/* ================================================================
   QUAY SỐ THỬ — Brand CSS v2.0
   Domain: quaysothu.com  |  Dark Purple / Vibe Premium
   ================================================================ */

/* ── CSS Variables ─────────────────────────────────────────────── */
:root {
  --qst-bg:            #090314;
  --qst-bg-card:       #0f0720;
  --qst-bg-raised:     #180d2e;
  --qst-purple:        #7c3aed;
  --qst-purple-dark:   #5b21b6;
  --qst-purple-light:  #a855f7;
  --qst-purple-ultra:  #c084fc;
  --qst-amber:         #f59e0b;
  --qst-amber-light:   #fcd34d;
  --qst-fuchsia:       #e879f9;
  --qst-cyan:          #22d3ee;
  --qst-green:         #10b981;
  --qst-red:           #ef4444;
  --qst-text:          #f1f5f9;
  --qst-text-muted:    #8896aa;
  --qst-border:        rgba(124,58,237,.28);
  --qst-border-glow:   rgba(124,58,237,.65);
  --qst-glow:          0 0 32px rgba(124,58,237,.5);
  --qst-glow-lg:       0 0 56px rgba(124,58,237,.65);
  --qst-glow-amber:    0 0 32px rgba(245,158,11,.65);
  --qst-glow-fuchsia:  0 0 28px rgba(232,121,249,.55);
  --qst-radius:        14px;
  --qst-radius-sm:     9px;
  --qst-radius-lg:     22px;
}

/* ── Global ────────────────────────────────────────────────────── */
body {
  background: var(--qst-bg) !important;
  color: var(--qst-text) !important;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif !important;
}

/* ── Header ────────────────────────────────────────────────────── */
header {
  background: linear-gradient(135deg,
    rgba(91,33,182,.98) 0%,
    rgba(9,3,20,.99)   55%,
    rgba(9,3,20,1)     100%) !important;
  border-bottom: 1px solid var(--qst-border-glow) !important;
  box-shadow: 0 4px 32px rgba(124,58,237,.4) !important;
}

/* ── Logo monogram ─────────────────────────────────────────────── */
.logo img { display: none !important; }
.logo a.txtlogo::before {
  content: "QST";
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--qst-purple) 0%, var(--qst-fuchsia) 100%);
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: -.5px;
  flex-shrink: 0;
  box-shadow: var(--qst-glow), inset 0 1px 0 rgba(255,255,255,.2);
}
.logo a.txtlogo {
  display: inline-flex !important;
  align-items: center; gap: 12px;
  text-decoration: none !important;
}
.logo-brand-text strong { color: #fff !important; font-size: 17px !important; }
.logo-brand-text small  { color: var(--qst-purple-ultra) !important; }

/* ── Nav ───────────────────────────────────────────────────────── */
#nav-horizontal-list > li > a {
  color: #c4b5fd !important;
  font-weight: 600 !important;
  font-size: 14px !important;
  transition: background .2s, color .2s;
}
#nav-horizontal-list > li:hover > a,
#nav-horizontal-list > li.current-menu-item > a {
  background: var(--qst-purple) !important;
  color: #fff !important;
  box-shadow: var(--qst-glow) !important;
}
.menu-c2 {
  background: #1a0d2e !important;
  border: 1px solid var(--qst-border) !important;
  box-shadow: var(--qst-glow) !important;
}
.menu-c2 li a { color: #ddd6fe !important; font-size: 13px !important; }
.menu-c2 li a:hover { background: var(--qst-purple-dark) !important; color: #fff !important; }

/* ── Main layout ───────────────────────────────────────────────── */
.content.main { background: transparent !important; }

.tit-mien, h2.regional-title {
  background: linear-gradient(135deg, var(--qst-purple-dark) 0%, var(--qst-purple) 100%) !important;
  color: #fff !important;
  border-left: 4px solid var(--qst-fuchsia) !important;
  font-size: 16px !important;
  padding: 10px 16px !important;
}
.box {
  background: var(--qst-bg-card) !important;
  border: 1px solid var(--qst-border) !important;
  border-radius: var(--qst-radius) !important;
  box-shadow: 0 4px 24px rgba(0,0,0,.5) !important;
}

/* ── Sidebar ───────────────────────────────────────────────────── */
.sb-region-tag.sb-mb { background: var(--qst-purple) !important; }
.sb-region-tag.sb-mt { background: var(--qst-cyan) !important; color: #000 !important; }
.sb-region-tag.sb-mn { background: var(--qst-green) !important; }
.sb-today-label { color: var(--qst-amber) !important; font-weight: 700; }
.sb-today-row td { background: rgba(124,58,237,.2) !important; color: var(--qst-purple-light) !important; }
.sb-quicklinks li a { color: #c4b5fd !important; }
.sb-quicklinks li a:hover { color: var(--qst-fuchsia) !important; }

/* ── Footer ────────────────────────────────────────────────────── */
.site-footer {
  background: linear-gradient(180deg, #0d0618 0%, #060010 100%) !important;
  border-top: 2px solid var(--qst-border-glow) !important;
}
.footer-logo   { color: var(--qst-purple-light) !important; }
.footer-logo:hover { color: var(--qst-fuchsia) !important; }
.footer-col h4 { color: var(--qst-amber) !important; border-bottom-color: var(--qst-border) !important; }
.footer-col a  { color: var(--qst-text-muted) !important; }
.footer-col a:hover { color: var(--qst-purple-light) !important; }
.footer-bottom { border-top-color: var(--qst-border) !important; background: rgba(0,0,0,.4) !important; }
.footer-bottom-inner p { color: #64748b !important; }
.footer-bottom a { color: var(--qst-text-muted) !important; }

/* ── Header search ─────────────────────────────────────────────── */
.header-search-input {
  background: rgba(124,58,237,.15) !important;
  border-color: var(--qst-border) !important;
  color: #fff !important;
}
.header-search-input::placeholder { color: #a78bfa !important; }
.header-search-btn { color: #a78bfa !important; }
.header-search-input:focus {
  background: rgba(124,58,237,.25) !important;
  border-color: var(--qst-purple-light) !important;
}


/* ================================================================
   QUAY SỐ THỬ WIDGET — Page template
   ================================================================ */

/* ── Single-column layout ──────────────────────────────────────── */
.qst-single-col {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  float: none !important;
  display: block !important;
}
.qst-single-col .col-l {
  width: 100% !important;
  max-width: 100% !important;
  float: none !important;
  padding: 0 !important;
}

/* ── Hero banner ───────────────────────────────────────────────── */
.qst-hero {
  text-align: center;
  padding: 40px 24px 32px;
  background:
    radial-gradient(ellipse 70% 60% at 50% -20%, rgba(124,58,237,.4) 0%, transparent 65%),
    linear-gradient(135deg, rgba(91,33,182,.12) 0%, rgba(232,121,249,.06) 100%);
  border-radius: var(--qst-radius-lg);
  border: 1px solid var(--qst-border-glow);
  margin-bottom: 28px;
  position: relative;
  overflow: hidden;
}
.qst-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%237c3aed' fill-opacity='0.06'%3E%3Ccircle cx='20' cy='20' r='1.5'/%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.qst-hero-title {
  font-size: 38px;
  font-weight: 900;
  background: linear-gradient(135deg, #e9d5ff 0%, var(--qst-fuchsia) 45%, var(--qst-amber) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0 0 10px;
  line-height: 1.15;
  letter-spacing: -.5px;
  position: relative;
}
.qst-hero-subtitle {
  color: var(--qst-text-muted);
  font-size: 15px;
  margin: 0;
  line-height: 1.6;
}
@media (max-width: 600px) {
  .qst-hero { padding: 28px 16px 24px; }
  .qst-hero-title { font-size: 26px; }
}

/* ── Control bar ───────────────────────────────────────────────── */
.qst-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: var(--qst-bg-raised);
  border: 1px solid var(--qst-border);
  border-radius: var(--qst-radius);
  margin-bottom: 20px;
  box-shadow: 0 2px 16px rgba(0,0,0,.3);
}
.qst-label {
  font-size: 11.5px;
  color: var(--qst-text-muted);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  white-space: nowrap;
}
.qst-select {
  background: var(--qst-bg-card);
  border: 1.5px solid var(--qst-border);
  border-radius: var(--qst-radius-sm);
  color: var(--qst-text);
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.qst-select:focus {
  border-color: var(--qst-purple-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,.2);
}
.qst-select option { background: #1a0d2e; }

/* Count buttons */
.qst-count-btns { display: flex; gap: 7px; flex-wrap: wrap; }
.qst-count-btn {
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1.5px solid var(--qst-border);
  background: var(--qst-bg-card);
  color: var(--qst-text-muted);
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: all .2s;
  display: flex; align-items: center; justify-content: center;
}
.qst-count-btn:hover,
.qst-count-btn.active {
  background: var(--qst-purple);
  border-color: var(--qst-purple);
  color: #fff;
  box-shadow: var(--qst-glow);
  transform: translateY(-1px);
}

/* ── SPIN BUTTON — hero element ────────────────────────────────── */
.qst-spin-btn {
  margin-left: auto;
  padding: 14px 36px;
  border-radius: 50px;
  border: none;
  background: linear-gradient(135deg, var(--qst-purple) 0%, var(--qst-fuchsia) 100%);
  color: #fff;
  font-size: 17px;
  font-weight: 900;
  cursor: pointer;
  letter-spacing: .03em;
  box-shadow: var(--qst-glow), 0 4px 20px rgba(0,0,0,.4);
  transition: transform .15s, box-shadow .15s, opacity .15s;
  display: flex; align-items: center; gap: 10px;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.qst-spin-btn::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,.12) 50%, transparent 100%);
  transform: translateX(-100%);
  transition: transform .5s;
}
.qst-spin-btn:hover::after { transform: translateX(100%); }
.qst-spin-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--qst-glow-lg), 0 8px 32px rgba(0,0,0,.5);
}
.qst-spin-btn:active  { transform: scale(.97); }
.qst-spin-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.qst-spin-btn .qst-spin-icon { font-size: 22px; display: inline-block; }
.qst-spin-btn.spinning .qst-spin-icon { animation: qst-spin-rotate .5s linear infinite; }
@keyframes qst-spin-rotate { to { transform: rotate(360deg); } }

@media (max-width: 640px) {
  .qst-controls { flex-direction: column; align-items: stretch; gap: 10px; }
  .qst-spin-btn { margin-left: 0; justify-content: center; }
  .qst-count-btns { justify-content: center; }
}


/* ================================================================
   RESULT CARDS
   ================================================================ */

.qst-results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}
.qst-results-grid.single {
  grid-template-columns: 1fr;
  max-width: 600px;
  margin: 0 auto 24px;
}

/* ── Card ──────────────────────────────────────────────────────── */
.qst-card {
  background: var(--qst-bg-card);
  border: 1px solid var(--qst-border);
  border-radius: var(--qst-radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.04);
  animation: qst-card-appear .35s cubic-bezier(.22,.68,0,1.2) both;
  position: relative;
}
.qst-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--qst-purple), var(--qst-fuchsia), var(--qst-amber));
}
.qst-card:nth-child(2) { animation-delay: .06s; }
.qst-card:nth-child(3) { animation-delay: .12s; }
.qst-card:nth-child(4) { animation-delay: .18s; }
.qst-card:nth-child(n+5) { animation-delay: .22s; }
@keyframes qst-card-appear {
  from { opacity: 0; transform: translateY(20px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Card header */
.qst-card-header {
  background: linear-gradient(135deg, rgba(91,33,182,.9) 0%, rgba(124,58,237,.7) 100%);
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(168,85,247,.2);
}
.qst-card-title {
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: .01em;
}
.qst-card-badge {
  background: rgba(255,255,255,.15);
  color: #e9d5ff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,.1);
}

/* Card body */
.qst-card-body { padding: 16px 18px; }

/* ── Prize table ───────────────────────────────────────────────── */
.qst-prize-table { width: 100%; border-collapse: collapse; }
.qst-prize-table tr { transition: background .15s; }
.qst-prize-table tr:hover { background: rgba(124,58,237,.06); }
.qst-prize-table tr + tr { border-top: 1px solid rgba(124,58,237,.12); }
.qst-prize-table td { padding: 7px 8px; vertical-align: middle; }
.qst-prize-name {
  font-size: 12.5px;
  color: var(--qst-text-muted);
  font-weight: 700;
  white-space: nowrap;
  width: 56px;
  letter-spacing: .02em;
}
.qst-prize-nums {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

/* ── NUMBER SLOTS — the stars of the show ──────────────────────── */
.qst-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9px;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 2px;
  padding: 7px 14px;
  background: var(--qst-bg-raised);
  color: var(--qst-text);
  border: 1.5px solid var(--qst-border);
  min-width: 72px;
  transition: color .2s, border-color .2s, background .2s;
  font-variant-numeric: tabular-nums;
  position: relative;
}

/* ĐẶC BIỆT — the jackpot number */
.qst-num.special {
  font-size: 48px;
  color: var(--qst-amber);
  border-color: rgba(245,158,11,.5);
  border-width: 2px;
  background: radial-gradient(ellipse at 50% 100%, rgba(245,158,11,.18) 0%, rgba(245,158,11,.05) 70%, transparent 100%);
  box-shadow: var(--qst-glow-amber), inset 0 0 32px rgba(245,158,11,.08);
  padding: 10px 20px;
  min-width: 120px;
  letter-spacing: 4px;
  border-radius: 12px;
}

/* Spinning state */
.qst-num.spinning {
  color: var(--qst-purple-ultra);
  border-color: var(--qst-border-glow);
  background: rgba(124,58,237,.12);
  animation: qst-pulse .12s ease-in-out infinite alternate;
}

/* Settled animation */
.qst-num.settled {
  animation: qst-settle-pop .3s cubic-bezier(.34,1.56,.64,1) both;
}
.qst-num.special.settled {
  animation: qst-settle-pop-special .45s cubic-bezier(.34,1.56,.64,1) both;
}

@keyframes qst-pulse {
  from { transform: scale(1);    opacity: .85; }
  to   { transform: scale(1.05); opacity: 1; }
}
@keyframes qst-settle-pop {
  0%   { transform: scale(1.2);  }
  60%  { transform: scale(.97);  }
  100% { transform: scale(1);    }
}
@keyframes qst-settle-pop-special {
  0%   { transform: scale(1.35); filter: brightness(1.4); }
  50%  { transform: scale(.95);  filter: brightness(1.1); }
  75%  { transform: scale(1.04); }
  100% { transform: scale(1);    filter: brightness(1); }
}

/* ── Vietlott balls ────────────────────────────────────────────── */
.qst-num.ball {
  border-radius: 50%;
  width: 54px; height: 54px;
  min-width: 54px; max-width: 54px;
  padding: 0;
  font-size: 19px;
  letter-spacing: 0;
  background: linear-gradient(145deg, var(--qst-purple) 0%, var(--qst-fuchsia) 100%);
  border: 2px solid rgba(168,85,247,.5);
  color: #fff;
  box-shadow: var(--qst-glow), inset 0 2px 4px rgba(255,255,255,.25);
}
.qst-num.ball.special {
  background: linear-gradient(145deg, var(--qst-amber) 0%, #ef4444 100%);
  border-color: rgba(245,158,11,.6);
  box-shadow: var(--qst-glow-amber), inset 0 2px 4px rgba(255,255,255,.25);
  font-size: 21px;
  width: 60px; height: 60px; min-width: 60px;
  color: #fff;
}

/* ── Copy button ───────────────────────────────────────────────── */
.qst-copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-top: 14px;
  padding: 9px;
  background: rgba(124,58,237,.1);
  border: 1px solid var(--qst-border);
  border-radius: var(--qst-radius-sm);
  color: var(--qst-purple-light);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: background .2s, color .2s, border-color .2s;
}
.qst-copy-btn:hover {
  background: rgba(124,58,237,.22);
  border-color: var(--qst-purple-light);
  color: #fff;
}
.qst-copy-btn.copied {
  background: rgba(16,185,129,.15);
  color: var(--qst-green);
  border-color: rgba(16,185,129,.35);
}

/* ── Responsive — numbers ──────────────────────────────────────── */
@media (max-width: 480px) {
  .qst-num        { font-size: 18px; padding: 5px 10px; min-width: 58px; }
  .qst-num.special{ font-size: 36px; min-width: 96px; }
  .qst-num.ball   { width: 46px; height: 46px; min-width: 46px; font-size: 16px; }
  .qst-num.ball.special { width: 52px; height: 52px; min-width: 52px; }
}


/* ================================================================
   HISTORY PANEL
   ================================================================ */
.qst-history {
  background: var(--qst-bg-raised);
  border: 1px solid var(--qst-border);
  border-radius: var(--qst-radius);
  overflow: hidden;
  margin-top: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,.3);
}
.qst-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--qst-border);
  background: rgba(124,58,237,.12);
}
.qst-history-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--qst-purple-light);
  display: flex; align-items: center; gap: 8px;
}
.qst-history-actions { display: flex; gap: 8px; }
.qst-history-btn {
  padding: 5px 14px;
  border-radius: 7px;
  border: 1px solid var(--qst-border);
  background: transparent;
  color: var(--qst-text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}
.qst-history-btn:hover { border-color: var(--qst-purple-light); color: var(--qst-purple-light); }
.qst-history-btn.danger:hover { border-color: var(--qst-red); color: var(--qst-red); }

.qst-history-list { max-height: 300px; overflow-y: auto; }
.qst-history-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(124,58,237,.08);
  font-size: 13px;
  transition: background .15s;
}
.qst-history-item:hover  { background: rgba(124,58,237,.07); }
.qst-history-item:last-child { border-bottom: none; }
.qst-history-time {
  color: var(--qst-text-muted);
  font-size: 11.5px;
  white-space: nowrap;
  min-width: 52px;
}
.qst-history-type {
  background: rgba(124,58,237,.2);
  color: #c4b5fd;
  border-radius: 5px;
  padding: 2px 8px;
  font-size: 11.5px;
  font-weight: 700;
  white-space: nowrap;
}
.qst-history-nums { color: var(--qst-text); flex: 1; font-variant-numeric: tabular-nums; }
.qst-history-nums strong { color: var(--qst-amber); font-weight: 800; }
.qst-history-empty {
  text-align: center;
  padding: 28px;
  color: var(--qst-text-muted);
  font-size: 14px;
}

/* ── Sound toggle ──────────────────────────────────────────────── */
.qst-sound-toggle {
  display: flex; align-items: center; gap: 7px;
  cursor: pointer; user-select: none;
  padding: 9px 14px;
  border-radius: var(--qst-radius-sm);
  border: 1.5px solid var(--qst-border);
  background: transparent;
  color: var(--qst-text-muted);
  font-size: 13px;
  transition: all .2s;
}
.qst-sound-toggle:hover { border-color: var(--qst-purple); color: var(--qst-text); }
.qst-sound-toggle.on    { border-color: var(--qst-amber); color: var(--qst-amber); box-shadow: var(--qst-glow-amber); }


/* ================================================================
   HOMEPAGE — content-home-qst.php
   ================================================================ */

/* ── Wrap ──────────────────────────────────────────────────────── */
.qst-homepage-wrap { width: 100%; overflow-x: hidden; }
.qst-home-container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

/* ── Section base ──────────────────────────────────────────────── */
.qst-home-section {
  padding: 72px 24px;
}
.qst-home-section--dark {
  background: var(--qst-bg-raised);
  border-top: 1px solid var(--qst-border);
  border-bottom: 1px solid var(--qst-border);
}
.qst-home-section-title {
  font-size: 30px;
  font-weight: 900;
  color: #fff;
  text-align: center;
  margin: 0 0 12px;
  letter-spacing: -.4px;
}
.qst-home-section-sub {
  text-align: center;
  color: var(--qst-text-muted);
  font-size: 16px;
  margin: 0 0 44px;
  line-height: 1.6;
}

/* ── HERO ──────────────────────────────────────────────────────── */
.qst-home-hero {
  background:
    radial-gradient(ellipse 90% 70% at 50% -5%, rgba(124,58,237,.45) 0%, transparent 65%),
    radial-gradient(ellipse 40% 30% at 85% 60%, rgba(232,121,249,.18) 0%, transparent 55%),
    var(--qst-bg);
  padding: 88px 24px 72px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.qst-home-hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%237c3aed' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.qst-home-hero-inner {
  position: relative; z-index: 1;
  max-width: 760px;
  margin: 0 auto;
}

/* Animated balls */
.qst-home-balls {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 36px;
}
.qst-home-ball {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--qst-bg-raised), rgba(124,58,237,.35));
  border: 2px solid var(--qst-border-glow);
  color: var(--qst-purple-ultra);
  font-size: 22px;
  font-weight: 900;
  font-variant-numeric: tabular-nums;
  animation: qst-hero-float 3s ease-in-out infinite;
  box-shadow: var(--qst-glow), inset 0 1px 0 rgba(255,255,255,.08);
}
.qst-home-ball.special {
  background: linear-gradient(145deg, rgba(245,158,11,.8), rgba(249,115,22,.7));
  border-color: var(--qst-amber);
  color: #fff;
  box-shadow: var(--qst-glow-amber), inset 0 1px 0 rgba(255,255,255,.2);
  font-size: 24px;
}
.qst-home-ball.b1 { animation-delay: 0s; }
.qst-home-ball.b2 { animation-delay: .18s; }
.qst-home-ball.b3 { animation-delay: .36s; }
.qst-home-ball.b4 { animation-delay: .54s; }
.qst-home-ball.b5 { animation-delay: .72s; }
.qst-home-ball.b6 { animation-delay: .90s; }
.qst-home-ball.b7 { animation-delay: 1.08s; }
@keyframes qst-hero-float {
  0%,100% { transform: translateY(0) scale(1); }
  50%     { transform: translateY(-12px) scale(1.05); }
}

/* Hero title — 1 dòng */
.qst-home-title {
  font-size: clamp(22px, 3.6vw, 46px);
  font-weight: 900;
  color: #f1f5f9;
  line-height: 1.2;
  margin: 0 0 18px;
  letter-spacing: -.8px;
  white-space: nowrap;        /* giữ 1 dòng */
}
/* Phần highlight "Chuyên Nghiệp" */
.qst-home-title-hl {
  background: linear-gradient(90deg,
    #fcd34d  0%,
    #f97316  40%,
    #e879f9  80%,
    #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
@media (max-width: 600px) {
  .qst-home-title  { font-size: clamp(16px, 5vw, 28px); white-space: normal; }
}
.qst-home-subtitle {
  font-size: 18px;
  color: var(--qst-text-muted);
  line-height: 1.7;
  margin: 0 0 36px;
}
.qst-home-subtitle strong { color: var(--qst-text); }

/* Hero buttons */
.qst-home-hero-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.qst-home-btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--qst-purple) 0%, var(--qst-fuchsia) 100%);
  color: #fff;
  font-weight: 800;
  font-size: 17px;
  text-decoration: none;
  box-shadow: var(--qst-glow), 0 4px 20px rgba(0,0,0,.3);
  transition: transform .2s, box-shadow .2s;
  letter-spacing: .01em;
}
.qst-home-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--qst-glow-lg), 0 8px 32px rgba(0,0,0,.4);
  color: #fff;
}
.qst-home-btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 36px;
  border-radius: 50px;
  background: transparent;
  border: 2px solid var(--qst-border-glow);
  color: var(--qst-purple-ultra);
  font-weight: 800;
  font-size: 17px;
  text-decoration: none;
  transition: all .2s;
}
.qst-home-btn-secondary:hover {
  background: rgba(124,58,237,.18);
  border-color: var(--qst-purple-light);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: var(--qst-glow);
}
.qst-home-btn-large { padding: 18px 48px; font-size: 19px; }
.qst-btn-icon { font-style: normal; font-size: 1.1em; }

/* Disclaimer badge */
.qst-home-badge {
  display: inline-block;
  font-size: 12.5px;
  color: rgba(148,163,184,.7);
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(124,58,237,.2);
  border-radius: 50px;
  padding: 6px 16px;
  margin: 0;
}

/* ── SIMULATOR GRID ────────────────────────────────────────────── */
.qst-sim-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.qst-sim-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 20px;
  background: var(--qst-bg-card);
  border: 1px solid var(--qst-border);
  border-radius: var(--qst-radius-lg);
  text-decoration: none;
  transition: all .28s cubic-bezier(.22,.68,0,1.2);
  position: relative;
  overflow: hidden;
}
.qst-sim-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--qst-purple), var(--qst-fuchsia));
  opacity: 0;
  transition: opacity .25s;
}
.qst-sim-card:hover {
  border-color: var(--qst-border-glow);
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--qst-glow-lg);
  background: var(--qst-bg-raised);
}
.qst-sim-card:hover::before { opacity: 1; }
.qst-sim-card--lotto::before {
  background: linear-gradient(90deg, var(--qst-amber), #f97316, var(--qst-fuchsia));
}
.qst-sim-card--lotto:hover {
  box-shadow: var(--qst-glow-amber);
  border-color: rgba(245,158,11,.45);
}
.qst-sim-card-icon { font-size: 40px; line-height: 1; }
.qst-sim-card-body h3 {
  font-size: 19px;
  font-weight: 900;
  color: #fff;
  margin: 0 0 6px;
  letter-spacing: -.2px;
}
.qst-sim-card-body p {
  font-size: 13px;
  color: var(--qst-text-muted);
  margin: 0;
  line-height: 1.55;
}
.qst-sim-card-arrow {
  font-size: 13px;
  font-weight: 700;
  color: var(--qst-purple-light);
  margin-top: auto;
  display: flex; align-items: center; gap: 6px;
}
.qst-sim-card:hover .qst-sim-card-arrow { color: var(--qst-fuchsia); }
.qst-sim-card--lotto:hover .qst-sim-card-arrow { color: var(--qst-amber-light); }

/* ── FEATURES ──────────────────────────────────────────────────── */
.qst-features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  max-width: 1100px;
  margin: 0 auto;
}
.qst-feature-card {
  padding: 28px 22px;
  background: var(--qst-bg-card);
  border: 1px solid var(--qst-border);
  border-radius: var(--qst-radius-lg);
  text-align: center;
  transition: border-color .2s, box-shadow .2s, transform .2s;
}
.qst-feature-card:hover {
  border-color: var(--qst-border-glow);
  box-shadow: var(--qst-glow);
  transform: translateY(-3px);
}
.qst-feature-icon { font-size: 42px; margin-bottom: 14px; display: block; }
.qst-feature-card h3 {
  font-size: 16px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 10px;
}
.qst-feature-card p {
  font-size: 13.5px;
  color: var(--qst-text-muted);
  margin: 0;
  line-height: 1.65;
}

/* ── STEPS ─────────────────────────────────────────────────────── */
.qst-steps-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: 960px;
  margin: 0 auto;
}
.qst-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 24px 20px;
}
.qst-step-num {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--qst-purple), var(--qst-fuchsia));
  color: #fff;
  font-size: 26px;
  font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  box-shadow: var(--qst-glow);
  flex-shrink: 0;
}
.qst-step-body h3 {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 8px;
}
.qst-step-body p {
  font-size: 14px;
  color: var(--qst-text-muted);
  margin: 0;
  line-height: 1.65;
}
.qst-step-connector {
  color: var(--qst-border-glow);
  font-size: 32px;
  font-weight: 200;
  align-self: center;
  padding: 0 6px;
  margin-top: -12px;
  flex-shrink: 0;
}

/* ── FAQ ───────────────────────────────────────────────────────── */
.qst-faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.qst-faq-item {
  background: var(--qst-bg-card);
  border: 1px solid var(--qst-border);
  border-radius: var(--qst-radius);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.qst-faq-item[open] {
  border-color: var(--qst-border-glow);
  box-shadow: var(--qst-glow);
}
.qst-faq-q {
  padding: 18px 22px;
  font-weight: 800;
  font-size: 15.5px;
  color: #fff;
  cursor: pointer;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  user-select: none;
  gap: 12px;
}
.qst-faq-q::after {
  content: '+';
  font-size: 22px;
  color: var(--qst-purple-light);
  font-weight: 300;
  flex-shrink: 0;
}
.qst-faq-item[open] .qst-faq-q::after { content: '−'; color: var(--qst-fuchsia); }
.qst-faq-q::-webkit-details-marker { display: none; }
.qst-faq-a {
  padding: 0 22px 18px;
  border-top: 1px solid var(--qst-border);
}
.qst-faq-a p {
  font-size: 14.5px;
  color: var(--qst-text-muted);
  margin: 14px 0 0;
  line-height: 1.75;
}
.qst-faq-a code {
  background: rgba(124,58,237,.22);
  color: var(--qst-purple-ultra);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 13.5px;
}

/* ── CTA BANNER ────────────────────────────────────────────────── */
.qst-home-cta-banner {
  background:
    radial-gradient(ellipse 60% 80% at 50% 50%, rgba(124,58,237,.35) 0%, transparent 70%),
    linear-gradient(135deg, rgba(91,33,182,.6) 0%, rgba(232,121,249,.2) 50%, rgba(91,33,182,.6) 100%);
  border-top: 1px solid var(--qst-border-glow);
  border-bottom: 1px solid var(--qst-border-glow);
  padding: 72px 24px;
  text-align: center;
}
.qst-home-cta-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}
.qst-home-cta-text h2 {
  font-size: 36px;
  font-weight: 900;
  color: #fff;
  margin: 0 0 10px;
  letter-spacing: -.5px;
}
.qst-home-cta-text p {
  font-size: 17px;
  color: rgba(255,255,255,.7);
  margin: 0;
}

/* ── ABOUT / SEO ───────────────────────────────────────────────── */
.qst-home-about { max-width: 800px; margin: 0 auto; }
.qst-home-about h2 {
  font-size: 24px;
  font-weight: 900;
  color: #fff;
  margin: 0 0 16px;
  letter-spacing: -.3px;
}
.qst-home-about p {
  font-size: 14.5px;
  color: var(--qst-text-muted);
  line-height: 1.8;
  margin: 0 0 14px;
}
.qst-home-about code {
  background: rgba(124,58,237,.2);
  color: var(--qst-purple-ultra);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 13px;
}
.qst-home-disclaimer {
  background: rgba(245,158,11,.08);
  border-left: 4px solid var(--qst-amber);
  border-radius: 0 10px 10px 0;
  padding: 14px 16px !important;
  color: rgba(245,158,11,.9) !important;
  font-size: 14px !important;
}
.qst-home-disclaimer strong { color: var(--qst-amber) !important; }

/* ================================================================
   QST FOOTER — Redesigned (class prefix: qstf)
   Dùng class riêng để không bị ảnh hưởng bởi base styles.css
   ================================================================ */

/* ── Reset / Base ──────────────────────────────────────────────── */
.qstf {
  background: var(--qst-bg-card);
  border-top: 2px solid var(--qst-border-glow);
  font-family: 'Segoe UI', system-ui, sans-serif;
}
.qstf-wrap {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ── TOP — Brand + CTA ─────────────────────────────────────────── */
.qstf-top {
  background:
    radial-gradient(ellipse 80% 100% at 0% 50%, rgba(124,58,237,.2) 0%, transparent 55%),
    linear-gradient(180deg, rgba(124,58,237,.08) 0%, transparent 100%);
  border-bottom: 1px solid var(--qst-border);
  padding: 48px 0;
}
.qstf-top .qstf-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

/* Logo */
.qstf-logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  margin-bottom: 14px;
}
.qstf-logo-badge {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--qst-purple), var(--qst-fuchsia));
  color: #fff;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -.5px;
  box-shadow: var(--qst-glow), inset 0 1px 0 rgba(255,255,255,.2);
  flex-shrink: 0;
}
.qstf-logo-text {
  font-size: 26px;
  font-weight: 900;
  background: linear-gradient(90deg, var(--qst-purple-ultra), var(--qst-fuchsia));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -.4px;
}
.qstf-tagline {
  font-size: 14.5px;
  color: var(--qst-text-muted);
  line-height: 1.7;
  max-width: 460px;
  margin: 0;
}

/* CTA */
.qstf-cta { text-align: center; flex-shrink: 0; }
.qstf-cta-btn {
  display: inline-flex;
  align-items: center; gap: 9px;
  padding: 14px 32px;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--qst-purple), var(--qst-fuchsia));
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  box-shadow: var(--qst-glow);
  transition: transform .2s, box-shadow .2s;
  white-space: nowrap;
}
.qstf-cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--qst-glow-lg);
  color: #fff;
}
.qstf-cta-note {
  font-size: 12px;
  color: var(--qst-text-muted);
  margin: 10px 0 0;
  text-align: center;
}

/* ── MID — 4-col Links Grid ────────────────────────────────────── */
.qstf-mid {
  padding: 48px 0 40px;
}
.qstf-mid .qstf-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 32px;
}
.qstf-col-title {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--qst-amber);
  text-transform: uppercase;
  letter-spacing: .09em;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--qst-border);
}
.qstf-links {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.qstf-links li a {
  color: var(--qst-text-muted);
  font-size: 14px;
  text-decoration: none;
  transition: color .18s;
  display: flex; align-items: center; gap: 6px;
}
.qstf-links li a:hover { color: var(--qst-purple-ultra); }

/* Features list (4th col) */
.qstf-features-list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.qstf-features-list li {
  font-size: 13.5px;
  color: var(--qst-text-muted);
  display: flex; align-items: center; gap: 6px;
}

/* ── DISCLAIMER BAR ────────────────────────────────────────────── */
.qstf-disclaimer-bar {
  background: rgba(245,158,11,.06);
  border-top: 1px solid rgba(245,158,11,.2);
  border-bottom: 1px solid rgba(245,158,11,.2);
  padding: 14px 0;
  font-size: 13px;
  color: rgba(245,158,11,.8);
  line-height: 1.6;
}
.qstf-disclaimer-bar strong { color: var(--qst-amber); }
.qstf-disclaimer-bar .qstf-wrap {
  display: flex; align-items: flex-start; gap: 8px;
}

/* ── BOTTOM BAR ────────────────────────────────────────────────── */
.qstf-bottom {
  background: rgba(0,0,0,.35);
  border-top: 1px solid var(--qst-border);
  padding: 16px 0;
}
.qstf-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.qstf-bottom p {
  margin: 0;
  font-size: 12.5px;
  color: #4a5568;
}
.qstf-bottom a {
  color: var(--qst-text-muted);
  text-decoration: none;
  transition: color .15s;
}
.qstf-bottom a:hover { color: var(--qst-purple-ultra); }
.qstf-legal-nav {
  display: flex;
  gap: 20px;
}
.qstf-legal-nav a {
  font-size: 12.5px;
  color: #4a5568;
  text-decoration: none;
  transition: color .15s;
}
.qstf-legal-nav a:hover { color: var(--qst-purple-ultra); }

/* ── Responsive footer ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .qstf-mid .qstf-wrap { grid-template-columns: 1fr 1fr; gap: 24px; }
}
@media (max-width: 640px) {
  .qstf-top .qstf-wrap { flex-direction: column; text-align: center; }
  .qstf-tagline { max-width: 100%; }
  .qstf-mid .qstf-wrap { grid-template-columns: 1fr 1fr; gap: 20px; }
  .qstf-bottom-inner { flex-direction: column; text-align: center; }
  .qstf-legal-nav { justify-content: center; }
}
@media (max-width: 420px) {
  .qstf-mid .qstf-wrap { grid-template-columns: 1fr; }
}


/* ================================================================
   RESPONSIVE
   ================================================================ */
/* QST bitmap brand assets */
.logo a.txtlogo::before { content: none !important; display: none !important; }
.logo a.txtlogo { gap: 0 !important; }
.logo a.txtlogo > img {
  display: block !important;
  height: 54px !important;
  width: auto !important;
  max-width: 260px !important;
  border-radius: 0 !important;
}

@media (max-width: 960px) {
  .qst-sim-grid      { grid-template-columns: repeat(2, 1fr); }
  .qst-features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .qst-home-hero     { padding: 56px 16px 48px; }
  .qst-home-balls    { gap: 8px; }
  .qst-home-ball     { width: 50px; height: 50px; font-size: 18px; }
  .qst-home-ball.special { font-size: 20px; }
  .qst-sim-grid      { grid-template-columns: 1fr; }
  .qst-features-grid { grid-template-columns: 1fr; }
  .qst-steps-row     { flex-direction: column; align-items: center; }
  .qst-step-connector { transform: rotate(90deg); font-size: 26px; margin: -8px 0; }
  .qst-home-cta-banner { padding: 48px 16px; }
  .qst-home-cta-text h2 { font-size: 26px; }
  .qst-home-section  { padding: 52px 16px; }
  .qst-home-section-title { font-size: 24px; }
}
@media (max-width: 420px) {
  .qst-home-balls    { gap: 5px; }
  .qst-home-ball     { width: 40px; height: 40px; font-size: 15px; }
}

/* ================================================================
   QST HEADER / MENU REWORK
   ================================================================ */
body header {
  background:
    radial-gradient(circle at 18% 0%, rgba(245, 158, 11, .18), transparent 34%),
    linear-gradient(135deg, #160924 0%, #241047 48%, #0d0618 100%) !important;
  border-bottom: 1px solid rgba(168, 85, 247, .34) !important;
  box-shadow: 0 10px 30px rgba(7, 3, 18, .35) !important;
}

body header .main {
  max-width: 1180px !important;
}

body header .top-info {
  min-height: 72px !important;
  padding: 8px 10px !important;
  gap: 20px !important;
  overflow: visible !important;
}

body header .logo {
  flex: 0 0 auto !important;
}

body header .logo a.txtlogo {
  height: 56px !important;
  display: inline-flex !important;
  align-items: center !important;
}

body header .logo a.txtlogo > img {
  height: 56px !important;
  width: auto !important;
  max-width: 252px !important;
  filter: drop-shadow(0 10px 16px rgba(0, 0, 0, .28));
}

body header nav#nav {
  flex: 1 1 auto !important;
  min-width: 0 !important;
  overflow: visible !important;
  margin-left: 34px !important;
}

body header nav#nav .nav-pc {
  width: 100% !important;
}

body header #nav-horizontal-list {
  display: flex !important;
  justify-content: flex-start !important;
  align-items: center !important;
  gap: 4px !important;
}

body header #nav-horizontal-list > li {
  position: relative !important;
}

body header #nav-horizontal-list > li > a,
body header #nav-horizontal-list > li > span.arr-d {
  color: #e9ddff !important;
  font-size: 13.5px !important;
  line-height: 1 !important;
  font-weight: 800 !important;
  letter-spacing: .1px !important;
  text-transform: none !important;
}

body header #nav-horizontal-list > li > a {
  padding: 12px 11px !important;
  border-radius: 999px !important;
  background: transparent !important;
}

body header #nav-horizontal-list > li > span.arr-d {
  margin-left: -10px !important;
  padding: 12px 7px 12px 0 !important;
  opacity: .65 !important;
}

body header #nav-horizontal-list > li:hover > a,
body header #nav-horizontal-list > li:focus-within > a,
body header #nav-horizontal-list > li.current-menu-item > a {
  background: rgba(255, 255, 255, .11) !important;
  color: #fff !important;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12);
}

body header #nav-horizontal-list > li.current-menu-item > a {
  border-bottom: 0 !important;
}

body header #nav-horizontal-list ul.menu-c2 {
  top: 100% !important;
  left: 0 !important;
  min-width: 220px !important;
  padding: 10px 8px 8px !important;
  background: rgba(18, 8, 36, .98) !important;
  border: 1px solid rgba(168, 85, 247, .26) !important;
  border-radius: 12px !important;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .42), 0 0 0 1px rgba(255, 255, 255, .04) inset !important;
}

body header #nav-horizontal-list ul.menu-c2 li {
  border-bottom: 0 !important;
}

body header #nav-horizontal-list ul.menu-c2 li a {
  padding: 10px 12px !important;
  border-radius: 8px !important;
  color: #ddd6fe !important;
  font-size: 13px !important;
  font-weight: 700 !important;
  line-height: 1.25 !important;
  background: transparent !important;
}

body header #nav-horizontal-list ul.menu-c2 li a:hover,
body header #nav-horizontal-list ul.menu-c2 li a:focus {
  background: rgba(124, 58, 237, .28) !important;
  color: #fff !important;
}

@media (max-width: 980px) {
  body header .top-info { gap: 12px !important; }
  body header nav#nav { margin-left: 18px !important; }
  body header .logo a.txtlogo > img {
    height: 50px !important;
    max-width: 226px !important;
  }
  body header #nav-horizontal-list > li > a,
  body header #nav-horizontal-list > li > span.arr-d {
    font-size: 12.5px !important;
  }
  body header #nav-horizontal-list > li > a { padding: 10px 8px !important; }
}

@media (max-width: 660px) {
  body header .top-info {
    min-height: 62px !important;
  }
  body header .logo a.txtlogo > img {
    height: 44px !important;
    max-width: 198px !important;
  }
  body header nav#nav {
    background: #140a24 !important;
    border: 1px solid rgba(168, 85, 247, .28) !important;
    border-radius: 0 0 14px 14px !important;
  }
}


/* ================================================================
   QST LEGAL PAGES (Giới thiệu, Điều khoản, Bảo mật, Cookie, …)
   ================================================================ */

/* ── Outer wrapper: full-width, QST background ──────────────────── */
.qst-legal-wrap {
  width: 100%;
  background: var(--qst-bg) !important;
  min-height: 60vh;
  padding: 0 0 80px;
}

/* ── Container inside wrap ──────────────────────────────────────── */
.legal-page--qst {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
  background: transparent !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  color: #94a3b8 !important;
}

/* ── HERO ───────────────────────────────────────────────────────── */
.legal-page--qst .legal-hero {
  background: linear-gradient(135deg, #160924 0%, #1e1040 55%, #0d0618 100%);
  border-bottom: 1px solid rgba(168, 85, 247, .30);
  padding: 40px 32px 36px;
  margin: 0 -24px 40px;        /* bleed to wrap edges */
  position: relative;
  overflow: hidden;
}
.legal-page--qst .legal-hero::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(124,58,237,.22) 0%, transparent 70%);
  pointer-events: none;
}

/* Breadcrumb */
.legal-page--qst .legal-breadcrumb {
  font-size: 12.5px;
  color: #6b7280;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.legal-page--qst .legal-breadcrumb a {
  color: #a78bfa;
  text-decoration: none;
  transition: color .15s;
}
.legal-page--qst .legal-breadcrumb a:hover { color: #e879f9; }
.legal-page--qst .legal-sep { color: #4a5568; }

/* Title + icon row */
.legal-page--qst .legal-hero-inner {
  display: flex;
  align-items: center;
  gap: 20px;
}
.legal-page--qst .legal-hero-icon {
  font-size: 42px;
  line-height: 1;
  flex-shrink: 0;
  filter: drop-shadow(0 0 12px rgba(124,58,237,.55));
}
.legal-page--qst .legal-hero-title {
  font-size: clamp(24px, 3.5vw, 34px) !important;
  font-weight: 900 !important;
  color: #f8fafc !important;
  margin: 0 0 6px !important;
  line-height: 1.15;
  text-shadow: 0 2px 16px rgba(124,58,237,.40);
}
.legal-page--qst .legal-hero-meta {
  font-size: 12.5px;
  color: #6b7280 !important;
  margin: 0;
}
.legal-page--qst .legal-hero-meta strong { color: #a78bfa !important; }

/* ── BODY: single column on QST ─────────────────────────────────── */
.legal-page--qst .legal-body {
  display: flex !important;
  flex-direction: column !important;
  gap: 32px;
  background: transparent !important;
}

/* ── CONTENT area ───────────────────────────────────────────────── */
.legal-page--qst .legal-content {
  flex: 1 1 auto;
  min-width: 0;
  background: rgba(255,255,255,.03) !important;
  border: 1px solid rgba(168,85,247,.14);
  border-radius: 16px;
  padding: 32px 36px;
  line-height: 1.85;
  font-size: 15px;
}
.legal-page--qst .legal-content h2 {
  font-size: 18px !important;
  font-weight: 800 !important;
  color: #e2e8f0 !important;
  margin: 28px 0 10px !important;
  padding-bottom: 8px !important;
  border-bottom: 1px solid rgba(168,85,247,.22) !important;
  background: transparent !important;
}
.legal-page--qst .legal-content h2:first-child { margin-top: 0 !important; }
.legal-page--qst .legal-content h3 {
  font-size: 15px !important;
  font-weight: 700 !important;
  color: #c4b5fd !important;
  margin: 18px 0 7px !important;
  background: transparent !important;
}
.legal-page--qst .legal-content p {
  margin: 0 0 13px !important;
  color: #94a3b8 !important;
}
.legal-page--qst .legal-content ul,
.legal-page--qst .legal-content ol {
  padding-left: 22px !important;
  margin: 0 0 13px !important;
  color: #94a3b8 !important;
}
.legal-page--qst .legal-content li {
  margin-bottom: 6px !important;
  color: #94a3b8 !important;
}
.legal-page--qst .legal-content strong {
  color: #ddd6fe !important;
  font-weight: 700;
}
.legal-page--qst .legal-content a {
  color: #a78bfa !important;
  text-decoration: underline;
}
.legal-page--qst .legal-content code {
  background: rgba(124,58,237,.22) !important;
  color: #c4b5fd !important;
  padding: 2px 7px;
  border-radius: 5px;
  font-size: .88em;
}
.legal-page--qst .legal-content blockquote {
  border-left: 3px solid var(--qst-amber) !important;
  background: rgba(245,158,11,.07) !important;
  padding: 14px 18px !important;
  margin: 20px 0 !important;
  border-radius: 0 8px 8px 0;
  color: #fcd34d !important;
  font-size: 14px;
}
.legal-page--qst .legal-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14px;
}
.legal-page--qst .legal-content th {
  background: rgba(124,58,237,.22) !important;
  color: #ddd6fe !important;
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  border-bottom: 1px solid rgba(168,85,247,.3);
}
.legal-page--qst .legal-content td {
  padding: 9px 14px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: #94a3b8 !important;
  background: transparent !important;
}
.legal-page--qst .legal-content tr:hover td {
  background: rgba(124,58,237,.10) !important;
}

/* ── SIDEBAR → compact inline nav pill strip on QST ─────────────── */
.legal-page--qst .legal-sidebar {
  background: rgba(124,58,237,.09) !important;
  border: 1px solid rgba(168,85,247,.24) !important;
  border-radius: 16px;
  padding: 22px 24px;
}
.legal-page--qst .legal-nav-box-title {
  font-size: 11.5px !important;
  font-weight: 800 !important;
  color: #7c6fa0 !important;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin: 0 0 14px;
}
.legal-page--qst .legal-nav-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.legal-page--qst .legal-nav-list {
  flex-direction: row !important;
  flex-wrap: wrap !important;
  gap: 8px !important;
}
.legal-page--qst .legal-nav-list li a {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  padding: 7px 14px !important;
  border-radius: 999px !important;
  border: 1px solid rgba(168,85,247,.28) !important;
  background: rgba(124,58,237,.10) !important;
  color: #a78bfa !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  transition: all .18s ease;
}
.legal-page--qst .legal-nav-list li a:hover {
  background: rgba(124,58,237,.28) !important;
  border-color: rgba(168,85,247,.55) !important;
  color: #fff !important;
}
.legal-page--qst .legal-nav-list li.active a {
  background: var(--qst-purple) !important;
  border-color: var(--qst-purple) !important;
  color: #fff !important;
  box-shadow: 0 0 14px rgba(124,58,237,.40);
}
.legal-nav-icon { font-size: 15px; }

/* Disclaimer box inside sidebar */
.legal-page--qst .legal-disclaimer-box {
  margin-top: 14px !important;
  padding: 12px 16px !important;
  background: rgba(245,158,11,.08) !important;
  border: none !important;
  border-left: 3px solid var(--qst-amber) !important;
  border-radius: 0 8px 8px 0 !important;
  font-size: 13px;
  color: #b0b8c9 !important;
  line-height: 1.6;
}
.legal-page--qst .legal-disclaimer-box p { color: #b0b8c9 !important; margin: 0; }
.legal-page--qst .legal-disclaimer-box strong { color: var(--qst-amber) !important; }

/* ── RELATED PAGES grid ─────────────────────────────────────────── */
.legal-page--qst .legal-related {
  margin-top: 16px;
  padding-top: 32px;
  border-top: 1px solid rgba(168,85,247,.18);
  background: transparent !important;
}
.legal-page--qst .legal-related-title {
  font-size: 12px !important;
  font-weight: 800 !important;
  color: #7c6fa0 !important;
  text-transform: uppercase;
  letter-spacing: .1em;
  margin: 0 0 16px;
}
.legal-page--qst .legal-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.legal-page--qst .legal-related-card {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 8px;
  padding: 18px 12px !important;
  background: rgba(124,58,237,.09) !important;
  border: 1px solid rgba(168,85,247,.20) !important;
  border-radius: 12px !important;
  text-decoration: none !important;
  text-align: center;
  transition: all .18s ease;
  box-shadow: none !important;
}
.legal-page--qst .legal-related-card:hover {
  background: rgba(124,58,237,.22) !important;
  border-color: rgba(168,85,247,.50) !important;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(124,58,237,.22) !important;
}
.legal-page--qst .legal-related-card-icon { font-size: 26px; }
.legal-page--qst .legal-related-card-title {
  font-size: 12.5px !important;
  font-weight: 700 !important;
  color: #a78bfa !important;
  line-height: 1.3;
}
.legal-page--qst .legal-related-card:hover .legal-related-card-title {
  color: #fff !important;
}

/* ── CONTACT FORM (dark QST theme) ─────────────────────────────── */
.legal-page--qst .contact-form-wrap {
  margin-top: 28px !important;
  background: rgba(124,58,237,.07) !important;
  border: 1px solid rgba(168,85,247,.22) !important;
  border-radius: 14px !important;
  padding: 24px !important;
}
.legal-page--qst .contact-form { display: flex !important; flex-direction: column !important; gap: 18px !important; }

.legal-page--qst .cf-group { display: flex !important; flex-direction: column !important; gap: 6px !important; }
.legal-page--qst .cf-group label {
  font-size: 13px !important;
  font-weight: 700 !important;
  color: #a78bfa !important;
  letter-spacing: .02em;
}
.legal-page--qst .cf-req { color: var(--qst-fuchsia) !important; }

.legal-page--qst .cf-group input,
.legal-page--qst .cf-group select,
.legal-page--qst .cf-group textarea {
  background: rgba(10,5,24,.55) !important;
  border: 1px solid rgba(168,85,247,.32) !important;
  border-radius: 10px !important;
  color: #f1f5f9 !important;
  font-size: 14px !important;
  padding: 11px 14px !important;
  outline: none;
  transition: border-color .18s, box-shadow .18s;
  font-family: inherit;
  width: 100%;
  box-sizing: border-box;
}
.legal-page--qst .cf-group input:focus,
.legal-page--qst .cf-group select:focus,
.legal-page--qst .cf-group textarea:focus {
  border-color: rgba(168,85,247,.75) !important;
  box-shadow: 0 0 0 3px rgba(124,58,237,.20) !important;
}
.legal-page--qst .cf-group select option {
  background: #1a0d2e;
  color: #f1f5f9;
}
.legal-page--qst .cf-group textarea { resize: vertical; min-height: 110px; }
.legal-page--qst .cf-group input::placeholder,
.legal-page--qst .cf-group textarea::placeholder { color: #4a5568 !important; }

.legal-page--qst .cf-note {
  background: rgba(245,158,11,.08) !important;
  border: none !important;
  border-left: 3px solid var(--qst-amber) !important;
  border-radius: 0 8px 8px 0 !important;
  padding: 12px 16px !important;
  font-size: 13px;
  color: #94a3b8 !important;
  line-height: 1.6;
}
.legal-page--qst .cf-note p { color: #94a3b8 !important; margin: 0; }
.legal-page--qst .cf-note strong { color: var(--qst-amber) !important; }

.legal-page--qst .cf-submit {
  align-self: flex-start;
  background: linear-gradient(135deg, var(--qst-purple) 0%, #9333ea 100%);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 13px 32px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: opacity .18s, transform .18s, box-shadow .18s;
  box-shadow: 0 4px 16px rgba(124,58,237,.40);
}
.legal-page--qst .cf-submit:hover {
  opacity: .9;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124,58,237,.55);
}

.legal-page--qst .cf-success {
  background: rgba(16,185,129,.10);
  border: 1px solid rgba(16,185,129,.35);
  border-radius: 10px;
  padding: 16px 20px;
  color: #6ee7b7;
  font-size: 14.5px;
  line-height: 1.6;
}
.legal-page--qst .cf-error-msg {
  background: rgba(239,68,68,.10);
  border: 1px solid rgba(239,68,68,.35);
  border-radius: 10px;
  padding: 12px 16px;
  color: #fca5a5;
  font-size: 14px;
  margin-bottom: 8px;
}

/* ── Responsive legal ───────────────────────────────────────────── */
@media (max-width: 720px) {
  /* Override base CSS that hides the sidebar on mobile */
  .legal-page--qst .legal-sidebar { display: flex !important; }
}
@media (max-width: 640px) {
  .legal-page--qst { padding: 0 16px; }
  .legal-page--qst .legal-hero { padding: 28px 20px 24px; margin: 0 -16px 28px; }
  .legal-page--qst .legal-hero-icon { font-size: 30px; }
  .legal-page--qst .legal-hero-title { font-size: 20px !important; }
  .legal-page--qst .legal-content { padding: 20px 18px; }
  .legal-page--qst .legal-related-grid { grid-template-columns: repeat(2, 1fr); }
  .legal-page--qst .cf-submit { width: 100%; text-align: center; }
}

/* ================================================================
   QST BLOG ARTICLE
   ================================================================ */
body.single-post .qst-article-page {
  max-width: 1160px;
  margin: 34px auto 54px;
  padding: 0 20px;
  color: #e5e7eb;
}

body.single-post .qst-article {
  overflow: visible;
}

body.single-post .qst-article-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 38px 36px;
  border: 1px solid rgba(168,85,247,.22);
  border-radius: 18px;
  background:
    radial-gradient(circle at 14% 8%, rgba(245,158,11,.20), transparent 28%),
    radial-gradient(circle at 86% 18%, rgba(236,72,153,.18), transparent 30%),
    linear-gradient(135deg, rgba(32,12,66,.96), rgba(13,7,31,.98));
  box-shadow: 0 22px 60px rgba(0,0,0,.34);
}

body.single-post .qst-article-kicker {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-bottom: 14px;
  padding: 7px 12px;
  border: 1px solid rgba(250,204,21,.34);
  border-radius: 999px;
  background: rgba(245,158,11,.12);
  color: #fde68a;
  font-size: 13px;
  font-weight: 800;
}

body.single-post .qst-article-hero h1 {
  max-width: 860px;
  margin: 0;
  color: #fff;
  font-size: 42px;
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: 0;
  text-shadow: 0 8px 28px rgba(124,58,237,.38);
}

body.single-post .qst-article-lead {
  max-width: 820px;
  margin: 16px 0 0;
  color: #cbd5e1;
  font-size: 18px;
  line-height: 1.7;
}

body.single-post .qst-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

body.single-post .qst-article-meta span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid rgba(168,85,247,.18);
  border-radius: 999px;
  background: rgba(255,255,255,.06);
  color: #aeb8cc;
  font-size: 13px;
  font-weight: 700;
}

body.single-post .qst-article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: start;
  margin-top: 24px;
}

body.single-post .qst-article-content {
  min-width: 0;
  padding: 34px 40px;
  border: 1px solid rgba(168,85,247,.16);
  border-radius: 16px;
  background: rgba(255,255,255,.96);
  color: #1f2937;
  box-shadow: 0 18px 48px rgba(0,0,0,.22);
  font-size: 18px;
  line-height: 1.86;
}

body.single-post .qst-article-content > h1:first-of-type {
  display: none;
}

body.single-post .qst-article-content h2 {
  margin: 34px 0 13px;
  color: #241044;
  font-size: 26px;
  line-height: 1.32;
  font-weight: 900;
  letter-spacing: 0;
}

body.single-post .qst-article-content h3 {
  margin: 26px 0 10px;
  color: #5b21b6;
  font-size: 21px;
  line-height: 1.38;
  font-weight: 850;
  letter-spacing: 0;
}

body.single-post .qst-article-content p {
  margin: 0 0 17px;
  color: #334155;
}

body.single-post .qst-article-content a {
  color: #7c3aed;
  font-weight: 800;
  text-decoration: none;
  border-bottom: 1px solid rgba(124,58,237,.28);
}

body.single-post .qst-article-content a:hover {
  color: #db2777;
  border-bottom-color: rgba(219,39,119,.44);
}

body.single-post .qst-article-note {
  margin: 0 0 24px;
  padding: 15px 18px;
  border-left: 4px solid #f59e0b;
  border-radius: 0 10px 10px 0;
  background: #fff7ed;
  color: #7c2d12;
  font-size: 15px;
  line-height: 1.65;
  font-weight: 650;
}

body.single-post .qst-article-side {
  position: sticky;
  top: 94px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

body.single-post .qst-side-box {
  padding: 18px;
  border: 1px solid rgba(168,85,247,.18);
  border-radius: 14px;
  background: rgba(255,255,255,.06);
  box-shadow: 0 16px 36px rgba(0,0,0,.18);
}

body.single-post .qst-side-box h2 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 16px;
  line-height: 1.3;
  font-weight: 900;
}

body.single-post .qst-side-box a,
body.single-post .qst-side-tags a {
  display: flex;
  align-items: center;
  min-height: 38px;
  margin-top: 8px;
  padding: 0 12px;
  border: 1px solid rgba(168,85,247,.22);
  border-radius: 10px;
  background: rgba(124,58,237,.13);
  color: #d8b4fe;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

body.single-post .qst-side-box a:hover,
body.single-post .qst-side-tags a:hover {
  background: rgba(245,158,11,.16);
  border-color: rgba(245,158,11,.36);
  color: #fde68a;
}

body.single-post .qst-related-posts {
  margin-top: 28px;
}

body.single-post .qst-related-posts h2 {
  margin: 0 0 14px;
  color: #fff;
  font-size: 22px;
  font-weight: 900;
}

body.single-post .qst-related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

body.single-post .qst-related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 118px;
  padding: 18px;
  border: 1px solid rgba(168,85,247,.18);
  border-radius: 14px;
  background: rgba(255,255,255,.06);
  text-decoration: none;
}

body.single-post .qst-related-card span {
  color: #a78bfa;
  font-size: 12px;
  font-weight: 800;
}

body.single-post .qst-related-card strong {
  color: #f8fafc;
  font-size: 16px;
  line-height: 1.42;
}

body.single-post .qst-related-card:hover {
  border-color: rgba(245,158,11,.36);
  background: rgba(245,158,11,.10);
}

@media (max-width: 980px) {
  body.single-post .qst-article-page {
    margin-top: 24px;
  }

  body.single-post .qst-article-layout {
    grid-template-columns: 1fr;
  }

  body.single-post .qst-article-side {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  body.single-post .qst-article-page {
    padding: 0 14px;
    margin: 18px auto 36px;
  }

  body.single-post .qst-article-hero {
    padding: 24px 20px 26px;
    border-radius: 14px;
  }

  body.single-post .qst-article-hero h1 {
    font-size: 29px;
  }

  body.single-post .qst-article-lead {
    font-size: 15.5px;
    line-height: 1.65;
  }

  body.single-post .qst-article-content {
    padding: 24px 20px;
    border-radius: 14px;
    font-size: 16.5px;
    line-height: 1.78;
  }

  body.single-post .qst-article-content h2 {
    font-size: 22px;
  }

  body.single-post .qst-article-content h3 {
    font-size: 18px;
  }

  body.single-post .qst-article-side,
  body.single-post .qst-related-grid {
    grid-template-columns: 1fr;
  }
}