:root {
  --bg: #f5f7fb;
  --ink: #0f172a;
  --muted: #475569;
  --brand: #0ea5a6;
  --brand-2: #f59e0b;
  --card: #ffffff;
  --line: #e2e8f0;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: "Source Han Sans", "Noto Sans SC", "PingFang SC", "Microsoft Yahei", sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  width: min(1120px, 92vw);
  margin: 0 auto;
}

header.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.brand img {
  width: 120px;
  height: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  font-weight: 600;
}

.nav-links a {
  padding: 8px 10px;
  border-radius: 999px;
}

.nav-links a.active,
.nav-links a:hover {
  background: rgba(14, 165, 166, 0.12);
  color: #0b6b6c;
}

.hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(14,165,166,0.15), rgba(245,158,11,0.12));
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 48px);
  margin: 0 0 12px;
}

.hero p {
  color: var(--muted);
  line-height: 1.7;
  margin: 0 0 24px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn.primary {
  background: var(--brand);
  color: white;
  box-shadow: var(--shadow);
}

.btn.ghost {
  border-color: var(--brand);
  color: var(--brand);
}

.hero-card {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.hero-card img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.section {
  padding: 60px 0;
}

.section h2 {
  font-size: clamp(24px, 3vw, 34px);
  margin: 0 0 12px;
}

.section p.lead {
  color: var(--muted);
  margin: 0 0 28px;
  line-height: 1.7;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  border-radius: 20px;
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid #eef2f7;
}

.card-body {
  padding: 20px;
}

.card h3 {
  margin: 0 0 8px;
  font-size: 20px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  align-items: center;
}

.highlight {
  background: #0f172a;
  color: white;
  border-radius: 26px;
  padding: 40px;
  display: grid;
  gap: 14px;
  background-image: linear-gradient(120deg, rgba(14,165,166,0.25), rgba(245,158,11,0.25));
}

.highlight p {
  color: rgba(255,255,255,0.8);
}

.news-list {
  display: grid;
  gap: 16px;
}

.news-item {
  padding: 18px 20px;
  background: var(--card);
  border-radius: 16px;
  border: 1px solid var(--line);
  display: grid;
  gap: 6px;
}

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.badge {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(14,165,166,0.12);
  color: #0b6b6c;
  font-weight: 600;
  font-size: 12px;
}

.page-hero {
  padding: 60px 0 40px;
  background: linear-gradient(120deg, rgba(14,165,166,0.08), rgba(245,158,11,0.08));
}

.page-hero h1 { margin: 0 0 8px; }

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

.form input, .form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  font-size: 14px;
}

.form textarea { min-height: 140px; }

@media (max-width: 980px) {
  .hero-grid, .split { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}

.muted { color: var(--muted); }

.icp {
  font-size: 12px;
  text-align: center;
  margin-top: 12px;
  color: var(--muted);
}
.icp a { color: inherit; }