:root {
  --bg-color: #0f172a;
  --panel-bg: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --border: #334155;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
}

.page {
  max-width: 720px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.site-header {
  text-align: center;
  margin-bottom: 32px;
}

.site-logo {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 12px;
}

.site-header h1 {
  font-size: 28px;
  font-weight: 700;
  margin: 0 0 4px 0;
}

.tagline {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

.hero-image {
  text-align: center;
  margin-bottom: 32px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--panel-bg);
}

.hero-image img {
  display: block;
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

.content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background-color: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  transition: border-color 0.2s ease;
}

.card:hover {
  border-color: #475569;
}

.card h2 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 12px 0;
  color: var(--text-main);
}

.card p,
.card li {
  font-size: 14px;
  color: var(--text-muted);
  margin: 0 0 8px 0;
}

.card ul,
.card ol {
  margin: 0 0 8px 0;
  padding-left: 20px;
}

.card li {
  margin-bottom: 6px;
}

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

.card a:hover {
  color: var(--primary-hover);
  text-decoration: underline;
}

.card code {
  background: var(--bg-color);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
  color: var(--text-main);
}

.steps-list {
  list-style: none;
  padding-left: 0;
  counter-reset: step;
}

.steps-list li {
  position: relative;
  padding-left: 32px;
  margin-bottom: 12px;
}

.steps-list li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  background: var(--primary);
  color: white;
  font-size: 12px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 22px;
  text-align: center;
}

.site-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 12px;
  color: var(--text-muted);
}