:root {
  color-scheme: light;
  --ink: #101611;
  --ink-soft: #243129;
  --paper: #f7f5ed;
  --paper-deep: #ebe4d6;
  --gold: #b99450;
  --gold-soft: #ddc68e;
  --red: #a73227;
  --muted: #667068;
  --line: rgba(16, 22, 17, 0.14);
  --shadow: 0 22px 70px rgba(12, 18, 13, 0.18);
  font-family: "Noto Serif SC", "Songti SC", STSong, "PingFang SC", serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

[id] {
  scroll-margin-top: 88px;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(167, 50, 39, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(167, 50, 39, 0.04) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
}

body.lang-zh .en,
body.lang-en .zh {
  display: none;
}

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

button {
  font: inherit;
  cursor: pointer;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: center;
  min-height: 76px;
  padding: 0 5vw;
  color: var(--paper);
  background: rgba(16, 22, 17, 0.94);
  border-bottom: 1px solid rgba(221, 198, 142, 0.22);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--gold-soft);
  background: #172018;
  border: 1px solid rgba(221, 198, 142, 0.48);
  border-radius: 50%;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  color: #fff;
  font-size: 19px;
}

.brand small {
  color: rgba(247, 245, 237, 0.62);
  font-family: "PingFang SC", sans-serif;
  font-size: 11px;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2.3vw, 34px);
  color: rgba(247, 245, 237, 0.78);
  font-family: "PingFang SC", sans-serif;
  font-size: 14px;
}

.desktop-nav a:hover {
  color: var(--gold-soft);
}

.header-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.market-pill,
.language-toggle {
  min-height: 40px;
  padding: 0 14px;
  color: var(--ink);
  background: var(--gold-soft);
  border: 0;
  border-radius: 999px;
  font-family: "PingFang SC", sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.language-toggle {
  color: var(--gold-soft);
  background: rgba(247, 245, 237, 0.08);
  border: 1px solid rgba(221, 198, 142, 0.28);
}

.hero-section {
  position: relative;
  display: grid;
  min-height: calc(100vh - 76px);
  place-items: center start;
  padding: clamp(70px, 9vw, 128px) 5vw;
  overflow: hidden;
  color: var(--paper);
  background: var(--ink);
}

.hero-section video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-section::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(16, 22, 17, 0.92), rgba(16, 22, 17, 0.56) 48%, rgba(16, 22, 17, 0.14)),
    linear-gradient(0deg, rgba(16, 22, 17, 0.72), transparent 52%);
}

.hero-overlay {
  position: relative;
  z-index: 1;
  max-width: 820px;
}

.eyebrow,
.section-heading span {
  display: inline-flex;
  margin-bottom: 14px;
  padding: 8px 12px;
  color: var(--gold-soft);
  background: rgba(16, 22, 17, 0.48);
  border: 1px solid rgba(221, 198, 142, 0.34);
  border-radius: 999px;
  font-family: "PingFang SC", sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.hero-overlay h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(66px, 10vw, 146px);
  line-height: 0.92;
  text-shadow: 0 24px 70px rgba(0, 0, 0, 0.38);
}

.hero-overlay p {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(247, 245, 237, 0.78);
  font-family: "PingFang SC", sans-serif;
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-family: "PingFang SC", sans-serif;
  font-weight: 800;
}

.primary-action {
  color: #fff;
  background: linear-gradient(135deg, var(--red), #792019);
  box-shadow: 0 18px 42px rgba(167, 50, 39, 0.28);
}

.secondary-action {
  color: var(--gold-soft);
  background: rgba(247, 245, 237, 0.07);
  border: 1px solid rgba(221, 198, 142, 0.3);
}

.strategy-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  padding: 1px;
  background: var(--ink);
}

.strategy-strip article {
  min-height: 180px;
  padding: 28px;
  color: var(--paper);
  background:
    linear-gradient(135deg, rgba(185, 148, 80, 0.16), transparent 64%),
    #172019;
}

.strategy-strip b {
  color: var(--gold-soft);
  font-family: Inter, "PingFang SC", sans-serif;
}

.strategy-strip strong,
.strategy-strip span {
  display: block;
}

.strategy-strip strong {
  margin-top: 20px;
  font-size: 25px;
}

.strategy-strip span {
  margin-top: 12px;
  color: rgba(247, 245, 237, 0.68);
  font-family: "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.75;
}

.intro-band,
.product-section,
.visual-section,
.delivery-section,
.copy-section,
.order-section {
  padding-right: 5vw;
  padding-left: 5vw;
}

.intro-band {
  display: grid;
  grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1.24fr);
  gap: 34px;
  align-items: end;
  padding-top: 84px;
  padding-bottom: 70px;
  background: var(--paper-deep);
}

.intro-band h2,
.section-heading h2,
.hero-product-copy h2,
.copy-panel h2 {
  margin: 0;
  font-size: clamp(36px, 4.6vw, 70px);
  line-height: 1.06;
}

.intro-band p,
.section-heading p,
.hero-product-copy p,
.delivery-grid p,
.copy-grid p {
  color: var(--muted);
  font-family: "PingFang SC", sans-serif;
  font-size: 15px;
  line-height: 1.9;
}

.product-section {
  padding-top: 86px;
  padding-bottom: 92px;
}

.section-heading {
  max-width: 940px;
  margin-bottom: 34px;
}

.section-heading span {
  color: var(--red);
  background: rgba(167, 50, 39, 0.08);
  border-color: rgba(167, 50, 39, 0.18);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.product-card {
  min-width: 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 48px rgba(16, 22, 17, 0.08);
}

.product-card.featured {
  grid-column: span 2;
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
}

.product-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
}

.product-card.featured img {
  height: 100%;
  min-height: 460px;
}

.product-card > div {
  padding: 22px;
}

.tag {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 7px 10px;
  color: var(--red);
  background: rgba(167, 50, 39, 0.08);
  border: 1px solid rgba(167, 50, 39, 0.14);
  border-radius: 999px;
  font-family: "PingFang SC", sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.product-card h3 {
  margin: 0;
  font-size: 27px;
  line-height: 1.22;
}

.product-card small {
  display: block;
  margin-top: 6px;
  color: var(--gold);
  font-family: Inter, "PingFang SC", sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.product-card p,
.product-card li {
  color: var(--muted);
  font-family: "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.75;
}

.product-card p {
  margin: 14px 0 0;
}

.product-card ul {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding-left: 18px;
}

.buy-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 44px;
  margin-top: 18px;
  padding: 0 16px;
  color: #fff;
  background: var(--ink);
  border: 1px solid rgba(185, 148, 80, 0.34);
  border-radius: 6px;
  font-family: "PingFang SC", sans-serif;
  font-size: 14px;
  font-weight: 800;
}

.buy-button:hover {
  background: #263226;
}

.hero-product {
  display: grid;
  grid-template-columns: minmax(320px, 1.1fr) minmax(300px, 0.9fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: 92px 5vw;
  color: var(--paper);
  background:
    linear-gradient(135deg, rgba(167, 50, 39, 0.18), transparent 60%),
    var(--ink);
}

.product-video {
  overflow: hidden;
  border: 1px solid rgba(221, 198, 142, 0.28);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.product-video video {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-product-copy .eyebrow {
  background: rgba(247, 245, 237, 0.08);
}

.hero-product-copy p {
  color: rgba(247, 245, 237, 0.72);
}

.hero-product-copy dl {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
}

.hero-product-copy dl div {
  padding: 18px;
  background: rgba(247, 245, 237, 0.07);
  border: 1px solid rgba(221, 198, 142, 0.22);
  border-radius: 8px;
}

.hero-product-copy dt {
  color: var(--gold-soft);
  font-weight: 800;
}

.hero-product-copy dd {
  margin: 8px 0 0;
  color: rgba(247, 245, 237, 0.68);
  font-family: "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.75;
}

.visual-section {
  padding-top: 86px;
  padding-bottom: 92px;
  background: var(--paper-deep);
}

.visual-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}

.visual-grid article {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  background: var(--ink);
  border: 1px solid rgba(16, 22, 17, 0.16);
  border-radius: 8px;
  box-shadow: 0 16px 44px rgba(16, 22, 17, 0.1);
}

.visual-grid .visual-large {
  grid-row: span 3;
  min-height: 650px;
}

.visual-grid img,
.visual-grid video {
  width: 100%;
  height: 100%;
  min-height: inherit;
  object-fit: cover;
}

.visual-grid strong {
  position: absolute;
  right: 16px;
  bottom: 16px;
  left: 16px;
  display: block;
  padding: 12px;
  color: var(--paper);
  background: rgba(16, 22, 17, 0.72);
  border: 1px solid rgba(221, 198, 142, 0.24);
  border-radius: 8px;
  font-size: 17px;
}

.delivery-section {
  padding-top: 86px;
  padding-bottom: 92px;
}

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

.delivery-grid article,
.copy-grid article {
  padding: 24px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 45px rgba(16, 22, 17, 0.08);
}

.delivery-grid b {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  color: var(--paper);
  background: var(--ink);
  border-radius: 50%;
  font-family: Inter, sans-serif;
}

.delivery-grid h3,
.copy-grid h3 {
  margin: 18px 0 0;
  font-size: 25px;
}

.delivery-grid ul {
  display: grid;
  gap: 9px;
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-family: "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.75;
}

.copy-section {
  padding-top: 92px;
  padding-bottom: 96px;
  background:
    linear-gradient(120deg, rgba(16, 22, 17, 0.96), rgba(58, 23, 17, 0.88)),
    var(--ink);
}

.copy-panel {
  color: var(--paper);
}

.copy-panel > .eyebrow {
  background: rgba(247, 245, 237, 0.08);
}

.copy-grid {
  margin-top: 28px;
}

.copy-grid article {
  color: var(--paper);
  background: rgba(247, 245, 237, 0.07);
  border-color: rgba(221, 198, 142, 0.22);
}

.copy-grid h3 {
  color: #fff;
}

.copy-grid p {
  color: rgba(247, 245, 237, 0.7);
}

.order-section {
  padding-top: 86px;
  padding-bottom: 96px;
  background: var(--paper-deep);
}

.order-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(320px, 1.18fr);
  gap: 18px;
  align-items: start;
}

.cart-panel,
.order-form {
  padding: 24px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 16px 45px rgba(16, 22, 17, 0.08);
}

.cart-panel h3 {
  margin: 0;
  font-size: 30px;
}

.cart-items {
  display: grid;
  gap: 12px;
  min-height: 92px;
  margin-top: 22px;
}

.empty-cart,
.cart-note,
.order-status {
  color: var(--muted);
  font-family: "PingFang SC", sans-serif;
  font-size: 14px;
  line-height: 1.75;
}

.cart-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  background: rgba(247, 245, 237, 0.7);
  border: 1px solid rgba(16, 22, 17, 0.1);
  border-radius: 8px;
}

.cart-line strong,
.cart-line span,
.cart-line small {
  display: block;
}

.cart-line strong {
  font-size: 16px;
}

.cart-line span,
.cart-line small {
  margin-top: 4px;
  color: var(--muted);
  font-family: "PingFang SC", sans-serif;
  font-size: 12px;
  line-height: 1.55;
}

.qty-controls {
  display: grid;
  grid-template-columns: 32px 28px 32px;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.qty-controls button {
  width: 32px;
  height: 32px;
  color: var(--ink);
  background: var(--gold-soft);
  border: 0;
  border-radius: 50%;
  font-weight: 900;
}

.cart-total {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: "PingFang SC", sans-serif;
}

.cart-total strong {
  color: var(--red);
  font-size: 24px;
}

.cart-note {
  margin: 14px 0 0;
}

.order-form {
  display: grid;
  gap: 18px;
}

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

.order-form label {
  display: grid;
  gap: 8px;
  color: var(--ink-soft);
  font-family: "PingFang SC", sans-serif;
  font-size: 13px;
  font-weight: 800;
}

.order-form input,
.order-form select,
.order-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  color: var(--ink);
  background: #fff;
  border: 1px solid rgba(16, 22, 17, 0.18);
  border-radius: 6px;
  font: 15px "PingFang SC", sans-serif;
}

.order-form textarea {
  min-height: 128px;
  resize: vertical;
}

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

.order-actions .primary-action,
.order-actions .secondary-action {
  border: 0;
}

.order-actions .secondary-action {
  color: var(--ink);
  background: rgba(16, 22, 17, 0.08);
  border: 1px solid rgba(16, 22, 17, 0.14);
}

.order-status {
  min-height: 24px;
  margin: 0;
  color: var(--red);
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 5vw;
  color: rgba(247, 245, 237, 0.68);
  background: var(--ink);
  border-top: 1px solid rgba(221, 198, 142, 0.16);
  font-family: "PingFang SC", sans-serif;
}

.site-footer strong,
.site-footer span {
  display: block;
}

.site-footer strong {
  color: #fff;
  font-family: "Noto Serif SC", serif;
  font-size: 22px;
}

.site-footer a {
  color: var(--gold-soft);
  font-weight: 800;
}

@media (max-width: 1100px) {
  .intro-band,
  .hero-product,
  .product-card.featured,
  .visual-grid,
  .delivery-grid,
  .copy-grid,
  .order-layout {
    grid-template-columns: 1fr;
  }

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

  .product-card.featured {
    grid-column: auto;
  }

  .product-card.featured img {
    height: 380px;
    min-height: 0;
  }

  .visual-grid .visual-large {
    grid-row: auto;
    min-height: 360px;
  }
}

@media (max-width: 760px) {
  .site-header {
    grid-template-columns: 1fr auto;
    min-height: 68px;
    padding: 0 16px;
  }

  .brand small,
  .desktop-nav,
  .market-pill {
    display: none;
  }

  .hero-section {
    min-height: calc(100vh - 68px);
    padding: 58px 16px;
  }

  .hero-section::after {
    background:
      linear-gradient(90deg, rgba(16, 22, 17, 0.92), rgba(16, 22, 17, 0.46)),
      linear-gradient(0deg, rgba(16, 22, 17, 0.78), transparent 52%);
  }

  .hero-overlay h1 {
    font-size: clamp(54px, 18vw, 86px);
  }

  .hero-overlay p {
    font-size: 15px;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

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

  .strategy-strip article {
    min-height: 150px;
    padding: 22px;
  }

  .intro-band,
  .product-section,
  .hero-product,
  .visual-section,
  .delivery-section,
  .copy-section,
  .order-section {
    padding: 58px 16px 62px;
  }

  .intro-band h2,
  .section-heading h2,
  .hero-product-copy h2,
  .copy-panel h2 {
    font-size: clamp(32px, 11vw, 48px);
  }

  .product-card img,
  .product-card.featured img,
  .visual-grid article,
  .visual-grid .visual-large {
    height: 300px;
    min-height: 0;
  }

  .product-card > div,
  .delivery-grid article,
  .copy-grid article,
  .cart-panel,
  .order-form {
    padding: 18px;
  }

  .form-grid,
  .cart-line {
    grid-template-columns: 1fr;
  }

  .qty-controls {
    justify-content: start;
  }

  .order-actions {
    display: grid;
  }

  .site-footer {
    display: grid;
    padding: 28px 16px;
  }
}