body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: #f4f6f9;
  color: #2c2c2c;
}

.hero {
  background: linear-gradient(135deg, #0a4cff, #0033aa);
  color: #fff;
  padding: 50px 20px;
  text-align: center;
}

.hero.small { padding: 35px 20px; }

section {
  background: #fff;
  margin: 20px;
  padding: 25px;
  border-radius: 8px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 20px;
}

.card { border-left: 5px solid #0a4cff; padding: 20px; }

.links { text-align: center; }
.links a {
  display: inline-block;
  margin: 10px;
  color: #0a4cff;
  font-weight: bold;
  text-decoration: none;
}

.cta {
  background: #25D366;
  color: #fff;
  padding: 14px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
  margin-top: 20px;
}

.cta.center { display: block; margin: 30px auto; width: fit-content; }

.price { background: #eef2ff; text-align: center; }
.amount { font-size: 24px; font-weight: bold; color: #0a4cff; }

.qr-box { text-align: center; margin-top: 15px; }
.qr-box img {
  width: 140px; height: 140px;
  border-radius: 8px;
  border: 1px solid #ddd;
  background: #fff; padding: 6px;
}
.qr-box p { font-size: 14px; color: #555; }

footer {
  text-align: center;
  padding: 20px;
  font-size: 14px;
  color: #666;
}

/* Sticky QR */
.sticky-qr {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #fff;
  border-radius: 12px;
  padding: 10px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  text-align: center;
  z-index: 9999;
  width: 140px;
}

.sticky-qr img {
  width: 110px;
  height: 110px;
  border-radius: 8px;
}

.sticky-qr p {
  font-size: 12px;
  margin-top: 6px;
  color: #333;
}

@media (max-width:600px){
  .sticky-qr { width: 120px; right: 12px; bottom: 12px; }
  .sticky-qr img { width: 90px; height: 90px; }
}

ul {
  list-style: none;
  padding-left: 0;
}

ul li {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}