* {
box-sizing: border-box;
}
body {
font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
line-height: 1.5;
margin: 0;
padding: 0;
color: #222;
background: #fafafa;
}
header {
text-align: center;
padding: 2.5rem 1rem 1.5rem;
background: #111;
color: #fff;
}
header h1 {
margin: 0 0 0.4rem;
font-size: 2.2rem;
font-weight: 600;
letter-spacing: -0.02em;
}
.tagline {
margin: 0;
font-size: 1.1rem;
opacity: 0.85;
}
.split {
display: flex;
max-width: 1100px;
margin: 2rem auto;
gap: 2rem;
padding: 0 1.5rem;
}
.column {
flex: 1;
background: #fff;
border: 1px solid #e5e5e5;
border-radius: 8px;
padding: 1.8rem 1.6rem;
min-height: 320px;
}
.column h2 {
margin: 0 0 0.6rem;
font-size: 1.5rem;
border-bottom: 2px solid #111;
padding-bottom: 0.4rem;
}
.intro {
margin: 0 0 1.2rem;
color: #444;
}
.column ul {
list-style: none;
padding: 0;
margin: 0 0 1.2rem;
}
.column li {
margin-bottom: 1rem;
padding-bottom: 0.8rem;
border-bottom: 1px solid #eee;
}
.column li:last-child {
border-bottom: none;
}
.column a {
color: #0066cc;
text-decoration: none;
}
.column a:hover {
text-decoration: underline;
}
.note {
font-size: 0.9rem;
color: #666;
font-style: italic;
margin: 0;
}
footer {
text-align: center;
padding: 1.5rem;
font-size: 0.9rem;
color: #666;
background: #f0f0f0;
}
@media (max-width: 700px) {
.split {
flex-direction: column;
gap: 1.5rem;
}
.column {
min-height: auto;
}
}