nano /vhs/kangle/www/index.html修改
<!DOCTYPE html>
<html lang="en">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>404 - Page Not Found</title><style>body {margin: 0;padding: 0;display: flex;justify-content: center;align-items: center;height: 100vh;background-color: #f7f9fb;font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;color: #333;}.container {text-align: center;}h1 {font-size: 8rem;margin: 0;font-weight: 200;color: #e0e0e0;line-height: 1;}h2 {font-size: 1.2rem;font-weight: 400;margin: 15px 0 30px;color: #777;letter-spacing: 1px;text-transform: uppercase;}.btn {display: inline-block;padding: 12px 30px;background-color: #4a90e2;color: white;text-decoration: none;border-radius: 4px;transition: all 0.3s ease;font-size: 0.9rem;font-weight: 500;}.btn:hover {background-color: #357abd;box-shadow: 0 4px 12px rgba(74, 144, 226, 0.3);}.divider {width: 40px;height: 2px;background-color: #4a90e2;margin: 0 auto;}</style>
</head>
<body><div class="container"><h1>404</h1><div class="divider"></div><h2>Page Not Found</h2><p style="color: #999; margin-bottom: 30px;">The link you followed may be broken, <br>or the page may have been removed.</p><a href="/" class="btn">BACK TO HOME</a></div>
</body>
</html>