:root {
  --ink: #16211d;
  --muted: #6f7b74;
  --paper: #f3f6f1;
  --line: #d7e0d8;
  --accent: #b6e36b;
  --deep: #1f362d;
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; }
.site-header { height: 76px; padding: 0 6vw; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { display: flex; gap: 12px; align-items: center; letter-spacing: .02em; }
.brand-mark { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: var(--deep); color: var(--accent); font-weight: 800; }
.brand strong { display: block; font-size: 15px; }
.brand small { display: block; margin-top: 2px; color: var(--muted); font-size: 8px; letter-spacing: .16em; }
.nav { display: flex; gap: 32px; color: var(--muted); font-size: 13px; }
.nav a:hover, .footer-links a:hover { color: var(--ink); }
.section-shell { width: min(1120px, 88vw); margin: 0 auto; }
.hero { min-height: 620px; display: grid; grid-template-columns: .92fr 1.08fr; gap: 7vw; align-items: center; padding: 76px 0 90px; }
.eyebrow { margin: 0 0 22px; color: #78926d; font-size: 11px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 570px; margin-bottom: 26px; font-size: clamp(45px, 6.2vw, 78px); line-height: 1.03; letter-spacing: -.07em; font-weight: 760; }
h1 em { color: #58783f; font-style: normal; }
.hero-lede { max-width: 470px; color: var(--muted); font-size: 16px; line-height: 1.85; }
.hero-actions { display: flex; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border-radius: 999px; font-size: 13px; font-weight: 700; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--deep); color: #fff; }
.button-secondary { border: 1px solid var(--line); color: var(--ink); }
.hero-visual { min-height: 445px; position: relative; display: grid; place-items: center; }
.hero-visual img { position: relative; z-index: 2; width: min(80%, 450px); filter: drop-shadow(0 24px 32px rgba(37, 71, 47, .13)); animation: drift 7s ease-in-out infinite; }
.visual-orbit { position: absolute; border: 1px solid #cad9ca; border-radius: 50%; transform: rotate(-18deg); }
.orbit-one { width: 470px; height: 245px; }
.orbit-two { width: 370px; height: 430px; transform: rotate(35deg); border-color: #dfe8df; }
.visual-note { position: absolute; z-index: 3; padding: 12px 15px; border: 1px solid rgba(215,224,216,.9); border-radius: 12px; background: rgba(255,255,255,.72); box-shadow: 0 12px 30px rgba(40,70,47,.08); color: var(--muted); font-size: 11px; }
.visual-note span { margin-right: 9px; color: #719658; font-weight: 800; }
.note-top { top: 44px; right: 2%; }
.note-bottom { bottom: 48px; left: 2%; }
.product { padding: 110px 0; border-top: 1px solid var(--line); }
.section-intro { display: grid; grid-template-columns: .7fr 1fr 1.2fr; gap: 30px; align-items: end; margin-bottom: 48px; }
.section-intro .eyebrow { margin: 0; }
h2 { margin-bottom: 0; font-size: clamp(34px, 4vw, 54px); letter-spacing: -.06em; line-height: 1.08; }
.section-intro > p:last-child { max-width: 330px; margin-bottom: 3px; color: var(--muted); line-height: 1.8; }
.product-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 14px; }
.feature { min-height: 300px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(255,255,255,.42); }
.feature-main { background: var(--accent); border-color: var(--accent); }
.feature-dark { background: var(--deep); border-color: var(--deep); color: #eff7ed; }
.feature-index { display: block; margin-bottom: 88px; color: #718b66; font-size: 12px; font-weight: 800; }
.feature-dark .feature-index { color: #b6e36b; }
.feature h3 { margin-bottom: 12px; font-size: 24px; letter-spacing: -.04em; }
.feature p { max-width: 250px; color: var(--muted); font-size: 13px; line-height: 1.75; }
.feature-dark p { color: #b8c8be; }
.feature-line { width: 50px; margin: 26px 0 10px; border-top: 2px solid #6b8c4d; }
.feature strong { font-size: 12px; }
.values { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; padding: 108px 0; border-top: 1px solid var(--line); }
.values-statement h2 { color: var(--deep); }
.values-list { padding-top: 36px; }
.values-list > div { display: grid; grid-template-columns: 42px 1fr; gap: 18px; padding: 20px 0; border-top: 1px solid var(--line); }
.values-list span { color: #719658; font-size: 12px; font-weight: 800; }
.values-list p { margin: 0; color: var(--muted); line-height: 1.7; }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 10vw; padding: 102px 0; border-top: 1px solid var(--line); }
.contact-card { align-self: end; padding: 28px; border-radius: var(--radius); background: var(--deep); color: #f1f7ee; }
.contact-card p { margin-bottom: 18px; color: #b6e36b; font-weight: 700; }
.contact-channel { display: block; margin-bottom: 22px; font-size: 18px; line-height: 1.5; }
.contact-card small { display: block; color: #b8c8be; line-height: 1.7; }
.site-footer { padding: 32px 6vw 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-footer > div:first-child { display: flex; justify-content: space-between; margin-bottom: 20px; }
.site-footer strong { color: var(--ink); }
.footer-links { display: flex; gap: 20px; }
.site-footer p { margin: 0; font-size: 11px; }
@keyframes drift { 0%, 100% { transform: translateY(0) rotate(-1deg); } 50% { transform: translateY(-10px) rotate(1deg); } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }
@media (max-width: 760px) {
  .site-header { height: 68px; padding: 0 6vw; }
  .nav { gap: 16px; }
  .hero, .values, .contact { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding: 62px 0 74px; gap: 40px; }
  .hero-visual { min-height: 330px; }
  .orbit-one { width: 330px; height: 180px; }
  .orbit-two { width: 260px; height: 320px; }
  .visual-note { font-size: 10px; }
  .section-intro { grid-template-columns: 1fr; gap: 14px; }
  .product, .values, .contact { padding: 76px 0; }
  .product-grid { grid-template-columns: 1fr; }
  .feature { min-height: 250px; }
  .feature-index { margin-bottom: 58px; }
  .site-footer > div:first-child { display: block; }
  .site-footer > div:first-child span { display: block; margin-top: 9px; }
  .footer-links { margin-bottom: 18px; }
}