:root {
  --bg: #eef2f6;
  --card: #fff;
  --text: #15202b;
  --muted: #5a6b7d;
  --teal: #0f766e;
  --teal-dark: #134e4a;
  --line: #dce5ec;
  --shadow: 0 10px 30px rgba(15, 55, 70, 0.08);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 980px; margin: 0 auto; padding: 0 16px 48px; }
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.logo { font-weight: 700; color: var(--teal-dark); font-size: 15px; }
nav { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a.active { color: var(--teal); }
.hero {
  background: linear-gradient(135deg, #0f766e 0%, #134e4a 55%, #1e3a5f 100%);
  color: #fff;
  padding: 44px 20px 52px;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  font-size: 12px;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 14px;
  opacity: 0.95;
}
.hero h1 { margin: 0 0 10px; font-size: clamp(1.55rem, 5.2vw, 2.35rem); font-weight: 700; }
.hero p { margin: 0 auto; max-width: 680px; font-size: 0.95rem; opacity: 0.92; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
}
.intro-card {
  margin-top: -24px;
  padding: 22px 24px;
}
.section-title { text-align: center; margin: 36px 0 18px; }
.section-title h2 { margin: 0 0 6px; font-size: 1.2rem; }
.section-title p { margin: 0; color: var(--muted); font-size: 0.88rem; }
.grid3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.biz-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s, box-shadow 0.15s;
}
.biz-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(15, 55, 70, 0.12);
}
.biz-card a { text-decoration: none; color: inherit; display: flex; flex-direction: column; flex: 1; }
.biz-img { height: 180px; background: #e2e8f0 center/cover no-repeat; }
.biz-body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.biz-body h3 { margin: 0 0 8px; font-size: 1.05rem; color: var(--teal-dark); }
.biz-body p { margin: 0; font-size: 0.88rem; color: var(--muted); flex: 1; }
.biz-link {
  margin-top: 12px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--teal);
}
.info-card { padding: 24px; margin-top: 32px; }
.info-card h2 { margin: 0 0 14px; font-size: 1.05rem; color: var(--teal); }
dl {
  margin: 0;
  display: grid;
  grid-template-columns: 108px 1fr;
  gap: 10px 14px;
  font-size: 0.9rem;
}
dt { color: var(--muted); }
dd { margin: 0; }
.links { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); font-size: 0.88rem; }
.links a { margin-right: 18px; }
footer {
  text-align: center;
  padding: 28px 16px 36px;
  color: var(--muted);
  font-size: 0.82rem;
}
footer a { color: var(--muted); }
.detail-hero-img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  border-radius: 12px;
  margin: 20px 0;
}
.detail-content {
  padding: 24px;
  margin-top: 16px;
}
.detail-content h1 { margin: 0 0 8px; font-size: 1.35rem; color: var(--teal-dark); }
.spec-box {
  background: #f0fdfa;
  border: 1px solid #99f6e4;
  border-radius: 8px;
  padding: 12px 14px;
  margin: 14px 0 18px;
  font-size: 0.9rem;
}
.detail-content .body { font-size: 0.92rem; color: #334155; white-space: pre-wrap; }
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin: 16px 0; }
.gallery img { width: 100%; height: 160px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }
.back { display: inline-block; margin-bottom: 8px; font-size: 0.88rem; }