* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top, rgba(59,130,246,0.18), transparent 32%),
    linear-gradient(135deg, #0b1221, #11203a 40%, #131d2f 100%);
  color: #e2e8f0;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, rgba(96,165,250,0.12), transparent 30%);
  pointer-events: none;
}

.page {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px;
}

.hero {
  position: relative;
  text-align: center;
  padding: 50px 24px;
  border-radius: 32px;
  background: rgba(15, 23, 42, 0.96);
  border: 1px solid rgba(96, 165, 250, 0.18);
  box-shadow: 0 24px 70px rgba(15, 23, 42, 0.45);
}

.hero::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: rgba(59, 130, 246, 0.18);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #38bdf8);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 4rem);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}

.hero p {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.05rem;
  color: #cbd5e1;
  line-height: 1.8;
}

.hero-actions {
  margin-top: 28px;
  display: inline-flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  background: #2563eb;
  color: white;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.2s ease, background 0.2s ease;
}

.hero-actions a.secondary {
  background: rgba(255,255,255,0.08);
  color: #e2e8f0;
}

.hero-actions a:hover {
  transform: translateY(-2px);
}

.content {
  margin-top: 32px;
  display: grid;
  gap: 24px;
}

.box {
  padding: 28px;
  border-radius: 28px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.15);
  box-shadow: 0 18px 40px rgba(12, 18, 34, 0.28);
}

.intro ul {
  margin-top: 18px;
  list-style: none;
  display: grid;
  gap: 10px;
}

.intro ul li {
  position: relative;
  padding-left: 28px;
  color: #cbd5e1;
}

.intro ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #38bdf8;
}

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.section-heading h2 {
  font-size: 1.75rem;
  color: #f8fafc;
}

.section-heading span {
  color: #94a3b8;
  font-size: 0.96rem;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-item {
  padding: 24px;
  background: linear-gradient(180deg, rgba(15,23,42,0.96), rgba(15,23,42,0.88));
  border: 1px solid rgba(96, 165, 250, 0.16);
  border-radius: 24px;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.product-item:hover {
  transform: translateY(-6px);
  border-color: rgba(59, 130, 246, 0.34);
}

.product-item h3 {
  margin-bottom: 14px;
  font-size: 1.3rem;
  color: #fff;
}

.product-item p {
  color: #cbd5e1;
  line-height: 1.8;
  margin-bottom: 16px;
}

.price {
  display: inline-flex;
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(56, 189, 248, 0.12);
  color: #7dd3fc;
  font-weight: 700;
}

.payment-card {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 24px;
  align-items: center;
}

.payment-card img,
.qr-image {
  width: 100%;
  max-width: 240px;
  height: auto;
  border-radius: 24px;
  border: 1px solid rgba(148, 163, 184, 0.24);
  background: #fff;
}

.payment-details p {
  margin-bottom: 12px;
  color: #d1d5db;
  line-height: 1.8;
}

.contact-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 22px;
  border-radius: 22px;
  background: rgba(15, 23, 42, 0.94);
  border: 1px solid rgba(96, 165, 250, 0.16);
}

.contact-card p {
  color: #d1d5db;
  line-height: 1.8;
}

.contact-note {
  padding: 18px;
  border-radius: 18px;
  background: rgba(56, 189, 248, 0.12);
  color: #bfdbfe;
}

.footer {
  margin-top: 32px;
  text-align: center;
  color: #94a3b8;
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .payment-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .page {
    padding: 18px;
  }

  .hero {
    padding: 36px 18px;
  }

  .hero-actions {
    width: 100%;
  }

  .hero-actions a {
    width: 100%;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }
}