body {
font-family: ‘Segoe UI’, Tahoma, Geneva, Verdana, sans-serif;
line-height: 1.6;
color: #333;
max-width: 800px;
margin: 0 auto;
padding: 20px;
background-color: #f8f9fa;
}
.header {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
padding: 30px;
border-radius: 10px;
margin-bottom: 30px;
text-align: center;
}
h1 {
font-size: 2.5em;
margin-bottom: 10px;
text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}
.subtitle {
font-size: 1.2em;
opacity: 0.9;
}
.section {
background: white;
padding: 25px;
margin: 20px 0;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}
h2 {
color: #4a5568;
border-bottom: 2px solid #e2e8f0;
padding-bottom: 10px;
margin-top: 0;
}
.highlight {
background: #fff3cd;
border-left: 4px solid #ffc107;
padding: 15px;
margin: 15px 0;
border-radius: 4px;
}
.keyword-box {
background: #e8f4fd;
border: 1px solid #bee5eb;
border-radius: 8px;
padding: 20px;
margin: 20px 0;
}
.keyword-link {
color: #2b6cb0;
text-decoration: none;
font-weight: bold;
transition: color 0.3s;
}
.keyword-link:hover {
color: #1a365d;
text-decoration: underline;
}
.tip {
background: #d1ecf1;
border-left: 4px solid #17a2b8;
padding: 15px;
margin: 15px 0;
border-radius: 4px;
}
.code {
background: #2d3748;
color: #e2e8f0;
padding: 15px;
border-radius: 6px;
font-family: ‘Courier New’, monospace;
margin: 15px 0;
}
.step {
background: #f7fafc;
border-left: 4px solid #4299e1;
padding: 15px;
margin: 10px 0;
border-radius: 4px;
}