/* GEOAI 首页通用样式 */

body {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  background-color: #f8fbff;
  color: #222;
  margin: 0;
  padding: 0;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #003366, #0073e6);
  color: #fff;
  text-align: center;
  padding: 120px 20px;
}
.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}
.hero .btn-primary {
  background: #00aaff;
  color: #fff;
  padding: 12px 24px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
}
.hero .btn-primary:hover {
  background: #0088cc;
}

/* Section General */
section {
  padding: 80px 20px;
}
section h2 {
  text-align: center;
  margin-bottom: 40px;
  font-size: 2rem;
  color: #003366;
}

/* Features & Services Grid */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}
.card {
  background: #fff;
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transition: transform 0.3s;
}
.card:hover {
  transform: translateY(-5px);
}
.card h3 {
  color: #0073e6;
  margin-bottom: 12px;
}

/* Workflow */
.workflow ol {
  max-width: 800px;
  margin: auto;
  font-size: 1.1rem;
  line-height: 1.8;
}
.workflow li {
  margin-bottom: 10px;
}

/* FAQ */
.faq details {
  margin-bottom: 20px;
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.faq summary {
  font-weight: bold;
  cursor: pointer;
}

/* CTA */
.cta {
  text-align: center;
  background: #003366;
  color: #fff;
  padding: 80px 20px;
}
.cta a {
  background: #00aaff;
  color: #fff;
  padding: 14px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}
.cta a:hover {
  background: #0088cc;
}

.geoai-header {
  background: #fff;
  border-bottom: 1px solid #eee;
  padding: 12px 20px;
}
.geoai-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: auto;
}
.geoai-header .logo img {
  height: 40px;
}
.geoai-header .main-nav .nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 20px;
}
.geoai-header .main-nav .nav-list a {
  text-decoration: none;
  color: #003366;
  font-weight: 600;
  transition: color 0.3s;
}
.geoai-header .main-nav .nav-list a:hover {
  color: #0073e6;
}
.geoai-header .btn-primary {
  background: #0073e6;
  color: #fff;
  padding: 10px 18px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}
.geoai-header .btn-primary:hover {
  background: #005bb5;
}