:root {
  --primary: #005a9c;
  --primary-light: #007acc;
  --text-dark: #1e293b;
  --text-gray: #64748b;
  --bg-page: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
  --radius-md: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --spacing-lg: 40px;
  --spacing-md: 24px;
  --spacing-sm: 16px;
}

body {
  color:#333;
  line-height: 1.6;
  font:13px Courier, Geneva, sans-serif,serif;
  background:url(../images/bg_body.jpg) repeat-x;
  max-width: 960px;
  margin: 0 auto;
  scroll-behavior: smooth;
}

a {
  text-decoration: none;
  color: var(--primary);
  transition: var(--transition);
}

a:hover {
  color: var(--primary-light);
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  text-align: center;
  padding: var(--spacing-lg) 0 var(--spacing-md);
}

h1 {
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.025em;
  margin-bottom: 12px;
}

.subtitle {
  font-size: 1.2rem;
  color: var(--text-gray);
  max-width: 700px;
  margin: 0 auto;
  opacity: 0.9;
}

.knowledge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.knowledge-card {
  background: var(--card-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.knowledge-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card-body {
  padding: var(--spacing-sm);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.card-desc {
  color: var(--text-gray);
  font-size: 0.95rem;
  line-height: 1.6;
  flex-grow: 1;
}

.card-footer {
  padding: 0 var(--spacing-sm) var(--spacing-sm);
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.read-more {
  color: var(--primary-light);
  font-weight: 500;
  text-decoration: none;
  font-size: 0.95rem;
}

.read-more:hover {
  text-decoration: underline;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 3rem;
}

.self-service {
  margin: 4rem 0;
}

.resources-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  padding: 0 1rem;
}

.resource-card {
  background: var(--bg-white);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.resource-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.icon {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.resource-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.resource-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  .subtitle { font-size: 1.1rem; }
  .resources-grid,
  .knowledge-grid { 
    grid-template-columns: 1fr; 
    gap: var(--spacing-sm); 
  }
}