.product-page {
  width: min(1480px, 100%);
  margin: auto;
  padding: clamp(28px, 4vw, 60px);
  grid-template-columns: minmax(0, 1.06fr) minmax(370px, .94fr);
  gap: clamp(25px, 4vw, 62px);
  align-items: start;
}
.product-browser {
  min-width: 0;
  border: 1px solid #dce5f2;
  border-radius: 18px;
  box-shadow: 0 22px 50px rgba(22, 48, 85, .11);
}
.product-browser > div { height: 43px; background: #f7faff; }
.product-browser iframe { display: block; height: 635px; }
.product-copy {
  min-width: 0;
  padding: clamp(26px, 3vw, 40px);
  border: 1px solid #dfe8f5;
  border-radius: 22px;
  background: linear-gradient(155deg, #fff 70%, #f4f8ff);
  box-shadow: 0 18px 46px rgba(24, 55, 96, .07);
}
.product-copy > span {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  background: #eaf2ff;
  color: #1954bd;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .08em;
}
.product-copy h1 { margin: 15px 0 10px; color: #0c2344; font-size: clamp(34px, 3.5vw, 50px); }
.product-copy > p { margin: 0 0 22px; color: #576b83; font-size: 14px; line-height: 1.7; }
.product-price {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 17px 19px;
  border: 1px solid #cfe0fa;
  border-radius: 14px;
  background: #f2f7ff;
}
.product-price b { flex: 0 0 auto; color: #174fc2; font-size: clamp(35px, 3vw, 43px); line-height: 1; }
.product-price span { display: flex; flex-direction: column; gap: 3px; }
.product-price strong { color: #183559; font-size: 12px; }
.product-price small { margin: 0; color: #60738a; font-size: 11px; line-height: 1.4; }
.product-copy ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px 16px;
  margin: 22px 0;
  padding: 0;
  line-height: 1.4;
}
.product-copy li { color: #29415d; font-size: 12px; }
.product-copy li i { color: #059669; }
.product-copy li:last-child { grid-column: 1 / -1; }
.product-action-stack { gap: 11px !important; }
.btn-pay-now { min-height: 56px; border-radius: 11px; font-size: 14px; box-shadow: 0 11px 25px rgba(5, 150, 105, .2); }
.product-action-stack > small { margin-top: -3px; color: #8d4c13 !important; font-size: 11px; }
.open-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  margin: 0;
  border: 1px solid #bcd1f6;
  border-radius: 10px;
  background: #fff;
  color: #1954bf;
  font-size: 12px;
}
.open-preview:hover { background: #eaf2ff; color: #174ab2; }
.product-assurance { border-top: 3px solid #2563eb; }
.pay-modal-card { max-width: 495px; border-radius: 20px; }
.pay-modal-head { padding: 19px 22px; }
.pay-modal-body { padding: 23px; }
.pay-order-summary { border-radius: 13px; background: #f3f7ff; }
.pay-order-title { color: #15365c; }
.pay-order-price { color: #1955c7; }
.pay-guarantee-note { color: #52667e; }
@media (max-width: 1050px) {
  .product-page { grid-template-columns: 1fr; }
  .product-copy { order: 1; }
  .product-browser { order: 2; }
  .product-browser iframe { height: 480px; }
}
@media (max-width: 650px) {
  .product-page { padding: 18px 15px 28px; gap: 20px; }
  .product-copy { padding: 23px 20px; border-radius: 18px; }
  .product-copy h1 { font-size: 36px; }
  .product-copy ul { grid-template-columns: 1fr 1fr; }
  .product-price { gap: 12px; padding: 14px; }
  .product-price b { font-size: 36px; }
  .product-browser iframe { height: 380px; }
  .pay-modal-backdrop { padding: 12px; }
  .pay-modal-card { max-height: calc(100dvh - 24px); }
  .pay-modal-body { padding: 19px; }
}