/* ============================================================
   Adrian · Kitchen Equipment from China — 极简高级风格样式表
   色系：暖白背景 + 炭灰文字 + 深松石绿点缀（呼应制冷设备的"冷"感）
   ============================================================ */

:root{
  --bg: #FAFAF8;
  --bg-soft: #F2F1EC;
  --ink: #23272B;
  --ink-soft: #565C61;
  --muted: #8A8F94;
  --line: #E4E2DA;
  --accent: #2F5D5A;
  --accent-soft: #E7EEEC;
  --accent-line: #C9D8D5;
  --white: #FFFFFF;
  --max: 1120px;
  --serif: 'Fraunces', 'Songti SC', 'STSong', serif;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }

.container{
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

/* ---------- Nav ---------- */
.nav{
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,250,248,0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav .container{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}
.brand{
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.02em;
}
.brand small{
  display: block;
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2px;
}
.nav-links{
  display: flex;
  gap: 40px;
  font-size: 14px;
  letter-spacing: 0.03em;
}
.nav-links a{
  color: var(--ink-soft);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}
.nav-links a:hover, .nav-links a.active{
  color: var(--accent);
  border-color: var(--accent);
}
.nav-cta{
  font-size: 13px;
  border: 1px solid var(--ink);
  padding: 10px 20px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: background .2s ease, color .2s ease;
}
.nav-cta:hover{ background: var(--ink); color: var(--white); }

/* ---------- Hero ---------- */
.hero{
  padding: 120px 0 90px;
  border-bottom: 1px solid var(--line);
}
.eyebrow{
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 22px;
}
.hero h1{
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.18;
  margin: 0 0 28px;
  max-width: 16ch;
}
.hero p.lede{
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 56ch;
  margin: 0 0 40px;
}
.btn-row{ display: flex; gap: 16px; flex-wrap: wrap; align-items: center; }
.btn{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 28px;
  border-radius: 999px;
  font-size: 14px;
  letter-spacing: 0.03em;
}
.btn-primary{ background: var(--ink); color: var(--white); }
.btn-primary:hover{ background: var(--accent); }
.btn-ghost{ color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover{ border-color: var(--ink); }

/* ---------- Section shell ---------- */
.section{ padding: 96px 0; border-bottom: 1px solid var(--line); }
.section:last-of-type{ border-bottom: none; }
.section-head{ max-width: 62ch; margin-bottom: 56px; }
.section-head .eyebrow{ margin-bottom: 16px; }
.section-head h2{
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(26px, 3.4vw, 38px);
  margin: 0 0 18px;
  line-height: 1.25;
}
.section-head p{ color: var(--ink-soft); font-size: 16px; margin: 0; }

/* ---------- Stat row ---------- */
.stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.stat{ border-top: 1px solid var(--line); padding-top: 20px; }
.stat b{
  display: block;
  font-family: var(--serif);
  font-size: 30px;
  font-weight: 500;
  margin-bottom: 8px;
}
.stat span{ color: var(--muted); font-size: 14px; }

/* ---------- Product grid ---------- */
.grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.card{
  background: var(--bg);
  padding: 40px 32px;
  transition: background .25s ease;
}
.card:hover{ background: var(--white); }
.card .photo{
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 10px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
}
.card .icon{
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.card .icon svg{ width: 24px; height: 24px; stroke: var(--accent); }
.card h3{
  font-family: var(--serif);
  font-weight: 500;
  font-size: 18px;
  margin: 0 0 10px;
}
.card p{ color: var(--ink-soft); font-size: 14.5px; margin: 0; }

/* ---------- Process steps ---------- */
.steps{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}
.step .num{
  font-family: var(--serif);
  font-size: 40px;
  color: var(--accent-line);
  margin-bottom: 18px;
}
.step h3{ font-size: 17px; margin: 0 0 10px; font-weight: 600; }
.step p{ color: var(--ink-soft); font-size: 14.5px; margin: 0; }

/* ---------- Quote / note block ---------- */
.note{
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-radius: 14px;
  padding: 32px 36px;
  font-size: 15px;
  color: var(--ink-soft);
}
.note strong{ color: var(--ink); }

/* ---------- Profile ---------- */
.profile-row{
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 32px 0 0;
}
.profile-photo{
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
}
.profile-row div p{ margin: 0; }
.profile-row .name{ font-family: var(--serif); font-size: 18px; font-weight: 500; }
.profile-row .role{ color: var(--muted); font-size: 14px; margin-top: 4px; }

/* ---------- Contact ---------- */
.contact-grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
}
.contact-list{ list-style: none; margin: 0; padding: 0; }
.contact-list li{
  border-top: 1px solid var(--line);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: baseline;
}
.contact-list li:last-child{ border-bottom: 1px solid var(--line); }
.contact-list span.label{ color: var(--muted); font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; }
.contact-list span.value{ font-size: 16px; text-align: right; }

/* ---------- Footer ---------- */
footer{ padding: 48px 0 64px; }
footer .container{
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
footer p{ margin: 0; font-size: 13px; color: var(--muted); }
footer .foot-links{ display: flex; gap: 24px; font-size: 13px; color: var(--muted); }
footer .foot-links a:hover{ color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .nav-links{ display: none; }
  .grid{ grid-template-columns: repeat(2, 1fr); }
  .stats, .steps{ grid-template-columns: 1fr; gap: 28px; }
  .contact-grid{ grid-template-columns: 1fr; gap: 40px; }
  .hero{ padding: 88px 0 64px; }
  .section{ padding: 64px 0; }
}
@media (max-width: 560px){
  .grid{ grid-template-columns: 1fr; }
  .container{ padding: 0 20px; }
}