.header{background-color:#f8f8f8;padding:1.5rem 5rem;width:100%;box-shadow:0 4px 4px #0000001a;position:relative;z-index:10}.nav{display:flex;justify-content:space-between;width:100%}.nav-link{color:#555;text-decoration:none;font-size:1.1rem;font-weight:500;transition:color .2s}.nav-link:hover{color:#333}.nav-link:active{color:#222}.support-page{min-height:100vh;background:#d3d3d3;padding:20px}.support-container{max-width:800px;margin:0 auto;background:#fff;border-radius:20px;box-shadow:0 20px 60px #0000004d;overflow:hidden}.support-header{background:linear-gradient(135deg,#87ceeb,#4a90e2);color:#fff;padding:40px 30px;text-align:center}.support-header h1{font-size:2.5em;margin-bottom:10px}.support-header p{font-size:1.2em;opacity:.9}.support-content{padding:40px 30px}.support-content section{margin-bottom:40px}.support-content h2{color:#667eea;font-size:1.8em;margin-bottom:20px;padding-bottom:10px;border-bottom:2px solid #f0f0f0}.support-content h3{color:#764ba2;font-size:1.3em;margin-top:20px;margin-bottom:10px}.support-content p{margin-bottom:15px;color:#555}.support-content ul{margin-left:20px;margin-bottom:15px}.support-content li{margin-bottom:8px;color:#555}.support-content ol{margin-left:20px;margin-bottom:15px}.support-content ol li{margin-bottom:8px;color:#555}.faq-item{background:#f8f9fa;padding:20px;border-radius:10px;margin-bottom:15px;border-left:4px solid #667eea}.faq-question{font-weight:700;color:#333;margin-bottom:8px}.faq-answer{color:#666}.contact-box{background:linear-gradient(135deg,#87ceeb,#4a90e2);color:#fff;padding:30px;border-radius:10px;text-align:center}.contact-box a{color:#fff;text-decoration:underline;font-weight:700}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:20px}.feature-card{background:#f8f9fa;padding:20px;border-radius:10px;text-align:center;border:2px solid #e9ecef}.feature-icon{font-size:2em;margin-bottom:10px}.support-footer{text-align:center;padding:20px;background:#f8f9fa;color:#666;font-size:.9em}@media (max-width: 600px){.support-header h1{font-size:2em}.support-content{padding:30px 20px}.feature-grid{grid-template-columns:1fr}}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding:2rem}.main-content.default-background,.main-content.home-background{background-color:#f5f5f5}.main-content.about-background{background-color:#f0f0f0}.page{max-width:800px;margin:0 auto}.page h1{margin-bottom:1rem;color:#333}.page p{line-height:1.6;color:#555;font-size:1.1rem;margin-bottom:1rem}.page a{transition:opacity .2s}.page a:hover{opacity:.7;text-decoration:underline}