/* Google Ads 落地頁 — 高轉化、行動優先 */
body.gt-landing {
  margin: 0;
  font-family: "Inter", "Noto Sans TC", system-ui, sans-serif;
  background: #050a12;
  color: #e2e8f0;
  line-height: 1.6;
}
.gt-landing a { color: #38bdf8; }
.gt-container { max-width: 720px; margin: 0 auto; padding: 0 1rem; }
.gt-container-wide { max-width: 960px; margin: 0 auto; padding: 0 1rem; }

.gt-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(5, 10, 18, 0.92);
  border-bottom: 1px solid rgba(56, 189, 248, 0.12);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}
.gt-brand { font-weight: 700; color: #fff; text-decoration: none; font-size: 0.95rem; }
.gt-topbar-cta {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #22c55e, #16a34a);
  color: #fff !important;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
}

.gt-hero {
  padding: 2rem 0 2.5rem;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, #1e3a5f 0%, #050a12 70%);
}
.gt-hero h1 {
  font-size: clamp(1.55rem, 5vw, 2.15rem);
  line-height: 1.25;
  margin: 0 0 0.75rem;
  color: #fff;
}
.gt-hero .gt-sub {
  font-size: 1rem;
  color: #94a3b8;
  margin: 0 0 1.25rem;
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}
.gt-btn-primary {
  display: inline-block;
  width: 100%;
  max-width: 340px;
  padding: 1rem 1.5rem;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, #22c55e, #059669);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 8px 28px rgba(34, 197, 94, 0.35);
  cursor: pointer;
  text-align: center;
}
.gt-btn-primary:hover { filter: brightness(1.06); }
.gt-trust {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  margin-top: 1.25rem;
  font-size: 0.78rem;
  color: #64748b;
}
.gt-trust span { display: inline-flex; align-items: center; gap: 0.25rem; }

.gt-video-wrap {
  margin: 1.5rem auto 0;
  max-width: 560px;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(56, 189, 248, 0.2);
  background: #0b1220;
}
.gt-video-wrap iframe { width: 100%; height: 100%; border: 0; }

.gt-section { padding: 2.5rem 0; border-top: 1px solid rgba(255,255,255,0.06); }
.gt-section h2 { font-size: 1.25rem; margin: 0 0 1rem; color: #f1f5f9; text-align: center; }

.gt-ba-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 640px) {
  .gt-ba-grid { grid-template-columns: 1fr 1fr; }
}
.gt-ba-card {
  padding: 1.25rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
}
.gt-ba-card.bad { border-color: rgba(248, 113, 113, 0.25); }
.gt-ba-card.good { border-color: rgba(34, 197, 94, 0.25); }
.gt-ba-card h3 { margin: 0 0 0.75rem; font-size: 0.95rem; }
.gt-ba-card.bad h3 { color: #fca5a5; }
.gt-ba-card.good h3 { color: #86efac; }
.gt-ba-card ul { margin: 0; padding-left: 1.1rem; font-size: 0.88rem; color: #94a3b8; }

.gt-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}
@media (min-width: 640px) { .gt-features { grid-template-columns: repeat(3, 1fr); } }
.gt-feat {
  padding: 1rem;
  border-radius: 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  text-align: center;
  font-size: 0.82rem;
}
.gt-feat strong { display: block; color: #e2e8f0; margin-bottom: 0.25rem; font-size: 0.88rem; }

.gt-pricing-mini {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}
@media (min-width: 640px) { .gt-pricing-mini { grid-template-columns: repeat(3, 1fr); } }
.gt-price-card {
  padding: 1rem;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.85rem;
}
.gt-price-card.featured { border-color: #38bdf8; background: rgba(56,189,248,0.08); }
.gt-price-card .amt { font-size: 1.15rem; font-weight: 700; color: #4ade80; }

.gt-form-section {
  background: linear-gradient(180deg, rgba(30,58,95,0.35) 0%, #050a12 100%);
}
.gt-form-box {
  max-width: 420px;
  margin: 0 auto;
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  background: rgba(11, 18, 32, 0.95);
}
.gt-form-box label { display: block; font-size: 0.85rem; margin: 0.75rem 0 0.35rem; color: #cbd5e1; }
.gt-form-box input[type="text"],
.gt-form-box input[type="email"],
.gt-form-box input[type="password"] {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0f172a;
  color: #f1f5f9;
  font-size: 1rem;
  box-sizing: border-box;
}
.gt-trial-offer {
  font-size: 0.88rem;
  color: #ecfdf5;
  margin: 0 0 1rem;
  padding: 1rem 1rem 0.9rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.18) 0%, rgba(56, 189, 248, 0.12) 100%);
  border: 1px solid rgba(74, 222, 128, 0.35);
  text-align: left;
  line-height: 1.55;
}
.gt-trial-offer strong {
  display: block;
  font-size: 1rem;
  color: #fff;
  margin-bottom: 0.35rem;
}
.gt-trial-offer p { margin: 0.35rem 0 0; color: #bbf7d0; font-size: 0.84rem; }

.gt-pricing-strip {
  display: grid;
  gap: 0.65rem;
  margin: 1.25rem 0 0;
}
@media (min-width: 640px) {
  .gt-pricing-strip { grid-template-columns: repeat(3, 1fr); }
}
.gt-pricing-strip-item {
  padding: 1rem 0.75rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
  text-align: center;
}
.gt-pricing-strip-item.featured {
  border-color: rgba(74, 222, 128, 0.45);
  background: rgba(34, 197, 94, 0.1);
  box-shadow: 0 0 0 1px rgba(74, 222, 128, 0.15);
}
.gt-ps-label { display: block; font-size: 0.72rem; color: #94a3b8; text-transform: uppercase; letter-spacing: 0.04em; }
.gt-ps-price { display: block; font-size: 1.35rem; font-weight: 800; color: #4ade80; margin: 0.2rem 0; }
.gt-ps-note { display: block; font-size: 0.72rem; color: #64748b; }

.gt-demo-section { padding-top: 0; padding-bottom: 1.5rem; }
.gt-demo-section h2 { font-size: 1.05rem; margin-bottom: 0.75rem; }
.gt-checkbox { display: flex; gap: 0.5rem; align-items: flex-start; font-size: 0.78rem; color: #94a3b8; margin: 1rem 0; }
.gt-error { color: #fca5a5; font-size: 0.88rem; margin-bottom: 0.5rem; }

.gt-faq details {
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.02);
}
.gt-faq summary { cursor: pointer; font-weight: 600; font-size: 0.9rem; }
.gt-faq p { margin: 0.5rem 0 0; font-size: 0.85rem; color: #94a3b8; }

.gt-footer { padding: 2rem 1rem; text-align: center; font-size: 0.78rem; color: #64748b; }
.gt-footer a { margin: 0 0.5rem; }

.gt-float-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.65rem 1rem calc(0.65rem + env(safe-area-inset-bottom));
  background: rgba(5, 10, 18, 0.96);
  border-top: 1px solid rgba(34, 197, 94, 0.3);
  z-index: 200;
  backdrop-filter: blur(8px);
}
.gt-float-cta .gt-btn-primary { max-width: none; font-size: 0.95rem; padding: 0.85rem; }
@media (max-width: 768px) {
  .gt-float-cta.visible { display: block; }
}

.gt-exit-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 300;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.gt-exit-overlay.open { display: flex; }
.gt-exit-modal {
  max-width: 380px;
  width: 100%;
  padding: 1.5rem;
  border-radius: 16px;
  background: #0f172a;
  border: 1px solid rgba(56, 189, 248, 0.25);
  text-align: center;
}
.gt-exit-modal h3 { margin: 0 0 0.5rem; font-size: 1.1rem; }
.gt-exit-modal p { font-size: 0.88rem; color: #94a3b8; margin: 0 0 1rem; }
.gt-exit-close {
  margin-top: 0.75rem;
  background: none;
  border: none;
  color: #64748b;
  font-size: 0.8rem;
  cursor: pointer;
}

.compare-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.gt-landing .compare-table { font-size: 0.75rem; min-width: 520px; }