:root {
  --bg: #fcfaf8;
  --ink: #2f2a26;
  --ink-soft: #5b4a3f;
  --muted: #8a7a6e;
  --line: #ece4dc;
  --pink-50: #fdf3ed;
  --pink-100: #f8eee7;
  --pink-200: #f0dfd2;
  --terra: #bf7e60;
  --terra-d: #a96a4f;
  --slate: #7398b1;
  --slate-d: #5f859f;
  --grey-50: #f4eee8;
  --grey-100: #ebe4dc;
  --shadow: 0 8px 24px rgba(80, 60, 45, .08);
  --radius: 18px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
    "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.page {
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
  background: var(--bg);
}

/* ============== Header ============== */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  background: var(--bg);
  border-bottom: 1px solid #f1ece6;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand-heart { display: inline-flex; }
.brand-name { font-size: 26px; font-weight: 700; letter-spacing: .2px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.lang-pill, .cart-pill {
  border: 1px solid #ece4dc;
  background: #fdfbf8;
  border-radius: 999px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
  cursor: pointer;
}
.cart-pill { padding: 7px 9px 7px 12px; }
.cart-count {
  background: var(--terra);
  color: #fff;
  width: 22px; height: 22px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

/* ============== Hero ============== */
.hero {
  position: relative;
  margin: 14px 16px 0;
  border-radius: 20px;
  overflow: hidden;
  height: 380px;
  background: #6e7246;
}
.hero-track {
  position: absolute;
  inset: 0;
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform .55s cubic-bezier(.4, .0, .2, 1);
  will-change: transform;
}
.hero-slide {
  flex: 0 0 100%;
  position: relative;
  height: 100%;
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: right center;
}
.hero-shade {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,.78) 0%, rgba(255,255,255,.55) 38%, rgba(255,255,255,.05) 60%, rgba(0,0,0,0) 100%);
}
.hero-text {
  position: absolute;
  left: 56px;
  top: 90px;
  max-width: 360px;
}
.hero-text h1 {
  font-size: 30px;
  line-height: 1.4;
  font-weight: 700;
  margin: 0 0 16px;
  color: #2c241e;
  letter-spacing: 1px;
}
.hero-sub {
  margin: 0 0 28px;
  color: #4d4138;
  font-size: 16px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--terra);
  color: #fff;
  text-decoration: none;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  box-shadow: 0 6px 14px rgba(191, 126, 96, .3);
  transition: background .2s;
}
.btn-primary:hover { background: var(--terra-d); }
.btn-primary .arrow { font-size: 16px; }
.btn-primary.small { padding: 10px 22px; font-size: 14px; }

.nav-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,.85);
  border: 1px solid #ece4dc;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.nav-prev { left: 14px; }
.nav-next { right: 14px; }

.hero-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}
.dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,.55);
  cursor: pointer;
  transition: width .25s, background .25s;
}
.dot.active { background: #fff; width: 18px; border-radius: 4px; }

/* ============== Intro ============== */
.intro {
  padding: 36px 24px 26px;
  text-align: center;
}
.intro-copy {
  max-width: 640px;
  margin: 0 auto;
}
.intro-copy h2 {
  margin: 0 0 14px;
  font-size: 22px;
  font-weight: 700;
  color: #2c241e;
  letter-spacing: .5px;
}
.intro-copy p {
  margin: 0;
  color: #6f5f53;
  font-size: 14px;
  line-height: 1.95;
}
.heart-emoji { font-size: 18px; }

.feature-row {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  text-align: center;
}
.feature-row li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #6f5f53;
}
.feat-ico {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: #fbf2ea;
  display: inline-flex; align-items: center; justify-content: center;
}

/* ============== Preorder ============== */
.preorder {
  padding: 8px 16px 28px;
}
.preorder-card {
  background: linear-gradient(180deg, #fdf2ea 0%, #faeadf 100%);
  border-radius: 22px;
  padding: 22px 26px;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.preorder-copy { position: relative; z-index: 1; }
.tag-pill {
  display: inline-block;
  background: #f8e7da;
  color: #c47150;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  font-weight: 500;
}
.preorder-title {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 700;
  color: #2c241e;
  letter-spacing: 1px;
}
.preorder-sub {
  margin: 0 0 18px;
  color: #6f5f53;
  font-size: 14px;
}
.benefit-pills {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.benefit-pills li {
  background: #fff;
  border: 1px solid #f3e3d5;
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  color: #7a6657;
  display: inline-flex; align-items: center; gap: 7px;
}
.dot-bullet {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--terra);
  display: inline-block;
}
.price-row {
  display: flex;
  align-items: center;
  gap: 22px;
}
.price-block {
  display: flex; align-items: baseline; gap: 8px;
}
.price-label { font-size: 13px; color: #8a7a6e; }
.price-now {
  font-size: 24px;
  color: #cf5d59;
  font-weight: 700;
}
.price-old {
  font-size: 13px;
  color: #b3a497;
  text-decoration: line-through;
}
.preorder-pic img {
  width: 100%;
  border-radius: 14px;
}

/* ============== Gallery ============== */
.gallery {
  padding: 22px 24px 18px;
  text-align: center;
}
.gallery-title {
  margin: 0 0 22px;
  font-size: 17px;
  font-weight: 700;
  color: #2c241e;
}
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.gallery-card {
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 4px 14px rgba(80, 60, 45, .06);
}
.gallery-card img {
  width: 100%;
  height: 110px;
  object-fit: cover;
}

/* ============== Use cases ============== */
.use-cases {
  padding: 8px 16px 0;
}
.use-cases ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--bg);
  border-top: 1px solid #efe6dd;
  border-bottom: 1px solid #efe6dd;
}
.use-cases li {
  text-align: center;
  padding: 14px 12px;
  border-right: 1px solid #efe6dd;
  position: relative;
}
.use-cases li:last-child { border-right: none; }
.use-cases li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 36px; height: 3px;
  background: var(--terra);
  border-radius: 0 0 4px 4px;
}
.use-cases h3 {
  margin: 0 0 4px;
  font-size: 14.5px;
  font-weight: 700;
  color: #2c241e;
}
.use-cases p {
  margin: 0;
  font-size: 12.5px;
  color: #8a7a6e;
}

/* ============== Footer ============== */
.site-footer {
  background: var(--slate);
  color: #f4f0eb;
  padding: 22px 28px 14px;
  margin-top: 0;
}
.footer-cols {
  display: grid;
  grid-template-columns: 1.7fr 1fr 1fr 1fr;
  gap: 24px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.footer-brand h3 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
}
.footer-brand p {
  margin: 0;
  font-size: 13px;
  color: #e7e0d6;
  line-height: 1.7;
}
.site-footer h4 {
  margin: 4px 0 12px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}
.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 13px;
  color: #e1dccf;
}
.site-footer ul li { margin-bottom: 8px; }
.social { display: flex; gap: 8px; }
.social-ico {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,.18);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 12px;
  color: #fff;
}
.footer-bottom {
  padding-top: 14px;
  text-align: center;
  font-size: 12px;
  color: #e1dccf;
}

/* ============== Wide desktop (>= 1024px) ============== */
@media (min-width: 1024px) {
  body { font-size: 16px; }

  .site-header { padding: 20px 48px; }
  .brand-name { font-size: 30px; }

  .hero {
    margin: 20px 40px 0;
    height: 540px;
    border-radius: 26px;
  }
  .hero-text { left: 100px; top: 140px; max-width: 500px; }
  .hero-text h1 { font-size: 42px; line-height: 1.35; }
  .hero-sub { font-size: 18px; margin-bottom: 36px; }
  .btn-primary { padding: 14px 34px; font-size: 16px; }
  .nav-arrow { width: 44px; height: 44px; }
  .nav-prev { left: 24px; }
  .nav-next { right: 24px; }
  .hero-bg { object-position: 80% center; }

  .intro { padding: 64px 56px 40px; }
  .intro-copy { max-width: 820px; }
  .intro-copy h2 { font-size: 28px; margin-bottom: 20px; }
  .intro-copy p { font-size: 16px; line-height: 2; }

  .feature-row {
    margin-top: 48px;
    gap: 32px;
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
  }
  .feat-ico { width: 60px; height: 60px; }
  .feature-row li { font-size: 15px; gap: 12px; }

  .preorder { padding: 18px 40px 44px; }
  .preorder-card {
    grid-template-columns: 1fr 440px;
    padding: 44px 56px;
    gap: 40px;
    border-radius: 28px;
  }
  .preorder-title { font-size: 38px; }
  .preorder-sub { font-size: 16px; }
  .benefit-pills li { font-size: 14px; padding: 8px 18px; }
  .price-now { font-size: 30px; }
  .btn-primary.small { padding: 12px 30px; font-size: 15px; }

  .gallery { padding: 44px 40px 32px; }
  .gallery-title { font-size: 22px; margin-bottom: 30px; }
  .gallery-grid { gap: 20px; }
  .gallery-card img { height: 200px; }

  .use-cases { padding: 14px 40px 0; }
  .use-cases li { padding: 24px 16px; }
  .use-cases h3 { font-size: 17px; }
  .use-cases p { font-size: 13.5px; }

  .site-footer { padding: 40px 64px 24px; }
  .footer-cols { gap: 48px; }
  .footer-brand h3 { font-size: 28px; }
  .footer-brand p { font-size: 14.5px; }
  .site-footer h4 { font-size: 15px; }
  .site-footer ul { font-size: 14px; }
}

/* ============== Mobile (<= 640px) ============== */
@media (max-width: 640px) {
  body { font-size: 14px; }

  .site-header { padding: 12px 14px; }
  .brand-name { font-size: 22px; }
  .lang-pill { padding: 6px 12px; font-size: 13px; }
  .lang-pill span { display: none; }
  .cart-pill { padding: 6px 7px 6px 10px; }

  .hero {
    margin: 10px 12px 0;
    height: 280px;
    border-radius: 16px;
  }
  .hero-bg { object-position: 70% center; }
  .hero-shade {
    background: linear-gradient(180deg, rgba(255,255,255,.85) 0%, rgba(255,255,255,.55) 45%, rgba(255,255,255,0) 80%);
  }
  .hero-text {
    left: 20px;
    right: 20px;
    top: 22px;
    max-width: none;
  }
  .hero-text h1 {
    font-size: 22px;
    margin-bottom: 10px;
    letter-spacing: .5px;
  }
  .hero-sub { font-size: 13px; margin-bottom: 16px; }
  .btn-primary { padding: 10px 20px; font-size: 14px; }
  .nav-arrow { display: none; }

  .intro { padding: 24px 16px 16px; }
  .intro-copy h2 { font-size: 18px; }
  .intro-copy p { font-size: 13.5px; }
  .intro-copy p br { display: none; }
  .feature-row {
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 22px;
  }
  .feat-ico { width: 38px; height: 38px; }
  .feature-row li { font-size: 11.5px; }

  .preorder { padding: 6px 12px 18px; }
  .preorder-card {
    grid-template-columns: 1fr;
    padding: 18px 18px;
    gap: 16px;
  }
  .preorder-pic { max-width: 220px; margin: 0 auto; }
  .preorder-title { font-size: 22px; }
  .preorder-sub { font-size: 13px; }
  .benefit-pills { gap: 6px; }
  .benefit-pills li { font-size: 11.5px; padding: 5px 10px; }
  .price-row { flex-wrap: wrap; gap: 12px; }
  .price-now { font-size: 22px; }

  .gallery { padding: 18px 12px 14px; }
  .gallery-title { font-size: 15px; margin-bottom: 14px; }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .gallery-card img { height: 110px; }

  .use-cases { padding: 4px 12px 0; }
  .use-cases ul { grid-template-columns: repeat(2, 1fr); }
  .use-cases li {
    padding: 12px 8px;
    border-bottom: 1px solid #efe6dd;
  }
  .use-cases li:nth-child(2n) { border-right: none; }
  .use-cases li:nth-last-child(-n+2) { border-bottom: none; }
  .use-cases h3 { font-size: 13.5px; }
  .use-cases p { font-size: 11.5px; }

  .site-footer { padding: 20px 18px 14px; }
  .footer-cols {
    grid-template-columns: 1fr 1fr;
    gap: 18px 16px;
  }
  .footer-brand { grid-column: 1 / -1; }
  .footer-brand h3 { font-size: 20px; }
  .footer-brand p { font-size: 12.5px; }
  .site-footer h4 { font-size: 13px; }
  .site-footer ul { font-size: 12.5px; }
  .social-ico { width: 28px; height: 28px; font-size: 11px; }
}