/**
 * IntelliS Global Design System v1.0
 * Generated: 2026-05-30
 */

:root {
  --color-navy: #1e3a5f;
  --color-navy-light: #2c5282;
  --color-gold: #d4a94c;
  --color-bg-gray: #f5f5f5;
  --color-white: #ffffff;
  --color-text-primary: #4a5568;
  --color-text-secondary: #718096;
  --color-text-light: #a0c4e8;
  --color-border: #e8e8e8;
  --color-bg-light: #f7fafc;
  --color-bg-alt: #fafbfc;
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --text-h1: 28px;
  --text-h2: 22px;
  --text-h3: 20px;
  --text-body: 15px;
  --text-small: 13px;
  --text-tag: 11px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-gray);
  color: var(--color-text-primary);
  line-height: 1.6;
}

.container { max-width: 800px; margin: 0 auto; background-color: var(--color-white); }

.page-header {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  padding: 40px 30px;
  text-align: center;
}

.page-header h1 {
  color: var(--color-white);
  font-size: var(--text-h1);
  font-weight: bold;
  margin: 0 0 10px 0;
  letter-spacing: 2px;
}

.page-header .subtitle {
  color: var(--color-text-light);
  font-size: var(--text-small);
  font-style: italic;
  margin: 0;
}

.btn-primary {
  display: inline-block;
  padding: 10px 30px;
  background-color: var(--color-gold);
  color: var(--color-navy);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: bold;
  font-size: var(--text-small);
}

.article-card {
  padding: 30px;
  border-bottom: 1px solid var(--color-border);
  background-color: var(--color-white);
}

.article-card:nth-child(even) { background-color: var(--color-bg-alt); }

.tag {
  display: inline-block;
  padding: 4px 12px;
  font-size: var(--text-tag);
  font-weight: bold;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 15px;
}

.tag-gold { background-color: var(--color-gold); color: var(--color-navy); }
.tag-blue { background-color: var(--color-navy-light); color: var(--color-white); }
.tag-navy { background-color: var(--color-navy); color: var(--color-white); }

.featured-podcast {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  border-radius: var(--radius-lg);
  padding: 25px;
  margin-bottom: 20px;
}

.highlight-box {
  background-color: var(--color-bg-light);
  border-left: 4px solid var(--color-gold);
  padding: 15px 20px;
  margin-bottom: 15px;
}

.img-article {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.page-footer {
  background-color: var(--color-navy);
  padding: 30px;
  text-align: center;
}

.page-footer p {
  color: var(--color-text-light);
  font-size: var(--text-small);
  margin: 0;
}

@media (max-width: 600px) {
  :root { --text-h1: 24px; --text-h2: 20px; --space-lg: 20px; }
}