:root {
  --bg: #f6f7f7;
  --surface: #ffffff;
  --surface-soft: #f7f8f8;
  --accent: #2c84d8;
  --accent-soft: #eaf3fc;
  --ink: #2f3841;
  --muted: #66727d;
  --line: #dfe5e7;
  --shadow-md: 0 12px 28px rgba(15, 23, 32, 0.06);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 999px;
  --font-body:
    "Avenir Next", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
    "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #ffffff 0, #ffffff 220px, var(--bg) 220px, var(--bg) 100%);
  font-family: var(--font-body);
}

.utility-bar {
  width: min(1360px, calc(100vw - 40px));
  margin: 0 auto;
  min-height: 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 12px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.utility-bar__links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.utility-bar__links a,
.utility-bar__meta {
  font-weight: 500;
}

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

button {
  font: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.topbar__brand,
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-lockup__mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(180deg, #16212b, #243746);
  color: #fff;
  font-size: 0.92rem;
  font-weight: 600;
}

.brand-lockup__title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.brand-lockup__meta {
  color: var(--muted);
  font-size: 0.82rem;
}

.discover-pill {
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: #4a5560;
  font-size: 0.9rem;
  font-weight: 500;
}

.search-pill {
  max-width: 620px;
  min-height: 62px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  box-shadow: 0 8px 20px rgba(15, 23, 32, 0.04);
}

.search-pill__icon {
  font-size: 1.2rem;
}

.search-pill__text {
  font-size: 1rem;
  font-weight: 800;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #4a5560;
  font-size: 0.92rem;
  font-weight: 500;
}

.detail-main {
  width: min(1360px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.breadcrumbs,
.detail-header__meta,
.booking-card__price-meta,
.booking-field__label,
.supplier-card__item,
.content-card p,
.detail-fact__label {
  color: var(--muted);
}

.breadcrumbs {
  font-size: 0.92rem;
  line-height: 1.7;
}

.detail-header {
  margin-top: 18px;
}

.detail-header__eyebrow,
.booking-card__tag {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-header__title {
  margin: 14px 0 0;
  max-width: 18ch;
  font-size: clamp(2.4rem, 4.4vw, 4rem);
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 600;
}

.detail-header__meta {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.detail-header__meta span {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: #fff;
  font-size: 0.92rem;
  font-weight: 500;
}

.benefit-strip {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.benefit-strip__item {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
  color: var(--muted);
  text-align: center;
  font-size: 0.9rem;
  font-weight: 500;
}

.detail-shell {
  margin-top: 26px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 390px;
  gap: 24px;
  align-items: start;
}

.gallery-panel {
  display: grid;
  gap: 14px;
}

.gallery-panel__main {
  position: relative;
  min-height: 620px;
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(15, 23, 32, 0.1), rgba(15, 23, 32, 0.2));
  box-shadow: var(--shadow-md);
}

.gallery-panel__award {
  position: absolute;
  left: 24px;
  top: 24px;
  padding: 0 14px;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.96);
  color: #4b5660;
  font-size: 0.9rem;
  font-weight: 500;
}

.gallery-panel__actions {
  position: absolute;
  right: 24px;
  top: 24px;
  display: flex;
  gap: 10px;
}

.overlay-pill,
.gallery-panel__nav {
  border: 0;
  background: rgba(255, 255, 255, 0.96);
  color: #4b5660;
  box-shadow: var(--shadow-md);
  cursor: pointer;
}

.overlay-pill {
  min-height: 40px;
  padding: 0 14px;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 500;
}

.gallery-panel__nav {
  position: absolute;
  top: 50%;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 1.8rem;
  line-height: 1;
  transform: translateY(-50%);
}

.gallery-panel__nav--prev {
  left: 20px;
}

.gallery-panel__nav--next {
  right: 20px;
}

.gallery-panel__thumbs {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}

.thumb-card {
  min-height: 92px;
  border: 2px solid transparent;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(15, 23, 32, 0.08), rgba(15, 23, 32, 0.18));
  cursor: pointer;
}

.thumb-card.is-active {
  border-color: #1c2a35;
}

.booking-card,
.content-card {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--surface);
  box-shadow: 0 4px 16px rgba(15, 23, 32, 0.03);
}

.booking-card {
  position: sticky;
  top: 96px;
  padding: 24px;
}

.booking-card__price {
  margin-top: 14px;
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: -0.05em;
  font-weight: 600;
}

.booking-card__price-meta {
  margin-top: 10px;
  font-size: 0.94rem;
  line-height: 1.6;
}

.booking-card__status-row {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.booking-status-pill,
.booking-source-pill {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: #44515c;
  font-size: 0.86rem;
  font-weight: 500;
}

.booking-grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}

.booking-field {
  padding: 16px 18px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-soft);
}

.booking-field:nth-child(2n) {
  border-right: 0;
}

.booking-field--full {
  grid-column: 1 / -1;
  border-bottom: 0;
}

.booking-field__label {
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.booking-field__value {
  margin-top: 8px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
}

.booking-card__cta {
  margin-top: 20px;
  min-height: 54px;
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(180deg, #3b96ea, #247bcc);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  box-shadow: inset 0 -1px 0 rgba(0, 0, 0, 0.14);
}

.booking-card__cta[aria-disabled="true"] {
  background: #d6dde0;
  color: #677581;
  pointer-events: none;
  box-shadow: none;
}

.booking-card__note {
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.6;
}

.booking-card__benefits {
  margin-top: 20px;
  padding: 18px;
  border-radius: 18px;
  background: var(--accent-soft);
  display: grid;
  gap: 12px;
}

.benefit-item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
}

.benefit-item__icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 600;
}

.benefit-item__text {
  font-size: 0.94rem;
  line-height: 1.6;
}

.supplier-card {
  margin-top: 20px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-soft);
  display: grid;
  gap: 10px;
}

.supplier-card__title {
  font-size: 1rem;
  font-weight: 600;
}

.supplier-card__item {
  font-size: 0.92rem;
  line-height: 1.55;
}

.detail-sections {
  margin-top: 28px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 20px;
}

.content-card {
  padding: 24px;
}

.content-card h2 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.1;
  letter-spacing: -0.03em;
  font-weight: 800;
}

.content-card p {
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.8;
}

.detail-facts {
  margin-top: 16px;
  display: grid;
  gap: 12px;
}

.detail-fact {
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.detail-fact__label {
  font-size: 0.84rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.detail-fact__value {
  margin-top: 6px;
  font-size: 0.98rem;
  font-weight: 500;
  line-height: 1.6;
}

@media (max-width: 1100px) {
  .detail-shell,
  .detail-sections {
    grid-template-columns: 1fr;
  }

  .booking-card {
    position: static;
  }

  .booking-card__status-row {
    flex-direction: column;
    align-items: start;
  }

  .benefit-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .topbar {
    grid-template-columns: 1fr;
    justify-items: start;
  }

  .search-pill {
    max-width: none;
    width: 100%;
  }

  .gallery-panel__thumbs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .utility-bar {
    width: min(100vw - 20px, 100%);
  }
}

@media (max-width: 720px) {
  .detail-main {
    width: min(100vw - 20px, 100%);
  }

  .detail-header__title {
    font-size: 2.4rem;
  }

  .gallery-panel__main {
    min-height: 420px;
  }

  .gallery-panel__actions {
    right: 16px;
    top: auto;
    bottom: 16px;
  }

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

  .booking-field {
    border-right: 0;
  }

  .detail-sections {
    gap: 16px;
  }

  .benefit-strip {
    grid-template-columns: 1fr;
  }
}