:root {
  color-scheme: light;
  --ink: #18202f;
  --muted: #5f6978;
  --line: #dfe5ee;
  --soft: #f5f8fb;
  --brand: #1f7a62;
  --brand-dark: #135844;
  --accent: #d88a35;
  --paper: #ffffff;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 15px;
}

nav a:hover {
  color: var(--brand);
}

.hero {
  min-height: 620px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.65fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(56px, 8vw, 104px) clamp(20px, 5vw, 72px);
  background:
    linear-gradient(120deg, rgba(17, 88, 68, 0.92), rgba(19, 32, 47, 0.88)),
    url("https://images.unsplash.com/photo-1497366754035-f200968a6e72?auto=format&fit=crop&w=1800&q=82") center / cover;
  color: #ffffff;
}

.eyebrow,
.section-kicker {
  margin: 0 0 10px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0;
}

.hero .eyebrow {
  color: #f2b66c;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 20px;
  font-size: clamp(38px, 7vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.lead {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.primary,
.secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 6px;
  font-weight: 700;
}

.primary {
  background: var(--accent);
  color: #1b1d22;
}

.secondary {
  border: 1px solid rgba(255, 255, 255, 0.44);
  color: #ffffff;
}

.hero-panel {
  display: grid;
  gap: 12px;
}

.hero-panel div {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(10px);
}

.hero-panel strong,
.hero-panel span {
  display: block;
}

.hero-panel strong {
  margin-bottom: 5px;
  font-size: 20px;
}

.hero-panel span {
  color: rgba(255, 255, 255, 0.78);
}

.section {
  padding: clamp(56px, 8vw, 90px) clamp(20px, 5vw, 72px);
}

.split {
  display: grid;
  grid-template-columns: minmax(220px, 0.4fr) minmax(0, 1fr);
  gap: clamp(24px, 5vw, 70px);
}

.section-body {
  color: var(--muted);
  font-size: 18px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.card p,
.product-row p,
.contact p {
  color: var(--muted);
}

.band {
  background: var(--soft);
}

.product-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.4fr);
  gap: 28px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.product-row ul {
  margin: 0;
  padding-left: 20px;
  color: var(--brand-dark);
  font-weight: 700;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(320px, 0.7fr);
  gap: clamp(24px, 5vw, 70px);
}

.contact-box {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.contact-box p {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 18px;
  margin: 0;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.contact-box p:last-child {
  border-bottom: 0;
}

.contact-box span {
  color: var(--muted);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 24px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .hero,
  .split,
  .product-row,
  .contact {
    grid-template-columns: 1fr;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .brand span {
    white-space: normal;
  }

  .hero {
    min-height: auto;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .contact-box p {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}