:root {
  --bg: #f7f6f2;
  --ink: #0d0d0d;
  --muted: #686868;
  --line: rgba(13, 13, 13, 0.12);
  --panel: #ffffff;
  --soft: #ece9e2;
  --reverse: #0d0d0d;
  --reverse-ink: #f9f7f0;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-shell {
  min-height: 100vh;
  overflow: hidden;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 18px clamp(18px, 4vw, 56px);
  background: rgba(247, 246, 242, 0.82);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.brand-mark,
.nav-links,
.footer-links,
.hero-actions,
.cookie-actions {
  display: flex;
  align-items: center;
}

.brand-mark {
  gap: 10px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.84rem;
}

.brand-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--ink);
}

.nav-links {
  justify-content: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.92rem;
}

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

.nav-cta {
  border: 1px solid var(--ink);
  padding: 10px 16px;
  font-size: 0.88rem;
}

.section-pad {
  padding: clamp(64px, 9vw, 128px) clamp(18px, 4vw, 56px);
}

.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: clamp(36px, 6vw, 88px);
  align-items: center;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--muted);
  text-transform: uppercase;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 24px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.2rem, 8vw, 7.8rem);
  line-height: 0.92;
  font-weight: 500;
}

h2 {
  margin-bottom: 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.25rem, 5vw, 5rem);
  line-height: 0.98;
  font-weight: 500;
}

h3 {
  margin-bottom: 12px;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-lede,
.zh-copy,
.section-heading p,
.text-stack,
.inquiry-copy p,
.legal-grid p,
.card-row p {
  color: var(--muted);
}

.hero-lede {
  max-width: 620px;
  margin-bottom: 14px;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.zh-copy {
  font-size: 0.94rem;
  line-height: 1.7;
}

.hero-copy > .zh-copy {
  max-width: 600px;
  margin-bottom: 34px;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
}

.button,
.pay-button {
  appearance: none;
  border: 1px solid var(--ink);
  border-radius: 0;
  padding: 13px 18px;
  cursor: pointer;
  transition: transform 220ms ease, background 220ms ease, color 220ms ease, border-color 220ms ease;
}

.button.primary,
.pay-button {
  background: var(--ink);
  color: var(--reverse-ink);
}

.button.ghost {
  background: transparent;
  color: var(--ink);
}

.button:hover,
.pay-button:hover {
  transform: translateY(-2px);
}

.button.small {
  padding: 9px 13px;
  font-size: 0.82rem;
}

.button.wide {
  width: 100%;
}

.hero-media {
  overflow: hidden;
  min-height: 560px;
  background: var(--soft);
}

.hero-media img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
  transform: scale(1.04);
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.trust-strip span {
  padding: 18px;
  text-align: center;
  color: var(--muted);
  font-size: 0.86rem;
  border-right: 1px solid var(--line);
}

.trust-strip small {
  display: inline-block;
  margin-top: 4px;
  color: rgba(104, 104, 104, 0.82);
  font-size: 0.76rem;
}

.trust-strip span:last-child {
  border-right: 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 42px;
}

.category-tabs {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.tab {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  padding: 10px 14px;
  cursor: pointer;
}

.tab.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--reverse-ink);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  position: relative;
  overflow: hidden;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: transform 260ms ease, box-shadow 260ms ease, border-color 260ms ease;
}

.product-card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  background: linear-gradient(145deg, transparent, rgba(255, 255, 255, 0.58), rgba(13, 13, 13, 0.06));
  transition: opacity 260ms ease;
}

.product-card:hover {
  transform: translateY(-8px);
  border-color: rgba(13, 13, 13, 0.34);
  box-shadow: var(--shadow);
}

.product-card:hover::after {
  opacity: 1;
}

.product-image {
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--soft);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1);
  transition: transform 500ms ease, filter 500ms ease;
}

.product-card:hover .product-image img {
  transform: scale(1.06);
  filter: grayscale(0.25);
}

.product-info {
  position: relative;
  z-index: 1;
  padding: 20px;
}

.product-tag,
.product-meta span {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.product-info p:not(.zh-copy) {
  min-height: 74px;
  color: var(--muted);
}

.product-info .zh-copy {
  min-height: 58px;
  margin-top: -6px;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.pay-button {
  width: 100%;
  display: inline-flex;
  justify-content: center;
  align-items: center;
}

.multi-order-note {
  margin-top: 28px;
  padding: 24px;
  background: var(--reverse);
  color: var(--reverse-ink);
}

.note-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 14px;
  margin: 10px 0 10px;
}

textarea,
input,
select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 13px 14px;
  outline: none;
}

textarea:focus,
input:focus,
select:focus {
  border-color: var(--ink);
}

.split-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(36px, 7vw, 92px);
  border-top: 1px solid var(--line);
}

.delivery-section {
  background: #f2f0eb;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.benefits-section {
  background: #efede8;
  border-top: 1px solid var(--line);
}

.benefit-grid,
.supplier-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.benefit-grid article,
.supplier-grid article {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  padding: 22px;
}

.benefit-badge {
  display: inline-flex;
  margin-bottom: 18px;
  border: 1px solid var(--ink);
  padding: 7px 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.rule-copy {
  color: var(--muted);
  font-size: 0.82rem;
}

.order-benefit-box {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  background: #f7f6f2;
  padding: 16px;
}

.order-benefit-box p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.delivery-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
}

.delivery-steps {
  display: grid;
  gap: 14px;
}

.delivery-steps article {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  padding: 22px;
}

.delivery-steps span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.8rem;
}

.delivery-form {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 28px;
  box-shadow: 0 18px 46px rgba(0, 0, 0, 0.05);
}

.delivery-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.delivery-result {
  min-height: 24px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.supplier-section {
  border-top: 1px solid var(--line);
  background: #f7f6f2;
}

.supplier-note {
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--reverse);
  color: var(--reverse-ink);
  padding: 18px;
}

.text-stack {
  font-size: 1.05rem;
}

.policy-cards {
  background: var(--reverse);
  color: var(--reverse-ink);
}

.policy-cards .section-heading p,
.policy-cards .eyebrow,
.policy-cards p,
.policy-cards .zh-copy {
  color: rgba(249, 247, 240, 0.72);
}

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

.card-row article {
  border: 1px solid rgba(249, 247, 240, 0.16);
  padding: 24px;
}

.card-row.light article {
  background: var(--panel);
  border-color: var(--line);
}

.model-section {
  border-top: 1px solid var(--line);
}

.operations-section {
  background: #eeece7;
}

.operations-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.operations-grid article {
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid var(--line);
  padding: 24px;
}

.operations-grid span {
  display: inline-flex;
  margin-bottom: 24px;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 2rem;
}

.inquiry-section {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(36px, 7vw, 92px);
}

.inquiry-form {
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 0.88rem;
}

.checkbox-line {
  display: flex !important;
  grid-template-columns: none !important;
  flex-direction: row;
  align-items: flex-start;
  gap: 10px !important;
}

.checkbox-line input {
  width: auto;
  margin-top: 4px;
}

.hidden-field {
  display: none;
}

.legal-section {
  border-top: 1px solid var(--line);
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.legal-grid article {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 24px;
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
}

.footer p {
  margin-bottom: 0;
  color: var(--muted);
}

.footer-links {
  gap: 18px;
  color: var(--muted);
}

.cookie-banner {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 80;
  width: min(520px, calc(100vw - 36px));
  display: none;
  gap: 18px;
  align-items: center;
  padding: 18px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.cookie-banner.is-visible {
  display: flex;
}

.cookie-banner p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 1080px) {
  .hero,
  .split-section,
  .delivery-layout,
  .inquiry-section {
    grid-template-columns: 1fr;
  }

  .product-grid,
  .benefit-grid,
  .supplier-grid,
  .legal-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-media,
  .hero-media img {
    min-height: 420px;
  }
}

@media (max-width: 760px) {
  .topbar {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    grid-column: 1 / -1;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .nav-cta {
    display: none;
  }

  .trust-strip,
  .product-grid,
  .benefit-grid,
  .supplier-grid,
  .card-row,
  .operations-grid,
  .legal-grid,
  .form-grid,
  .note-row {
    grid-template-columns: 1fr;
  }

  .trust-strip span {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .hero {
    min-height: auto;
  }

  .hero-media,
  .hero-media img {
    min-height: 360px;
  }

  .footer,
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
  }
}