:root {
  --bg: #faf8f4;
  --cream: #f6f2eb;
  --white: rgba(255, 255, 255, 0.78);
  --white-strong: rgba(255, 255, 255, 0.92);
  --mint: #8cbfae;
  --mint-soft: #dbeae4;
  --warm: #edd9c3;
  --ink: #2f2a26;
  --ink-soft: #72695e;
  --line: rgba(129, 118, 102, 0.12);
  --shadow: 0 24px 80px rgba(93, 77, 55, 0.08);
  --radius-xl: 34px;
  --radius-lg: 26px;
  --radius-md: 20px;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "Plus Jakarta Sans", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 20%, rgba(224, 239, 235, 0.72), transparent 24%),
    radial-gradient(circle at 82% 18%, rgba(255, 240, 224, 0.62), transparent 26%),
    radial-gradient(circle at 55% 52%, rgba(255, 255, 255, 0.72), transparent 34%),
    linear-gradient(180deg, #fcfbf8 0%, #f8f4ee 48%, #faf8f4 100%);
}

img {
  display: block;
  max-width: 100%;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid rgba(140, 191, 174, 0.45);
  outline-offset: 3px;
}

button,
input {
  font: inherit;
}

.page-shell {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
  padding: 22px 0 48px;
}

.site-header,
.hero,
.featured-section,
.purchase-info-section,
.site-footer,
.lookup-panel,
.product-stage {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.52);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.site-header {
  position: sticky;
  top: 18px;
  z-index: 20;
  border-radius: 999px;
  padding: 14px 22px;
}

.top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Noto Serif SC", serif;
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 14px;
  background: linear-gradient(135deg, #9dc8b9, #d7b799);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 800;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: var(--ink-soft);
  font-size: 0.94rem;
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--ink);
}

main {
  margin-top: 24px;
}

.hero,
.featured-section,
.purchase-info-section,
.site-footer,
.lookup-panel,
.product-stage {
  margin-top: 24px;
  border-radius: var(--radius-xl);
  padding: 34px;
}

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.9fr);
  gap: 32px;
  align-items: center;
}

.hero-pill,
.eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(140, 191, 174, 0.18);
  background: rgba(255, 255, 255, 0.56);
  color: #5d8f7b;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.hero-copy h1,
.section-heading h2,
.product-hero-copy h1 {
  margin: 20px 0 0;
  font-family: "Noto Serif SC", serif;
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 0.98;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: 0.22em;
  font-size: clamp(2.4rem, 4vw, 4rem);
  max-width: none;
}

.hero-title-line {
  display: block;
  white-space: nowrap;
}

.hero-title-line-accent {
  color: var(--mint);
}

.hero-text,
.section-text,
.footer-text,
.product-copy p,
.product-hero-copy p,
.purchase-info-item p,
.lookup-item-meta,
.lookup-hint,
.detail-notes,
.purchase-note {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.8;
}

.hero-text {
  margin-top: 18px;
  max-width: 48ch;
  font-size: 1.03rem;
}

.hero-actions,
.lookup-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.button,
.card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid rgba(129, 118, 102, 0.18);
  background: var(--white-strong);
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.button:hover,
.card-link:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: #2f2a26;
  color: #fff;
  box-shadow: 0 16px 34px rgba(47, 42, 38, 0.16);
}

.trust-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  color: var(--ink-soft);
}

.trust-score {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
}

.trust-copy {
  font-size: 0.94rem;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
}

.hero-stack {
  position: relative;
  width: min(100%, 610px);
  height: 470px;
}

.hero-stack-card {
  position: relative;
  overflow: hidden;
  border-radius: 32px;
  border: 0;
  padding: 0;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 20px 42px rgba(85, 72, 53, 0.14);
}

.hero-stack-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.hero-stack-card-front {
  position: absolute;
  top: 0;
  right: 0;
  width: 80%;
  height: 100%;
  z-index: 3;
}

.hero-stack-card-middle {
  position: absolute;
  left: 22px;
  bottom: 20px;
  width: 74%;
  height: 88%;
  z-index: 2;
  opacity: 0.22;
  transform: scale(0.965);
  filter: blur(1px) saturate(0.82);
}

.hero-stack-card-back {
  position: absolute;
  left: 8px;
  bottom: 8px;
  width: 68%;
  height: 82%;
  z-index: 1;
  opacity: 0.1;
  transform: scale(0.94);
  filter: blur(2px) saturate(0.72);
}

.hero-stack-card-ghost {
  pointer-events: none;
}

.is-reveal-ready {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 680ms ease, transform 680ms ease;
}

.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.section-heading {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.section-heading h2,
.product-hero-copy h1 {
  font-size: clamp(2rem, 3.3vw, 3.2rem);
}

.section-text {
  max-width: 54ch;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.product-card,
.lookup-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 18px 40px rgba(93, 77, 55, 0.08);
}

.product-card-live {
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.product-card-live:hover {
  transform: translateY(-4px);
  box-shadow: 0 22px 48px rgba(93, 77, 55, 0.14);
}

.product-media {
  min-height: 168px;
  background: var(--cream);
}

.product-media-live,
.product-hero-media-live {
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-media-live img,
.product-hero-media-live img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-copy {
  display: flex;
  flex-direction: column;
  min-height: 162px;
  padding: 16px;
}

.product-kicker {
  margin: 0 0 10px;
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.product-copy h3 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.product-summary {
  margin-top: 10px;
}

.product-badges,
.detail-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-badges {
  margin-top: 16px;
}

.product-badge,
.detail-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(219, 234, 228, 0.42);
  color: #58786d;
  font-size: 0.78rem;
  font-weight: 600;
}

.product-meta-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
}

.product-price-stack {
  display: grid;
  gap: 4px;
}

.product-price-stack strong,
.product-detail-price {
  font-family: "Noto Serif SC", serif;
  font-size: 1.56rem;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.product-price-original {
  color: rgba(114, 105, 94, 0.78);
  font-size: 0.84rem;
  text-decoration: line-through;
}

.purchase-info-list {
  display: grid;
  gap: 0;
}

.purchase-info-item {
  display: grid;
  grid-template-columns: 132px minmax(0, 1fr);
  gap: 18px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.purchase-info-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.purchase-info-item:last-child {
  padding-bottom: 0;
}

.purchase-info-item h3 {
  margin: 0;
  font-family: "Noto Serif SC", serif;
  font-size: 1.06rem;
  font-weight: 600;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  color: var(--ink-soft);
  font-weight: 600;
}

.product-page,
.lookup-page {
  margin-top: 24px;
}

.product-stage {
  display: grid;
  grid-template-columns: minmax(340px, 0.92fr) minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.product-hero-media {
  aspect-ratio: 4 / 5.2;
  border-radius: 28px;
  overflow: hidden;
  background: var(--cream);
}

.product-price-cluster {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.product-detail-price-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.product-price-save {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(255, 240, 224, 0.62);
  color: #a07348;
  font-size: 0.8rem;
  font-weight: 700;
}

.guest-form,
.lookup-form {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.guest-field,
.lookup-field {
  display: grid;
  gap: 10px;
  color: var(--ink);
  font-weight: 600;
}

.guest-field input,
.lookup-field input {
  min-height: 54px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
  padding: 0 16px;
  color: var(--ink);
}

.guest-field input::placeholder,
.lookup-field input::placeholder {
  color: rgba(114, 105, 94, 0.62);
}

.input-invalid {
  border-color: rgba(186, 77, 41, 0.66) !important;
  box-shadow: 0 0 0 3px rgba(186, 77, 41, 0.08);
}

.field-error {
  color: #b44b29;
  font-size: 0.84rem;
  line-height: 1.5;
}

.payment-section {
  margin-top: 22px;
}

.payment-section-label {
  margin-bottom: 12px;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.payment-methods {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.payment-method-card {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 56px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.86);
  cursor: pointer;
  color: var(--ink);
}

.payment-method-card.is-active {
  border-color: rgba(140, 191, 174, 0.38);
  background: rgba(240, 247, 244, 0.92);
  box-shadow: 0 0 0 4px rgba(140, 191, 174, 0.08);
}

.payment-method-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  color: #fff;
  font-size: 0.82rem;
  font-weight: 800;
}

.payment-method-icon-alipay {
  background: #1677ff;
}

.payment-method-icon-wxpay {
  background: #07c160;
}

.button-pay-hero {
  width: 100%;
  min-height: 58px;
  margin-top: 22px;
}

.form-status {
  margin-top: 16px;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  line-height: 1.7;
}

.form-status-error {
  background: rgba(186, 77, 41, 0.08);
  border-color: rgba(186, 77, 41, 0.2);
  color: #a64225;
}

.form-status-success {
  background: rgba(115, 143, 98, 0.12);
  border-color: rgba(115, 143, 98, 0.24);
  color: #51643d;
}

.detail-notes,
.purchase-note {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.lookup-panel {
  max-width: 820px;
  margin-inline: auto;
}

.lookup-result {
  margin-top: 20px;
}

.lookup-list {
  display: grid;
  gap: 14px;
}

.lookup-item {
  padding: 20px;
}

.lookup-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 10px;
}

.lookup-item-head strong {
  font-family: "Noto Serif SC", serif;
  font-size: 1.18rem;
  font-weight: 600;
}

.lookup-item-head span {
  color: var(--ink-soft);
  font-size: 0.84rem;
  font-weight: 700;
}

.lookup-item-meta + .lookup-item-meta {
  margin-top: 4px;
}

.lookup-hint,
.placeholder-note {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px dashed rgba(129, 118, 102, 0.18);
}

@media (max-width: 1080px) {
  .hero,
  .product-stage,
  .site-footer {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

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

@media (max-width: 760px) {
  .page-shell {
    width: min(calc(100% - 20px), var(--max-width));
    padding-top: 16px;
  }

  .site-header {
    position: static;
    border-radius: 28px;
    padding: 16px 18px;
  }

  .top-nav,
  .nav-links {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero,
  .featured-section,
  .purchase-info-section,
  .site-footer,
  .lookup-panel,
  .product-stage {
    padding: 24px;
  }

  .hero {
    min-height: 0;
  }

  .hero-copy h1,
  .section-heading h2,
  .product-hero-copy h1 {
    max-width: none;
    font-size: clamp(2.4rem, 10vw, 4rem);
  }

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

  .purchase-info-item {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .hero-actions,
  .lookup-actions {
    flex-direction: column;
  }

  .button,
  .card-link {
    width: 100%;
  }

  .product-meta-row,
  .lookup-item-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-stack {
    height: auto;
    min-height: 420px;
  }

  .hero-stack-card-front {
    position: relative;
    width: 100%;
    height: auto;
    aspect-ratio: 7 / 5;
  }

  .hero-stack-card-middle {
    left: 16px;
    bottom: 26px;
    width: 76%;
    height: auto;
    aspect-ratio: 7 / 5;
  }

  .hero-stack-card-back {
    left: 0;
    bottom: 0;
    width: 62%;
    height: auto;
    aspect-ratio: 7 / 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}