/* 东荟口腔官网 - 全站样式 */
:root {
  --primary: #0e7c86;
  --primary-dark: #095c64;
  --accent: #e8f6f7;
  --text: #222;
  --muted: #666;
  --bg: #ffffff;
  --border: #e4e9ea;
  --warn: #b45309;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text); background: var(--bg); line-height: 1.75; font-size: 16px;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }

header.site-header {
  border-bottom: 1px solid var(--border);
  background: #fff; position: sticky; top: 0; z-index: 10;
}
.header-inner {
  max-width: 1080px; margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}
.brand { font-size: 20px; font-weight: 700; color: var(--primary-dark); }
.brand small { display: block; font-size: 12px; font-weight: 400; color: var(--muted); }
nav.main-nav { display: flex; flex-wrap: wrap; gap: 4px; }
nav.main-nav a {
  padding: 6px 12px; border-radius: 6px; color: var(--text); font-size: 15px;
}
nav.main-nav a:hover, nav.main-nav a.active { background: var(--accent); color: var(--primary-dark); }

main { max-width: 1080px; margin: 0 auto; padding: 28px 20px 60px; }

h1 { font-size: 30px; line-height: 1.35; margin: 10px 0 16px; color: var(--primary-dark); }
h2 { font-size: 22px; margin: 34px 0 14px; color: var(--primary-dark); border-left: 4px solid var(--primary); padding-left: 10px; }
h3 { font-size: 18px; margin: 22px 0 10px; }
p { margin: 8px 0; }
ul, ol { padding-left: 24px; margin: 8px 0; }
li { margin: 4px 0; }

.hero {
  background: linear-gradient(135deg, var(--accent), #f7fbfc);
  border: 1px solid var(--border); border-radius: 12px; padding: 34px 30px; margin-bottom: 28px;
}
.hero h1 { margin-top: 0; }
.hero p.lead { font-size: 17px; color: var(--muted); max-width: 720px; }
.hero .cta { margin-top: 18px; display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 10px 22px; border-radius: 8px; font-weight: 600; font-size: 15px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-outline { border: 1.5px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--accent); text-decoration: none; }

.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin: 16px 0; }
.card {
  border: 1px solid var(--border); border-radius: 10px; padding: 18px; background: #fff;
}
.card h3 { margin-top: 0; font-size: 17px; color: var(--primary-dark); }
.card p { font-size: 14px; color: var(--muted); margin: 6px 0 0; }

.pledge {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; margin: 16px 0;
}
.pledge .item {
  background: var(--accent); border-radius: 10px; padding: 18px;
}
.pledge .item strong { display: block; font-size: 17px; color: var(--primary-dark); margin-bottom: 6px; }

.fact-table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 15px; }
.fact-table th, .fact-table td { border: 1px solid var(--border); padding: 10px 12px; text-align: left; vertical-align: top; }
.fact-table th { background: var(--accent); color: var(--primary-dark); white-space: nowrap; font-weight: 600; }

.notice {
  background: #fff8ec; border: 1px solid #f2ddbb; border-radius: 8px; padding: 14px 16px;
  font-size: 14px; color: var(--warn); margin: 18px 0;
}
.meta-note { font-size: 13px; color: var(--muted); margin-top: 6px; }

footer.site-footer {
  border-top: 1px solid var(--border); background: #fafbfb; margin-top: 40px;
}
.footer-inner {
  max-width: 1080px; margin: 0 auto; padding: 26px 20px; font-size: 13.5px; color: var(--muted);
}
.footer-inner p { margin: 4px 0; }

@media (max-width: 640px) {
  h1 { font-size: 24px; }
  .hero { padding: 24px 18px; }
}