:root {
  --bg: #f5f5f1;
  --surface: rgba(255,255,255,.74);
  --ink: #111310;
  --muted: #666a64;
  --line: rgba(17,19,16,.12);
  --accent: #b9ff5b;
  --accent-ink: #111310;
  --dark: #111310;
  --max: 1180px;
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 84% 4%, rgba(185,255,91,.18), transparent 24rem),
    radial-gradient(circle at 12% 28%, rgba(17,19,16,.045), transparent 28rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(17,19,16,.08);
  background: rgba(245,245,241,.78);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-weight: 760;
  letter-spacing: -.025em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--dark);
  color: var(--accent);
  font-size: 15px;
  letter-spacing: -.04em;
}

.brand-text { display: grid; line-height: 1.05; }
.brand-text strong { font-size: 15px; }
.brand-text span { margin-top: 4px; color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .04em; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a {
  padding: 9px 11px;
  border-radius: 999px;
  font-size: 13px;
  color: #4e524c;
}
.nav-links a:hover { background: rgba(17,19,16,.06); color: var(--ink); }

.lang {
  margin-left: 4px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(255,255,255,.45);
}

.hero { padding: 112px 0 92px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 54px;
  align-items: end;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 760;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(185,255,91,.16);
}

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 26px;
  max-width: 850px;
  font-size: clamp(46px, 7vw, 88px);
  line-height: .98;
  letter-spacing: -.065em;
  font-weight: 790;
}
.hero-copy {
  max-width: 720px;
  color: #494d47;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.7;
}
.hero-side {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 24px 70px rgba(17,19,16,.06);
}
.hero-side .kicker { color: var(--muted); font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .09em; }
.hero-side .value { margin: 11px 0 3px; font-size: 25px; font-weight: 760; letter-spacing: -.03em; }
.hero-side .small { color: var(--muted); font-size: 13px; }

.section { padding: 86px 0; }
.section.alt {
  background: rgba(255,255,255,.46);
  border-top: 1px solid rgba(17,19,16,.06);
  border-bottom: 1px solid rgba(17,19,16,.06);
}
.section-head {
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: end;
  margin-bottom: 34px;
}
.section-head h2 {
  margin-bottom: 0;
  font-size: clamp(31px, 4.4vw, 50px);
  line-height: 1.06;
  letter-spacing: -.05em;
}
.section-head p { margin-bottom: 3px; max-width: 540px; color: var(--muted); }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

.card {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,255,255,.66);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 48px rgba(17,19,16,.07);
  border-color: rgba(17,19,16,.18);
}
.card-number { color: var(--muted); font-size: 11px; font-weight: 800; letter-spacing: .08em; }
.card h3 { margin: 20px 0 8px; font-size: 22px; letter-spacing: -.025em; }
.card p { margin-bottom: 0; color: var(--muted); font-size: 15px; }

.band {
  padding: 34px;
  border-radius: 28px;
  background: var(--dark);
  color: #f6f7f2;
}
.band .eyebrow { color: #aeb3aa; }
.band h2 { max-width: 760px; margin-bottom: 14px; font-size: clamp(32px, 4vw, 52px); line-height: 1.06; letter-spacing: -.045em; }
.band p { max-width: 700px; margin-bottom: 0; color: #c6cbc3; }

.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.button {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 45px;
  padding: 0 17px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 760;
}
.button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.button.secondary { background: transparent; color: inherit; border-color: rgba(255,255,255,.18); }
.button:hover { transform: translateY(-1px); }

.meta {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 16px 40px;
  padding: 21px 0;
  border-top: 1px solid var(--line);
}
.meta:last-child { border-bottom: 1px solid var(--line); }
.meta dt { color: var(--muted); font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .06em; }
.meta dd { margin: 0; font-size: 15px; }

.page-hero { padding: 86px 0 44px; }
.page-hero h1 { font-size: clamp(46px, 7vw, 78px); max-width: 780px; margin-bottom: 20px; }
.page-hero p { max-width: 760px; color: var(--muted); font-size: 18px; }

.prose { max-width: 820px; }
.prose h2 { margin: 52px 0 14px; font-size: 28px; letter-spacing: -.035em; }
.prose h3 { margin: 30px 0 10px; font-size: 19px; letter-spacing: -.02em; }
.prose p, .prose li { color: #4e524c; }
.prose ul { padding-left: 1.2rem; }
.prose strong { color: var(--ink); }

.footer {
  margin-top: 42px;
  padding: 44px 0 56px;
  border-top: 1px solid var(--line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  align-items: start;
}
.footer p { margin: 10px 0 0; color: var(--muted); font-size: 13px; max-width: 500px; }
.footer-links { display: flex; gap: 16px; flex-wrap: wrap; justify-content: flex-end; }
.footer-links a { color: var(--muted); font-size: 12px; }
.footer-links a:hover { color: var(--ink); }
.copyright { margin-top: 22px !important; font-size: 12px !important; }

.notice {
  padding: 18px 20px;
  border: 1px solid rgba(17,19,16,.11);
  border-radius: 18px;
  background: rgba(185,255,91,.12);
  color: #4d5546;
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-side { max-width: 600px; }
  .grid-3 { grid-template-columns: 1fr; }
  .section-head { display: block; }
  .section-head p { margin-top: 14px; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 26px), var(--max)); }
  .site-header { position: static; }
  .nav { min-height: auto; padding: 14px 0; align-items: flex-start; }
  .nav-links { gap: 0; }
  .nav-links a { padding: 7px 8px; font-size: 12px; }
  .brand-text span { display: none; }
  .hero { padding: 72px 0 60px; }
  .section { padding: 64px 0; }
  .card, .hero-side, .band { padding: 22px; }
  .meta { grid-template-columns: 1fr; gap: 5px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
}