:root {
  --bg: #0a0a0f; --card: #13131a; --accent: #3b82f6;
  --up: #22c55e; --down: #ef4444;
  --text: #f1f5f9; --sub: #94a3b8;
  --border: rgba(255,255,255,0.08); --radius: 14px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: 'Inter', 'Noto Sans KR', sans-serif;
  font-size: 16px; line-height: 1.7;
  max-width: 720px; margin: 0 auto; padding: 20px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 26px; font-weight: 900; margin-bottom: 8px; line-height: 1.3; }
h2 { font-size: 18px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
p { margin-bottom: 12px; }
.sub { color: var(--sub); font-size: 14px; }
.nav { margin-bottom: 20px; font-size: 14px; }
.article-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; margin-bottom: 16px;
  display: block; color: var(--text);
  transition: border-color .2s;
}
.article-card:hover { border-color: var(--accent); text-decoration: none; }
.article-card h2 { color: var(--text); }
.up { color: var(--up); font-weight: 700; }
.down { color: var(--down); font-weight: 700; }
.summary { font-size: 17px; font-weight: 600; margin-bottom: 20px; line-height: 1.6; color: var(--text); }
.body-text p { color: var(--sub); margin-bottom: 14px; }
.chart-link {
  display: inline-block; margin: 16px 0;
  background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.25);
  border-radius: 8px; padding: 10px 18px; font-size: 15px; font-weight: 600;
}
.product-box {
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: 8px; padding: 16px; margin: 20px 0;
}
.product-box strong { display: block; margin-bottom: 8px; }
.product-box a { display: block; margin: 4px 0; font-size: 15px; }
.disclosure { color: var(--sub); font-size: 12px; margin-top: 10px; line-height: 1.6; }
.disclaimer {
  color: var(--sub); font-size: 13px;
  border-top: 1px solid var(--border);
  padding-top: 16px; margin-top: 24px; line-height: 1.7;
}
.ai-notice { color: #64748b; font-size: 12px; margin-top: 6px; }
header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px; margin-bottom: 24px;
}
header h1 { font-size: 22px; }
.meta-bar { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-bottom: 16px; }
@media (max-width: 480px) {
  body { padding: 14px; }
  h1 { font-size: 22px; }
}