:root {
  color-scheme: light;
  --bg: #f7f8f4;
  --surface: #ffffff;
  --ink: #1d2723;
  --muted: #65716b;
  --line: #dfe5dd;
  --green: #2f6b4f;
  --green-dark: #214b38;
  --amber: #c98734;
  --blue: #416c8c;
  --shadow: 0 18px 50px rgba(30, 45, 37, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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;
  min-height: 72px;
  padding: 0 6vw;
  background: rgba(247, 248, 244, 0.92);
  border-bottom: 1px solid rgba(223, 229, 221, 0.8);
  backdrop-filter: blur(14px);
}

.brand,
.nav,
.hero-actions {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 700;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-size: 16px;
}

.nav {
  gap: 22px;
  color: var(--muted);
  font-size: 15px;
}

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

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  gap: clamp(32px, 6vw, 86px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(56px, 8vw, 104px) 6vw 64px;
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  max-width: 760px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(28px, 3.2vw, 44px);
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.hero-text {
  max-width: 650px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--green);
  border-radius: 8px;
  font-weight: 700;
}

.button.primary {
  background: var(--green);
  color: #fff;
}

.button.secondary {
  background: transparent;
  color: var(--green-dark);
}

.hero-visual {
  min-height: 420px;
  padding: 18px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(47, 107, 79, 0.15), rgba(65, 108, 140, 0.16)),
    #eef3ed;
}

.visual-panel {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 16px;
  height: 100%;
  min-height: 384px;
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.92)),
    repeating-linear-gradient(90deg, transparent 0 34px, rgba(47, 107, 79, 0.08) 34px 35px);
  box-shadow: var(--shadow);
}

.flow-row {
  display: grid;
  grid-template-columns: 1fr 44px 1fr;
  gap: 12px;
  align-items: center;
}

.flow-row span,
.visual-note {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.flow-row span {
  display: grid;
  min-height: 58px;
  place-items: center;
  padding: 0 12px;
  color: var(--green-dark);
  font-weight: 700;
}

.flow-row i {
  height: 2px;
  background: var(--amber);
}

.visual-note {
  margin-top: 10px;
  padding: 18px;
}

.visual-note p {
  margin: 6px 0 0;
  color: var(--muted);
}

.section {
  padding: 84px 6vw;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p,
.body-copy,
.contact p {
  color: var(--muted);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.service-card {
  min-height: 210px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.service-card p,
.steps p {
  margin-bottom: 0;
  color: var(--muted);
}

.split {
  display: grid;
  grid-template-columns: minmax(220px, 0.44fr) minmax(0, 0.9fr);
  gap: 48px;
  background: #ffffff;
}

.body-copy {
  max-width: 780px;
  font-size: 18px;
}

.process {
  background: #eef3ed;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps li {
  min-height: 190px;
  padding: 24px;
  border: 1px solid rgba(47, 107, 79, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
}

.steps span {
  display: block;
  margin-bottom: 18px;
  color: var(--blue);
  font-weight: 800;
}

.steps strong {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.7fr);
  gap: 40px;
  align-items: start;
  background: var(--green-dark);
  color: #fff;
}

.contact .eyebrow,
.contact p {
  color: rgba(255, 255, 255, 0.78);
}

.contact h2 {
  color: #fff;
}

.contact-panel {
  display: grid;
  gap: 16px;
}

.contact-box {
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-style: normal;
}

.contact-box p {
  margin-bottom: 10px;
  color: #fff;
}

.contact-form {
  display: grid;
  gap: 14px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: rgba(255, 255, 255, 0.88);
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  font: inherit;
}

.contact-form input {
  min-height: 46px;
  padding: 0 14px;
}

.contact-form textarea {
  min-height: 112px;
  padding: 12px 14px;
  resize: vertical;
}

.form-button {
  width: 100%;
  margin-top: 4px;
  border-color: #ffffff;
  background: #ffffff;
  color: var(--green-dark);
}

.form-status {
  min-height: 22px;
  margin: 0;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 6vw;
  background: #17251e;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
    min-height: auto;
    padding-top: 16px;
    padding-bottom: 16px;
  }

  .nav {
    flex-wrap: wrap;
    gap: 14px;
  }

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

  .hero {
    min-height: auto;
  }

  .service-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 340px;
  }

  .visual-panel {
    min-height: 304px;
  }

  .site-footer {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .hero,
  .section {
    padding-right: 20px;
    padding-left: 20px;
  }

  .site-header,
  .site-footer {
    padding-right: 20px;
    padding-left: 20px;
  }

  h1 {
    font-size: 38px;
  }

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

  .flow-row i {
    width: 2px;
    height: 22px;
    margin: 0 auto;
  }
}