/* ============================================================
 * 33db.homes - canvas stylesheet
 * Prefix: va61-  (all classes + CSS variables)
 * Palette: #20B2AA | #4B0082 | #3A3A3A | #F08080 | #6A5ACD
 * Mobile canvas 320-430px; centered on wider screens.
 * ============================================================ */

:root {
  --va61-bg:        #2b2b30;
  --va61-bg-2:      #1f1f24;
  --va61-bg-3:      #3A3A3A;
  --va61-indigo:    #4B0082;
  --va61-indigo-2:  #5a0a9c;
  --va61-mint:      #20B2AA;
  --va61-coral:     #F08080;
  --va61-slate:     #6A5ACD;
  --va61-text:      #f4f3f7;
  --va61-text-dim:  #b9b6c6;
  --va61-line:      rgba(255,255,255,.10);
  --va61-card:      #34343c;
  --va61-radius:    14px;
  --va61-gap:       12px;
  --va61-touch:     44px;
  --va61-shadow:    0 8px 22px rgba(0,0,0,.42);
  --va61-glow-mint: 0 0 12px rgba(32,178,170,.65);
  --va61-glow-coral:0 0 12px rgba(240,128,128,.55);
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--va61-bg);
  color: var(--va61-text);
  font-family: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

img { max-width: 100%; display: block; }
a { color: var(--va61-mint); text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--va61-mint);
  outline-offset: 2px;
}

/* Mobile-first outer stage: fixed 430px max, centered on wide screens. */
.va61-stage {
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(75,0,130,.55) 0%, rgba(75,0,130,0) 60%),
    linear-gradient(180deg, #211a32 0%, #1f1f24 45%, #26242b 100%);
  position: relative;
  box-shadow: 0 0 40px rgba(0,0,0,.5);
  overflow: hidden;
}

.va61-page {
  padding-bottom: 86px; /* clearance for fixed bottom nav */
}

/* ===================== Header (居中身份栈) ===================== */
.va61-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(33,26,50,.96), rgba(33,26,50,.86));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--va61-line);
}

.va61-identity {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 12px 6px;
}

.va61-logo-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.va61-logo-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--va61-mint), var(--va61-slate));
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #fff;
  font-size: 14px;
  letter-spacing: .5px;
  box-shadow: var(--va61-glow-mint);
}

.va61-brand {
  font-weight: 800;
  font-size: 19px;
  letter-spacing: 1px;
  color: #fff;
}
.va61-brand span { color: var(--va61-coral); }

.va61-tagline {
  font-size: 11px;
  color: var(--va61-text-dim);
  letter-spacing: .6px;
}

.va61-action-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 12px 8px;
}

.va61-btn {
  min-height: var(--va61-touch);
  border: none;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  padding: 9px 18px;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-family: inherit;
}
.va61-btn:active { transform: translateY(1px) scale(.98); }

.va61-btn-register {
  background: linear-gradient(135deg, var(--va61-coral), #d65a5a);
  color: #fff;
  box-shadow: var(--va61-glow-coral);
}
.va61-btn-register:hover { box-shadow: 0 0 16px rgba(240,128,128,.85); }

.va61-btn-login {
  background: transparent;
  color: var(--va61-mint);
  border: 1.5px solid var(--va61-mint);
}
.va61-btn-login:hover { background: rgba(32,178,170,.14); }

.va61-menu-btn {
  position: absolute;
  top: 10px;
  left: 10px;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--va61-line);
  background: rgba(255,255,255,.06);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
}
.va61-menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: #fff;
  position: relative;
  transition: transform .25s ease;
}
.va61-menu-btn span::before,
.va61-menu-btn span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: #fff;
}
.va61-menu-btn span::before { top: -6px; }
.va61-menu-btn span::after  { top: 6px; }
.va61-menu-active span { background: transparent; }
.va61-menu-active span::before { transform: translateY(6px) rotate(45deg); }
.va61-menu-active span::after  { transform: translateY(-6px) rotate(-45deg); }

/* ===================== Expandable nav (展开式导航栏) ========= */
.va61-nav-wrap {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, #2a2342, #211c30);
  border-bottom: 1px solid var(--va61-line);
  max-height: 0;
  overflow: hidden;
  transition: max-height .32s ease;
  z-index: 55;
}
.va61-nav-open { max-height: 540px; }

.va61-nav-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  padding: 12px;
}

.va61-nav-grid a {
  display: block;
  min-height: var(--va61-touch);
  padding: 10px 12px;
  border-radius: 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--va61-line);
  color: var(--va61-text);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
}
.va61-nav-grid a:hover {
  background: rgba(32,178,170,.14);
  border-color: rgba(32,178,170,.5);
}

.va61-nav-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--va61-coral);
  padding: 6px 14px 4px;
  margin: 0;
}

/* ===================== Hero / carousel ====================== */
.va61-hero {
  position: relative;
  margin: 12px;
  border-radius: var(--va61-radius);
  overflow: hidden;
  box-shadow: var(--va61-shadow);
  border: 1px solid var(--va61-line);
}
.va61-hero-viewport {
  overflow: hidden;
  border-radius: var(--va61-radius);
}
.va61-hero-track {
  display: flex;
  transition: transform .5s ease;
  will-change: transform;
}
.va61-slide {
  flex: 0 0 100%;
  position: relative;
}
.va61-slide img {
  width: 100%;
  height: 168px;
  object-fit: cover;
  display: block;
}
.va61-slide-float {
  position: absolute;
  inset: auto 0 0 0;
  padding: 26px 14px 12px;
  background: linear-gradient(0deg, rgba(0,0,0,.82), rgba(0,0,0,0));
  color: #fff;
}
.va61-slide-float h2 {
  margin: 0 0 4px;
  font-size: 17px;
  letter-spacing: .3px;
}
.va61-slide-float p {
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--va61-text-dim);
}
.va61-slide-float .va61-btn {
  padding: 7px 14px;
  font-size: 12.5px;
  background: var(--va61-coral);
  color: #fff;
  box-shadow: var(--va61-glow-coral);
}
.va61-hero-dots {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
  z-index: 3;
}
.va61-hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,.45);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: background .2s ease, transform .2s ease;
}
.va61-dot-active {
  background: var(--va61-mint);
  transform: scale(1.35);
  box-shadow: var(--va61-glow-mint);
}

/* ===================== Section shells ======================= */
.va61-section {
  margin: 18px 12px 0;
}
.va61-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 10px;
}
.va61-section-head h2 {
  margin: 0;
  font-size: 17px;
  color: #fff;
  position: relative;
  padding-left: 12px;
}
.va61-section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--va61-mint), var(--va61-coral));
}
.va61-section-head .va61-more {
  font-size: 12px;
  color: var(--va61-coral);
  font-weight: 600;
}

/* ===================== Game grid ============================ */
.va61-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.va61-grid-5 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
@media (min-width: 360px) {
  .va61-grid-5 { grid-template-columns: repeat(5, 1fr); }
}

.va61-game {
  background: var(--va61-card);
  border: 1px solid var(--va61-line);
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  display: block;
  text-align: center;
  position: relative;
  transition: transform .15s ease, box-shadow .2s ease, border-color .2s ease;
}
.va61-game:hover {
  transform: translateY(-2px);
  border-color: rgba(32,178,170,.55);
  box-shadow: var(--va61-glow-mint);
}
.va61-game-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #15141b;
}
.va61-game-name {
  font-size: 11px;
  color: var(--va61-text);
  padding: 5px 4px 7px;
  line-height: 1.25;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 32px;
}
.va61-badge {
  position: absolute;
  top: 4px;
  left: 4px;
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 6px;
  font-weight: 700;
  letter-spacing: .3px;
}
.va61-badge-hot   { background: var(--va61-coral); color: #fff; }
.va61-badge-new   { background: var(--va61-mint); color: #062323; }
.va61-badge-vip   { background: linear-gradient(135deg, #f3c969, #b8860b); color: #2a1d00; }

/* ===================== Category strip ====================== */
.va61-catstrip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 12px 10px;
  scrollbar-width: none;
}
.va61-catstrip::-webkit-scrollbar { display: none; }
.va61-cat-pill {
  flex: 0 0 auto;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--va61-line);
  color: var(--va61-text-dim);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
}
.va61-cat-pill:hover { color: #fff; border-color: var(--va61-mint); }

/* ===================== CTA block ============================ */
.va61-cta {
  margin: 22px 12px 0;
  padding: 16px;
  border-radius: var(--va61-radius);
  background: linear-gradient(135deg, rgba(75,0,130,.65), rgba(106,90,205,.45));
  border: 1px solid rgba(106,90,205,.6);
  text-align: center;
  box-shadow: var(--va61-shadow);
}
.va61-cta h3 {
  margin: 0 0 4px;
  font-size: 17px;
  color: #fff;
}
.va61-cta p {
  margin: 0 0 12px;
  font-size: 12.5px;
  color: var(--va61-text-dim);
}
.va61-cta .va61-btn { font-size: 14.5px; padding: 11px 26px; }

/* ===================== Promo cards ========================== */
.va61-promo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.va61-promo-card {
  border-radius: 12px;
  background: var(--va61-card);
  border: 1px solid var(--va61-line);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: border-color .2s ease, transform .15s ease;
}
.va61-promo-card:hover { border-color: var(--va61-coral); transform: translateY(-2px); }
.va61-promo-card .va61-tag {
  font-size: 10px;
  font-weight: 700;
  color: var(--va61-coral);
  letter-spacing: .6px;
}
.va61-promo-card h4 { margin: 0; font-size: 13.5px; color: #fff; }
.va61-promo-card p { margin: 0; font-size: 11.5px; color: var(--va61-text-dim); }

/* ===================== Style highlights ===================== */
.va61-styles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.va61-style-tile {
  background: var(--va61-card);
  border: 1px solid var(--va61-line);
  border-radius: 12px;
  padding: 12px;
  position: relative;
  overflow: hidden;
}
.va61-style-tile .va61-icon-dot {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--va61-mint), var(--va61-slate));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 13px;
  margin-bottom: 8px;
}
.va61-style-tile h4 { margin: 0 0 4px; font-size: 13px; color: #fff; }
.va61-style-tile p { margin: 0; font-size: 11.5px; color: var(--va61-text-dim); }

/* ===================== SEO text block ======================= */
.va61-seo-text {
  margin: 22px 12px 0;
  padding: 14px 14px 16px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--va61-line);
  border-radius: var(--va61-radius);
}
.va61-seo-text h3 {
  margin: 0 0 8px;
  font-size: 15px;
  color: #fff;
}
.va61-seo-text p {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--va61-text-dim);
}
.va61-seo-text a { color: var(--va61-mint); font-weight: 600; }

/* ===================== Extended footer ====================== */
.va61-extend {
  margin: 22px 12px 0;
  padding: 16px;
  background: linear-gradient(180deg, #2a2342, #211c30);
  border: 1px solid var(--va61-line);
  border-radius: var(--va61-radius);
}
.va61-extend h3 {
  margin: 0 0 10px;
  font-size: 14.5px;
  color: #fff;
  letter-spacing: .4px;
}
.va61-brand-intro {
  font-size: 12.5px;
  color: var(--va61-text-dim);
  margin: 0 0 14px;
}
.va61-extend h4 {
  margin: 12px 0 6px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1.1px;
  color: var(--va61-coral);
}
.va61-extend-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 4px 0 12px;
}
.va61-extend-cta .va61-btn {
  font-size: 12.5px;
  padding: 9px 8px;
  min-height: 40px;
}
.va61-extend-cta .va61-mini-promo {
  background: rgba(240,128,128,.16);
  border: 1px solid rgba(240,128,128,.5);
  color: #fff;
}
.va61-extend-cta .va61-mini-promo:hover { background: rgba(240,128,128,.28); }

.va61-link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.va61-link-list li a {
  display: block;
  padding: 8px 10px;
  font-size: 12px;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--va61-line);
  border-radius: 8px;
  color: var(--va61-text);
  min-height: 36px;
}
.va61-link-list li a:hover { color: var(--va61-mint); border-color: var(--va61-mint); }

.va61-disclaimer {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--va61-line);
  font-size: 11px;
  color: var(--va61-text-dim);
}

/* ===================== Footer ============================== */
.va61-footer {
  margin: 22px 12px 0;
  padding: 14px 12px 6px;
  background: var(--va61-bg-2);
  border: 1px solid var(--va61-line);
  border-radius: var(--va61-radius);
}
.va61-footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 12px;
  margin: 0 0 10px;
}
.va61-footer-nav a {
  color: var(--va61-text-dim);
  font-size: 11.5px;
}
.va61-footer-nav a:hover { color: var(--va61-mint); }
.va61-footer-copy {
  text-align: center;
  font-size: 11px;
  color: var(--va61-text-dim);
  margin: 0;
}

/* ===================== Back to top ========================= */
.va61-totop {
  position: fixed;
  right: 14px;
  bottom: 96px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--va61-indigo);
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 40;
  display: grid;
  place-items: center;
}
.va61-totop-show { opacity: 1; pointer-events: auto; }
.va61-totop:hover { transform: translateY(-2px); box-shadow: 0 0 14px rgba(106,90,205,.7); }

/* ===================== Bottom nav (描边功能栏) ============ */
.va61-bottomnav {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 70;
  display: flex;
  justify-content: center;
}
.va61-bottomnav-inner {
  width: 100%;
  max-width: 430px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(20,18,28,.97);
  border-top: 1px solid var(--va61-line);
  padding: 4px 4px calc(4px + env(safe-area-inset-bottom));
  backdrop-filter: blur(10px);
}
.va61-bottomnav-item {
  background: transparent;
  border: none;
  color: var(--va61-text-dim);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  padding: 6px 2px;
  min-height: 56px;
  font-size: 10px;
  font-weight: 600;
  cursor: pointer;
  position: relative;
  font-family: inherit;
  text-decoration: none;
}
.va61-bottomnav-item .va61-bn-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  color: #b9b6c6;
  transition: color .2s ease, transform .15s ease;
}
.va61-bottomnav-item .va61-bn-icon svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.va61-bottomnav-item .va61-bn-label { color: inherit; letter-spacing: .2px; }
.va61-bottomnav-item:hover { color: #fff; }
.va61-bottomnav-item:hover .va61-bn-icon { color: var(--va61-mint); }

.va61-bottomnav-active {
  color: #fff;
}
.va61-bottomnav-active .va61-bn-icon {
  color: var(--va61-mint);
  transform: translateY(-1px);
}
.va61-bottomnav-active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--va61-mint);
  box-shadow: var(--va61-glow-mint);
}
.va61-bottomnav-promo {
  position: relative;
}
.va61-bottomnav-promo::after {
  content: "";
  position: absolute;
  top: 6px;
  right: 18px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--va61-coral);
  box-shadow: var(--va61-glow-coral);
}

/* Hide desktop-only helpers; we are mobile-only but centered */
@media (min-width: 431px) {
  body { background: #15131a; }
}

/* Visually hidden helper */
.va61-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}