:root {
  color-scheme: light;
  --bg: #eef6f2;
  --bg-strong: #e2f0e8;
  --card: rgba(255, 255, 255, 0.92);
  --text: #162118;
  --muted: #5f6f64;
  --line: rgba(45, 92, 62, 0.12);
  --brand: #3aa64c;
  --brand-deep: #1f7f33;
  --shadow: 0 24px 70px rgba(33, 67, 46, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(132, 216, 149, 0.28), transparent 28%),
    radial-gradient(circle at top right, rgba(108, 184, 255, 0.18), transparent 26%),
    linear-gradient(180deg, #f6fbf8 0%, var(--bg) 100%);
}

a {
  color: inherit;
}

.site-shell {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 460px;
  gap: 28px;
  align-items: center;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(242, 249, 244, 0.96));
  box-shadow: var(--shadow);
}

.brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

.brand-chip__logo {
  width: 76px;
  height: 76px;
  border-radius: 22px;
  object-fit: cover;
  box-shadow: 0 12px 30px rgba(57, 118, 72, 0.16);
}

.brand-chip__eyebrow,
.section-title__eyebrow {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand-deep);
}

.brand-chip h1,
.section-title h2 {
  margin: 0;
}

.brand-chip h1 {
  font-size: clamp(34px, 4.6vw, 56px);
  line-height: 1.06;
}

.hero__lead {
  margin: 0;
  font-size: 18px;
  line-height: 1.9;
  color: #304238;
}

.hero__lead strong {
  color: var(--brand-deep);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: linear-gradient(180deg, #44b757 0%, #329847 100%);
  color: #fff;
  box-shadow: 0 16px 28px rgba(49, 152, 71, 0.24);
}

.button--ghost {
  border: 1px solid rgba(40, 96, 56, 0.14);
  background: rgba(255, 255, 255, 0.86);
  color: #20482b;
}

.hero__meta {
  display: grid;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
}

.hero__banner {
  display: block;
  width: 100%;
  border-radius: 28px;
  object-fit: cover;
  box-shadow: 0 18px 36px rgba(40, 68, 47, 0.16);
}

.content {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.panel {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel--soft {
  background:
    radial-gradient(circle at bottom right, rgba(101, 194, 120, 0.12), transparent 24%),
    rgba(255, 255, 255, 0.92);
}

.section-title {
  margin-bottom: 18px;
}

.section-title h2 {
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1.14;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.feature-card,
.contact-card,
.faq-list details,
.roadmap__item {
  border: 1px solid rgba(40, 96, 56, 0.1);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 24px rgba(36, 70, 44, 0.06);
}

.feature-card {
  padding: 20px;
  border-radius: var(--radius-lg);
}

.feature-card h3,
.roadmap__item h3 {
  margin: 0 0 10px;
  font-size: 20px;
}

.feature-card p,
.roadmap__item p,
.faq-list p,
.contact-card__value,
.footer p {
  margin: 0;
  color: #3e5144;
  line-height: 1.85;
}

.roadmap {
  display: grid;
  gap: 14px;
}

.roadmap__item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
}

.roadmap__step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: linear-gradient(180deg, #eff8f1 0%, #e2f1e6 100%);
  color: var(--brand-deep);
  font-size: 22px;
  font-weight: 800;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 18px 20px;
  border-radius: var(--radius-md);
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 700;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list details p {
  margin-top: 12px;
}

.contact-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  padding: 22px;
  border-radius: var(--radius-lg);
}

.contact-card__label {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.contact-card__value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding: 0 6px;
}

.footer__divider {
  padding: 0 10px;
  color: rgba(60, 89, 68, 0.4);
}

@media (max-width: 960px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero__visual {
    order: -1;
  }

  .feature-grid,
  .contact-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(100% - 20px, 100%);
    padding-top: 12px;
  }

  .hero,
  .panel {
    padding: 20px;
    border-radius: 26px;
  }

  .brand-chip__logo {
    width: 60px;
    height: 60px;
    border-radius: 18px;
  }

  .hero__lead {
    font-size: 16px;
  }

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

  .roadmap__step {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    font-size: 18px;
  }

  .button {
    width: 100%;
  }
}