:root {
  color-scheme: light;
  --ink: #20352d;
  --muted: #71847c;
  --line: #dce9e2;
  --paper: #f7faf8;
  --mint: #dcefe5;
  --green: #2d8068;
  --orange: #f3a34b;
  --blue: #74a9c1;
  --shadow: 0 24px 80px rgba(34, 74, 59, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
.site-header {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 28px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 19px; font-weight: 700; letter-spacing: .08em; }
.brand-mark {
  width: 34px; height: 34px; border-radius: 12px 12px 12px 4px;
  display: grid; place-items: center; color: #fff; background: var(--green); font-size: 17px;
}
nav { display: flex; gap: 28px; color: var(--muted); font-size: 14px; }
nav a:hover, .site-footer a:hover { color: var(--green); }
.hero, .section, .note-section {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
}
.hero {
  min-height: 610px; padding: 90px 0 92px; position: relative;
  display: flex; flex-direction: column; justify-content: center;
}
.eyebrow { margin: 0 0 16px; color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 620px; margin-bottom: 24px; font-size: clamp(42px, 6vw, 72px); line-height: 1.16; letter-spacing: -.055em; font-weight: 750; }
h2 { max-width: 650px; margin-bottom: 36px; font-size: clamp(28px, 4vw, 43px); line-height: 1.3; letter-spacing: -.04em; }
h3 { margin-bottom: 10px; font-size: 21px; }
.hero-copy { max-width: 470px; color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; gap: 12px; margin-top: 18px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px; border-radius: 14px; font-size: 14px; font-weight: 700; }
.button-primary { color: #fff; background: var(--green); box-shadow: 0 12px 25px rgba(45, 128, 104, .20); }
.button-quiet { color: var(--green); background: var(--mint); }
.hero-art {
  position: absolute; z-index: -1; right: 4%; top: 110px; width: 390px; height: 390px;
  display: grid; place-items: center; border: 1px solid rgba(45, 128, 104, .10); border-radius: 50%; background: rgba(220, 239, 229, .64); transform: rotate(-8deg);
}
.hero-art::after { content: ""; position: absolute; inset: 28px; border: 1px dashed rgba(45, 128, 104, .22); border-radius: 50%; }
.bead-grid { width: 235px; display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; transform: rotate(8deg); }
.bead-grid i { aspect-ratio: 1; border-radius: 4px; background: #e5eee9; border: 1px solid #c9dbd2; }
.bead-grid .bead-blue { background: var(--blue); border-color: #5f91a7; }
.bead-grid .bead-green { background: #76bb76; border-color: #5d9d64; }
.bead-grid .bead-orange { background: var(--orange); border-color: #df8b36; }
.section { padding: 90px 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature-card { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.feature-number { display: block; margin-bottom: 34px; color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.feature-card p, .note-copy { color: var(--muted); }
.note-section { padding: 78px 0; display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; border-top: 1px solid var(--line); }
.note-copy { max-width: 580px; }
.note-copy p { margin-bottom: 16px; }
.site-footer { width: min(1120px, calc(100% - 48px)); margin: 0 auto; padding: 26px 0 42px; display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-footer a { color: var(--green); }
@media (max-width: 760px) {
  .site-header, .hero, .section, .note-section, .site-footer { width: min(100% - 36px, 560px); }
  nav { gap: 14px; font-size: 12px; }
  .hero { min-height: auto; padding: 58px 0 70px; }
  .hero-art { position: relative; top: auto; right: auto; width: min(86vw, 360px); height: min(86vw, 360px); margin: 64px auto 0; }
  .feature-grid, .note-section { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .note-section { gap: 20px; padding: 58px 0; }
  .site-footer { flex-direction: column; }
}