body {
  margin: 0;
  background: #f6f1e8;
  color: #1e332e;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  max-width: 520px;
  min-height: 100vh;
  margin: 0 auto;
  background: #fbf7ef;
  padding-bottom: 84px;
  box-shadow: 0 0 40px rgba(35, 24, 12, 0.08);
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: rgba(251, 247, 239, 0.94);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(151, 119, 62, 0.18);
}

.topbar a {
  font-size: 14px;
  font-weight: 800;
  color: #18352f;
}

.hero-img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #efe6d4;
}

.content {
  padding: 22px 18px;
}

.tag {
  display: inline-flex;
  padding: 7px 12px;
  border-radius: 999px;
  background: #e8f0e9;
  color: #31584f;
  font-size: 13px;
  font-weight: 800;
}

h1 {
  margin: 16px 0 0;
  font-size: 30px;
  line-height: 1.16;
}

.lead {
  margin: 12px 0 0;
  color: #70685f;
  font-size: 16px;
  line-height: 1.7;
}

.card {
  margin-top: 18px;
  padding: 18px;
  border-radius: 20px;
  background: #fffaf0;
  border: 1px solid rgba(151, 119, 62, 0.24);
  box-shadow: 0 12px 32px rgba(45, 30, 12, 0.06);
}

.card h2 {
  margin: 0;
  font-size: 20px;
}

.list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.list li {
  display: flex;
  gap: 10px;
  margin-top: 10px;
  color: #4c4942;
  font-size: 15px;
  line-height: 1.55;
}

.list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #c39a4b;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.chips span {
  padding: 7px 10px;
  border-radius: 999px;
  background: #f0eadc;
  color: #755e36;
  font-size: 13px;
  font-weight: 800;
}

.hint {
  margin: 8px 0 0;
  color: #80766c;
  font-size: 13px;
  line-height: 1.55;
}

.gallery {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.gallery img {
  display: block;
  width: 100%;
  max-height: 760px;
  object-fit: contain;
  border-radius: 16px;
  background: #f3eadc;
  border: 1px solid rgba(151, 119, 62, 0.18);
}

.product-video {
  display: block;
  width: 100%;
  margin-top: 14px;
  border-radius: 16px;
  background: #1e332e;
  border: 1px solid rgba(151, 119, 62, 0.18);
}

.qr {
  width: min(72vw, 280px);
  height: min(72vw, 280px);
  display: block;
  margin: 18px auto 0;
  object-fit: contain;
  border-radius: 18px;
  background: #fff;
  border: 1px solid rgba(151, 119, 62, 0.24);
}

.float-contact {
  position: fixed;
  left: 50%;
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 5;
  transform: translateX(-50%);
  width: min(440px, calc(100vw - 36px));
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: #c39a4b;
  color: #2d2112;
  font-weight: 900;
  box-shadow: 0 12px 26px rgba(55, 36, 8, 0.22);
}