*{box-sizing:border-box;padding:0;margin:0}body,html{max-width:100vw;overflow-x:hidden}body{color:#333;background:#fff}a{color:inherit;text-decoration:none}.app-card{display:block;padding:24px;border:1px solid #ddd;border-radius:8px;transition:all .3s ease;background-color:#fff;box-shadow:0 2px 4px rgba(0,0,0,.05)}.app-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);border-color:#4caf50;transform:translateY(-2px)}