.sticky-wrapper-inner {
  position: relative; /* Dễ kiểm soát và không phá sticky */
  top: 0;              /* Không cần nếu dùng fixed bằng JS */
  margin-top: 30px;    /* OK nếu muốn đẩy xuống chút */
  z-index: 999;        /* Đủ cao để nổi trên nền */
  width: 100%;         /* ✅ Responsive hơn */
  height: auto;
  max-height: none;
  overflow: visible;
}

.nts-sticky-banner {
  position: sticky;
  top: 100px;
  max-width: 100%;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  padding: 10px;
}

.nts-sticky-banner .swiper-slide {
  text-align: center;
  height: auto !important;
}

.banner-item {
  padding-bottom: 10px;
}

.nts-sticky-banner img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 8px;
  object-fit: cover;
}

.banner-btn {
  display: inline-block;
  margin-top: 10px;
  padding: 6px 16px;
  background-color: var(--primary-color);
  color: #fff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.banner-btn:hover {
  background-color: #28A34A;
}

.nts-banner-countdown {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 600;
  color: #d63d38;
}

@media (max-width: 768px) {
  .sticky-wrapper-inner {
    position: static !important;
    width: 100% !important;
    min-height: auto !important;
  }

  .nts-sticky-banner {
    position: static !important;
    box-shadow: none;
    margin-top: 20px;
  }

  .nts-sticky-banner .desktop {
    display: none;
  }

  .nts-sticky-banner .mobile {
    display: block;
  }
}

.nts-banner-countdown {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.countdown-box {
  background: rgba(0, 124, 186, 0.06);
  border-radius: 10px;
  padding: 12px 10px;
  min-width: 60px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 124, 186, 0.08);
  transition: all 0.3s ease;
}

.countdown-box span {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.countdown-box label {
  display: block;
  font-size: 12px;
  color: #555;
  margin-top: 4px;
  text-transform: lowercase;
  letter-spacing: 0.2px;
  font-family: 'Plus Jakarta Sans', sans-serif;
}

.countdown-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 124, 186, 0.15);
}