:root {
  --mobile4f6c7-ink: #e0ffff;
  --mobile4f6c7-muted: #acd1d1;
  --mobile4f6c7-deep: #333333;
  --mobile4f6c7-teal: #5f9ea0;
  --mobile4f6c7-navy: #000080;
  --mobile4f6c7-brown: #6f4e37;
  --mobile4f6c7-line: rgba(224, 255, 255, .18);
  --mobile4f6c7-panel: #3b3b3b;
  --mobile4f6c7-radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--mobile4f6c7-deep); }
body {
  margin: 0;
  background:
    radial-gradient(circle at 14% 4%, rgba(95,158,160,.25), transparent 25rem),
    linear-gradient(145deg, #333333 0%, #262626 62%, #3d2e26 100%);
  color: var(--mobile4f6c7-ink);
  font-family: "Noto Sans Bengali", "Nirmala UI", sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}
button, a { -webkit-tap-highlight-color: transparent; }
a { color: #a9ffff; text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 3px solid #e0ffff; outline-offset: 3px; }
button { font: inherit; }
.mobile4f6c7-canvas { width: min(100%, 760px); margin: 0 auto; min-height: 100vh; padding-bottom: 82px; }
.mobile4f6c7-topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(24, 24, 24, .96); border-bottom: 1px solid var(--mobile4f6c7-line);
  backdrop-filter: blur(14px);
}
.mobile4f6c7-toprow { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 9px 12px; }
.mobile4f6c7-brand { display: inline-flex; align-items: center; gap: 8px; min-width: 0; color: var(--mobile4f6c7-ink); text-decoration: none; font-weight: 900; letter-spacing: .04em; }
.mobile4f6c7-brand img { width: 39px; height: 39px; object-fit: cover; border-radius: 12px; box-shadow: 0 4px 14px rgba(95,158,160,.35); }
.mobile4f6c7-brand-name { font-size: 1.12rem; white-space: nowrap; }
.mobile4f6c7-actions { display: flex; align-items: center; gap: 5px; }
.mobile4f6c7-btn { min-height: 44px; border: 1px solid transparent; border-radius: 999px; padding: 8px 13px; display: inline-flex; align-items: center; justify-content: center; text-align: center; text-decoration: none; cursor: pointer; font-weight: 800; font-size: .82rem; transition: transform .18s ease, background .18s ease, color .18s ease; }
.mobile4f6c7-btn:hover { transform: translateY(-2px); }
.mobile4f6c7-btn-solid { background: var(--mobile4f6c7-teal); color: #102b2b; }
.mobile4f6c7-btn-line { background: transparent; border-color: var(--mobile4f6c7-teal); color: var(--mobile4f6c7-ink); }
.mobile4f6c7-btn-navy { background: var(--mobile4f6c7-navy); color: #fff; }
.mobile4f6c7-menu-btn { width: 45px; height: 45px; border: 1px solid var(--mobile4f6c7-line); border-radius: 12px; background: #404040; color: var(--mobile4f6c7-ink); cursor: pointer; display: grid; place-items: center; }
.mobile4f6c7-menu-ico, .mobile4f6c7-menu-ico::before, .mobile4f6c7-menu-ico::after { display: block; width: 20px; height: 2px; background: currentColor; border-radius: 2px; transition: transform .2s ease; content: ""; }
.mobile4f6c7-menu-ico { position: relative; }
.mobile4f6c7-menu-ico::before { position: absolute; top: -7px; }
.mobile4f6c7-menu-ico::after { position: absolute; top: 7px; }
.mobile4f6c7-menu-btn[aria-expanded="true"] .mobile4f6c7-menu-ico { background: transparent; }
.mobile4f6c7-menu-btn[aria-expanded="true"] .mobile4f6c7-menu-ico::before { transform: translateY(7px) rotate(45deg); }
.mobile4f6c7-menu-btn[aria-expanded="true"] .mobile4f6c7-menu-ico::after { transform: translateY(-7px) rotate(-45deg); }
.mobile4f6c7-drawer { display: none; padding: 0 12px 13px; }
.mobile4f6c7-drawer.mobile4f6c7-open { display: block; animation: mobile4f6c7-rise .2s ease both; }
.mobile4f6c7-drawer-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; }
.mobile4f6c7-drawer-grid a { min-height: 44px; display: flex; align-items: center; padding: 8px 10px; background: #414141; border: 1px solid var(--mobile4f6c7-line); border-radius: 10px; color: var(--mobile4f6c7-ink); text-decoration: none; font-size: .86rem; }
.mobile4f6c7-drawer-grid a[aria-current="page"] { background: var(--mobile4f6c7-ink); color: var(--mobile4f6c7-deep); }
main { padding: 14px 12px 0; }
.mobile4f6c7-hero { padding: 24px 6px 16px; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.02em; }
h1 { margin: 0 0 13px; font-size: clamp(1.62rem, 6.5vw, 2.5rem); color: #fff; }
h2 { margin: 0 0 9px; font-size: clamp(1.2rem, 5vw, 1.75rem); color: #d8ffff; }
h3 { margin: 0 0 7px; font-size: 1rem; color: #bceeee; }
p { margin: 0 0 12px; }
.mobile4f6c7-lede { max-width: 66ch; color: #c6e5e5; font-size: .97rem; }
.mobile4f6c7-cta-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 15px; }
.mobile4f6c7-carousel { margin: 5px 0 18px; }
.mobile4f6c7-frame { overflow: hidden; border: 1px solid rgba(224,255,255,.28); border-radius: 18px; background: #252525; box-shadow: 0 14px 35px rgba(0,0,0,.24); }
.mobile4f6c7-track { display: flex; transform: translateX(0); transition: transform .45s ease; }
.mobile4f6c7-slide { position: relative; flex: 0 0 100%; min-width: 0; padding: 0; border: 0; background: #252525; color: inherit; cursor: pointer; text-align: left; }
.mobile4f6c7-slide img { display: block; width: 100%; height: clamp(145px, 40vw, 265px); object-fit: cover; opacity: .83; }
.mobile4f6c7-slide-cap { position: absolute; inset: auto 0 0; display: block; padding: 25px 14px 12px; background: linear-gradient(transparent, rgba(0,0,0,.9)); }
.mobile4f6c7-slide-cap strong, .mobile4f6c7-slide-cap em { display: block; }
.mobile4f6c7-slide-cap strong { color: #fff; font-size: 1rem; }
.mobile4f6c7-slide-cap em { color: #d1f5f5; font-size: .76rem; font-style: normal; }
.mobile4f6c7-dots { display: flex; justify-content: center; gap: 8px; padding: 9px; }
.mobile4f6c7-dot { width: 10px; height: 10px; min-height: 10px; padding: 0; border: 0; border-radius: 50%; background: #668080; cursor: pointer; }
.mobile4f6c7-dot.mobile4f6c7-on { width: 26px; border-radius: 8px; background: var(--mobile4f6c7-teal); }
.mobile4f6c7-chiprow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 0; margin: 0 0 20px; list-style: none; }
.mobile4f6c7-chip { min-width: 0; padding: 9px 5px; text-align: center; border: 1px solid var(--mobile4f6c7-line); border-radius: 12px; background: rgba(95,158,160,.11); }
.mobile4f6c7-chip strong, .mobile4f6c7-chip span { display: block; }
.mobile4f6c7-chip strong { color: #fff; font-size: .95rem; }
.mobile4f6c7-chip span { color: var(--mobile4f6c7-muted); font-size: .67rem; line-height: 1.3; }
.mobile4f6c7-sec { margin: 22px 0; padding: 16px 12px; border-left: 3px solid var(--mobile4f6c7-teal); background: rgba(51,51,51,.72); border-radius: 0 16px 16px 0; }
.mobile4f6c7-sec-note { color: #bfdddd; font-size: .89rem; }
.mobile4f6c7-count { display: inline-block; margin: 0 0 10px; color: #93d3d3; font-size: .75rem; font-weight: 800; }
.mobile4f6c7-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; }
.mobile4f6c7-game { min-width: 0; padding: 0; overflow: hidden; border: 1px solid rgba(224,255,255,.13); border-radius: 10px; background: #282828; color: var(--mobile4f6c7-ink); cursor: pointer; text-align: left; transition: transform .18s ease, border-color .18s ease; }
.mobile4f6c7-game:hover { transform: translateY(-3px); border-color: var(--mobile4f6c7-teal); }
.mobile4f6c7-game img { display: block; aspect-ratio: 1 / 1; width: 100%; object-fit: cover; }
.mobile4f6c7-game-bar { display: block; min-height: 33px; padding: 4px 4px 5px; color: #e7ffff; font-size: .68rem; line-height: 1.25; overflow-wrap: anywhere; }
.mobile4f6c7-hl, .mobile4f6c7-rel, .mobile4f6c7-facts { display: grid; gap: 8px; padding: 0; margin: 12px 0 0; list-style: none; }
.mobile4f6c7-hl li, .mobile4f6c7-rel li, .mobile4f6c7-facts li { padding: 10px; border: 1px solid var(--mobile4f6c7-line); border-radius: 11px; background: rgba(95,158,160,.08); }
.mobile4f6c7-hl p { margin: 3px 0 0; color: #c3dfdf; font-size: .86rem; }
.mobile4f6c7-feat { display: grid; gap: 6px; }
.mobile4f6c7-feat-row { display: grid; grid-template-columns: 30% 1fr; gap: 8px; padding: 9px 0; border-bottom: 1px solid var(--mobile4f6c7-line); font-size: .84rem; }
.mobile4f6c7-feat-row b { color: #a7ffff; }
.mobile4f6c7-feat-row span { color: #c3dfdf; }
.mobile4f6c7-offer { display: grid; gap: 8px; }
.mobile4f6c7-offer-item { padding: 11px; border: 1px solid rgba(224,255,255,.2); border-radius: 11px; background: linear-gradient(120deg, rgba(111,78,55,.48), rgba(95,158,160,.12)); }
.mobile4f6c7-offer-item b, .mobile4f6c7-offer-item span { display: block; }
.mobile4f6c7-offer-item span { margin-top: 3px; color: #c8e1e1; font-size: .85rem; }
.mobile4f6c7-xfoot { margin: 28px -12px 0; padding: 20px 14px 26px; background: #202020; border-top: 1px solid var(--mobile4f6c7-line); }
.mobile4f6c7-xfoot-brand { color: #c5dede; font-size: .88rem; }
.mobile4f6c7-xfoot h3 { margin-top: 18px; }
.mobile4f6c7-xfoot-promos { display: grid; gap: 7px; padding: 0; margin: 0; list-style: none; }
.mobile4f6c7-xfoot-promos button { width: 100%; min-height: 54px; display: flex; align-items: center; gap: 10px; padding: 8px 10px; border: 1px solid var(--mobile4f6c7-line); border-radius: 12px; background: #343434; color: var(--mobile4f6c7-ink); text-align: left; cursor: pointer; }
.mobile4f6c7-xfoot-promos svg { flex: 0 0 23px; width: 23px; height: 23px; color: #9efafa; }
.mobile4f6c7-xfoot-promos span { font-weight: 800; font-size: .86rem; }
.mobile4f6c7-xfoot-promos small { display: block; color: #a9caca; font-weight: 400; font-size: .7rem; }
.mobile4f6c7-xfoot-dir { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; }
.mobile4f6c7-xfoot-dir a { padding: 8px; border-bottom: 1px solid var(--mobile4f6c7-line); font-size: .78rem; }
.mobile4f6c7-xfoot-note { margin-top: 18px; color: #b9caca; font-size: .76rem; }
.mobile4f6c7-foot { padding: 20px 12px; text-align: center; color: #a8c2c2; font-size: .76rem; }
.mobile4f6c7-bnav { position: fixed; z-index: 30; bottom: 0; left: 50%; width: min(100%, 760px); transform: translateX(-50%); display: grid; grid-template-columns: repeat(5, 1fr); gap: 3px; padding: 7px 7px calc(7px + env(safe-area-inset-bottom)); background: rgba(25,25,25,.98); border-top: 1px solid var(--mobile4f6c7-line); box-shadow: 0 -8px 25px rgba(0,0,0,.3); }
.mobile4f6c7-bnav-item { min-width: 0; min-height: 54px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; border: 1px solid transparent; border-radius: 11px; background: transparent; color: #a6c1c1; text-decoration: none; cursor: pointer; }
.mobile4f6c7-bnav-item:hover, .mobile4f6c7-bnav-item.mobile4f6c7-on { background: var(--mobile4f6c7-ink); color: var(--mobile4f6c7-deep); }
.mobile4f6c7-bnav-ico { display: grid; place-items: center; width: 25px; height: 25px; }
.mobile4f6c7-bnav-ico svg { width: 21px; height: 21px; }
.mobile4f6c7-bnav-txt { overflow: hidden; max-width: 100%; font-size: .62rem; font-weight: 800; text-overflow: ellipsis; white-space: nowrap; }

/* Help pages use a reading rail, while the home page keeps its game-first rhythm. */
.mobile4f6c7-help-shell { padding: 20px 4px 10px; }
.mobile4f6c7-help-kicker { color: #98dede; font-size: .78rem; letter-spacing: .08em; font-weight: 900; text-transform: uppercase; }
.mobile4f6c7-help-intro { color: #c8e2e2; font-size: .95rem; }
.mobile4f6c7-help-section { margin: 22px 0; padding: 16px 13px; background: rgba(30,30,30,.62); border: 1px solid var(--mobile4f6c7-line); border-radius: 16px; }
.mobile4f6c7-help-section h2 { padding-bottom: 8px; border-bottom: 1px solid rgba(95,158,160,.45); }
.mobile4f6c7-help-section p { color: #c7dddd; font-size: .9rem; }
.mobile4f6c7-review-grid { display: grid; gap: 8px; margin-top: 12px; }
.mobile4f6c7-review-row { display: grid; grid-template-columns: 37% 1fr; gap: 9px; padding: 10px; background: #414141; border-left: 3px solid var(--mobile4f6c7-teal); border-radius: 8px; font-size: .83rem; }
.mobile4f6c7-review-row strong { color: #b6ffff; }
.mobile4f6c7-review-row span { color: #c7dddd; }
.mobile4f6c7-checklist { display: grid; gap: 9px; margin: 12px 0 0; padding: 0; list-style: none; counter-reset: mobile4f6c7-check; }
.mobile4f6c7-checklist li { counter-increment: mobile4f6c7-check; position: relative; padding: 11px 11px 11px 42px; background: rgba(95,158,160,.1); border-radius: 10px; color: #d4eeee; font-size: .87rem; }
.mobile4f6c7-checklist li::before { content: counter(mobile4f6c7-check, decimal-leading-zero); position: absolute; left: 11px; top: 10px; color: #9cf6f6; font-weight: 900; }
.mobile4f6c7-criteria { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-top: 12px; }
.mobile4f6c7-criterion { padding: 11px 9px; border-top: 3px solid var(--mobile4f6c7-brown); background: #3d3936; border-radius: 8px; }
.mobile4f6c7-criterion b { display: block; color: #e2ffff; font-size: .84rem; }
.mobile4f6c7-criterion span { display: block; margin-top: 3px; color: #c5d4d4; font-size: .77rem; line-height: 1.45; }
.mobile4f6c7-promo-strip { display: grid; grid-template-columns: repeat(2, 1fr); gap: 7px; margin-top: 12px; }
.mobile4f6c7-promo-strip button { min-height: 54px; padding: 8px; border: 1px solid rgba(224,255,255,.25); border-radius: 10px; background: linear-gradient(135deg, #5f9ea0, #000080); color: #fff; cursor: pointer; font-weight: 800; font-size: .78rem; }
.mobile4f6c7-promo-strip button:last-child { grid-column: 1 / -1; background: #6f4e37; }
.mobile4f6c7-faq-list { display: grid; gap: 7px; margin-top: 12px; }
.mobile4f6c7-faq-list details { padding: 10px 11px; background: #3d3d3d; border-radius: 9px; }
.mobile4f6c7-faq-list summary { min-height: 30px; cursor: pointer; color: #d9ffff; font-weight: 800; font-size: .87rem; }
.mobile4f6c7-faq-list p { margin: 8px 0 0; font-size: .83rem; }
.mobile4f6c7-about-hero { position: relative; padding: 21px 14px 17px; background: linear-gradient(135deg, rgba(95,158,160,.4), rgba(0,0,128,.48)); border-radius: 18px; overflow: hidden; }
.mobile4f6c7-about-hero::after { content: ""; position: absolute; width: 120px; height: 120px; right: -40px; top: -45px; border: 18px solid rgba(224,255,255,.11); border-radius: 50%; }
.mobile4f6c7-about-hero > * { position: relative; z-index: 1; }
.mobile4f6c7-facts-band { display: grid; grid-template-columns: repeat(3, 1fr); gap: 7px; margin: 14px 0; }
.mobile4f6c7-fact { padding: 10px 6px; text-align: center; background: #292929; border-radius: 10px; }
.mobile4f6c7-fact strong, .mobile4f6c7-fact span { display: block; }
.mobile4f6c7-fact strong { color: #a9ffff; font-size: 1.08rem; }
.mobile4f6c7-fact span { color: #b9d0d0; font-size: .68rem; line-height: 1.3; }
.mobile4f6c7-steps { display: grid; gap: 0; margin-top: 13px; }
.mobile4f6c7-step { position: relative; display: grid; grid-template-columns: 42px 1fr; gap: 10px; min-height: 88px; }
.mobile4f6c7-step:not(:last-child)::before { content: ""; position: absolute; left: 20px; top: 40px; bottom: 0; width: 2px; background: var(--mobile4f6c7-teal); }
.mobile4f6c7-step-num { position: relative; z-index: 1; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--mobile4f6c7-teal); color: #152727; font-weight: 900; }
.mobile4f6c7-step-body { padding-bottom: 13px; }
.mobile4f6c7-step-body b { display: block; color: #d6ffff; }
.mobile4f6c7-step-body p { margin-top: 3px; font-size: .84rem; }
.mobile4f6c7-support-box { display: grid; gap: 8px; padding: 12px; background: #332d28; border-radius: 12px; }
.mobile4f6c7-support-line { display: grid; grid-template-columns: 31% 1fr; gap: 8px; padding-bottom: 7px; border-bottom: 1px solid rgba(224,255,255,.15); font-size: .83rem; }
.mobile4f6c7-support-line b { color: #b5ffff; }
.mobile4f6c7-support-line span { color: #d0dcdc; }
.mobile4f6c7-qa { display: grid; gap: 7px; margin-top: 12px; }
.mobile4f6c7-qa-item { padding: 10px; border-radius: 10px; background: rgba(95,158,160,.12); }
.mobile4f6c7-qa-item b { display: block; color: #e0ffff; font-size: .86rem; }
.mobile4f6c7-qa-item span { display: block; margin-top: 4px; color: #c5dddd; font-size: .83rem; }
.mobile4f6c7-entity-map { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-top: 12px; }
.mobile4f6c7-entity-map span { padding: 8px 9px; border: 1px solid var(--mobile4f6c7-line); border-radius: 999px; color: #d4ffff; background: #3a3a3a; font-size: .77rem; }
.mobile4f6c7-entity-map i { color: #8fdada; font-style: normal; }

@keyframes mobile4f6c7-rise { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }
@media (min-width: 560px) {
  main { padding-left: 18px; padding-right: 18px; }
  .mobile4f6c7-xfoot { margin-left: -18px; margin-right: -18px; padding-left: 20px; padding-right: 20px; }
  .mobile4f6c7-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .mobile4f6c7-sec { padding: 18px 15px; }
}
@media (max-width: 350px) {
  .mobile4f6c7-actions .mobile4f6c7-btn { padding-left: 9px; padding-right: 9px; font-size: .74rem; }
  .mobile4f6c7-chiprow { grid-template-columns: repeat(2, 1fr); }
  .mobile4f6c7-grid { gap: 5px; }
  .mobile4f6c7-game-bar { font-size: .62rem; }
}