:root {
  --green: #1ca34a;
  --green-dark: #087335;
  --green-soft: #eaf8ee;
  --lime: #91d64b;
  --ink: #16201a;
  --muted: #66756c;
  --line: #dceee2;
  --white: #ffffff;
  --shadow: 0 18px 45px rgba(18, 105, 51, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: linear-gradient(180deg, #fbfffc 0%, #ffffff 48%, #f3fbf5 100%);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(220, 238, 226, 0.9);
}
.header-inner {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.brand img {
  width: 148px;
  height: auto;
}
.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav a {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
  opacity: 0.78;
  transition: 0.2s ease;
  text-align: center;
}
.nav a span {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0.02em;
}
.nav a:hover { opacity: 1; color: var(--green-dark); }

.section { padding: 86px 0; }
.hero {
  position: relative;
  overflow: hidden;
  min-height: 680px;
  display: flex;
  align-items: center;
}
.hero-bg {
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
  opacity: 0.7;
  pointer-events: none;
}
.hero-bg-a {
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(145, 214, 75, 0.36), transparent 70%);
  right: -100px;
  top: 80px;
}
.hero-bg-b {
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(28, 163, 74, 0.18), transparent 70%);
  left: -120px;
  bottom: 30px;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 68px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  border-radius: 99px;
  background: var(--green);
}
.eyebrow.light { color: #dff7e6; }
.eyebrow.light::before { background: #ffffff; }

h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 24px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.055em;
}
h1 .zh, h2 .zh, h3 .zh {
  display: block;
  font-family: "Noto Sans SC", "Inter", sans-serif;
  letter-spacing: -0.04em;
}
h1 .en, h2 .en, h3 .en {
  display: block;
  margin-top: 12px;
  font-size: 0.58em;
  line-height: 1.18;
  color: var(--green-dark);
  letter-spacing: -0.032em;
  font-weight: 800;
}
.lead {
  max-width: 720px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--muted);
  margin-bottom: 12px;
}
.lead.en {
  font-size: 16px;
  color: #728078;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 999px;
  padding: 0 22px;
  font-weight: 800;
  font-size: 14px;
  transition: 0.22s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: white;
  box-shadow: 0 14px 28px rgba(28, 163, 74, 0.22);
}
.btn-primary:hover { transform: translateY(-2px); }
.btn-secondary {
  background: white;
  color: var(--green-dark);
  border: 1px solid var(--line);
}
.btn-secondary:hover { background: var(--green-soft); }

.hero-panel {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 34px;
  padding: 42px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}
.panel-logo {
  width: 290px;
  margin: 0 auto 28px;
}
.panel-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
  margin: 18px 0 24px;
}
.panel-title {
  text-align: center;
  margin-bottom: 8px;
  font-weight: 800;
  color: var(--ink);
}
.panel-title.en {
  font-size: 14px;
  color: var(--green-dark);
}
.panel-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 24px;
}
.panel-tags span {
  background: var(--green-soft);
  color: var(--green-dark);
  border: 1px solid #d1ead8;
  border-radius: 999px;
  padding: 9px 13px;
  font-size: 12px;
  font-weight: 800;
}

.section-head { margin-bottom: 42px; }
.section-head.centered { text-align: center; max-width: 820px; margin-left: auto; margin-right: auto; }
.section-head.split {
  display: grid;
  grid-template-columns: 1fr 0.86fr;
  gap: 46px;
  align-items: end;
}
h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.045em;
}
h2 .en { font-size: 0.48em; margin-top: 10px; }
.section-head p, .intro {
  color: var(--muted);
  line-height: 1.75;
  font-size: 16px;
  margin-bottom: 8px;
}
.section-head p.en, .intro.en { font-size: 15px; }

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.service-card {
  position: relative;
  min-height: 350px;
  padding: 30px 24px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255,255,255,0.9);
  box-shadow: 0 12px 34px rgba(22, 32, 26, 0.06);
  overflow: hidden;
  transition: 0.24s ease;
}
.service-card::after {
  content: "";
  position: absolute;
  right: -44px;
  top: -44px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(28, 163, 74, 0.08);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.accent-card {
  background: linear-gradient(160deg, #f4fff7 0%, #dff7e8 100%);
  color: var(--ink);
  border-color: #9bdcac;
  box-shadow: 0 16px 40px rgba(28, 163, 74, 0.13);
}
.accent-card::after {
  background: rgba(28, 163, 74, 0.12);
}
.accent-card h3,
.accent-card h3 .zh {
  color: var(--ink);
}
.accent-card h3 .en {
  color: var(--green-dark);
}
.accent-card p {
  color: #4f6258;
}
.accent-card .icon {
  color: #ffffff;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  border-color: rgba(8, 115, 53, 0.2);
  box-shadow: 0 10px 20px rgba(8, 115, 53, 0.18);
}
.icon {
  width: 52px;
  height: 52px;
  border-radius: 18px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  background: #f7fff9;
  color: var(--green-dark);
  font-weight: 900;
  margin-bottom: 28px;
}
.service-card h3 { font-size: 24px; margin-bottom: 18px; line-height: 1.1; }
.service-card h3 .en { font-size: 0.62em; letter-spacing: -0.02em; margin-top: 8px; }
.service-card p {
  color: var(--muted);
  line-height: 1.74;
  font-size: 14px;
  margin-bottom: 10px;
}
.service-card p.en { font-size: 13px; }

.companies-section { background: #ffffff; }
.company-list {
  display: grid;
  gap: 16px;
}
.company-card {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 22px;
  padding: 24px;
  border-radius: 26px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff, #fbfffc);
  box-shadow: 0 10px 26px rgba(22, 32, 26, 0.045);
}
.company-index {
  width: 58px;
  height: 58px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--green), var(--lime));
  color: white;
  font-weight: 900;
  display: grid;
  place-items: center;
  font-size: 22px;
}
.company-card h3 { font-size: 22px; margin-bottom: 4px; }
.company-cn {
  color: var(--green-dark);
  font-weight: 800;
  margin-bottom: 14px;
}
.company-card p { line-height: 1.75; color: var(--muted); margin-bottom: 6px; }
.company-card p.en { font-size: 14px; color: #758279; }

.capabilities-section {
  background: linear-gradient(135deg, #edf9f1, #ffffff 60%);
}
.capability-grid {
  display: grid;
  grid-template-columns: 1fr 0.88fr;
  gap: 56px;
  align-items: center;
}
.capability-copy p { color: var(--muted); line-height: 1.8; margin-bottom: 10px; }
.capability-copy p.en { font-size: 15px; }
.capability-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.mini-card {
  min-height: 150px;
  border-radius: 28px;
  padding: 26px;
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: 0 10px 26px rgba(22, 32, 26, 0.05);
}
.mini-card strong {
  display: block;
  font-size: 22px;
  line-height: 1.2;
  color: var(--green-dark);
}
.mini-card span {
  display: block;
  margin-top: 16px;
  font-weight: 800;
  color: var(--ink);
}

.application-section { background: #ffffff; }
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}
.tag-cloud span {
  border-radius: 999px;
  padding: 12px 17px;
  background: var(--green-soft);
  border: 1px solid #d6ecdc;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 800;
}

.contact-section { padding-top: 40px; }
.contact-card {
  display: grid;
  grid-template-columns: 1fr 0.72fr;
  gap: 38px;
  align-items: center;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: white;
  border-radius: 34px;
  padding: 44px;
  box-shadow: var(--shadow);
}
.contact-card h2 .en { color: #eaffee; }
.contact-card p { color: rgba(255,255,255,0.88); line-height: 1.75; }
.contact-info {
  background: rgba(255,255,255,0.14);
  border: 1px solid rgba(255,255,255,0.22);
  border-radius: 26px;
  padding: 26px;
}
.contact-info p { margin-bottom: 18px; }
.contact-info a {
  display: inline-flex;
  width: 100%;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  border-radius: 999px;
  background: white;
  color: var(--green-dark);
  font-weight: 900;
}

.site-footer {
  background: #07150d;
  color: rgba(255,255,255,0.72);
  padding: 26px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  font-size: 13px;
}

@media (max-width: 960px) {
  .nav { display: none; }
  .hero { min-height: auto; }
  .hero-grid, .section-head.split, .capability-grid, .contact-card { grid-template-columns: 1fr; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .panel-logo { width: 230px; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, 1160px); }
  .section { padding: 64px 0; }
  .header-inner { min-height: 74px; }
  .brand img { width: 128px; }
  h1 { font-size: 38px; }
  h1 .en { font-size: 0.54em; }
  h2 .en { font-size: 0.52em; }
  .hero-grid { gap: 36px; }
  .hero-panel, .contact-card { padding: 28px; border-radius: 26px; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: auto; }
  .company-card { grid-template-columns: 1fr; }
  .capability-cards { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; }
}