0 30px 60px -34px rgba(2,8,23,1),0 0 30px -14px rgba(56,189,248,.5);
}
.cta-band h2{font-size:clamp(21px,2.8vw,30px);margin-bottom:12px}
.cta-band p{color:var(--muted);margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:16px;font-size:13px;color:var(--muted)}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points i{color:var(--cyan)}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(3,7,18,.98));padding:clamp(40px,5vw,62px) 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:34px}
.footer-about p{color:var(--muted);font-size:13.8px;margin:16px 0 0;max-width:420px}
.site-footer h4{font-size:13px;text-transform:uppercase;letter-spacing:1.2px;color:var(--cyan);margin-bottom:16px}
.site-footer .footer-grid > div > a{display:block;font-size:14px;color:var(--muted);padding:5px 0}
.site-footer .footer-grid > div > a:hover{color:#fff}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px}
.pay-badge{
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:10px;
  border:1px solid var(--line);background:rgba(15,23,42,.7);color:#dbeafe;
}
.small-note{font-size:12.5px;color:var(--dim);margin:0}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--dim);
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),
    linear-gradient(120deg,var(--cyan),var(--primary));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e2f4ff;font-size:13px;font-weight:700;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.82;transition:opacity .24s ease,transform .24s ease,box-shadow .24s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab i{font-size:15px;color:var(--cyan)}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);color:#fff;box-shadow:0 0 34px rgba(56,189,248,.7)}
.fab:active{transform:translateY(1px) scale(.97)}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:10px;height:10px;border-radius:50%;
  background:#22d3ee;box-shadow:0 0 12px #22d3ee;animation:pulse 1.4s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.4)}50%{box-shadow:0 0 30px rgba(56,189,248,.72)}}

/* Responsive */
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.97);border:1px solid var(--line);
    border-radius:var(--radius);padding:14px;margin-left:0;
    box-shadow:var(--shadow);display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:11px 14px}
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .header-actions{margin-left:0}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .split,.data-grid{grid-template-columns:1fr;gap:28px}
  .timeline,.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .header-inner{min-height:66px;gap:10px}
  .brand-text{font-size:13.5px}
  .brand-text small{font-size:9.5px}
  .header-actions .btn{padding:9px 14px;font-size:12.5px}
  .market-grid{grid-template-columns:1fr}
  .timeline,.quote-grid{grid-template-columns:1fr}
  .scenario{grid-template-columns:1fr;gap:10px}
  .stat-chip{flex:1 1 46%}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding-left:14px;padding-right:14px}
  .hero-cta .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .stat-chip{flex:1 1 100%}
  .value-item{grid-template-columns:36px 1fr;gap:12px}
  .value-icon{width:36px;height:36px;font-size:14px}
  .fab{padding:10px 14px;font-size:12px;bottom:82px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,23,42,.78);
  --surface-soft:rgba(8,18,41,.58);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563EB;
  --primary-deep:#1d4ed8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22c55e;
  --warn:#f59e0b;
  --down:#f43f5e;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 45px -24px rgba(2,8,23,.95);
  --glow:0 0 22px rgba(56,189,248,.35);
  --sp:clamp(52px,7vw,96px);
  --font:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(720px 420px at 94% 2%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050b1c 46%,#030712 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
button{font-family:inherit}
h1,h2,h3,h4{letter-spacing:-.2px}
.container{max-width:1200px;padding-left:18px;padding-right:18px}
.section{padding:var(--sp) 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,0))}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.section-head{
  display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;
  margin-bottom:36px;
}
.section-head h2{font-size:clamp(22px,3.2vw,33px);font-weight:800;line-height:1.26;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px;max-width:760px;margin:0}
.text-soft{color:var(--muted)}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:14px;padding:11px 21px;border-radius:999px;
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .18s ease,box-shadow .26s ease,background .26s ease,color .26s ease,border-color .26s ease;
}
.btn-neon{
  background:linear-gradient(120deg,var(--primary),var(--cyan));
  color:#04101f;
  box-shadow:0 12px 30px -14px rgba(56,189,248,.95),0 0 20px rgba(56,189,248,.26);
}
.btn-neon:hover{transform:translateY(-2px);color:#04101f;box-shadow:0 16px 38px -14px rgba(56,189,248,1),0 0 30px rgba(56,189,248,.45)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-outline-neon{border-color:rgba(56,189,248,.7);color:var(--cyan);background:rgba(56,189,248,.07)}
.btn-outline-neon:hover{background:rgba(56,189,248,.18);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 27px;font-size:15px}
.btn-sm{padding:8px 16px;font-size:13px}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* Glass card */
.glass-card{
  background:linear-gradient(158deg,rgba(15,23,42,.86),rgba(8,18,41,.6));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.glass-card:hover{
  border-color:var(--line-strong);
  transform:translateY(-4px);
  box-shadow:0 26px 52px -28px rgba(2,8,23,1),0 0 24px -8px rgba(56,189,248,.55);
}

/* Header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{position:relative;display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  color:#031024;font-size:16px;box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.16}
.brand-text small{font-size:10.5px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-link{
  padding:9px 13px;border-radius:11px;font-size:14px;font-weight:600;
  color:var(--muted);border:1px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-link.active{
  color:#fff;
  background:linear-gradient(180deg,rgba(37,99,235,.4),rgba(56,189,248,.12));
  border-color:var(--line-strong);
  box-shadow:0 0 20px -6px rgba(56,189,248,.7);
}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(15,23,42,.72);border:1px solid var(--line);color:#fff;font-size:15px;
}
.nav-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.32;filter:saturate(1.2) contrast(1.05);
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(3,7,18,.8) 46%,rgba(8,18,41,.52) 100%);
}
.hero-inner{position:relative;z-index:2;padding:clamp(50px,7vw,92px) 0 clamp(42px,5vw,64px)}
.hero-copy{max-width:820px}
.hero h1{font-size:clamp(27px,4.4vw,48px);font-weight:800;line-height:1.16;margin:16px 0 18px}
.hero-lead{font-size:clamp(15px,1.6vw,17px);color:#cbd5e1;max-width:760px;margin-bottom:26px}
.badge-hot{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  color:#031024;background:linear-gradient(120deg,var(--cyan),var(--holo));
  box-shadow:0 0 20px -4px rgba(56,189,248,.8);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.hero-meta span{
  font-size:12.5px;font-weight:600;color:var(--muted);
  padding:7px 14px;border-radius:999px;border:1px solid var(--line);
  background:rgba(8,18,41,.6);
}
.hero-meta span i{color:var(--cyan);margin-right:6px}

/* Hero panel */
.panel-card{padding:22px;border-radius:var(--radius-lg)}
.panel-title{
  display:flex;align-items:center;gap:10px;font-size:13px;font-weight:800;
  letter-spacing:1.1px;text-transform:uppercase;color:var(--cyan);margin-bottom:16px;
}
.panel-row{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-bottom:1px dashed rgba(56,189,248,.16);
}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-row .panel-idx{
  flex-shrink:0;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:var(--cyan);
  background:rgba(56,189,248,.12);border:1px solid var(--line);
}
.panel-row strong{display:block;font-size:14px;font-weight:700;margin-bottom:3px}
.panel-row span{font-size:13px;color:var(--muted);line-height:1.5}

/* Value grid */
.value-card{padding:26px 24px;border-radius:var(--radius);height:100%}
.value-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.14));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:18px;margin-bottom:16px;
}
.value-card h3{font-size:17px;font-weight:800;margin-bottom:9px;line-height:1.35}
.value-card p{font-size:14.5px;color:var(--muted);margin:0}

/* Split */
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative;box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;min-height:300px}
.split-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  padding:8px 14px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(3,7,18,.82);border:1px solid var(--line-strong);color:var(--cyan);
}
.pillar-list{list-style:none;margin:0;padding:0}
.pillar-item{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid rgba(56,189,248,.14);
}
.pillar-item:first-child{padding-top:0}
.pillar-item:last-child{border-bottom:0;padding-bottom:0}
.pillar-num{
  flex-shrink:0;font-size:13px;font-weight:800;color:var(--cyan);
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:rgba(8,18,41,.8);border:1px solid var(--line-strong);
}
.pillar-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.pillar-item p{font-size:14.5px;color:var(--muted);margin:0}

/* Scenario */
.scenario-card{overflow:hidden;border-radius:var(--radius);height:100%;display:flex;flex-direction:column}
.scenario-media{height:190px;overflow:hidden;position:relative}
.scenario-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.scenario-card:hover .scenario-media img{transform:scale(1.06)}
.scenario-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.scenario-body h3{font-size:17px;font-weight:800;margin:0;line-height:1.35}
.scenario-body p{font-size:14.5px;color:var(--muted);margin:0}
.tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:11px;font-weight:800;letter-spacing:.9px;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);
}
.tag.tag-warn{background:rgba(245,158,11,.12);border-color:rgba(245,158,11,.42);color:var(--warn)}
.tag.tag-down{background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.42);color:var(--down)}

/* Mistake list */
.mistake-list{border-top:1px solid var(--line)}
.mistake-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:background .25s ease,padding-left .25s ease;
}
.mistake-item:hover{background:rgba(56,189,248,.05);padding-left:12px}
.mistake-badge{
  flex-shrink:0;width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-size:15px;font-weight:800;color:var(--down);
  background:rgba(244,63,94,.1);border:1px solid rgba(244,63,94,.34);
}
.mistake-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.mistake-item p{font-size:14.5px;color:var(--muted);margin:0;max-width:900px}

/* Metrics */
.metric-card{padding:20px 18px;border-radius:var(--radius-sm);height:100%}
.metric-value{font-size:clamp(20px,2.6vw,26px);font-weight:800;color:var(--cyan);line-height:1.2;margin-bottom:6px}
.metric-label{font-size:13px;color:var(--muted);line-height:1.5;margin:0}
.checklist{padding:26px;border-radius:var(--radius-lg)}
.checklist h3{font-size:17px;font-weight:800;margin-bottom:16px}
.check-item{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.16)}
.check-item:last-child{border-bottom:0;padding-bottom:0}
.check-item i{color:var(--ok);font-size:14px;margin-top:4px}
.check-item span{font-size:14.5px;color:#cbd5e1;line-height:1.55}

/* News */
.news-card{padding:22px;border-radius:var(--radius);height:100%;display:flex;flex-direction:column;gap:12px}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12px;color:var(--dim)}
.news-meta .chip{
  padding:4px 11px;border-radius:999px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid var(--line);
}
.news-card h3{font-size:16.5px;font-weight:700;line-height:1.4;margin:0}
.news-card h3 a:hover{color:var(--cyan)}
.news-card p{font-size:14.5px;color:var(--muted);margin:0;flex:1}

/* FAQ */
.faq-wrap{max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:12px;background:rgba(8,18,41,.55);overflow:hidden;transition:border-color .25s ease}
.faq-item.open{border-color:var(--line-strong);box-shadow:0 0 22px -10px rgba(56,189,248,.7)}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 20px;background:transparent;border:0;color:var(--text);
  font-size:15.5px;font-weight:700;text-align:left;cursor:pointer;
}
.faq-q i{color:var(--cyan);transition:transform .28s ease;font-size:14px;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{padding:0 20px 20px;margin:0;font-size:14.5px;color:var(--muted)}

/* CTA */
.cta-band{
  border-radius:var(--radius-lg);padding:clamp(30px,4.4vw,54px);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(620px 320px at 12% 0%, rgba(37,99,235,.42), transparent 66%),
    linear-gradient(150deg,rgba(15,23,42,.94),rgba(8,18,41,.72));
  box-shadow:var(--shadow);
  text-align:center;
}
.cta-band h2{font-size:clamp(21px,3vw,31px);font-weight:800;margin-bottom:14px}
.cta-band p{color:var(--muted);font-size:15px;max-width:720px;margin:0 auto 26px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}

/* Footer */
.site-footer{border-top:1px solid var(--line);background:rgba(3,7,18,.86);padding:clamp(40px,5vw,64px) 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-about p{font-size:14px;color:var(--muted);margin-top:14px;max-width:420px}
.site-footer h4{font-size:13px;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.site-footer .footer-grid > div > a{display:block;font-size:14px;color:var(--muted);padding:5px 0}
.site-footer .footer-grid > div > a:hover{color:var(--cyan)}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px}
.pay-badge{
  font-size:11.5px;font-weight:700;padding:5px 11px;border-radius:8px;
  color:var(--holo);background:rgba(56,189,248,.08);border:1px solid var(--line);
}
.small-note{font-size:12.5px;color:var(--dim);margin:0}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--dim);
}

/* FAB */
.fab-neon{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:18px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.85);
  backdrop-filter:blur(12px);
  border:1px solid rgba(56,189,248,.55);
  color:var(--cyan);font-size:20px;opacity:.78;
  box-shadow:0 0 22px rgba(6,182,212,.45),inset 0 0 14px rgba(56,189,248,.18);
  transition:transform .2s ease,opacity .2s ease,box-shadow .25s ease,color .2s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab-neon:hover{opacity:1;color:#fff;transform:translateY(-3px) scale(1.06);box-shadow:0 0 34px rgba(6,182,212,.72)}
.fab-neon:active{transform:scale(.94)}
.fab-dot{
  position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;
  background:var(--down);box-shadow:0 0 0 2px #030712,0 0 10px rgba(244,63,94,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.34),inset 0 0 12px rgba(56,189,248,.14)}
  50%{box-shadow:0 0 32px rgba(6,182,212,.68),inset 0 0 18px rgba(56,189,248,.24)}
}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.32}}

/* Responsive */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .header-inner{flex-wrap:wrap;min-height:66px}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;
    align-items:stretch;gap:4px;margin-left:0;padding:14px 18px 18px;
    background:rgba(3,7,18,.98);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .main-nav.open{display:flex}
  .nav-toggle{display:inline-grid;place-items:center;margin-left:2px}
  .brand{flex:1;min-width:0}
  .header-actions{margin-left:auto}
  .header-actions .btn{padding:8px 14px;font-size:12.5px}
  .panel-card{margin-top:34px}
  .split-media img{min-height:250px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767.98px){
  .section{padding:clamp(44px,9vw,64px) 0}
  .section-head{margin-bottom:26px}
  .hero-meta span{font-size:12px}
  .scenario-media{height:170px}
  .mistake-item{gap:14px}
  .mistake-badge{width:44px;height:44px;border-radius:13px;font-size:13px}
}
@media (max-width:520px){
  .brand-text{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .brand-text small{display:none}
  .brand-mark{width:36px;height:36px;border-radius:11px;font-size:14px}
  .header-actions .btn{padding:7px 11px;font-size:11.5px}
  .nav-toggle{width:38px;height:38px;border-radius:10px;font-size:14px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column}
  .fab-neon{width:52px;height:52px;bottom:88px;border-radius:16px;font-size:18px}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,23,42,.78);
  --surface-soft:rgba(8,18,41,.58);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563EB;
  --primary-deep:#1d4ed8;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --dim:#64748B;
  --ok:#22c55e;
  --warn:#f59e0b;
  --down:#f43f5e;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 45px -24px rgba(2,8,23,.95);
  --glow:0 0 22px rgba(56,189,248,.35);
  --sp:clamp(52px,7vw,96px);
  --font:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  font-size:16px;line-height:1.62;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(920px 520px at 10% -10%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(720px 420px at 94% 2%, rgba(56,189,248,.16), transparent 64%),
    linear-gradient(180deg,#030712 0%,#050b1c 46%,#030712 100%);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
button{font-family:inherit}
.container{max-width:1200px;padding-left:18px;padding-right:18px}
.section{padding:var(--sp) 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,0))}
.section-line{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;
  letter-spacing:1.5px;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.section-head{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-end;justify-content:space-between;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,3.2vw,33px);font-weight:800;line-height:1.26;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px;max-width:740px;margin-bottom:0}
.text-soft{color:var(--muted)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:14px;
  padding:11px 21px;border-radius:999px;border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .18s ease,box-shadow .26s ease,background .26s ease,color .26s ease,border-color .26s ease;
}
.btn-neon{
  background:linear-gradient(120deg,var(--primary),var(--cyan));color:#04101f;
  box-shadow:0 12px 30px -14px rgba(56,189,248,.95),0 0 20px rgba(56,189,248,.26);
}
.btn-neon:hover{transform:translateY(-2px);color:#04101f;box-shadow:0 16px 38px -14px rgba(56,189,248,1),0 0 30px rgba(56,189,248,.45)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-outline-neon{border-color:rgba(56,189,248,.7);color:var(--cyan);background:rgba(56,189,248,.07)}
.btn-outline-neon:hover{background:rgba(56,189,248,.18);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 27px;font-size:15px}
.btn-sm{padding:8px 16px;font-size:13px}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.glass-card{
  background:linear-gradient(158deg,rgba(15,23,42,.86),rgba(8,18,41,.6));
  border:1px solid var(--line);border-radius:var(--radius);backdrop-filter:blur(12px);
  box-shadow:var(--shadow);transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.glass-card:hover{
  border-color:var(--line-strong);transform:translateY(-4px);
  box-shadow:0 26px 52px -28px rgba(2,8,23,1),0 0 24px -8px rgba(56,189,248,.55);
}
/* Header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(3,7,18,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{position:relative;display:flex;align-items:center;gap:16px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--cyan));color:#031024;font-size:16px;box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;font-weight:800;font-size:15px;line-height:1.16}
.brand-text small{font-size:10.5px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;color:var(--cyan)}
.main-nav{display:flex;align-items:center;gap:5px;margin-left:auto}
.nav-link{
  padding:9px 13px;border-radius:11px;font-size:14px;font-weight:600;color:var(--muted);
  border:1px solid transparent;transition:background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-link.active{
  color:#fff;background:linear-gradient(180deg,rgba(37,99,235,.4),rgba(56,189,248,.12));
  border-color:var(--line-strong);box-shadow:0 0 20px -6px rgba(56,189,248,.7);
}
.header-actions{display:flex;align-items:center;gap:9px;margin-left:6px}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(15,23,42,.72);border:1px solid var(--line);color:#fff;font-size:15px}
.nav-toggle:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
/* Inner hero */
.inner-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.inner-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28;filter:saturate(1.15) contrast(1.05)}
.inner-hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(3,7,18,.97) 8%,rgba(3,7,18,.82) 48%,rgba(8,18,41,.55) 100%)}
.inner-hero-inner{position:relative;z-index:2;padding:clamp(46px,6vw,84px) 0 clamp(38px,5vw,58px)}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--dim);margin-bottom:16px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.badge-hot{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  font-size:11.5px;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  color:#031024;background:linear-gradient(120deg,var(--cyan),var(--holo));
  box-shadow:0 10px 26px -12px rgba(56,189,248,.9);
}
.inner-hero h1{font-size:clamp(26px,4.6vw,46px);font-weight:800;line-height:1.18;margin:16px 0 18px;max-width:940px}
.inner-hero .lead{font-size:clamp(15px,1.55vw,17px);color:#cbd5e1;max-width:800px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat-chip{
  flex:1 1 180px;min-width:170px;padding:15px 18px;border-radius:var(--radius-sm);
  background:var(--surface-soft);border:1px solid var(--line);backdrop-filter:blur(10px);
}
.stat-chip b{display:block;font-size:22px;font-weight:800;color:var(--cyan);line-height:1.2}
.stat-chip span{font-size:12.5px;color:var(--muted);display:block;margin-top:4px}
/* Split cards */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center}
.split.rev{grid-template-columns:.85fr 1.15fr}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(3,7,18,.15),rgba(3,7,18,.7))}
.split-media .tag{
  position:absolute;z-index:2;top:16px;left:16px;padding:7px 13px;border-radius:999px;
  font-size:11px;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;
  background:rgba(3,7,18,.82);border:1px solid var(--line-strong);color:var(--cyan);
}
.split-body h2{font-size:clamp(21px,3vw,31px);font-weight:800;line-height:1.28;margin-bottom:14px}
.split-body p{color:var(--muted);font-size:15px;margin-bottom:14px}
.kv-list{list-style:none;padding:0;margin:18px 0 0}
.kv-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.16);font-size:14.5px;color:#cbd5e1}
.kv-list li:last-child{border-bottom:none}
.kv-list i{color:var(--cyan);margin-top:4px}
/* Grid cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature-card{padding:26px 24px;border-radius:var(--radius)}
.feature-card .fc-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(140deg,rgba(37,99,235,.32),rgba(56,189,248,.18));
  border:1px solid var(--line-strong);color:var(--cyan);margin-bottom:16px;
}
.feature-card h3{font-size:17.5px;font-weight:700;margin-bottom:10px;line-height:1.35}
.feature-card p{color:var(--muted);font-size:14.5px;margin:0}
/* Pulse meter */
.meter{padding:22px;border-radius:var(--radius)}
.meter-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:8px}
.meter-top strong{font-size:15.5px}
.meter-top span{font-size:12.5px;color:var(--muted)}
.meter-bar{height:8px;border-radius:999px;background:rgba(56,189,248,.12);overflow:hidden}
.meter-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan))}
.meter-note{margin-top:10px;font-size:13px;color:var(--dim)}
.meter.hot .meter-bar i{background:linear-gradient(90deg,#f59e0b,#f43f5e)}
.meter.cool .meter-bar i{background:linear-gradient(90deg,#22c55e,#38bdf8)}
/* Ticker list */
.tick-list{list-style:none;padding:0;margin:0}
.tick-item{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding:16px 18px;border-radius:var(--radius-sm);
  background:var(--surface-soft);border:1px solid var(--line);margin-bottom:12px;transition:border-color .22s ease,transform .22s ease;
}
.tick-item:hover{border-color:var(--line-strong);transform:translateX(3px)}
.tick-item .time{font-size:12.5px;color:var(--dim);font-variant-numeric:tabular-nums;min-width:64px}
.tick-item .match{font-weight:700;font-size:14.5px;flex:1 1 220px}
.tick-item .values{display:flex;gap:14px;font-size:13.5px;font-variant-numeric:tabular-nums}
.tick-item .values .old{color:var(--dim);text-decoration:line-through}
.tick-item .values .new{color:var(--cyan);font-weight:700}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.4px}
.pill-up{background:rgba(34,197,94,.14);color:#4ade80;border:1px solid rgba(34,197,94,.35)}
.pill-down{background:rgba(244,63,94,.14);color:#fb7185;border:1px solid rgba(244,63,94,.35)}
.pill-warn{background:rgba(245,158,11,.14);color:#fbbf24;border:1px solid rgba(245,158,11,.35)}
/* Steps */
.step-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{padding:22px;border-radius:var(--radius);position:relative;overflow:hidden}
.step .num{
  font-size:34px;font-weight:800;line-height:1;color:transparent;
  background:linear-gradient(120deg,var(--cyan),var(--primary));
  -webkit-background-clip:text;background-clip:text;margin-bottom:12px;display:block;
}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px;margin:0}
/* Table */
.table-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface-soft)}
table.kq{width:100%;border-collapse:collapse;font-size:14px}
table.kq thead th{
  background:rgba(37,99,235,.18);color:#e2e8f0;font-weight:700;font-size:12.5px;
  letter-spacing:.6px;text-transform:uppercase;padding:14px 16px;text-align:left;white-space:nowrap;
}
table.kq tbody td{padding:14px 16px;border-top:1px solid rgba(56,189,248,.12);color:#cbd5e1;font-variant-numeric:tabular-nums}
table.kq tbody tr:hover{background:rgba(56,189,248,.06)}
/* FAQ */
.faq-list{display:grid;gap:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-soft);overflow:hidden;transition:border-color .22s ease}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
  cursor:pointer;padding:17px 20px;font-weight:700;font-size:15.5px;list-style:none;
  display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--cyan);font-size:12px;transition:transform .22s ease}
.faq-item[open] summary::after{content:"\f068"}
.faq-item p{padding:0 20px 18px;margin:0;color:var(--muted);font-size:14.5px}
/* CTA band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(8,18,41,.85) 55%,rgba(56,189,248,.16));
  padding:clamp(28px,4vw,48px);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(520px 260px at 88% 0%, rgba(56,189,248,.28), transparent 65%);
}
.cta-band-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between}
.cta-band h2{font-size:clamp(21px,3vw,30px);font-weight:800;line-height:1.25;margin-bottom:10px;max-width:640px}
.cta-band p{color:#cbd5e1;max-width:660px;margin:0;font-size:15px}
/* Post list */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{overflow:hidden;border-radius:var(--radius);display:flex;flex-direction:column}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .thumb img{transform:scale(1.06)}
.post-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,0),rgba(3,7,18,.72))}
.post-card .cat{
  position:absolute;z-index:2;left:14px;bottom:14px;padding:5px 12px;border-radius:999px;
  font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  background:rgba(3,7,18,.8);border:1px solid var(--line-strong);color:var(--cyan);
}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1}
.post-body h3{font-size:16.5px;font-weight:700;line-height:1.38;margin-bottom:10px}
.post-body p{color:var(--muted);font-size:14px;margin-bottom:14px;flex:1}
.post-meta{display:flex;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--dim);border-top:1px solid rgba(56,189,248,.14);padding-top:12px}
.empty-note{padding:26px;border-radius:var(--radius);border:1px dashed var(--line-strong);color:var(--muted);text-align:center;font-size:14.5px}
/* Channel matrix */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{padding:26px 24px;border-radius:var(--radius);display:flex;flex-direction:column}
.channel-card .ch-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.channel-card .ch-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:17px;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);
}
.channel-card h3{font-size:17px;font-weight:700;margin:0}
.channel-card p{color:var(--muted);font-size:14.5px;margin-bottom:18px;flex:1}
/* Footer */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(8,18,41,.85));padding-top:56px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.site-footer h4{font-size:13px;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.site-footer p{color:var(--muted);font-size:14px}
.site-footer .footer-about .brand{margin-bottom:14px}
.site-footer .footer-about a, .site-footer .footer-about a:hover{color:inherit}
.site-footer > .container > .footer-grid > div > a{display:block;color:var(--muted);font-size:14px;padding:6px 0}
.site-footer > .container > .footer-grid > div > a:hover{color:var(--cyan)}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px}
.pay-badge{
  padding:6px 12px;border-radius:10px;font-size:12px;font-weight:700;
  background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:#bae6fd;
}
.small-note{font-size:12.5px;color:var(--dim);margin:0}
.footer-bottom{
  margin-top:40px;border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:var(--dim);
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);color:var(--cyan);
  border:1px solid transparent;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  font-size:19px;opacity:.78;
  transition:transform .22s ease,opacity .22s ease,box-shadow .3s ease;
}
.fab::before{
  content:"";position:absolute;inset:-1px;border-radius:17px;padding:1px;z-index:-1;
  background:linear-gradient(135deg,var(--cyan),var(--primary),var(--holo));
}
.fab:hover{transform:scale(1.08);opacity:1;box-shadow:0 0 32px rgba(6,182,212,.7)}
.fab:active{transform:scale(.94)}
.fab .dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 0 2px #030712;animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.7}}
/* Responsive */
@media (max-width:1024px){
  .split,.split.rev{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .step-row{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .main-nav{
    position:absolute;top:100%;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 18px 18px;
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-toggle{display:grid;place-items:center}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:640px){
  .grid-3,.grid-4,.post-grid,.grid-2,.step-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .hero-cta .btn{width:100%}
  .tick-item{gap:10px}
  .tick-item .values{width:100%}
}

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