:root {
  --ink: #1a2b22;
  --ink-soft: #4b5d54;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --cream: #f6f0e2;
  --line: #e4e4e0;
  --green: #00b459;
  --green-dark: #00953f;
  --green-soft: #e6f7ee;
  --dark-green: #0e3a21;
  --gold: #e8b84b;
  --radius: 10px;
  --max-width: 880px;
  --shadow: 0 6px 24px rgba(14, 58, 33, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", Roboto, sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--green-dark); }

.wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

/* ---------- top accent bar ---------- */
.top-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--green) 0%, var(--gold) 50%, var(--green) 100%);
}

/* ---------- header ---------- */
header.site-header {
  background: var(--surface);
  box-shadow: 0 1px 0 var(--line), 0 4px 16px rgba(14, 58, 33, 0.04);
  position: sticky;
  top: 0;
  z-index: 10;
}
header.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.brand-mark-img {
  width: 42px; height: 42px;
  object-fit: contain;
  flex-shrink: 0;
}
.brand-name {
  font-weight: 800;
  font-size: 17px;
  line-height: 1.2;
}
.brand-name .zh { font-weight: 600; color: var(--ink-soft); font-size: 13px; }

nav.site-nav {
  display: flex;
  gap: 22px;
  font-size: 14px;
  font-weight: 600;
}
nav.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
}
nav.site-nav a:hover { color: var(--green-dark); }
nav.site-nav a.current { color: var(--green-dark); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 76px 0 68px;
  background: linear-gradient(180deg, #eaf7ee 0%, var(--paper) 100%);
}
.hero-blob-1, .hero-blob-2 {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero-blob-1 {
  width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(0, 180, 89, 0.16) 0%, rgba(0, 180, 89, 0) 70%);
  top: -180px; right: -100px;
}
.hero-blob-2 {
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(232, 184, 75, 0.2) 0%, rgba(232, 184, 75, 0) 70%);
  bottom: -140px; left: -80px;
}
.hero-watermark {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.19;
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }
.hero h1 {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 0 0 6px;
  max-width: 18ch;
}
.hero .zh-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--green-dark);
  margin: 0 0 22px;
}
.hero p {
  font-size: 16px;
  color: var(--ink-soft);
  max-width: 62ch;
  margin: 0 0 12px;
}
.hero .badge-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 26px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(14, 58, 33, 0.07);
}

/* ---------- sections ---------- */
section.block { padding: 60px 0; }
.section-white { background: var(--surface); }
.section-cream { background: var(--cream); }
.section-tint { background: var(--green-soft); }

section.block h2 {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 4px;
}
section.block .zh-sub {
  font-size: 14px;
  font-weight: 600;
  color: var(--green-dark);
  margin: 0 0 20px;
}
section.block p { color: var(--ink-soft); max-width: 70ch; }
section.block p.zh { color: var(--ink); }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 24px;
}
.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 22px;
  box-shadow: var(--shadow);
}
.step .icon-circle {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--green-soft);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 14px;
}
.step .icon-circle svg { width: 24px; height: 24px; }
.step h3 { font-size: 15.5px; margin: 0 0 5px; }
.step p { font-size: 13.5px; margin: 0; }

.sms-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 5px solid var(--green);
  border-radius: 14px;
  padding: 24px 26px;
  margin-top: 8px;
  box-shadow: var(--shadow);
}
.sms-card p { margin: 0 0 12px; font-size: 14.5px; }
.sms-card p:last-child { margin-bottom: 0; }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 22px;
}
.contact-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.contact-card .icon-circle {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--green-soft);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.contact-card .icon-circle svg { width: 19px; height: 19px; }
.contact-card .k {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-soft);
  margin-bottom: 6px;
  font-weight: 700;
}
.contact-card .v {
  font-size: 15.5px;
  font-weight: 700;
}
.contact-card .v a { color: var(--ink); text-decoration: none; }
.contact-card .v a:hover { color: var(--green-dark); }

/* ---------- footer ---------- */
footer.site-footer {
  background: var(--dark-green);
  color: rgba(255, 255, 255, 0.68);
  padding: 44px 0 28px;
}
footer.site-footer .footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 24px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 34px; height: 34px; }
.footer-brand .name { color: #fff; font-weight: 800; font-size: 15px; }
.footer-brand .name .zh { color: rgba(255, 255, 255, 0.6); font-weight: 600; font-size: 12px; }
footer.site-footer nav { display: flex; gap: 20px; font-size: 13.5px; font-weight: 600; }
footer.site-footer a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
footer.site-footer a:hover { color: #fff; }
footer.site-footer .bottom-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- legal pages ---------- */
.legal-page { padding: 48px 0 80px; }
.legal-page h1 { font-size: 28px; font-weight: 800; margin: 0 0 4px; }
.legal-page .updated { font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; }
.legal-page .lang-note {
  background: var(--green-soft);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: 8px;
  margin: 20px 0 32px;
}
.legal-page h2 { font-size: 18px; font-weight: 800; margin: 34px 0 10px; }
.legal-page h2.zh { color: var(--green-dark); font-size: 16px; margin-top: 6px; }
.legal-page p, .legal-page li { color: var(--ink-soft); font-size: 15px; }
.legal-page p.zh, .legal-page li.zh { color: var(--ink); }
.legal-page ul { padding-left: 20px; }
.legal-page section { margin-bottom: 8px; }
.legal-page .divider { border: none; border-top: 1px solid var(--line); margin: 40px 0; }

@media (max-width: 640px) {
  .hero h1 { font-size: 28px; max-width: none; }
  .hero .zh-title { font-size: 16px; }
  .hero-watermark { display: none; }
  .steps { grid-template-columns: 1fr; }
  nav.site-nav { gap: 14px; font-size: 13px; }
  .brand-name { font-size: 15px; }
  footer.site-footer .footer-top { flex-direction: column; align-items: flex-start; }
}
