/* Quê Ai Đông Hơn? 63 Tỉnh — landing, mobile-first */
:root {
  --bg: #11150f;
  --bg-2: #191e16;
  --surface: #1f261c;
  --surface-2: #262e22;
  --line: rgba(232, 214, 164, 0.14);
  --text: #f3eee3;
  --muted: #b4b1a4;
  --gold: #e6c56a;
  --gold-2: #c9a227;
  --leaf: #7a9a5a;
  --danger: #d26a5a;
  --shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --max: 1120px;
  --font: "Be Vietnam Pro", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
/* honor hidden on all elements, including .pay-row */
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(230, 197, 106, 0.08), transparent 55%),
    radial-gradient(900px 400px at -10% 20%, rgba(122, 154, 90, 0.1), transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  min-height: 100vh;
}
img { max-width: 100%; display: block; }
a { color: var(--gold); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input { font-family: inherit; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -0.02em; margin: 0 0 0.6em; }
h1 { font-size: clamp(2rem, 6vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.45rem, 3.4vw, 2rem); font-weight: 700; }
p { margin: 0 0 1em; color: var(--muted); }
.wrap { width: min(100% - 32px, var(--max)); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 0;
}
.skip:focus { left: 16px; top: 16px; z-index: 80; background: var(--gold); color: #1a1608; padding: 8px 12px; border-radius: 8px; }

/* Header */
.hdr {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(17, 21, 15, 0.82);
  border-bottom: 1px solid var(--line);
}
.hdr-in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; min-height: 64px;
}
.brand {
  display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700;
  text-decoration: none;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(145deg, var(--gold), var(--gold-2));
  color: #1a1608; display: grid; place-items: center; font-size: 12px; font-weight: 800;
}
.brand-txt { font-size: 0.95rem; }
.brand-txt span { display: block; font-size: 0.7rem; font-weight: 500; color: var(--muted); }
#nav-toggle {
  display: inline-flex; background: transparent; border: 1px solid var(--line);
  color: var(--text); border-radius: 10px; padding: 8px 10px; cursor: pointer;
}
.nav { display: none; }
.nav.open {
  display: flex; flex-direction: column; gap: 6px;
  position: absolute; left: 0; right: 0; top: 64px;
  background: var(--bg-2); border-bottom: 1px solid var(--line);
  padding: 12px 16px 16px;
}
.nav a { color: var(--text); padding: 8px 4px; text-decoration: none; }
.nav a:hover { color: var(--gold); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 0; cursor: pointer; text-decoration: none;
  border-radius: 999px; font-weight: 600; padding: 12px 20px;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-gold {
  background: linear-gradient(180deg, #f0d78a, var(--gold-2));
  color: #1a1608; box-shadow: 0 8px 20px rgba(201, 162, 39, 0.28);
}
.btn-gold:hover { background: linear-gradient(180deg, #f6e2a4, #d4ad3a); }
.btn-ghost {
  background: transparent; color: var(--text);
  border: 1px solid var(--line);
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }
.hdr-cta { display: none; }

/* Hero */
.hero { padding: 48px 0 32px; }
.hero-grid { display: grid; gap: 28px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--gold); font-size: 0.82rem; font-weight: 600;
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 12px;
}
.hero h1 { margin-bottom: 12px; }
.hero .lead { font-size: 1.08rem; max-width: 38rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 18px; }
.facts { display: flex; flex-wrap: wrap; gap: 10px 18px; padding: 0; margin: 0; list-style: none; }
.facts li {
  color: var(--muted); font-size: 0.92rem;
  padding-left: 14px; position: relative;
}
.facts li::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); position: absolute; left: 0; top: 0.55em;
}

.map-card {
  background: linear-gradient(180deg, var(--surface), var(--surface-2));
  border: 1px solid var(--line); border-radius: 24px;
  padding: 22px 20px; box-shadow: var(--shadow);
  min-height: 260px; display: flex; flex-direction: column; justify-content: space-between;
  position: relative; overflow: hidden;
}
.map-card::after {
  content: "🇻🇳";
  position: absolute; right: -8px; bottom: -18px;
  font-size: 140px; opacity: 0.12; pointer-events: none;
}
.map-label { color: var(--gold); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; }
.map-title { font-size: 1.35rem; font-weight: 700; margin: 8px 0 0; }
.map-note { margin: 0; font-size: 0.92rem; }

/* Sections */
section { padding: 48px 0; }
.sec-head { margin-bottom: 22px; max-width: 40rem; }
.sec-head p { margin-bottom: 0; }

/* Demo placeholders */
.demo-grid { display: grid; gap: 14px; }
.ph {
  background: var(--surface);
  border: 1px dashed rgba(230, 197, 106, 0.35);
  border-radius: var(--radius);
  min-height: 180px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center; padding: 24px; color: var(--muted);
  gap: 6px;
}
.ph-video { min-height: 220px; }
.ph strong { color: var(--text); font-weight: 600; }
.ph span { font-size: 0.88rem; }
.demo-grid[hidden] { display: none; }
.demo-grid:not([hidden]) + .demo-ask { margin-top: 14px; min-height: 0; }
.demo-ask { min-height: 0; }
.demo-ask .btn { margin-top: 10px; }
.demo-item { margin: 0; background: var(--surface); border-radius: var(--radius); overflow: hidden; }
.demo-item img, .demo-item video { width: 100%; height: auto; display: block; background: #000; }
.demo-item figcaption { padding: 10px 14px; font-size: 0.88rem; color: var(--muted); }

/* Tên giao dịch */
.buyer-box {
  background: rgba(230, 197, 106, 0.1); border: 1px solid rgba(230, 197, 106, 0.45);
  border-radius: 12px; padding: 12px 14px; margin: 0 0 14px; display: grid; gap: 2px;
}
.buyer-box .lbl { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.buyer-name { font-size: 1.3rem; color: var(--gold); font-weight: 800; }
.buyer-note { font-size: 0.8rem; color: var(--muted); }
.buyer-pay { color: var(--gold); white-space: nowrap; }

/* Features */
.feat-grid { display: grid; gap: 12px; }
.feat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 18px 16px;
}
.feat-ico { font-size: 1.35rem; margin-bottom: 8px; }
.feat h3 { font-size: 1.05rem; margin-bottom: 6px; }
.feat p { margin: 0; font-size: 0.94rem; }

/* Price */
.price-card {
  background: linear-gradient(180deg, #2a3224, #1c2219);
  border: 1px solid rgba(230, 197, 106, 0.35);
  border-radius: 24px;
  padding: 28px 24px;
  max-width: 460px;
  box-shadow: var(--shadow);
}
.price-card .tag {
  display: inline-block; background: rgba(230, 197, 106, 0.15);
  color: var(--gold); font-weight: 700; font-size: 0.82rem;
  padding: 4px 10px; border-radius: 999px; margin-bottom: 10px;
}
.price-now { font-size: clamp(2.2rem, 6vw, 2.8rem); font-weight: 800; color: var(--gold); margin: 0; }
.price-old { color: var(--muted); text-decoration: line-through; margin: 0 0 4px; }
.price-card ul { list-style: none; padding: 0; margin: 16px 0 22px; }
.price-card li {
  padding: 7px 0 7px 22px; position: relative; color: var(--text); font-size: 0.95rem;
}
.price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 700; }

/* Steps */
.steps { display: grid; gap: 12px; counter-reset: step; }
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 16px 16px 64px;
  position: relative;
}
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute; left: 16px; top: 16px;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(230, 197, 106, 0.15); color: var(--gold);
  display: grid; place-items: center; font-weight: 700;
}
.step h3 { font-size: 1.02rem; margin-bottom: 4px; }
.step p { margin: 0; font-size: 0.94rem; }

/* Guide */
.guide { display: grid; gap: 12px; }
.guide article {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.guide h3 { font-size: 1.05rem; }
.guide p, .guide ol { margin: 0; color: var(--muted); font-size: 0.95rem; }
.guide ol { padding-left: 1.15em; }

/* FAQ */
.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  margin-bottom: 8px;
  overflow: hidden;
}
.faq-item button {
  width: 100%; text-align: left; background: transparent; border: 0;
  color: var(--text); font-weight: 600; font-size: 1rem;
  padding: 14px 16px; cursor: pointer;
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
}
.faq-item button::after { content: "+"; color: var(--gold); font-size: 1.2rem; }
.faq-item.open button::after { content: "–"; }
.faq-item .ans { display: none; padding: 0 16px 14px; color: var(--muted); font-size: 0.95rem; }
.faq-item.open .ans { display: block; }

/* Footer */
.ft {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px;
  color: var(--muted); font-size: 0.92rem;
}
.ft-in { display: grid; gap: 18px; }
.ft a { color: var(--text); }
.ft-links { display: flex; flex-wrap: wrap; gap: 12px 18px; }
.ft-links a[hidden], a[hidden], .hdr-cta[hidden] { display: none !important; }

/* Modal */
body.modal-open { overflow: hidden; }
.modal[hidden] { display: none; }
.modal {
  position: fixed; inset: 0; z-index: 80;
  display: grid; place-items: end center;
}
.backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.62); }
.sheet {
  position: relative; z-index: 1;
  background: var(--bg-2);
  width: min(100%, 480px);
  max-height: 96vh; overflow: auto;
  border-radius: 24px 24px 0 0;
  border: 1px solid var(--line);
  padding: 16px 18px 20px;
  box-shadow: var(--shadow);
}
.sheet h2 { margin-right: 36px; margin-bottom: 6px; }
.sheet-close {
  position: absolute; top: 14px; right: 14px;
  width: 36px; height: 36px; border-radius: 50%;
  border: 1px solid var(--line); background: transparent; color: var(--text);
  cursor: pointer; font-size: 1.2rem;
}
.qr-box {
  background: #fff; border-radius: 16px; padding: 10px;
  display: grid; place-items: center; margin: 6px 0 12px;
  min-height: 0;
}
.qr-box img { width: min(100%, 240px); height: auto; }
.qr-fallback { color: #333; text-align: center; font-size: 0.9rem; padding: 24px; }
.pay-rows { display: grid; gap: 8px; margin-bottom: 14px; }
.pay-row {
  display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; padding: 10px 12px;
}
.pay-row .lbl { display: block; font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; }
.pay-row .val { font-weight: 650; word-break: break-all; }
.copy {
  border: 0; background: rgba(230, 197, 106, 0.15); color: var(--gold);
  border-radius: 8px; padding: 6px 10px; cursor: pointer; font-size: 0.82rem; font-weight: 600;
}
.copy.copied { background: var(--leaf); color: #fff; }
.hint { font-size: 0.88rem; margin: 0 0 10px; }
.sheet .btn { width: 100%; }

@media (min-width: 720px) {
  #nav-toggle { display: none; }
  .nav, .nav.open {
    display: flex; flex-direction: row; position: static;
    background: none; border: 0; padding: 0; gap: 18px; align-items: center;
  }
  .hdr-cta { display: inline-flex; }
  .hero { padding: 72px 0 48px; }
  .hero-grid { grid-template-columns: 1.15fr 0.85fr; align-items: center; }
  .demo-grid { grid-template-columns: 1.4fr 1fr; }
  .ph-video { grid-row: span 2; min-height: 100%; }
  .feat-grid { grid-template-columns: 1fr 1fr; }
  .steps, .guide { grid-template-columns: 1fr 1fr; }
  .steps .step:nth-child(1) { grid-column: 1 / -1; }
  .ft-in { grid-template-columns: 1.3fr 1fr; align-items: start; }
  .modal { place-items: center; }
  .sheet { border-radius: 24px; padding: 22px 24px 24px; }
}

@media (min-width: 980px) {
  .feat-grid { grid-template-columns: 1fr 1fr 1fr; }
  .demo-grid { grid-template-columns: 1.5fr 1fr 1fr; }
  .ph-video { grid-row: span 2; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps .step:nth-child(1) { grid-column: auto; }
}


@media (max-width: 719px) {
  .qr-box { padding: 8px; margin: 4px 0 8px; }
  .qr-box img { width: min(100%, 188px); }
  .sheet { padding: 12px 14px 16px; max-height: 96vh; }
  .sheet h2 { font-size: 1.25rem; }
  .hint { font-size: 0.82rem; margin: 0 0 8px; }
  .pay-row { padding: 7px 10px; }
  .pay-rows { gap: 6px; margin-bottom: 8px; }
}

/* ---------- Mô phỏng livestream 3D ---------- */
.live-wrap { display: grid; justify-items: center; gap: 10px; }
.live-phone {
  position: relative; width: min(100%, 340px); aspect-ratio: 9 / 16; border-radius: 26px; overflow: hidden;
  background: #1a0709; border: 1px solid rgba(230, 197, 106, 0.35);
  box-shadow: 0 30px 80px rgba(0,0,0,.55), 0 0 0 6px rgba(255,255,255,.03);
  font-size: 12px; color: #fff4dc; isolation: isolate; user-select: none;
}
.live-phone video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.live-phone.ld-fail canvas { display: none; }
.ld-cap { font-size: 0.82rem; text-align: center; max-width: 340px; margin: 0; }
.ld-top { position: absolute; top: 10px; left: 10px; right: 10px; display: flex; justify-content: space-between; z-index: 3; }
.ld-live { background: #ff2d55; color: #fff; font-weight: 800; padding: 2px 8px; border-radius: 6px; font-size: 11px; letter-spacing: .05em; }
.ld-view { background: rgba(0,0,0,.45); padding: 2px 9px; border-radius: 99px; }
.ld-round { position: absolute; top: 38px; left: 50%; transform: translateX(-50%); z-index: 3; background: rgba(20,6,6,.7); border: 1px solid rgba(233,189,98,.5); color: #f7c25a; font-weight: 800; padding: 3px 12px; border-radius: 99px; font-size: 11px; white-space: nowrap; }
.ld-fest { position: absolute; top: 64px; left: 50%; transform: translateX(-50%) scale(.8); opacity: 0; z-index: 3; background: linear-gradient(90deg,#e0561a,#f7c25a); color: #2a0a04; font-weight: 800; padding: 3px 10px; border-radius: 99px; font-size: 11px; white-space: nowrap; transition: .3s; }
.live-phone.fest .ld-fest { opacity: 1; transform: translateX(-50%) scale(1); animation: ldPulse .6s ease-in-out infinite alternate; }
@keyframes ldPulse { to { filter: brightness(1.25); } }
.ld-rank { position: absolute; top: 92px; right: 8px; z-index: 3; list-style: none; margin: 0; padding: 0; display: grid; gap: 3px; width: 44%; }
.ld-rank li { display: flex; align-items: center; gap: 5px; background: rgba(20,6,6,.62); border-radius: 7px; padding: 3px 6px; font-size: 10.5px; white-space: nowrap; overflow: hidden; }
.ld-rank li span { color: #e9bd62; font-weight: 800; width: 10px; }
.ld-rank li b { margin-left: auto; color: #f7c25a; }
.ld-rank li.top { background: linear-gradient(90deg, rgba(224,86,26,.85), rgba(168,28,18,.75)); }
.ld-feed { position: absolute; left: 8px; bottom: 10px; width: 62%; z-index: 3; display: grid; gap: 3px; }
.ld-msg { background: rgba(0,0,0,.4); border-radius: 8px; padding: 3px 7px; font-size: 10.5px; line-height: 1.35; animation: ldIn .3s ease-out; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ld-msg b { color: #f7c25a; font-weight: 700; }
@keyframes ldIn { from { opacity: 0; transform: translateY(6px); } }
.ld-fx { position: absolute; inset: 0; z-index: 2; pointer-events: none; overflow: hidden; }
.ld-float, .ld-av, .ld-cup, .ld-isle { position: absolute; left: 0; top: 0; will-change: transform; }
.ld-float { font-weight: 800; color: #ffe08a; font-size: 13px; text-shadow: 0 1px 3px #000; }
.ld-float.h { color: #ff5d7a; } .ld-float.g { font-size: 16px; }
.ld-isle { font-size: 9px; color: #e9bd62; opacity: .85; white-space: nowrap; text-shadow: 0 1px 2px #000; }
.ld-av { width: 34px; height: 34px; border-radius: 50%; border: 2px solid #f7c25a; display: grid; place-items: center; font-weight: 800; font-size: 15px; color: #fff; box-shadow: 0 0 14px rgba(247,194,90,.8); }
.ld-cup { font-size: 46px; opacity: 0; filter: drop-shadow(0 0 14px rgba(247,194,90,.9)); transition: opacity .4s; }
.ld-cup.on { opacity: 1; }
.ld-heart { position: absolute; right: 16px; bottom: 60px; font-size: 18px; z-index: 2; animation: ldHeart 2.3s ease-out forwards; }
@keyframes ldHeart { 0% { opacity: 0; transform: translate(0,0) scale(.5); } 15% { opacity: 1; transform: translate(0,-20px) scale(1.1); } 100% { opacity: 0; transform: translate(var(--dx), -190px) rotate(var(--r)) scale(.9); } }
.ld-big { position: absolute; left: 6%; right: 6%; top: 40%; z-index: 4; text-align: center; font-weight: 900; font-size: 22px; line-height: 1.2; color: #fff4dc; text-shadow: 0 2px 0 #7a1f1c, 0 4px 18px rgba(0,0,0,.8); opacity: 0; transform: scale(.6); transition: opacity .25s, transform .35s cubic-bezier(.2,1.6,.4,1); pointer-events: none; }
.ld-big small { display: block; font-size: 12px; font-weight: 700; color: #f7c25a; margin-top: 4px; }
.ld-big.on { opacity: 1; transform: scale(1); }
.ld-big.boom { color: #ffdf7a; font-size: 21px; }
.ld-big.boom.on { animation: ldShake .12s linear 8; }
.ld-big.win { top: 26%; color: #f7c25a; }
@keyframes ldShake { 0%,100% { translate: 0 0; } 25% { translate: -3px 2px; } 75% { translate: 3px -2px; } }
.ld-banner { position: absolute; left: 8px; right: 8px; bottom: 118px; z-index: 4; background: linear-gradient(90deg, rgba(168,28,18,.92), rgba(224,86,26,.85)); border: 1px solid rgba(247,194,90,.7); border-radius: 12px; padding: 7px 10px; font-size: 12px; font-weight: 600; opacity: 0; transform: translateX(-30px); transition: .35s; }
.ld-banner.on { opacity: 1; transform: none; }
.ld-banner small { display: block; font-weight: 500; color: #ffe2b0; font-size: 10.5px; }
.ld-gname { color: #fff1c4; font-weight: 800; }
@media (prefers-reduced-motion: reduce) { .ld-heart, .ld-big.boom.on, .live-phone.fest .ld-fest { animation: none; } }

/* ---------- Đơn hàng ---------- */
.order-step { border-top: 1px solid rgba(230,197,106,.25); margin-top: 16px; padding-top: 16px; }
.order-step h3 { font-size: 1.05rem; margin-bottom: 6px; }
#order-form { display: grid; gap: 10px; }
#order-form label { display: grid; gap: 4px; font-size: .8rem; color: var(--muted); font-weight: 600; }
#order-form input { padding: 11px 12px; border-radius: 10px; border: 1px solid rgba(230,197,106,.3); background: rgba(0,0,0,.25); color: var(--text); font-size: 1rem; }
#order-form input:focus { outline: 2px solid var(--gold); border-color: transparent; }
#order-form .hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-msg { color: #ff8a7a; font-size: .88rem; margin: 0; min-height: 1.2em; }
#order-submit:disabled { opacity: .6; cursor: wait; }
.zalo-help { margin-top: 12px; }
.spin { width: 28px; height: 28px; border-radius: 50%; border: 3px solid rgba(230,197,106,.25); border-top-color: var(--gold); animation: spin 1s linear infinite; margin: 6px auto 0; }
@keyframes spin { to { transform: rotate(360deg); } }
.order-bar { position: fixed; left: 50%; bottom: 14px; transform: translateX(-50%); z-index: 60; background: #241a14; border: 1px solid rgba(230,197,106,.5); border-radius: 99px; padding: 9px 16px; font-size: .9rem; box-shadow: 0 10px 30px rgba(0,0,0,.5); max-width: calc(100% - 32px); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.order-bar[hidden] { display: none; }
.order-bar a { margin-left: 6px; font-weight: 700; }
@media (prefers-reduced-motion: reduce) { .spin { animation: none; } }

/* Cách mua gọn */
#mua .wrap { text-align: center; }
.buy3 { list-style: none; counter-reset: b; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 28px; padding: 0; margin: 4px 0 22px; }
.buy3 li { counter-increment: b; display: flex; align-items: center; gap: 8px; color: var(--muted); }
.buy3 li::before { content: counter(b); width: 26px; height: 26px; border-radius: 50%; background: var(--gold); color: #1a1608; font-weight: 800; display: grid; place-items: center; font-size: .85rem; }
.buy3 b { color: var(--text); }

/* ---------- Bố cục bán hàng gọn ---------- */
.hero h1 { font-size: clamp(2.3rem, 6.5vw, 3.7rem); line-height: 1.08; }
.hero .hl { color: var(--gold); }
.hero .lead { font-size: 1.12rem; }
.btn-big { padding: 16px 30px; font-size: 1.08rem; }
.hero-note { font-size: .9rem; margin: 10px 0 0; }
.hero-grid { align-items: center; }
.hooks { padding: 8px 0 36px; }
.hook-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.hook { display: flex; align-items: center; gap: 10px; background: var(--surface); border: 1px solid rgba(230,197,106,.18); border-radius: 14px; padding: 14px 16px; }
.hook span { font-size: 1.6rem; }
.hook b { font-size: .98rem; line-height: 1.3; }
@media (min-width: 900px) { .hook-grid { grid-template-columns: repeat(4, 1fr); } }
#gia .price-card { text-align: center; margin-inline: auto; }
#gia .buy3 { margin: 18px 0 22px; }
.price-sub { font-size: .85rem; margin: 14px 0 0; }
#hoi-dap h2 { margin-bottom: 16px; }
#hoi-dap .faq { max-width: 720px; }
.buy3 li { gap: 10px; }
.buy3 li::before { flex: none; margin-right: 2px; }
@media (max-width: 599px) {
  .hook { flex-direction: column; text-align: center; gap: 6px; padding: 14px 10px; }
  .hook b { font-size: .92rem; }
}

.wait-line { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 14px 0 0; font-size: .9rem; }
.wait-line .spin { width: 18px; height: 18px; border-width: 2px; margin: 0; }
.toast { position: fixed; left: 50%; top: 16px; transform: translate(-50%, -20px); opacity: 0; z-index: 200; max-width: calc(100% - 32px); padding: 14px 18px; border-radius: 14px; font-weight: 700; box-shadow: 0 14px 40px rgba(0,0,0,.5); transition: .35s; text-align: center; }
.toast.on { opacity: 1; transform: translate(-50%, 0); }
.toast.ok { background: #1f6b3a; color: #eafff0; border: 1px solid #4fd37f; }
.toast.bad { background: #6b231f; color: #ffecea; border: 1px solid #ff6b5b; }