body { font-family: ‘Segoe UI’, Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; margin: 40px; background: #f8f9fa; color: #333; }
.container { max-width: 800px; margin: 0 auto; background: white; padding: 30px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
h1 { color: #2c3e50; font-size: 2.4em; margin-bottom: 20px; text-align: center; }
h2 { color: #3498db; font-size: 1.8em; margin-top: 30px; }
p { margin-bottom: 20px; font-size: 1.1em; }
.highlight { background: #e8f4fc; padding: 15px; border-left: 4px solid #3498db; border-radius: 6px; margin: 20px 0; }
a { color: #e74c3c; text-decoration: none; font-weight: 600; }
a:hover { text-decoration: underline; }
.tip { background: #fff3cd; padding: 12px; border-radius: 6px; border-left: 4px solid #ffc107; margin: 15px 0; }
.emoji { font-size: 1.2em; margin-right: 5px; }