* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: #1e2629;
  background: #f6f4ed;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(246, 244, 237, .94);
  border-bottom: 1px solid #ddd7c7;
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: #0f766e;
  color: #fff;
  font-weight: 900;
}

.brand strong {
  display: block;
  font-size: 17px;
  line-height: 1.2;
}

.brand small {
  display: block;
  color: #6d7774;
  font-size: 12px;
}

.top-action,
.back,
.phone {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid #0f766e;
  border-radius: 6px;
  color: #0f766e;
  font-weight: 800;
}

.topbar.compact {
  justify-content: flex-start;
  gap: 18px;
}

.hero,
.detail-hero {
  min-height: 520px;
  display: flex;
  align-items: end;
  padding: 34px 18px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(18, 52, 56, .08), rgba(12, 29, 35, .88)),
    url("https://images.unsplash.com/photo-1500530855697-b586d89ba3ee?auto=format&fit=crop&w=1600&q=80") center/cover;
}

.hero-copy,
.detail-hero > div {
  width: min(980px, 100%);
  margin: 0 auto;
}

.kicker,
.eyebrow,
.section-title p,
.tag {
  margin: 0 0 7px;
  color: #b88d3f;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.hero h1,
.detail-hero h1 {
  max-width: 780px;
  margin: 0 0 14px;
  font-size: clamp(34px, 7vw, 58px);
  line-height: 1.08;
}

.hero p,
.detail-hero p {
  max-width: 680px;
  margin-top: 0;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.actions a,
.contact a,
.detail-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 6px;
  background: #0f766e;
  color: #fff;
  font-weight: 900;
}

.actions .secondary {
  background: rgba(255, 255, 255, .15);
  border: 1px solid rgba(255, 255, 255, .65);
}

.quick-nav {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: #ded8c9;
  border-bottom: 1px solid #ded8c9;
}

.quick-nav a {
  display: grid;
  gap: 3px;
  min-height: 74px;
  padding: 13px 8px;
  background: #fffaf0;
  text-align: center;
}

.quick-nav b {
  color: #0f766e;
  font-size: 13px;
}

.quick-nav span {
  font-weight: 900;
}

.section {
  width: min(1080px, 100%);
  margin: 0 auto;
  padding: 38px 18px;
}

.section-title h2 {
  margin: 0 0 18px;
  font-size: 28px;
  line-height: 1.2;
}

.product-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 14px;
}

.product-card,
.mini-card,
.category-card,
.notice,
.warning,
.contact {
  background: #fff;
  border: 1px solid #e2dccd;
  border-radius: 8px;
}

.product-card {
  overflow: hidden;
}

.product-card.feature {
  grid-row: span 3;
}

.product-cover,
.product-image {
  display: block;
  min-height: 280px;
}

.detail-hero.cruise,
.product-cover.cruise,
.product-image.cruise {
  background:
    linear-gradient(180deg, rgba(20, 45, 55, .05), rgba(13, 28, 35, .78)),
    url("https://images.unsplash.com/photo-1569263979104-865ab7cd8d13?auto=format&fit=crop&w=1600&q=80") center/cover;
}

.product-body {
  padding: 22px;
}

.product-body h3,
.mini-card h3,
.category-card h3 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.28;
}

.product-body p,
.mini-card span,
.category-card p,
.shelf-strip p,
.contact p {
  color: #54605d;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.meta span {
  padding: 6px 10px;
  background: #edf7f5;
  border-radius: 999px;
  color: #0f766e;
  font-size: 13px;
  font-weight: 800;
}

.mini-card {
  min-height: 148px;
  padding: 18px;
}

.mini-card p {
  margin: 0 0 6px;
  color: #0f766e;
  font-weight: 900;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.category-card {
  min-height: 188px;
  padding: 20px;
}

.category-card span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  border-radius: 50%;
  background: #0f766e;
  color: #fff;
  font-weight: 900;
}

.shelf-strip {
  width: min(1080px, calc(100% - 36px));
  margin: 0 auto 12px;
  padding: 20px;
  background: #fffaf0;
  border: 1px solid #e2dccd;
  border-radius: 8px;
}

.shelf-strip h2 {
  margin: 0 0 6px;
  font-size: 22px;
}

.shelf-strip p {
  margin: 0;
}

.notice,
.warning,
.contact {
  padding: 22px;
}

.compare {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.compare > div {
  padding: 18px;
  background: #fff;
  border: 1px solid #e2dccd;
  border-radius: 8px;
}

.compare h3 {
  margin-top: 0;
}

.compare ul {
  padding-left: 18px;
}

.timeline {
  display: grid;
  gap: 10px;
}

.timeline div {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  padding: 14px;
  background: #fff;
  border: 1px solid #e2dccd;
  border-radius: 8px;
}

.timeline b {
  color: #0f766e;
}

table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  background: #fff;
  border-radius: 8px;
}

th,
td {
  padding: 13px 10px;
  border-bottom: 1px solid #e9e2d0;
  text-align: left;
}

th {
  background: #0f766e;
  color: #fff;
}

.contact {
  width: min(1080px, calc(100% - 36px));
  margin: 38px auto 34px;
  text-align: center;
}

.contact h2 {
  margin: 0 0 8px;
  font-size: 28px;
}

.sticky-contact {
  margin-bottom: 30px;
}

@media (max-width: 760px) {
  .topbar {
    padding: 10px 12px;
  }

  .brand small {
    display: none;
  }

  .hero,
  .detail-hero {
    min-height: 500px;
    padding: 28px 16px;
  }

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

  .quick-nav a {
    min-height: 68px;
  }

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

  .product-card.feature {
    grid-row: auto;
  }

  .product-cover,
  .product-image {
    min-height: 220px;
  }

  .timeline div {
    grid-template-columns: 44px 1fr;
  }
}