:root {
  --bg: #f9f9f9;
  --fg: #1a1a1a;
  --accent: #0066ff;
  --card-bg: #fff;
}

body {
  margin: 0; padding: 0;
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
}

.inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header {
  background: var(--card-bg);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  position: relative;
  z-index: 100;
}
.site-header .inner {
  display: flex;
  align-items: center;
  padding: 1rem 0;
  position: relative;
}
.site-header .page-title {
  flex: 1;
  text-align: center;
  font-weight: bold;
  font-size: 1.2rem;
}
.content-wrapper {
  background: var(--card-bg);
  margin: 2rem auto;
  padding: 2rem;
  max-width: 1200px;
  box-shadow: 0 0 15px rgba(0,0,0,0.05);
  border-radius: 8px;
}

.content-wrapper img {
  display: block;
  margin: 1rem auto;
  max-width: 100%;
  height: auto;
}

.content-wrapper h1,
.content-wrapper h2,
.content-wrapper h3,
.content-wrapper h4 {
  text-align: center;
  margin: 2rem 0 1rem;
}

.content-wrapper p,
.content-wrapper li {
  margin: 1rem 0;
  line-height: 1.6;
}

.content-wrapper blockquote {
  margin: 1rem 2rem;
  padding: 0.5rem 1rem;
  border-left: 4px solid #ccc;
  background: #f0f0f0;
}

.site-footer {
  background: var(--card-bg);
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
  box-shadow: 0 -2px 8px rgba(0,0,0,0.05);
}