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

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: #1d2433;
  background:
    radial-gradient(circle at 12% 8%, rgba(240, 180, 78, 0.22), transparent 26%),
    radial-gradient(circle at 88% 0%, rgba(72, 161, 137, 0.18), transparent 28%),
    linear-gradient(135deg, #f7f3ea 0%, #eef4f0 52%, #f5efe6 100%);
}

a {
  color: inherit;
}

.page {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 28px;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 64px;
  padding: 12px 16px;
  border: 1px solid rgba(38, 48, 64, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 40px rgba(47, 56, 72, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 40px;
  border-radius: 8px;
  background: #1f2937;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  min-width: 58px;
  padding: 10px 12px;
  border-radius: 8px;
  color: #475467;
  text-align: center;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 700;
}

.nav-links a:hover {
  background: rgba(31, 41, 55, 0.08);
  color: #111827;
}

main {
  display: grid;
  gap: 22px;
  padding-top: 22px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 24px;
  align-items: stretch;
  min-height: 420px;
  padding: 34px;
  border: 1px solid rgba(38, 48, 64, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 250, 240, 0.9)),
    url("alipay-qrcode.jpg");
  background-size: cover;
  background-position: center;
  box-shadow: 0 24px 70px rgba(47, 56, 72, 0.12);
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 650px;
}

.eyebrow {
  margin-bottom: 10px;
  color: #b45f20;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 11em;
  font-size: clamp(2.35rem, 6vw, 4.8rem);
  line-height: 1.05;
  letter-spacing: 0;
  color: #151922;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 620px;
  margin-top: 18px;
  color: #4b5563;
  font-size: 1.08rem;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button,
.product-item a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 8px;
  background: #1f2937;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
}

.button:hover,
.product-item a:hover {
  background: #111827;
}

.button-secondary {
  background: #d97706;
}

.button-secondary:hover {
  background: #b45309;
}

.hero-panel {
  align-self: end;
  padding: 22px;
  border: 1px solid rgba(31, 41, 55, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
}

.hero-panel span {
  display: block;
  margin-bottom: 14px;
  color: #667085;
  font-weight: 800;
}

.hero-panel ol {
  display: grid;
  gap: 12px;
  padding-left: 22px;
  color: #1f2937;
  font-weight: 800;
}

.intro {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.intro div,
.section,
.contact-card {
  border: 1px solid rgba(38, 48, 64, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 18px 48px rgba(47, 56, 72, 0.08);
}

.intro div {
  display: grid;
  gap: 8px;
  padding: 20px;
}

.intro strong {
  color: #151922;
  font-size: 1.05rem;
}

.intro span {
  color: #667085;
  line-height: 1.75;
}

.section {
  padding: 28px;
}

.section-heading {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
}

.section-heading h2 {
  color: #151922;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.15;
}

.section-heading span {
  color: #667085;
  line-height: 1.7;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 280px;
  padding: 20px;
  border: 1px solid rgba(38, 48, 64, 0.12);
  border-radius: 8px;
  background: #fff;
}

.product-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.tag {
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(72, 161, 137, 0.14);
  color: #18705e;
  font-size: 0.84rem;
  font-weight: 800;
}

.price {
  color: #b45309;
  font-size: 1.25rem;
  font-weight: 900;
}

.product-item h3 {
  color: #151922;
  font-size: 1.25rem;
  line-height: 1.35;
}

.product-item p {
  flex: 1;
  color: #5b6472;
  line-height: 1.8;
}

.product-item a {
  width: fit-content;
  min-height: 42px;
  padding-inline: 16px;
}

.order-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.order-form label {
  display: grid;
  gap: 8px;
}

.order-form label span {
  color: #344054;
  font-size: 0.95rem;
  font-weight: 800;
}

.order-form input,
.order-form select,
.order-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 13px;
  border: 1px solid rgba(38, 48, 64, 0.18);
  border-radius: 8px;
  background: #fff;
  color: #151922;
  font: inherit;
}

.order-form textarea {
  min-height: 112px;
  resize: vertical;
}

.order-form input:focus,
.order-form select:focus,
.order-form textarea:focus {
  border-color: #d97706;
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.14);
  outline: none;
}

.full-field {
  grid-column: 1 / -1;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 4px;
}

.form-actions p {
  max-width: 620px;
  color: #5b6472;
  line-height: 1.75;
}

.form-actions button {
  min-height: 48px;
  padding: 12px 18px;
  border: 0;
  border-radius: 8px;
  background: #d97706;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-weight: 900;
  white-space: nowrap;
}

.form-actions button:hover {
  background: #b45309;
}

.payment-layout {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.qr-wrap {
  display: grid;
  place-items: center;
  padding: 16px;
  border: 1px solid rgba(38, 48, 64, 0.1);
  border-radius: 8px;
  background: #fff;
}

.qr-image {
  width: min(100%, 260px);
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 8px;
}

.payment-details {
  display: grid;
  gap: 12px;
}

.payment-details h3 {
  color: #151922;
  font-size: 1.35rem;
}

.payment-details p,
.contact-card p {
  color: #5b6472;
  line-height: 1.85;
}

.notice {
  padding: 14px 16px;
  border-left: 4px solid #d97706;
  border-radius: 8px;
  background: rgba(217, 119, 6, 0.1);
  color: #6b4d21;
  line-height: 1.8;
}

.contact-card {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  padding: 22px;
  background: #fff;
}

.contact-card span {
  display: block;
  margin-bottom: 6px;
  color: #667085;
  font-weight: 800;
}

.contact-card strong {
  color: #151922;
  font-size: clamp(1.35rem, 3vw, 2rem);
  word-break: break-word;
}

.footer {
  padding: 26px 0 4px;
  color: #667085;
  text-align: center;
  font-size: 0.95rem;
}

@media (max-width: 860px) {
  .hero,
  .payment-layout,
  .contact-card,
  .order-form {
    grid-template-columns: 1fr;
  }

  .full-field {
    grid-column: auto;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .hero {
    min-height: 0;
  }

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

  .hero-panel {
    align-self: stretch;
  }
}

@media (max-width: 560px) {
  .page {
    width: min(100% - 20px, 1120px);
    padding-top: 10px;
  }

  .site-header {
    position: static;
    align-items: stretch;
    flex-direction: column;
  }

  .brand {
    width: 100%;
  }

  .nav-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }

  .hero,
  .section {
    padding: 20px;
  }

  .hero-actions,
  .button,
  .product-item a {
    width: 100%;
  }
}