:root {
  --bg: #f6f7f4;
  --ink: #20262e;
  --muted: #5f6b78;
  --line: #d9ddd7;
  --card: #ffffff;
  --accent: #2f5d50;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fbfcfa 0%, var(--bg) 100%);
}
a { color: inherit; }
.topbar, main, footer { max-width: 1120px; margin: 0 auto; }
.topbar {
  display: flex; justify-content: space-between; gap: 24px; align-items: center;
  padding: 22px 24px 10px;
}
.brand a { font-size: 22px; font-weight: 800; text-decoration: none; letter-spacing: .02em; }
.brand span { display:block; margin-top: 4px; color: var(--muted); font-size: 13px; }
nav { display:flex; flex-wrap:wrap; gap: 18px; }
nav a { text-decoration:none; color: var(--muted); font-size: 14px; }
main { padding: 14px 24px 28px; }
.hero, .panel, .services { background: var(--card); border: 1px solid var(--line); border-radius: 22px; }
.hero { padding: 40px; margin-top: 12px; }
.eyebrow { margin:0 0 10px; color: var(--accent); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(34px, 5vw, 54px); line-height: 1.08; }
h2 { margin: 0 0 16px; font-size: 28px; }
.lead { margin: 14px 0 0; font-size: 18px; color: var(--ink); }
.body-copy, .panel p, .card p { color: var(--muted); line-height: 1.75; }
.actions { display:flex; gap: 12px; flex-wrap:wrap; margin-top: 28px; }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height: 44px; padding: 0 18px; border-radius: 999px; text-decoration:none; font-weight: 700; border: 1px solid transparent; }
.btn.primary { background: var(--ink); color: #fff; }
.btn.secondary { background: transparent; border-color: var(--line); }
.panel, .services { margin-top: 18px; padding: 28px 30px; }
.grid { display:grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.card { border: 1px solid var(--line); border-radius: 18px; padding: 20px; background: #fcfdfb; }
.card h3 { margin: 0 0 10px; font-size: 19px; }
.note { margin-top: 10px; }
.contact-list { list-style:none; padding:0; margin:0 0 12px; }
.contact-list li { margin: 10px 0; color: var(--muted); }
footer {
  display:flex; justify-content:space-between; gap: 16px; flex-wrap:wrap;
  padding: 16px 24px 40px; color: var(--muted); font-size: 14px;
}
@media (max-width: 720px) {
  .topbar, main, footer { padding-left: 16px; padding-right: 16px; }
  .topbar { flex-direction: column; align-items: flex-start; }
  .hero, .panel, .services { padding: 22px; }
  .grid { grid-template-columns: 1fr; }
  nav { gap: 12px 16px; }
}