:root {
  color-scheme: light;
  --ink: #24302f;
  --muted: #667370;
  --paper: #fbfaf5;
  --panel: #ffffff;
  --line: #e4e8df;
  --accent: #2c8f73;
  --accent-soft: #e6f2eb;
  --warm: #e9a24d;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.72;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 250, 245, .94);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 2;
}
.nav {
  max-width: 1040px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { color: var(--ink); font-weight: 700; letter-spacing: .04em; }
.nav-links { display: flex; flex-wrap: wrap; gap: 16px; font-size: .93rem; }
.nav-links a[aria-current="page"] { color: var(--ink); font-weight: 700; }
.hero, main { max-width: 1040px; margin: 0 auto; padding: 64px 24px; }
.hero { display: grid; grid-template-columns: 1.25fr .75fr; gap: 36px; align-items: center; }
.eyebrow { color: var(--accent); font-weight: 700; letter-spacing: .08em; font-size: .8rem; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.25; letter-spacing: -.02em; }
h1 { font-size: clamp(2.2rem, 6vw, 4.4rem); margin: 12px 0 18px; }
h2 { font-size: 1.65rem; margin: 2.2rem 0 .7rem; }
h3 { font-size: 1.1rem; margin: 1.5rem 0 .45rem; }
.lead { color: var(--muted); font-size: 1.1rem; max-width: 650px; }
.hero-card {
  background: linear-gradient(145deg, var(--accent-soft), #fff3df);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 30px;
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.hero-card strong { font-size: 1.8rem; }
.hero-card p { color: var(--muted); margin-bottom: 0; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.card p { color: var(--muted); margin-bottom: 0; }
.legal main { max-width: 860px; }
.meta { color: var(--muted); font-size: .92rem; }
.notice { background: var(--accent-soft); border-left: 4px solid var(--accent); padding: 14px 18px; border-radius: 8px; }
.contact-box { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 24px; margin-top: 18px; }
ul { padding-left: 1.3rem; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; }
.footer-inner { max-width: 1040px; margin: 0 auto; padding: 24px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 14px; flex-wrap: wrap; }
@media (max-width: 720px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .hero { grid-template-columns: 1fr; padding-top: 42px; }
  .card-grid { grid-template-columns: 1fr; }
  .hero, main { padding-left: 18px; padding-right: 18px; }
}