html, body {
  margin: 0;
  padding: 0;
  width: 100%;
}

body > *:nth-child(2n) {
  background-color: #f3f3f3;
}


header {
  padding: 0 20px;
  height: 70px;

  display: flex;
  align-items: center;

  background-color: #000;
}

.product-meta {
  margin: 0 auto;

  display: flex;
  align-items: center;
  gap: 10px;
}

.product-meta h1 {
  color: #fff;
  font-size: 2.5rem;
}

.product-meta img {
  width: 50px;
  height: 50px;
}


section {
  width: 100%;
}

section.product-banner {
  background-color: #fff;
}

section.product-banner > img {
  width: 100%;
  filter: brightness(0.9);
}

.description-card {
  box-sizing: border-box;
  margin: 0 auto;
  padding: 1rem;
  width: 100%;
  max-width: 1200px;

  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}
section:nth-child(2n) .description-card {
  flex-direction: row-reverse;
}

.description-text {
  flex: 2;
  min-width: 300px;
  color: #555;
}
@media (max-width: 768px) {
  .description-text {
    flex: 100%;
  }
}

.description-text h1 {
  font-size: 3rem;
  color: #00bbcc;
}

.description-text .product-wx {
  width: 160px;
}

.description-image {
  flex: 3;
  align-self: center;
}
.description-image img {
  width: 100%;
}


footer {
  width: 100%;
  padding-bottom: 0.5rem;
}

footer div {
  width: 100%;
  text-align: center;
}

footer .copyright p {
  font-size: 0.8rem;
  color: #888;
}

footer .icp-record a {
  font-size: 0.8rem;
  color: #aaa;
  text-decoration: none;
}