:root {
  --bg: #f4f8f6;
  --surface: #ffffff;
  --surface-soft: #f7fbf9;
  --text: #172b24;
  --muted: #587066;
  --line: #d6e5de;
  --brand: #24c68b;
  --brand-deep: #149665;
  --danger: #d94f45;
  --shadow: 0 18px 48px rgba(20, 80, 57, 0.08);
  --radius: 22px;
}

* {
  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 right, rgba(36, 198, 139, 0.12), transparent 32%),
    linear-gradient(180deg, #f8fbfa 0%, var(--bg) 100%);
}

a {
  color: var(--brand-deep);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.hero {
  padding: 56px 0 28px;
}

.hero-card,
.panel,
.nav,
.footer {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(214, 229, 222, 0.85);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-card {
  padding: 38px 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(36, 198, 139, 0.12);
  color: var(--brand-deep);
  font-size: 14px;
  font-weight: 600;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand);
}

h1 {
  margin: 20px 0 14px;
  font-size: clamp(32px, 5vw, 50px);
  line-height: 1.08;
}

.lead {
  margin: 0;
  font-size: 17px;
  line-height: 1.9;
  color: var(--muted);
  max-width: 780px;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  padding: 13px 18px;
  border-radius: 14px;
  font-weight: 700;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease;
}

.button:hover {
  transform: translateY(-1px);
  text-decoration: none;
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-deep) 100%);
  box-shadow: 0 12px 24px rgba(36, 198, 139, 0.24);
}

.button-secondary {
  color: var(--brand-deep);
  background: #edf9f4;
  border: 1px solid #c8eadb;
}

.nav {
  margin-top: 18px;
  padding: 12px 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  align-items: center;
}

.nav strong {
  color: var(--text);
}

.content {
  padding: 18px 0 52px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.panel {
  padding: 28px;
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 24px;
}

.panel h3 {
  margin: 28px 0 10px;
  font-size: 18px;
}

.panel p,
.panel li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.panel ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.panel ol {
  margin: 12px 0 0;
  padding-left: 22px;
}

.panel li + li {
  margin-top: 6px;
}

.meta {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.meta strong {
  color: var(--text);
}

.contact-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.preview-card {
  padding: 18px;
  border-radius: 18px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.preview-card img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 18px 30px rgba(16, 56, 41, 0.12);
}

.preview-card strong {
  display: block;
  margin: 14px 0 6px;
  font-size: 17px;
}

.preview-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

.contact-item {
  padding: 16px 18px;
  border-radius: 16px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.contact-item span {
  display: block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-deep);
}

.contact-item strong {
  display: block;
  margin-top: 6px;
  font-size: 17px;
}

.notice,
.warning {
  padding: 16px 18px;
  border-radius: 16px;
  margin-top: 18px;
}

.notice {
  background: #eefbf5;
  border: 1px solid #c8eadb;
}

.warning {
  background: #fff5f3;
  border: 1px solid #f0d3cf;
}

.footer {
  margin: 24px 0 40px;
  padding: 18px 20px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.footer strong {
  color: var(--text);
}

.jump-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
}

.section + .section {
  margin-top: 24px;
}

.divider {
  width: 100%;
  height: 1px;
  margin: 24px 0;
  background: linear-gradient(90deg, transparent 0%, var(--line) 15%, var(--line) 85%, transparent 100%);
}

@media (max-width: 768px) {
  .hero {
    padding-top: 24px;
  }

  .hero-card,
  .panel,
  .footer {
    padding: 22px 18px;
  }

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

  .nav {
    padding: 14px 16px;
  }

  h1 {
    font-size: 30px;
  }

  .lead,
  .panel p,
  .panel li {
    font-size: 15px;
  }

  .button {
    width: 100%;
  }

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