/* =============================================================
   surface-adaptive-d753f3.css
   599bet.cyou - mobile-first compact gaming surface
   Prefix: surface3f328-
   Palette: #F0E68C / #F4A460 / #FF8C00 / #0C0C0C
   Direction: tech-feel titles + open body, round buttons + square
   cards, light-float game tiles, lead-segment rhythm, slide-in
   menu + slight card lift, compact dual CTA.
   ============================================================= */

:root{
  --surface3f328-bg:#0C0C0C;
  --surface3f328-bg-2:#141414;
  --surface3f328-card:#1b1b1b;
  --surface3f328-card-2:#232323;
  --surface3f328-border:#2c2c2c;
  --surface3f328-border-strong:#3a3a3a;
  --surface3f328-text:#f3efe2;
  --surface3f328-text-soft:#cfbbad;
  --surface3f328-muted:#9a907d;
  --surface3f328-accent:#FF8C00;
  --surface3f328-accent-2:#FFB347;
  --surface3f328-sand:#F4A460;
  --surface3f328-khaki:#F0E68C;
  --surface3f328-danger:#ff6b5e;
  --surface3f328-ok:#7bd88f;
  --surface3f328-radius-btn:999px;
  --surface3f328-radius-card:6px;
  --surface3f328-radius-tile:8px;
  --surface3f328-shadow:0 6px 18px rgba(0,0,0,.55);
  --surface3f328-max:480px;
  --surface3f328-header-h:56px;
  --surface3f328-bottom-h:78px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:"Hind Siliguri","Noto Sans Bengali","SolaimanLipi",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--surface3f328-bg);
  color:var(--surface3f328-text);
  font-size:14px;
  line-height:1.65;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding-bottom:calc(var(--surface3f328-bottom-h) + 14px);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;text-align:center;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--surface3f328-khaki);outline-offset:2px;border-radius:4px;}

/* ---------- App shell (centered phone canvas) ---------- */
.surface3f328-root{
  max-width:var(--surface3f328-max);
  margin:0 auto;
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(255,140,0,.10), transparent 60%),
    linear-gradient(180deg,#0C0C0C 0%, #141414 35%, #0C0C0C 100%);
  min-height:100vh;
  position:relative;
  box-shadow:0 0 40px rgba(0,0,0,.5);
}

/* ---------- Header (edge-aligned functional head) ---------- */
.surface3f328-header{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  height:var(--surface3f328-header-h);
  padding:8px 12px;
  background:rgba(12,12,12,.94);
  border-bottom:1px solid var(--surface3f328-border);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
}
.surface3f328-brand{
  display:flex;
  align-items:center;
  gap:8px;
  min-width:0;
}
.surface3f328-logo{
  width:38px;
  height:38px;
  border-radius:10px;
  object-fit:cover;
  border:1px solid var(--surface3f328-sand);
  box-shadow:0 2px 6px rgba(244,164,96,.25);
  flex-shrink:0;
}
.surface3f328-brand-name{
  font-weight:800;
  letter-spacing:.6px;
  color:var(--surface3f328-khaki);
  font-size:19px;
  line-height:1;
  white-space:nowrap;
}
.surface3f328-brand-name b{color:var(--surface3f328-accent);}
.surface3f328-actions{
  display:flex;
  align-items:center;
  gap:6px;
}
.surface3f328-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  min-height:36px;
  padding:0 14px;
  border-radius:var(--surface3f328-radius-btn);
  font-weight:700;
  font-size:13px;
  white-space:nowrap;
  transition:transform .14s ease, box-shadow .14s ease, background .14s;
  -webkit-tap-highlight-color:transparent;
}
.surface3f328-btn:active{transform:translateY(1px) scale(.99);}
.surface3f328-btn--primary{
  background:linear-gradient(135deg,#FF8C00 0%, #F4A460 100%);
  color:#0C0C0C;
  box-shadow:0 4px 14px rgba(255,140,0,.32);
}
.surface3f328-btn--ghost{
  border:1px solid var(--surface3f328-sand);
  color:var(--surface3f328-khaki);
  background:rgba(244,164,96,.06);
}
.surface3f328-btn--ghost:active{background:rgba(244,164,96,.14);}
.surface3f328-btn--block{width:100%;}
.surface3f328-btn--lg{min-height:42px;font-size:14px;}
.surface3f328-menu-trigger{
  width:36px;
  height:36px;
  border-radius:10px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:4px;
  border:1px solid var(--surface3f328-border-strong);
  background:var(--surface3f328-card);
}
.surface3f328-menu-trigger span{
  display:block;
  width:18px;
  height:2px;
  background:var(--surface3f328-khaki);
  border-radius:2px;
}

/* ---------- Full-height drawer menu ---------- */
.surface3f328-drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.62);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease, visibility .25s;
  z-index:95;
}
.surface3f328-drawer-mask[data-open="true"]{opacity:1;visibility:visible;}
.surface3f328-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(322px,86vw);
  background:#0f0f0f;
  border-left:1px solid var(--surface3f328-border-strong);
  transform:translateX(105%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  z-index:100;
  overflow-y:auto;
  padding:14px 14px calc(var(--surface3f328-bottom-h) + 24px);
  box-shadow:-12px 0 32px rgba(0,0,0,.45);
}
.surface3f328-drawer[data-open="true"]{transform:translateX(0);}
.surface3f328-drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:6px 4px 14px;
  border-bottom:1px dashed var(--surface3f328-border);
  margin-bottom:6px;
}
.surface3f328-drawer-head .surface3f328-brand-name{font-size:17px;}
.surface3f328-drawer-head img{width:30px;height:30px;border-radius:8px;}
.surface3f328-drawer-close{
  width:34px;
  height:34px;
  border-radius:50%;
  border:1px solid var(--surface3f328-border-strong);
  color:var(--surface3f328-muted);
  font-size:20px;
  line-height:1;
}
.surface3f328-drawer-title{
  color:var(--surface3f328-khaki);
  font-size:11px;
  letter-spacing:1.4px;
  text-transform:uppercase;
  margin:14px 4px 6px;
  opacity:.85;
}
.surface3f328-drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:11px 10px;
  border-radius:8px;
  color:var(--surface3f328-text);
  font-size:14px;
  border:1px solid transparent;
  transition:background .14s, border-color .14s, transform .14s;
}
.surface3f328-drawer-link:hover,
.surface3f328-drawer-link:focus{
  background:var(--surface3f328-card-2);
  border-color:var(--surface3f328-border);
  transform:translateX(2px);
}
.surface3f328-drawer-link span:last-child{
  color:var(--surface3f328-muted);
  font-size:12px;
}
.surface3f328-drawer-cta{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin-top:14px;
}

/* ---------- Page title bar ---------- */
.surface3f328-page-title-bar{
  padding:14px 12px 4px;
}
.surface3f328-page-title{
  font-size:22px;
  font-weight:800;
  color:var(--surface3f328-khaki);
  margin:0;
  line-height:1.3;
  letter-spacing:.2px;
}
.surface3f328-page-sub{
  font-size:12px;
  color:var(--surface3f328-muted);
  margin:4px 0 0;
  line-height:1.55;
}
@media (min-width:375px){
  .surface3f328-page-title{font-size:24px;}
}

/* ---------- Hero / Carousel ---------- */
.surface3f328-hero{padding:14px 12px 4px;}
.surface3f328-carousel{
  position:relative;
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--surface3f328-shadow);
  background:#1a1a1a;
  border:1px solid var(--surface3f328-border);
}
.surface3f328-slide-track{
  display:flex;
  transition:transform .42s cubic-bezier(.4,0,.2,1);
  will-change:transform;
}
.surface3f328-slide{
  flex:0 0 100%;
  position:relative;
}
.surface3f328-slide-img{
  width:100%;
  height:172px;
  object-fit:cover;
}
.surface3f328-slide-shade{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:60%;
  background:linear-gradient(180deg,transparent 0%, rgba(0,0,0,.78) 60%, rgba(0,0,0,.92) 100%);
  pointer-events:none;
}
.surface3f328-slide-caption{
  position:absolute;
  left:14px;
  right:14px;
  bottom:12px;
  z-index:2;
}
.surface3f328-slide-tag{
  display:inline-block;
  background:linear-gradient(135deg,#FF8C00,#F4A460);
  color:#0C0C0C;
  font-size:10px;
  font-weight:800;
  padding:2px 8px;
  border-radius:6px;
  letter-spacing:.6px;
  margin-bottom:6px;
  text-transform:uppercase;
}
.surface3f328-slide-title{
  font-size:18px;
  font-weight:800;
  color:#fff;
  margin:0;
  line-height:1.3;
  text-shadow:0 2px 6px rgba(0,0,0,.6);
}
.surface3f328-slide-sub{
  font-size:12px;
  color:var(--surface3f328-khaki);
  margin:4px 0 8px;
}
.surface3f328-slide-cta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:32px;
  padding:0 14px;
  background:linear-gradient(135deg,#FF8C00,#F4A460);
  color:#0C0C0C;
  border-radius:var(--surface3f328-radius-btn);
  font-size:12px;
  font-weight:800;
  box-shadow:0 4px 10px rgba(255,140,0,.32);
}
.surface3f328-carousel-dots{
  display:flex;
  justify-content:center;
  gap:6px;
  padding:10px 0 2px;
}
.surface3f328-carousel-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#3c3c3c;
  border:0;
  transition:all .2s ease;
  padding:0;
}
.surface3f328-carousel-dot[data-active="true"]{
  background:linear-gradient(135deg,#FF8C00,#F4A460);
  width:24px;
  border-radius:6px;
}

/* ---------- CTA pair ---------- */
.surface3f328-cta-pair{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin:12px 0 4px;
}
.surface3f328-cta-pair .surface3f328-btn{height:42px;font-size:14px;}

/* ---------- Promo strip ---------- */
.surface3f328-promo-strip{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin:12px 0 4px;
}
.surface3f328-promo-card{
  background:
    linear-gradient(135deg, rgba(255,140,0,.16), rgba(244,164,96,.06)),
    var(--surface3f328-card);
  border:1px solid rgba(244,164,96,.28);
  border-radius:12px;
  padding:10px 12px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  min-height:92px;
  position:relative;
  overflow:hidden;
}
.surface3f328-promo-card::before{
  content:"";
  position:absolute;
  top:-20px;
  right:-20px;
  width:60px;
  height:60px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(240,230,140,.18), transparent 70%);
}
.surface3f328-promo-card strong{
  color:var(--surface3f328-khaki);
  font-size:13px;
  display:block;
  line-height:1.35;
}
.surface3f328-promo-card span{
  color:var(--surface3f328-muted);
  font-size:11px;
  margin-top:2px;
  display:block;
}
.surface3f328-promo-card .surface3f328-btn{
  align-self:flex-start;
  margin-top:8px;
  font-size:11px;
  height:26px;
  padding:0 12px;
}

/* ---------- Section frame ---------- */
.surface3f328-section{padding:16px 12px 4px;}
.surface3f328-section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:8px;
  margin-bottom:8px;
}
.surface3f328-section-title{
  font-size:17px;
  font-weight:800;
  color:var(--surface3f328-khaki);
  margin:0;
  position:relative;
  padding-left:12px;
  line-height:1.3;
}
.surface3f328-section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:5px;
  bottom:5px;
  width:4px;
  background:linear-gradient(180deg,#FF8C00,#F4A460);
  border-radius:2px;
}
.surface3f328-section-side{
  font-size:11px;
  color:var(--surface3f328-sand);
  display:inline-flex;
  align-items:center;
  gap:4px;
  border:1px solid var(--surface3f328-border);
  padding:3px 8px;
  border-radius:999px;
  background:var(--surface3f328-card);
  white-space:nowrap;
}
.surface3f328-lead{
  font-size:13px;
  color:var(--surface3f328-text-soft);
  margin:0 0 12px;
  padding:8px 10px;
  border-left:2px solid var(--surface3f328-sand);
  background:rgba(244,164,96,.05);
  border-radius:0 6px 6px 0;
  line-height:1.6;
}
.surface3f328-lead b{color:var(--surface3f328-khaki);}
.surface3f328-cat-links{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin:0 0 10px;
}
.surface3f328-cat-links a{
  font-size:11px;
  color:var(--surface3f328-text);
  background:var(--surface3f328-card);
  border:1px solid var(--surface3f328-border);
  padding:4px 9px;
  border-radius:999px;
  transition:background .14s, border-color .14s;
}
.surface3f328-cat-links a:hover,
.surface3f328-cat-links a:focus{
  background:var(--surface3f328-card-2);
  border-color:var(--surface3f328-sand);
  color:var(--surface3f328-khaki);
}

/* ---------- Game grid (light-float tile) ---------- */
.surface3f328-game-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:8px;
}
.surface3f328-game-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  background:var(--surface3f328-card);
  border:1px solid var(--surface3f328-border);
  border-radius:var(--surface3f328-radius-tile);
  padding:6px 5px 7px;
  width:100%;
  text-align:center;
  transition:transform .18s ease, border-color .18s, box-shadow .18s;
  box-shadow:0 2px 6px rgba(0,0,0,.35);
  -webkit-tap-highlight-color:transparent;
}
.surface3f328-game-card:hover,
.surface3f328-game-card:focus-visible{
  transform:translateY(-3px);
  border-color:var(--surface3f328-sand);
  box-shadow:0 8px 16px rgba(255,140,0,.18);
}
.surface3f328-game-thumb{
  width:100%;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:6px;
  background:#222;
  border:1px solid rgba(255,255,255,.04);
}
.surface3f328-game-name{
  font-size:11px;
  color:var(--surface3f328-text);
  margin-top:5px;
  line-height:1.25;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  min-height:1.9em;
  font-weight:600;
}

/* ---------- Info modules (lead-segment rhythm) ---------- */
.surface3f328-info-stack{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.surface3f328-info-block{
  background:linear-gradient(180deg, var(--surface3f328-card) 0%, #181818 100%);
  border:1px solid var(--surface3f328-border);
  border-left:3px solid var(--surface3f328-accent);
  border-radius:var(--surface3f328-radius-card);
  padding:14px 14px 12px;
}
.surface3f328-info-block h2{
  font-size:16px;
  font-weight:800;
  color:var(--surface3f328-khaki);
  margin:0 0 6px;
  line-height:1.35;
}
.surface3f328-info-block h3{
  font-size:13px;
  color:var(--surface3f328-sand);
  margin:10px 0 4px;
  font-weight:700;
}
.surface3f328-info-block p{
  font-size:13px;
  color:var(--surface3f328-text);
  margin:0 0 8px;
  line-height:1.7;
}
.surface3f328-info-block p:last-child{margin-bottom:0;}
.surface3f328-info-block a{
  color:var(--surface3f328-accent-2);
  border-bottom:1px dashed rgba(255,179,71,.45);
  padding-bottom:1px;
}
.surface3f328-info-block a:hover,
.surface3f328-info-block a:focus{
  color:var(--surface3f328-khaki);
  border-bottom-color:var(--surface3f328-khaki);
}
.surface3f328-info-list{
  margin:4px 0 8px;
  padding-left:18px;
  font-size:13px;
  color:var(--surface3f328-text-soft);
}
.surface3f328-info-list li{
  margin-bottom:4px;
  line-height:1.65;
}
.surface3f328-info-grid-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin:8px 0;
}
.surface3f328-mini-tile{
  background:#161616;
  border:1px solid var(--surface3f328-border);
  border-radius:8px;
  padding:8px 10px;
}
.surface3f328-mini-tile b{
  color:var(--surface3f328-khaki);
  font-size:12px;
  display:block;
  margin-bottom:2px;
}
.surface3f328-mini-tile span{
  color:var(--surface3f328-muted);
  font-size:11px;
  line-height:1.5;
}

/* ---------- Checklist ---------- */
.surface3f328-check-list{
  list-style:none;
  margin:6px 0 0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:6px;
}
.surface3f328-check-list li{
  display:flex;
  align-items:flex-start;
  gap:8px;
  font-size:12.5px;
  color:var(--surface3f328-text);
  line-height:1.55;
}
.surface3f328-check-list li::before{
  content:"\\2713";
  flex-shrink:0;
  width:18px;
  height:18px;
  border-radius:50%;
  background:linear-gradient(135deg,#FF8C00,#F4A460);
  color:#0C0C0C;
  font-size:11px;
  font-weight:900;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:1px;
}

/* ---------- Trick grid ---------- */
.surface3f328-trick-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:8px;
  margin:6px 0 0;
}
.surface3f328-trick-card{
  background:#161616;
  border:1px solid var(--surface3f328-border);
  border-radius:8px;
  padding:10px 12px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.surface3f328-trick-num{
  flex-shrink:0;
  width:24px;
  height:24px;
  border-radius:6px;
  background:var(--surface3f328-card-2);
  color:var(--surface3f328-accent);
  font-weight:900;
  font-size:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--surface3f328-border-strong);
}
.surface3f328-trick-card b{
  color:var(--surface3f328-khaki);
  font-size:12.5px;
  display:block;
  margin-bottom:2px;
}
.surface3f328-trick-card span{
  color:var(--surface3f328-muted);
  font-size:12px;
  line-height:1.55;
}

/* ---------- Inline mini promo banner ---------- */
.surface3f328-inline-promo{
  display:flex;
  align-items:center;
  gap:10px;
  background:linear-gradient(135deg, rgba(255,140,0,.14), rgba(244,164,96,.05));
  border:1px solid rgba(244,164,96,.28);
  border-radius:10px;
  padding:10px 12px;
  margin:12px 0 4px;
}
.surface3f328-inline-promo .surface3f328-inline-text{
  flex:1;
  min-width:0;
}
.surface3f328-inline-promo strong{
  color:var(--surface3f328-khaki);
  font-size:13px;
  display:block;
  line-height:1.4;
}
.surface3f328-inline-promo span{
  color:var(--surface3f328-muted);
  font-size:11px;
  display:block;
  margin-top:2px;
}
.surface3f328-inline-promo .surface3f328-btn{
  flex-shrink:0;
  font-size:11px;
  height:30px;
  padding:0 12px;
}

/* ---------- Extended footer ---------- */
.surface3f328-extended-footer{
  margin-top:18px;
  padding:18px 12px 10px;
  border-top:1px solid var(--surface3f328-border);
  background:
    radial-gradient(80% 50% at 50% 0%, rgba(255,140,0,.06), transparent 60%),
    #0a0a0a;
}
.surface3f328-extended-footer h2{
  font-size:15px;
  color:var(--surface3f328-khaki);
  margin:0 0 4px;
  font-weight:800;
}
.surface3f328-extended-footer > p{
  font-size:12px;
  color:var(--surface3f328-muted);
  margin:0 0 12px;
  line-height:1.65;
}
.surface3f328-ef-shortcuts{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:6px;
  margin-bottom:12px;
}
.surface3f328-ef-shortcut{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  background:var(--surface3f328-card);
  border:1px solid var(--surface3f328-border);
  border-radius:10px;
  padding:9px 4px;
  min-height:60px;
  text-align:center;
  transition:transform .14s, border-color .14s;
}
.surface3f328-ef-shortcut:hover{transform:translateY(-2px);border-color:var(--surface3f328-sand);}
.surface3f328-ef-shortcut .surface3f328-ef-ico{
  width:24px;
  height:24px;
  border-radius:6px;
  background:var(--surface3f328-card-2);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--surface3f328-accent);
  font-size:13px;
  font-weight:900;
}
.surface3f328-ef-shortcut span{
  font-size:10px;
  color:var(--surface3f328-text);
  line-height:1.25;
  font-weight:600;
}
.surface3f328-ef-directory-title{
  font-size:11px;
  letter-spacing:1.2px;
  color:var(--surface3f328-sand);
  text-transform:uppercase;
  margin:6px 0 8px;
}
.surface3f328-ef-directory{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:6px;
  margin-bottom:12px;
}
.surface3f328-ef-directory a{
  font-size:11.5px;
  color:var(--surface3f328-text);
  padding:7px 9px;
  border:1px solid var(--surface3f328-border);
  border-radius:6px;
  background:#141414;
  line-height:1.4;
  transition:background .14s, border-color .14s;
}
.surface3f328-ef-directory a:hover,
.surface3f328-ef-directory a:focus{
  background:var(--surface3f328-card-2);
  border-color:var(--surface3f328-sand);
  color:var(--surface3f328-khaki);
}
.surface3f328-ef-disclaimer{
  font-size:11px;
  color:#776e5d;
  line-height:1.6;
  padding:10px;
  border:1px dashed var(--surface3f328-border-strong);
  border-radius:6px;
  background:rgba(255,255,255,.015);
}
.surface3f328-ef-disclaimer strong{color:var(--surface3f328-muted);}

/* ---------- Footer copyright ---------- */
.surface3f328-footer{
  padding:12px 12px 16px;
  text-align:center;
  color:var(--surface3f328-muted);
  font-size:11px;
  background:#070707;
  border-top:1px solid var(--surface3f328-border);
  line-height:1.6;
}
.surface3f328-footer .surface3f328-footer-brand{
  color:var(--surface3f328-khaki);
  font-weight:700;
}

/* ---------- Bottom navigation (raised central) ---------- */
.surface3f328-bottomnav{
  position:fixed;
  left:50%;
  transform:translateX(-50%);
  bottom:10px;
  z-index:60;
  width:min(440px, calc(100% - 16px));
  display:flex;
  align-items:flex-end;
  justify-content:space-around;
  background:linear-gradient(180deg, #1d1d1d 0%, #0a0a0a 100%);
  border:1px solid var(--surface3f328-border-strong);
  border-radius:20px;
  padding:6px 6px 8px;
  box-shadow:0 10px 26px rgba(0,0,0,.6);
}
.surface3f328-bottomnav-item{
  flex:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-end;
  gap:3px;
  padding:6px 2px;
  min-height:48px;
  color:var(--surface3f328-muted);
  font-size:10px;
  border-radius:12px;
  position:relative;
  font-weight:600;
  -webkit-tap-highlight-color:transparent;
}
.surface3f328-bottomnav-item:focus-visible{outline:2px solid var(--surface3f328-khaki);outline-offset:1px;}
.surface3f328-bottomnav-item[data-active="true"]{color:var(--surface3f328-khaki);}
.surface3f328-bottomnav-item[data-active="true"]::after{
  content:"";
  position:absolute;
  top:2px;
  left:50%;
  transform:translateX(-50%);
  width:20px;
  height:2px;
  background:linear-gradient(90deg,#FF8C00,#F4A460);
  border-radius:2px;
}
.surface3f328-bottomnav-icon{
  width:30px;
  height:30px;
  border-radius:9px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--surface3f328-card-2);
  color:var(--surface3f328-khaki);
  font-size:14px;
  font-weight:900;
  transition:transform .2s ease, background .2s;
  border:1px solid var(--surface3f328-border);
}
.surface3f328-bottomnav-item[data-active="true"] .surface3f328-bottomnav-icon{
  background:linear-gradient(135deg,#FF8C00,#F4A460);
  color:#0C0C0C;
  transform:translateY(-4px);
  box-shadow:0 6px 14px rgba(255,140,0,.38);
  border-color:transparent;
}
.surface3f328-bottomnav-label{line-height:1.1;text-align:center;}
.surface3f328-bottomnav-item--center{flex:1.2;}
.surface3f328-bottomnav-item--center .surface3f328-bottomnav-icon{
  width:46px;
  height:46px;
  border-radius:50%;
  background:linear-gradient(135deg,#FF8C00,#F4A460);
  color:#0C0C0C;
  font-size:18px;
  transform:translateY(-10px);
  box-shadow:0 9px 18px rgba(255,140,0,.45);
  border:2px solid #1a1a1a;
}
.surface3f328-bottomnav-item--center .surface3f328-bottomnav-label{
  transform:translateY(-6px);
  font-weight:800;
}

/* ---------- Utility ---------- */
.surface3f328-sr-only{
  position:absolute !important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0;
}
.surface3f328-divider{
  height:1px;
  background:linear-gradient(90deg,transparent,var(--surface3f328-border),transparent);
  margin:14px 0;
}
.surface3f328-tag{
  display:inline-block;
  font-size:10px;
  letter-spacing:.8px;
  padding:2px 7px;
  border-radius:5px;
  background:rgba(240,230,140,.12);
  color:var(--surface3f328-khaki);
  border:1px solid rgba(240,230,140,.22);
  text-transform:uppercase;
  font-weight:700;
}

/* ---------- Help page compositions ---------- */
.surface3f328-help-intro{
  margin:12px;
  padding:14px;
  border:1px solid rgba(240,230,140,.28);
  border-radius:14px 4px 14px 4px;
  background:linear-gradient(135deg,rgba(255,140,0,.12),rgba(240,230,140,.04));
}
.surface3f328-help-intro p{margin:0;color:var(--surface3f328-text-soft);font-size:13px;line-height:1.75;}
.surface3f328-help-intro strong{color:var(--surface3f328-khaki);}
.surface3f328-step-list{display:grid;gap:9px;margin:8px 0 0;padding:0;list-style:none;counter-reset:surface3f328-step;}
.surface3f328-step-list li{counter-increment:surface3f328-step;display:grid;grid-template-columns:32px 1fr;gap:9px;align-items:start;padding:10px;border:1px solid var(--surface3f328-border);background:#151515;border-radius:4px 12px 4px 12px;}
.surface3f328-step-list li::before{content:counter(surface3f328-step,decimal-leading-zero);display:flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;background:var(--surface3f328-accent);color:#101010;font-size:11px;font-weight:900;}
.surface3f328-step-list b{display:block;color:var(--surface3f328-khaki);font-size:13px;margin-bottom:2px;}
.surface3f328-step-list span{display:block;color:var(--surface3f328-text-soft);font-size:12px;line-height:1.6;}
.surface3f328-answer-rail{display:grid;gap:8px;margin-top:8px;}
.surface3f328-answer-rail details{border-left:3px solid var(--surface3f328-sand);border-top:1px solid var(--surface3f328-border);border-right:1px solid var(--surface3f328-border);border-bottom:1px solid var(--surface3f328-border);border-radius:0 8px 8px 0;background:#171717;padding:10px 11px;}
.surface3f328-answer-rail summary{cursor:pointer;color:var(--surface3f328-khaki);font-weight:800;font-size:13px;min-height:24px;}
.surface3f328-answer-rail p{margin:7px 0 0;color:var(--surface3f328-text-soft);font-size:12.5px;line-height:1.7;}
.surface3f328-term-band{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:8px;}
.surface3f328-term-band div{padding:9px;border:1px solid var(--surface3f328-border);background:#141414;border-radius:9px;min-height:84px;}
.surface3f328-term-band b{display:block;color:var(--surface3f328-accent-2);font-size:12px;margin-bottom:3px;}
.surface3f328-term-band span{display:block;color:var(--surface3f328-muted);font-size:11.5px;line-height:1.55;}
.surface3f328-warning-line{margin:9px 0 0;padding:9px 10px;border:1px dashed rgba(244,164,96,.42);border-radius:6px;color:var(--surface3f328-text-soft);font-size:12px;line-height:1.65;background:rgba(244,164,96,.04);}
.surface3f328-check-grid{display:grid;gap:7px;margin-top:8px;}
.surface3f328-check-grid div{display:flex;gap:8px;padding:8px 9px;background:#151515;border-radius:6px;border:1px solid var(--surface3f328-border);color:var(--surface3f328-text-soft);font-size:12px;line-height:1.55;}
.surface3f328-check-grid div::before{content:"✓";color:var(--surface3f328-accent);font-weight:900;}
.surface3f328-fact-band{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;margin:10px 0;}
.surface3f328-fact-band div{padding:10px;border-top:2px solid var(--surface3f328-accent);background:var(--surface3f328-card);border-radius:3px 3px 10px 10px;}
.surface3f328-fact-band b{display:block;color:var(--surface3f328-khaki);font-size:12px;}
.surface3f328-fact-band span{display:block;color:var(--surface3f328-muted);font-size:11px;line-height:1.5;margin-top:3px;}
.surface3f328-split-note{display:grid;gap:9px;margin-top:8px;}
.surface3f328-split-note article{padding:11px;border-radius:10px 3px 10px 3px;border:1px solid var(--surface3f328-border);}
.surface3f328-split-note article:first-child{background:rgba(123,216,143,.06);border-color:rgba(123,216,143,.25);}
.surface3f328-split-note article:last-child{background:rgba(255,107,94,.05);border-color:rgba(255,107,94,.25);}
.surface3f328-split-note h3{margin:0 0 4px;color:var(--surface3f328-khaki);font-size:13px;}
.surface3f328-split-note p{margin:0;color:var(--surface3f328-text-soft);font-size:12px;line-height:1.65;}
.surface3f328-help-cta{margin:14px 12px 2px;}

/* ---------- Responsive breakpoints ---------- */
@media (min-width:360px){
  .surface3f328-game-grid{gap:9px;}
  .surface3f328-game-name{font-size:11.5px;}
  .surface3f328-section-title{font-size:18px;}
}
@media (min-width:375px){
  .surface3f328-game-grid{gap:10px;}
  .surface3f328-game-card{padding:7px 6px 8px;}
  .surface3f328-game-name{font-size:12px;}
  .surface3f328-slide-img{height:188px;}
}
@media (min-width:430px){
  .surface3f328-game-grid{grid-template-columns:repeat(5,1fr);}
  .surface3f328-slide-img{height:208px;}
  .surface3f328-section-title{font-size:20px;}
  .surface3f328-info-grid-2{grid-template-columns:repeat(3,1fr);}
  .surface3f328-trick-grid{grid-template-columns:1fr 1fr;}
  .surface3f328-ef-directory{grid-template-columns:repeat(3,1fr);}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *{
    transition:none !important;
    animation:none !important;
    scroll-behavior:auto !important;
  }
}

/* ---------- High-contrast focus for aging eyes ---------- */
@media (prefers-contrast:more){
  .surface3f328-info-block,
  .surface3f328-game-card,
  .surface3f328-promo-card{border-width:2px;}
}