:root {
  --terracotta: #c46a4a;
  --terracotta-dark: #a35338;
  --sage: #b5beb0;
  --beige: #e2d0b8;
  --ink: #2c2a28;
  --muted: #6b6660;
  --line: #e6ddd2;
  --paper: #f5f0eb;
  --card: #fffdf9;
  --radius: 14px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  line-height: 1.7;
}
a { color: var(--terracotta-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.wrap { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
.top {
  position: sticky; top: 0; z-index: 20;
  background: rgba(245, 240, 235, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.top-inner, .hero, .grid, footer .wrap { }
.top-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 68px; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 10px; color: inherit; font-weight: 700; letter-spacing: 0.02em; }
.brand:hover { text-decoration: none; }
.mark {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--terracotta), #8f5a45);
  color: white; display: grid; place-items: center; font-size: 16px;
}
nav { display: flex; flex-wrap: wrap; gap: 16px; font-size: 14px; }
nav a { color: var(--muted); }
.hero { padding: 64px 0 36px; }
.eyebrow {
  display: inline-block; margin-bottom: 12px; color: var(--terracotta-dark);
  font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase;
}
h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 28px; margin: 0 0 12px; }
h3 { margin: 0 0 8px; font-size: 18px; }
.lead { font-size: 18px; color: var(--muted); max-width: 720px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 0 18px; border-radius: 999px; font-weight: 600;
  text-decoration: none;
}
.btn-primary { background: var(--terracotta); color: white; }
.btn-primary:hover { background: var(--terracotta-dark); text-decoration: none; }
.btn-ghost { background: white; color: var(--ink); border: 1px solid var(--line); }
.btn-ghost:hover { text-decoration: none; border-color: var(--terracotta); }
section { padding: 28px 0 12px; }
.grid { display: grid; gap: 16px; }
.cards { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; box-shadow: 0 8px 24px rgba(90, 64, 48, 0.04);
}
.price { font-size: 28px; font-weight: 700; margin: 8px 0; }
.price span { font-size: 14px; color: var(--muted); font-weight: 500; }
.tag {
  display: inline-block; background: var(--beige); color: var(--ink);
  border-radius: 999px; padding: 2px 10px; font-size: 12px; margin-bottom: 8px;
}
.prose { max-width: 760px; }
.prose p, .prose li { color: #3f3b37; }
.note {
  background: #fff7ee; border: 1px solid var(--beige); border-radius: var(--radius);
  padding: 16px 18px; color: var(--muted); font-size: 14px;
}
footer {
  margin-top: 56px; padding: 28px 0 40px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px;
}
.foot-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin: 10px 0 18px; }
.beian a { color: var(--muted); }
@media (max-width: 720px) {
  nav { display: none; }
  .hero { padding-top: 36px; }
}